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WO2019063325A1 - Configuration de mesure de cellule de desserte pour réseaux sans fil - Google Patents

Configuration de mesure de cellule de desserte pour réseaux sans fil Download PDF

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Publication number
WO2019063325A1
WO2019063325A1 PCT/EP2018/074979 EP2018074979W WO2019063325A1 WO 2019063325 A1 WO2019063325 A1 WO 2019063325A1 EP 2018074979 W EP2018074979 W EP 2018074979W WO 2019063325 A1 WO2019063325 A1 WO 2019063325A1
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WIPO (PCT)
Prior art keywords
measurement object
serving cell
user device
configuration
carrier frequency
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English (en)
Inventor
Jarkko Tuomo Koskela
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Nokia Technologies Oy
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Nokia Technologies Oy
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Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices

Definitions

  • This description relates to communications.
  • a communication system may be a facility that enables communication between two or more nodes or devices, such as fixed or mobile communication devices. Signals can be carried on wired or wireless carriers.
  • LTE Long Term Evolution
  • UMTS Universal Mobile Telecommunications System
  • E-UTRA evolved UMTS Terrestrial Radio Access
  • LTE Long Term Evolution
  • APs base stations or access points
  • eNBs enhanced Node B
  • UE user equipments
  • LTE has included a number of improvements or developments.
  • 5G New Radio (NR) development is part of a continued mobile broadband evolution process to meet the requirements of 5G, similar to earlier evolution of 3G & 4G wireless networks.
  • a goal of 5G is to provide significant improvement in wireless performance, which may include new levels of data rate, latency, reliability, and security.
  • 5G NR may also scale to efficiently connect the massive Internet of Things (IoT), and may offer new types of mission-critical services.
  • IoT massive Internet of Things
  • FIG. 1 is a block diagram of a wireless network according to an example implementation.
  • FIG. 2 is a diagram illustrating a synchronization signal block (SS block) according to an illustrative example implementation.
  • FIG. 3 is a diagram illustrating a UE configuration according to an example implementation.
  • FIG. 4 is a diagram illustrating a configuration according to an example implementation.
  • FIG. 5 is a diagram illustrating operation of a system according to an example implementation.
  • FIG. 6 is a flow chart illustrating operation of a user device (UE) according to another example implementation.
  • FIG.7 is a flow chart illustrating operation of a user device (UE) according to an example implementation.
  • FIG.8 is a block diagram of a node or wireless station (e.g., base station/access point or mobile station/user device) according to an example implementation.
  • a node or wireless station e.g., base station/access point or mobile station/user device
  • FIG. 1 is a block diagram of a wireless network 130 according to an example implementation.
  • user devices 131, 132, 133 and 135, which may also be referred to as mobile stations (MSs) or user equipment (UEs) may be connected (and in communication) with a base station (BS) 134, which may also be referred to as an access point (AP), an enhanced Node B (eNB), a gNB, or a network node.
  • AP access point
  • eNB enhanced Node B
  • gNB gNode B
  • At least part of the functionalities of an access point (AP), base station (BS) or (e)Node B (eNB) may be also be carried out by any node, server or host which may be operably coupled to a transceiver, such as a remote radio head.
  • BS (or AP) 134 provides wireless coverage within a cell 136, including to user devices 131, 132, 133 and 135. Although only four user devices are shown as being connected or attached to BS 134, any number of user devices may be provided. BS 134 is also connected to a core network 150 via a SI interface 151. This is merely one simple example of a wireless network, and others may be used.
  • a user device may refer to a portable computing device that includes wireless mobile communication devices operating with or without a subscriber identification module (SIM), including, but not limited to, the following types of devices: a mobile station (MS), a mobile phone, a cell phone, a smartphone, a personal digital assistant (PDA), a handset, a device using a wireless modem (alarm or measurement device, etc.), a laptop and/or touch screen computer, a tablet, a phablet, a game console, a notebook, and a multimedia device, as examples.
  • SIM subscriber identification module
  • MS mobile station
  • PDA personal digital assistant
  • a handset a device using a wireless modem (alarm or measurement device, etc.)
  • a laptop and/or touch screen computer a tablet, a phablet, a game console, a notebook, and a multimedia device, as examples.
  • a user device may also be a nearly exclusive uplink only device, of which an example is a camera or video camera loading images or video clips to
  • core network 150 may be referred to as
  • EPC Evolved Packet Core
  • MME mobility management entity
  • gateways may forward data and control signals between the BSs and packet data networks or the Internet, and other control functions or blocks.
  • New Radio (5G) development may support a number of different applications or a number of different data service types, such as for example: machine type communications (MTC), enhanced machine type communication (eMTC), Internet of Things (IoT), and/or narrowband IoT user devices, enhanced mobile broadband (eMBB), wireless relaying including self- backhauling, D2D (device-to-device) communications, and ultra-reliable and low-latency communications (URLLC).
  • MTC machine type communications
  • eMTC enhanced machine type communication
  • IoT Internet of Things
  • eMBB enhanced mobile broadband
  • Wireless relaying including self- backhauling
  • URLLC ultra-reliable and low-latency communications
  • Scenarios may cover both traditional licensed band operation as well as unlicensed band operation.
  • IoT may refer to an ever-growing group of objects that may have
  • Machine Type Communications MTC, or Machine to Machine communications
  • MTC Machine Type Communications
  • eMBB Enhanced mobile broadband
  • Ultra- reliable and low-latency communications is a new data service type, or new usage scenario, which may be supported for New Radio (5G) systems.
  • 5G New Radio
  • This enables emerging new applications and services, such as industrial automations, autonomous driving, vehicular safety, e-health services, and so on.
  • 3GPP targets in providing connectivity with reliability corresponding to block error rate (BLER) of 10 "5 and up to 1 ms U-Plane (user/data plane) latency, by way of illustrative example.
  • BLER block error rate
  • U-Plane user/data plane
  • the various example implementations may be applied to a wide variety of wireless technologies or wireless networks, such as LTE, LTE-A, 5G, cmWave, and/or mm Wave band networks, IoT, MTC, eMTC, eMBB, URLLC, etc., or any other wireless network or wireless technology.
  • wireless technologies or wireless networks such as LTE, LTE-A, 5G, cmWave, and/or mm Wave band networks, IoT, MTC, eMTC, eMBB, URLLC, etc.
  • LTE Long Term Evolution
  • LTE-A Long Term Evolution
  • 5G Fifth Generation
  • cmWave Fifth Generation
  • a BS may transmit a measurement object, such as, for example, a synchronization signal block (SS block), channel state information- reference signals (CSI-RS), or other measurement object, which may be received by one or more UEs/user devices.
  • a measurement block may include, by way of illustrative example, a SS block (e.g., which may also be referred to as a SS measurement block), but it should be understood that other types of measurement objects may be sent or transmitted by a BS to a UE for measurement.
  • a SS block may include, e.g., one or more or even all of: primary synchronization signals (PSS), secondary synchronization signals (SSS), a physical broadcast control channel (PBCH), and demodulation reference signals (DMRS).
  • PSS primary synchronization signals
  • SSS secondary synchronization signals
  • PBCH physical broadcast control channel
  • DMRS demodulation reference signals
  • the PSS and SSS may allow a UE to obtain initial system acquisition, e.g., which may include obtaining initial time synchronization (e.g., including symbol and frame timing), initial frequency
  • a UE may use DMRS and PBCH to determine slot and frame timing.
  • the PBCH may provide one or more important parameters (e.g., system frame number, information on how to receive remaining system information/RMSI) for a UE to access cell, and may also include slot and frame timing.
  • the DMRS may allow the UE to demodulate the PBCH coherently, and may also convey slot timing information.
  • FIG. 2 is a diagram illustrating a synchronization signal block (SS block) according to an illustrative example implementation.
  • the SS block 200 may include information provided across 4 symbols and 12-24 resource blocks (RBs, also known as physical resource blocks or PRBs).
  • RBs resource blocks
  • primary synchronization signals (PSS) 220 is provided via 12 PRBs and one OFDM (orthogonal frequency division multiplexing) symbol (shown as the first OFDM symbol).
  • Secondary synchronization signals (SSS) 222 are provided via 12 PRBs and the third OFDM symbol.
  • the physical broadcast control channel (PBCH) 224 and demodulation reference signals (DMRS) 226 are interleaved within both the second and fourth OFDM symbols of the SSB 200 and provided across 24 PRBs, as shown in FIG. 2.
  • Each resource block (RB) which may also be referred to as a physical resource block (PRB), may include a plurality of subcarriers, such as 12 subcarriers, for example, or other number of subcarriers.
  • one or more SS blocks may be transmitted by a BS in fixed time domain locations, such as within a specific time (e.g., 5 ms) window, where this group of SS blocks within this time window may be referred to as a SS block burst set.
  • a specific time e.g., 5 ms
  • this group of SS blocks within this time window may be referred to as a SS block burst set.
  • the SS block may be allocated in a flexible manner within NR carrier in terms of time and frequency domain allocation.
  • the SS block (or burst set) can be transmitted with, for example, one of 5, 10, 20, 40, 80 or 160 ms periodicity.
  • a floating or variable frequency synchronization (e.g., or variable subcarriers are used for the NR SS block) may be used. That is, a carrier frequency of a measurement object (e.g., a carrier frequency of a SS block) may, or may not be, aligned with a carrier frequency of a bandwidth part (BWP) allocated by a serving cell to a user device.
  • BWP bandwidth part
  • carrier aggregation may be provided for a UE/user device, e.g., in which a UE may be connected to multiple serving cells, wherein the UE may be served by any of the serving cells.
  • a bandwidth part may be a part or portion of a network bandwidth (e.g., a portion of a cell's bandwidth or a portion of a BS's bandwidth).
  • a BWP may be allocated to each UE, including a portion of network bandwidth provided on a BWP carrier frequency (a carrier frequency for the BWP, for transmitting and receiving data to the UE).
  • a BS may have a very large bandwidth (e.g., 1000 MHz) and may allocate, for example, 5 MHz to a UE for a low data rate requirement, and may allocate, for example, 20, 30, 40 or 50 MHz to a UE for a higher data rate requirement of the UE.
  • each BWP allocated to UEs may have a different bandwidth and may be provided on a same or different BWP carrier frequency.
  • a carrier at a serving cell may be configured with one or more bandwidth parts (BWPs) for a UE/user device, and one bandwidth part (BWP) for each cell may be active (for sending a receiving data with the user device) at a time for the UE.
  • BWPs bandwidth parts
  • a UE may have as many cell configurations as there are aggregated carriers for the UE (e.g., one cell configuration for each aggregated carrier for the UE), and each serving cell may have one or more BWP configurations to allocate a BWP(s) to the UE for that cell.
  • a UE may have the following active BWP configurations for a UE: active BWP configuration 1 for cell 1, and active BWP configuration 2 for cell 2, to provide carrier aggregation to the UE.
  • a BWP configuration may include or indicate (e.g., at least) a carrier frequency of the BWP and a bandwidth of the BWP.
  • FIG. 3 is a diagram illustrating a UE configuration according to an example implementation. After a UE is connected to a serving cell or BS, the UE may receive a RRC (radio resource control) message from the serving cell or serving BS, such as a RRCConnectionReconfiguration message, that may include UE specific RRC (radio resource control) message.
  • RRC radio resource control
  • the RRC configuration may include one or more serving cell configurations, e.g., one serving cell configuration for each cell that serves the UE.
  • a serving cell configuration may include a serving cell index, a SS block carrier frequency, and/or a PSS/SSS frequency(ies).
  • Each serving cell configuration may include one or more BWP configurations (e.g., one BWP configuration for each BWP allocated to or configured for the UE).
  • Each BWP configuration may include, for example, a BWP index, a BWP carrier frequency and a BWP bandwidth.
  • the BS may reconfigure, or add or remove a BWP, or activate a BWP for a cell, via downlink control information (DO) transmitted by the BS/cell to the UE.
  • DO downlink control information
  • a carrier frequency of a measurement object may, or may not be, aligned with a carrier frequency of a bandwidth part (BWP) allocated by a serving cell to a user device.
  • BWP bandwidth part
  • the carrier frequency of a measurement object may be located at various carrier frequencies, which may or may not be aligned with the carrier frequency of the BWP.
  • the BS may allocate downlink resources on the DL BWP for the UE to receive data, and a BS may grant the UE UL resources for the UL BWP for the UL transmission of data.
  • a UE may perform cell measurement for both a serving cell and possibly one or more neighbor cells.
  • Cell measurement may include receiving signals of a measurement object from a cell, such as receiving PSS and SSS signals of a SS block (or other measurement object), and then measuring a signal parameter (e.g., measuring reference signal received power (RSRP)) for these received signals.
  • RSRP reference signal received power
  • the UE may determine whether one or more of events Al - A6 (e.g., for one or both of NR-SS (synchronization signal) and CSI-RS (channel state information reference signals) have been met or fulfilled.
  • NR-SS synchronization signal
  • CSI-RS channel state information reference signals
  • the measured signals (e.g., RSRP of the cell measurements) of a serving cell and/or one or more neighbor cells may be compared, by the UE, to thresholds, or compared to each other between cells, e.g., to determine if one or more if any of the measurement events (e.g., events A1-A6) has been met or fulfilled. For example, if a measurement event has been met, then the UE may send a measurement report and may indicate to a serving cell or BS the event that triggered or caused the measurement report, and may provide other information. The BS may then cause a handover for the UE to a different cell based on the measurement report.
  • the measurement events e.g., events A1-A6
  • Some example events may include, by way of illustrative example:
  • Event Al Serving cell becomes better than absolute threshold
  • Event A2 Serving cell becomes worse than absolute threshold
  • Event A3 Neighbor cell becomes amount of offset better than serving cell
  • Event A4 Neighbor cell becomes better than absolute threshold
  • Event A5 serving cell becomes worse than absolute thresholdl AND
  • Neighbor cell becomes better than another absolute threshold2
  • Event A6 Neighbor cell becomes amount of offset better than serving cell.
  • a UE may be configured with many different SS measurement object configurations (e.g., different SS block configurations), and may receive many different measurement objects (e.g., SS blocks) from different cells, including receiving one or more measurement objects from the serving cell and/or receiving one or more
  • the UE may derive a PCI (physical cell identifier) of a transmitting cell based on the PSS/SSS signals of a received SS block.
  • PCI physical cell identifier
  • the carrier frequency of the measurement object e.g., carrier frequency of the SS block
  • the UE may not know which measurement object (e.g., SS block) belongs to the BWP (or is associated with the serving cell).
  • the UE may not know where (e.g., resources or carrier frequency of) the measurement object transmitted by a serving cell is located, which may prevent the UE from performing a signal or cell measurement for a serving cell, and then determining if any of the A1-A6 measurement events have been met or fulfilled.
  • measurement object information may include (or allow the UE to obtain) a carrier frequency of the measurement object (e.g., carrier frequency of a SS block), of a measurement object associated with (e.g., transmitted by) the serving cell.
  • the measurement object information may be included within a BWP configuration that is sent by the serving cell or BS to the UE.
  • one or more techniques are provided to inform the UE (or may allow the UE to determine) which measurement objects (e.g., which SS blocks) were transmitted by (associated with) a serving cell, or to allow the UE to determine whether a particular measurement object (e.g., SS block) was transmitted by a serving cell.
  • a UE may be notified of or configured with a measurement object (e.g., SS block) configuration for a serving cell.
  • the UE can be notified or configured with a measurement object configuration for the serving cell, so the UE can then receive and measure the measurement object (e.g., measure RSRP of PSS/SSS of the SS block) and then compare these measurements to measurement events, and then send a measurement report to serving cell if an event is met, for example.
  • the measurement object e.g., measure RSRP of PSS/SSS of the SS block
  • a UE may determine whether a measurement object is transmitted by (or associated with) a serving cell:
  • UE is explicitly signaled with information indicating where the UE may obtain a SS measurement object configuration.
  • the BWP configuration may indicate a SS measurement object index, which may identify resources where a SS measurement object configuration may be received by UE.
  • the UE may then receive a measurement object (e.g., SS block) configuration (e.g., indicating a measurement object carrier frequency, such as frequency of PSS/SSS signals of a SS block) via these indicated resources.
  • a measurement object e.g., SS block
  • a measurement object carrier frequency such as frequency of PSS/SSS signals of a SS block
  • a BWP configuration may include a measurement object index that identifies the location of the measurement object configuration (e.g., carrier frequency and periodicity of the PSS/SSS of SS block) to be measured that corresponds to serving cell.
  • the UE can then measure these PSS/SSS signals transmitted by serving cell, and then evaluate those RSRP against event conditions, for possible reporting to serving cell in a measurement report.
  • Idle mode - UE camps on carrier of SSS/PSS, and then moves from idle to connected, UE receives the BWP configuration via a RRC message after UE is connected.
  • option 1 - BWP configuration includes measurement object index that indicates location of measurement object configuration for the serving cell.
  • UE receive the measurement object configuration, which indicates the PSS/SSS carrier frequency and periodicity.
  • a measurement object index may be provided in a BWP configuration sent to the UE.
  • the UE may then obtain a measurement object configuration for a measurement object associated with the serving cell.
  • the UE based on the measurement object configuration (e.g., based on a carrier frequency and/or periodicity of the PSS/SSS of SS block or measurement object), may then receive the SS measurement object (e.g., SS block) that corresponds to or transmitted by the serving cell.
  • Option 3 Similar to option 1. But instead of receiving a measurement object index in a BWP configuration (as in option 1), for option 3, the UE directly receives the measurement object configuration (e.g., which may include at least the measurement object carrier frequency, and/or a measurement object periodicity or PSS/SSS periodicity). Thus, in this manner, the UE determines that this measurement object, located at the indicated carrier frequency and periodicity (e.g., such as PSS/SSS signals), is associated with (or transmitted by) the serving cell.
  • the measurement object configuration e.g., which may include at least the measurement object carrier frequency, and/or a measurement object periodicity or PSS/SSS periodicity.
  • Option 1 - BS signals the measurement object index in BWP configuration; whereas option 3 - BWP configuration actually indicates the measurement object configuration (e.g., SS block carrier frequency and/or periodicity) for the measurement object transmitted by the serving cell.
  • Option 1 provides this information indirectly through an index.
  • the measurement object configuration e.g., which may include the measurement object carrier frequency, such as SS block carrier frequency
  • the measurement object configuration is indicated directly in BWP configuration.
  • any measurement objects that a UE receives may be assumed by the UE to be associated with or transmitted by a neighbor cell.
  • the identity of a cell that is associated with (or transmitting) a measurement object may be determined or confirmed by a UE based on the UE deriving the PCI for the cell based on the received PSS and SSS signals (e.g., within a received SS block).
  • Option 2 UE implicitly determines that the measurement object
  • the measurement object e.g., carrier frequency of SS block
  • a serving cell e.g., by the UE determining that the measurement object (e.g., carrier frequency of SS block) falls within the BWP of the UE.
  • carrier frequency of measurement object e.g., carrier frequency of SS block
  • carrier frequency of measurement object is aligned with (same frequency as) carrier frequency of BWP of serving cell, or at least determines where carrier frequency of measurement object (e.g., of SS block) is within BWP (e.g., within bandwidth of BWP allocated to UE). This indicates to UE that the measurement object (e.g., SS block) is transmitted by or associated with the serving cell.
  • BS/serving cell would need to signal to UE which one of the measurement objects is associated with serving cell (transmitted by serving cell). This could be solved by indicating in object if this takes precedence of serving carrier - also priority order could be given. This could be needed in case of dynamic BWP changes. For example, this may occur if a center carrier frequency is signaled for BWP and there is a matching carrier frequency of a
  • this measurement object is assumed by UE to be transmitted by the serving cell for measurement purposes (associated with serving cell).
  • a measurement object (e.g., SS block) configuration also may provide or indicate a carrier frequency (and possibly periodicity) of a measurement object (e.g., SS block) to be measured.
  • a measurement object carrier frequency is within the bandwidth of a BWP of serving cell allocated to the UE, then UE knows that this measurement object (e.g., SS block) corresponds to or is associated with (e.g., is transmitted by) the serving cell.
  • both serving cell and neighbor cells may transmit measurement blocks (e.g., SS blocks) on a same carrier and periodicity, but use different code or scrambling code for each cell. So, the UE may be able to receive (e.g., via a same set of time-frequency resources) and then compare RSRP of PSS/SSS from different neighbor cells to the serving cell, for example.
  • measurement blocks e.g., SS blocks
  • the UE may be able to receive (e.g., via a same set of time-frequency resources) and then compare RSRP of PSS/SSS from different neighbor cells to the serving cell, for example.
  • FIG. 4 is a diagram illustrating a configuration according to an example implementation.
  • FIG. 5 is a diagram illustrating operation of a system according to an example implementation.
  • a UE user device
  • a serving cell 512 is in communication with a serving cell 512.
  • a connection is established between the UE 510 and serving cell 512.
  • the UE 510 receives from serving BS a BWP configuration, including measurement object information for the serving cell.
  • the measurement object information for the serving cell may include either: option 1) a measurement object index (from which, the UE may obtain a measurement object configuration), or option 3) a measurement object configuration (including the carrier frequency and/or periodicity of the SS measurement object) of a measurement object associated with the serving cell.
  • the UE 510 determines a measurement object configuration for a measurement object associated with (or transmitted by) the serving cell. For example, under option 1, the UE 510 may receive the measurement object configuration, based on measurement object index. Whereas for option 3, the measurement object configuration is directly included within the BWP configuration (e.g., measurement object information is or at least includes the measurement object configuration).
  • the UE receives the measurement object (e.g., SS block, or portion thereof) associated with serving cell 512.
  • the measurement object e.g., SS block, or portion thereof
  • the UE may then, for example: 1) measure a signal
  • FIG. 6 is a flow chart illustrating operation of a user device
  • Operation 610 includes receiving, by a user device from a serving cell, a bandwidth part configuration, including a measurement object information for the serving cell.
  • Operation 620 includes determining, by the user device based on the measurement object information, a measurement object configuration for a measurement object associated with the serving cell.
  • operation 630 includes receiving, by the user device from the serving cell based on the measurement object configuration, the measurement object associated with the serving cell.
  • Example 2 According to an example implementation of the method of example 1 , wherein the measurement object information comprises at least one of the following: the measurement object configuration including at least a carrier frequency for the measurement object associated with the serving cell; and a measurement object index that indicates a location or resources of the measurement object configuration for the measurement object associated with the serving cell.
  • Example 3 According to an example implementation of the method of any of examples 1-2, wherein the determining comprises: determining, by the user device based on the measurement object information, the measurement object configuration including at least a carrier frequency for a measurement object associated with the serving cell.
  • Example 4 According to an example implementation of the method of any of examples 1-3, wherein the determining comprises: determining, by the user device based on the measurement object information, the measurement object configuration including a carrier frequency and periodicity for a measurement object associated with the serving cell.
  • Example 5 According to an example implementation of the method of any of examples 1-4, wherein the measurement object information comprises a measurement object index that indicates a location or resources of the measurement object configuration for the measurement object associated with the serving cell; wherein the determining the measurement object configuration for the measurement object associated with the serving cell comprises: receiving, by the user device, based on the measurement object index, the measurement object configuration for the serving cell.
  • Example 6 According to an example implementation of the method of any of examples 1-5, wherein the measurement object associated with the serving cell comprises at least a portion of a synchronization signal block, including at least one of primary synchronization signals and secondary synchronization signals, transmitted by the serving cell.
  • Example 7 According to an example implementation of the method of any of examples 1-6, and further comprising: measuring one or more signal parameters of the received measurement object associated with the serving cell; determining, by the user device based on the one or more signal parameters, whether a measurement event, of a plurality of measurement events, for the serving cell has been fulfilled; and sending, by the user device, a measurement report to the serving cell in response to the measurement event being fulfilled.
  • Example 8 According to an example implementation of the method of any of examples 1-7, wherein the measurement object comprises a synchronization signal (SS) block.
  • SS synchronization signal
  • Example 9 An apparatus comprising means for performing a method of any of examples 1-8.
  • Example 10 An apparatus comprising at least one processor and at least one memory including computer instructions that, when executed by the at least one processor, cause the apparatus to perform a method of any of claims 1 -8
  • Example 11 An apparatus comprising a computer program product including a non-transitory computer-readable storage medium and storing executable code that, when executed by at least one data processing apparatus, is configured to cause the at least one data processing apparatus to perform a method of any of examples 1-8.
  • Example 12 An apparatus comprising a computer program product including a non-transitory computer-readable storage medium and storing executable code that, when executed by at least one data processing apparatus, is configured to cause the at least one data processing apparatus to: receive, by a user device from a serving cell, a bandwidth part configuration, including a measurement object information for the serving cell; determine, by the user device based on the measurement object information, a measurement object configuration for a measurement object associated with the serving cell; and receive, by the user device from the serving cell based on the measurement object configuration, the measurement object associated with the serving cell.
  • FIG. 7 is a flow chart illustrating operation of a user device (UE) according to another example implementation.
  • Operation 710 includes receiving, by a user device from a serving cell, a bandwidth part configuration, including a carrier frequency for a bandwidth part that has been allocated by a serving cell to the user device.
  • Operation 720 includes determining, by the user device, a measurement object configuration, including at least a carrier frequency, of a measurement object.
  • Operation 730 includes receiving, by the user device based on the measurement object configuration, the measurement object.
  • Operation 740 includes determining that the carrier frequency of the measurement object is within the bandwidth part allocated to the user device by the serving cell.
  • operation 750 includes determining that the measurement object is transmitted by the serving cell based on the carrier frequency of the measurement object being within the bandwidth part allocated to the user device by the serving cell.
  • Example 14 According to an example implementation of the method of example 13, wherein the determining a measurement object configuration of a measurement object comprises: determining, by the user device, a carrier frequency and a periodicity of the measurement object.
  • Example 15 According to an example implementation of the method of any of examples 13-14, wherein the determining that the carrier frequency of the measurement object is within the bandwidth part allocated to the user device by the serving cell comprises: determining that the carrier frequency of the measurement object is the same as the carrier frequency for the bandwidth part allocated to the user device by the serving cell.
  • Example 16 According to an example implementation of the method of any of examples 13-15, wherein the measurement object comprises at least a portion of a synchronization signal block, including at least one of primary synchronization signals and secondary synchronization signals.
  • Example 17 According to an example implementation of the method of any of examples 13-16, and further comprising: measuring one or more signal parameters of the received measurement object; determining, by the user device based on the one or more signal parameters, whether a measurement event, of a plurality of measurement events, for the serving cell has been fulfilled; and sending, by the user device, a measurement report to the serving cell in response to the measurement event being fulfilled.
  • Example 18 According to an example implementation of the method of any of examples 13-17, wherein the measurement object comprises a synchronization signal (SS) block.
  • SS synchronization signal
  • Example 19 An apparatus comprising means for performing a method of any of examples 13-18.
  • Example 20 An apparatus comprising at least one processor and at least one memory including computer instructions that, when executed by the at least one processor, cause the apparatus to perform a method of any of examples 13-18.
  • Example 21 An apparatus comprising a computer program product including a non-transitory computer-readable storage medium and storing executable code that, when executed by at least one data processing apparatus, is configured to cause the at least one data processing apparatus to perform a method of any of examples 13-18.
  • Example 22 An apparatus comprising a computer program product including a non-transitory computer-readable storage medium and storing executable code that, when executed by at least one data processing apparatus, is configured to cause the at least one data processing apparatus to: receive, by a user device from a serving cell, a bandwidth part configuration, including a carrier frequency for a bandwidth part that has been allocated by a serving cell to the user device; determine, by the user device, a measurement object configuration, including at least a carrier frequency, of a
  • FIG. 8 is a block diagram of a wireless station (e.g., AP, BS, relay node, eNB, UE or user device) 1000 according to an example implementation.
  • the wireless station 1000 may include, for example, one or two RF (radio frequency) or wireless transceivers 1002 A, 1002B, where each wireless transceiver includes a transmitter to transmit signals and a receiver to receive signals.
  • the wireless station also includes a processor or control unit/entity (controller) 1004 to execute instructions or software and control transmission and receptions of signals, and a memory 1006 to store data and/or instructions.
  • Processor 1004 may also make decisions or determinations, generate frames, packets or messages for transmission, decode received frames or messages for further processing, and other tasks or functions described herein.
  • Processor 1004 which may be a baseband processor, for example, may generate messages, packets, frames or other signals for transmission via wireless transceiver 1002 (1002A or 1002B).
  • Processor 1004 may control transmission of signals or messages over a wireless network, and may control the reception of signals or messages, etc., via a wireless network (e.g., after being down-converted by wireless transceiver 1002, for example).
  • Processor 1004 may be programmable and capable of executing software or other instructions stored in memory or on other computer media to perform the various tasks and functions described above, such as one or more of the tasks or methods described above.
  • Processor 1004 may be (or may include), for example, hardware, programmable logic, a programmable processor that executes software or firmware, and/or any combination of these.
  • processor 1004 and transceiver 1002 together may be considered as a wireless transmitter/receiver system, for example.
  • a controller (or processor) 1008 may execute software and instructions, and may provide overall control for the station 1000, and may provide control for other systems not shown in FIG. 8, such as controlling input/output devices (e.g., display, keypad), and/or may execute software for one or more applications that may be provided on wireless station 1000, such as, for example, an email program, audio/video applications, a word processor, a Voice over IP application, or other application or software.
  • a storage medium may be provided that includes stored instructions, which when executed by a controller or processor may result in the processor 1004, or other controller or processor, performing one or more of the functions or tasks described above.
  • RF or wireless transceiver(s) 1002A/1002B may receive signals or data and/or transmit or send signals or data.
  • Processor 1004 (and possibly transceivers 1002A 1002B) may control the RF or wireless transceiver 1002A or 1002B to receive, send, broadcast or transmit signals or data.
  • the embodiments are not, however, restricted to the system that is given as an example, but a person skilled in the art may apply the solution to other communication systems.
  • Another example of a suitable communications system is the 5G concept. It is assumed that network architecture in 5G will be quite similar to that of the LTE-advanced. 5G is likely to use multiple input - multiple output (MEMO) antennas, many more base stations or nodes than the LTE (a so-called small cell concept), including macro sites operating in co-operation with smaller stations and perhaps also employing a variety of radio technologies for better coverage and enhanced data rates.
  • MEMO input - multiple output
  • NFV network functions virtualization
  • a virtualized network function may comprise one or more virtual machines running computer program codes using standard or general type servers instead of customized hardware. Cloud computing or data storage may also be utilized.
  • radio communications this may mean node operations may be carried out, at least partly, in a server, host or node operationally coupled to a remote radio head. It is also possible that node operations may be distributed among a plurality of servers, nodes or hosts.
  • Implementations of the various techniques described herein may be implemented in digital electronic circuitry, or in computer hardware, firmware, software, or in combinations of them. Implementations may implemented as a computer program product, i.e., a computer program tangibly embodied in an information carrier, e.g., in a machine-readable storage device or in a propagated signal, for execution by, or to control the operation of, a data processing apparatus, e.g., a programmable processor, a computer, or multiple computers. Implementations may also be provided on a computer readable medium or computer readable storage medium, which may be a non-transitory medium. Implementations of the various techniques may also include implementations provided via transitory signals or media, and/or programs and/or software
  • implementations that are downloadable via the Internet or other network(s), either wired networks and/or wireless networks.
  • implementations may be provided via machine type communications (MTC), and also via an Internet of Things (IOT).
  • MTC machine type communications
  • IOT Internet of Things
  • the computer program may be in source code form, object code form, or in some intermediate form, and it may be stored in some sort of carrier, distribution medium, or computer readable medium, which may be any entity or device capable of carrying the program.
  • carrier include a record medium, computer memory, readonly memory, photoelectrical and/or electrical carrier signal, telecommunications signal, and software distribution package, for example.
  • the computer program may be executed in a single electronic digital computer or it may be distributed amongst a number of computers.
  • implementations of the various techniques described herein may use a cyber-physical system (CPS) (a system of collaborating computational elements controlling physical entities).
  • CPS may enable the implementation and exploitation of massive amounts of interconnected ICT devices (sensors, actuators, processors microcontrollers, etc embedded in physical objects at different locations.
  • ICT devices sensors, actuators, processors microcontrollers, etc.
  • Mobile cyber physical systems in which the physical system in question has inherent mobility, are a subcategory of cyber-physical systems. Examples of mobile physical systems include mobile robotics and electronics transported by humans or animals.
  • a computer program such as the computer program(s) described above, can be written in any form of programming language, including compiled or interpreted languages, and can be deployed in any form, including as a stand-alone program or as a module, component, subroutine, or other unit or part of it suitable for use in a computing environment.
  • a computer program can be deployed to be executed on one computer or on multiple computers at one site or distributed across multiple sites and interconnected by a communication network.
  • Method steps may be performed by one or more programmable processors executing a computer program or computer program portions to perform functions by operating on input data and generating output. Method steps also may be performed by, and an apparatus may be implemented as, special purpose logic circuitry, e.g., an FPGA (field programmable gate array) or an ASIC (application-specific integrated circuit).
  • FPGA field programmable gate array
  • ASIC application-specific integrated circuit
  • processors suitable for the execution of a computer program include, by way of example, both general and special purpose microprocessors, and any one or more processors of any kind of digital computer, chip or chipset.
  • a processor will receive instructions and data from a read-only memory or a random access memory or both.
  • Elements of a computer may include at least one processor for executing instructions and one or more memory devices for storing instructions and data.
  • a computer also may include, or be operatively coupled to receive data from or transfer data to, or both, one or more mass storage devices for storing data, e.g., magnetic, magneto-optical disks, or optical disks.
  • Information carriers suitable for embodying computer program instructions and data include all forms of non-volatile memory, including by way of example semiconductor memory devices, e.g., EPROM, EEPROM, and flash memory devices; magnetic disks, e.g., internal hard disks or removable disks; magneto-optical disks; and CD-ROM and DVD-ROM disks.
  • the processor and the memory may be supplemented by, or incorporated in, special purpose logic circuitry.
  • implementations may be implemented on a computer having a display device, e.g., a cathode ray tube (CRT) or liquid crystal display (LCD) monitor, for displaying information to the user and a user interface, such as a keyboard and a pointing device, e.g., a mouse or a trackball, by which the user can provide input to the computer.
  • a display device e.g., a cathode ray tube (CRT) or liquid crystal display (LCD) monitor
  • a user interface such as a keyboard and a pointing device, e.g., a mouse or a trackball
  • Other kinds of devices can be used to provide for interaction with a user as well; for example, feedback provided to the user can be any form of sensory feedback, e.g., visual feedback, auditory feedback, or tactile feedback; and input from the user can be received in any form, including acoustic, speech, or tactile input.
  • Implementations may be implemented in a computing system that includes a back-end component, e.g., as a data server, or that includes a middleware component, e.g., an application server, or that includes a front-end component, e.g., a client computer having a graphical user interface or a Web browser through which a user can interact with an implementation, or any combination of such back-end, middleware, or front-end components.
  • Components may be interconnected by any form or medium of digital data communication, e.g., a communication network. Examples of
  • communication networks include a local area network (LAN) and a wide area network (WAN), e.g., the Internet.
  • LAN local area network
  • WAN wide area network

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne une technique qui peut consister à recevoir, par un dispositif d'utilisateur à partir d'une cellule de desserte, une configuration de partie de bande passante, comprenant des informations d'objet de mesure pour la cellule de desserte; à déterminer, par le dispositif d'utilisateur sur la base des informations d'objet de mesure, une configuration d'objet de mesure pour un objet de mesure associé à la cellule de desserte; et à recevoir, par le dispositif d'utilisateur à partir de la cellule de desserte sur la base de la configuration d'objet de mesure, l'objet de mesure associé à la cellule de desserte.
PCT/EP2018/074979 2017-09-29 2018-09-14 Configuration de mesure de cellule de desserte pour réseaux sans fil Ceased WO2019063325A1 (fr)

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