WO2023068356A1 - 通信装置、基地局、及び通信方法 - Google Patents
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- H—ELECTRICITY
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- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
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Definitions
- the present disclosure relates to communication devices, base stations, and communication methods used in mobile communication systems.
- the communication device can perform measurement on the measurement target in a cell other than the serving cell during the measurement gap set based on the measurement configuration while maintaining the connection with the base station (serving cell).
- Non-Patent Document 2 In recent years, even when there are multiple measurement targets to be measured by the communication device, multiple gap patterns are set in the communication device so that each measurement target can be measured using the optimum gap pattern. A method has been discussed (see Non-Patent Document 2).
- a communication device includes a communication unit that receives a radio resource control (RRC) message including a plurality of measurement gap settings from a network, and during each measurement gap set based on the plurality of measurement gap settings and a control unit that performs measurement on a measurement target.
- RRC radio resource control
- the RRC message includes a measurement gap sharing configuration associated with each of the plurality of measurement gaps and specifying a measurement gap sharing scheme.
- a base station comprises a communication unit that transmits a radio resource control (RRC) message including multiple measurement gap settings to a communication device.
- the RRC message includes a measurement gap sharing configuration associated with each of the plurality of measurement gaps and specifying a measurement gap sharing scheme.
- a communication method is a communication method executed by a communication device.
- the communication method includes receiving a radio resource control (RRC) message including a plurality of measurement gap configurations from a network, and performing measurements on a measurement target during each measurement gap configured based on the plurality of measurement gap configurations. a step;
- RRC radio resource control
- the RRC message includes a measurement gap sharing configuration associated with each of the plurality of measurement gaps and specifying a measurement gap sharing scheme.
- FIG. 1 is a diagram showing the configuration of a mobile communication system according to an embodiment.
- FIG. 2 is a diagram showing a configuration example of a protocol stack in the mobile communication system according to the embodiment.
- FIG. 3 is a sequence diagram illustrating an operation example of a UE in which gap patterns are set.
- FIG. 4 is a diagram for explaining information elements in an RRC message.
- FIG. 5 is a diagram showing the configuration of the UE according to the embodiment.
- FIG. 6 is a diagram showing the configuration of a base station according to the embodiment.
- FIG. 7 is a sequence diagram for explaining an operation example according to the embodiment.
- FIG. 1 is a diagram showing the configuration of a mobile communication system according to an embodiment.
- FIG. 2 is a diagram showing a configuration example of a protocol stack in the mobile communication system according to the embodiment.
- FIG. 3 is a sequence diagram illustrating an operation example of a UE in which gap patterns are set.
- FIG. 4 is a diagram for explaining information elements in an R
- FIG. 8 is a diagram (part 1) for explaining information elements in an RRC message according to the first operation example.
- FIG. 9 is a diagram (part 2) for explaining information elements in the RRC message according to the first operation example.
- FIG. 10 is a diagram for explaining an example of measurements performed by the UE according to the embodiment;
- FIG. 11 is a diagram (Part 1) for explaining information elements in an RRC message according to the second operation example.
- FIG. 12 is a diagram (part 2) for explaining information elements in the RRC message according to the second operation example.
- FIG. 13 is a diagram (part 3) for explaining information elements in the RRC message according to the second operation example.
- FIG. 14 is a diagram (Part 1) for explaining information elements in an RRC message according to the first modification of the second operation example.
- FIG. 15 is a diagram (part 2) for explaining information elements in an RRC message according to the first modification of the second operation example.
- FIG. 16 is a diagram (Part 1) for explaining information elements in an RRC message according to the third operation example.
- FIG. 17 is a diagram (part 2) for explaining information elements in the RRC message according to the third operation example.
- FIG. 18 is a diagram (part 1) for explaining information elements in an RRC message according to the fourth operation example.
- FIG. 19 is a diagram (part 2) for explaining information elements in the RRC message according to the fourth operation example.
- FIG. 20 is a diagram for explaining information elements in an RRC message according to the fifth operation example.
- one object of the present disclosure is to provide a communication device, a base station, and a communication method that enable appropriate measurement when a plurality of gap patterns are set.
- the mobile communication system 1 is, for example, a system conforming to 3GPP Technical Specifications (TS).
- TS Technical Specifications
- a mobile communication system based on the 3GPP standard 5th Generation System (5GS), that is, NR (New Radio) will be described as an example.
- the mobile communication system 1 has a network 10 and user equipment (UE) 100 communicating with the network 10 .
- the network 10 includes an NG-RAN (Next Generation Radio Access Network) 20, which is a 5G radio access network, and a 5GC (5G Core Network) 30, which is a 5G core network.
- NG-RAN Next Generation Radio Access Network
- 5G Core Network 5G Core Network
- the UE 100 is an example of a communication device.
- the UE 100 may be a mobile wireless communication device.
- UE 100 may be a communication device that communicates via base station 200 .
- UE 100 may be a device used by a user.
- the UE 100 may be a user equipment defined by 3GPP technical specifications.
- the UE 100 is, for example, a portable device such as a mobile phone terminal such as a smart phone, a tablet terminal, a notebook PC, a communication module, or a communication card.
- the UE 100 may be a vehicle (eg, car, train, etc.) or a device provided therein.
- the UE 100 may be a transport body other than a vehicle (for example, a ship, an airplane, etc.) or a device provided thereon.
- the UE 100 may be a sensor or a device attached thereto.
- the UE 100 includes a mobile station, a mobile terminal, a mobile device, a mobile unit, a subscriber station, a subscriber terminal, a subscriber device, a subscriber unit, a wireless station, a wireless terminal, a wireless device, a wireless unit, a remote station, and a remote terminal. , remote device, or remote unit.
- NG-RAN 20 includes multiple base stations 200 .
- Each base station 200 manages at least one cell.
- a cell constitutes the minimum unit of a communication area. For example, one cell belongs to one frequency (carrier frequency) and is configured by one component carrier.
- the term “cell” may represent a radio communication resource and may also represent a communication target of UE 100 .
- Each base station 200 can perform radio communication with the UE 100 residing in its own cell.
- the base station 200 communicates with the UE 100 using the RAN protocol stack.
- Base station 200 provides NR user plane and control plane protocol termination towards UE 100 and is connected to 5GC 30 via NG interface.
- gNodeB gNodeB
- the 5GC 30 includes a core network device 300.
- the core network device 300 includes, for example, AMF (Access and Mobility Management Function) and/or UPF (User Plane Function).
- AMF Access and Mobility Management Function
- UPF User Plane Function
- AMF performs mobility management of UE100.
- UPF provides functions specialized for user plane processing.
- the AMF and UPF are connected with the base station 200 via the NG interface.
- the protocol of the radio section between the UE 100 and the base station 200 includes a physical (PHY) layer, a MAC (Medium Access Control) layer, an RLC (Radio Link Control) layer, a PDCP (Packet Data Convergence Protocol) layer, It has an RRC (Radio Resource Control) layer.
- PHY physical
- MAC Medium Access Control
- RLC Radio Link Control
- PDCP Packet Data Convergence Protocol
- RRC Radio Resource Control
- the PHY layer performs encoding/decoding, modulation/demodulation, antenna mapping/demapping, and resource mapping/demapping. Data and control information are transmitted between the PHY layer of the UE 100 and the PHY layer of the base station 200 via physical channels.
- a physical channel is composed of multiple OFDM (Orthogonal Frequency Division Multiplexing) symbols in the time domain and multiple subcarriers in the frequency domain.
- One subframe consists of a plurality of OFDM symbols in the time domain.
- a resource block is a resource allocation unit, and is composed of a plurality of OFDM symbols and a plurality of subcarriers.
- a frame may consist of 10 ms and may include 10 subframes of 1 ms.
- a subframe can include a number of slots corresponding to the subcarrier spacing.
- the physical downlink control channel plays a central role, for example, for purposes such as downlink scheduling assignments, uplink scheduling grants, and transmission power control.
- the UE 100 can use a narrower bandwidth than the system bandwidth (that is, the cell bandwidth).
- the base station 200 configures the UE 100 with a bandwidth part (BWP) made up of consecutive PRBs.
- UE 100 transmits and receives data and control signals on the active BWP.
- BWP bandwidth part
- Up to four BWPs can be set in the UE 100, for example.
- Each BWP may have different subcarrier spacing and may overlap each other in frequency. If multiple BWPs are configured for the UE 100, the base station 200 can specify which BWP to activate through downlink control. This allows the base station 200 to dynamically adjust the UE bandwidth according to the amount of data traffic of the UE 100, etc., and reduce UE power consumption.
- the base station 200 can configure up to 3 control resource sets (CORESET) for each of up to 4 BWPs on the serving cell.
- CORESET is a radio resource for control information that the UE 100 should receive.
- UE 100 may be configured with up to 12 CORESETs on the serving cell.
- Each CORESET has an index from 0 to 11.
- a CORESET consists of 6 resource blocks (PRBs) and 1, 2 or 3 consecutive OFDM symbols in the time domain.
- the MAC layer performs data priority control, retransmission processing by hybrid ARQ (HARQ: Hybrid Automatic Repeat reQuest), random access procedures, and the like. Data and control information are transmitted between the MAC layer of the UE 100 and the MAC layer of the base station 200 via transport channels.
- the MAC layer of base station 200 includes a scheduler. The scheduler determines uplink and downlink transport formats (transport block size, modulation and coding scheme (MCS)) and allocation resources to the UE 100 .
- MCS modulation and coding scheme
- the RLC layer uses the functions of the MAC layer and PHY layer to transmit data to the RLC layer on the receiving side. Data and control information are transmitted between the RLC layer of the UE 100 and the RLC layer of the base station 200 via logical channels.
- the PDCP layer performs header compression/decompression and encryption/decryption.
- An SDAP (Service Data Adaptation Protocol) layer may be provided as an upper layer of the PDCP layer.
- the SDAP (Service Data Adaptation Protocol) layer performs mapping between an IP flow, which is the unit of QoS (Quality of Service) control performed by the core network, and a radio bearer, which is the unit of AS (Access Stratum) QoS control.
- the RRC layer controls logical channels, transport channels and physical channels according to radio bearer establishment, re-establishment and release.
- RRC signaling for various settings is transmitted between the RRC layer of UE 100 and the RRC layer of base station 200 .
- UE 100 When there is an RRC connection between the RRC of UE 100 and the RRC of base station 200, UE 100 is in the RRC connected state. If there is no RRC connection between the RRC of the UE 100 and the RRC of the base station 200, the UE 100 is in RRC idle state. When the RRC connection between the RRC of UE 100 and the RRC of base station 200 is suspended, UE 100 is in RRC inactive state.
- the NAS layer located above the RRC layer performs session management and mobility management for UE100.
- NAS signaling is transmitted between the NAS layer of the UE 100 and the NAS layer of the core network device 300 (AMF).
- AMF core network device 300
- the UE 100 has an application layer and the like in addition to the radio interface protocol.
- FIG. 3 shows a sequence of an operation example in an existing 3GPP mobile communication system, that is, a mobile communication system according to technical specifications before Release 16.
- the UE 100 is in the RRC connected state.
- UE 100 communicates with base station 200 in a serving cell managed by base station 200 .
- the base station 200 in step S11, the base station 200 generates a radio resource control (RRC) message.
- the RRC message is, for example, an RRC reconfiguration message, an RRC resume message, or the like.
- the RRC reconfiguration message will be described below as an example.
- the RRC reconfiguration message is a command to change the RRC connection.
- the RRC message (eg, RRCReconfiguration) includes measurement settings (eg, MeasConfig) that specify the measurements that the UE 100 should perform.
- Measurement settings include a list of measurement objects to be added and/or modified (e.g. MeasObjectToAddModList), a list of measurement report settings to be added and/or modified (e.g. ReportConfigToAddModList), a list of measurement identifiers to be added and/or modified. (eg MeasIdToAddModList), and measurement gap configuration (eg MeasGapConfig).
- the measurement configuration also includes a list of measurement objects to remove (e.g., MeasObjectToRemoveList), a list of measurement report configurations to remove (e.g., ReportConfigToRemoveList), and a list of measurement identifiers to remove (e.g., MeasIdToRemoveList). good.
- a list of measurement objects to remove e.g., MeasObjectToRemoveList
- a list of measurement report configurations to remove e.g., ReportConfigToRemoveList
- measurement identifiers e.g., MeasIdToRemoveList
- a measurement target list may include multiple measurement target settings (eg, MeasObjectToAddMod) that specify measurement targets.
- the measurement object configuration includes a set of measurement object identifier (eg, MeasObjectId) and measurement object information (eg, measObject).
- the measurement target identifier is used to identify the measurement target configuration.
- the measurement target information may be, for example, information specifying frequencies, reference signals, and the like.
- the reference signal includes a primary synchronization signal (PSS), a secondary synchronization signal (SSS), a synchronization signal and a physical broadcast channel block (SSB) composed of a physical broadcast channel (PBCH), and a channel state information reference signal.
- PSS primary synchronization signal
- SSS secondary synchronization signal
- SSB physical broadcast channel block
- Measurement objects include, for example, a measurement object (MeasObjectNR) that specifies information applicable to SS/PBCH block intra/inter-frequency measurements and/or CSI-RS intra-/inter-frequency measurements.
- MeasObjectNR measurement object
- a list of measurement report settings may include multiple measurement report settings (eg, ReportConfigToAddMod).
- a measurement report configuration includes a set of report configuration identifier (eg, ReportConfigId) and measurement report configuration (eg, reportConfig).
- a reporting configuration identifier is used to identify a measurement reporting configuration.
- Measurement reporting settings may specify criteria that trigger reporting of the results of a measurement.
- a list of measurement identifiers includes a set of measurement identifiers, measurement target identifiers, and reporting configuration identifiers (eg, MeasIdToAddMod). Therefore, a measurement identifier is associated with a combination of a measurement target configuration and a measurement report configuration via a measurement target identifier and a report configuration identifier.
- a measurement gap configuration (eg, MeasGapConfig) is used to set up and release gap patterns (eg, measurement gaps).
- a gap pattern consists of measurement gaps that can interrupt communication.
- Measurement gap settings may include gapOffset, mgl, mgrp and mgta.
- mgl is the measurement gap length of the measurement gap.
- mgrp is the measurement gap repetition period (MGRP) of the measurement gap.
- mgta is the measurement gap timing advance.
- gapOffset is the gap offset of the gap pattern with MGRP.
- step S12 the base station 200 transmits the generated RRC message to the UE100.
- UE 100 receives the RRC message.
- the UE 100 performs settings based on the measurement settings included in the RRC message.
- step S13 the UE 100 measures the measurement target. Specifically, the UE 100 performs measurements on the measurement targets set based on the measurement target settings during the measurement gaps set based on the measurement gap settings.
- step S14 the UE 100 transmits a measurement report to the base station 200.
- Base station 200 receives the measurement report from UE 100 .
- UE 100 transmits a measurement report to base station 200 when the measurement report is triggered based on the measurement report configuration.
- a measurement gap sharing setting (for example, MeasGapSharingConfig) indicating the time ratio when a plurality of measurement targets share the measurement gap in time division is set in the communication device.
- the communication device shares the measurement gap in a time division manner when there are multiple measurement targets in the measurement gap set by the measurement settings. Specifically, the communication device performs measurements for each measurement target during time-divisionally shared measurement gaps at a time ratio based on the measurement gap sharing setting.
- UE 100 includes communication unit 110 and control unit 120 .
- the communication unit 110 performs wireless communication with the base station 200 by transmitting and receiving wireless signals to and from the base station 200 .
- the communication unit 110 has at least one transmitter 111 and at least one receiver 112 .
- the transmitter 111 and receiver 112 may be configured to include multiple antennas and RF circuits.
- the antenna converts a signal into radio waves and radiates the radio waves into space. Also, the antenna receives radio waves in space and converts the radio waves into signals.
- the RF circuitry performs analog processing of signals transmitted and received through the antenna.
- the RF circuitry may include high frequency filters, amplifiers, modulators, low pass filters, and the like.
- the control unit 120 performs various controls in the UE 100.
- Control unit 120 controls communication with base station 200 via communication unit 110 .
- the operations of the UE 100 described above and below may be operations under the control of the control unit 120 .
- the control unit 120 may include at least one processor capable of executing a program and a memory that stores the program.
- the processor may execute a program to operate the control unit 120 .
- the control unit 120 may include a digital signal processor that performs digital processing of signals transmitted and received through the antenna and RF circuitry.
- the digital processing includes processing of the protocol stack of the RAN. Note that the memory stores programs executed by the processor, parameters related to the programs, and data related to the programs.
- the memory may include at least one of ROM (Read Only Memory), EPROM (Erasable Programmable Read Only Memory), EEPROM (Electrically Erasable Programmable Read Only Memory), RAM (Random Access Memory), and flash memory. All or part of the memory may be included within the processor.
- the UE 100 configured in this way communicates with the base station 200.
- communication section 110 receives from base station 200 a radio resource control (RRC) message including multiple measurement gap settings for setting multiple gap patterns composed of measurement gaps that can interrupt communication.
- the control unit 120 performs measurement on the measurement target during the measurement gaps set based on the multiple measurement gap settings.
- RRC radio resource control
- each of the multiple measurement gap configurations is associated with a measurement gap sharing configuration that indicates the time ratio when multiple measurement targets share the measurement gap in time division.
- the UE 100 can apply the measurement gap shared configuration to the gap pattern (measurement gap) based on the measurement gap configuration associated with the measurement gap shared configuration.
- the gap pattern to which the measurement gap sharing configuration should be applied can be known, and appropriate measurements can be performed.
- appropriate measurement is possible when a plurality of gap patterns are set.
- Base station configuration The configuration of the base station 200 according to the embodiment will be described with reference to FIG.
- Base station 200 has communication unit 210 , network interface 220 , and control unit 230 .
- the communication unit 210 receives radio signals from the UE 100 and transmits radio signals to the UE 100.
- the communication unit 210 has at least one transmitter 211 and at least one receiver 212 .
- the transmitting section 211 and the receiving section 212 may be configured including an RF circuit.
- the RF circuitry performs analog processing of signals transmitted and received through the antenna.
- the RF circuitry may include high frequency filters, amplifiers, modulators, low pass filters, and the like.
- the network interface 220 transmits and receives signals to and from the network.
- the network interface 220 receives signals from adjacent base stations connected via an Xn interface, which is an interface between base stations, and transmits signals to adjacent base stations. Also, the network interface 220 receives signals from the core network device 300 connected via the NG interface, for example, and transmits signals to the core network device 300 .
- the control unit 230 performs various controls in the base station 200.
- the control unit 230 controls communication with the UE 100 via the communication unit 210, for example.
- the control unit 230 controls communication with nodes (for example, adjacent base stations, core network device 300) via the network interface 220, for example.
- the operations of the base station 200 described above and below may be operations under the control of the control unit 230 .
- the control unit 230 may include at least one processor capable of executing programs and a memory storing the programs.
- the processor may execute a program to operate the controller 230 .
- Control unit 230 may include a digital signal processor that performs digital processing of signals transmitted and received through the antenna and RF circuitry.
- the digital processing includes processing of the protocol stack of the RAN.
- the memory stores programs executed by the processor, parameters related to the programs, and data related to the programs. All or part of the memory may be included within the processor.
- the base station 200 configured in this manner communicates with the UE 100.
- the control unit 230 generates a radio resource control (RRC) message including multiple measurement gap settings for setting multiple gap patterns composed of measurement gaps that can interrupt communication.
- Communication unit 210 transmits the RRC message to UE 100 .
- each of the multiple measurement gap configurations is associated with a measurement gap sharing configuration that indicates the time ratio when multiple measurement targets share the measurement gap in time division.
- the UE 100 (control section 120) can apply the measurement gap shared configuration to the gap pattern (measurement gap) based on the measurement gap configuration associated with the measurement gap shared configuration.
- the gap pattern to which the measurement gap sharing configuration should be applied can be known, and appropriate measurements can be performed.
- appropriate measurement is possible when a plurality of gap patterns are set.
- step S101 the base station 200 (control unit 230) generates an RRC message.
- the RRC message contains multiple measurement gap configurations.
- each of the plurality of measurement gap configurations is associated with at least one measurement identifier associated with a combination of measurement target configuration and measurement report configuration.
- the RRC message includes multiple measurement settings.
- Each of the plurality of measurement configurations includes one measurement gap configuration and at least one measurement identifier associated with the measurement gap configuration.
- each of the multiple measurement configurations includes a set of one measurement gap configuration and a list of measurement identifiers. Thereby, one measurement gap configuration is associated with each measurement identifier in the list of measurement identifiers associated with the measurement gap configuration.
- the RRC message may include an existing measurement configuration (MeasConfig) separately from the measurement configuration list (measConfigList).
- An existing measurement setting may be treated as one of multiple measurement settings.
- a measurement setting in the list of measurement settings may be treated as a second or subsequent measurement setting.
- existing measurement configurations may not be available if the RRC message includes a list of measurement configurations.
- the existing measurement configuration may only be used if the UE 100 does not support configuration of multiple gap patterns. If the UE 100 supports multiple gap pattern settings, the existing measurement settings may not be used.
- each of the plurality of measurement configurations (MeasConfig) included in the RRC message includes a measurement gap sharing configuration (MeasGapSharingConfig) in addition to the measurement gap configuration (MeasGapConfig) (see FIG. 4). Therefore, the RRC message includes a set (MeasConfig) of each of a plurality of measurement gap configurations and a measurement gap sharing configuration. Accordingly, in the RRC message, each of the multiple measurement gap configurations is associated with the measurement gap sharing configuration.
- the measurement gap sharing setting indicates the time ratio when multiple measurement targets share the measurement gap in time division.
- the measurement gap sharing configuration also specifies the measurement gap sharing scheme.
- the measurement gap sharing setting may indicate, for example, any one of “scheme 00”, “scheme 01”, “scheme 10”, and “scheme 11”.
- Scheme 00 indicates that the time ratio of measurement for the first measurement object (hereinafter, first measurement) and the time ratio of measurement for the second measurement object (hereinafter, first measurement) are the same, and the first It may indicate that the priority of the measurement and the priority of the second measurement are equal.
- Scheme 01 indicates that the X value used for calculating the time ratio is 25%, and the priority of the first measurement (or second measurement) is the priority of the second measurement (or first measurement) can be shown to be higher than “Scheme 10" may indicate, for example, that the X value used to calculate the time percentage is 50%, and that the priority of the first measurement and the priority of the second measurement are equal.
- Scheme 11 indicates that the X value used to calculate the time ratio is 75%, and the priority of the first measurement (or second measurement) is the priority of the second measurement (or first measurement) It may be shown to be lower than
- step S102 the base station 200 (control unit 230) transmits an RRC message to the UE100.
- UE 100 receives the RRC message from base station 200 .
- the UE 100 (communication unit 110) makes settings based on a plurality of measurement settings.
- the UE 100 performs measurement on the measurement target. Specifically, the UE 100 (control unit 120) performs measurements on the measurement targets set based on the measurement target settings during the measurement gaps set based on the multiple measurement gap settings.
- UE 100 (control section 120) is configured with multiple gap patterns based on multiple measurement gap settings. Specifically, when performing measurement on a predetermined measurement target, the UE 100 (control unit 120) performs measurement with a gap pattern based on the measurement gap setting associated with the measurement identifier associated with the predetermined measurement target. . That is, when the UE 100 (control unit 120) performs measurement on the measurement target based on the measurement target configuration included in one of the multiple measurement configurations, one measurement gap configuration in the measurement configuration is used. Measurements are taken in measurement gaps that follow the gap pattern.
- UE 100 when UE 100 (control unit 120) communicates with base station 200 on the first frequency (serving cell), a plurality of measurement targets share measurement gaps in a time division manner.
- UE 100 for example, in one measurement gap of the gap pattern based on one measurement gap setting, the first measurement for the measurement target at the second frequency, the second measurement for the measurement target at the third frequency and I do.
- UE 100 (control section 120) time-divides the measurement gap based on the measurement gap shared configuration associated with the measurement gap configuration (that is, the measurement gap shared configuration included in the same measurement configuration as the measurement gap configuration). Calculate the time ratio when sharing with Based on the calculated time ratio, the UE 100 (control unit 120) first performs the first measurement during the measurement gap, and after performing the first measurement operation, performs the second measurement by the end of the measurement gap.
- the measurement gap shared configuration that is, the measurement gap shared configuration included in the same measurement configuration as the measurement gap configuration.
- one measurement gap setting, a measurement target setting for the first measurement, and a measurement target setting for the second measurement are included in the same measurement setting.
- step S104 the UE 100 (communication section 110) transmits a measurement report to the base station 200.
- Base station 200 receives the measurement report from UE 100 .
- UE 100 transmits a measurement report to base station 200 when the measurement report is triggered based on the measurement report configuration.
- each of a plurality of measurement gap configurations is associated with at least one measurement identifier in the RRC message.
- UE 100 (control section 120) performs measurement based on the measurement target configuration associated with at least one measurement identifier during the measurement gap that constitutes the gap pattern based on the measurement gap configuration associated with the measurement identifier. can be done with Therefore, the UE 100 (control unit 120) can determine which measurement should be performed with which gap pattern even if a plurality of gap patterns are set.
- the base station 200 control section 230
- the RRC message includes multiple measurement settings.
- Each of the plurality of measurement configurations includes one measurement gap configuration and at least one measurement identifier associated with the measurement gap configuration.
- the measurement gap configuration is associated with the measurement target via the measurement identifier, so that the information structure within the measurement configuration is similar to existing measurement configurations. Therefore, since it is sufficient to change only the list of measurement settings, the impact on the technical specifications can be reduced compared to the case of changing the information structure in the measurement settings.
- the base station 200 (control section 230) generates an RRC message including multiple measurement gap settings.
- the base station 200 (communication unit 210) transmits the RRC message to the UE100.
- UE 100 (communication section 110 ) receives an RRC message including multiple measurement gap settings from base station 200 .
- the UE 100 (control unit 120) performs measurements on the measurement target during measurement gaps set based on a plurality of measurement gap settings.
- each of the plurality of measurement gap configurations is associated with a measurement gap sharing configuration indicating a time ratio when a plurality of measurement targets share measurement gaps in time division.
- the UE 100 (control section 120) can apply the measurement gap shared configuration to the gap pattern (measurement gap) based on the measurement gap configuration associated with the measurement gap shared configuration.
- the gap pattern to which the measurement gap sharing configuration should be applied can be known, and appropriate measurements can be performed.
- appropriate measurement is possible when a plurality of gap patterns are set.
- each of a plurality of measurement gap configurations is associated with a measurement gap identifier in the RRC message.
- step S101 the base station 200 (control unit 230) generates an RRC message in the same manner as in the operation example described above.
- the measurement configuration (MeasConfig) included in the RRC message includes a list of measurement gap configurations to be added and/or modified (MeasGapToAddModList).
- the measurement configuration may include a list of measurement gap identifiers to be removed (MeasGapToRemoveList).
- the measurement gap configuration list (MeasGapToAddModList) includes a measurement gap identifier (MeasGapId) and a set (MeasGapToAddMod) of a plurality of measurement gap configurations (MeasGapConfig).
- a measurement gap identifier is used to identify a measurement gap configuration.
- each of the multiple measurement gap configurations is associated with a measurement gap identifier.
- the set (MeasGapToAddMod) further includes a measurement gap sharing setting (MeasGapSharingConfig).
- the RRC message includes a set of each of the multiple measurement gap configurations and the measurement gap sharing configuration.
- each of the multiple measurement gap configurations is associated with a measurement gap sharing configuration.
- the RRC message includes a set of measurement identifiers and measurement gap identifiers.
- the list of measurement identifiers includes a set (MeasIdToAddMod) of measurement identifiers (MeasId) and measurement gap identifiers (MeasGapId).
- the set further includes a measurement object identifier (MeasObjectId) and a report configuration identifier (reportConfigId).
- the measurement gap identifier is associated with the measurement identifier.
- each of the multiple measurement configurations is associated with a measurement identifier via the measurement gap identifier.
- the measurement configuration may include an existing measurement gap configuration (MeasGapConfig) apart from the list of measurement gap configurations.
- An existing measurement gap configuration may be treated as one of multiple measurement gap configurations.
- a measurement gap configuration in the list of measurement gap configurations may be treated as a second or subsequent measurement gap configuration.
- the existing measurement gap configuration may not be used if the RRC message contains a list of measurement gap configurations.
- the existing measurement gap configuration may be used only when the UE 100 does not support configuration of multiple gap patterns. If the UE 100 supports setting multiple gap patterns, the existing measurement gap setting may not be used.
- the base station 200 associates measurement gap settings with measurement identifiers so that each frequency layer is associated with only one gap pattern. Even if the frequency layers are the same, if the reference signals to be measured (for example, SSB, CSI-RS, PRS) are different, they may be treated as different frequency layers.
- the reference signals to be measured for example, SSB, CSI-RS, PRS
- Step S102 is the same as the operation example described above.
- Step S103 is the same as the operation example described above.
- UE 100 (control unit 120) assigns a measurement target to the same measurement identifier in measurement gaps that constitute a gap pattern based on measurement gap settings associated with measurement identifiers in one set (MeasIdToAddMod) via measurement gap identifiers. Measurement is performed on the measurement target based on the measurement target setting associated via the identifier.
- Measurement is performed on the measurement target based on the measurement target setting associated via the identifier.
- UE 100 (control section 120), based on the measurement gap sharing configuration associated with the measurement gap configuration, each measurement target during the measurement gap can be measured against
- Step S104 is the same as the above operation example.
- each of multiple measurement gap configurations may be associated with a measurement gap identifier.
- a measurement gap identifier may be associated with the measurement identifier. This avoids including multiple measurement configurations in the RRC message. Therefore, it becomes unnecessary to include a plurality of redundant parameters included in the measurement configuration, and it is possible to suppress deterioration in signaling efficiency.
- the RRC message may also include a set of measurement identifiers and measurement gap identifiers.
- UE 100 (control section 120) associates each of a plurality of measurement gap configurations with a measurement identifier via a measurement gap identifier. Therefore, even if a plurality of gap patterns are set, the UE 100 can determine which measurement should be performed with which gap pattern. Also, the base station 200 can appropriately control the gap pattern that the UE 100 should use for measurement. As a result, appropriate measurement is possible when a plurality of gap patterns are set.
- the RRC message may include a set of each of a plurality of measurement gap configurations and a measurement gap sharing configuration.
- the measurement configuration (MeasConfig) included in the RRC message includes a list of measurement gap sharing configurations to be added and/or modified (MeasGapSharingToAddModList).
- the measurement configuration may include a list of measurement gap sharing identifiers (MeasGapSharingToRemoveList) that identify measurement gap sharing configurations to be removed.
- the list of measurement gap sharing settings includes a set of each of a plurality of measurement gap sharing settings (MeasGapSharingConfig) and a measurement gap sharing identifier (MeasGapSharingId).
- each of the plurality of measurement gap configurations is associated with a measurement gap sharing identifier that identifies the corresponding measurement gap sharing configuration.
- the measurement identifier list (MeasIdToAddModList) includes a set (MeasIdToAddMod) of a measurement identifier, a measurement target identifier, a report configuration identifier, a measurement gap identifier, and a measurement gap sharing identifier. Therefore, the measurement gap identifier is associated with the measurement gap sharing identifier. As a result, each of the plurality of measurement gap configurations is associated with a measurement gap sharing configuration via the measurement gap identifier and the measurement gap sharing identifier. By this means, UE 100 (control section 120) can know the gap pattern to which the measurement gap sharing configuration should be applied and perform appropriate measurements even if the RRC message includes a plurality of measurement gap configurations. As a result, appropriate measurement is possible when a plurality of gap patterns are set. Moreover, since the measurement gap sharing setting to be applied for each measurement gap setting can be changed, the measurement of the UE 100 can be flexibly controlled.
- the measurement configuration may contain only one measurement gap sharing configuration.
- UE 100 control section 120
- each of the plurality of measurement report configurations includes a measurement gap identifier.
- the base station 200 (control unit 230) generates an RRC message in the same manner as in the operation example described above.
- the RRC message includes a number of measurement report settings configured by measurement report settings.
- the measurement configuration (MeasConfig) in the RRC message contains a list of measurement report configurations (ReportConfigToAddModList).
- the RRC message includes a measurement gap configuration list (MeasGapToAddModList), as in the second operation example.
- each of the plurality of measurement report configurations includes a measurement gap identifier.
- the measurement report configuration includes a set of a report type (reportType) indicating the type of measurement report configuration and a measurement gap identifier (MeasGapId).
- the measurement gap identifier is associated with the measurement identifier via the measurement report identifier associated with the measurement report configuration including the measurement gap identifier.
- each of the multiple measurement configurations is associated with a measurement identifier via the measurement gap identifier.
- measurement gap sharing configuration may be included in the RRC message as in any of the operational examples described above.
- Step S102 is the same as the operation example described above.
- Step S103 is the same as the operation example described above.
- UE 100 (control unit 120) uses the same measurement identifier via the measurement target identifier in the measurement gaps that constitute the gap pattern based on the measurement gap configuration associated with the measurement identifier via the report configuration identifier and the measurement gap identifier. Measurement is performed on the measurement target based on the associated measurement target setting.
- Step S104 is the same as the above operation example.
- the RRC message may include multiple measurement report settings configured by the measurement report settings.
- Each of the multiple measurement report configurations may include a measurement gap identifier.
- Each of the multiple measurement gap configurations is associated with a measurement identifier via a reporting configuration identifier and a measurement gap identifier. Therefore, even if a plurality of gap patterns are set, the UE 100 can determine which measurement should be performed with which gap pattern. Also, the base station 200 can appropriately control the gap pattern that the UE 100 should use for measurement. As a result, appropriate measurement is possible when a plurality of gap patterns are set.
- each of the multiple measurement target configurations includes a measurement gap identifier.
- the base station 200 (control unit 230) generates an RRC message in the same manner as in the operation example described above.
- the RRC message includes a plurality of measurement object settings configured by measurement object settings.
- the measurement configuration (MeasConfig) in the RRC message includes a list of measurement objects (MeasObjectToAddModList).
- the RRC message includes a measurement gap configuration list (MeasGapToAddModList), as in the second operation example.
- each of the multiple measurement target configurations includes a measurement gap identifier.
- the measurement object configuration (MeasObjectNR) includes a set of measurement object information (eg, ssbFrequency, ssbSubcarrierSpacing, smtc1, smtc2, refFreqCSI-RS, referenceSignalConfig, etc.) and a measurement gap identifier.
- the measurement gap identifier is associated with the measurement identifier via the measurement target identifier associated with the measurement target configuration including the measurement gap identifier.
- each of the multiple measurement configurations is associated with a measurement identifier via the measurement gap identifier.
- measurement gap sharing configuration may be included in the RRC message as in any of the operational examples described above.
- Step S102 is the same as the operation example described above.
- Step S103 is the same as the operation example described above.
- UE 100 (control unit 120) associates the measurement gaps constituting the gap pattern based on the measurement gap configuration associated with the measurement gap identifier included in the measurement target configuration with the measurement target identifier included in the same measurement target configuration. Measurement is performed for the measurement target based on the measurement target setting.
- Step S104 is the same as the above operation example.
- the RRC message may include multiple measurement target settings configured by the measurement target settings.
- Each of the multiple measurement target configurations may include a measurement gap identifier.
- Each of the plurality of measurement gap configurations is associated with a measurement identifier via a measurement target identifier and a measurement gap identifier.
- each of the plurality of measurement gap configurations is associated with a measurement target configuration within the same measurement target configuration via a measurement gap identifier. Therefore, even if a plurality of gap patterns are set, the UE 100 can determine which measurement should be performed with which gap pattern. Also, the base station 200 can appropriately control the gap pattern that the UE 100 should use for measurement. As a result, appropriate measurement is possible when a plurality of gap patterns are set.
- each frequency layer can be associated with only one gap pattern.
- measurement gap identifiers are set independently for the measurement target configuration for the first reference signal and the measurement target configuration for the second reference signal.
- step S101 the base station 200 (control unit 230) generates an RRC message in the same manner as in the operation example described above.
- the RRC message includes a list of measurement objects (MeasObjectToAddModList) and a list of measurement gap settings (MeasGapToAddModList), as in the fourth operation example.
- each of the plurality of measurement target settings may include measurement target settings (that is, measurement target information) for a plurality of reference signals.
- each of the plurality of measurement target settings is a measurement target setting (eg, ssbFrequency, ssbSubcarrierSpacing, smtc1, smtc2, etc.) for the first reference signal (eg, SSB) and for the first reference signal (eg, CSI-RS) measurement target settings (eg, refFreqCSI-RS, etc.).
- each of the multiple measurement target configurations includes a measurement gap identifier.
- a measurement gap identifier is set independently for each of a plurality of reference signals. Specifically, the measurement gap identifier is set independently for the measurement target configuration for the first reference signal and the measurement target configuration for the second reference signal.
- an SSB measurement gap identifier (measGapIdSsb) is configured for the SSB measurement target configuration
- a CSI-RS measurement gap identifier (measGapIdSsb) is configured for the CSI-RS measurement target configuration.
- a gap identifier (measGapIdCSI-RS) is configured.
- measurement gap sharing configuration may be included in the RRC message as in any of the operational examples described above.
- Step S102 is the same as the operation example described above.
- Step S103 is the same as the operation example described above.
- UE 100 (control section 120) associates the measurement gaps constituting the gap pattern based on the measurement gap configuration associated with the measurement gap identifier for the first reference signal with the measurement target identifier included in the same measurement target configuration. Measurement is performed on the measurement target based on the measurement target setting for the first reference signal.
- UE 100 (control section 120) uses the measurement target identifier included in the same measurement target configuration in the measurement gaps forming the gap pattern based on the measurement gap configuration associated with the measurement gap identifier for the second reference signal. Measurement is performed on the measurement object based on the measurement object setting for the second reference signal associated with .
- Step S104 is the same as the above operation example.
- each of the plurality of measurement target settings may further include a measurement target setting for the first reference signal and a measurement target setting for the second reference signal.
- the measurement gap identifier may be set independently for the measurement target configuration for the first reference signal and the measurement target configuration for the second reference signal.
- the measurement gap identifiers are associated with the measurement identifiers in the second to fifth operation examples, but the present invention is not limited to this.
- the measurement gap configuration itself may be associated with the measurement identifier. Therefore, the measurement gap identifier may be replaced with the measurement gap configuration.
- the measurement settings can be configured not to include a list of measurement gap settings to be added and/or modified (MeasGapToAddModList).
- the measurement configuration may include a list of measurement gap configurations to be removed instead of the list of measurement gap identifiers to be removed (MeasGapToRemoveList).
- each of the plurality of measurement report settings includes the measurement gap identifier (MeasGapId), but this is not the only option.
- each measurement report configuration (ReportConfigToAddModList) and measurement gap identifier (MeasGapId) or measurement gap configuration (MeasGapConfig), which are information elements higher than the measurement report configuration (ReportConfigNR). may be associated.
- the list of measurement report configurations may include a set of measurement report configurations (ReportConfigToAddMod) and measurement gap identifiers (MeasGapId) or measurement gap configurations (MeasGapConfig).
- the measurement report configuration may contain the measurement gap identifier (MeasGapId) or the measurement gap configuration (MeasGapConfig) outside the measurement report configuration (ReportConfigNR).
- each of the plurality of measurement object settings includes the measurement gap identifier (MeasGapId), but the present invention is not limited to this.
- each measurement target configuration (MeasObjectToAddModList)
- each measurement target configuration (MeasObjectToAddMod) which is an information element higher than the measurement target configuration (MeasObjectNR)
- the measurement gap identifier (MeasGapId) or the measurement gap configuration (MeasGapConfig) are may be associated.
- the list of measurement object configurations may include a set of measurement object configurations (MeasObjectToAddMod) and measurement gap identifiers (MeasGapId) or measurement gap configurations (MeasGapConfig).
- the measurement object configuration (MeasObjectToAddMod) may contain a measurement gap identifier (MeasGapId) or a measurement gap configuration (MeasGapConfig) outside the measurement object configuration (MeasObjectNR).
- the operation sequences (and operation flows) in the above-described embodiments do not necessarily have to be executed in chronological order according to the order described in the flow diagrams or sequence diagrams. For example, the steps in the operations may be performed out of order or in parallel with the order illustrated in the flow diagrams or sequence diagrams. Also, some steps in the operation may be omitted and additional steps may be added to the process. Further, the operation sequences (and operation flows) in the above-described embodiments may be implemented independently, or two or more operation sequences (and operation flows) may be combined and implemented. For example, some steps of one operation flow may be added to another operation flow, or some steps of one operation flow may be replaced with some steps of another operation flow.
- the mobile communication system 1 based on NR has been described as an example.
- the mobile communication system 1 is not limited to this example.
- the mobile communication system 1 may be a TS-compliant system of either LTE (Long Term Evolution) or another generation system (for example, 6th generation) of the 3GPP standards.
- Base station 200 may be an eNB that provides E-UTRA user plane and control plane protocol termination towards UE 100 in LTE.
- the mobile communication system 1 may be a system conforming to a TS of a standard other than the 3GPP standard.
- the base station 200 may be an IAB (Integrated Access and Backhaul) donor or an IAB node.
- IAB Integrated Access and Backhaul
- a program that causes a computer to execute each process performed by the UE 100 or the base station 200 may be provided.
- the program may be recorded on a computer readable medium.
- a computer readable medium allows the installation of the program on the computer.
- the computer-readable medium on which the program is recorded may be a non-transitory recording medium.
- the non-transitory recording medium is not particularly limited, but may be, for example, a recording medium such as CD-ROM (Compact Disk Read Only Memory) or DVD-ROM (Digital Versatile Disc Read Only Memory). good.
- circuits that execute each process performed by the UE 100 or the base station 200 may be integrated, and at least a part of the UE 100 or the base station 200 may be configured as a semiconductor integrated circuit (chipset, SoC (System On Chip)).
- “transmit” may mean performing at least one layer of processing in the protocol stack used for transmission, or physically transmitting the signal wirelessly or by wire. It may mean sending to Alternatively, “transmitting” may mean a combination of performing the at least one layer of processing and physically transmitting the signal wirelessly or by wire.
- “receive” may mean performing processing of at least one layer in the protocol stack used for reception, or physically receiving a signal wirelessly or by wire. may mean that Alternatively, “receiving” may mean a combination of performing the at least one layer of processing and physically receiving the signal wirelessly or by wire.
- “obtain/acquire” may mean obtaining information among stored information, and may mean obtaining information among information received from other nodes.
- references to "based on” and “depending on/in response to” are used unless otherwise specified. does not mean The phrase “based on” means both “based only on” and “based at least in part on.” Similarly, the phrase “depending on” means both “only depending on” and “at least partially depending on.” Similarly, “include” and “comprise” are not meant to include only the recited items, and may include only the recited items or in addition to the recited items. Means that it may contain further items. Similarly, in the present disclosure, “or” does not mean exclusive OR, but means logical OR. Furthermore, any references to elements using the "first,” “second,” etc.
- Appendix 1 a communication unit that receives a radio resource control (RRC) message from a network including a plurality of measurement gap configurations; a control unit that measures a measurement target during each measurement gap set based on the plurality of measurement gap settings; A communications device, wherein an RRC message includes a measurement gap sharing configuration associated with each of the plurality of measurement gaps and specifying a measurement gap sharing scheme.
- RRC radio resource control
- Appendix 3 The communication device according to appendix 1 or 2, wherein the measurement gap sharing setting indicates a time ratio when a plurality of measurement targets share measurement gaps in a time division manner.
- Appendix 4 The communication device according to any one of appendices 1 to 3, wherein the control unit performs the measurement based on the measurement gap sharing setting.
- RRC radio resource control
- a communication method performed by a communication device comprising: receiving a radio resource control (RRC) message from a network including a plurality of measurement gap configurations; and measuring a measurement target during each measurement gap set based on the plurality of measurement gap settings;
- RRC radio resource control
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Abstract
Description
図1を参照して、実施形態に係る移動通信システム1の構成について説明する。移動通信システム1は、例えば、3GPPの技術仕様(Technical Specification:TS)に準拠したシステムである。以下において、移動通信システム1として、3GPP規格の第5世代システム(5th Generation System:5GS)、すなわち、NR(New Radio)に基づく移動通信システムを例に挙げて説明する。
図3及び図4を参照して、実施形態に係る移動通信システム1における想定シナリオについて説明する。図3に、既存の3GPPの移動通信システム、すなわち、リリース16以前の技術仕様に従う移動通信システムにおける動作例のシーケンスを示す。なお、UE100は、RRCコネクティッド状態にある。UE100は、基地局200が管理するサービングセルにおいて基地局200との通信を行う。
参照信号は、プライマリ同期信号(以下、PSS)及びセカンダリ同期信号(以下、SSS)と、物理ブロードキャストチャネル(PBCH)とで構成される同期信号及び物理ブロードキャストチャネルブロック(SSB)、チャネル状態情報参照信号(CSI-RS)、測位用の参照信号(PRS)の少なくともいずれかであってよい。測定対象は、例えば、SS/PBCHブロック周波数内/周波数間測定、及び/又はCSI-RS周波数内/周波数間測定に適用可能な情報を指定する測定対象(MeasObjectNR)を含む。
図5を参照して、実施形態に係るUE100の構成について説明する。UE100は、通信部110及び制御部120を備える。
図6を参照して、実施形態に係る基地局200の構成について説明する。基地局200は、通信部210と、ネットワークインターフェイス220と、制御部230とを有する。
(1)第1動作例
図7から図9を参照して、移動通信システム1の第1動作例について説明する。なお、上述の説明との相違点を主として説明する。
図7及び図11から図13を参照して、本動作例について、上述の動作例との相違点を主として説明する。本動作例では、RRCメッセージにおいて、複数の測定ギャップ設定のそれぞれは、測定ギャップ識別子と対応付けられている。
図14及び図15を参照して、第2動作例の第1変更例について、上述の動作例との相違点を主として説明する。
第2動作例の第2変更例について、上述の動作例との相違点を主として説明する。
図7及び図16及び図17を参照して、第3動作例について、上述の動作例との相違点を主として説明する。第3動作例では、複数の測定報告設定のそれぞれが、測定ギャップ識別子を含む。
図7及び図18及び図19を参照して、第4動作例について、上述の動作例との相違点を主として説明する。第4動作例では、複数の測定対象設定のそれぞれが、測定ギャップ識別子を含む。
図7及び図20を参照して、第5動作例について、上述の動作例との相違点を主として説明する。第5動作例では、測定ギャップ識別子が、第1参照信号用の測定対象設定と第2参照信号用の測定対象設定とに対して、独立に設定される。
上述の実施形態において、第2から第5動作例では、測定ギャップ識別子が、測定識別子に対応付けられていたが、これに限られない。測定ギャップ識別子の代わりに、測定ギャップ設定自体を測定識別子に対応付けてもよい。従って、測定ギャップ識別子を測定ギャップ設定に置き換えてよい。この場合、測定設定が、追加及び/又は変更すべき測定ギャップ設定のリスト(MeasGapToAddModList)を含まないように構成できる。また、測定設定は、削除すべき測定ギャップ識別子のリスト(MeasGapToRemoveList)の代わりに、削除すべき測定ギャップ設定のリストを含んでよい。
上述の実施形態に関する特徴について付記する。
複数の測定ギャップ設定を含む無線リソース制御(RRC)メッセージをネットワークから受信する通信部と、
前記複数の測定ギャップ設定に基づいて設定された各測定ギャップ中に測定対象に対する測定を行う制御部と、を備え、
RRCメッセージは、前記複数の測定ギャップのそれぞれに対応付けられ且つ測定ギャップ共有スキームを指定する測定ギャップ共有設定を含む
通信装置。
前記RRCメッセージは、前記複数の測定ギャップ設定のそれぞれと前記測定ギャップ共有設定とのセットを含む
付記1に記載の通信装置。
前記測定ギャップ共有設定は、複数の測定対象が測定ギャップを時分割で共有するときの時間比率を示す
付記1又は2に記載の通信装置。
前記制御部は、前記測定ギャップ共有設定に基づいて、前記測定を行う
付記1から3のいずれか1項に記載の通信装置。
複数の測定ギャップ設定を含む無線リソース制御(RRC)メッセージを通信装置へ送信する通信部を備え、
前記RRCメッセージは、前記複数の測定ギャップのそれぞれに対応付けられ且つ測定ギャップ共有スキームを指定する測定ギャップ共有設定を含む
基地局。
通信装置で実行される通信方法であって、
複数の測定ギャップ設定を含む無線リソース制御(RRC)メッセージをネットワークから受信するステップと、
前記複数の測定ギャップ設定に基づいて設定された各測定ギャップ中に測定対象に対する測定を行うステップと、を備え、
RRCメッセージは、前記複数の測定ギャップのそれぞれに対応付けられ且つ測定ギャップ共有スキームを指定する測定ギャップ共有設定を含む
通信方法。
Claims (6)
- 複数の測定ギャップ設定を含む無線リソース制御(RRC)メッセージをネットワーク(10)から受信する通信部(110)と、
前記複数の測定ギャップ設定に基づいて設定された各測定ギャップ中に測定対象に対する測定を行う制御部(120)と、を備え、
RRCメッセージは、前記複数の測定ギャップのそれぞれに対応付けられ且つ測定ギャップ共有スキームを指定する測定ギャップ共有設定を含む
通信装置。 - 前記RRCメッセージは、前記複数の測定ギャップ設定のそれぞれと前記測定ギャップ共有設定とのセットを含む
請求項1に記載の通信装置。 - 前記測定ギャップ共有設定は、複数の測定対象が測定ギャップを時分割で共有するときの時間比率を示す
請求項1又は2に記載の通信装置。 - 前記制御部は、前記測定ギャップ共有設定に基づいて、前記測定を行う
請求項1又は2に記載の通信装置。 - 複数の測定ギャップ設定を含む無線リソース制御(RRC)メッセージを通信装置へ送信する通信部(210)を備え、
前記RRCメッセージは、前記複数の測定ギャップのそれぞれに対応付けられ且つ測定ギャップ共有スキームを指定する測定ギャップ共有設定を含む
基地局。 - 通信装置で実行される通信方法であって、
複数の測定ギャップ設定を含む無線リソース制御(RRC)メッセージをネットワークから受信するステップと、
前記複数の測定ギャップ設定に基づいて設定された各測定ギャップ中に測定対象に対する測定を行うステップと、を備え、
RRCメッセージは、前記複数の測定ギャップのそれぞれに対応付けられ且つ測定ギャップ共有スキームを指定する測定ギャップ共有設定を含む
通信方法。
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