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WO2025236254A1 - Procédé de mesure, terminal, système et support de stockage - Google Patents

Procédé de mesure, terminal, système et support de stockage

Info

Publication number
WO2025236254A1
WO2025236254A1 PCT/CN2024/093774 CN2024093774W WO2025236254A1 WO 2025236254 A1 WO2025236254 A1 WO 2025236254A1 CN 2024093774 W CN2024093774 W CN 2024093774W WO 2025236254 A1 WO2025236254 A1 WO 2025236254A1
Authority
WO
WIPO (PCT)
Prior art keywords
reference signals
cells
terminal
measurement
frequency
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
Application number
PCT/CN2024/093774
Other languages
English (en)
Chinese (zh)
Inventor
陶旭华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Xiaomi Mobile Software Co Ltd
Original Assignee
Beijing Xiaomi Mobile Software Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Priority to PCT/CN2024/093774 priority Critical patent/WO2025236254A1/fr
Publication of WO2025236254A1 publication Critical patent/WO2025236254A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements

Definitions

  • This disclosure relates to the field of communication technology, and in particular to a measurement method, terminal, system and storage medium.
  • the terminal can measure different cells according to the measurement configuration of the network equipment, and select or hand over cells based on the measurement results and instructions from the network equipment. However, if the terminal can measure a limited number of cells, the selected cell may not be the optimal one.
  • This disclosure provides a measurement method, terminal, system, and storage medium.
  • embodiments of this disclosure provide a measurement method executed by a terminal, the method comprising:
  • the reference signals sent by the network device are received through multiple receiving RX panels, wherein the reference signals sent by the network device include reference signals of multiple cells;
  • the reference signals of the multiple cells are measured.
  • embodiments of this disclosure provide a measurement method, including:
  • Network devices send reference signals from multiple cells to the terminal
  • the terminal receives reference signals from the multiple cells through multiple receiving RX panels;
  • the terminal measures the reference signals of the multiple cells through the multiple RX panels.
  • a terminal including:
  • the transceiver module is used to receive reference signals sent by a network device through multiple receiving RX panels, wherein the reference signals sent by the network device include reference signals of multiple cells;
  • the processing module is used to measure the reference signals of the multiple cells.
  • a terminal including:
  • One or more processors are One or more processors;
  • the terminal is configured to implement the method described in the first aspect.
  • embodiments of this disclosure provide a communication system, including a terminal and a network device, wherein,
  • the network device is used to send reference signals of multiple cells to the terminal;
  • the terminal is used to receive reference signals from the multiple cells through multiple receiving RX panels;
  • the terminal is also used to measure the reference signals of the multiple cells through the multiple RX panels.
  • embodiments of this disclosure provide a storage medium storing instructions, wherein...
  • the communication device When the instructions are executed on the communication device, the communication device performs the method as described in the first aspect.
  • embodiments of this disclosure provide a program product, wherein,
  • the communication device When the program product is executed by the communication device, the communication device performs the method of the first aspect.
  • the terminal receives and measures reference signals from different cells through multiple RX panels, thereby effectively increasing the number of cells measured, which is beneficial for cell selection or cell reselection in more cells and improving communication quality.
  • Figure 1a is an exemplary schematic diagram of the architecture of a communication system provided according to an embodiment of the present disclosure
  • Figure 1b is a schematic diagram of a multi-RX receiving scenario according to an embodiment
  • Figure 2a is an exemplary interactive schematic diagram of a method provided according to an embodiment of the present disclosure
  • Figure 2b is a schematic diagram of a multi-RX receiving scenario according to an embodiment
  • Figures 3a to 3b are exemplary flowcharts of a method provided according to embodiments of the present disclosure.
  • Figures 4a to 4b are exemplary flowcharts of a method provided according to embodiments of the present disclosure.
  • Figure 5a is a schematic diagram of the structure of a terminal according to an embodiment of the present disclosure.
  • Figure 5b is a schematic diagram of the structure of a network device according to an embodiment of the present disclosure.
  • Figure 6a is a schematic diagram of a communication device according to an embodiment of the present disclosure.
  • Figure 6b is a schematic diagram of a communication device according to an embodiment of the present disclosure.
  • This disclosure provides a measurement method, terminal, system, and storage medium.
  • embodiments of this disclosure provide a measurement method executed by a terminal, the method comprising:
  • the reference signals sent by the network device are received through multiple receiving RX panels, wherein the reference signals sent by the network device include reference signals of multiple cells;
  • the reference signals of the multiple cells are measured.
  • the terminal receives and measures reference signals from different cells through multiple RX panels, thereby effectively increasing the number of cells measured, which is beneficial for cell selection or cell reselection in more cells and improving communication quality.
  • multiple RX panels correspond to multiple RX beams.
  • the terminal is based on multiple RX panels and can use multiple RX beams for reception and measurement, thereby enhancing the number of measurement cells.
  • the reference signals of multiple cells are measured, including:
  • Reference signals of multiple cells are measured using multiple RX beams
  • Each RX beam is used to receive and measure the reference signal of one of the multiple cells.
  • the terminal performs measurements of different cells through multiple RX beams, which helps to increase the number of cells measured.
  • multiple cells belong to co-frequency cells or inter-frequency cells, wherein the measurement is co-frequency measurement or inter-frequency measurement.
  • the terminal can increase the number of cells for same-frequency or different-frequency measurement based on the measurement of multiple RX panels, thereby improving the communication quality of the selected cells in the same-frequency or different-frequency measurement.
  • the terminal when the measurement is a co-frequency measurement, for a single co-frequency layer in a frequency band, the terminal satisfies at least one of the following in each measurement cycle:
  • the number of identified cells that can be measured is greater than the first value
  • the number of reference signals at different indices that can be measured is greater than the second value
  • PCIs Physical Cell Identifiers
  • the terminal's measurement capabilities can be enhanced as described above, thereby improving measurement accuracy.
  • the terminal when the measurement is a frequency-dependent measurement, for each frequency-dependent layer, the terminal satisfies at least one of the following in each measurement cycle:
  • the number of identified cells that can be measured is greater than the third value
  • the number of reference signals with different indices that can be measured on the heterogeneous layer is greater than the fourth value
  • the number of reference signals for different PCIs that can be measured on the different frequency layers is greater than the fourth value
  • the number of measurement cells or reference signals of the terminal can be enhanced as described above, thereby improving measurement accuracy.
  • the terminal when the measurement is a frequency-dependent measurement, for each frequency-dependent layer, the terminal satisfies at least one of the following in each measurement cycle:
  • the number of identified cells that can be measured is greater than the fifth value
  • the number of reference signals with different indices that can be measured on the heterodyne layer is greater than the sixth value
  • the number of reference signals for different PCIs that can be measured on the different frequency layers is greater than the sixth value
  • the number of reference signals measured in each identified cell is greater than the seventh value
  • the number of measurement cells or reference signals of the terminal can be enhanced as described above, thereby improving measurement accuracy.
  • the measurement quantity obtained based on the measurement is at least one of the following:
  • RSRP Reference Signal Received Power
  • the terminal can measure different cells based on the multi-RX panel, obtain any of the above measurements, and report them to the network device so that it can switch to the cell with the best quality and improve communication quality.
  • the reference signal is a synchronization signal block (SSB).
  • SSB synchronization signal block
  • the terminal can receive and measure the SSB of different cells based on the multi-RX panel to obtain measurement results, which facilitates the selection of cells with good quality.
  • embodiments of this disclosure provide a measurement method performed by a network device, the method comprising:
  • a reference signal is sent to the terminal, wherein the reference signal includes reference signals from multiple cells, and the reference signals from the multiple cells...
  • the signal is used to receive and measure through multiple RX panels.
  • multiple RX panels correspond to multiple RX beams.
  • each RX beam is used to receive and measure a reference signal of one of a plurality of cells.
  • multiple cells belong to co-frequency cells or inter-frequency cells, wherein the measurement is co-frequency measurement or inter-frequency measurement.
  • the terminal when the measurement is a co-frequency measurement, for a single co-frequency layer in a frequency band, the terminal satisfies at least one of the following in each measurement cycle:
  • the number of identified cells that can be measured is greater than the first value
  • the number of reference signals at different indices that can be measured is greater than the second value
  • PCIs Physical Cell Identifiers
  • the terminal when the measurement is a frequency-dependent measurement, for each frequency-dependent layer, the terminal satisfies at least one of the following in each measurement cycle:
  • the number of identified cells that can be measured is greater than the third value
  • the number of reference signals with different indices that can be measured on the heterogeneous layer is greater than the fourth value
  • the number of reference signals for different PCIs that can be measured on the different frequency layers is greater than the fourth value
  • the terminal when the measurement is a frequency-dependent measurement, for each frequency-dependent layer, the terminal satisfies at least one of the following in each measurement cycle:
  • the number of identified cells that can be measured is greater than the fifth value
  • the number of reference signals with different indices that can be measured on the heterodyne layer is greater than the sixth value
  • the number of reference signals for different PCIs that can be measured on the different frequency layers is greater than the sixth value
  • the number of reference signals measured in each identified cell is greater than the seventh value
  • the measurement quantity obtained based on the measurement is at least one of the following:
  • SINR Signal-to-noise ratio
  • the reference signal is a synchronization signal block SSB.
  • embodiments of this disclosure provide a measurement method, including:
  • Network devices send reference signals from multiple cells to the terminal
  • the terminal receives reference signals from the multiple cells through multiple receiving RX panels;
  • the terminal measures the reference signals of the multiple cells through the multiple RX panels.
  • a terminal including:
  • the transceiver module is used to receive reference signals sent by a network device through multiple receiving RX panels, wherein the reference signals sent by the network device include reference signals of multiple cells;
  • the processing module is used to measure the reference signals of the multiple cells.
  • embodiments of this disclosure provide a network device, including...
  • the transceiver module is used to send reference signals to the terminal, wherein the reference signals include reference signals of multiple cells, and the reference signals of the multiple cells are used to receive and measure through multiple RX panels.
  • a terminal including:
  • One or more processors are One or more processors;
  • the terminal is configured to implement the method described in the first aspect.
  • embodiments of this disclosure provide a network device, including:
  • One or more processors are One or more processors;
  • the network device is configured to implement the method described in the second aspect.
  • embodiments of this disclosure provide a communication system, including a terminal and a network device, wherein:
  • the terminal is configured to implement the method described in the first aspect
  • the network device is configured to implement the method described in the second aspect.
  • embodiments of this disclosure provide a storage medium storing instructions, wherein...
  • the communication device When the instructions are executed on the communication device, the communication device performs the method as described in the first aspect or the second aspect.
  • embodiments of this disclosure provide a program product, wherein,
  • the communication device When the program product is executed by a communication device, the communication device performs the method of the first aspect or the second aspect.
  • embodiments of this disclosure provide a computer program, wherein,
  • the communication device When the computer program is executed by the communication device, the communication device performs the method of the first aspect or the second aspect.
  • each step in a particular embodiment can be implemented as an independent embodiment, and the steps can be arbitrarily combined.
  • a solution after removing some steps in a particular embodiment can also be implemented as an independent embodiment, and the order of the steps in a particular embodiment can be arbitrarily interchanged.
  • the optional implementation methods in a particular embodiment can be arbitrarily combined; moreover, the embodiments can be arbitrarily combined, for example, some or all steps of different embodiments can be arbitrarily combined, and a particular embodiment can be arbitrarily combined with the optional implementation methods of other embodiments.
  • multiple refers to two or more.
  • the terms “at least one of”, “one or more”, “a plurality of”, “multiple”, etc., may be used interchangeably.
  • the notation "at least one of A and B", “A and/or B", “A in one case, B in another”, “in response to one case A, in response to another case B”, etc. may include the following technical solutions depending on the situation: in some embodiments, A (execute A regardless of B); in some embodiments, B (execute B regardless of A); in some embodiments, execution is selected from A and B (A and B are selectively executed); in some embodiments, A and B (both A and B are executed). The same applies when there are more branches such as A, B, C, etc.
  • the notation "A or B” may include the following technical solutions, depending on the situation: in some embodiments, A (execution of A regardless of B); in some embodiments, B (execution of B regardless of A); in some embodiments, execution is selected from A and B (A and B are selectively executed). The same applies when there are more branches such as A, B, C, etc.
  • the descriptive object is a "field,” the ordinal numbers preceding "field” in “first field” and “second field” do not restrict the position or order of the "fields.” "First” and “second” do not restrict whether the "fields” they modify are in the same message, nor do they restrict the order of "first field” and “second field.”
  • the descriptive object is a "level,” the ordinal numbers preceding "level” in “first level” and “second level” do not restrict the priority between “levels.”
  • the number of descriptive objects is not limited by ordinal numbers and can be one or more. For example, in “first device,” the number of "devices" can be one or more.
  • the objects modified by different prefixes can be the same or different.
  • first device and second device can be the same device or different devices, and their types can be the same or different.
  • first information and second information can be the same information or different information, and their content can be the same or different.
  • “including A,” “containing A,” “for indicating A,” and “carrying A” can be interpreted as directly carrying A or indirectly indicating A.
  • the terms “in response to...”, “in response to determining...”, “in the case of...”, “when...”, “if...”, “if...”, etc., can be used interchangeably.
  • the terms “greater than”, “greater than or equal to”, “not less than”, “more than”, “more than or equal to”, “not less than”, “higher than”, “higher than or equal to”, “not lower than”, and “above” can be used interchangeably.
  • the terms “less than”, “less than or equal to”, “not greater than”, “less than”, “less than or equal to”, “not more than”, “lower than”, and “lower than” can also be used interchangeably. Terms such as “equal to”, “not higher than”, and “below” can be used interchangeably.
  • the apparatus and device may be interpreted as physical or virtual, and their names are not limited to the names recorded in the embodiments. In some cases, they may also be understood as “equipment”, “device”, “circuit”, “network element”, “node”, “function”, “unit”, “section”, “system”, “network”, “chip”, “chip system”, “entity”, “body”, etc.
  • network can be interpreted as devices included in the network, such as access network devices, core network devices, etc.
  • access network device may also be referred to as “radio access network device (RAN device),” “base station (BS),” “radio base station,” or “fixed station.” In some embodiments, it may also be understood as “node,” “access point,” “transmission point (TP),” “reception point (RP),” or “transmit and/or receive point.” Terms such as “transmission/reception point (TRP)", “panel”, “antenna panel”, “antenna array”, “cell”, “macro cell”, “small cell”, “femto cell”, “pico cell”, “sector”, “cell group”, “serving cell”, “carrier”, “component carrier”, and “bandwidth part (BWP)” are also used.
  • RAN device radio access network device
  • BS base station
  • RP radio base station
  • BWP bandwidth width part
  • terminal or “terminal device” may be referred to as "user equipment (UE),” “user terminal,” “mobile station (MS),” “mobile terminal (MT),” “subscriber station,” “mobile unit,” “subscriber unit,” “wireless unit,” “remote unit,” “mobile device,” “wireless device,” “wireless communication device,” “remote device,” “mobile subscriber station,” “access terminal,” “mobile terminal,” “wireless terminal,” “remote terminal,” “handset,” “user agent,” “mobile client,” “client,” etc.
  • UE user equipment
  • MS mobile station
  • MT mobile terminal
  • the acquisition of data, information, etc. may comply with the laws and regulations of the country where the location is situated.
  • data, information, etc. may be obtained with the user's consent.
  • each element, each row, or each column in the table of this disclosure can be implemented as an independent embodiment, and any combination of any element, any row, or any column can also be implemented as an independent embodiment.
  • Figure 1a is a schematic diagram of the architecture of a communication system according to an embodiment of the present disclosure.
  • the communication system 100 includes a terminal 101 and a network device 102.
  • terminal 101 includes, for example, a mobile phone, a wearable device, an Internet of Things device, a car with communication capabilities, a smart car, a tablet computer, a computer with wireless transceiver capabilities, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control, a wireless terminal device in self-driving, or a wireless terminal device in remote medical surgery.
  • the device is at least one of, but not limited to, wireless terminal devices in smart grids, wireless terminal devices in transportation safety, wireless terminal devices in smart cities, and wireless terminal devices in smart homes.
  • the network device when network device 102 is a network device, the network device may include at least one of access network device and core network device.
  • the access network device is, for example, a node or device that connects a terminal to a wireless network.
  • the access network device may include, but is not limited to, at least one of the following in a 5G communication system: evolved Node B (eNB), next-generation evolved Node B (ng-eNB), next-generation Node B (gNB), node B (NB), home node B (HNB), home evolved node B (HeNB), wireless backhaul device, radio network controller (RNC), base station controller (BSC), base transceiver station (BTS), base band unit (BBU), mobile switching center, base station in a 6G communication system, open RAN, cloud RAN, base station in other communication systems, and access node in a wireless fidelity (WiFi) system.
  • eNB evolved Node B
  • ng-eNB next-generation evolved Node B
  • gNB next-generation Node B
  • gNB next-generation Node B
  • NB node B
  • HNB home node B
  • the technical solutions of this disclosure can be applied to the Open RAN architecture.
  • the interfaces between or within access network devices involved in the embodiments of this disclosure can be transformed into internal interfaces of Open RAN.
  • the processes and information interactions between these internal interfaces can be implemented by software or programs.
  • the access network device may be composed of a central unit (CU) and a distributed unit (DU).
  • the CU may also be called a control unit.
  • the CU-DU structure can separate the protocol layer of the access network device. Some protocol layer functions are centrally controlled by the CU, while the remaining part or all of the protocol layer functions are distributed in the DU and centrally controlled by the CU. However, this is not the only possibility.
  • a core network device can be a single device comprising one or more network elements, or multiple devices or a group of devices, each comprising all or part of one or more network elements.
  • Network elements can be virtual or physical.
  • the core network includes, for example, at least one of the Evolved Packet Core (EPC), 5G Core Network (5GCN), and Next Generation Core (NGC).
  • EPC Evolved Packet Core
  • 5GCN 5G Core Network
  • NGC Next Generation Core
  • a core network device refers to a network element with a specific function, such as an Access Management Function (AMF) or a Service Management Function (SMF).
  • AMF Access Management Function
  • SMF Service Management Function
  • the entities shown in Figure 1a are illustrative.
  • the communication system may include all or some of the entities in Figure 1a, or it may include other entities besides those in Figure 1a.
  • the number and form of each entity are arbitrary.
  • the connection relationship between the entities is illustrative.
  • the entities may not be connected to each other or may be connected in any way.
  • the connection may be direct or indirect, wired or wireless.
  • LTE Long Term Evolution
  • LTE-A LTE-Advanced
  • LTE-B LTE-Beyond
  • SUPER 3G IMT-Advanced
  • 4th generation mobile communication systems 5G (5th generation mobile communication system), 5G New Radio (NR), Future Radio Access (FRA), New-Radio Access Technology (RAT), New Radio (NR), New Radio Access (NX), Future Generation Radio Access (FX), Global System for Mobile Communications (GSM), CDMA2000, Ultra Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, Ultra-Wideband (UWB), Bluetooth, Public Land Mobile Network (PLMN), Device-to-Device (D2D) systems, Machine-to-Machine (M2M) systems.
  • PLMN Public Land Mobile Network
  • D2D Device-to-Device
  • M2M Machine-to-Machine
  • Machine-to-Machine systems, Internet of Things (IoT) systems, Vehicle-to-Everything (V2X) systems, systems utilizing other communication processing methods, and next-generation systems built upon them.
  • multiple systems can be combined (e.g., a combination of LTE or LTE-A with 5G).
  • Radio Resource Management In Radio Resource Management (RRM) measurements, one objective is to reduce the Layer 3 (L3) measurement delay based on FR2-1 SSB in connected mode.
  • L3 Layer 3
  • methods to reduce measurement delay are introduced, such as optimizing the Rx beam sweeping factor.
  • methods to reduce measurement delay are introduced, such as optimizing the carrier-specific scaling factor (CSSF) outside the measurement gap in carrier aggregation (CA) or dual connectivity (DC) scenarios, assuming a search starting point of 2.
  • CSSF carrier-specific scaling factor
  • CA carrier aggregation
  • DC dual connectivity
  • the measurement scenario (such as L3 measurement) can be as shown in Figure 1b.
  • different RX receive beams such as RX1 and RX2 are used for the same cell (cell1), and p in the figure represents the detection power.
  • the terminal can detect more than 1 SSBs based on multiple-RX. In this scenario, the aforementioned latency problem can be improved, but the number of cells measured by the terminal is relatively small.
  • SMTC Synchronization Signal/Physical Broadcast Channel Block Measurement Timing Configuration
  • This disclosure provides a measurement method that can increase the number of measurement cells in intra-frequency and inter-frequency measurements.
  • Figure 2a is an interactive schematic diagram illustrating a measurement method according to an embodiment of the present disclosure. As shown in Figure 2a, the present disclosure relates to a measurement method, which includes:
  • step S2101 network device 102 sends a reference signal to terminal 101.
  • network device 102 may correspond to multiple cells, or network device 102 may include network devices with multiple cells.
  • multiple cells may be either co-frequency cells or inter-frequency cells.
  • network device 102 can be a network device in a CA or DC scenario.
  • the reference signal may be an SSB.
  • the reference signal may be a Channel-State-Information Reference Signal (CSI-RS).
  • CSI-RS Channel-State-Information Reference Signal
  • the reference signal includes reference signals from multiple cells.
  • step S2101 may include: network device 102 sending reference signals to terminal 101 from multiple cells, or network devices from multiple cells sending reference signals to terminal 101 respectively.
  • the reference signal for each cell may include a reference signal with a different index, which may indicate the configuration information of the reference signal.
  • the configuration information of the reference signals for different cells may differ.
  • the reference signals for cell 1 or cell 2 correspond to SSB#1 and SSB#2.
  • step S2102 terminal 101 receives reference signals through multiple RX panels.
  • multiple RX panels may correspond to multiple cells.
  • one RX panel may be used for receiving and measuring the reference signal of one cell.
  • Terminal 101 receives reference signals from multiple cells through multiple RX panels.
  • multiple RX panels correspond to multiple RX beams.
  • each RX panel may correspond to one or more RX beams.
  • the one or more RX beams corresponding to the RX panel can be used to receive and measure the reference signal of the cell corresponding to the RX panel.
  • step S2103 terminal 101 measures the reference signals of multiple cells through multiple RX panels.
  • terminal 101 receives and measures reference signals from multiple cells via multiple RX panels.
  • terminal 101 can measure the reference signals of multiple cells using multiple RX beams.
  • Each RX beam is used to receive and measure the reference signal of one of the multiple cells.
  • a terminal with multi-RX chain capability on a single carrier its RX beam can be used for different cells.
  • One beam receives the Physical Downlink Control Channel (PDCCH), Physical Downlink Shared Channel (PDSCH), Tracking Reference Signal (TRS), or CSI-RS to obtain CQI, while another beam measures the SSB.
  • the terminal needs more than one SMTC cycle to detect the cell2 reference signal.
  • the discussion of measurement delay due to beam scanning factor is not applicable.
  • the terminal in the scenario of Figure 2b performs cell measurements based on a single RX panel, the number of cells measured and monitored is relatively small.
  • terminal 101 transmits multiple RX beams based on a multi-RX panel for measurement of different cells, which can effectively increase the number of cells being measured.
  • Terminal 101 can simultaneously perform multiple RX beam measurement and reception, improving measurement efficiency.
  • the terminal 101 measures multiple cells in the same frequency (intra-frequency) or in different frequency (inter-frequency) manner.
  • the number of cells measured by terminal 101 increases, and the measurement capability and behavior can be enhanced accordingly.
  • the number of cells and the number of SSBs can be enhanced.
  • the capabilities or behavior of terminal 101 can be enhanced as follows:
  • the measurement when it is a single intra-frequency measurement, it refers to a single intra-frequency layer within a frequency band.
  • the terminal In each measurement period, the terminal satisfies at least one of the following:
  • the number of measurable identified cells is greater than the first value
  • the number of reference signals at different indices that can be measured is greater than the second value
  • PCI Physical Cell Identification
  • FR2 is a millimeter-wave band, wherein the frequency range of FR2-1 is 24.25 GHz to 52.6 GHz, and the frequency range of FR2-2 is 52.6 GHz to 71 GHz.
  • each of the above measurement periods can be a layer 1 measurement period.
  • the first or second value mentioned above corresponds to the value in the relevant protocol.
  • the first value is 6 and the second value is 24.
  • a band may include multiple frequency layers, referred to in this embodiment as an intra-frequency layer.
  • the band may include multiple carriers or be divided into multiple carriers, where each carrier can be considered a frequency layer.
  • the aforementioned single co-frequency layer, or single co-frequency layer can be one of the following:
  • the primary component carrier applies when the terminal is configured in SA NR operating mode and the PCC is within the frequency band.
  • PSCC Primary and secondary component carrier
  • PSCC applies when the terminal is configured with NR-DC and the PSCC is within the frequency band
  • the terminal is configured as one of the SCCs based on the SSB measurement report.
  • the terminal 101 is configured with a synchronization signal RSRP (SS-RSRP) measurement report; otherwise, the selected SCC is determined by the terminal implementation.
  • SS-RSRP synchronization signal RSRP
  • terminal 101 can perform measurements of at least 2 SSBs on other serving cells of the same frequency layer in the same frequency band.
  • the PCI is the cell identifier, and different PCIs can identify different cells.
  • the reference signals for different PCIs that can be measured above can be understood as reference signals for different cells.
  • the capabilities or behavior of terminal 101 can be enhanced as follows:
  • the terminal when the measurement is an inter-frequency measurement, for each inter-frequency layer, the terminal satisfies at least one of the following in each measurement cycle:
  • the number of identified cells that can be measured is greater than the third value
  • the number of reference signals with different indices that can be measured on the inter-frequency layer is greater than the fourth value
  • the number of reference signals for different PCIs that can be measured on the different frequency layers is greater than the fourth value
  • FR1 is a frequency band below 6 GHz, with a frequency range of 410 MHz to 7125 MHz.
  • each of the above measurement cycles can be a measurement cycle for each layer 1.
  • the third or fourth value mentioned above corresponds to the value in the relevant protocol.
  • the third value is 4 and the fourth value is 7.
  • a band may include different carriers.
  • multiple frequency layers may be included.
  • a frequency layer may correspond to multiple carriers in the band combination.
  • the frequency layer of different frequencies may be called an inter-frequency layer or an inter-frequency layer.
  • the terminal when the measurement is a frequency-dependent measurement, for each frequency-dependent layer, the terminal satisfies at least one of the following in each measurement cycle:
  • the number of identified cells that can be measured is greater than the fifth value
  • the number of reference signals with different indices that can be measured on the heterodyne layer is greater than the sixth value
  • the number of reference signals for different PCIs that can be measured on the different frequency layers is greater than the sixth value
  • the number of reference signals measured per identified cell is greater than the seventh value
  • each of the above measurement cycles can be a measurement cycle for each layer 1.
  • the fifth, sixth, or seventh value mentioned above corresponds to the value in the relevant protocol.
  • the fifth value is 4, the sixth value is 10, and the seventh value is 1.
  • the measurement quantity obtained by terminal 101 based on the measurement is at least one of the following:
  • SINR Signal-to-noise ratio
  • RSRP can be a synchronization signal (Synchronization Signal RSRP, SS-RSRP), RSRQ can be SS-RSRQ, and SINR can be SS-SINR.
  • RSRP Synchronization Signal
  • SS-RSRP Synchronization Signal
  • RSRQ can be SS-RSRQ
  • SINR can be SS-SINR.
  • Step 2104 Terminal 101 sends a measurement report to network device 102.
  • the terminal 101 can report the measurements according to the measurement configuration of the network device 102.
  • terminal 101 may perform cell selection or cell handover according to further instructions from network device 102.
  • the names of information, etc. are not limited to the names described in the embodiments. Terms such as “information”, “message”, “signal”, “signaling”, “report”, “configuration”, “indication”, “instruction”, “command”, “channel”, “parameter”, “domain”, and “field” can be used interchangeably.
  • “get,” “obtain,” “receive,” “transmit,” “bidirectional transmission,” and “send and/or receive” can be used interchangeably and can be interpreted as receiving from other entities, obtaining from protocols, obtaining from higher layers, obtaining through self-processing, or autonomous implementation, among other meanings.
  • terms such as "radio,””wireless,””radio access network (RAN),””access network (AN),” and “RAN-based” can be used interchangeably. Interchange.
  • terms such as “moment,” “point in time,” “time,” and “time location” can be used interchangeably, as can terms such as “duration,” “segment,” “time window,” “window,” and “time.”
  • component carrier CC
  • cell CC
  • frequency carrier CC
  • carrier frequency CC
  • terms such as “certain,” “preset,” “default,” “set,” “indicated,” “a certain,” “any,” and “first” can be used interchangeably.
  • “Certain A,” “preset A,” “default A,” “set A,” “indicated A,” “a certain A,” “any A,” and “first A” can be interpreted as A pre-defined in a protocol or the like, or as A obtained through setting, configuration, or instruction, or as specific A, a certain A, any A, or first A, but are not limited thereto.
  • the determination or judgment can be made by a value represented by 1 bit (0 or 1), or by a true or false value (boolean), or by a comparison of numerical values (e.g., a comparison with a predetermined value), but is not limited thereto.
  • not expecting to receive can be interpreted as not receiving on time domain resources and/or frequency domain resources, or as not performing subsequent processing on the data after receiving it; "not expecting to send” can be interpreted as not sending, or as sending but not expecting the receiver to respond to the sent content.
  • the method involved in the embodiments of this disclosure may include at least one of steps S2101 to S2104.
  • Figure 3a is a flowchart illustrating a measurement method according to an embodiment of the present disclosure. As shown in Figure 3a, this embodiment of the present disclosure relates to a measurement method executed by terminal 101, the method comprising:
  • Step 3101 Receive reference signals through multiple RX panels.
  • step S3101 can be referred to the implementation of step S2102 in FIG2a, and will not be repeated here.
  • Step S3102 Measure the reference signals of multiple cells using multiple RX panels.
  • step S3102 can be referred to the implementation of step S2103 in FIG2a, and will not be repeated here.
  • Step S3103 Send the measurement report.
  • step S3103 can be referred to the implementation of step S2104 in FIG2a, and will not be repeated here.
  • the method involved in the embodiments of this disclosure may include at least one of steps S3101 to S3104.
  • Figure 3b is a flowchart illustrating a measurement method according to an embodiment of the present disclosure. As shown in Figure 3b, this embodiment of the present disclosure relates to a measurement method executed by terminal 101, the method comprising:
  • Step 3201 Receive reference signals through multiple RX panels.
  • step S3201 can be found in the implementation of step S2101 in FIG2a, and will not be repeated here.
  • Step S3202 Measure the reference signals of multiple cells using multiple RX panels.
  • step S3202 can be found in the implementation of step S2102 in FIG2a, and will not be repeated here.
  • Figure 4a is a flowchart illustrating a measurement method according to an embodiment of the present disclosure. As shown in Figure 4a, this embodiment of the present disclosure relates to a measurement method executed by a network device 102, the method comprising:
  • Step 4101 Send a reference signal.
  • step S4101 can be found in the implementation of steps S2101 to S2103 in Figure 2a, and will not be repeated here.
  • Step S4102 Send the measurement report.
  • step S4102 can be referred to the implementation of step S2104 in FIG2a, and will not be repeated here.
  • the method involved in the embodiments of this disclosure may include at least one of steps S4101 to S4102.
  • Figure 4b is a flowchart illustrating a measurement method according to an embodiment of the present disclosure. As shown in Figure 4b, this embodiment of the present disclosure relates to a measurement method executed by a network device 102, the method comprising:
  • Step 4201 Send a reference signal.
  • step S4201 can be found in the implementation of steps S2101 to S2103 in Figure 2a, and will not be repeated here.
  • the UE supporting multiple RX panels can measure and monitor more cells compared to a UE using a single RX panel to perform the same cell measurement.
  • the UE performing multiple RX panel measurements on different cells increases the number of cells being measured.
  • the UE's measurement capabilities and behavior in NR and 6G can be enhanced as the number of co-frequency cells to be measured increases.
  • the following requirements can be defined for the number of cells and the number of SSBs:
  • UEs supporting multiple RX beams for different measurement cells should be able to perform at least the following SS-RSRP, SS-RSRQ, and SS-SINR measurements:
  • a single frequency layer with the same frequency should be:
  • PCC applies when the UE is configured in SA NR operating mode and the PCC is within the frequency band;
  • PSCC applies when the UE is configured with EN-DC and the PSCC is within the frequency band
  • PSCC applies when the UE is configured with NR-DC and the PSCC is within the frequency band
  • the UE is configured as one of the SCCs based on the SSB measurement report.
  • the terminal 101 is configured with the SS-RSRP measurement report; otherwise, the selected SCC is determined by the terminal implementation.
  • the UE should be able to perform SS-RSRP, SS-RSRQ and SS-SINR measurements for at least two SSBs on the serving cell of each other frequency inner layer in the same frequency band.
  • the UE's measurement capabilities and behavior in NR and 6G can be enhanced as the number of inter-frequency cells to be measured increases.
  • the following requirements can be defined for the number of cells and the number of SSBs:
  • the UE For each inter-frequency layer, during each layer 1 measurement period, the UE should be able to perform at least the following SS-RSRP, SS-RSRQ, and SS-SINR measurements:
  • UEs supporting multiple RX beams for different measurement cells should be able to perform at least the following SS-RSRP, SS-RSRQ, and SS-SINR measurements:
  • This disclosure provides a method for a UE to perform measurements using multiple RX panels.
  • the measurement can be performed on both intra-frequency and inter-frequency cells.
  • each of the multiple RX panels can be used to measure different cells.
  • the UE is capable of simultaneously performing multiple RX beam measurements and receptions.
  • the number of cells that the UE needs to measure can be increased compared to the UE in Rel15.
  • This disclosure also provides an apparatus for implementing any of the above methods.
  • an apparatus is provided that includes units or modules for implementing the steps performed by the terminal in any of the above methods.
  • another apparatus is provided that includes units or modules for implementing the steps performed by a network device (e.g., an access network device, a core network functional node, a core network device, etc.) in any of the above methods.
  • a network device e.g., an access network device, a core network functional node, a core network device, etc.
  • the division of units or modules in the above device is only a logical functional division. In actual implementation, they can be fully or partially integrated into a single physical entity, or they can be physically separated.
  • the units or modules in the device can be implemented in the form of a processor calling software: for example, the device includes a processor connected to a memory, the memory storing instructions, and the processor calling the instructions stored in the memory to implement any of the above methods or to implement the functions of the units or modules in the above device.
  • the processor can be, for example, a general-purpose processor, such as a Central Processing Unit (CPU) or a microprocessor, and the memory can be internal or external to the device.
  • the units or modules in the device can be implemented in the form of hardware circuitry.
  • the functions of some or all units or modules are implemented through the design of hardware circuits. These hardware circuits can be understood as one or more processors.
  • the hardware circuit is an application-specific integrated circuit (ASIC).
  • ASIC application-specific integrated circuit
  • the functions of some or all units or modules are implemented through the design of the logical relationships between the components within the circuit.
  • the hardware circuit can be implemented using a programmable logic device (PLD). Taking a field-programmable gate array (FPGA) as an example, it can include a large number of logic gates. The connection relationships between the logic gates are configured through configuration files, thereby realizing the functions of some or all units or modules. All units or modules of the above device can be implemented entirely through processor-called software, entirely through hardware circuits, or partially through processor-called software with the remaining parts implemented through hardware circuits.
  • PLD programmable logic device
  • the processor is a circuit with signal processing capabilities.
  • the processor can be a circuit with instruction read and execute capabilities, such as a Central Processing Unit (CPU), a microprocessor, a graphics processing unit (GPU) (which can be understood as a microprocessor), or a digital signal processor (DSP).
  • the processor can implement certain functions through the logical relationships of hardware circuits. The logical relationships of the aforementioned hardware circuits are fixed or reconfigurable.
  • the processor is a hardware circuit implemented using an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA.
  • ASIC application-specific integrated circuit
  • PLD programmable logic device
  • the process of the processor loading a configuration document and configuring the hardware circuit can be understood as the process of the processor loading instructions to implement the functions of some or all of the above units or modules.
  • it can also be hardware circuits designed for artificial intelligence, which can be understood as ASICs, such as Neural Network Processing Unit (NPU), Tensor Processing Unit (TPU), Deep Learning Processing Unit (DPU), etc.
  • ASICs such as Neural Network Processing Unit (NPU), Tensor Processing Unit (TPU), Deep Learning Processing Unit (DPU), etc.
  • Figure 5a is a schematic diagram of the terminal structure proposed in an embodiment of this disclosure.
  • the terminal 5100 may include at least one of a transceiver module 5101, a processing module 5102, etc.
  • the transceiver module 5101 is used to receive reference signals transmitted by a network device through multiple receiving RX panels, wherein the reference signals transmitted by the network device include reference signals of multiple cells; the processing module 5102 is used to measure the reference signals of the multiple cells.
  • the transceiver module 5101 is used to perform at least one of the communication steps such as sending and/or receiving performed by the terminal 101 in any of the above methods, which will not be described in detail here.
  • the processing module 5102 is used to perform at least one of the other steps performed by the terminal 101 in any of the above methods, which will not be described in detail here.
  • Figure 5b is a schematic diagram of the terminal structure proposed in an embodiment of this disclosure.
  • the network device 5200 may include at least one of a transceiver module 5201, a processing module 5202, etc.
  • the transceiver module 5201 is used to send a reference signal to the terminal, wherein the reference signal includes reference signals of multiple cells, and the reference signals of the multiple cells are used to receive and measure through multiple RX panels.
  • the transceiver module may include a transmitting module and/or a receiving module, which may be separate or integrated.
  • the transceiver module may be interchangeable with a transceiver.
  • the processing module may be a single module or may include multiple sub-modules.
  • the multiple sub-modules may each perform all or part of the steps required by the processing module.
  • the processing module may be interchangeable with a processor.
  • Figure 6a is a schematic diagram of the structure of the communication device 6100 proposed in an embodiment of this disclosure.
  • the communication device 6100 can be a network device (e.g., access network device, core network device, etc.), a terminal (e.g., user equipment, etc.), a chip, chip system, or processor that supports the network device in implementing any of the above methods, or a chip, chip system, or processor that supports the terminal in implementing any of the above methods.
  • the communication device 6100 can be used to implement the methods described in the above method embodiments; for details, please refer to the descriptions in the above method embodiments.
  • the communication device 6100 includes one or more processors 6101.
  • the processor 6101 can be a general-purpose processor or a dedicated processor, such as a baseband processor or a central processing unit (CPU).
  • the baseband processor can be used to process communication protocols and communication data, while the CPU can be used to control communication devices (e.g., base stations, baseband chips, terminal devices, terminal device chips, DUs or CUs, etc.), execute programs, and process program data.
  • the communication device 6100 can be used to execute any of the above methods.
  • one or more processors 6101 can be used to invoke instructions to cause the communication device 6100 to execute any of the above methods.
  • the communication device 6100 further includes one or more transceivers 6102.
  • the transceiver 6102 performs at least one of the communication steps such as sending and/or receiving in the above method, and the processor 6101 performs at least one of the other steps.
  • the transceiver may include a receiver and/or a transmitter, which may be separate or integrated.
  • transceiver transceiver unit, transceiver, transceiver circuit, interface circuit, interface, etc.
  • transmitter transmitting unit, transmitter, transmitting circuit, etc.
  • receiver receiving unit, receiver, receiving circuit, etc.
  • the communication device 6100 further includes one or more memories 6103 for storing data.
  • the memories 6103 may be located outside the communication device 6100.
  • the communication device 6100 may include one or more interface circuits 6104.
  • the interface circuits 6104 are connected to the memories 6103 and can be used to receive data from the memories 6103 or other devices, and to send data to the memories 6103 or other devices.
  • the interface circuits 6104 can read data stored in the memories 6103 and send that data to the processor 6101.
  • the communication device 6100 described in the above embodiments may be a network device or a terminal, but the scope of the communication device 6100 described in this disclosure is not limited thereto, and the structure of the communication device 6100 may not be limited by FIG. 6a.
  • the communication device may be a standalone device or a part of a larger device.
  • the communication device may be: (1) a standalone integrated circuit IC, or chip, or chip system or subsystem; (2) a collection of one or more ICs, optionally, the IC collection may also include storage components for storing data and programs; (3) an ASIC, such as a modem; (4) a module that can be embedded in other devices; (5) a receiver, terminal device, smart terminal device, cellular phone, wireless device, handheld device, mobile unit, vehicle device, network device, cloud device, artificial intelligence device, etc.; (6) others, etc.
  • Figure 6b is a schematic diagram of the structure of chip 6200 according to an embodiment of this disclosure.
  • the communication device 6100 can be a chip or a chip system, please refer to the schematic diagram of chip 6200 shown in Figure 6b, but it is not limited thereto.
  • Chip 6200 includes one or more processors 6201. Chip 6200 is used to perform any of the methods described above.
  • chip 6200 further includes one or more interface circuits 6202.
  • interface circuits 6202. terms such as interface circuit, interface, and transceiver pin can be used interchangeably.
  • chip 6200 further includes one or more storage devices for storing data. Memory 6203.
  • all or part of memory 6203 may be located outside of chip 6200.
  • interface circuitry 6202 is connected to memory 6203.
  • Interface circuitry 6202 can be used to receive data from memory 6203 or other devices, and interface circuitry 6202 can be used to send data to memory 6203 or other devices.
  • interface circuitry 6202 can read data stored in memory 6203 and send that data to processor 6201.
  • the interface circuit 6202 performs at least one of the communication steps, such as sending and/or receiving, in the above-described method.
  • the interface circuit 6202 performing the communication steps, such as sending and/or receiving, in the above-described method means that the interface circuit 6202 performs data interaction between the processor 6201, the chip 6200, the memory 6203, or the transceiver device.
  • the processor 6201 performs at least one of the other steps.
  • modules and/or devices described in the various embodiments can be combined or separated arbitrarily as needed.
  • some or all steps can also be performed collaboratively by multiple modules and/or devices, which is not limited here.
  • the storage medium is an electronic storage medium.
  • the storage medium is a computer-readable storage medium, but not limited thereto; it may also be a storage medium readable by other devices.
  • the storage medium may be a non-transitory storage medium, but not limited thereto; it may also be a temporary storage medium.
  • This disclosure also provides a program product that, when executed by the communication device 6100, causes the communication device 6100 to perform any of the above methods.
  • the program product is a computer program product.
  • This disclosure also proposes a computer program that, when run on a computer, causes the computer to perform any of the above methods.
  • the terminal receives and measures reference signals from different cells through multiple RX panels, which can effectively increase the number of cells measured, which is beneficial for cell selection or cell reselection in more cells and improves communication quality.

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

Abstract

La présente divulgation concerne un procédé de mesure, un terminal, un système et un support de stockage. Le procédé consiste à : recevoir, au moyen d'une pluralité de panneaux de réception (RX), des signaux de référence envoyés par un dispositif réseau, les signaux de référence envoyés par le dispositif réseau comprenant des signaux de référence d'une pluralité de cellules ; et mesurer les signaux de référence de la pluralité de cellules. Dans le procédé de la présente divulgation, un terminal reçoit et mesure des signaux de référence de différentes cellules au moyen d'une pluralité de panneaux RX de telle sorte que le nombre de cellules à mesurer peut être efficacement augmenté et que la sélection ou la resélection de cellule parmi un plus grand nombre de cellules est facilitée, ce qui permet d'améliorer la qualité de communication.
PCT/CN2024/093774 2024-05-16 2024-05-16 Procédé de mesure, terminal, système et support de stockage Pending WO2025236254A1 (fr)

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PCT/CN2024/093774 WO2025236254A1 (fr) 2024-05-16 2024-05-16 Procédé de mesure, terminal, système et support de stockage

Applications Claiming Priority (1)

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PCT/CN2024/093774 WO2025236254A1 (fr) 2024-05-16 2024-05-16 Procédé de mesure, terminal, système et support de stockage

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WO2025236254A1 true WO2025236254A1 (fr) 2025-11-20

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