WO2025233806A1 - Positioning measurement configuration - Google Patents
Positioning measurement configurationInfo
- Publication number
- WO2025233806A1 WO2025233806A1 PCT/IB2025/054689 IB2025054689W WO2025233806A1 WO 2025233806 A1 WO2025233806 A1 WO 2025233806A1 IB 2025054689 W IB2025054689 W IB 2025054689W WO 2025233806 A1 WO2025233806 A1 WO 2025233806A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- positioning
- time window
- positioning measurements
- measurements
- network node
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/0205—Details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
Definitions
- the present disclosure generally relates to communication networks, and more specifically to positioning measurement configuration for a specific time window.
- LTE Long Term Evolution
- 3GPP Third Generation Partnership Project
- FIG. 1 is a block diagram illustrating the NR positioning architecture.
- the interactions between the gNodeB and the user equipment (UE) is supported via the Radio Resource Control (RRC) protocol, while the location node interfaces with the UE via the LTE positioning protocol (LPP).
- LPP is a common protocol to both NR and LTE.
- the location management function (LMF) is the location node in NR.
- NRPPa NR positioning protocol
- NR positioning benefits from larger bandwidth and finer beamforming, can localize a UE with higher accuracy, and supports the following positioning methods: (a) downlink time difference of arrival (DL-TDoA); (b) uplink relative time of arrival (UL-RToA); (c) downlink angle of departure (DL-AoD); (d) uplink angle of arrival (UL-AoA), including Azimuth of arrival and Zenith of arrival; (e) multi-round trip time (RTT) positioning; and (f) NR enhanced cell ID.
- DL-TDoA downlink time difference of arrival
- UL-RToA uplink relative time of arrival
- DL-AoD downlink angle of departure
- UL-AoA uplink angle of arrival
- RTT multi-round trip time
- NR includes timing related positioning measurements.
- a timing measurement used for UE positioning can be unidirectional or bidirectional.
- a unidirectional timing measurement is used by a first node (Nodel) for measuring transmit timing of a signal transmitted by Nodel or for measuring reception timing of a signal received by Nodel from a second node (Node2).
- a bidirectional timing measurement is used by Nodel for measuring relation between the transmit timing of s signal transmitted by Nodel and the reception timing of a signal received at Nodel from Node2.
- An example of the relation is the difference between the transmission and the reception timings.
- Nodel may measure the absolute reception timing of the signal and/or it may measure reception timing of the signal with respect to a reference time.
- Nodel may measure the absolute transmit timing of the signal and/or it may measure transmit timing of the signal with respect to a reference time.
- NR specifies several timing measurements for positioning.
- An example of a bidirectional timing measurement is round trip time (RTT).
- RTT round trip time
- Specific examples of bidirectional timing measurements are UE Rx-Tx time difference, gNB Rx-Tx time difference, time advance (TA), etc.
- Examples of unidirectional timing measurements are reference signal time difference (RSTD) performed by the UE, UL-RTOA performed by the base station, etc.
- RSTD reference signal time difference
- RSTD It is reference signal time difference between the positioning node j and the reference positioning node i. It is measured on the downlink (DL) positioning reference signals (PRS) and involves two cells (cell is interchangeably referred to as a transmission reception point (TRP)).
- DL downlink
- PRS positioning reference signals
- TRP transmission reception point
- UE Rx-Tx time difference It is defined as TUE-RX -TUE-TX.
- TUE-RX is the UE received timing of downlink subframe #i from a positioning node, defined by the first detected path in time. It is measured on PRS signals received from the gNB.
- TUE-TX is the UE transmit timing of uplink subframe #j that is closest in time to the subframe #i received from the positioning node.
- NR positioning measurements related to timing performed by the base station e.g., gNB:
- gNB Rx-Tx time difference It is defined as T 8 NB-RX - T 8 NB-TX
- TgNB-Rx is the positioning node received timing of uplink subframe #i containing a sounding reference signal (SRS) associated with a UE, defined by the first detected path in time. It is measured on SRS signals received from the UE.
- SRS sounding reference signal
- T g NB -TX is the positioning node transmit timing of downlink subframe #j that is closest in time to the subframe #i received from the UE.
- TgNB-Rx is the TRP received timing of uplink subframe #i containing physical random access channel (PRACH) transmitted from the UE, defined by the first detected path in time.
- T g NB -TX is the TRP transmit timing of downlink subframe #j that is closest in time to the subframe #i received from the UE.
- the detected PRACH is used to determine the start of one subframe containing the PRACH.
- UL Relative Time of Arrival It is defined as the beginning of subframe i containing SRS received in positioning node j, relative to the configurable reference time.
- nodel e.g., base station, etc.
- NR also includes carrier phase measurements for positioning. For positioning, the following carrier phase measurements are supported by Rel. 18 NR specifications.
- Carrier phase measurement Phase measurement of the carrier/positioning frequency layer (PFL) used by a TRP for reference signal transmission.
- An example of the carrier phase measurement is reference signal carrier phase (RSCP).
- Carrier phase difference measurement Difference of carrier phase measurements of carriers/PFEs used by reference TRP and neighbor TRP for reference signal transmission. Assume that the carrier phase measured by the UE on a reference signal transmitted on a carrier/PFL operated by the reference TRP is ⁇ J>R and the carrier phase measured by the UE on a reference signal transmitted on a carrier/PFL operated by the neighbor TRP is ⁇ J>N. Then, in one example, the carrier phase difference measurement (CPDM) is expressed as ( ⁇ J>R - ⁇ J>N). In another example, the CPDM is expressed as ( ⁇ J>N - •J’R). The CPDM may also be indicated as the absolute value, e.g. . The CPDM may also be referred to as carrier phase differential measurement, carrier phase relative measurement, relative carrier phase measurement, etc. An example of the carrier phase difference measurement is reference signal carrier phase difference (RSCPD).
- RSCPD reference signal carrier phase difference
- Carrier phase and carrier phase difference measurement can be performed by a UE on a carrier/PFL used by a TRP to transmit reference signals such as PRS, CSI-RS, CS-RS, etc.
- the carrier phase or the carrier phase difference measurement can be expressed in the units of degrees e.g. 7t/6, 1/3, 71/2 etc.
- Release 18 specifications support carrier phase measurements as complementary measurements to the other positioning measurements.
- the UE is always configured to report the carrier phase measurement together with other positioning measurements, such as DL-RSTD with RSCPD measurement and DL RSCP measurement with UE Rx-Tx time difference measurement.
- the LMF configures a time window to indicate resources to be measured by the target UE and a reference unit such that the LMF, upon receiving the carrier phase measurements from the reference unit and the target unit, can cancel out the impact of carrier frequency offset from the reported measurements to enhance the precision of carrier phase measurement for high accuracy positioning.
- the target UE is also expected to perform timing measurements such as RSTD and UE Rx-Tx time difference measurement, as described previously. A combination of the reported carrier phase measurement and the timing measurement is then used by the LMF to localize the UE.
- time window configuration is not flexible enough to enable a network node, such as an LMF, to determine and configure the time window for a target UE to perform: (a) one of the measurements, either carrier phase or timing measurements, inside the time window; and (b) one of the measurements, either carrier phase or timing measurements, outside of the time window.
- This flexibility is needed to enable the network node, such as an LMF, to identify the reference node that can perform the carrier phase measurement on the same resources of the reference signal on which the target UE is also configured to perform carrier phase measurement.
- the location management function provides time window configuration(s) to a target user equipment (UE) along with an indication of measurements to be performed within the time window.
- the LMF provides time window configuration(s) to the target UE along with an indication of measurements that can be performed outside of the time window.
- time window configuration is more explicit than in the existing specifications.
- the LMF controls measurements performed by the UE within the time window.
- the LMF indicates to the UE which measurement(s) are to be performed within the time window.
- the LMF controls measurements performed by the UE outside of the time window.
- the LMF indicates to the UE which measurement(s) are to be performed outside of the time window.
- a method is performed by a wireless device.
- the method comprises receiving, from a network node, a positioning measurement configuration.
- the positioning measurement configuration comprises an indication of a time window for performing one or more positioning measurements and an (explicit) indication of what one or more positioning measurements to perform in the time window.
- the method further comprises performing the indicated one or more positioning measurements in the indicated time window.
- the positioning measurement configuration further comprises an indication of what one or more positioning measurements to perform outside of the indicated time window.
- the method further comprises performing the indicated one or more positioning measurements outside of the indicated time window.
- the method further comprises reporting a capability of the wireless device for performing one or more positioning measurements within a time window to the network node.
- the method further comprises reporting results of performing the indicated one or more positioning measurements to the network node.
- the one or more positioning measurements to perform in the indicated time window comprise one or more carrier phase positioning measurements and/or one or more timing positioning measurements.
- the carrier phase measurements may comprise any one or more of a downlink reference signal carrier phase (DL RSCP) measurement or a downlink reference signal carrier phase difference (DL RSCPD) measurement.
- the timing positioning measurements may comprise any one or more of a downlink round trip time (RTT) measurement or a downlink time difference of arrival (TDOA) measurement.
- RTT downlink round trip time
- TDOA downlink time difference of arrival
- the network node comprises a location management function (LMF).
- LMF location management function
- a wireless device comprises processing circuitry operable to perform any of the wireless device methods described above.
- a computer program product comprising a non-transitory computer readable medium storing computer readable program code, the computer readable program code operable, when executed by processing circuitry to perform any of the methods performed by the wireless devices described above.
- a method is performed by a network node.
- the method comprises determining a positioning measurement configuration for a wireless device.
- the positioning measurement configuration comprises an indication of a time window for performing one or more positioning measurements and an (explicit) indication of what one or more positioning measurements to perform in the time window.
- the method further comprises transmitting the positioning measurement configuration to the wireless device.
- the method further comprises receiving a capability report from the wireless device.
- the capability report comprises a capability of the wireless device for performing one or more positioning measurements within a time window. Determining the measurement configuration for the wireless device is based on the capability report.
- the method further comprises receiving results of performing the indicated one or more positioning measurements from the wireless device.
- the network node comprises a LMF.
- a network node comprises processing circuitry operable to perform any of the network node methods described above.
- Another computer program product comprises a non-transitory computer readable medium storing computer readable program code, the computer readable program code operable, when executed by processing circuitry to perform any of the methods performed by the network nodes described above.
- a UE performs specific measurements in the time window as indicated by the network node, such as an LMF.
- the resources are well utilized by taking UE capabilities into considerations.
- Particular embodiments enable a network node, such as an LMF, to decide when a target UE is expected to perform carrier phase measurement on resources of the reference signal falling within the indicated time window and when not to restrict target UE to perform carrier phase measurement on the resources of the reference signal limited to within the time window.
- a network node such as an LMF
- Figure 1 is a block diagram illustrating the New Radio (NR) positioning architecture
- Figure 2 is a flowchart illustrating example steps performed by a network node
- Figure 3 is a flowchart illustrating example steps performed by a wireless device
- Figure 4 shows an example of a communication system, according to certain embodiments
- FIG. 5 shows a user equipment (UE), according to certain embodiments
- Figure 6 shows a network node, according to certain embodiments.
- Figure 7 is a block diagram of a host, according to certain embodiments.
- Figure 8 is a block diagram illustrating a virtualization environment in which functions implemented by some embodiments may be virtualized;
- Figure 9 shows a communication diagram of a host communicating via a network node with a UE over a partially wireless connection in accordance with some embodiments;
- Figure 10 is a flowchart illustrating an example method in a wireless device, according to certain embodiments.
- Figure 11 is a flowchart illustrating an example method in a network node, according to certain embodiments.
- the location management function provides time window configuration(s) to a target user equipment (UE) along with an indication of measurements to be performed within the time window.
- the LMF provides time window configuration(s) to the target UE along with an indication of measurements that can be performed outside of the time window.
- NW1 network node 1
- TRP serving transmission reception point
- PRS positioning reference signal
- NW2 network node 2
- Positioning measurements may be one of the reference signal time difference (RSTD), UE Rx-Tx, RSTD + carrier phase difference, and/or UE Rx-Tx + carrier phase measurement.
- the UE may also interchangeably be referred to as a target device, wireless device, etc.
- the TRP may also interchangeably be referred to as a base station, access point, gNB, eNB, satellite access node (SAN), high altitude platform station (HAPS), integrated access and backhaul (IAB) node, etc.
- the location server may also interchangeably be referred to as a positioning node, serving mobile location center (SMLC), evolved SMLC (E-SMLC), LMF, etc.
- SMLC serving mobile location center
- E-SMLC evolved SMLC
- LMF etc.
- NW2 provides assistance data to UE via higher layer signaling, e.g. Long-Term Evolution (LTE) Positioning Protocol (LPP) messages.
- LTE Long-Term Evolution
- LPP Positioning Protocol
- the UE reports positioning measurement to NW2 after performing the positioning measurement based on the configuration/assistance data provided to the UE by NW2.
- the UE may be in any of the Radio Resource Control (RRC) states (e.g., either of RRC_CONNECTED, RRC_INACTIVE, and RRC_IDLE states) when performing the positioning measurements configured by NW2.
- RRC Radio Resource Control
- the assistance data provided by NW2 to the UE remains valid regardless of RRC state of the UE while the UE is performing positioning measurements configured by NW2.
- NW2 is aware of the positioning frequency layer (PFL) used by NW1 to transmit the reference signal for positioning measurements.
- PFL positioning frequency layer
- the term positioning frequency layer is also referred to as carrier frequency, component carrier (CC), frequency layer, serving carrier, frequency channel, etc.
- the PFL belongs to a certain frequency band, which may contain one or multiple PFLs/carrier frequencies based on its passband (e.g., size of the band in frequency domain) and/or bandwidth of the carriers and/or the channel raster, etc.
- the PFL/carrier frequency related information is transmitted to the UE by a network node using a channel number or identifier via message, e.g. RRC.
- channel number or identifier examples include absolute radio frequency channel number (ARFCN), NR-ARFCN, PFL identifier, absoluteFrequencyPointA (the absolute frequency position of the reference resource block) and number of physical resource blocks (PRBs), etc.
- ARFCN absolute radio frequency channel number
- NR-ARFCN NR-ARFCN
- PFL identifier the absolute radio frequency channel number
- absoluteFrequencyPointA the absolute frequency position of the reference resource block
- PRBs physical resource blocks
- a first group of embodiments includes configuring a time window to a UE for positioning measurements.
- the LMF configures time window(s) valid for a specific measurement or a set of measurements where one of the measurements is the carrier phase measurement for positioning.
- the LMF configures the UE to perform only carrier phase measurement within the configured time window.
- Examples of such measurements are downlink (DL) reference signal carrier phase difference (RSCPD) or DL reference signal carrier phase (RSCP) measurements.
- DL downlink
- RSCPD reference signal carrier phase difference
- RSCP DL reference signal carrier phase
- the LMF configures the UE to perform only timing measurements within the configured time window. Examples of such measurements are RSTD or UE Rx-Tx time difference measurements.
- the LMF configures the UE to perform a set of measurements within the configured time window.
- the measurements that can be configured to be performed within the configured time window include DL RSCPD + RSTD or DL RSCP + UE Rx-Tx time difference measurement.
- Figure 2 is a flowchart illustrating example steps performed by a network node.
- a second group of embodiments include performing measurements and reporting to the network node.
- a UE reports its capability in terms of positioning measurements that the UE can support and can perform within a time window, e.g.: single measurements such as: RTT UE Rx- Tx, RSTD, RSRP, RSCP, RSCPD or combination of multiple measurements such as UE Rx-Tx and RSCP.
- the UE receives time window(s) configuration(s) from the network with an indication of the measurement(s) to be performed within the configured time window(s).
- the UE receives time window configuration from the LMF with an indication to only perform carrier phase measurement within the configured time window. Examples of such measurements are DL RSCPD or DL RSCP measurements.
- the UE receives time window configuration from the LMF with an indication to only perform timing measurement within the configured time window. Examples of such measurements are RSTD or UE Rx-Tx measurements.
- the UE receives time window configuration from the LMF with an indication of the measurements to be performed within the configured time window. Examples of such measurements are RSTD + RSCPD or UE Rx-Tx + RSCP measurements, etc.
- Figure 3 is a flowchart illustrating example steps performed by a wireless device, such as a UE.
- a third group of embodiments include failure handling.
- a UE may not be able to perform the measurements as specified/configured by the network node (e.g., LMF). In such case, the UE may report a failure reason.
- the failure reason may also indicate the reason of failure or if measurements were performed but performed outside of the window. The failure reason may be not sufficient time duration to perform all measurements or any other failure or error message indicating the reason.
- the IE NR-DL-PRS-MeasurementTimeWindowsConfig provides a set of indicated time window(s) which is configured for the target device to perform measurements on indicated DL- PRS Resource Set(s) occurring within indicated time window(s). ; nr-MeasurementsToPerfromlnTimeWindow i This field indicates the measurements that UE shall perform in the configured time window.
- the IE NR-DL-TDOA-MeasurementCapability defines the DL-TDOA measurement capability.
- the UE can include this IE only if the UE supports NR-DL-PRS-ResourcesCapability for DL- TDOA. Otherwise, the UE does not include this IE. supportedMeasurementsInTimeWindow
- This field indicates the supported measurements that UE supports in the configured time window. If multiple bits are set to 1 , then UE supports multiple measurements in same time window. supportedMeasurementsInTimeWindow
- This field indicates the supported measurements that UE supports in the configured time window.
- Value dl-tdoa implies UE supports DL-TDOA (RSTD) measurements in time window
- value carrierPhaseMeas implies UE supports carrier phase measurements
- dl- tdoaPlusCarrierPhaseMeasInSameTimeWindow implies both are supported in same time window
- dl-tdoaAndCarrierPhaseMeasButNotSameTimeWindow implies both are supported but cannot be supported in same time window.
- network should provide sufficient duration in time window for the UE to complete the measurements.
- the IE NR-DL-AoD-TargetDeviceErrorCauses is used by the target device to provide NR DL-
- This field indicates whether the target device in NR access is configured as a L2 U2N Remote
- FIG. 4 shows an example of a communication system 100 in accordance with some embodiments.
- the communication system 100 includes a telecommunication network 102 that includes an access network 104, such as a radio access network (RAN), and a core network 106, which includes one or more core network nodes 108.
- the access network 104 includes one or more access network nodes, such as network nodes 110a and 110b (one or more of which may be generally referred to as network nodes 110), or any other similar 3 rd Generation Partnership Project (3GPP) access node or non-3GPP access point.
- 3GPP 3 rd Generation Partnership Project
- the network nodes 110 facilitate direct or indirect connection of user equipment (UE), such as by connecting UEs 112a, 112b, 112c, and 112d (one or more of which may be generally referred to as UEs 112) to the core network 106 over one or more wireless connections.
- UE user equipment
- Example wireless communications over a wireless connection include transmitting and/or receiving wireless signals using electromagnetic waves, radio waves, infrared waves, and/or other types of signals suitable for conveying information without the use of wires, cables, or other material conductors.
- the communication system 100 may include any number of wired or wireless networks, network nodes, UEs, and/or any other components or systems that may facilitate or participate in the communication of data and/or signals whether via wired or wireless connections.
- the communication system 100 may include and/or interface with any type of communication, telecommunication, data, cellular, radio network, and/or other similar type of system.
- the UEs 112 may be any of a wide variety of communication devices, including wireless devices arranged, configured, and/or operable to communicate wirelessly with the network nodes 110 and other communication devices.
- the network nodes 110 are arranged, capable, configured, and/or operable to communicate directly or indirectly with the UEs 112 and/or with other network nodes or equipment in the telecommunication network 102 to enable and/or provide network access, such as wireless network access, and/or to perform other functions, such as administration in the telecommunication network 102.
- the core network 106 connects the network nodes 110 to one or more hosts, such as host 116. These connections may be direct or indirect via one or more intermediary networks or devices. In other examples, network nodes may be directly coupled to hosts.
- the core network 106 includes one more core network nodes (e.g., core network node 108) that are structured with hardware and software components. Features of these components may be substantially similar to those described with respect to the UEs, network nodes, and/or hosts, such that the descriptions thereof are generally applicable to the corresponding components of the core network node 108.
- Example core network nodes include functions of one or more of a Mobile Switching Center (MSC), Mobility Management Entity (MME), Home Subscriber Server (HSS), Access and Mobility Management Function (AMF), Session Management Function (SMF), Authentication Server Function (AUSF), Subscription Identifier De-concealing function (SIDE), Unified Data Management (UDM), Security Edge Protection Proxy (SEPP), Network Exposure Function (NEF), and/or a User Plane Function (UPF).
- MSC Mobile Switching Center
- MME Mobility Management Entity
- HSS Home Subscriber Server
- AMF Access and Mobility Management Function
- SMF Session Management Function
- AUSF Authentication Server Function
- SIDE Subscription Identifier De-concealing function
- UDM Unified Data Management
- SEPP Security Edge Protection Proxy
- NEF Network Exposure Function
- UPF User Plane Function
- the host 116 may be under the ownership or control of a service provider other than an operator or provider of the access network 104 and/or the telecommunication network 102, and may be operated by the service provider or on behalf of the service provider.
- the host 116 may host a variety of applications to provide one or more service. Examples of such applications include live and pre-recorded audio/video content, data collection services such as retrieving and compiling data on various ambient conditions detected by a plurality of UEs, analytics functionality, social media, functions for controlling or otherwise interacting with remote devices, functions for an alarm and surveillance center, or any other such function performed by a server.
- the communication system 100 of Figure 4 enables connectivity between the UEs, network nodes, and hosts.
- the communication system may be configured to operate according to predefined rules or procedures, such as specific standards that include, but are not limited to: Global System for Mobile Communications (GSM); Universal Mobile Telecommunications System (UMTS); Long Term Evolution (LTE), and/or other suitable 2G, 3G, 4G, 5G standards, or any applicable future generation standard (e.g., 6G); wireless local area network (WLAN) standards, such as the Institute of Electrical and Electronics Engineers (IEEE) 802.11 standards (WiFi); and/or any other appropriate wireless communication standard, such as the Worldwide Interoperability for Microwave Access (WiMax), Bluetooth, Z-Wave, Near Field Communication (NFC) ZigBee, LiFi, and/or any low-power wide-area network (LPWAN) standards such as LoRa and Sigfox.
- GSM Global System for Mobile Communications
- UMTS Universal Mobile Telecommunications System
- LTE Long Term Evolution
- the telecommunication network 102 is a cellular network that implements 3GPP standardized features. Accordingly, the telecommunications network 102 may support network slicing to provide different logical networks to different devices that are connected to the telecommunication network 102. For example, the telecommunications network 102 may provide Ultra Reliable Low Latency Communication (URLLC) services to some UEs, while providing Enhanced Mobile Broadband (eMBB) services to other UEs, and/or Massive Machine Type Communication (mMTC)/Massive loT services to yet further UEs.
- URLLC Ultra Reliable Low Latency Communication
- eMBB Enhanced Mobile Broadband
- mMTC Massive Machine Type Communication
- the UEs 112 are configured to transmit and/or receive information without direct human interaction.
- a UE may be designed to transmit information to the access network 104 on a predetermined schedule, when triggered by an internal or external event, or in response to requests from the access network 104.
- a UE may be configured for operating in single- or multi-RAT or multi-standard mode.
- a UE may operate with any one or combination of Wi-Fi, NR (New Radio) and LTE, i.e. being configured for multi-radio dual connectivity (MR-DC), such as E-UTRAN (Evolved-UMTS Terrestrial Radio Access Network) New Radio - Dual Connectivity (EN-DC).
- MR-DC multi-radio dual connectivity
- the hub 114 communicates with the access network 104 to facilitate indirect communication between one or more UEs (e.g., UE 112c and/or 112d) and network nodes (e.g., network node 110b).
- the hub 114 may be a controller, router, content source and analytics, or any of the other communication devices described herein regarding UEs.
- the hub 114 may be a broadband router enabling access to the core network 106 for the UEs.
- the hub 114 may be a controller that sends commands or instructions to one or more actuators in the UEs.
- the hub 114 may be a data collector that acts as temporary storage for UE data and, in some embodiments, may perform analysis or other processing of the data.
- the hub 114 may be a content source. For example, for a UE that is a VR headset, display, loudspeaker or other media delivery device, the hub 114 may retrieve VR assets, video, audio, or other media or data related to sensory information via a network node, which the hub 114 then provides to the UE either directly, after performing local processing, and/or after adding additional local content.
- the hub 114 acts as a proxy server or orchestrator for the UEs, in particular in if one or more of the UEs are low energy loT devices.
- the hub 114 may have a constant/persistent or intermittent connection to the network node 110b.
- the hub 114 may also allow for a different communication scheme and/or schedule between the hub 114 and UEs (e.g., UE 112c and/or 112d), and between the hub 114 and the core network 106.
- the hub 114 is connected to the core network 106 and/or one or more UEs via a wired connection.
- the hub 114 may be configured to connect to an M2M service provider over the access network 104 and/or to another UE over a direct connection.
- UEs may establish a wireless connection with the network nodes 110 while still connected via the hub 114 via a wired or wireless connection.
- the hub 114 may be a dedicated hub - that is, a hub whose primary function is to route communications to/from the UEs from/to the network node 110b.
- the hub 114 may be a nondedicated hub - that is, a device which is capable of operating to route communications between the UEs and network node 110b, but which is additionally capable of operating as a communication start and/or end point for certain data channels.
- FIG. 5 shows a UE 200 in accordance with some embodiments.
- a UE refers to a device capable, configured, arranged and/or operable to communicate wirelessly with network nodes and/or other UEs.
- Examples of a UE include, but are not limited to, a smart phone, mobile phone, cell phone, voice over IP (VoIP) phone, wireless local loop phone, desktop computer, personal digital assistant (PDA), wireless cameras, gaming console or device, music storage device, playback appliance, wearable terminal device, wireless endpoint, mobile station, tablet, laptop, laptop-embedded equipment (LEE), laptop-mounted equipment (LME), smart device, wireless customer-premise equipment (CPE), vehicle-mounted or vehicle embedded/integrated wireless device, etc.
- VoIP voice over IP
- LME laptop-embedded equipment
- LME laptop-mounted equipment
- CPE wireless customer-premise equipment
- UEs identified by the 3rd Generation Partnership Project (3GPP), including a narrow band internet of things (NB-IoT) UE, a machine type communication (MTC) UE, and/or an enhanced MTC (eMTC) UE.
- 3GPP 3rd Generation Partnership Project
- NB-IoT narrow band internet of things
- MTC machine type communication
- eMTC enhanced MTC
- a UE may support device-to-device (D2D) communication, for example by implementing a 3GPP standard for sidelink communication, Dedicated Short-Range Communication (DSRC), vehicle-to-vehicle (V2V), vehicle-to-infrastructure (V2I), or vehicle-to- everything (V2X).
- D2D device-to-device
- DSRC Dedicated Short-Range Communication
- V2V vehicle-to-vehicle
- V2I vehicle-to-infrastructure
- V2X vehicle-to- everything
- a UE may not necessarily have a user in the sense of a human user who owns and/or operates the relevant device.
- a UE may represent a device that is intended for sale to, or operation by, a human user but which may not, or which may not initially, be associated with a specific human user (e.g., a smart sprinkler controller).
- a UE may represent a device that is not intended for sale to, or operation
- the UE 200 includes processing circuitry 202 that is operatively coupled via a bus 204 to an input/output interface 206, a power source 208, a memory 210, a communication interface 212, and/or any other component, or any combination thereof.
- Certain UEs may utilize all or a subset of the components shown in Figure 2. The level of integration between the components may vary from one UE to another UE. Further, certain UEs may contain multiple instances of a component, such as multiple processors, memories, transceivers, transmitters, receivers, etc.
- the processing circuitry 202 is configured to process instructions and data and may be configured to implement any sequential state machine operative to execute instructions stored as machine-readable computer programs in the memory 210.
- the processing circuitry 202 may be implemented as one or more hardware-implemented state machines (e.g., in discrete logic, field- programmable gate arrays (FPGAs), application specific integrated circuits (ASICs), etc.); programmable logic together with appropriate firmware; one or more stored computer programs, general-purpose processors, such as a microprocessor or digital signal processor (DSP), together with appropriate software; or any combination of the above.
- the processing circuitry 202 may include multiple central processing units (CPUs).
- the input/output interface 206 may be configured to provide an interface or interfaces to an input device, output device, or one or more input and/or output devices.
- Examples of an output device include a speaker, a sound card, a video card, a display, a monitor, a printer, an actuator, an emitter, a smartcard, another output device, or any combination thereof.
- An input device may allow a user to capture information into the UE 200.
- Examples of an input device include a touch-sensitive or presence- sensitive display, a camera (e.g., a digital camera, a digital video camera, a web camera, etc.), a microphone, a sensor, a mouse, a trackball, a directional pad, a trackpad, a scroll wheel, a smartcard, and the like.
- the presence-sensitive display may include a capacitive or resistive touch sensor to sense input from a user.
- a sensor may be, for instance, an accelerometer, a gyroscope, a tilt sensor, a force sensor, a magnetometer, an optical sensor, a proximity sensor, a biometric sensor, etc., or any combination thereof.
- An output device may use the same type of interface port as an input device. For example, a Universal Serial Bus (USB) port may be used to provide an input device and an output device.
- USB Universal Serial Bus
- the power source 208 is structured as a battery or battery pack. Other types of power sources, such as an external power source (e.g., an electricity outlet), photovoltaic device, or power cell, may be used.
- the power source 208 may further include power circuitry for delivering power from the power source 208 itself, and/or an external power source, to the various parts of the UE 200 via input circuitry or an interface such as an electrical power cable. Delivering power may be, for example, for charging of the power source 208.
- Power circuitry may perform any formatting, converting, or other modification to the power from the power source 208 to make the power suitable for the respective components of the UE 200 to which power is supplied.
- the memory 210 may be or be configured to include memory such as random access memory (RAM), read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), magnetic disks, optical disks, hard disks, removable cartridges, flash drives, and so forth.
- the memory 210 includes one or more application programs 214, such as an operating system, web browser application, a widget, gadget engine, or other application, and corresponding data 216.
- the memory 210 may store, for use by the UE 200, any of a variety of various operating systems or combinations of operating systems.
- the memory 210 may be configured to include a number of physical drive units, such as redundant array of independent disks (RAID), flash memory, USB flash drive, external hard disk drive, thumb drive, pen drive, key drive, high-density digital versatile disc (HD-DVD) optical disc drive, internal hard disk drive, Blu-Ray optical disc drive, holographic digital data storage (HDDS) optical disc drive, external mini-dual in-line memory module (DIMM), synchronous dynamic random access memory (SDRAM), external micro-DIMM SDRAM, smartcard memory such as tamper resistant module in the form of a universal integrated circuit card (UICC) including one or more subscriber identity modules (SIMs), such as a USIM and/or ISIM, other memory, or any combination thereof.
- RAID redundant array of independent disks
- HD-DVD high-density digital versatile disc
- HDDS holographic digital data storage
- DIMM external mini-dual in-line memory module
- SDRAM synchronous dynamic random access memory
- SDRAM synchronous dynamic random access memory
- the UICC may for example be an embedded UICC (eUICC), integrated UICC (iUICC) or a removable UICC commonly known as ‘SIM card.’
- eUICC embedded UICC
- iUICC integrated UICC
- SIM card removable UICC commonly known as ‘SIM card.’
- the memory 210 may allow the UE 200 to access instructions, application programs and the like, stored on transitory or non-transitory memory media, to off-load data, or to upload data.
- An article of manufacture, such as one utilizing a communication system may be tangibly embodied as or in the memory 210, which may be or comprise a device-readable storage medium.
- the processing circuitry 202 may be configured to communicate with an access network or other network using the communication interface 212.
- the communication interface 212 may comprise one or more communication subsystems and may include or be communicatively coupled to an antenna 222.
- the communication interface 212 may include one or more transceivers used to communicate, such as by communicating with one or more remote transceivers of another device capable of wireless communication (e.g., another UE or a network node in an access network).
- Each transceiver may include a transmitter 218 and/or a receiver 220 appropriate to provide network communications (e.g., optical, electrical, frequency allocations, and so forth).
- the transmitter 218 and receiver 220 may be coupled to one or more antennas (e.g., antenna 222) and may share circuit components, software or firmware, or alternatively be implemented separately.
- communication functions of the communication interface 212 may include cellular communication, Wi-Fi communication, LPWAN communication, data communication, voice communication, multimedia communication, short- range communications such as Bluetooth, near-field communication, location-based communication such as the use of the global positioning system (GPS) to determine a location, another like communication function, or any combination thereof.
- GPS global positioning system
- Communications may be implemented in according to one or more communication protocols and/or standards, such as IEEE 802.11, Code Division Multiplexing Access (CDMA), Wideband Code Division Multiple Access (WCDMA), GSM, LTE, New Radio (NR), UMTS, WiMax, Ethernet, transmission control protocol/internet protocol (TCP/IP), synchronous optical networking (SONET), Asynchronous Transfer Mode (ATM), QUIC, Hypertext Transfer Protocol (HTTP), and so forth.
- CDMA Code Division Multiplexing Access
- WCDMA Wideband Code Division Multiple Access
- WCDMA Wideband Code Division Multiple Access
- GSM Global System for Mobile communications
- LTE Long Term Evolution
- NR New Radio
- UMTS Worldwide Interoperability for Microwave Access
- WiMax Ethernet
- TCP/IP transmission control protocol/internet protocol
- SONET synchronous optical networking
- ATM Asynchronous Transfer Mode
- QUIC Hypertext Transfer Protocol
- HTTP Hypertext Transfer Protocol
- a UE may provide an output of data captured by its sensors, through its communication interface 212, via a wireless connection to a network node.
- Data captured by sensors of a UE can be communicated through a wireless connection to a network node via another UE.
- the output may be periodic (e.g., once every 15 minutes if it reports the sensed temperature), random (e.g., to even out the load from reporting from several sensors), in response to a triggering event (e.g., when moisture is detected an alert is sent), in response to a request (e.g., a user initiated request), or a continuous stream (e.g., a live video feed of a patient).
- a UE comprises an actuator, a motor, or a switch, related to a communication interface configured to receive wireless input from a network node via a wireless connection.
- the states of the actuator, the motor, or the switch may change.
- the UE may comprise a motor that adjusts the control surfaces or rotors of a drone in flight according to the received input or to a robotic arm performing a medical procedure according to the received input.
- a UE when in the form of an Internet of Things (loT) device, may be a device for use in one or more application domains, these domains comprising, but not limited to, city wearable technology, extended industrial application and healthcare.
- loT device are a device which is or which is embedded in: a connected refrigerator or freezer, a TV, a connected lighting device, an electricity meter, a robot vacuum cleaner, a voice controlled smart speaker, a home security camera, a motion detector, a thermostat, a smoke detector, a door/window sensor, a flood/moisture sensor, an electrical door lock, a connected doorbell, an air conditioning system like a heat pump, an autonomous vehicle, a surveillance system, a weather monitoring device, a vehicle parking monitoring device, an electric vehicle charging station, a smart watch, a fitness tracker, a head-mounted display for Augmented Reality (AR) or Virtual Reality (VR), a wearable for tactile augmentation or sensory enhancement, a water sprinkler, an animal-
- AR Augmented Reality
- VR
- a UE may represent a machine or other device that performs monitoring and/or measurements, and transmits the results of such monitoring and/or measurements to another UE and/or a network node.
- the UE may in this case be an M2M device, which may in a 3GPP context be referred to as an MTC device.
- the UE may implement the 3GPP NB-IoT standard.
- a UE may represent a vehicle, such as a car, a bus, a truck, a ship and an airplane, or other equipment that is capable of monitoring and/or reporting on its operational status or other functions associated with its operation.
- a first UE might be or be integrated in a drone and provide the drone’s speed information (obtained through a speed sensor) to a second UE that is a remote controller operating the drone.
- the first UE may adjust the throttle on the drone (e.g. by controlling an actuator) to increase or decrease the drone’s speed.
- the first and/or the second UE can also include more than one of the functionalities described above.
- a UE might comprise the sensor and the actuator, and handle communication of data for both the speed sensor and the actuators.
- FIG. 6 shows a network node 300 in accordance with some embodiments.
- network node refers to equipment capable, configured, arranged and/or operable to communicate directly or indirectly with a UE and/or with other network nodes or equipment, in a telecommunication network.
- network nodes include, but are not limited to, access points (APs) (e.g., radio access points), base stations (BSs) (e.g., radio base stations, Node Bs, evolved Node Bs (eNBs) and NR NodeBs (gNBs)).
- APs access points
- BSs base stations
- Node Bs Node Bs
- eNBs evolved Node Bs
- gNBs NR NodeBs
- Base stations may be categorized based on the amount of coverage they provide (or, stated differently, their transmit power level) and so, depending on the provided amount of coverage, may be referred to as femto base stations, pico base stations, micro base stations, or macro base stations.
- a base station may be a relay node or a relay donor node controlling a relay.
- a network node may also include one or more (or all) parts of a distributed radio base station such as centralized digital units and/or remote radio units (RRUs), sometimes referred to as Remote Radio Heads (RRHs). Such remote radio units may or may not be integrated with an antenna as an antenna integrated radio.
- RRUs remote radio units
- RRHs Remote Radio Heads
- Such remote radio units may or may not be integrated with an antenna as an antenna integrated radio.
- Parts of a distributed radio base station may also be referred to as nodes in a distributed antenna system (DAS).
- DAS distributed antenna system
- network nodes include multiple transmission point (multi-TRP) 5G access nodes, multi-standard radio (MSR) equipment such as MSR BSs, network controllers such as radio network controllers (RNCs) or base station controllers (BSCs), base transceiver stations (BTSs), transmission points, transmission nodes, multi-cell/multicast coordination entities (MCEs), Operation and Maintenance (O&M) nodes, Operations Support System (OSS) nodes, Self-Organizing Network (SON) nodes, positioning nodes (e.g., Evolved Serving Mobile Location Centers (E-SMLCs)), and/or Minimization of Drive Tests (MDTs).
- MSR multi-standard radio
- RNCs radio network controllers
- BSCs base station controllers
- BTSs base transceiver stations
- OFDM Operation and Maintenance
- OSS Operations Support System
- SON Self-Organizing Network
- positioning nodes e.g., Evolved Serving Mobile Location Centers (E-SMLCs)
- the network node 300 includes a processing circuitry 302, a memory 304, a communication interface 306, and a power source 308.
- the network node 300 may be composed of multiple physically separate components (e.g., a NodeB component and a RNC component, or a BTS component and a BSC component, etc.), which may each have their own respective components.
- the network node 300 comprises multiple separate components (e.g., BTS and BSC components)
- one or more of the separate components may be shared among several network nodes.
- a single RNC may control multiple NodeBs.
- each unique NodeB and RNC pair may in some instances be considered a single separate network node.
- the network node 300 may be configured to support multiple radio access technologies (RATs).
- RATs radio access technologies
- some components may be duplicated (e.g., separate memory 304 for different RATs) and some components may be reused (e.g., a same antenna 310 may be shared by different RATs).
- the network node 300 may also include multiple sets of the various illustrated components for different wireless technologies integrated into network node 300, for example GSM, WCDMA, LTE, NR, WiFi, Zigbee, Z-wave, LoRaWAN, Radio Frequency Identification (RFID) or Bluetooth wireless technologies. These wireless technologies may be integrated into the same or different chip or set of chips and other components within network node 300.
- RFID Radio Frequency Identification
- the processing circuitry 302 may comprise a combination of one or more of a microprocessor, controller, microcontroller, central processing unit, digital signal processor, application- specific integrated circuit, field programmable gate array, or any other suitable computing device, resource, or combination of hardware, software and/or encoded logic operable to provide, either alone or in conjunction with other network node 300 components, such as the memory 304, to provide network node 300 functionality.
- the processing circuitry 302 includes a system on a chip (SOC).
- the processing circuitry 302 includes one or more of radio frequency (RF) transceiver circuitry 312 and baseband processing circuitry 314.
- the radio frequency (RF) transceiver circuitry 312 and the baseband processing circuitry 314 may be on separate chips (or sets of chips), boards, or units, such as radio units and digital units.
- part or all of RF transceiver circuitry 312 and baseband processing circuitry 314 may be on the same chip or set of chips, boards, or units.
- the memory 304 may comprise any form of volatile or non-volatile computer-readable memory including, without limitation, persistent storage, solid-state memory, remotely mounted memory, magnetic media, optical media, random access memory (RAM), read-only memory (ROM), mass storage media (for example, a hard disk), removable storage media (for example, a flash drive, a Compact Disk (CD) or a Digital Video Disk (DVD)), and/or any other volatile or non-volatile, non-transitory device-readable and/or computer-executable memory devices that store information, data, and/or instructions that may be used by the processing circuitry 302.
- volatile or non-volatile computer-readable memory including, without limitation, persistent storage, solid-state memory, remotely mounted memory, magnetic media, optical media, random access memory (RAM), read-only memory (ROM), mass storage media (for example, a hard disk), removable storage media (for example, a flash drive, a Compact Disk (CD) or a Digital Video Disk (DVD)), and/or any other volatile or non-
- the memory 304 may store any suitable instructions, data, or information, including a computer program, software, an application including one or more of logic, rules, code, tables, and/or other instructions capable of being executed by the processing circuitry 302 and utilized by the network node 300.
- the memory 304 may be used to store any calculations made by the processing circuitry 302 and/or any data received via the communication interface 306.
- the processing circuitry 302 and memory 304 is integrated.
- the communication interface 306 is used in wired or wireless communication of signaling and/or data between a network node, access network, and/or UE.
- the communication interface 306 comprises port(s)/terminal(s) 316 to send and receive data, for example to and from a network over a wired connection.
- the communication interface 306 also includes radio front-end circuitry 318 that may be coupled to, or in certain embodiments a part of, the antenna 310.
- Radio front-end circuitry 318 comprises filters 320 and amplifiers 322.
- the radio front-end circuitry 318 may be connected to an antenna 310 and processing circuitry 302.
- the radio front-end circuitry may be configured to condition signals communicated between antenna 310 and processing circuitry 302.
- the radio front-end circuitry 318 may receive digital data that is to be sent out to other network nodes or UEs via a wireless connection.
- the radio front-end circuitry 318 may convert the digital data into a radio signal having the appropriate channel and bandwidth parameters using a combination of filters 320 and/or amplifiers 322. The radio signal may then be transmitted via the antenna 310. Similarly, when receiving data, the antenna 310 may collect radio signals which are then converted into digital data by the radio front-end circuitry 318. The digital data may be passed to the processing circuitry 302. In other embodiments, the communication interface may comprise different components and/or different combinations of components.
- the network node 300 does not include separate radio front-end circuitry 318, instead, the processing circuitry 302 includes radio front-end circuitry and is connected to the antenna 310.
- the processing circuitry 302 includes radio front-end circuitry and is connected to the antenna 310.
- all or some of the RF transceiver circuitry 312 is part of the communication interface 306.
- the communication interface 306 includes one or more ports or terminals 316, the radio front-end circuitry 318, and the RF transceiver circuitry 312, as part of a radio unit (not shown), and the communication interface 306 communicates with the baseband processing circuitry 314, which is part of a digital unit (not shown).
- the antenna 310 may include one or more antennas, or antenna arrays, configured to send and/or receive wireless signals.
- the antenna 310 may be coupled to the radio front-end circuitry 318 and may be any type of antenna capable of transmitting and receiving data and/or signals wirelessly.
- the antenna 310 is separate from the network node 300 and connectable to the network node 300 through an interface or port.
- the antenna 310, communication interface 306, and/or the processing circuitry 302 may be configured to perform any receiving operations and/or certain obtaining operations described herein as being performed by the network node. Any information, data and/or signals may be received from a UE, another network node and/or any other network equipment. Similarly, the antenna 310, the communication interface 306, and/or the processing circuitry 302 may be configured to perform any transmitting operations described herein as being performed by the network node. Any information, data and/or signals may be transmitted to a UE, another network node and/or any other network equipment.
- the power source 308 provides power to the various components of network node 300 in a form suitable for the respective components (e.g., at a voltage and current level needed for each respective component).
- the power source 308 may further comprise, or be coupled to, power management circuitry to supply the components of the network node 300 with power for performing the functionality described herein.
- the network node 300 may be connectable to an external power source (e.g., the power grid, an electricity outlet) via an input circuitry or interface such as an electrical cable, whereby the external power source supplies power to power circuitry of the power source 308.
- the power source 308 may comprise a source of power in the form of a battery or battery pack which is connected to, or integrated in, power circuitry. The battery may provide backup power should the external power source fail.
- Embodiments of the network node 300 may include additional components beyond those shown in Figure 6 for providing certain aspects of the network node’s functionality, including any of the functionality described herein and/or any functionality necessary to support the subject matter described herein.
- the network node 300 may include user interface equipment to allow input of information into the network node 300 and to allow output of information from the network node 300. This may allow a user to perform diagnostic, maintenance, repair, and other administrative functions for the network node 300.
- FIG 7 is a block diagram of a host 400, which may be an embodiment of the host 116 of Figure 4, in accordance with various aspects described herein.
- the host 400 may be or comprise various combinations hardware and/or software, including a standalone server, a blade server, a cloud-implemented server, a distributed server, a virtual machine, container, or processing resources in a server farm.
- the host 400 may provide one or more services to one or more UEs.
- the host 400 includes processing circuitry 402 that is operatively coupled via a bus 404 to an input/output interface 406, a network interface 408, a power source 410, and a memory 412.
- Other components may be included in other embodiments. Features of these components may be substantially similar to those described with respect to the devices of previous figures, such as Figures 10 and 3, such that the descriptions thereof are generally applicable to the corresponding components of host 400.
- the memory 412 may include one or more computer programs including one or more host application programs 414 and data 416, which may include user data, e.g., data generated by a UE for the host 400 or data generated by the host 400 for a UE.
- Embodiments of the host 400 may utilize only a subset or all of the components shown.
- the host application programs 414 may be implemented in a container-based architecture and may provide support for video codecs (e.g., Versatile Video Coding (VVC), High Efficiency Video Coding (HEVC), Advanced Video Coding (AVC), MPEG, VP9) and audio codecs (e.g., FLAC, Advanced Audio Coding (AAC), MPEG, G.711), including transcoding for multiple different classes, types, or implementations of UEs (e.g., handsets, desktop computers, wearable display systems, heads-up display systems).
- VVC Versatile Video Coding
- HEVC High Efficiency Video Coding
- AVC Advanced Video Coding
- MPEG MPEG
- VP9 Video Coding
- audio codecs e.g., FLAC, Advanced Audio Coding (AAC), MPEG, G.711
- the host application programs 414 may also provide for user authentication and licensing checks and may periodically report health, routes, and content availability to a central node, such as a device in or on the edge of a core network. Accordingly, the host 400 may select and/or indicate a different host for over-the-top services for a UE.
- the host application programs 414 may support various protocols, such as the HTTP Live Streaming (HLS) protocol, Real-Time Messaging Protocol (RTMP), Real-Time Streaming Protocol (RTSP), Dynamic Adaptive Streaming over HTTP (MPEG-DASH), etc.
- HLS HTTP Live Streaming
- RTMP Real-Time Messaging Protocol
- RTSP Real-Time Streaming Protocol
- MPEG-DASH Dynamic Adaptive Streaming over HTTP
- FIG. 8 is a block diagram illustrating a virtualization environment 500 in which functions implemented by some embodiments may be virtualized.
- virtualizing means creating virtual versions of apparatuses or devices which may include virtualizing hardware platforms, storage devices and networking resources.
- virtualization can be applied to any device described herein, or components thereof, and relates to an implementation in which at least a portion of the functionality is implemented as one or more virtual components.
- Some or all of the functions described herein may be implemented as virtual components executed by one or more virtual machines (VMs) implemented in one or more virtual environments 500 hosted by one or more of hardware nodes, such as a hardware computing device that operates as a network node, UE, core network node, or host.
- VMs virtual machines
- the node may be entirely virtualized.
- Applications 502 (which may alternatively be called software instances, virtual appliances, network functions, virtual nodes, virtual network functions, etc.) are run in the virtualization environment Q400 to implement some of the features, functions, and/or benefits of some of the embodiments disclosed herein.
- Hardware 504 includes processing circuitry, memory that stores software and/or instructions executable by hardware processing circuitry, and/or other hardware devices as described herein, such as a network interface, input/output interface, and so forth.
- Software may be executed by the processing circuitry to instantiate one or more virtualization layers 506 (also referred to as hypervisors or virtual machine monitors (VMMs)), provide VMs 508a and 508b (one or more of which may be generally referred to as VMs 508), and/or perform any of the functions, features and/or benefits described in relation with some embodiments described herein.
- the virtualization layer 506 may present a virtual operating platform that appears like networking hardware to the VMs 508.
- the VMs 508 comprise virtual processing, virtual memory, virtual networking or interface and virtual storage, and may be run by a corresponding virtualization layer 506. Different embodiments of the instance of a virtual appliance 502 may be implemented on one or more of VMs 508, and the implementations may be made in different ways. Virtualization of the hardware is in some contexts referred to as network function virtualization (NFV). NFV may be used to consolidate many network equipment types onto industry standard high volume server hardware, physical switches, and physical storage, which can be located in data centers, and customer premise equipment.
- NFV network function virtualization
- a VM 508 may be a software implementation of a physical machine that runs programs as if they were executing on a physical, non-virtualized machine.
- Each of the VMs 508, and that part of hardware 504 that executes that VM be it hardware dedicated to that VM and/or hardware shared by that VM with others of the VMs, forms separate virtual network elements.
- a virtual network function is responsible for handling specific network functions that run in one or more VMs 508 on top of the hardware 504 and corresponds to the application 502.
- Hardware 504 may be implemented in a standalone network node with generic or specific components. Hardware 504 may implement some functions via virtualization. Alternatively, hardware 504 may be part of a larger cluster of hardware (e.g. such as in a data center or CPE) where many hardware nodes work together and are managed via management and orchestration 510, which, among others, oversees lifecycle management of applications 502. In some embodiments, hardware 504 is coupled to one or more radio units that each include one or more transmitters and one or more receivers that may be coupled to one or more antennas. Radio units may communicate directly with other hardware nodes via one or more appropriate network interfaces and may be used in combination with the virtual components to provide a virtual node with radio capabilities, such as a radio access node or a base station.
- radio units may communicate directly with other hardware nodes via one or more appropriate network interfaces and may be used in combination with the virtual components to provide a virtual node with radio capabilities, such as a radio access node or a base station.
- FIG. 9 shows a communication diagram of a host 602 communicating via a network node 604 with a UE 606 over a partially wireless connection in accordance with some embodiments.
- host 602 Like host 400, embodiments of host 602 include hardware, such as a communication interface, processing circuitry, and memory.
- the host 602 also includes software, which is stored in or accessible by the host 602 and executable by the processing circuitry.
- the software includes a host application that may be operable to provide a service to a remote user, such as the UE 606 connecting via an over-the-top (OTT) connection 650 extending between the UE 606 and host 602.
- OTT over-the-top
- the network node 604 includes hardware enabling it to communicate with the host 602 and UE 606.
- the connection 660 may be direct or pass through a core network (like core network 106 of Figure 4) and/or one or more other intermediate networks, such as one or more public, private, or hosted networks.
- a core network like core network 106 of Figure 4
- an intermediate network may be a backbone network or the Internet.
- the UE 606 includes hardware and software, which is stored in or accessible by UE 606 and executable by the UE’s processing circuitry.
- the software includes a client application, such as a web browser or operator- specific “app” that may be operable to provide a service to a human or non-human user via UE 606 with the support of the host 602.
- a client application such as a web browser or operator- specific “app” that may be operable to provide a service to a human or non-human user via UE 606 with the support of the host 602.
- an executing host application may communicate with the executing client application via the OTT connection 650 terminating at the UE 606 and host 602.
- the UE’s client application may receive request data from the host's host application and provide user data in response to the request data.
- the OTT connection 650 may transfer both the request data and the user data.
- the UE’s client application may interact with the user to generate the user data that it provides to the host application through the OTT
- the OTT connection 650 may extend via a connection 660 between the host 602 and the network node 604 and via a wireless connection 670 between the network node 604 and the UE 606 to provide the connection between the host 602 and the UE 606.
- the connection 660 and wireless connection 670, over which the OTT connection 650 may be provided, have been drawn abstractly to illustrate the communication between the host 602 and the UE 606 via the network node 604, without explicit reference to any intermediary devices and the precise routing of messages via these devices.
- the host 602 provides user data, which may be performed by executing a host application.
- the user data is associated with a particular human user interacting with the UE 606.
- the user data is associated with a UE 606 that shares data with the host 602 without explicit human interaction.
- the host 602 initiates a transmission carrying the user data towards the UE 606.
- the host 602 may initiate the transmission responsive to a request transmitted by the UE 606.
- the request may be caused by human interaction with the UE 606 or by operation of the client application executing on the UE 606.
- the transmission may pass via the network node 604, in accordance with the teachings of the embodiments described throughout this disclosure. Accordingly, in step 612, the network node 604 transmits to the UE 606 the user data that was carried in the transmission that the host 602 initiated, in accordance with the teachings of the embodiments described throughout this disclosure. In step 614, the UE 606 receives the user data carried in the transmission, which may be performed by a client application executed on the UE 606 associated with the host application executed by the host 602.
- the UE 606 executes a client application which provides user data to the host 602.
- the user data may be provided in reaction or response to the data received from the host 602.
- the UE 606 may provide user data, which may be performed by executing the client application.
- the client application may further consider user input received from the user via an input/output interface of the UE 606. Regardless of the specific manner in which the user data was provided, the UE 606 initiates, in step 618, transmission of the user data towards the host 602 via the network node 604.
- the network node 604 receives user data from the UE 606 and initiates transmission of the received user data towards the host 602.
- the host 602 receives the user data carried in the transmission initiated by the UE 606.
- One or more of the various embodiments improve the performance of OTT services provided to the UE 606 using the OTT connection 650, in which the wireless connection 670 forms the last segment. More precisely, the teachings of these embodiments may improve the data rate and latency and thereby provide benefits such as reduced user waiting time, better responsiveness, and better QoE.
- factory status information may be collected and analyzed by the host 602.
- the host 602 may process audio and video data which may have been retrieved from a UE for use in creating maps.
- the host 602 may collect and analyze real-time data to assist in controlling vehicle congestion (e.g., controlling traffic lights).
- the host 602 may store surveillance video uploaded by a UE.
- the host 602 may store or control access to media content such as video, audio, VR or AR which it can broadcast, multicast or unicast to UEs.
- the host 602 may be used for energy pricing, remote control of non-time critical electrical load to balance power generation needs, location services, presentation services (such as compiling diagrams etc. from data collected from remote devices), or any other function of collecting, retrieving, storing, analyzing and/or transmitting data.
- a measurement procedure may be provided for the purpose of monitoring data rate, latency and other factors on which the one or more embodiments improve.
- the measurement procedure and/or the network functionality for reconfiguring the OTT connection may be implemented in software and hardware of the host 602 and/or UE 606.
- sensors (not shown) may be deployed in or in association with other devices through which the OTT connection 650 passes; the sensors may participate in the measurement procedure by supplying values of the monitored quantities exemplified above, or supplying values of other physical quantities from which software may compute or estimate the monitored quantities.
- the reconfiguring of the OTT connection 650 may include message format, retransmission settings, preferred routing etc. ; the reconfiguring need not directly alter the operation of the network node 604. Such procedures and functionalities may be known and practiced in the art.
- measurements may involve proprietary UE signaling that facilitates measurements of throughput, propagation times, latency and the like, by the host 602.
- the measurements may be implemented in that software causes messages to be transmitted, in particular empty or ‘dummy’ messages, using the OTT connection 650 while monitoring propagation times, errors, etc.
- computing devices described herein may include the illustrated combination of hardware components
- computing devices may comprise multiple different physical components that make up a single illustrated component, and functionality may be partitioned between separate components.
- a communication interface may be configured to include any of the components described herein, and/or the functionality of the components may be partitioned between the processing circuitry and the communication interface.
- non-computationally intensive functions of any of such components may be implemented in software or firmware and computationally intensive functions may be implemented in hardware.
- processing circuitry executing instructions stored on in memory, which in certain embodiments may be a computer program product in the form of a non-transitory computer- readable storage medium.
- some or all of the functionality may be provided by the processing circuitry without executing instructions stored on a separate or discrete device-readable storage medium, such as in a hard-wired manner.
- the processing circuitry can be configured to perform the described functionality. The benefits provided by such functionality are not limited to the processing circuitry alone or to other components of the computing device, but are enjoyed by the computing device as a whole, and/or by end users and a wireless network generally.
- Figure 10 is a flowchart illustrating an example method 1000 in a wireless device, according to certain embodiments. In particular embodiments, one or more steps of Figure 10 may be performed by UE 200 described with respect to Figure 5.
- the method may begin at step 1012, where the wireless device (e.g., UE 200) reports a capability of the wireless device for performing one or more positioning measurements within a time window to a network node (e.g., network node 300).
- a network node e.g., network node 300.
- the network node may use the capability information to determine a suitable positioning measurement configuration for the wireless device.
- the wireless device receives, from the network node, a positioning measurement configuration.
- the positioning measurement configuration comprises an indication of a time window for performing one or more positioning measurements and an (explicit) indication of what one or more positioning measurements to perform in the time window.
- the one or more positioning measurements to perform in the indicated time window comprise one or more carrier phase positioning measurements and/or one or more timing positioning measurements.
- the carrier phase measurements may comprise any one or more of a downlink reference signal carrier phase (DL RSCP) measurement or a downlink reference signal carrier phase difference (DL RSCPD) measurement.
- the timing positioning measurements may comprise any one or more of a downlink round trip time (RTT) measurement or a downlink time difference of arrival (TDOA) measurement.
- RTT downlink round trip time
- TDOA downlink time difference of arrival
- the positioning measurement configuration further comprises an indication of what one or more positioning measurements to perform outside of the indicated time window.
- the wireless device performs the indicated one or more positioning measurements in the indicated time window.
- the method may further comprise, at step 1018, performing one or more indicated positioning measurements outside of the indicated time window.
- the wireless device reports results of performing the indicated one or more positioning measurements to the network node.
- the network node comprises a location management function (LMF).
- LMF location management function
- Figure 11 is a flowchart illustrating an example method 1100 in a network node, according to certain embodiments. In particular embodiments, one or more steps of Figure 11 may be performed by network node 300 described with respect to Figure 6.
- the method may begin at step 1112, where the network node (e.g., network node 300) receives a capability report from the wireless device.
- the capability report comprises a capability of the wireless device for performing one or more positioning measurements within a time window.
- the capability report is described in mor detail with respect to Figure 10 and the embodiments and examples described above.
- the network node determines a positioning measurement configuration for a wireless device.
- the positioning measurement configuration comprises an indication of a time window for performing one or more positioning measurements and an (explicit) indication of what one or more positioning measurements to perform in the time window. Determining the measurement configuration for the wireless device may be based on the capability report.
- the network node transmits the positioning measurement configuration to the wireless device.
- the network node receives results of performing the indicated one or more positioning measurements from the wireless device.
- the network node comprises a LMF.
- references in the specification to “one embodiment,” “an embodiment,” “an example embodiment,” etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to implement such feature, structure, or characteristic in connection with other embodiments, whether or not explicitly described.
- a Embodiments A method performed by a wireless device, the method comprising:
- the indicated positioning measurement includes a carrier phase positioning measurement.
- the indicated positioning measurement includes a timing positioning measurement.
- the method of any one of the previous embodiments further comprising transmitting positioning capabilities to the network node.
- the method of any one of the previous embodiments further comprising transmitting an indication of a result of performing the positioning measurements to the network node.
- any of the wireless device steps, features, or functions described above either alone or in combination with other steps, features, or functions described above.
- the method of the previous embodiment further comprising one or more additional wireless device steps, features or functions described above.
- Embodiments A method performed by a base station, the method comprising:
- a method performed by a base station comprising:
- time window also includes at least one timing measurement and the indication includes an indication of the at least one timing measurement.
- a method performed by a base station comprising:
- a mobile terminal comprising:
- processing circuitry configured to perform any of the steps of any of the Group A embodiments; and power supply circuitry configured to supply power to the wireless device.
- a base station comprising:
- - power supply circuitry configured to supply power to the wireless device.
- a user equipment comprising:
- radio front-end circuitry connected to the antenna and to processing circuitry, and configured to condition signals communicated between the antenna and the processing circuitry;
- processing circuitry being configured to perform any of the steps of any of the Group A embodiments;
- an input interface connected to the processing circuitry and configured to allow input of information into the UE to be processed by the processing circuitry
- a battery connected to the processing circuitry and configured to supply power to the UE.
- a communication system including a host computer comprising:
- UE user equipment
- the cellular network comprises a base station having a radio interface and processing circuitry, the base station’s processing circuitry configured to perform any of the steps of any of the Group B embodiments.
- the communication system of the pervious embodiment further including the base station.
- the communication system of the previous 2 embodiments further including the UE, wherein the UE is configured to communicate with the base station.
- the UE comprises processing circuitry configured to execute a client application associated with the host application.
- a user equipment (UE) configured to communicate with a base station, the UE comprising a radio interface and processing circuitry configured to performs any of the previous 3 embodiments.
- a communication system including a host computer comprising:
- UE user equipment
- the UE comprises a radio interface and processing circuitry, the UE’s components configured to perform any of the steps of any of the Group A embodiments.
- the communication system of the previous embodiment wherein the cellular network further includes a base station configured to communicate with the UE.
- the processing circuitry of the host computer is configured to execute a host application, thereby providing the user data
- a communication system including a host computer comprising:
- a - communication interface configured to receive user data originating from a transmission from a user equipment (UE) to a base station
- the UE comprises a radio interface and processing circuitry, the UE’s processing circuitry configured to perform any of the steps of any of the Group A embodiments.
- the communication system of the previous embodiment further including the UE.
- the communication system of the previous 2 embodiments further including the base station, wherein the base station comprises a radio interface configured to communicate with the UE and a communication interface configured to forward to the host computer the user data carried by a transmission from the UE to the base station.
- the communication system of the previous 3 embodiments wherein:
- the processing circuitry of the host computer is configured to execute a host application
- the UE’s processing circuitry is configured to execute a client application associated with the host application, thereby providing the user data.
- the processing circuitry of the host computer is configured to execute a host application, thereby providing request data
- the host computer receiving user data transmitted to the base station from the UE, wherein the UE performs any of the steps of any of the Group A embodiments.
- the method of the previous embodiment further comprising, at the UE, providing the user data to the base station.
- the method of the previous 2 embodiments further comprising:
- a communication system including a host computer comprising a communication interface configured to receive user data originating from a transmission from a user equipment (UE) to a base station, wherein the base station comprises a radio interface and processing circuitry, the base station’s processing circuitry configured to perform any of the steps of any of the Group B embodiments.
- UE user equipment
- the communication system of the previous embodiment further including the base station.
- the processing circuitry of the host computer is configured to execute a host application
- the UE is configured to execute a client application associated with the host application, thereby providing the user data to be received by the host computer.
- the host computer receiving, from the base station, user data originating from a transmission which the base station has received from the UE, wherein the UE performs any of the steps of any of the Group A embodiments.
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Abstract
According to some embodiments, a method is performed by a wireless device. The method comprises receiving, from a network node, a positioning measurement configuration. The positioning measurement configuration comprises an indication of a time window for performing one or more positioning measurements and an indication of what one or more positioning measurements to perform in the time window. The method further comprises performing the indicated one or more positioning measurements in the indicated time window.
Description
Positioning Measurement Configuration
TECHNICAL FIELD
[0001] The present disclosure generally relates to communication networks, and more specifically to positioning measurement configuration for a specific time window.
BACKGROUND
[0002] Positioning has been a topic in Long Term Evolution (LTE) standardization since Third Generation Partnership Project (3GPP) Release 9. The primary objective of positioning in LTE was to fulfill regulatory requirements for emergency call localization where the target was to achieve less than 50 meter horizontal accuracy.
[0003] Starting from Release 16 specifications, positioning is also supported in New Radio (NR). Positioning in NR is supported by the architecture shown in Figure 1.
[0004] Figure 1 is a block diagram illustrating the NR positioning architecture. The interactions between the gNodeB and the user equipment (UE) is supported via the Radio Resource Control (RRC) protocol, while the location node interfaces with the UE via the LTE positioning protocol (LPP). LPP is a common protocol to both NR and LTE. The location management function (LMF) is the location node in NR. There are also interactions between the location node and the gNodeB via the NR positioning protocol (NRPPa).
[0005] In comparison to LTE, NR positioning benefits from larger bandwidth and finer beamforming, can localize a UE with higher accuracy, and supports the following positioning methods: (a) downlink time difference of arrival (DL-TDoA); (b) uplink relative time of arrival (UL-RToA); (c) downlink angle of departure (DL-AoD); (d) uplink angle of arrival (UL-AoA), including Azimuth of arrival and Zenith of arrival; (e) multi-round trip time (RTT) positioning; and (f) NR enhanced cell ID.
[0006] NR includes timing related positioning measurements. A timing measurement used for UE positioning can be unidirectional or bidirectional. A unidirectional timing measurement is used by a first node (Nodel) for measuring transmit timing of a signal transmitted by Nodel or for measuring reception timing of a signal received by Nodel from a second node (Node2). A bidirectional timing measurement is used by Nodel for measuring relation between the transmit timing of s signal transmitted by Nodel and the reception timing of a signal received at Nodel from Node2. An example of the relation is the difference between the transmission and the reception timings. In the timing measurements in one example Nodel may measure the absolute reception timing of the signal and/or it may measure reception timing of the signal with respect to
a reference time. Similarly, in one example Nodel may measure the absolute transmit timing of the signal and/or it may measure transmit timing of the signal with respect to a reference time.
[0007] NR specifies several timing measurements for positioning. An example of a bidirectional timing measurement is round trip time (RTT). Specific examples of bidirectional timing measurements are UE Rx-Tx time difference, gNB Rx-Tx time difference, time advance (TA), etc. Examples of unidirectional timing measurements are reference signal time difference (RSTD) performed by the UE, UL-RTOA performed by the base station, etc.
[0008] The following are specified NR positioning measurements related to timing performed by the UE:
[0009] RSTD: It is reference signal time difference between the positioning node j and the reference positioning node i. It is measured on the downlink (DL) positioning reference signals (PRS) and involves two cells (cell is interchangeably referred to as a transmission reception point (TRP)).
[0010] UE Rx-Tx time difference: It is defined as TUE-RX -TUE-TX.
[0011] Where:
[0012] TUE-RX is the UE received timing of downlink subframe #i from a positioning node, defined by the first detected path in time. It is measured on PRS signals received from the gNB.
[0013] TUE-TX is the UE transmit timing of uplink subframe #j that is closest in time to the subframe #i received from the positioning node.
[0014] The following are specified NR positioning measurements related to timing performed by the base station (e.g., gNB):
[0015] gNB Rx-Tx time difference: It is defined as T8NB-RX - T8NB-TX
[0016] Where:
[0017] TgNB-Rx is the positioning node received timing of uplink subframe #i containing a sounding reference signal (SRS) associated with a UE, defined by the first detected path in time. It is measured on SRS signals received from the UE.
[0018] TgNB -TX is the positioning node transmit timing of downlink subframe #j that is closest in time to the subframe #i received from the UE.
[0019] Timing advance (TADV): It is defined as the time difference TADV = (T8NB-RX - T8NB- TX),
[0020] Where:
[0021] TgNB-Rx is the TRP received timing of uplink subframe #i containing physical random access channel (PRACH) transmitted from the UE, defined by the first detected path in time.
[0022] TgNB -TX is the TRP transmit timing of downlink subframe #j that is closest in time to the subframe #i received from the UE.
[0023] The detected PRACH is used to determine the start of one subframe containing the PRACH.
[0024] UL Relative Time of Arrival (UL RTQA): It is defined as the beginning of subframe i containing SRS received in positioning node j, relative to the configurable reference time. For example, nodel (e.g., base station, etc.) measures the reception time of signals transmitted by the UE with respect to a reference time.
[0025] NR also includes carrier phase measurements for positioning. For positioning, the following carrier phase measurements are supported by Rel. 18 NR specifications.
[0026] # Carrier phase measurement: Phase measurement of the carrier/positioning frequency layer (PFL) used by a TRP for reference signal transmission. An example of the carrier phase measurement is reference signal carrier phase (RSCP).
[0027] # Carrier phase difference measurement: Difference of carrier phase measurements of carriers/PFEs used by reference TRP and neighbor TRP for reference signal transmission. Assume that the carrier phase measured by the UE on a reference signal transmitted on a carrier/PFL operated by the reference TRP is <J>R and the carrier phase measured by the UE on a reference signal transmitted on a carrier/PFL operated by the neighbor TRP is <J>N. Then, in one example, the carrier phase difference measurement (CPDM) is expressed as (<J>R - <J>N). In another example, the CPDM is expressed as (<J>N - •J’R). The CPDM may also be indicated as the absolute value, e.g.
. The CPDM may also be referred to as carrier phase differential measurement, carrier phase relative measurement, relative carrier phase measurement, etc. An example of the carrier phase difference measurement is reference signal carrier phase difference (RSCPD).
[0028] Carrier phase and carrier phase difference measurement can be performed by a UE on a carrier/PFL used by a TRP to transmit reference signals such as PRS, CSI-RS, CS-RS, etc. The carrier phase or the carrier phase difference measurement can be expressed in the units of degrees e.g. 7t/6, 1/3, 71/2 etc.
[0029] There currently exist certain challenges. For example, Release 18 specifications support carrier phase measurements as complementary measurements to the other positioning measurements. When a UE is configured to perform carrier phase measurement, the UE is always configured to report the carrier phase measurement together with other positioning measurements, such as DL-RSTD with RSCPD measurement and DL RSCP measurement with UE Rx-Tx time difference measurement. To overcome the impact of unknown carrier frequency offset between
the target UE (UE to be localized) and the TRP transmitting reference signals for carrier phase measurement, the LMF configures a time window to indicate resources to be measured by the target UE and a reference unit such that the LMF, upon receiving the carrier phase measurements from the reference unit and the target unit, can cancel out the impact of carrier frequency offset from the reported measurements to enhance the precision of carrier phase measurement for high accuracy positioning. Within this time window, the target UE is also expected to perform timing measurements such as RSTD and UE Rx-Tx time difference measurement, as described previously. A combination of the reported carrier phase measurement and the timing measurement is then used by the LMF to localize the UE.
[0030] In the current specifications, time window configuration is not flexible enough to enable a network node, such as an LMF, to determine and configure the time window for a target UE to perform: (a) one of the measurements, either carrier phase or timing measurements, inside the time window; and (b) one of the measurements, either carrier phase or timing measurements, outside of the time window.
[0031] This flexibility is needed to enable the network node, such as an LMF, to identify the reference node that can perform the carrier phase measurement on the same resources of the reference signal on which the target UE is also configured to perform carrier phase measurement. SUMMARY
[0032] As described above, certain challenges currently exist with positioning measurement configuration. Certain aspects of the disclosure and their embodiments may provide solutions to these or other challenges. For example, in particular embodiments the location management function (LMF) provides time window configuration(s) to a target user equipment (UE) along with an indication of measurements to be performed within the time window. In some embodiments, the LMF provides time window configuration(s) to the target UE along with an indication of measurements that can be performed outside of the time window.
[0033] In general, in particular embodiments time window configuration is more explicit than in the existing specifications. The LMF controls measurements performed by the UE within the time window. The LMF indicates to the UE which measurement(s) are to be performed within the time window. The LMF controls measurements performed by the UE outside of the time window. The LMF indicates to the UE which measurement(s) are to be performed outside of the time window.
[0034] According to some embodiments, a method is performed by a wireless device. The method comprises receiving, from a network node, a positioning measurement configuration. The positioning measurement configuration comprises an indication of a time window for performing
one or more positioning measurements and an (explicit) indication of what one or more positioning measurements to perform in the time window. The method further comprises performing the indicated one or more positioning measurements in the indicated time window.
[0035] In particular embodiments, the positioning measurement configuration further comprises an indication of what one or more positioning measurements to perform outside of the indicated time window. The method further comprises performing the indicated one or more positioning measurements outside of the indicated time window.
[0036] In particular embodiments, the method further comprises reporting a capability of the wireless device for performing one or more positioning measurements within a time window to the network node.
[0037] In particular embodiments, the method further comprises reporting results of performing the indicated one or more positioning measurements to the network node.
[0038] In particular embodiments, the one or more positioning measurements to perform in the indicated time window comprise one or more carrier phase positioning measurements and/or one or more timing positioning measurements. The carrier phase measurements may comprise any one or more of a downlink reference signal carrier phase (DL RSCP) measurement or a downlink reference signal carrier phase difference (DL RSCPD) measurement. The timing positioning measurements may comprise any one or more of a downlink round trip time (RTT) measurement or a downlink time difference of arrival (TDOA) measurement.
[0039] In particular embodiments, the network node comprises a location management function (LMF).
[0040] According to some embodiments, a wireless device comprises processing circuitry operable to perform any of the wireless device methods described above.
[0041] Also disclosed is a computer program product comprising a non-transitory computer readable medium storing computer readable program code, the computer readable program code operable, when executed by processing circuitry to perform any of the methods performed by the wireless devices described above.
[0042] According to some embodiments, a method is performed by a network node. The method comprises determining a positioning measurement configuration for a wireless device. The positioning measurement configuration comprises an indication of a time window for performing one or more positioning measurements and an (explicit) indication of what one or more positioning measurements to perform in the time window. The method further comprises transmitting the positioning measurement configuration to the wireless device.
[0043] In particular embodiments, the method further comprises receiving a capability report from the wireless device. The capability report comprises a capability of the wireless device for performing one or more positioning measurements within a time window. Determining the measurement configuration for the wireless device is based on the capability report.
[0044] In particular embodiments, the method further comprises receiving results of performing the indicated one or more positioning measurements from the wireless device.
[0045] In particular embodiments, the network node comprises a LMF.
[0046] According to some embodiments, a network node comprises processing circuitry operable to perform any of the network node methods described above.
[0047] Another computer program product comprises a non-transitory computer readable medium storing computer readable program code, the computer readable program code operable, when executed by processing circuitry to perform any of the methods performed by the network nodes described above.
[0048] Certain embodiments may provide one or more of the following technical advantages. For example, in particular embodiments a UE performs specific measurements in the time window as indicated by the network node, such as an LMF. The resources are well utilized by taking UE capabilities into considerations.
[0049] Particular embodiments enable a network node, such as an LMF, to decide when a target UE is expected to perform carrier phase measurement on resources of the reference signal falling within the indicated time window and when not to restrict target UE to perform carrier phase measurement on the resources of the reference signal limited to within the time window.
BRIEF DESCRIPTION OF THE DRAWINGS
[0050] The present disclosure may be best understood by way of example with reference to the following description and accompanying drawings that are used to illustrate embodiments of the present disclosure. In the drawings:
Figure 1 is a block diagram illustrating the New Radio (NR) positioning architecture;
Figure 2 is a flowchart illustrating example steps performed by a network node;
Figure 3 is a flowchart illustrating example steps performed by a wireless device;
Figure 4 shows an example of a communication system, according to certain embodiments;
Figure 5 shows a user equipment (UE), according to certain embodiments;
Figure 6 shows a network node, according to certain embodiments;
Figure 7 is a block diagram of a host, according to certain embodiments;
Figure 8 is a block diagram illustrating a virtualization environment in which functions implemented by some embodiments may be virtualized;
Figure 9 shows a communication diagram of a host communicating via a network node with a UE over a partially wireless connection in accordance with some embodiments;
Figure 10 is a flowchart illustrating an example method in a wireless device, according to certain embodiments; and
Figure 11 is a flowchart illustrating an example method in a network node, according to certain embodiments.
DETAIEED DESCRIPTION
[0051] As described above, certain challenges currently exist with positioning measurement configuration. Certain aspects of the disclosure and their embodiments may provide solutions to these or other challenges. For example, in particular embodiments the location management function (LMF) provides time window configuration(s) to a target user equipment (UE) along with an indication of measurements to be performed within the time window. In some embodiments, the LMF provides time window configuration(s) to the target UE along with an indication of measurements that can be performed outside of the time window.
[0052] Particular embodiments are described more fully with reference to the accompanying drawings. Embodiments are provided by way of example to convey the scope of the subject matter to those skilled in the art.
[0053] Particular embodiments are described with respect to an example scenario which comprises a UE, network node 1 (NW1) that may be a serving transmission reception point (TRP), reference TRP, or neighbor TRP transmitting reference signal for positioning measurements such as a positioning reference signal (PRS), and network node 2 (NW2) that may comprise a location server in the network that provides assistance data to the UE for positioning measurements. Positioning measurements may be one of the reference signal time difference (RSTD), UE Rx-Tx, RSTD + carrier phase difference, and/or UE Rx-Tx + carrier phase measurement.
[0054] The UE may also interchangeably be referred to as a target device, wireless device, etc. The TRP may also interchangeably be referred to as a base station, access point, gNB, eNB, satellite access node (SAN), high altitude platform station (HAPS), integrated access and backhaul (IAB) node, etc. The location server may also interchangeably be referred to as a positioning node, serving mobile location center (SMLC), evolved SMLC (E-SMLC), LMF, etc.
[0055] NW2 provides assistance data to UE via higher layer signaling, e.g. Long-Term Evolution (LTE) Positioning Protocol (LPP) messages. The UE reports positioning measurement to NW2 after performing the positioning measurement based on the configuration/assistance data provided to the UE by NW2. The UE may be in any of the Radio Resource Control (RRC) states (e.g., either of RRC_CONNECTED, RRC_INACTIVE, and RRC_IDLE states) when performing
the positioning measurements configured by NW2. The assistance data provided by NW2 to the UE remains valid regardless of RRC state of the UE while the UE is performing positioning measurements configured by NW2. NW2 is aware of the positioning frequency layer (PFL) used by NW1 to transmit the reference signal for positioning measurements.
[0056] The term positioning frequency layer is also referred to as carrier frequency, component carrier (CC), frequency layer, serving carrier, frequency channel, etc. The PFL belongs to a certain frequency band, which may contain one or multiple PFLs/carrier frequencies based on its passband (e.g., size of the band in frequency domain) and/or bandwidth of the carriers and/or the channel raster, etc. The PFL/carrier frequency related information is transmitted to the UE by a network node using a channel number or identifier via message, e.g. RRC. Examples of the channel number or identifier, which may be pre-defined, are absolute radio frequency channel number (ARFCN), NR-ARFCN, PFL identifier, absoluteFrequencyPointA (the absolute frequency position of the reference resource block) and number of physical resource blocks (PRBs), etc.
[0057] A first group of embodiments includes configuring a time window to a UE for positioning measurements. Depending on the UE capability, the LMF configures time window(s) valid for a specific measurement or a set of measurements where one of the measurements is the carrier phase measurement for positioning.
[0058] In one example, the LMF configures the UE to perform only carrier phase measurement within the configured time window. Examples of such measurements are downlink (DL) reference signal carrier phase difference (RSCPD) or DL reference signal carrier phase (RSCP) measurements.
[0059] In another example, the LMF configures the UE to perform only timing measurements within the configured time window. Examples of such measurements are RSTD or UE Rx-Tx time difference measurements.
[0060] In another example, the LMF configures the UE to perform a set of measurements within the configured time window. Examples of the measurements that can be configured to be performed within the configured time window include DL RSCPD + RSTD or DL RSCP + UE Rx-Tx time difference measurement.
[0061] Figure 2 is a flowchart illustrating example steps performed by a network node.
[0062] A second group of embodiments include performing measurements and reporting to the network node.
[0063] A UE reports its capability in terms of positioning measurements that the UE can support and can perform within a time window, e.g.: single measurements such as: RTT UE Rx-
Tx, RSTD, RSRP, RSCP, RSCPD or combination of multiple measurements such as UE Rx-Tx and RSCP. After capability reporting, the UE receives time window(s) configuration(s) from the network with an indication of the measurement(s) to be performed within the configured time window(s).
[0064] In one example, the UE receives time window configuration from the LMF with an indication to only perform carrier phase measurement within the configured time window. Examples of such measurements are DL RSCPD or DL RSCP measurements.
[0065] In one example, the UE receives time window configuration from the LMF with an indication to only perform timing measurement within the configured time window. Examples of such measurements are RSTD or UE Rx-Tx measurements.
[0066] In one example, the UE receives time window configuration from the LMF with an indication of the measurements to be performed within the configured time window. Examples of such measurements are RSTD + RSCPD or UE Rx-Tx + RSCP measurements, etc.
[0067] Figure 3 is a flowchart illustrating example steps performed by a wireless device, such as a UE.
[0068] A third group of embodiments include failure handling. A UE may not be able to perform the measurements as specified/configured by the network node (e.g., LMF). In such case, the UE may report a failure reason. The failure reason may also indicate the reason of failure or if measurements were performed but performed outside of the window. The failure reason may be not sufficient time duration to perform all measurements or any other failure or error message indicating the reason.
[0069] Example implementation from TS 37.355 vl8.1.0
The IE NR-DL-PRS-MeasurementTimeWindowsConfig provides a set of indicated time window(s) which is configured for the target device to perform measurements on indicated DL- PRS Resource Set(s) occurring within indicated time window(s).
; nr-MeasurementsToPerfromlnTimeWindow i This field indicates the measurements that UE shall perform in the configured time window.
The IE NR-DL-TDOA-MeasurementCapability defines the DL-TDOA measurement capability.
The UE can include this IE only if the UE supports NR-DL-PRS-ResourcesCapability for DL- TDOA. Otherwise, the UE does not include this IE.
supportedMeasurementsInTimeWindow
This field indicates the supported measurements that UE supports in the configured time window. If multiple bits are set to 1 , then UE supports multiple measurements in same time window. supportedMeasurementsInTimeWindow
This field indicates the supported measurements that UE supports in the configured time window. Value dl-tdoa implies UE supports DL-TDOA (RSTD) measurements in time window, value carrierPhaseMeas implies UE supports carrier phase measurements, dl- tdoaPlusCarrierPhaseMeasInSameTimeWindow implies both are supported in same time window, dl-tdoaAndCarrierPhaseMeasButNotSameTimeWindow implies both are supported but cannot be supported in same time window.
When multiple measurements have been configured, network should provide sufficient duration in time window for the UE to complete the measurements.
The IE NR-DL-AoD-TargetDeviceErrorCauses is used by the target device to provide NR DL-
AoD error reasons to the location server.
[ NR-DL-AoD-TargetDeviceErrorCauses field descriptions remoteUE-Indication
; This field indicates whether the target device in NR access is configured as a L2 U2N Remote
LUE.
The examples above are applicable at least for DL-TDOA, Multi-RTT and DL-AoD positioning methods as specified in LPP specification TS 37.355 and TS 38.305.
[0070] Figure 4 shows an example of a communication system 100 in accordance with some embodiments. In the example, the communication system 100 includes a telecommunication network 102 that includes an access network 104, such as a radio access network (RAN), and a core network 106, which includes one or more core network nodes 108. The access network 104 includes one or more access network nodes, such as network nodes 110a and 110b (one or more of which may be generally referred to as network nodes 110), or any other similar 3rd Generation Partnership Project (3GPP) access node or non-3GPP access point. The network nodes 110 facilitate direct or indirect connection of user equipment (UE), such as by connecting UEs 112a, 112b, 112c, and 112d (one or more of which may be generally referred to as UEs 112) to the core network 106 over one or more wireless connections.
[0071] Example wireless communications over a wireless connection include transmitting and/or receiving wireless signals using electromagnetic waves, radio waves, infrared waves, and/or other types of signals suitable for conveying information without the use of wires, cables, or other material conductors. Moreover, in different embodiments, the communication system 100 may include any number of wired or wireless networks, network nodes, UEs, and/or any other components or systems that may facilitate or participate in the communication of data and/or signals whether via wired or wireless connections. The communication system 100 may include and/or interface with any type of communication, telecommunication, data, cellular, radio network, and/or other similar type of system.
[0072] The UEs 112 may be any of a wide variety of communication devices, including wireless devices arranged, configured, and/or operable to communicate wirelessly with the network nodes 110 and other communication devices. Similarly, the network nodes 110 are arranged, capable, configured, and/or operable to communicate directly or indirectly with the UEs 112 and/or with other network nodes or equipment in the telecommunication network 102 to enable and/or provide network access, such as wireless network access, and/or to perform other functions, such as administration in the telecommunication network 102.
[0073] In the depicted example, the core network 106 connects the network nodes 110 to one or more hosts, such as host 116. These connections may be direct or indirect via one or more intermediary networks or devices. In other examples, network nodes may be directly coupled to hosts. The core network 106 includes one more core network nodes (e.g., core network node 108) that are structured with hardware and software components. Features of these components may be substantially similar to those described with respect to the UEs, network nodes, and/or hosts, such that the descriptions thereof are generally applicable to the corresponding components of the core network node 108. Example core network nodes include functions of one or more of a Mobile Switching Center (MSC), Mobility Management Entity (MME), Home Subscriber Server (HSS), Access and Mobility Management Function (AMF), Session Management Function (SMF), Authentication Server Function (AUSF), Subscription Identifier De-concealing function (SIDE), Unified Data Management (UDM), Security Edge Protection Proxy (SEPP), Network Exposure Function (NEF), and/or a User Plane Function (UPF).
[0074] The host 116 may be under the ownership or control of a service provider other than an operator or provider of the access network 104 and/or the telecommunication network 102, and may be operated by the service provider or on behalf of the service provider. The host 116 may host a variety of applications to provide one or more service. Examples of such applications include live and pre-recorded audio/video content, data collection services such as retrieving and
compiling data on various ambient conditions detected by a plurality of UEs, analytics functionality, social media, functions for controlling or otherwise interacting with remote devices, functions for an alarm and surveillance center, or any other such function performed by a server.
[0075] As a whole, the communication system 100 of Figure 4 enables connectivity between the UEs, network nodes, and hosts. In that sense, the communication system may be configured to operate according to predefined rules or procedures, such as specific standards that include, but are not limited to: Global System for Mobile Communications (GSM); Universal Mobile Telecommunications System (UMTS); Long Term Evolution (LTE), and/or other suitable 2G, 3G, 4G, 5G standards, or any applicable future generation standard (e.g., 6G); wireless local area network (WLAN) standards, such as the Institute of Electrical and Electronics Engineers (IEEE) 802.11 standards (WiFi); and/or any other appropriate wireless communication standard, such as the Worldwide Interoperability for Microwave Access (WiMax), Bluetooth, Z-Wave, Near Field Communication (NFC) ZigBee, LiFi, and/or any low-power wide-area network (LPWAN) standards such as LoRa and Sigfox.
[0076] In some examples, the telecommunication network 102 is a cellular network that implements 3GPP standardized features. Accordingly, the telecommunications network 102 may support network slicing to provide different logical networks to different devices that are connected to the telecommunication network 102. For example, the telecommunications network 102 may provide Ultra Reliable Low Latency Communication (URLLC) services to some UEs, while providing Enhanced Mobile Broadband (eMBB) services to other UEs, and/or Massive Machine Type Communication (mMTC)/Massive loT services to yet further UEs.
[0077] In some examples, the UEs 112 are configured to transmit and/or receive information without direct human interaction. For instance, a UE may be designed to transmit information to the access network 104 on a predetermined schedule, when triggered by an internal or external event, or in response to requests from the access network 104. Additionally, a UE may be configured for operating in single- or multi-RAT or multi-standard mode. For example, a UE may operate with any one or combination of Wi-Fi, NR (New Radio) and LTE, i.e. being configured for multi-radio dual connectivity (MR-DC), such as E-UTRAN (Evolved-UMTS Terrestrial Radio Access Network) New Radio - Dual Connectivity (EN-DC).
[0078] In the example, the hub 114 communicates with the access network 104 to facilitate indirect communication between one or more UEs (e.g., UE 112c and/or 112d) and network nodes (e.g., network node 110b). In some examples, the hub 114 may be a controller, router, content source and analytics, or any of the other communication devices described herein regarding UEs. For example, the hub 114 may be a broadband router enabling access to the core network 106 for
the UEs. As another example, the hub 114 may be a controller that sends commands or instructions to one or more actuators in the UEs. Commands or instructions may be received from the UEs, network nodes 110, or by executable code, script, process, or other instructions in the hub 114. As another example, the hub 114 may be a data collector that acts as temporary storage for UE data and, in some embodiments, may perform analysis or other processing of the data. As another example, the hub 114 may be a content source. For example, for a UE that is a VR headset, display, loudspeaker or other media delivery device, the hub 114 may retrieve VR assets, video, audio, or other media or data related to sensory information via a network node, which the hub 114 then provides to the UE either directly, after performing local processing, and/or after adding additional local content. In still another example, the hub 114 acts as a proxy server or orchestrator for the UEs, in particular in if one or more of the UEs are low energy loT devices.
[0079] The hub 114 may have a constant/persistent or intermittent connection to the network node 110b. The hub 114 may also allow for a different communication scheme and/or schedule between the hub 114 and UEs (e.g., UE 112c and/or 112d), and between the hub 114 and the core network 106. In other examples, the hub 114 is connected to the core network 106 and/or one or more UEs via a wired connection. Moreover, the hub 114 may be configured to connect to an M2M service provider over the access network 104 and/or to another UE over a direct connection. In some scenarios, UEs may establish a wireless connection with the network nodes 110 while still connected via the hub 114 via a wired or wireless connection. In some embodiments, the hub 114 may be a dedicated hub - that is, a hub whose primary function is to route communications to/from the UEs from/to the network node 110b. In other embodiments, the hub 114 may be a nondedicated hub - that is, a device which is capable of operating to route communications between the UEs and network node 110b, but which is additionally capable of operating as a communication start and/or end point for certain data channels.
[0080] Figure 5 shows a UE 200 in accordance with some embodiments. As used herein, a UE refers to a device capable, configured, arranged and/or operable to communicate wirelessly with network nodes and/or other UEs. Examples of a UE include, but are not limited to, a smart phone, mobile phone, cell phone, voice over IP (VoIP) phone, wireless local loop phone, desktop computer, personal digital assistant (PDA), wireless cameras, gaming console or device, music storage device, playback appliance, wearable terminal device, wireless endpoint, mobile station, tablet, laptop, laptop-embedded equipment (LEE), laptop-mounted equipment (LME), smart device, wireless customer-premise equipment (CPE), vehicle-mounted or vehicle embedded/integrated wireless device, etc. Other examples include any UE identified by the 3rd
Generation Partnership Project (3GPP), including a narrow band internet of things (NB-IoT) UE, a machine type communication (MTC) UE, and/or an enhanced MTC (eMTC) UE.
[0081] A UE may support device-to-device (D2D) communication, for example by implementing a 3GPP standard for sidelink communication, Dedicated Short-Range Communication (DSRC), vehicle-to-vehicle (V2V), vehicle-to-infrastructure (V2I), or vehicle-to- everything (V2X). In other examples, a UE may not necessarily have a user in the sense of a human user who owns and/or operates the relevant device. Instead, a UE may represent a device that is intended for sale to, or operation by, a human user but which may not, or which may not initially, be associated with a specific human user (e.g., a smart sprinkler controller). Alternatively, a UE may represent a device that is not intended for sale to, or operation by, an end user but which may be associated with or operated for the benefit of a user (e.g., a smart power meter).
[0082] The UE 200 includes processing circuitry 202 that is operatively coupled via a bus 204 to an input/output interface 206, a power source 208, a memory 210, a communication interface 212, and/or any other component, or any combination thereof. Certain UEs may utilize all or a subset of the components shown in Figure 2. The level of integration between the components may vary from one UE to another UE. Further, certain UEs may contain multiple instances of a component, such as multiple processors, memories, transceivers, transmitters, receivers, etc.
[0083] The processing circuitry 202 is configured to process instructions and data and may be configured to implement any sequential state machine operative to execute instructions stored as machine-readable computer programs in the memory 210. The processing circuitry 202 may be implemented as one or more hardware-implemented state machines (e.g., in discrete logic, field- programmable gate arrays (FPGAs), application specific integrated circuits (ASICs), etc.); programmable logic together with appropriate firmware; one or more stored computer programs, general-purpose processors, such as a microprocessor or digital signal processor (DSP), together with appropriate software; or any combination of the above. For example, the processing circuitry 202 may include multiple central processing units (CPUs).
[0084] In the example, the input/output interface 206 may be configured to provide an interface or interfaces to an input device, output device, or one or more input and/or output devices. Examples of an output device include a speaker, a sound card, a video card, a display, a monitor, a printer, an actuator, an emitter, a smartcard, another output device, or any combination thereof. An input device may allow a user to capture information into the UE 200. Examples of an input device include a touch-sensitive or presence- sensitive display, a camera (e.g., a digital camera, a digital video camera, a web camera, etc.), a microphone, a sensor, a mouse, a trackball, a directional pad, a trackpad, a scroll wheel, a smartcard, and the like. The presence-sensitive display
may include a capacitive or resistive touch sensor to sense input from a user. A sensor may be, for instance, an accelerometer, a gyroscope, a tilt sensor, a force sensor, a magnetometer, an optical sensor, a proximity sensor, a biometric sensor, etc., or any combination thereof. An output device may use the same type of interface port as an input device. For example, a Universal Serial Bus (USB) port may be used to provide an input device and an output device.
[0085] In some embodiments, the power source 208 is structured as a battery or battery pack. Other types of power sources, such as an external power source (e.g., an electricity outlet), photovoltaic device, or power cell, may be used. The power source 208 may further include power circuitry for delivering power from the power source 208 itself, and/or an external power source, to the various parts of the UE 200 via input circuitry or an interface such as an electrical power cable. Delivering power may be, for example, for charging of the power source 208. Power circuitry may perform any formatting, converting, or other modification to the power from the power source 208 to make the power suitable for the respective components of the UE 200 to which power is supplied.
[0086] The memory 210 may be or be configured to include memory such as random access memory (RAM), read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), magnetic disks, optical disks, hard disks, removable cartridges, flash drives, and so forth. In one example, the memory 210 includes one or more application programs 214, such as an operating system, web browser application, a widget, gadget engine, or other application, and corresponding data 216. The memory 210 may store, for use by the UE 200, any of a variety of various operating systems or combinations of operating systems.
[0087] The memory 210 may be configured to include a number of physical drive units, such as redundant array of independent disks (RAID), flash memory, USB flash drive, external hard disk drive, thumb drive, pen drive, key drive, high-density digital versatile disc (HD-DVD) optical disc drive, internal hard disk drive, Blu-Ray optical disc drive, holographic digital data storage (HDDS) optical disc drive, external mini-dual in-line memory module (DIMM), synchronous dynamic random access memory (SDRAM), external micro-DIMM SDRAM, smartcard memory such as tamper resistant module in the form of a universal integrated circuit card (UICC) including one or more subscriber identity modules (SIMs), such as a USIM and/or ISIM, other memory, or any combination thereof. The UICC may for example be an embedded UICC (eUICC), integrated UICC (iUICC) or a removable UICC commonly known as ‘SIM card.’ The memory 210 may allow the UE 200 to access instructions, application programs and the like, stored on transitory or non-transitory memory media, to off-load data, or to upload data. An article of manufacture, such
as one utilizing a communication system may be tangibly embodied as or in the memory 210, which may be or comprise a device-readable storage medium.
[0088] The processing circuitry 202 may be configured to communicate with an access network or other network using the communication interface 212. The communication interface 212 may comprise one or more communication subsystems and may include or be communicatively coupled to an antenna 222. The communication interface 212 may include one or more transceivers used to communicate, such as by communicating with one or more remote transceivers of another device capable of wireless communication (e.g., another UE or a network node in an access network). Each transceiver may include a transmitter 218 and/or a receiver 220 appropriate to provide network communications (e.g., optical, electrical, frequency allocations, and so forth). Moreover, the transmitter 218 and receiver 220 may be coupled to one or more antennas (e.g., antenna 222) and may share circuit components, software or firmware, or alternatively be implemented separately.
[0089] In the illustrated embodiment, communication functions of the communication interface 212 may include cellular communication, Wi-Fi communication, LPWAN communication, data communication, voice communication, multimedia communication, short- range communications such as Bluetooth, near-field communication, location-based communication such as the use of the global positioning system (GPS) to determine a location, another like communication function, or any combination thereof. Communications may be implemented in according to one or more communication protocols and/or standards, such as IEEE 802.11, Code Division Multiplexing Access (CDMA), Wideband Code Division Multiple Access (WCDMA), GSM, LTE, New Radio (NR), UMTS, WiMax, Ethernet, transmission control protocol/internet protocol (TCP/IP), synchronous optical networking (SONET), Asynchronous Transfer Mode (ATM), QUIC, Hypertext Transfer Protocol (HTTP), and so forth.
[0090] Regardless of the type of sensor, a UE may provide an output of data captured by its sensors, through its communication interface 212, via a wireless connection to a network node. Data captured by sensors of a UE can be communicated through a wireless connection to a network node via another UE. The output may be periodic (e.g., once every 15 minutes if it reports the sensed temperature), random (e.g., to even out the load from reporting from several sensors), in response to a triggering event (e.g., when moisture is detected an alert is sent), in response to a request (e.g., a user initiated request), or a continuous stream (e.g., a live video feed of a patient). [0091] As another example, a UE comprises an actuator, a motor, or a switch, related to a communication interface configured to receive wireless input from a network node via a wireless connection. In response to the received wireless input the states of the actuator, the motor, or the
switch may change. For example, the UE may comprise a motor that adjusts the control surfaces or rotors of a drone in flight according to the received input or to a robotic arm performing a medical procedure according to the received input.
[0092] A UE, when in the form of an Internet of Things (loT) device, may be a device for use in one or more application domains, these domains comprising, but not limited to, city wearable technology, extended industrial application and healthcare. Non-limiting examples of such an loT device are a device which is or which is embedded in: a connected refrigerator or freezer, a TV, a connected lighting device, an electricity meter, a robot vacuum cleaner, a voice controlled smart speaker, a home security camera, a motion detector, a thermostat, a smoke detector, a door/window sensor, a flood/moisture sensor, an electrical door lock, a connected doorbell, an air conditioning system like a heat pump, an autonomous vehicle, a surveillance system, a weather monitoring device, a vehicle parking monitoring device, an electric vehicle charging station, a smart watch, a fitness tracker, a head-mounted display for Augmented Reality (AR) or Virtual Reality (VR), a wearable for tactile augmentation or sensory enhancement, a water sprinkler, an animal- or itemtracking device, a sensor for monitoring a plant or animal, an industrial robot, an Unmanned Aerial Vehicle (UAV), and any kind of medical device, like a heart rate monitor or a remote controlled surgical robot. A UE in the form of an loT device comprises circuitry and/or software in dependence of the intended application of the loT device in addition to other components as described in relation to the UE 200 shown in Figure 2.
[0093] As yet another specific example, in an loT scenario, a UE may represent a machine or other device that performs monitoring and/or measurements, and transmits the results of such monitoring and/or measurements to another UE and/or a network node. The UE may in this case be an M2M device, which may in a 3GPP context be referred to as an MTC device. As one particular example, the UE may implement the 3GPP NB-IoT standard. In other scenarios, a UE may represent a vehicle, such as a car, a bus, a truck, a ship and an airplane, or other equipment that is capable of monitoring and/or reporting on its operational status or other functions associated with its operation.
[0094] In practice, any number of UEs may be used together with respect to a single use case. For example, a first UE might be or be integrated in a drone and provide the drone’s speed information (obtained through a speed sensor) to a second UE that is a remote controller operating the drone. When the user makes changes from the remote controller, the first UE may adjust the throttle on the drone (e.g. by controlling an actuator) to increase or decrease the drone’s speed. The first and/or the second UE can also include more than one of the functionalities described
above. For example, a UE might comprise the sensor and the actuator, and handle communication of data for both the speed sensor and the actuators.
[0095] Figure 6 shows a network node 300 in accordance with some embodiments. As used herein, network node refers to equipment capable, configured, arranged and/or operable to communicate directly or indirectly with a UE and/or with other network nodes or equipment, in a telecommunication network. Examples of network nodes include, but are not limited to, access points (APs) (e.g., radio access points), base stations (BSs) (e.g., radio base stations, Node Bs, evolved Node Bs (eNBs) and NR NodeBs (gNBs)).
[0096] Base stations may be categorized based on the amount of coverage they provide (or, stated differently, their transmit power level) and so, depending on the provided amount of coverage, may be referred to as femto base stations, pico base stations, micro base stations, or macro base stations. A base station may be a relay node or a relay donor node controlling a relay. A network node may also include one or more (or all) parts of a distributed radio base station such as centralized digital units and/or remote radio units (RRUs), sometimes referred to as Remote Radio Heads (RRHs). Such remote radio units may or may not be integrated with an antenna as an antenna integrated radio. Parts of a distributed radio base station may also be referred to as nodes in a distributed antenna system (DAS).
[0097] Other examples of network nodes include multiple transmission point (multi-TRP) 5G access nodes, multi-standard radio (MSR) equipment such as MSR BSs, network controllers such as radio network controllers (RNCs) or base station controllers (BSCs), base transceiver stations (BTSs), transmission points, transmission nodes, multi-cell/multicast coordination entities (MCEs), Operation and Maintenance (O&M) nodes, Operations Support System (OSS) nodes, Self-Organizing Network (SON) nodes, positioning nodes (e.g., Evolved Serving Mobile Location Centers (E-SMLCs)), and/or Minimization of Drive Tests (MDTs).
[0098] The network node 300 includes a processing circuitry 302, a memory 304, a communication interface 306, and a power source 308. The network node 300 may be composed of multiple physically separate components (e.g., a NodeB component and a RNC component, or a BTS component and a BSC component, etc.), which may each have their own respective components. In certain scenarios in which the network node 300 comprises multiple separate components (e.g., BTS and BSC components), one or more of the separate components may be shared among several network nodes. For example, a single RNC may control multiple NodeBs. In such a scenario, each unique NodeB and RNC pair, may in some instances be considered a single separate network node. In some embodiments, the network node 300 may be configured to support multiple radio access technologies (RATs). In such embodiments, some components may
be duplicated (e.g., separate memory 304 for different RATs) and some components may be reused (e.g., a same antenna 310 may be shared by different RATs). The network node 300 may also include multiple sets of the various illustrated components for different wireless technologies integrated into network node 300, for example GSM, WCDMA, LTE, NR, WiFi, Zigbee, Z-wave, LoRaWAN, Radio Frequency Identification (RFID) or Bluetooth wireless technologies. These wireless technologies may be integrated into the same or different chip or set of chips and other components within network node 300.
[0099] The processing circuitry 302 may comprise a combination of one or more of a microprocessor, controller, microcontroller, central processing unit, digital signal processor, application- specific integrated circuit, field programmable gate array, or any other suitable computing device, resource, or combination of hardware, software and/or encoded logic operable to provide, either alone or in conjunction with other network node 300 components, such as the memory 304, to provide network node 300 functionality.
[0100] In some embodiments, the processing circuitry 302 includes a system on a chip (SOC). In some embodiments, the processing circuitry 302 includes one or more of radio frequency (RF) transceiver circuitry 312 and baseband processing circuitry 314. In some embodiments, the radio frequency (RF) transceiver circuitry 312 and the baseband processing circuitry 314 may be on separate chips (or sets of chips), boards, or units, such as radio units and digital units. In alternative embodiments, part or all of RF transceiver circuitry 312 and baseband processing circuitry 314 may be on the same chip or set of chips, boards, or units.
[0101] The memory 304 may comprise any form of volatile or non-volatile computer-readable memory including, without limitation, persistent storage, solid-state memory, remotely mounted memory, magnetic media, optical media, random access memory (RAM), read-only memory (ROM), mass storage media (for example, a hard disk), removable storage media (for example, a flash drive, a Compact Disk (CD) or a Digital Video Disk (DVD)), and/or any other volatile or non-volatile, non-transitory device-readable and/or computer-executable memory devices that store information, data, and/or instructions that may be used by the processing circuitry 302. The memory 304 may store any suitable instructions, data, or information, including a computer program, software, an application including one or more of logic, rules, code, tables, and/or other instructions capable of being executed by the processing circuitry 302 and utilized by the network node 300. The memory 304 may be used to store any calculations made by the processing circuitry 302 and/or any data received via the communication interface 306. In some embodiments, the processing circuitry 302 and memory 304 is integrated.
[0102] The communication interface 306 is used in wired or wireless communication of signaling and/or data between a network node, access network, and/or UE. As illustrated, the communication interface 306 comprises port(s)/terminal(s) 316 to send and receive data, for example to and from a network over a wired connection. The communication interface 306 also includes radio front-end circuitry 318 that may be coupled to, or in certain embodiments a part of, the antenna 310. Radio front-end circuitry 318 comprises filters 320 and amplifiers 322. The radio front-end circuitry 318 may be connected to an antenna 310 and processing circuitry 302. The radio front-end circuitry may be configured to condition signals communicated between antenna 310 and processing circuitry 302. The radio front-end circuitry 318 may receive digital data that is to be sent out to other network nodes or UEs via a wireless connection. The radio front-end circuitry 318 may convert the digital data into a radio signal having the appropriate channel and bandwidth parameters using a combination of filters 320 and/or amplifiers 322. The radio signal may then be transmitted via the antenna 310. Similarly, when receiving data, the antenna 310 may collect radio signals which are then converted into digital data by the radio front-end circuitry 318. The digital data may be passed to the processing circuitry 302. In other embodiments, the communication interface may comprise different components and/or different combinations of components.
[0103] In certain alternative embodiments, the network node 300 does not include separate radio front-end circuitry 318, instead, the processing circuitry 302 includes radio front-end circuitry and is connected to the antenna 310. Similarly, in some embodiments, all or some of the RF transceiver circuitry 312 is part of the communication interface 306. In still other embodiments, the communication interface 306 includes one or more ports or terminals 316, the radio front-end circuitry 318, and the RF transceiver circuitry 312, as part of a radio unit (not shown), and the communication interface 306 communicates with the baseband processing circuitry 314, which is part of a digital unit (not shown).
[0104] The antenna 310 may include one or more antennas, or antenna arrays, configured to send and/or receive wireless signals. The antenna 310 may be coupled to the radio front-end circuitry 318 and may be any type of antenna capable of transmitting and receiving data and/or signals wirelessly. In certain embodiments, the antenna 310 is separate from the network node 300 and connectable to the network node 300 through an interface or port.
[0105] The antenna 310, communication interface 306, and/or the processing circuitry 302 may be configured to perform any receiving operations and/or certain obtaining operations described herein as being performed by the network node. Any information, data and/or signals may be received from a UE, another network node and/or any other network equipment. Similarly,
the antenna 310, the communication interface 306, and/or the processing circuitry 302 may be configured to perform any transmitting operations described herein as being performed by the network node. Any information, data and/or signals may be transmitted to a UE, another network node and/or any other network equipment.
[0106] The power source 308 provides power to the various components of network node 300 in a form suitable for the respective components (e.g., at a voltage and current level needed for each respective component). The power source 308 may further comprise, or be coupled to, power management circuitry to supply the components of the network node 300 with power for performing the functionality described herein. For example, the network node 300 may be connectable to an external power source (e.g., the power grid, an electricity outlet) via an input circuitry or interface such as an electrical cable, whereby the external power source supplies power to power circuitry of the power source 308. As a further example, the power source 308 may comprise a source of power in the form of a battery or battery pack which is connected to, or integrated in, power circuitry. The battery may provide backup power should the external power source fail.
[0107] Embodiments of the network node 300 may include additional components beyond those shown in Figure 6 for providing certain aspects of the network node’s functionality, including any of the functionality described herein and/or any functionality necessary to support the subject matter described herein. For example, the network node 300 may include user interface equipment to allow input of information into the network node 300 and to allow output of information from the network node 300. This may allow a user to perform diagnostic, maintenance, repair, and other administrative functions for the network node 300.
[0108] Figure 7 is a block diagram of a host 400, which may be an embodiment of the host 116 of Figure 4, in accordance with various aspects described herein. As used herein, the host 400 may be or comprise various combinations hardware and/or software, including a standalone server, a blade server, a cloud-implemented server, a distributed server, a virtual machine, container, or processing resources in a server farm. The host 400 may provide one or more services to one or more UEs.
[0109] The host 400 includes processing circuitry 402 that is operatively coupled via a bus 404 to an input/output interface 406, a network interface 408, a power source 410, and a memory 412. Other components may be included in other embodiments. Features of these components may be substantially similar to those described with respect to the devices of previous figures, such as Figures 10 and 3, such that the descriptions thereof are generally applicable to the corresponding components of host 400.
[0110] The memory 412 may include one or more computer programs including one or more host application programs 414 and data 416, which may include user data, e.g., data generated by a UE for the host 400 or data generated by the host 400 for a UE. Embodiments of the host 400 may utilize only a subset or all of the components shown. The host application programs 414 may be implemented in a container-based architecture and may provide support for video codecs (e.g., Versatile Video Coding (VVC), High Efficiency Video Coding (HEVC), Advanced Video Coding (AVC), MPEG, VP9) and audio codecs (e.g., FLAC, Advanced Audio Coding (AAC), MPEG, G.711), including transcoding for multiple different classes, types, or implementations of UEs (e.g., handsets, desktop computers, wearable display systems, heads-up display systems). The host application programs 414 may also provide for user authentication and licensing checks and may periodically report health, routes, and content availability to a central node, such as a device in or on the edge of a core network. Accordingly, the host 400 may select and/or indicate a different host for over-the-top services for a UE. The host application programs 414 may support various protocols, such as the HTTP Live Streaming (HLS) protocol, Real-Time Messaging Protocol (RTMP), Real-Time Streaming Protocol (RTSP), Dynamic Adaptive Streaming over HTTP (MPEG-DASH), etc.
[0111] Figure 8 is a block diagram illustrating a virtualization environment 500 in which functions implemented by some embodiments may be virtualized. In the present context, virtualizing means creating virtual versions of apparatuses or devices which may include virtualizing hardware platforms, storage devices and networking resources. As used herein, virtualization can be applied to any device described herein, or components thereof, and relates to an implementation in which at least a portion of the functionality is implemented as one or more virtual components. Some or all of the functions described herein may be implemented as virtual components executed by one or more virtual machines (VMs) implemented in one or more virtual environments 500 hosted by one or more of hardware nodes, such as a hardware computing device that operates as a network node, UE, core network node, or host. Further, in embodiments in which the virtual node does not require radio connectivity (e.g., a core network node or host), then the node may be entirely virtualized.
[0112] Applications 502 (which may alternatively be called software instances, virtual appliances, network functions, virtual nodes, virtual network functions, etc.) are run in the virtualization environment Q400 to implement some of the features, functions, and/or benefits of some of the embodiments disclosed herein.
[0113] Hardware 504 includes processing circuitry, memory that stores software and/or instructions executable by hardware processing circuitry, and/or other hardware devices as
described herein, such as a network interface, input/output interface, and so forth. Software may be executed by the processing circuitry to instantiate one or more virtualization layers 506 (also referred to as hypervisors or virtual machine monitors (VMMs)), provide VMs 508a and 508b (one or more of which may be generally referred to as VMs 508), and/or perform any of the functions, features and/or benefits described in relation with some embodiments described herein. The virtualization layer 506 may present a virtual operating platform that appears like networking hardware to the VMs 508.
[0114] The VMs 508 comprise virtual processing, virtual memory, virtual networking or interface and virtual storage, and may be run by a corresponding virtualization layer 506. Different embodiments of the instance of a virtual appliance 502 may be implemented on one or more of VMs 508, and the implementations may be made in different ways. Virtualization of the hardware is in some contexts referred to as network function virtualization (NFV). NFV may be used to consolidate many network equipment types onto industry standard high volume server hardware, physical switches, and physical storage, which can be located in data centers, and customer premise equipment.
[0115] In the context of NFV, a VM 508 may be a software implementation of a physical machine that runs programs as if they were executing on a physical, non-virtualized machine. Each of the VMs 508, and that part of hardware 504 that executes that VM, be it hardware dedicated to that VM and/or hardware shared by that VM with others of the VMs, forms separate virtual network elements. Still in the context of NFV, a virtual network function is responsible for handling specific network functions that run in one or more VMs 508 on top of the hardware 504 and corresponds to the application 502.
[0116] Hardware 504 may be implemented in a standalone network node with generic or specific components. Hardware 504 may implement some functions via virtualization. Alternatively, hardware 504 may be part of a larger cluster of hardware (e.g. such as in a data center or CPE) where many hardware nodes work together and are managed via management and orchestration 510, which, among others, oversees lifecycle management of applications 502. In some embodiments, hardware 504 is coupled to one or more radio units that each include one or more transmitters and one or more receivers that may be coupled to one or more antennas. Radio units may communicate directly with other hardware nodes via one or more appropriate network interfaces and may be used in combination with the virtual components to provide a virtual node with radio capabilities, such as a radio access node or a base station. In some embodiments, some signaling can be provided with the use of a control system 512 which may alternatively be used for communication between hardware nodes and radio units.
[0117] Figure 9 shows a communication diagram of a host 602 communicating via a network node 604 with a UE 606 over a partially wireless connection in accordance with some embodiments. Example implementations, in accordance with various embodiments, of the UE (such as a UE 112a of Figure 4 and/or UE 200 of Figure 5), network node (such as network node 110a of Figure 4 and/or network node 300 of Figure 6), and host (such as host 116 of Figure 4 and/or host 400 of Figure 7) discussed in the preceding paragraphs will now be described with reference to Figure 9.
[0118] Like host 400, embodiments of host 602 include hardware, such as a communication interface, processing circuitry, and memory. The host 602 also includes software, which is stored in or accessible by the host 602 and executable by the processing circuitry. The software includes a host application that may be operable to provide a service to a remote user, such as the UE 606 connecting via an over-the-top (OTT) connection 650 extending between the UE 606 and host 602. In providing the service to the remote user, a host application may provide user data which is transmitted using the OTT connection 650.
[0119] The network node 604 includes hardware enabling it to communicate with the host 602 and UE 606. The connection 660 may be direct or pass through a core network (like core network 106 of Figure 4) and/or one or more other intermediate networks, such as one or more public, private, or hosted networks. For example, an intermediate network may be a backbone network or the Internet.
[0120] The UE 606 includes hardware and software, which is stored in or accessible by UE 606 and executable by the UE’s processing circuitry. The software includes a client application, such as a web browser or operator- specific “app” that may be operable to provide a service to a human or non-human user via UE 606 with the support of the host 602. In the host 602, an executing host application may communicate with the executing client application via the OTT connection 650 terminating at the UE 606 and host 602. In providing the service to the user, the UE’s client application may receive request data from the host's host application and provide user data in response to the request data. The OTT connection 650 may transfer both the request data and the user data. The UE’s client application may interact with the user to generate the user data that it provides to the host application through the OTT connection 650.
[0121] The OTT connection 650 may extend via a connection 660 between the host 602 and the network node 604 and via a wireless connection 670 between the network node 604 and the UE 606 to provide the connection between the host 602 and the UE 606. The connection 660 and wireless connection 670, over which the OTT connection 650 may be provided, have been drawn abstractly to illustrate the communication between the host 602 and the UE 606 via the network
node 604, without explicit reference to any intermediary devices and the precise routing of messages via these devices.
[0122] As an example of transmitting data via the OTT connection 650, in step 608, the host 602 provides user data, which may be performed by executing a host application. In some embodiments, the user data is associated with a particular human user interacting with the UE 606. In other embodiments, the user data is associated with a UE 606 that shares data with the host 602 without explicit human interaction. In step 610, the host 602 initiates a transmission carrying the user data towards the UE 606. The host 602 may initiate the transmission responsive to a request transmitted by the UE 606. The request may be caused by human interaction with the UE 606 or by operation of the client application executing on the UE 606. The transmission may pass via the network node 604, in accordance with the teachings of the embodiments described throughout this disclosure. Accordingly, in step 612, the network node 604 transmits to the UE 606 the user data that was carried in the transmission that the host 602 initiated, in accordance with the teachings of the embodiments described throughout this disclosure. In step 614, the UE 606 receives the user data carried in the transmission, which may be performed by a client application executed on the UE 606 associated with the host application executed by the host 602.
[0123] In some examples, the UE 606 executes a client application which provides user data to the host 602. The user data may be provided in reaction or response to the data received from the host 602. Accordingly, in step 616, the UE 606 may provide user data, which may be performed by executing the client application. In providing the user data, the client application may further consider user input received from the user via an input/output interface of the UE 606. Regardless of the specific manner in which the user data was provided, the UE 606 initiates, in step 618, transmission of the user data towards the host 602 via the network node 604. In step 620, in accordance with the teachings of the embodiments described throughout this disclosure, the network node 604 receives user data from the UE 606 and initiates transmission of the received user data towards the host 602. In step 622, the host 602 receives the user data carried in the transmission initiated by the UE 606.
[0124] One or more of the various embodiments improve the performance of OTT services provided to the UE 606 using the OTT connection 650, in which the wireless connection 670 forms the last segment. More precisely, the teachings of these embodiments may improve the data rate and latency and thereby provide benefits such as reduced user waiting time, better responsiveness, and better QoE.
[0125] In an example scenario, factory status information may be collected and analyzed by the host 602. As another example, the host 602 may process audio and video data which may have
been retrieved from a UE for use in creating maps. As another example, the host 602 may collect and analyze real-time data to assist in controlling vehicle congestion (e.g., controlling traffic lights). As another example, the host 602 may store surveillance video uploaded by a UE. As another example, the host 602 may store or control access to media content such as video, audio, VR or AR which it can broadcast, multicast or unicast to UEs. As other examples, the host 602 may be used for energy pricing, remote control of non-time critical electrical load to balance power generation needs, location services, presentation services (such as compiling diagrams etc. from data collected from remote devices), or any other function of collecting, retrieving, storing, analyzing and/or transmitting data.
[0126] In some examples, a measurement procedure may be provided for the purpose of monitoring data rate, latency and other factors on which the one or more embodiments improve. There may further be an optional network functionality for reconfiguring the OTT connection 650 between the host 602 and UE 606, in response to variations in the measurement results. The measurement procedure and/or the network functionality for reconfiguring the OTT connection may be implemented in software and hardware of the host 602 and/or UE 606. In some embodiments, sensors (not shown) may be deployed in or in association with other devices through which the OTT connection 650 passes; the sensors may participate in the measurement procedure by supplying values of the monitored quantities exemplified above, or supplying values of other physical quantities from which software may compute or estimate the monitored quantities. The reconfiguring of the OTT connection 650 may include message format, retransmission settings, preferred routing etc. ; the reconfiguring need not directly alter the operation of the network node 604. Such procedures and functionalities may be known and practiced in the art. In certain embodiments, measurements may involve proprietary UE signaling that facilitates measurements of throughput, propagation times, latency and the like, by the host 602. The measurements may be implemented in that software causes messages to be transmitted, in particular empty or ‘dummy’ messages, using the OTT connection 650 while monitoring propagation times, errors, etc.
[0127] Although the computing devices described herein (e.g., UEs, network nodes, hosts) may include the illustrated combination of hardware components, other embodiments may comprise computing devices with different combinations of components. It is to be understood that these computing devices may comprise any suitable combination of hardware and/or software needed to perform the tasks, features, functions and methods disclosed herein. Determining, calculating, obtaining or similar operations described herein may be performed by processing circuitry, which may process information by, for example, converting the obtained information into other information, comparing the obtained information or converted information to
information stored in the network node, and/or performing one or more operations based on the obtained information or converted information, and as a result of said processing making a determination. Moreover, while components are depicted as single boxes located within a larger box, or nested within multiple boxes, in practice, computing devices may comprise multiple different physical components that make up a single illustrated component, and functionality may be partitioned between separate components. For example, a communication interface may be configured to include any of the components described herein, and/or the functionality of the components may be partitioned between the processing circuitry and the communication interface. In another example, non-computationally intensive functions of any of such components may be implemented in software or firmware and computationally intensive functions may be implemented in hardware.
[0128] In certain embodiments, some or all of the functionality described herein may be provided by processing circuitry executing instructions stored on in memory, which in certain embodiments may be a computer program product in the form of a non-transitory computer- readable storage medium. In alternative embodiments, some or all of the functionality may be provided by the processing circuitry without executing instructions stored on a separate or discrete device-readable storage medium, such as in a hard-wired manner. In any of those particular embodiments, whether executing instructions stored on a non-transitory computer-readable storage medium or not, the processing circuitry can be configured to perform the described functionality. The benefits provided by such functionality are not limited to the processing circuitry alone or to other components of the computing device, but are enjoyed by the computing device as a whole, and/or by end users and a wireless network generally.
[0129] Figure 10 is a flowchart illustrating an example method 1000 in a wireless device, according to certain embodiments. In particular embodiments, one or more steps of Figure 10 may be performed by UE 200 described with respect to Figure 5.
[0130] The method may begin at step 1012, where the wireless device (e.g., UE 200) reports a capability of the wireless device for performing one or more positioning measurements within a time window to a network node (e.g., network node 300). An example is described with respect to the supportedMeasurementsInTimeWindow information element described above. The network node may use the capability information to determine a suitable positioning measurement configuration for the wireless device.
[0131] At step 1014, the wireless device receives, from the network node, a positioning measurement configuration. The positioning measurement configuration comprises an indication
of a time window for performing one or more positioning measurements and an (explicit) indication of what one or more positioning measurements to perform in the time window.
[0132] In particular embodiments, the one or more positioning measurements to perform in the indicated time window comprise one or more carrier phase positioning measurements and/or one or more timing positioning measurements. The carrier phase measurements may comprise any one or more of a downlink reference signal carrier phase (DL RSCP) measurement or a downlink reference signal carrier phase difference (DL RSCPD) measurement. The timing positioning measurements may comprise any one or more of a downlink round trip time (RTT) measurement or a downlink time difference of arrival (TDOA) measurement.
[0133] In particular embodiments, the positioning measurement configuration further comprises an indication of what one or more positioning measurements to perform outside of the indicated time window.
[0134] In particular embodiments, the particular measurements or combination of measurements to perform within the time window and/or outside the time window are described in more detail with respect to the embodiments and examples described above.
[0135] At step 1016, the wireless device performs the indicated one or more positioning measurements in the indicated time window. The method may further comprise, at step 1018, performing one or more indicated positioning measurements outside of the indicated time window. [0136] At step 1020, the wireless device reports results of performing the indicated one or more positioning measurements to the network node.
[0137] In particular embodiments, the network node comprises a location management function (LMF).
[0138] Modifications, additions, or omissions may be made to method 1000 of Figure 10. Additionally, one or more steps in the method of Figure 10 may be performed in parallel or in any suitable order.
[0139] Figure 11 is a flowchart illustrating an example method 1100 in a network node, according to certain embodiments. In particular embodiments, one or more steps of Figure 11 may be performed by network node 300 described with respect to Figure 6.
[0140] The method may begin at step 1112, where the network node (e.g., network node 300) receives a capability report from the wireless device. The capability report comprises a capability of the wireless device for performing one or more positioning measurements within a time window. The capability report is described in mor detail with respect to Figure 10 and the embodiments and examples described above.
[0141] At step 1114, the network node determines a positioning measurement configuration for a wireless device. The positioning measurement configuration comprises an indication of a time window for performing one or more positioning measurements and an (explicit) indication of what one or more positioning measurements to perform in the time window. Determining the measurement configuration for the wireless device may be based on the capability report.
[0142] The positioning measurement configuration is described in more detail with respect to Figure 10 and the embodiments and examples described above.
[0143] At step 1116, the network node transmits the positioning measurement configuration to the wireless device.
[0144] At step 1118, the network node receives results of performing the indicated one or more positioning measurements from the wireless device.
[0145] In particular embodiments, the network node comprises a LMF.
[0146] Modifications, additions, or omissions may be made to method 1100 of Figure 11.
Additionally, one or more steps in the method of Figure 11 may be performed in parallel or in any suitable order.
[0147] The foregoing description sets forth numerous specific details. It is understood, however, that embodiments may be practiced without these specific details. In other instances, well-known circuits, structures and techniques have not been shown in detail in order not to obscure the understanding of this description. Those of ordinary skill in the art, with the included descriptions, will be able to implement appropriate functionality without undue experimentation.
[0148] References in the specification to “one embodiment,” “an embodiment,” “an example embodiment,” etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to implement such feature, structure, or characteristic in connection with other embodiments, whether or not explicitly described.
[0149] Although this disclosure has been described in terms of certain embodiments, alterations and permutations of the embodiments will be apparent to those skilled in the art. Accordingly, the above description of the embodiments does not constrain this disclosure. Other changes, substitutions, and alterations are possible without departing from the scope of this disclosure, as defined by the claims below.
[0150] Some example embodiments are described below.
A Embodiments A method performed by a wireless device, the method comprising:
- receiving from a network node an indication of a time window for performing positioning measurements and an indication of what positioning measurement to perform in the time window; and
- performing the indicated positioning measurements in the indicated time window. The method of the previous embodiment, wherein the indicated positioning measurement includes a carrier phase positioning measurement. The method of any one of the previous embodiments, wherein the indicated positioning measurement includes a timing positioning measurement. The method of any one of the previous embodiments, further comprising transmitting positioning capabilities to the network node. The method of any one of the previous embodiments, further comprising transmitting an indication of a result of performing the positioning measurements to the network node. A method performed by a wireless device, the method comprising:
- any of the wireless device steps, features, or functions described above, either alone or in combination with other steps, features, or functions described above. The method of the previous embodiment, further comprising one or more additional wireless device steps, features or functions described above. The method of any of the previous two embodiments, further comprising:
- providing user data; and
- forwarding the user data to a host computer via the transmission to the base station.
B Embodiments A method performed by a base station, the method comprising:
- determining positioning methods to be performed by a wireless device;
- determining time window requirements for positioning;
- determining applicable measurement for the determined positioning methods to be performed in a determined time window; and
- transmitting to the wireless device an indication of which measurements are to be performed in the time window.
10. A method performed by a base station, the method comprising:
- determining, based on a capability of a wireless device, a time window for at least one carrier phase measurement for positioning;
- transmitting an indication of the time window and the carrier phase measurement to the wireless device.
11. The method of the previous embodiment, wherein the time window also includes at least one timing measurement and the indication includes an indication of the at least one timing measurement.
12. The method of any one of the previous embodiments, further comprising receiving an indication of positioning capabilities of the wireless device.
13. A method performed by a base station, the method comprising:
- any of the steps, features, or functions described above with respect to base stations, either alone or in combination with other steps, features, or functions described above.
14. The method of the previous embodiment, further comprising one or more additional base station steps, features or functions described above.
15. The method of any of the previous embodiments, further comprising:
- obtaining user data; and
- forwarding the user data to a host computer or a wireless device. up C Embodiments
16. A mobile terminal comprising:
- processing circuitry configured to perform any of the steps of any of the Group A
embodiments; and power supply circuitry configured to supply power to the wireless device.
17. A base station comprising:
- processing circuitry configured to perform any of the steps of any of the Group B embodiments;
- power supply circuitry configured to supply power to the wireless device.
18. A user equipment (UE) comprising:
- an antenna configured to send and receive wireless signals;
- radio front-end circuitry connected to the antenna and to processing circuitry, and configured to condition signals communicated between the antenna and the processing circuitry;
- the processing circuitry being configured to perform any of the steps of any of the Group A embodiments;
- an input interface connected to the processing circuitry and configured to allow input of information into the UE to be processed by the processing circuitry;
- an output interface connected to the processing circuitry and configured to output information from the UE that has been processed by the processing circuitry; and
- a battery connected to the processing circuitry and configured to supply power to the UE.
19. A communication system including a host computer comprising:
- processing circuitry configured to provide user data; and
- a communication interface configured to forward the user data to a cellular network for transmission to a user equipment (UE),
- wherein the cellular network comprises a base station having a radio interface and processing circuitry, the base station’s processing circuitry configured to perform any of the steps of any of the Group B embodiments.
20. The communication system of the pervious embodiment further including the base station.
21. The communication system of the previous 2 embodiments, further including the UE, wherein the UE is configured to communicate with the base station.
The communication system of the previous 3 embodiments, wherein:
- the processing circuitry of the host computer is configured to execute a host application, thereby providing the user data; and
- the UE comprises processing circuitry configured to execute a client application associated with the host application. A method implemented in a communication system including a host computer, a base station and a user equipment (UE), the method comprising:
- at the host computer, providing user data; and
- at the host computer, initiating a transmission carrying the user data to the UE via a cellular network comprising the base station, wherein the base station performs any of the steps of any of the Group B embodiments. The method of the previous embodiment, further comprising, at the base station, transmitting the user data. The method of the previous 2 embodiments, wherein the user data is provided at the host computer by executing a host application, the method further comprising, at the UE, executing a client application associated with the host application. A user equipment (UE) configured to communicate with a base station, the UE comprising a radio interface and processing circuitry configured to performs any of the previous 3 embodiments. A communication system including a host computer comprising:
- processing circuitry configured to provide user data; and
- a communication interface configured to forward user data to a cellular network for transmission to a user equipment (UE),
- wherein the UE comprises a radio interface and processing circuitry, the UE’s components configured to perform any of the steps of any of the Group A embodiments. The communication system of the previous embodiment, wherein the cellular network
further includes a base station configured to communicate with the UE. The communication system of the previous 2 embodiments, wherein:
- the processing circuitry of the host computer is configured to execute a host application, thereby providing the user data; and
- the UE’s processing circuitry is configured to execute a client application associated with the host application. A method implemented in a communication system including a host computer, a base station and a user equipment (UE), the method comprising:
- at the host computer, providing user data; and
- at the host computer, initiating a transmission carrying the user data to the UE via a cellular network comprising the base station, wherein the UE performs any of the steps of any of the Group A embodiments. The method of the previous embodiment, further comprising at the UE, receiving the user data from the base station. A communication system including a host computer comprising:
- communication interface configured to receive user data originating from a transmission from a user equipment (UE) to a base station,
- wherein the UE comprises a radio interface and processing circuitry, the UE’s processing circuitry configured to perform any of the steps of any of the Group A embodiments. The communication system of the previous embodiment, further including the UE. The communication system of the previous 2 embodiments, further including the base station, wherein the base station comprises a radio interface configured to communicate with the UE and a communication interface configured to forward to the host computer the user data carried by a transmission from the UE to the base station. The communication system of the previous 3 embodiments, wherein:
- the processing circuitry of the host computer is configured to execute a host
application; and
- the UE’s processing circuitry is configured to execute a client application associated with the host application, thereby providing the user data. The communication system of the previous 4 embodiments, wherein:
- the processing circuitry of the host computer is configured to execute a host application, thereby providing request data; and
- the UE’s processing circuitry is configured to execute a client application associated with the host application, thereby providing the user data in response to the request data. A method implemented in a communication system including a host computer, a base station and a user equipment (UE), the method comprising:
- at the host computer, receiving user data transmitted to the base station from the UE, wherein the UE performs any of the steps of any of the Group A embodiments. The method of the previous embodiment, further comprising, at the UE, providing the user data to the base station. The method of the previous 2 embodiments, further comprising:
- at the UE, executing a client application, thereby providing the user data to be transmitted; and
- at the host computer, executing a host application associated with the client application. The method of the previous 3 embodiments, further comprising:
- at the UE, executing a client application; and
- at the UE, receiving input data to the client application, the input data being provided at the host computer by executing a host application associated with the client application,
- wherein the user data to be transmitted is provided by the client application in response to the input data. A communication system including a host computer comprising a communication interface
configured to receive user data originating from a transmission from a user equipment (UE) to a base station, wherein the base station comprises a radio interface and processing circuitry, the base station’s processing circuitry configured to perform any of the steps of any of the Group B embodiments.
42. The communication system of the previous embodiment further including the base station.
43. The communication system of the previous 2 embodiments, further including the UE, wherein the UE is configured to communicate with the base station.
44. The communication system of the previous 3 embodiments, wherein:
- the processing circuitry of the host computer is configured to execute a host application;
- the UE is configured to execute a client application associated with the host application, thereby providing the user data to be received by the host computer.
45. A method implemented in a communication system including a host computer, a base station and a user equipment (UE), the method comprising:
- at the host computer, receiving, from the base station, user data originating from a transmission which the base station has received from the UE, wherein the UE performs any of the steps of any of the Group A embodiments.
46. The method of the previous embodiment, further comprising at the base station, receiving the user data from the UE.
47. The method of the previous 2 embodiments, further comprising at the base station, initiating a transmission of the received user data to the host computer.
Claims
1. A method performed by a wireless device, the method comprising: receiving (1014) from a network node a positioning measurement configuration, the positioning measurement configuration comprising an indication of a time window for performing one or more positioning measurements and an indication of what one or more positioning measurements to perform in the time window; and performing (1016) the indicated one or more positioning measurements in the indicated time window.
2. The method of claim 1, wherein the positioning measurement configuration further comprises an indication of what one or more positioning measurements to perform outside of the indicated time window and the method further comprises performing (1018) the indicated one or more positioning measurements outside of the indicated time window.
3. The method of any one of claims 1-2, further comprising reporting (1012) a capability of the wireless device for performing one or more positioning measurements within a time window to the network node.
4. The method of any one of claims 1-3, further comprising reporting (1020) results of performing the indicated one or more positioning measurements to the network node.
5. The method of any one of claims 1-4, wherein the one or more positioning measurements to perform in the indicated time window comprise one or more carrier phase positioning measurements.
6. The method of any one of claims 1-5, wherein the one or more positioning measurements to perform in the indicated time window comprise one or more carrier phase positioning measurements and one or more timing positioning measurements.
7. The method of any one of claims 5-6, wherein the carrier phase measurements comprise any one or more of a downlink reference signal carrier phase (DL RSCP) measurement or a downlink reference signal carrier phase difference (DL RSCPD) measurement.
8. The method of claim 6, wherein the timing positioning measurements comprise any one or more of a downlink round trip time (RTT) measurement or a downlink time difference of arrival (TDOA) measurement.
9. The method of any one of claims 1-8, wherein the network node comprises a location management function (LMF).
10. A wireless device (200) comprising processing circuitry (202), the processing circuitry operable to: receive from a network node (300) a positioning measurement configuration, the positioning measurement configuration comprising an indication of a time window for performing one or more positioning measurements and an indication of what one or more positioning measurements to perform in the time window; and perform the indicated one or more positioning measurements in the indicated time window.
11. The wireless device of claim 10, wherein the positioning measurement configuration further comprises an indication of what one or more positioning measurements to perform outside of the indicated time window and the processing circuitry is further operable to perform the indicated one or more positioning measurements outside of the indicated time window.
12. The wireless device of any one of claims 10-11, the processing circuitry further operable to report a capability of the wireless device for performing one or more positioning measurements within a time window to the network node.
13. The wireless device of any one of claims 10-12, the processing circuitry further operable to report results of performing the indicated one or more positioning measurements to the network node.
14. The wireless device of any one of claims 10-13, wherein the one or more positioning measurements to perform in the indicated time window comprise one or more carrier phase positioning measurements.
15. The wireless device of any one of claims 10-14, wherein the one or more positioning measurements to perform in the indicated time window comprise one or more carrier phase
positioning measurements and one or more timing positioning measurements.
16. The wireless device of any one of claims 14-15, wherein the carrier phase measurements comprise any one or more of a downlink reference signal carrier phase (DL RSCP) measurement or a downlink reference signal carrier phase difference (DL RSCPD) measurement.
17. The wireless device of claim 15, wherein the timing positioning measurements comprise any one or more of a downlink round trip time (RTT) measurement or a downlink time difference of arrival (TDOA) measurement.
18. The wireless device of any one of claims 10-17, wherein the network node comprises a location management function (LMF).
19. A method performed by a network node, the method comprising: determining (1114) a positioning measurement configuration for a wireless device, the positioning measurement configuration comprising an indication of a time window for performing one or more positioning measurements and an indication of what one or more positioning measurements to perform in the time window; and transmitting (1116) the positioning measurement configuration to the wireless device.
20. The method of claim 19, wherein the positioning measurement configuration further comprises an indication of what one or more positioning measurements to perform outside of the indicated time window.
21. The method of any one of claims 19-20, further comprising receiving (1112) a capability report from the wireless device, the capability report comprising a capability of the wireless device for performing one or more positioning measurements within a time window; and wherein determining the measurement configuration for the wireless device is based on the capability report.
22. The method of any one of claims 19-21, further comprising receiving (1118) results of performing the indicated one or more positioning measurements from the wireless device.
23. The method of any one of claims 19-22, wherein the one or more positioning
measurements to perform in the indicated time window comprise one or more carrier phase positioning measurements.
24. The method of any one of claims 19-23, wherein the one or more positioning measurements to perform in the indicated time window comprise one or more carrier phase positioning measurements and one or more timing positioning measurements.
25. The method of any one of claims 23-24, wherein the carrier phase measurements comprise any one or more of a downlink reference signal carrier phase (DL RSCP) measurement or a downlink reference signal carrier phase difference (DL RSCPD) measurement.
26. The method of claim 24, wherein the timing positioning measurements comprise any one or more of a downlink round trip time (RTT) measurement or a downlink time difference of arrival (TDOA) measurement.
27. The method of any one of claims 19-26, wherein the network node comprises a location management function (LMF).
28. A network node (300) comprising processing circuitry (302), the processing circuitry operable to: determine a positioning measurement configuration for a wireless device (200), the positioning measurement configuration comprising an indication of a time window for performing one or more positioning measurements and an indication of what one or more positioning measurements to perform in the time window; and transmit the positioning measurement configuration to the wireless device.
29. The network node of claim 28, wherein the positioning measurement configuration further comprises an indication of what one or more positioning measurements to perform outside of the indicated time window.
30. The network node of any one of claims 28-29, the processing circuitry further operable to receive a capability report from the wireless device, the capability report comprising a capability of the wireless device for performing one or more positioning measurements within a time window; and wherein the processing circuitry is operable to determine the measurement
configuration for the wireless device based on the capability report.
31. The network node of any one of claims 28-30, the processing circuitry further operable to receive results of performing the indicated one or more positioning measurements from the wireless device.
32. The network node of any one of claims 28-31, wherein the one or more positioning measurements to perform in the indicated time window comprise one or more carrier phase positioning measurements.
33. The network node of any one of claims 28-32, wherein the one or more positioning measurements to perform in the indicated time window comprise one or more carrier phase positioning measurements and one or more timing positioning measurements.
34. The network node of any one of claims 32-33, wherein the carrier phase measurements comprise any one or more of a downlink reference signal carrier phase (DL RSCP) measurement or a downlink reference signal carrier phase difference (DL RSCPD) measurement.
35. The network node of claim 33, wherein the timing positioning measurements comprise any one or more of a downlink round trip time (RTT) measurement or a downlink time difference of arrival (TDOA) measurement.
36. The network node of any one of claims 28-35, wherein the network node comprises a location management function (LMF).
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/IB2025/054689 Pending WO2025233806A1 (en) | 2024-05-08 | 2025-05-05 | Positioning measurement configuration |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2025233806A1 (en) |
-
2025
- 2025-05-05 WO PCT/IB2025/054689 patent/WO2025233806A1/en active Pending
Non-Patent Citations (3)
| Title |
|---|
| JUERGEN HOFMANN ET AL: "RRM core maintenance for NR Carrier Phase Positioning", vol. RAN WG4, no. Changsha, Hunan Province, CN; 20240415 - 20240419, 8 April 2024 (2024-04-08), XP052589047, Retrieved from the Internet <URL:https://www.3gpp.org/ftp/TSG_RAN/WG4_Radio/TSGR4_110bis/Docs/R4-2405883.zip R4-2405883 RRM core maintenance NR CPP.docx> [retrieved on 20240408] * |
| MANIVANNAN THYAGARAJAN ET AL: "Request for carrier phase measurement or joint measurement and clarification for time window configuration", vol. RAN WG2, no. Changsha, Hunan Province, CN; 20240415 - 20240419, 5 April 2024 (2024-04-05), XP052585432, Retrieved from the Internet <URL:https://www.3gpp.org/ftp/TSG_RAN/WG2_RL2/TSGR2_125bis/Docs/R2-2403502.zip R2-2403502 ReqLocInfo_CPP_BWA.docx> [retrieved on 20240405] * |
| PATRICK MERIAS ET AL: "FL Summary #2 for maintenance on NR DL and UL carrier phase positioning", vol. RAN WG1, no. Athens, GR; 20240226 - 20240301, 1 March 2024 (2024-03-01), XP052577670, Retrieved from the Internet <URL:https://www.3gpp.org/ftp/TSG_RAN/WG1_RL1/TSGR1_116/Docs/R1-2401486.zip R1-2401486 FL Summary #2 CPP_v007_FL.docx> [retrieved on 20240301] * |
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