WO2025166830A1 - Technologies de mesure de cellules voisines - Google Patents

Technologies de mesure de cellules voisines

Info

Publication number
WO2025166830A1
WO2025166830A1 PCT/CN2024/077140 CN2024077140W WO2025166830A1 WO 2025166830 A1 WO2025166830 A1 WO 2025166830A1 CN 2024077140 W CN2024077140 W CN 2024077140W WO 2025166830 A1 WO2025166830 A1 WO 2025166830A1
Authority
WO
WIPO (PCT)
Prior art keywords
candidate cells
measurement
candidate
capability
cell
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/CN2024/077140
Other languages
English (en)
Inventor
Qiming Li
Yang Tang
Xiang Chen
Manasa RAGHAVAN
Jie Cui
Dawei Zhang
Hong He
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.)
Apple Inc
Original Assignee
Apple Inc
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 Apple Inc filed Critical Apple Inc
Priority to PCT/CN2024/077140 priority Critical patent/WO2025166830A1/fr
Publication of WO2025166830A1 publication Critical patent/WO2025166830A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/0085—Hand-off measurements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data

Definitions

  • This application relates generally to communication networks and, in particular, to measurements for serving cell configuration.
  • TSs Third Generation Partnership Project (3GPP) Technical Specifications
  • 3GPP Third Generation Partnership Project
  • TSs Technical Specifications
  • FIG. 1 illustrates a network environment in accordance with some embodiments.
  • FIG. 2 illustrates a timing diagram in accordance with some embodiments.
  • FIG. 4 illustrates an operation flow/algorithmic structure in accordance with some embodiments.
  • FIG. 6 illustrates a bandwidth configuration in accordance with some embodiments.
  • FIG. 8 illustrates another operation flow/algorithmic structure in accordance with some embodiments.
  • FIG. 9 illustrates an operation flow/algorithmic structure in accordance with some embodiments.
  • FIG. 10 illustrates an operation flow/algorithmic structure in accordance with some embodiments.
  • FIG. 11 illustrates a user equipment in accordance with some embodiments.
  • FIG. 12 illustrates a network node in accordance with some embodiments.
  • the second condition may be whether the received timing difference (RTD) among candidate cells is within cyclic prefix (CP) duration.
  • RTD received timing difference
  • CP cyclic prefix
  • the UE 104 may use a single fast Fourier transform (FFT) operation to process the received reference signals from multiple candidate cells, e.g., the same amount of resources used to process signals from a single candidate cell.
  • FFT fast Fourier transform
  • the UE 104 may use the rest of its resources to measure other cells, e.g., with RTD larger than the CP duration of the serving cell.
  • the UE 104 may include a parameter, X additional , in the UE capability report to indicate to the base station 108 that the UE 104 is capable of an additional number of candidate cells, in addition to X intra or X total . Therefore, the UE 104 may be capable of supporting a maximum number of X intra + X additional or X total + X additional candidate cell measurements.
  • the UE 104 may dynamically indicate the number of additional candidate cell measurements it can support as long as the reference signals from all activated candidate cells, in addition to X intra and X total , have RTDs smaller than the CP duration of the serving cell.
  • the UE 104 may use the UE capability report or uplink control information (UCI) to send the dynamic indication.
  • UCI uplink control information
  • the UE 104 may use dynamic UE capability parameters, ⁇ X intra_CP or ⁇ X total_CP , to indicate the supported number of candidate cells in addition to X intra and X total , respectively. Therefore, the UE 104 may be capable of supporting a number of X intra + ⁇ X intra_CP or X total + ⁇ X intra_CP candidate cell measurements.
  • the candidate cell measurements stated above may be an L1 measurement.
  • the L1 measurement for a candidate cell may be an L1-RSRP measurement.
  • the L1 measurement can help the UE 104 to perform fine and accurate time and frequency tracking and fine beam training on neighbor cells before switching. By performing these operations, the cell switch latency may be reduced, and system throughput degradation during legacy cell switch procedure may be minimized.
  • the L1 measurement may increase complexity and power consumption at the UE 104. It is desired to reduce the latency and enhance the user experience during the LTM cell switch while managing the complexity and power consumption at the UE 104.
  • FIG. 2 is a timing diagram 200 illustrating aspects of LTP operation in accordance with some embodiments.
  • the timing diagram 200 may include operations performed by, and signaling messages transmitted between, the UE 104 and the base station 108. Operations described with respect to the base station 108 may be performed by one or more components of the RAN, including, for example, a transmission and reception point (TRP) , a non-terrestrial network (NTN) device, etc.
  • TRP transmission and reception point
  • NTN non-terrestrial network
  • the signaling diagram 200 represents an embodiment in which the UE 104 may perform measurements for candidate cells and send a report to the base station 108 to support LTM operation.
  • the LTM operation may be based on L1 measurement on configured and activated neighbor cells and cell switch procedure.
  • the LTM may be applicable to standalone, carrier aggregation, and NR-dual connectivity (DC) with serving cell change within one cell group (CG) .
  • LTM may be applicable to intra-distributed unit (DU) cases and intra-central unit (CU) inter-DU cases.
  • LTM may be applicable to both intra-frequency and inter-frequency as well as to both frequency range (FR) 1 and FR2.
  • the source and target cells may be synchronized or non-synchronized.
  • the UE 104 may perform beam management for the activated candidate cells.
  • the beam management may include radio link monitoring, beam failure detection, and candidate beam discovery.
  • the L1 measurement may include L1-RSRP measurement on SSB.
  • the base station 108 may configure the UE 104 with candidate cells.
  • the base station 108 may send one or more RRC configuration or reconfiguration messages to configure one or more neighbor cells, which may be called candidate cells or candidate target cells.
  • the UE 104 may receive and process the RRC signaling and apply the configuration.
  • the base station 108 may send a control message to activate one or more configured cells.
  • the UE 104 may receive and process the control message and initiate monitoring or performing measurements associated with the activated candidate cells.
  • the base station 108 may include the control message in a medium access control (MAC) control element (CE) .
  • MAC medium access control
  • CE control element
  • the UE 104 may perform downlink (DL) synchronization and timing advance (TA) acquisition with the activated candidate cells.
  • DL downlink
  • TA timing advance
  • the UE may use the synchronization signals, e.g., the primary synchronization signal (PSS) , secondary synchronization signal (SSS) , or SS on SSB, to synchronize with the activated candidate cell.
  • PSS primary synchronization signal
  • SSS secondary synchronization signal
  • SSB SS on SSB
  • the UE 104 may perform L1 measurement on the activated candidate cells. For example, the UE may measure L1-RSRP associated with the activated candidate cells and generate measurement results.
  • the base station 108 may identify a target cell among the activated candidate cells. The base station 108 may decide to execute the LTM cell switch to the target cell.
  • the UE 104 may perform the cell switch procedure.
  • the cell switch procedure may include detaching from the source cell and applying the target cell configuration, e.g., target cell RRC configurations.
  • FIG. 3 is a configured information element (IE) 300 illustrating aspects of candidate cell configuration in accordance with some embodiments.
  • the IE 300 may include operations performed by, and signaling messages transmitted between, the UE 104 and the base station 108. Operations described with respect to the base station 108 may be performed by one or more components of the RAN, including, for example, a TRP, an NTN device, etc.
  • the IE 300 represents an embodiment in which the configured stationary criteria are used for the validity check of the measurement results obtained during the RRC idle or inactive modes.
  • the base station 108 may configure one or more cell groups. Each cell group may include one or more candidate cells.
  • the base station 108 may configure a number of candidate cells that are more than X intra and X total .
  • the number of configured candidate cells may be more than X intra + X additional and X total + X additional .
  • the base station 108 may only activate a number of candidate cells based on X intra or X total , e.g., no more than X intra or X total .
  • the base station 108 configures two cell groups, e.g., group1 and group2.
  • Group1 includes two candidate cells, cell1 and cell2, and group2 includes two candidate cells, cell3 and cell4.
  • the base station 108 may activate one or more cell groups for L1 measurement.
  • the base station 108 may activate the group1.
  • the base station 108 may activate group1 by including the group ID of group1 in a MAC CE activation command.
  • the base station 108 may activate the candidate cells directly.
  • the base station 108 may include the candidate cell ID in the activation command included in a MAC CE to activate a candidate cell associated with that cell ID.
  • the UE 104 may indicate dynamic UE capability parameters ⁇ X intra or ⁇ X total to the base station 108.
  • the UE 104 may generate a UE capability report including ⁇ X intra or ⁇ X total and send the report to the base station 108.
  • the base station 108 may activate additional cell groups or candidate cells.
  • the base station 108 may activate cell group group2.
  • the base station 108 may activate cell group group2 via an activation command in a MAC CE that includes the cell group ID associated with the group2.
  • the UE 104 may perform L1 measurement on activated candidate cells or candidate cells associated with activated cell groups. For example, the UE 104 may perform L1 measurements on cell1 and cell2 associated with the activated group1 and on cell3 and cell4 associated with group2.
  • the UE 104 may check if the UE 104 still has available resources for additional L1 measurements. The UE 104 may determine that the condition has changed and that the UE 104 can no longer support additional candidate cells for L1 measurements. In this case, the UE 104 may follow the “No” branch to 455.
  • the UE 104 may indicate to the base station 108 that the additional measurements are no longer feasible. For example, an indication may be included in an UL control information (UCI) .
  • UCI UL control information
  • the UE 104 may suggest which cell group should be deactivated by including its cell group ID in the indication or UCI.
  • the UE 14 may include the cell group ID of the group2.
  • the base station 108 may send a deactivation command to the UE 104 to deactivate one or more activated cells or cell groups.
  • the base station may deactivate candidate cells or cell groups by sending a deactivation command via a MAC CE, including the ID of the candidate cells or cell groups to be deactivated.
  • the base station 108 may or may not follow the UE 104 recommendation regarding which cell or cell groups to deactivate. In this example, the base station 108 sends a deactivation command to deactivate group2.
  • the UE 104 may continue performing L1 measurements on remaining activated cells or cell groups, e.g., cell1 and cell2.
  • the UE may use a single FFT to measure all of them in one operation, e.g., the same amount of computation as for the single cell measurement.
  • the base station 108 may activate two candidate cells. If the RTDs of the two activated candidate cells are within CP of the serving cell, e.g., the RTD of each candidate cell is smaller than the CP duration, then the UE 104 may use a single FFT to perform the L1 measurements of both cells. Therefore, the UE 104 has an additional unused FFT.
  • the UE 104 may generate the report 520 and send it to the base station 108.
  • the report 520 may include dynamic UE capabilities, ⁇ X intra_CP or ⁇ X total_CP , to indicate support of additional candidate cells for L1 measurements with the condition that the RSs from all candidate cells configured for L1 measurement are within the CP duration of the serving cell.
  • the base station 108 may use control 515 to activate additional candidate cells or cell groups in response to ⁇ X intra_CP or ⁇ X total_CP .
  • the UE 104 may assume that the activated candidate cells meet the condition, e.g., the RSs from all activated candidate cells for L1 measurement are within the CP duration of the serving cell.
  • the serving cell and the activated neighbor cell may be configured with 15 kilohertz (kHz) subcarrier spacing (SCS) .
  • the CP duration for the serving cell may be about 4.7 microseconds ( ⁇ s) .
  • the signals may be misaligned because of the RTD and timing alignment error (TAE) .
  • TAE timing alignment error
  • the sum of TAE and RTD must be lower than the CP duration of 4.7 ⁇ s.
  • TAE 3 ⁇ s
  • the RTD must be less than 1.7 ⁇ s.
  • the 1.7 ⁇ s may correspond to 500 m distance between the transmitter and the receiver.
  • the TAE can be reduced below 3 ⁇ s when the base station 108 and the UE 104 are equipped with global navigation satellite system (GNSS) .
  • GNSS global navigation satellite system
  • FIG. 6 illustrates a bandwidth (BW) configuration 600 in accordance with some embodiments.
  • the bandwidth configuration 600 is an example of using the UE capability report to activate candidate cells for L1 measurement in support of LTM cell switch operation.
  • the base station 108 may configure the UE 104 with a configured BW.
  • the first BWP that the UE 104 is configured with at the time of initial access may be referred to as the initial BWP.
  • the initial BWP may be the same as the configured BW.
  • the base station 108 may activate one of the configured BWPs.
  • the configured BS may be partitioned into one or more partitions, referred to as the BW part (BWP) .
  • BWP BW part
  • the configured BW may be configured into BWP1, BWP2, BWP3, and BWP4.
  • an L1 measurement based on an RS completely within the UE's active BWP is considered a measurement outside the measurement gap.
  • the L1 measurement is considered to be performed outside the measurement gap. Every other L1 measurement may be considered to be performed within the measurement gap.
  • the L1 measurement based on RS1 in the active BWP1 is considered a measurement outside the measurement gap.
  • Any L1 measurement based on RS2 on BWP2, RS3 on BWP3, or RS4 on BWP4 is considered a measurement within the measurement gap.
  • the UE may report UE capabilities, including X within_gap and X outside_gap parameters.
  • the parameter X within_gap may indicate the maximum number of supported candidate cells for L1 measurement within the measurement gap.
  • the parameter X outside_gap may indicate the maximum number of supported candidate cells for L1 measurement outside the measurement gap.
  • the operation flow/algorithmic structure 700 may include, at 710, determining UE capability parameters.
  • the UE 104 may determine capability parameters, including the first parameter, X intra , the second parameter, X total , and the third parameter, X additional .
  • the third parameter may indicate a capability to perform measurements for a third number of candidate cells, X additional , in addition to X intra or X total .
  • the UE 104 may determine the first dynamic UE capability parameter, ⁇ X intra , and the second dynamic UE capability parameter, ⁇ X total .
  • the second dynamic UE capability parameter may indicate a capability to perform intra-frequency and inter-frequency L1-RSRP measurement for a fifth number of candidate cells in addition to X total .
  • the operation flow/algorithmic structure 700 may include, at 720, generating signals to transmit the UE capability parameters.
  • the UE 104 may report the UE capabilities in a UE capability report to the base station 108.
  • Figure 8 illustrates an operational flow/algorithmic structure 800 in accordance with some embodiments.
  • the operation flow/algorithmic structure 800 may be performed or implemented by a base station such as, for example, the base station 108 or the base station 1200; or components thereof, for example, baseband processor circuitry 1204A.
  • the operation flow/algorithmic structure 800 may include, at 810, receiving UE capability parameters.
  • the UE capability parameters may include X intra , X total , or X additional .
  • the base station 108 may receive dynamic UE capability parameters from the UE 104.
  • the dynamic UE capability parameters may include ⁇ X intra or ⁇ X total .
  • the configuration message may include configuration information of one or more candidate cells or cell groups.
  • the configuration message may include an activation command of one or more candidate cells or cell groups or a deactivation command of one or more activated candidate cells or cell groups.
  • FIG. 9 illustrates an operation flow/algorithmic structure 900 in accordance with some embodiments.
  • the operation flow/algorithmic structure 900 may be performed or implemented by a UE such as, for example, the UE 104 or UE 1100; or components thereof, for example, baseband processor circuitry 1104A.
  • the operation flow/algorithmic structure 900 may include, at 910, determining UE capability parameters.
  • the UE 104 may determine capability parameters, including the first parameter, X intra , and the second parameter, X total , as described above in FIG. 8.
  • the operation flow/algorithmic structure 900 may include, at 920, determining dynamic UE capability parameters.
  • the UE 104 may determine the first dynamic UE capability parameter, ⁇ X intra_CP , and the second dynamic UE capability parameter, ⁇ X total_CP .
  • the second dynamic UE capability parameter may indicate a capability to perform intra-frequency and inter-frequency L1-RSRP measurement for a fifth number of candidate cells in addition to X total .
  • the UE may assume that the RTDs of RSs of all the additionally activated candidate cells or cell groups are smaller than the CP of the serving cell.
  • the operation flow/algorithmic structure 900 may include, at 930, generating signals to transmit UE capability and dynamic UE capability parameters.
  • FIG. 10 illustrates an operation flow/algorithmic structure 1000 in accordance with some embodiments.
  • the operation flow/algorithmic structure 1000 may be performed or implemented by a UE such as, for example, the UE 104 or UE 1100; or components thereof, for example, baseband processor circuitry 1104A.
  • the first parameter may indicate a capability to perform L1-RSRP measurement within a measurement gap for a first number of candidate cells, X within_gap .
  • the UE 104 may receive and process a configuration from the base station 108.
  • the configuration may configure a cell group with one or more candidate cells.
  • the processors 1104 may include processor circuitry such as, for example, baseband processor circuitry (BB) 1104A, central processor unit circuitry (CPU) 1104B, and graphics processor unit circuitry (GPU) 1104C.
  • the processors 1104 may include any type of circuitry or processor circuitry that executes or otherwise operates computer-executable instructions, such as program code, software modules, or functional processes from memory/storage 1112 to cause the UE 1100 to perform operations as described herein.
  • the processors 1104 may also include interface circuitry 1104D to communicatively couple the processor circuitry with one or more other components of the UE 1100.
  • the baseband processor circuitry 1104A may generate or process baseband signals or waveforms that carry information in 3GPP-compatible networks.
  • the waveforms for NR may be based on cyclic prefix OFDM (CP-OFDM) in the uplink or downlink, and discrete Fourier transform spread OFDM (DFT-S-OFDM) in the uplink.
  • CP-OFDM cyclic prefix OFDM
  • DFT-S-OFDM discrete Fourier transform spread OFDM
  • the memory/storage 1112 may include any suitable volatile or non-volatile memory such as, but not limited to, dynamic random access memory (DRAM) , static random access memory (SRAM) , erasable programmable read only memory (EPROM) , electrically erasable programmable read only memory (EEPROM) , Flash memory, solid-state memory, or any other type of memory device technology.
  • DRAM dynamic random access memory
  • SRAM static random access memory
  • EPROM erasable programmable read only memory
  • EEPROM electrically erasable programmable read only memory
  • Flash memory solid-state memory, or any other type of memory device technology.
  • the RF interface circuitry 1108 may be configured to transmit/receive signals in a manner compatible with NR access technologies.
  • the user interface 1116 includes various input/output (I/O) devices designed to enable user interaction with the UE 1100.
  • the user interface 1116 includes input device circuitry and output device circuitry.
  • Input device circuitry includes any physical or virtual means for accepting an input including, inter alia, one or more physical or virtual buttons (for example, a reset button) , a physical keyboard, keypad, mouse, touchpad, touchscreen, microphones, scanner, headset, or the like.
  • the output device circuitry includes any physical or virtual means for showing information or otherwise conveying information, such as sensor readings, actuator position (s) , or other like information.
  • Output device circuitry may include any number or combinations of audio or visual display, including, inter alia, one or more simple visual outputs/indicators (for example, binary status indicators such as light emitting diodes (LEDs) and multi-character visual outputs, or more complex outputs such as display devices or touchscreens (for example, liquid crystal displays (LCDs) , LED displays, quantum dot displays, and projectors) , with the output of characters, graphics, multimedia objects, and the like being generated or produced from the operation of the UE 1100.
  • simple visual outputs/indicators for example, binary status indicators such as light emitting diodes (LEDs) and multi-character visual outputs, or more complex outputs such as display devices or touchscreens (for example, liquid crystal displays (LCDs) , LED displays, quantum dot displays, and projectors)
  • LCDs liquid crystal displays
  • LED displays for example, LED displays, quantum dot displays, and projectors
  • the sensors 1120 may include devices, modules, or subsystems whose purpose is to detect events or changes in their environment and send the information (sensor data) about the detected events to some other device, module, or subsystem.
  • sensors include inertia measurement units comprising accelerometers, gyroscopes, or magnetometers; microelectromechanical systems or nanoelectromechanical systems comprising 3-axis accelerometers, 3-axis gyroscopes, or magnetometers; level sensors; flow sensors; temperature sensors (for example, thermistors) ; pressure sensors; barometric pressure sensors; gravimeters; altimeters; image capture devices (for example, cameras or lensless apertures) ; light detection and ranging sensors; proximity sensors (for example, infrared radiation detector and the like) ; depth sensors; ambient light sensors; ultrasonic transceivers; and microphones or other like audio capture devices.
  • inertia measurement units comprising accelerometers, gyroscopes, or magnetometers
  • the driver circuitry 1122 may include software and hardware elements that operate to control particular devices that are embedded in the UE 1100, attached to the UE 1100, or otherwise communicatively coupled with the UE 1100.
  • the driver circuitry 1122 may include individual drivers allowing other components to interact with or control various input/output (I/O) devices that may be present within, or connected to, the UE 1100.
  • I/O input/output
  • driver circuitry 1122 may include a display driver to control and allow access to a display device, a touchscreen driver to control and allow access to a touchscreen interface, sensor drivers to obtain sensor readings of sensors 1120 and control and allow access to sensors 1120, drivers to obtain actuator positions of electro-mechanic components or control and allow access to the electro-mechanic components, a camera driver to control and allow access to an embedded image capture device, audio drivers to control and allow access to one or more audio devices.
  • a display driver to control and allow access to a display device
  • a touchscreen driver to control and allow access to a touchscreen interface
  • sensor drivers to obtain sensor readings of sensors 1120 and control and allow access to sensors 1120
  • drivers to obtain actuator positions of electro-mechanic components or control and allow access to the electro-mechanic components drivers to obtain actuator positions of electro-mechanic components or control and allow access to the electro-mechanic components
  • a camera driver to control and allow access to an embedded image capture device
  • audio drivers to control and allow access to one or more audio devices.
  • a battery 1128 may power the UE 1100, although in some examples the UE 1100 may be mounted deployed in a fixed location and may have a power supply coupled to an electrical grid.
  • the battery 1128 may be a lithium-ion battery, a metal-air battery, such as a zinc-air battery, an aluminum-air battery, a lithium-air battery, and the like. In some implementations, such as in vehicle-based applications, the battery 1128 may be a typical lead-acid automotive battery.
  • FIG. 12 illustrates a network device 1200 in accordance with some embodiments.
  • the network device 1200 may be similar to and substantially interchangeable with base station 108.
  • the processors 1204, RF interface circuitry 1208, memory/storage circuitry 1212 (including communication protocol stack 1210) , antenna structure 1226, and interconnects 1228 may be similar to like-named elements shown and described with respect to FIG. 11.
  • the processors 1204 may include processor circuitry such as, for example, baseband processor circuitry (BB) 1204A, central processor unit circuitry (CPU) 1204B, and graphics processor unit circuitry (GPU) 1204C.
  • the processors 1204 may include any type of circuitry or processor circuitry that executes or otherwise operates computer-executable instructions, such as program code, software modules, or functional processes from memory/storage circuitry 1212 to cause the UE 1100 to perform operations as described herein.
  • the processors 1204 may also include interface circuitry 1204D to communicatively couple the processor circuitry with one or more other components of the network device 1200.
  • the CN interface circuitry 1214 may provide connectivity to a core network, for example, a 5 th Generation Core network (5GC) using a 5GC-compatible network interface protocol such as carrier Ethernet protocols, or some other suitable protocol.
  • Network connectivity may be provided to/from the network device 1200 via a fiber optic or wireless backhaul.
  • the CN interface circuitry 1214 may include one or more dedicated processors or FPGAs to communicate using one or more of the aforementioned protocols.
  • the CN interface circuitry 1214 may include multiple controllers to provide connectivity to other networks using the same or different protocols.
  • personally identifiable information should follow privacy policies and practices that are generally recognized as meeting or exceeding industry or governmental requirements for maintaining the privacy of users.
  • personally identifiable information data should be managed and handled so as to minimize risks of unintentional or unauthorized access or use, and the nature of authorized use should be clearly indicated to users.
  • At least one of the components set forth in one or more of the preceding figures may be configured to perform one or more operations, techniques, processes, or methods as set forth in the example section below.
  • the baseband circuitry as described above in connection with one or more of the preceding figures may be configured to operate in accordance with one or more of the examples set forth below.
  • circuitry associated with a UE, base station, or network element as described above in connection with one or more of the preceding figures may be configured to operate in accordance with one or more of the examples set forth below in the example section.
  • Example 1 includes a method including: determining user equipment (UE) capability parameters including: a first parameter indicating a capability to perform measurements of a first measurement type for a first number of candidate cells; a second parameter indicating a capability to perform measurements of the first measurement type and a second measurement type for a second number of candidate cells; and a third parameter indicating a capability to perform measurements for a third number of candidate cells in addition to the first number of candidate cells or the second number of candidate cells; and generating one or more signals to transmit the UE capability parameters to a base station.
  • UE user equipment
  • Example 2 includes the method of example 1 or some other examples herein, wherein: the first measurement type is an intra-frequency layer 1 (L1) -reference signal received power (RSRP) measurement; and the second measurement type is an inter-frequency L1-RSRP measurement.
  • L1 layer 1
  • RSRP reference signal received power
  • Example 3 includes the method of examples 1 or 2 or some other example herein, wherein: processing a configuration received from the base station to configure a cell group, the cell group having a group identifier (ID) ; and processing an activation command to activate the cell group for the first measurement type or the second measurement type.
  • ID group identifier
  • Example 4 includes the method of any of examples 1-3 or some other example herein, wherein the configuration is a radio resource control (RRC) information element (IE) or the activation command is included in a medium access control (MAC) control element (CE) .
  • RRC radio resource control
  • IE radio resource control
  • MAC medium access control
  • Example 5 includes the method of any of examples 1-4 or some other example herein, wherein the configuration is a first configuration and the method further includes: processing a second configuration received from the base station to configure a candidate cell for layer 1 (L1) /layer 2 (L2) triggered inter-cell mobility for supporting (LTM) operations, the configuration including a candidate group ID; determining that the candidate group ID has a value that is equal to a value of the group ID; and assigning the candidate cell to the cell group based on said determining that the candidate group ID has the value that is equal to the value of the group ID.
  • L1 layer 1
  • L2 layer 2
  • LTM inter-cell mobility for supporting
  • Example 6 includes the method of any of examples 1-5 or some other example herein, further including: performing measurements on the candidate cell of the activated cell group; and determining that the UE has resources for performing additional measurements.
  • Example 7 includes the method of any of examples 1-6 or some other example herein, further including: determining dynamic UE capability parameters including: a fourth parameter indicating a capability to perform measurement of the first measurement type for a fourth number of candidate cells in addition to the first number of candidate cells, the fourth number of candidate cells is smaller than or equal to the third number of candidate cells; and a fifth parameter indicating a capability to perform measurement of the first measurement type or second measurement type for a fifth number of candidate cells in addition to the second number of candidate cells, the fourth number of candidate cells is smaller than or equal to the third number of candidate cells; and generating one or more messages to transmit the dynamic UE capability parameters to the base station.
  • determining dynamic UE capability parameters including: a fourth parameter indicating a capability to perform measurement of the first measurement type for a fourth number of candidate cells in addition to the first number of candidate cells, the fourth number of candidate cells is smaller than or equal to the third number of candidate cells; and a fifth parameter indicating a capability to perform measurement of the first measurement type or second measurement type for a fifth
  • Example 8 includes the method of any of examples 1-7 or some other example herein, further including: detecting a condition; and generating an indication, based on said detecting the condition, to be transmitted to the base station to deactivate the cell group, the indication having the cell group ID associated with the cell group.
  • Example 9 includes the method of any of examples 1-8 or some other example herein, wherein the condition includes the UE not having resources to perform measurements for the activated cell group.
  • Example 10 includes the method of any of examples 1-9 or some other example herein, wherein the indication is included in a medium access control (MAC) control element (CE) or in uplink control information (UCI) .
  • MAC medium access control
  • CE control element
  • UCI uplink control information
  • Example 11 includes a method including: receiving, from a user equipment, UE capability parameters for layer 1 (L1) -reference signal received power (RSRP) measurements, the UE capability parameters including: a first parameter indicating a capability to perform measurements of a first measurement type for a first number of candidate cells; a second parameter indicating a capability to perform measurements of the first measurement type and a second measurement type for a second number of candidate cells; and a third parameter indicating a capability to perform measurements for a third number of candidate cells in addition to the first number of candidate cells or the second number of candidate cells; and transmitting, to the UE, a message to configure one or more cell groups for L1-RSRP measurements.
  • L1 layer 1
  • RSRP reference signal received power
  • Example 12 includes the method of example 11 or some other example herein, wherein the message includes a radio resource control (RRC) information element.
  • RRC radio resource control
  • Example 13 includes the method of examples 11 or 12 or some other example herein, wherein: the first measurement type is an intra-frequency layer 1 (L1) -reference signal received power (RSRP) measurement; and the second measurement type is an inter-frequency L1-RSRP measurement.
  • L1 layer 1
  • RSRP reference signal received power
  • Example 14 includes the method of any of examples 11-13 or some other example herein, further including: receiving, from the UE, dynamic UE capability parameters including: a fourth parameter indicating a capability to perform measurement of the first measurement type for a fourth number of candidate cells in addition to the first number of candidate cells, the fourth number of candidate cells is smaller than or equal to the third number of candidate cells; and a fifth parameter indicating a capability to perform measurement of the first measurement type or second measurement type for a fifth number of candidate cells in addition to the second number of candidate cells, the fourth number of candidate cells is smaller than or equal to the third number of candidate cells.
  • dynamic UE capability parameters including: a fourth parameter indicating a capability to perform measurement of the first measurement type for a fourth number of candidate cells in addition to the first number of candidate cells, the fourth number of candidate cells is smaller than or equal to the third number of candidate cells; and a fifth parameter indicating a capability to perform measurement of the first measurement type or second measurement type for a fifth number of candidate cells in addition to the second number of candidate cells, the fourth number
  • Example 15 includes the method of any of examples 11-14 or some other example herein, wherein: the message includes a configuration of a candidate cell for L1-RSRP measurements for supporting L1/layer 2 (L2) triggered inter-cell mobility for supporting (LTM) operations; the configuration of the candidate cell includes a candidate group identifier (ID) ; and the candidate group ID is associated with a cell group of one or more cell groups.
  • the message includes a configuration of a candidate cell for L1-RSRP measurements for supporting L1/layer 2 (L2) triggered inter-cell mobility for supporting (LTM) operations
  • the configuration of the candidate cell includes a candidate group identifier (ID)
  • the candidate group ID is associated with a cell group of one or more cell groups.
  • Example 16 includes the method of any of examples 11-15 or some other example herein, further including: transmitting, to the UE, an activation command including a candidate group identifier (ID) to activate a cell group of the one or more cell groups associated with the cell group ID.
  • ID candidate group identifier
  • Example 17 includes the method of any of examples 11-16 or some other example herein, wherein the activation command is included in a medium access control (MAC) control element (CE) .
  • MAC medium access control
  • CE control element
  • Example 18 includes the method of any of examples 11-17 or some other example herein, further including: receiving, from the UE, an indication to deactivate an activated cell group from one or more cell groups, the indication having a first candidate group identifier (ID) associated with the activated cell group; and transmitting, to the UE, a deactivation command including a second cell group ID.
  • ID first candidate group identifier
  • Example 19 includes the method of any of examples 11-18 or some other example herein, wherein the deactivation command is included in a medium access control (MAC) control element (CE) .
  • MAC medium access control
  • CE control element
  • Example 20 includes a method including: determining user equipment (UE) capability parameters including: a first parameter indicating a capability to perform measurements of a first measurement type for a first number of candidate cells; a second parameter indicating a capability to perform measurements of the first measurement type and a second measurement type for a second number of candidate cells; determining dynamic UE capability parameters, including: a third parameter indicating a capability to perform measurement of the first measurement type for a fourth number of candidate cells in addition to the first number of candidate cells; and a fourth parameter indicating a capability to perform measurement of the first measurement type or second measurement type for a fifth number of candidate cells in addition to the second number of candidate cells; and generating one or more signals to transmit the UE capability parameters and the dynamic UE capability parameters to a base station.
  • UE user equipment
  • Example 21 includes the method of example 20 or some other example herein, wherein: the first measurement type is an intra-frequency layer 1 (L1) -reference signal received power (RSRP) measurement; and the second measurement type is an inter-frequency L1-RSRP measurement.
  • L1 layer 1
  • RSRP reference signal received power
  • Example 22 includes the method of examples 20 or 21 or some other example herein, wherein: processing a configuration received from the base station to configure a cell group, the cell group having one or more candidate cells; and processing an activation command to activate the cell group for the first measurement type or the second measurement type.
  • Example 23 includes the method of any of examples 20-22 or some other example herein, wherein each candidate cell of the one or more candidate cells of the activated cell group is associated with a corresponding reference signal (RS) of one or more RSs, and each RS of one or more RSs is associated with a corresponding received timing difference (RTD) of one or more RTDs, and the method further comprises: assuming that each RTD or the one or more RTDs has a value that is smaller than a cyclic prefix duration.
  • RS reference signal
  • RTD received timing difference
  • Example 24 includes a method including: determining user equipment (UE) capability parameters including: a first parameter indicating a capability to perform layer 1 (L1) measurements within measurement gap for a first number of candidate cells; a second parameter indicating a capability to perform L1 measurements outside measurement gap for a second number of candidate cells; and generating one or more signals to transmit the UE capability parameters to a base station.
  • UE user equipment
  • Example 25 includes the method of example 24 or some other example herein, wherein: processing a configuration received from the base station to configure a cell group, the cell group having one or more candidate cells; and processing an activation command to activate the cell group for L1 measurements within measurement gap or L1 measurements outside measurement gap.
  • Another example may include an apparatus comprising: processing circuitry to perform one or more elements of the method described in or related to any of examples 1-25, or any other method or process describe herein; and interface circuitry, coupled with the processing circuitry, the interface circuitry to communicatively couple the processing circuitry to one or more components of a computing platform.
  • Another example may include an apparatus comprising means to perform one or more elements of a method described in or related to any of examples 1-25, or any other method or process described herein.
  • Another example may include one or more non-transitory computer-readable media comprising instructions to cause an electronic device, upon execution of the instructions by one or more processors of the electronic device, to perform one or more elements of a method described in or related to any of examples 1-25, or any other method or process described herein.
  • Another example may include an apparatus comprising logic, modules, or circuitry to perform one or more elements of a method described in or related to any of examples 1-25, or any other method or process described herein.
  • Another example may include a method, technique, or process as described in or related to any of examples 1-25, or portions or parts thereof.
  • Another example may include an apparatus comprising: one or more processors and one or more computer-readable media comprising instructions that, when executed by the one or more processors, cause the one or more processors to perform the method, techniques, or process as described in or related to any of examples 1-25, or portions thereof.
  • Another example may include a signal as described in or related to any of examples 1-25, or portions or parts thereof.
  • Another example may include a datagram, information element, packet, frame, segment, PDU, or message as described in or related to any of examples 1-25, or portions or parts thereof, or otherwise described in the present disclosure.
  • Another example may include a signal encoded with data as described in or related to any of examples 1-25, or portions or parts thereof, or otherwise described in the present disclosure.
  • Another example may include a signal encoded with a datagram, IE, packet, frame, segment, PDU, or message as described in or related to any of examples 1-25, or portions or parts thereof, or otherwise described in the present disclosure.
  • Another example may include an electromagnetic signal carrying computer-readable instructions, wherein execution of the computer-readable instructions by one or more processors is to cause the one or more processors to perform the method, techniques, or process as described in or related to any of examples 1-25, or portions thereof.
  • Another example may include a computer program comprising instructions, wherein execution of the program by a processing element is to cause the processing element to carry out the method, techniques, or process as described in or related to any of examples 1-25, or portions thereof.
  • Another example may include a method of communicating in a wireless network as shown and described herein.

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

La présente demande concerne des dispositifs et des composants comprenant un appareil, des systèmes et des procédés pour des mesures pour une configuration de cellule de desserte.
PCT/CN2024/077140 2024-02-09 2024-02-09 Technologies de mesure de cellules voisines Pending WO2025166830A1 (fr)

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Citations (4)

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CN116648943A (zh) * 2021-12-22 2023-08-25 北京小米移动软件有限公司 测量能力信息生成方法及装置
WO2023216079A1 (fr) * 2022-05-09 2023-11-16 北京小米移动软件有限公司 Procédé et appareil de configuration de ressources, et équipement utilisateur, dispositif côté réseau et support de stockage

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WO2018144781A1 (fr) * 2017-02-03 2018-08-09 Intel IP Corporation Mesure de rsrp pour norme nouvelle radio
US20220240110A1 (en) * 2019-03-29 2022-07-28 Apple Inc. User equipment (ue) measurement capability in high speed scenarios
CN116648943A (zh) * 2021-12-22 2023-08-25 北京小米移动软件有限公司 测量能力信息生成方法及装置
WO2023216079A1 (fr) * 2022-05-09 2023-11-16 北京小米移动软件有限公司 Procédé et appareil de configuration de ressources, et équipement utilisateur, dispositif côté réseau et support de stockage

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