WO2023157153A1 - Terminal et procédé de communication sans fil - Google Patents

Terminal et procédé de communication sans fil Download PDF

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Publication number
WO2023157153A1
WO2023157153A1 PCT/JP2022/006276 JP2022006276W WO2023157153A1 WO 2023157153 A1 WO2023157153 A1 WO 2023157153A1 JP 2022006276 W JP2022006276 W JP 2022006276W WO 2023157153 A1 WO2023157153 A1 WO 2023157153A1
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pusch
transmission
transmission opportunity
proposal
option
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PCT/JP2022/006276
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English (en)
Japanese (ja)
Inventor
春陽 越後
尚哉 芝池
大輔 栗田
浩樹 原田
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株式会社Ｎｔｔドコモ
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Priority to PCT/JP2022/006276 priority Critical patent/WO2023157153A1/fr
Publication of WO2023157153A1 publication Critical patent/WO2023157153A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters

Definitions

  • the present disclosure relates to terminals and wireless communication methods.
  • the 3rd Generation Partnership Project (3GPP) specifies the 5th generation mobile communication system (also called 5G, New Radio (NR) or Next Generation (NG)), and beyond 5G, 5G Evol next-generation specifications called ution or 6G We are also proceeding with 5G generation mobile communication system (also called 5G, New Radio (NR) or Next Generation (NG)), and beyond 5G, 5G Evol next-generation specifications called ution or 6G We are also proceeding with 5G, 5G Evol next-generation specifications called ution or 6G
  • Non-Patent Document 1 a work item related to coverage enhancement (CE: Coverage Enhancement) in NR is agreed (Non-Patent Document 1).
  • One aspect of the present disclosure is to provide a terminal and a wireless communication method capable of realizing appropriate transmission power control in uplink signal transmission.
  • a terminal performs a first transmission opportunity based on a first transmission opportunity interval and a transmission opportunity interval of a first repeated transmission included in a time domain window including the first transmission opportunity.
  • a control unit that determines an interval and controls transmission power of the first transmission opportunity based on information related to transmission power control received in a reception interval defined by the first interval; a transmitter for transmitting an uplink signal in one transmission opportunity.
  • FIG. 1 is a schematic diagram illustrating a wireless communication system according to one embodiment of the disclosure
  • FIG. 1 is a diagram illustrating an example of frequency ranges used in a wireless communication system according to one embodiment of the present disclosure
  • FIG. FIG. 2 is a diagram showing a configuration example of radio frames, subframes and slots used in a radio communication system according to an embodiment of the present disclosure
  • FIG. 4 is a diagram showing an example of DMRS bundling
  • FIG. 4 is a diagram showing an example of a nominal TDW
  • FIG. 10 is a diagram showing an example of actual TDW
  • FIG. 4 is a diagram showing an example of a TPC command
  • FIG. It is a figure which shows an example of a TPC reference period.
  • FIG. 1 is a schematic diagram illustrating a wireless communication system according to one embodiment of the disclosure
  • FIG. 1 is a diagram illustrating an example of frequency ranges used in a wireless communication system according to one embodiment of the present disclosure
  • FIG. 2 is a diagram
  • FIG. 10 illustrates an example of Option 3 of Proposal 1
  • FIG. 10 illustrates an example of Option 4 of Proposal 1
  • FIG. 11 shows an example of Option 5 of Proposal 1
  • FIG. 10 is a diagram showing an example of interpretation of information indicating intervals used for transmission power control
  • FIG. 10 is a diagram showing an example of variation 3 of proposal 2
  • FIG. 11 shows an example of K PUSCH (i) in option 1′ of consideration
  • FIG. 13 illustrates an example of Option 1 of Proposal 3-1
  • FIG. 4 is a block diagram showing a functional configuration of a base station (gNB) according to one embodiment of the present disclosure
  • gNB base station
  • 1 is a block diagram showing a functional configuration of a terminal (UE) according to an embodiment of the present disclosure
  • FIG. FIG. 2 is a block diagram showing hardware configurations of a base station and a terminal according to an embodiment of the present disclosure
  • FIG. 1 is a block diagram showing a hardware configuration of a vehicle according to one embodiment of the present disclosure
  • FIG. 1 is a diagram showing an example of a radio communication system 10 according to one embodiment.
  • the radio communication system 10 is a radio communication system according to 5G New Radio (NR), and includes a Next Generation-Radio Access Network 20 (hereinafter NG-RAN 20) and a terminal 200 (hereinafter UE 200).
  • NR 5G New Radio
  • NG-RAN 20 Next Generation-Radio Access Network
  • UE 200 terminal 200
  • the wireless communication system 10 may be a wireless communication system that conforms to a system called Beyond 5G, 5G Evolution, or 6G.
  • the NG-RAN 20 includes a base station 100A (hereinafter gNB100A) and a base station 100B (hereinafter gNB100B). Note that when there is no need to distinguish between the gNB 100A, the gNB 100B, and the like, they are collectively referred to as the gNB 100. Also, the number of gNBs and UEs is not limited to the example shown in FIG.
  • the NG-RAN 20 actually includes multiple NG-RAN nodes, specifically gNBs (or ng-eNBs), and is connected to a 5G-compliant core network (5GC, not shown). Note that the NG-RAN 20 and 5GC may simply be expressed as a "network”.
  • the gNB 100A and gNB 100B are base stations conforming to 5G, and perform radio communication conforming to 5G with the UE 200.
  • gNB 100A, gNB 100B, and UE 200 generate beams BM with higher directivity by controlling radio signals transmitted from multiple antenna elements Multiple-Input Multiple-Output (MIMO), multiple component carriers (CC) It may support carrier aggregation (CA) that bundles and uses dual connectivity (DC) that communicates between the UE and each of the two NG-RAN nodes.
  • MIMO Multiple-Input Multiple-Output
  • CC component carriers
  • CA carrier aggregation
  • DC dual connectivity
  • the wireless communication system 10 supports multiple frequency ranges (FR).
  • FIG. 2 is a diagram showing an example of frequency ranges used in the wireless communication system 10.
  • the wireless communication system 10 supports FR1 and FR2.
  • the frequency band of each FR is as follows. ⁇ FR1: 410MHz to 7.125GHz ⁇ FR2: 24.25GHz to 52.6GHz
  • FR1 a Sub-Carrier Spacing (SCS) of 15 kHz, 30 kHz or 60 kHz may be used and a bandwidth (BW) of 5-100 MHz may be used.
  • FR2 is higher frequency than FR1 and may use an SCS of 60 kHz or 120 kHz (240 kHz may be included) and a bandwidth (BW) of 50-400 MHz.
  • FR2 may be subdivided into sub-labeled frequencies such as FR2-1 and FR2-2.
  • Sub-Carrier Spacing may be interpreted as neumerology. Numerology is defined in 3GPP TS38.300 and corresponds to one subcarrier spacing in the frequency domain.
  • the wireless communication system 10 may support a higher frequency band than the FR2 frequency band. Specifically, the wireless communication system 10 may support frequency bands above 52.6 GHz and up to 114.25 GHz. Such a high frequency band may be conveniently referred to as "FR2x". Cyclic Prefix-Orthogonal Frequency Division Multiplexing (CP-OFDM)/Discrete Fourier Transform-Spread-Orthogonal Frequency Division Mu with larger SCS when using bands above 52.6 GHz Even if ltiplexing (DFT-S-OFDM) is applied good.
  • CP-OFDM Cyclic Prefix-Orthogonal Frequency Division Multiplexing
  • DFT-S-OFDM Discrete Fourier Transform-Spread-Orthogonal Frequency Division Mu with larger SCS when using bands above 52.6 GHz Even if ltiplexing
  • FIG. 3 is a diagram showing a configuration example of radio frames, subframes, and slots used in the radio communication system 10.
  • FIG. 3 As shown in FIG. 3, one slot consists of 14 symbols, and the larger (wider) the SCS, the shorter the symbol period (and the slot period).
  • the SCS is not limited to the intervals (frequencies) shown in FIG. For example, 480 kHz, 960 kHz, etc. may be used as SCS.
  • the number of symbols forming one slot does not necessarily have to be 14 symbols (for example, 28 or 56 symbols). Furthermore, the number of slots per subframe may vary for different SCSs.
  • time direction (t) shown in FIG. 3 may also be referred to as the time domain, symbol period, symbol time, or the like.
  • frequency direction may be called a frequency domain, a resource block, a subcarrier, a bandwidth part (BWP: Bandwidth Part), or the like.
  • a demodulation reference signal is a kind of reference signal and is prepared for various channels.
  • DMRS may mean DMRS for downlink data channels (specifically, Physical Downlink Shared Channel (PDSCH)).
  • PDSCH Physical Downlink Shared Channel
  • DMRS for uplink data channels specifically, PUSCH
  • PUSCH uplink data channels
  • DMRS may be used for channel estimation in a device (eg, UE 200) as part of coherent demodulation.
  • DMRS may exist only in resource blocks (RBs) used for PDSCH transmission.
  • a DMRS may have multiple mapping types. Specifically, the DMRS may have mapping type A and mapping type B. For mapping type A, the first DMRS may be placed in the 2nd or 3rd symbol of the slot. For mapping type A, the DMRS may be mapped relative to slot boundaries, regardless of where in the slot the actual data transmission begins. The reason why the first DMRS is placed in the 2nd or 3rd symbol of the slot may be interpreted as to place the first DMRS after the control resource sets (CORESET).
  • CORESET control resource sets
  • the first DMRS may be placed in the first symbol of data allocation. That is, the position of the DMRS may be given relative to where the data is located rather than relative to slot boundaries.
  • the DMRS may have multiple types. Specifically, DMRS may have Type 1 and Type 2. Type 1 and Type 2 differ in mapping in the frequency domain and the maximum number of orthogonal reference signals. Type 1 can output up to 4 orthogonal signals in single-symbol DMRS, and Type 2 can output up to 8 orthogonal signals in double-symbol DMRS.
  • the radio communication system 10 may support coverage enhancement (CE: Coverage Enhancement) that expands the coverage of cells (or physical channels) formed by the gNB 100 .
  • Coverage enhancement may provide mechanisms for increasing the success rate of reception of various physical channels.
  • the gNB 100 may support repeated transmission (eg, repetition) of downlink (DL) signals, and the UE 200 may support repeated transmission of uplink (UL) signals.
  • DL downlink
  • UL uplink
  • a UL signal may include, for example, a UL data signal and control information.
  • the UL signal may include information about the processing capability of the UE 200 (eg, UE capability).
  • the UL signal may include a reference signal.
  • Channels used to transmit UL signals include, for example, data channels and control channels.
  • the data channel may include PUSCH
  • the control channel may include Physical Uplink Control Channel (PUCCH).
  • PUCCH Physical Uplink Control Channel
  • the UE 200 transmits control information using PUCCH, and transmits UL data signals using PUSCH.
  • PUSCH is an example of an uplink shared channel
  • PUCCH is an example of an uplink control channel.
  • a shared channel may also be referred to as a data channel.
  • PUSCH may include DG (dynamic grant) PUSCH and CG PUSCH. It may be assumed that DG PUSCH is PUSCH scheduled by DCI, and CG (configured grant) PUSCH is PUSCH set by configured grant.
  • DG dynamic grant
  • CG configured grant
  • Reference signals included in the UL signal include, for example, DMRS, Phase Tracking Reference Signal (PTRS), Channel State Information-Reference Signal (CSI-RS), Sounding Reference Signal (SRS) and Positioning Refer for position information ence Signal (PRS ) may be included.
  • DMRS Phase Tracking Reference Signal
  • CSI-RS Channel State Information-Reference Signal
  • SRS Sounding Reference Signal
  • PRS Positioning Refer for position information ence Signal
  • reference signals such as DMRS and PTRS are used for demodulation of UL data signals and transmitted using PUSCH.
  • a signal transmitted using PUSCH is not limited to a data signal.
  • Signals transmitted using PUSCH may include signals other than data signals (eg, control signals, reference signals, etc.).
  • transmitting a signal using PUSCH may be referred to as transmitting PUSCH or PUSCH transmission.
  • occasions for transmitting PUSCH may hereinafter be referred to as PUSCH transmission opportunities or simply transmission opportunities.
  • the i-th transmission opportunity (i may be an integer greater than or equal to 0) may be denoted as transmission opportunity i.
  • signals transmitted using PUCCH are not limited to control signals.
  • Signals transmitted using PUCCH may include signals other than control signals (eg, data signals, reference signals, etc.). may also be referred to as PUCCH transmissions, and occasions to transmit PUCCH may hereinafter be referred to as PUCCH transmission opportunities or simply as transmission opportunities.
  • a DL signal may include, for example, a DL data signal and control information.
  • the DL signal includes information on communication control of UE 200 (eg, downlink control information (DCI), radio resource control (RRC) signaling, media access control control element (MAC CE), etc.).
  • the DL signal may include a reference signal.
  • Channels used to transmit DL signals include, for example, data channels and control channels.
  • the data channel may include PDSCH
  • the control channel may include Physical Downlink Control Channel (PDCCH).
  • the gNB 100 transmits control information using the PDCCH and transmits DL data signals using the PDSCH.
  • PDSCH is an example of a downlink shared channel
  • PDCCH is an example of a downlink control channel.
  • a shared channel may also be referred to as a data channel.
  • the reference signal included in the DL signal may include, for example, at least one of DMRS, PTRS, CSI-RS, SRS, and PRS for location information.
  • reference signals such as DMRS and PTRS are used for demodulation of DL data signals and transmitted using PDSCH.
  • a time division duplex (TDD) slot configuration pattern may be set.
  • DDDSU downlink (DL) symbol, S: DL/UL or guard symbol, U: UL symbol
  • DL downlink
  • S downlink
  • U UL symbol
  • D indicates a slot containing all DL symbols
  • S indicates a slot in which DL, UL, and guard symbols (G) are mixed.
  • U indicates a slot containing all UL symbols.
  • PUSCH (or PUCCH) channel estimation can be performed using a demodulation reference signal (DMRS) for each slot.
  • DMRS demodulation reference signal
  • PUCCH demodulation reference signal
  • Such channel estimation may be called Joint channel estimation. Alternatively, it may be called by another name such as cross-slot channel estimation.
  • the UE 200 transmits DMRS assigned to (spanning) multiple slots so that the gNB 100 can perform joint channel estimation using DMRS.
  • DMRS bundling that bundles multiple slot DMRS is applied.
  • FIG. 4 is a diagram showing an example of DMRS bundling.
  • the horizontal axis of FIG. 4 represents the time axis.
  • FIG. 4 shows multiple PUSCHs and DMRSs allocated to each PUSCH.
  • the UE 200 transmits DMRS on PUSCH while maintaining power consistency and phase continuity within the actual time domain window (actual TDW).
  • the gNB 100 performs channel estimation by applying joint channel estimation in some slots within the actual TDW.
  • the actual TDW may be determined based on the nominal time domain window (nominal TDW).
  • nominal TDW An example of how to determine the nominal TDW and the actual TDW is shown below.
  • FIG. 5 is a diagram showing an example of nominal TDW.
  • the horizontal axis in FIG. 5 represents the time axis, and the vertical axis represents the frequency axis.
  • "U” in FIG. 5 indicates a UL slot, and "D” indicates a DL slot.
  • FIG. 5 shows a case where the parameter “PUSCH-TimeDomainWindowLength” is 7.
  • the start of a nominal TDW (e.g. starting position or starting slot) is determined differently for the first nominal TDW case and for other nominal TDWs (e.g. a nominal TDW other than the first nominal TDW).
  • the start of the nominal TDW is the first slot determined for the first PUSCH transmission, as indicated by arrow St1 in FIG.
  • the nominal TDW starts at the previous The first slot determined for PUSCH transmission after the last slot determined for PUSCH transmission of nominal TDW (nominal TDW#1).
  • the start of nominal TDW is the previous nominal TDW (nominal TDW#1), as indicated by arrow St2 in FIG. ) is the first slot after the last slot determined for PUSCH transmission.
  • the interval of nominal TDWs other than the last nominal TDW is set according to PUSCH-TimeDomainWindowLength if PUSCH-TimeDomainWindowLength is set (if configured). For example, in the example of FIG. 5, 7 slots are intervals of nominal TDWs other than the last nominal TDW. Otherwise (e.g., if PUSCH-TimeDomainWindowLength is not set), the interval of nominal TDWs other than the last nominal TDW may be the minimum of the time interval of PUSCH transmission and "maxDMRS-BundlingDuration".
  • PUSCH-TimeDomainWindowLength may be information set by RRC signaling (or described as RRC parameter notification) or included in DCI or MAC CE. It may be information.
  • the end (eg, end position or end slot) of the last nominal TDW may be the last slot determined for the last PUSCH transmission, as indicated by arrow En.
  • Fig. 6 is a diagram showing an example of an actual TDW.
  • the horizontal axis in FIG. 6 represents the time axis, and the vertical axis represents the frequency axis.
  • "U” in FIG. 6 indicates a UL slot, and "D” indicates a DL slot.
  • FIG. 6 shows a case where the parameter “PUSCH-TimeDomainWindowLength” is 7.
  • the start (eg, start position or start symbol) of the actual TDW may be the first symbol of the first PUSCH transmission within the nominal TDW, as indicated by arrow St4 in FIG.
  • the start of the actual TDW may be the first symbol of PUSCH transmission after the event, as indicated by arrow St5 in FIG.
  • the event may be an event that breaks power coherence and phase continuity.
  • the event may be at least one of a downlink (DL) slot, DL reception, and DL monitoring.
  • the event may be frequency hopping or timing adjustment.
  • PUSCH-Window-Restart is disabled (e.g., if PUSCH-Window-Restart is not enabled)
  • the start of the actual TDW may be the first symbol of the PUSCH transmission after the event, or the event It does not have to be the first symbol of a subsequent PUSCH transmission.
  • the end position (eg, end symbol) of the actual TDW may be the last symbol of the last PUSCH transmission in the slot for PUSCH transmission in the nominal TDW, as indicated by arrow En1 in FIG.
  • the end position of the actual TDW may be the last symbol of the PUSCH transmission after the event, as indicated by arrow En2 in FIG.
  • the termination position of the actual TDW may be the last symbol of the PUSCH transmission after the event, as indicated by arrow En2 in FIG.
  • the termination position of actual TDW is the last PUSCH in the slot for PUSCH transmission in nominal TDW. It may be the last symbol of the transmission or the last symbol of the PUSCH transmission after the event.
  • PUSCH-Window-Restart may be information set by RRC signaling, or may be information included in DCI or MAC CE.
  • nominal TDW and actual TDW may be set, and joint channel estimation may be performed in actual TDW.
  • TB processing over multi-slot which processes transport blocks (TB) via PUSCH assigned to multiple slots, may be applied for power coverage extension.
  • the number of symbols allocated may be the same in each slot like Time Domain Resource Allocation (TDRA) of PUSCH Repetition type A, or may be the same in each slot like TDRA of PUSCH Repetition type B.
  • TDRA Time Domain Resource Allocation
  • the number of assigned symbols can be different.
  • Repetition type A may be interpreted as a form in which the PUSCH allocated within the slot is repeatedly transmitted.
  • Repetition type B may be interpreted as repeated transmission of PUSCH to which 15 or more PUSCH symbols may be allocated.
  • TDRA may be interpreted as resource allocation in the PUSCH time domain specified in 3GPP TS38.214.
  • the PUSCH TDRA may be interpreted as defined by a radio resource control layer (RRC) information element (IE), specifically PDSCH-Config or PDSCH-ConfigCommon.
  • RRC radio resource control layer
  • TDRA may also be interpreted as resource allocation in the PUSCH time domain specified by Downlink Control Information (DCI).
  • DCI Downlink Control Information
  • gNB 100 (hereinafter may be referred to as a base station.) DL signal transmission, and UE 200 (hereinafter may be referred to as a terminal) in UL signal transmission , transmission power is controlled.
  • the terminal determines the PUSCH transmission power at PUSCH transmission opportunity i based on information (eg, parameters) including f b,f,c (i,l).
  • fb ,f,c (i,l) is called the PUSCH power control adjustment state.
  • b indicates the UL BWP
  • f indicates the carrier
  • c indicates the serving cell.
  • l represents an index attached to the PUSCH power control adjustment state.
  • the method of determining the PUSCH power control adjustment state differs depending on whether the parameter tpc-Accumulation is provided to the terminal.
  • tpc-Accumulation is a parameter used for power control and is provided by RRC signaling. For example, if tpc-Accumulation is not provided (no tpc-Accumulation field), tpc-Accumulation is valid, and if tpc-Accumulation is provided, tpc-Accumulation is invalid.
  • the PUSCH power control adjustment state for transmission opportunity i is determined based on equation (1).
  • the first term on the right hand side of equation (1) indicates the PUSCH power control adjustment state for transmission opportunity ii0 .
  • i0 is a positive number.
  • i 0 is the smallest i 0 at which the time point before K PUSCH (i) symbols of transmission opportunity i is later than the time point before K PUSCH (i ⁇ i 0 ) symbols of transmission opportunity i ⁇ i 0 . is i 0 of .
  • the second term on the right side of equation (1) indicates the sum of ⁇ PUSCH,b,f,c (m,l).
  • ⁇ PUSCH,b,f,c (m,l) may be referred to as a value of a transmit power control (TPC) command, or may be referred to as a TPC command.
  • TPC transmit power control
  • the second term on the right side of equation (1) corresponds to the sum of the TPC command values in the set Di of TPC command values.
  • ⁇ PUSCH, b, f, c (m, l) may be abbreviated as " ⁇ ”.
  • a TPC command is an example of information related to transmission power control.
  • the PUSCH power control adjustment state determined based on the TPC command is another example of information regarding transmission power control.
  • the TPC command ⁇ is given, for example, by the table shown in FIG.
  • FIG. 7 is a diagram showing an example of a TPC command.
  • FIG. 7 shows the values (for example, indexes) indicated by the fields of the TPC command and the values of ⁇ (TPC values) corresponding to the indexes.
  • accumulated (delta) PUSCH,b,f,c of FIG. 7 is used.
  • the TPC value associated with the index indicated by the TPC command ⁇ may be referred to as the value of the TPC command ⁇ .
  • the value of the TPC command and the TPC command may be read interchangeably.
  • ⁇ to be added is ⁇ included in a predetermined time interval.
  • ⁇ included in the predetermined time interval may be ⁇ received by the terminal during the predetermined time interval.
  • the TPC command ⁇ may be included in the DCI.
  • the predetermined time interval is, for example, a symbol-based time interval.
  • the predetermined time interval is hereinafter referred to as the TPC reference period.
  • the TPC reference interval is defined by K PUSCH (i) set for transmission opportunity i.
  • K PUSCH (i) indicates the timing at which the TPC command is reflected in transmission power control or the timing at which the transmission power is corrected by the TPC command.
  • K PUSCH (i) is an interval related to determination of ⁇ and is an example of an interval used for transmission power control.
  • the TPC reference interval may be the interval from K PUSCH (i ⁇ i 0 ) symbols before transmission opportunity ii 0 to K PUSCH (i) symbols before transmission opportunity i.
  • FIG. 8 is a diagram showing an example of a TPC reference section.
  • the horizontal axis of FIG. 8 represents the time axis.
  • FIG. 8 shows DG PUSCH#1 corresponding to transmission opportunity i and CG PUSCH#1 corresponding to transmission opportunity ii0 .
  • FIG. 8 also shows time T2 before K PUSCH-DG symbols of DG PUSCH and time T1 indicating K PUSCH-CG symbols before CG PUSCH.
  • K PUSCH-DG and K PUSCH-CG correspond to K PUSCH (i) and K PUSCH (i ⁇ i 0 ), respectively.
  • the interval between time T1 indicating K PUSCH-CG symbols before the CG PUSCH and time T2 before the K PUSCH-DG symbols of the DG PUSCH may be the TPC reference interval.
  • ⁇ added in the second term on the right side of Equation (1) is ⁇ 1 included in DCI#1.
  • the PUSCH power control adjustment state for transmission opportunity i is included in the PUSCH power control adjustment state for transmission opportunity i- i0 and the TPC reference period. It is determined by addition with the sum of ⁇ .
  • the PUSCH power control adjustment state for transmission opportunity i is determined based on equation (2).
  • the PUSCH power control adjustment state for transmission opportunity i may be determined based on the TPC command ⁇ PUSCH,b,f,c (i,l).
  • the PUSCH power control adjustment state for transmission opportunity i may be the value (TPC value) indicated by the TPC command ⁇ PUSCH,b,f,c (i,l).
  • determining the PUSCH power control adjustment state for transmission opportunity i may correspond to determining the TPC command ⁇ PUSCH,b,f,c (i,l) for transmission opportunity i.
  • the TPC command ⁇ may be determined with reference to FIG. 7 in the same manner as the TPC command described in Equation (1). Note that the value of the TPC command ⁇ in equation (2) is determined based on the absolute value in FIG. In addition, the second term on the right side of equation (1) uses the sum of ⁇ PUSCH,b, f, c (m, l) with respect to m, whereas in equation (2), ⁇ PUSCH,b , f, c (i, l) are used.
  • the PUSCH power control adjustment state for transmission opportunity i is the value of ⁇ PUSCH,b,f,c (i,l) corresponding to transmission opportunity i (eg, TPC value).
  • ⁇ PUSCH,b,f,c (i,l) schedules transmission opportunity i with UL BWP of carrier f in serving cell c being b TPC commands included in the DCI format and TPC commands in DCI format 2_2 are specified.
  • the linkage of the index i of the TPC command to the TPC command of DCI format 2_2 is not clear. Therefore, how to determine the PUSCH power control adjustment state for PUSCHs that are not dynamically scheduled by DCI (eg, CG PUSCHs, etc.) deserves special consideration.
  • Proposal 1 which will be described later, describes how to determine the PUSCH power control adjustment state when tpc-Accumulation is provided to the terminal. According to Proposal 1 described below, when tpc-Accumulation is provided to the terminal, an appropriate PUSCH power control adjustment state can be determined, and power control using appropriate transmission power can be performed.
  • interval information e.g., K PUSCH (i)
  • Proposal 2 which will be described later, a method of interpreting section information indicating sections used for transmission power control will be described. According to Proposal 2, when performing coverage extension, it is possible to appropriately set the section information indicating the section to be used for transmission power control, so it is possible to perform transmission power control appropriately.
  • Proposal 3 which will be described later, describes a method of setting section information indicating sections used for transmission power control when performing coverage extension. According to Proposal 3, when performing coverage extension, it is possible to appropriately set the section information indicating the section to be used for transmission power control, so it is possible to perform transmission power control appropriately.
  • Proposal 1 the PUSCH power control adjustment state is determined based on the following options when tpc-Accumulation is provided to the terminal.
  • the terminal determines the PUSCH power control adjustment state for transmission opportunity i based on the TPC commands included in the DCI that scheduled transmission opportunity i.
  • the PUSCH power control adjustment state for transmission opportunity i is determined based on the TPC commands included in the DCI that triggered transmission opportunity i.
  • DCI that triggers the transmission opportunity i may be replaced by other expressions such as DCI that enables the transmission opportunity i, DCI that makes the transmission opportunity i active, and DCI that makes the transmission opportunity i allowable.
  • FIG. 9 is a diagram showing an example of Option 1 of Proposal 1.
  • FIG. The horizontal axis in FIG. 9 represents the time axis.
  • FIG. 9 shows transmission opportunities for PUSCH#1 to PUSCH#4, DCI#1 that schedules PUSCH#1 to PUSCH#4, and DCI#2 that does not schedule PUSCH#1 to PUSCH#4.
  • DCI#1 contains the TPC command ⁇ 1
  • DCI#2 contains the TPC command ⁇ 2 .
  • the DCI shown in FIG. 9 and each figure after FIG. 9 may correspond to the DCI itself, or may correspond to the PDCCH including the DCI.
  • PUSCH#1 to PUSCH#4 may be PUSCHs used for repeated transmission of CG PUSCH.
  • DCI #1 may be a DCI that semi-persistently schedules configured grant type 2 PUSCH.
  • the PUSCH power control adjustment state for transmission opportunity i is determined based on the TPC commands included in the DCI that scheduled transmission opportunity i. Therefore, as shown in FIG. 9, the PUSCH power control adjustment states of PUSCH#1 to PUSCH#4 are determined based on the TPC command ⁇ 1 included in DCI#1 that schedules PUSCH#1 to PUSCH#4. be done. In other words, TPC command ⁇ 1 is used to determine TPC values for PUSCH#1 to PUSCH#4.
  • the PUSCH power control adjustment state of each of PUSCH#1-PUSCH#4 is determined to be the same value as the value of TPC command ⁇ 1 .
  • an appropriate PUSCH power control adjustment state can be determined when triggered by DCI even in dynamically non-scheduled CG PUSCH transmissions. , appropriate transmission power control can be realized. Also, since the operation of the terminal is the same as in the case of DG PUSCH transmission, the configuration of the terminal can be simplified.
  • the terminal determines the PUSCH power control adjustment state for transmission opportunity i based on the PUSCH power control adjustment state for a particular transmission opportunity (eg, transmission opportunity 0).
  • the PUSCH power control adjustment state for transmission opportunity i may be determined to be the same value as the PUSCH power control adjustment state for a particular transmission opportunity (eg, transmission opportunity 0).
  • fb,f,c (i,l) fb,f,c (x,l).
  • x is an index that indicates a particular transmission opportunity.
  • x may be 0, or may be a value different from 0, for example.
  • x may be an integer greater than or equal to 0 and less than i.
  • the specific transmission opportunity is not limited to the example of 0 transmission opportunities.
  • the specific transmission opportunity may be the transmission opportunity of the first repetition of the repeated transmission.
  • the PUSCH power control adjustment states for transmission opportunities of the second and subsequent repetitions of repeated transmission are determined based on the PUSCH power control adjustment states of the first repetition of transmission opportunities of repeated transmission. be. In this case, it may be determined that the PUSCH power control adjustment states of the transmission opportunities of the second and subsequent repetitions of the repeated transmission are the same value as the PUSCH power control adjustment states of the transmission opportunities of the first repetition of the repeated transmission.
  • the specific transmission opportunity may be the first PUSCH transmission in TBoMS or a PUSCH transmission opportunity.
  • the PUSCH power control adjustment state of the transmission opportunity of the second and subsequent PUSCH transmissions is the PUSCH power control state of the first PUSCH transmission (or the first PUSCH transmission opportunity). Determined based on the adjustment state. In this case, it may be determined that the PUSCH power control adjustment state of the transmission opportunities of the second and subsequent PUSCH transmissions is the same value as the PUSCH power control adjustment state of the first PUSCH transmission (or the first PUSCH transmission opportunity). .
  • the PUSCH power control adjustment state of transmission opportunity i performs a specific operation (eg, multiplication of a coefficient, addition of offset, etc.) with respect to the PUSCH power control adjustment state of a specific transmission opportunity (eg, transmission opportunity 0). It may be calculated by doing
  • the terminal can be set in the same way as the previously set PUSCH power control adjustment state, so that appropriate transmission power control can be performed. realizable.
  • the terminal has not received a TPC command that can be referenced after the initial connection of the terminal, information transmitted and received in the RACH (Random Access Channel) procedure (e.g., Msg1, MsgA, and at least one of RAR) Based on this, the TPC command can be determined.
  • Msg1 may be an RA (random access) preamble transmitted from the gNB 100.
  • RAR stands for Random Access Response.
  • the PUSCH power control adjustment state for transmission opportunity i is determined based on a particular TPC command received before K PUSCH (i) symbols before transmission opportunity i.
  • the PUSCH power control adjustment state for transmission opportunity i is determined based on the most recent of the TPC commands received before K PUSCH (i) symbols before transmission opportunity i.
  • FIG. 10 is a diagram showing an example of Option 3 of Proposal 1.
  • FIG. The horizontal axis of FIG. 10 represents the time axis.
  • FIG. 10 shows transmission opportunities for each of PUSCH#1 to PUSCH#4, DCI#1, and DCI#2.
  • DCI#1 contains the TPC command ⁇ 1
  • DCI#2 contains the TPC command ⁇ 2 .
  • the PUSCH power control adjustment state for transmission opportunity i is based on the most recent of the TPC commands received before K PUSCH (i) symbols before transmission opportunity i. It is determined. Therefore, as shown in FIG. 10, the PUSCH power control adjustment state for PUSCH#1 is determined based on the TPC command ⁇ 1 included in DCI#1. Also, the PUSCH power control adjustment state of each of PUSCH#2 to PUSCH#4 is determined based on the TPC command ⁇ 2 included in DCI#2.
  • the PUSCH power control adjustment state of PUSCH#1 is determined to be the same value as the value of TPC command ⁇ 1
  • the respective PUSCH power control adjustment states of PUSCH#2 to PUSCH#4 are determined is determined to be the same value as the value of the TPC command .delta.2 .
  • Option 3 of Proposal 1 it is possible to dynamically change the PUSCH power control adjustment state, so appropriate power control can be performed according to changes in the communication environment. Appropriate power control can also be performed from the viewpoint of latency.
  • the PUSCH power control adjustment state for transmission opportunity i is determined based on the PUSCH power control adjustment state for transmission opportunity i- ix .
  • the PUSCH power control adjustment state for transmission opportunity i may be determined to be the same value as the PUSCH power control adjustment state for transmission opportunities ix .
  • f b,f,c (i,l) f b,f,c (i ⁇ i x ,l).
  • condition 1 a value such that the point in time K PUSCH (i) symbols before transmission opportunity i is later than the point in time K PUSCH (i ⁇ i x ) symbols before transmission opportunity i ⁇ i x .
  • condition 2 the condition that ⁇ PUSCH,b,f,c (i ⁇ i x ,l) exists.
  • the condition that ⁇ PUSCH,b,f,c (i ⁇ i x ,l) exists may be, for example, that there is a DCI that schedules or triggers transmission opportunity ii x .
  • FIG. 11 is a diagram showing an example of Option 4 of Proposal 1.
  • the horizontal axis of FIG. 11 represents the time axis.
  • FIG. 11 shows DCI #1, DG PUSCH #1, CG PUSCH #1, DCI #2, CG PUSCH #2, DCI #3, DG PUSCH #2, and CG PUSCH #3. , is indicated.
  • FIG. 11 also shows K PUSCHs defined for each PUSCH.
  • DCI#1 is the DCI that schedules DG PUSCH#1 and includes TPC command ⁇ 1 .
  • DCI#2 is the common DCI for the group and contains the TPC command ⁇ 2 .
  • DCI#3 is the DCI that schedules DG PUSCH#2 and includes TPC ⁇ 3 .
  • condition 1 is satisfied because time T1 before K PUSCH#1 symbols of CG PUSCH#1 is after time T2 before K DG PUSCH symbols of DG PUSCH#1.
  • Condition 2 is satisfied since DCI#1 that schedules DG PUSCH#1 exists and DCI#1 includes TPC command ⁇ 1 . Therefore, the PUSCH power control adjustment state of CG PUSCH#1 is determined based on the PUSCH power control adjustment state of DG PUSCH#1.
  • the PUSCH power control adjust state of CG PUSCH#1 is determined to be the same value as the PUSCH power control adjust state of DG PUSCH#1 (eg, the value of TPC command ⁇ 1 ).
  • CG PUSCH#2 As with CG PUSCH#1, the transmission opportunity that satisfies condition 1 and condition 2 is DG PUSCH#1, so the PUSCH power control adjustment state of CG PUSCH#2 is DG PUSCH Determined based on #1 PUSCH power control adjustment state.
  • time T3 before K PUSCH #3 symbols of CG PUSCH#3 is after time T4 before K DG PUSCH symbols of DG PUSCH#2, so condition 1 is satisfied. do.
  • DCI#3 that schedules DG PUSCH#2 exists, and DCI#3 includes TPC command ⁇ 3 , so condition 2 is satisfied. Therefore, the PUSCH power control adjustment state of CG PUSCH#3 is determined based on the PUSCH power control adjustment state of DG PUSCH#2.
  • the PUSCH power control adjust state of CG PUSCH#3 is determined to be the same value as the PUSCH power control adjust state of DG PUSCH#2 (eg, TPC command ⁇ 3 ).
  • information about transmission power control of CG PUSCH not scheduled by DCI can be set based on transmission power control of DG PUSCH scheduled by DCI, so that transmission power control of CG PUSCH is can be done properly.
  • TPC commands in DCI format 2_2 with CRC scrambled by TPC-PUSCH-RNTI are Not affected by PUSCH transmissions.
  • TPC commands in DCI format 2_2 with CRC scrambled by TPC-PUSCH-RNTI do not affect the PUSCH power control adjustment state if tpc-accumulation is not provided.
  • the terminal determines the PUSCH power control adjustment state for transmission opportunity i based on at least one of the TPC commands received prior to transmission opportunity i.
  • the PUSCH power control adjustment state for transmission opportunity i is determined based on the latest TPC command among the TPC commands received before transmission opportunity i.
  • the PUSCH power control adjustment state for transmission opportunity i may be determined to be the same value as the most recent TPC command.
  • the PUSCH power control adjustment state for transmission opportunity i may be calculated by performing a specific operation (eg, multiplying by a factor, adding an offset, etc.) to the value indicated by the most recent TPC command.
  • FIG. 12 is a diagram showing an example of Option 5 of Proposal 1.
  • the horizontal axis of FIG. 12 represents the time axis.
  • FIG. 12 shows transmission opportunities for PUSCH#1 to PUSCH#4, DCI#1, and DCI#2.
  • DCI#1 contains the TPC command ⁇ 1
  • DCI#2 contains the TPC command ⁇ 2 .
  • the PUSCH power control adjustment state for transmission opportunity i is determined based on the most recent TPC command received prior to transmission opportunity i. Therefore, as shown in FIG. 12, the PUSCH power control adjustment state for PUSCH#1 is determined based on the TPC command ⁇ 1 included in DCI#1. Also, the PUSCH power control adjustment state of each of PUSCH#2 to PUSCH#4 is determined based on the TPC command ⁇ 2 included in DCI#2.
  • the PUSCH power control adjustment state of PUSCH#1 is determined to be the same value as the value of TPC command ⁇ 1
  • the respective PUSCH power control adjustment states of PUSCH#2 to PUSCH#4 are determined is determined to be the same value as the value of the TPC command .delta.2 .
  • Option 5 of Proposal 1 it is possible to dynamically change the PUSCH power control adjustment state, so appropriate power control can be performed according to changes in the communication environment. Appropriate power control can also be performed from the viewpoint of latency.
  • At least one of the TPC commands received before the transmission opportunity i is the latest TPC command among the TPC commands received before the transmission opportunity i.
  • the disclosure is not limited thereto.
  • at least any one of the TPC commands received prior to transmission opportunity i may be a TPC command received prior to the most recent TPC command.
  • At least one of the TPC commands received before transmission opportunity i may be two or more of the TPC commands received before transmission opportunity i.
  • the two or more TPC commands may be the most recent two or more, or all of the TPC commands received within a specified time period prior to transmission opportunity i.
  • the PUSCH power control adjustment state for transmission opportunity i is calculated, for example, by performing a specific operation (e.g., addition, subtraction, average, etc.) on the values indicated by each of the two or more TPC commands. may be
  • Option 6 combines Options 1 through 5 of Proposal 1.
  • Options 1 to 5 of Proposal 1 are selected and used.
  • the selection method is not particularly limited. In the first case, any one of options 1 to 5 may be selected, and in a second case different from the first case, an option different from the option selected in the first case may be selected. .
  • option 2 is selected and option 2 is used to determine the PUSCH power control adjustment state for transmission opportunity i.
  • option 3 is selected, and option 3 is used to determine the PUSCH power control adjustment state for transmission opportunity i. do.
  • the option selected in the case where transmission opportunity i is DG PUSCH and the option selected in the case where transmission opportunity i is CG PUSCH may be different from each other.
  • the options selected in each repetition may differ from each other.
  • options selected in the first repetition may differ from options selected in the second and subsequent repetitions.
  • option 1 may be selected in the first repetition
  • option 3 and so on may be selected in the second and subsequent repetitions.
  • the options selected in each PUSCH transmission (or each PUSCH transmission opportunity) of TBoMS may differ from each other.
  • the options selected in the first PUSCH transmission (or transmission opportunity) of TBoMS and the options selected in the second and subsequent PUSCH transmissions (or transmission opportunities) may differ from each other.
  • option 1 may be selected for the first PUSCH transmission (or transmission opportunity)
  • option 3, etc. may be selected for the second and subsequent PUSCH transmissions (or transmission opportunities).
  • Proposal 1 may be applied to the terminal.
  • the capabilities defined in Rel-17 may be, for example, capabilities related to DMRS bundling.
  • Proposal 1 may be applied to the terminal if the capabilities defined in Rel-17 hold other capabilities that are different from the capabilities related to DMRS bundling.
  • Proposal 1 may be applied.
  • Proposal 1 may be applied when the RRC parameter (eg, PUSCH-DMRS-Bundling) is set to 'DMRS bundling is applied'.
  • the RRC parameter e.g., PUSCH-DMRS-Bundling
  • the RRC parameter e.g., PUSCH-DMRS-Bundling
  • the RRC parameter is set to apply DMRS bundling and/or PUSCH is transmitted applying PUSCH repetition type A/B or TB processing over multi-slot If so, Proposition 1 may apply.
  • the RRC parameter (eg, PUSCH-DMRS-Bundling) is the option of proposal 1 that is applied when DMRS bundling is set to be applied, and the RRC parameter (eg, PUSCH-DMRS-Bundling) is DMRS bundling
  • the options of Proposition 1, which apply when is not set to apply, may be applied independently of each other.
  • the option of proposal 1, which is applied when the RRC parameter (eg, PUSCH-DMRS-Bundling) is set to apply DMRS bundling is that the RRC parameter (eg, PUSCH-DMRS-Bundling) is set to DMRS bundling may differ from the options in Proposition 1 that apply if is not set to apply.
  • the option of Proposition 1 may apply. Whether the RRC parameter (e.g., PUSCH-DMRS-Bundling) is set to apply DMRS bundling and/or PUSCH is transmitted applying PUSCH repetition type A/B or TB processing over multi-slot. Different Proposal 1 options may apply depending on whether or not
  • K PUSCH i
  • parameter information
  • FIG. 13 is a diagram showing an example of interpretation of information indicating intervals used for transmission power control.
  • Interpretation A and interpretation B are shown in FIG.
  • Interpretation A and interpretation B in FIG. 13 show four PUSCHs, DG PUSCH#1 to DG PUSCH#4, and a PDCCH including DCI#1 that schedules the four PUSCHs.
  • four PUSCHs are examples of transmission opportunities for repeated transmission of DG PUSCH, for example.
  • K PUSCH (i) is the PDCCH of the scheduled DCI and the transmission opportunity corresponding to the first PUSCH transmission (in other words, the first PUSCH repetition) in the repeated transmission of the DG PUSCH.
  • K PUSCH (i) is the symbol before the transmission opportunity corresponding to the first PUSCH transmission in the repeated transmission of DG PUSCH from the last symbol of PDCCH of the scheduled DCI. and (K PUSCH#1 in FIG. 13).
  • K PUSCH (i) when the second and subsequent PUSCH transmissions in repeated transmission are transmission occasion i is the same as K PUSCH ( i) when the first PUSCH transmission is transmission occasion i good.
  • K PUSCH (i) is specified based on the PDCCH of the scheduled DCI and the transmission opportunities corresponding to each PUSCH transmission (in other words, each PUSCH repetition) in repeated transmissions of the DG PUSCH. be done.
  • K PUSCH (i) is the symbol before each transmission opportunity corresponding to each PUSCH transmission in repeated transmissions of the DG PUSCH from the last symbol of the PDCCH of the scheduled DCI. is the interval between
  • K PUSCH (i) is defined based on Interpretation A.
  • K PUSCH (i) is the PDCCH of the DCI that scheduled the DG PUSCH and the first PUSCH transmission in the repetition transmission of the DG PUSCH (in other words, the first PUSCH repetition). is defined based on the transmission opportunity corresponding to
  • K PUSCH (i) is from the last symbol of the PDCCH of the DCI that scheduled the DG PUSCH to the symbol before the transmission opportunity corresponding to the first PUSCH transmission in repeated transmissions of the DG PUSCH. is the interval between
  • K PUSCH (i) is specified based on Interpretation B.
  • K PUSCH (i) is a transmission opportunity corresponding to the PDCCH of DCI that schedules DG PUSCH and each PUSCH transmission in repeated transmission of DG PUSCH (in other words, each PUSCH repetition). It is defined on the basis of
  • K PUSCH (i) is from the last symbol of the PDCCH of the DCI that scheduled the DG PUSCH to the symbol before each transmission opportunity corresponding to each PUSCH transmission in repeated transmissions of the DG PUSCH. is the interval between
  • the terminal can appropriately set K PUSCH (i) based on the specified interpretation even when repeated transmission of PUSCH is applied.
  • transmission power control can be performed.
  • power consistency can be applied when DMRS bundling is applied.
  • Proposal 2 (Variation 1 of Proposal 2)
  • Proposal 2 described above may or may not be applied, for example, depending on the capabilities of the terminal and/or the settings on the terminal.
  • Proposal 2 may be applied when the terminal applies DMRS bundling.
  • Proposal 2 may be applied.
  • Proposal 2 may be applied to the terminal if it retains the capabilities specified in Rel-17.
  • the capabilities defined in Rel-17 may be, for example, capabilities related to DMRS bundling.
  • Proposal 2 may be applied to the terminal if the capabilities defined in Rel-17 hold other capabilities that are different from the capabilities related to DMRS bundling.
  • the RRC parameter e.g., PUSCH-DMRS-Bundling
  • the RRC parameter e.g., PUSCH-DMRS-Bundling
  • DMRS bundling and/or PUSCH repetition type A/B or TB processing over multi-slot is applied and PUSCH transmits If so, Proposition 2 may apply.
  • the RRC parameter (eg, PUSCH-DMRS-Bundling) is the option of proposal 2 that is applied when DMRS bundling is set to be applied, and the RRC parameter (eg, PUSCH-DMRS-Bundling) is DMRS bundling
  • the options of Proposition 2, which apply when is not set to apply, may be applied independently of each other.
  • the option of proposal 2 that is applied when the RRC parameter (eg, PUSCH-DMRS-Bundling) is set to apply DMRS bundling is that the RRC parameter (eg, PUSCH-DMRS-Bundling) is set to DMRS bundling may differ from the options in Proposition 2 that apply if is not set to apply.
  • the option of Proposition 2 may apply. Whether the RRC parameter (e.g., PUSCH-DMRS-Bundling) is set to apply DMRS bundling and/or PUSCH is transmitted applying PUSCH repetition type A/B or TB processing over multi-slot. Different options of Proposition 2 may apply depending on whether or not
  • the PUSCH power control adjustment state may be determined based on option 3 of proposal 1.
  • FIG. 14 is a diagram showing an example of Variation 3 of Proposal 2.
  • the horizontal axis of FIG. 14 represents the time axis.
  • FIG. 14 shows transmission opportunities for each of DG PUSCH#1 to DG PUSCH#4, DCI#1, and DCI#2.
  • DCI #1 is a DCI that schedules four PUSCHs.
  • DCI#1 contains the TPC command ⁇ 1
  • DCI#2 contains the TPC command ⁇ 2 .
  • the PUSCH power control adjustment state of PUSCH#1 is DCI# 1 is determined based on the TPC command .delta.1 contained in .delta.1 .
  • the PUSCH power control adjustment states of PUSCH#2 to PUSCH#4 are determined based on the TPC command ⁇ 2 included in DCI#2.
  • Proposal 2 relates to the interpretation of K PUSCH (i) specified for PUSCH, but in Proposal 2-1, the same options as Proposal 2 apply to the interpretation of K PUCCH (i) specified for PUCCH. be done.
  • K PUCCH (i) is defined based on an interpretation similar to Interpretation A of K PUSCH (i).
  • K PUCCH (i) is the PDCCH of DCI that schedules the PDSCH corresponding to the PUCCH of interest, and the first PUCCH transmission in repeated transmission of PUCCH (in other words, the first PUCCH repetition (first PUCCH repetition)), or the target PUCCH may be the scheduled DCI.
  • the PDSCH corresponding to the target PUCCH may be a PDSCH for which association with the target PUCCH is defined (scheduled).
  • the PUCCH corresponding to the PDSCH may be the PUCCH on which the PDSCH acknowledgment (eg, hybrid automatic repeat request-acknowledgment (HARQ-ACK) information) is transmitted.
  • HARQ-ACK hybrid automatic repeat request-acknowledgment
  • K PUCCH (i) is the transmission corresponding to the first PUCCH transmission in repeated transmission of PUCCH from the last symbol of PDCCH of DCI that schedules the PDSCH corresponding to the target PUCCH is the interval between the symbols before the opportunity.
  • K PUCCH (i) is defined based on an interpretation similar to Interpretation B of K PUSCH (i).
  • K PUCCH (i) is the PDCCH of DCI that schedules the PDSCH corresponding to the PUCCH of interest, and each PUCCH transmission in repeated transmission of PUCCH (in other words, each PUCCH repetition ) and the corresponding transmission opportunity.
  • K PUCCH (i) is each transmission corresponding to each PUCCH transmission in repeated transmissions of PUCCH from the last symbol of PDCCH of DCI that schedules the PDSCH corresponding to the PUCCH of interest is the interval between the symbols before the opportunity.
  • Proposal 2-1 (Variation 1 of Proposal 2-1) Proposal 2-1 described above may or may not be applied, for example, depending on the capabilities of the terminal and/or the settings on the terminal.
  • proposal 2-1 may be applied when the terminal applies DMRS bundling.
  • proposal 2-1 may be applied.
  • Proposal 2-1 may be applied to the terminal if it retains the capabilities specified in Rel-17.
  • the capabilities defined in Rel-17 may be, for example, capabilities related to DMRS bundling.
  • proposal 2-1 may be applied to the terminal.
  • Proposition 2-1 may apply.
  • the RRC parameter e.g., PUCCH-DMRS-Bundling
  • PUCCH-DMRS-Bundling is set to apply DMRS bundling, and/or PUCCH is transmitted applying PUCCH repetition type A/B or TB processing over multi-slot If so, Proposition 2-1 may apply.
  • RRC parameters e.g., PUCCH-DMRS-Bundling
  • options of proposal 2-1 applied when DMRS bundling is set to apply and RRC parameters (e.g., PUCCH-DMRS-Bundling) are
  • the option of Proposal 2-1, which applies when DMRS bundling is not set to apply may be applied independently of each other.
  • the option of proposal 2 which is applied when the RRC parameter (eg, PUCCH-DMRS-Bundling) is set to apply DMRS bundling is that the RRC parameter (eg, PUCCH-DMRS-Bundling) is may differ from the options in Proposal 2-1 that apply when is not set to apply.
  • the options of Proposition 2-1 may apply. Whether the RRC parameter (e.g., PUCCH-DMRS-Bundling) is set to apply DMRS bundling and/or PUCCH is transmitted applying PUCCH repetition type A/B or TB processing over multi-slot.
  • the options of Proposition 2-1 that apply may differ depending on whether or not
  • Proposal 2 is applied according to the terminal's ability regarding DMRS bundling and/or the settings regarding DMRS bundling.
  • the TPC command for example, the setting of the TPC reference interval
  • 3GPP is considering the following options (hereinafter referred to as options for consideration).
  • K PUSCH (i) is the number of symbols from the first symbol of the nominal time domain window containing transmission opportunity i to before the first symbol of transmission opportunity i.
  • K PUSCH (i) is used for PUSCH transmission without DMRS bundling.
  • K PUSCH (i) for PUSCH transmission within nominal TDW in case of DMRS bundling is redefined.
  • K PUSCH (i) is the number of symbols before the first symbol of transmission opportunity i from K symbols before the start of the nominal TDW containing transmission opportunity i.
  • the value of K is, for example, the product of the number of symbols per slot N slot symb and the minimum of the value given by the parameter k2 in PUSCH-ConfigCommon for active UL BWP b of carrier f in serving cell c.
  • K is, for example, the product of the number of symbols per slot N slot symb and the minimum of the value given by the parameter k2 in PUSCH-ConfigCommon for active UL BWP b of carrier f in serving cell c.
  • Consideration option 2 Change the set of TPC command values Di. For example, if transmission opportunity i is not the first transmission opportunity in nominal TDW, any TPC command values contained in set Di and received via DCI format 2_2 are cleared and added to set Dj. where j is the index of transmission opportunities that occur after the end of the nominal TDW.
  • K PUSCH (i) is computed from the first symbol of the nominal TDW in which transmission opportunity i is included.
  • FIG. 15 shows an example of K PUSCH (i) in option 1′ of consideration.
  • the horizontal axis of FIG. 15 represents the time axis.
  • FIG. 15 shows CG PUSCH#1 and CG PUSCH#2, nominal TDW including CG PUSCH#1 and CG PUSCH#2, and DCI#1.
  • K PUSCH#1 shown in FIG. 15 is the number of symbols from K symbols before the start of nominal TDW including CG PUSCH#1 to before the first symbol of CG PUSCH#1.
  • K PUSCH#2 is the number of symbols from K symbols before the start of nominal TDW including CG PUSCH#2 to before the first symbol of CG PUSCH#2.
  • ⁇ 1 of DCI#1 is within K PUSCH#1 , so it is not applied to power control in transmission of CG PUSCH#1.
  • option 1 and option 1' of considerations may not be able to refer to the most recent DCI.
  • K PUSCH (i) is calculated from the first symbol of transmission opportunity i, so there is a discrepancy in the calculation of K PUSCH (i).
  • Proposal 3 exemplifies K PUSCH (i) when the terminal applies DMRS bundling.
  • K PUSCH (i) is the interval of transmission opportunity i and the interval of the transmission opportunity of the first repeated transmission contained in the nominal TDW (an example of the time domain window) containing transmission opportunity i. defined based on For example, K PUSCH (i) is defined as the number of symbols from the first symbol of transmission opportunity i to K symbols before the first repetition in the nominal TDW containing transmission opportunity i. The terminal determines K PUSCH (i) based on this definition.
  • the K symbol setting method is not particularly limited.
  • K symbols may be set based on the number of symbols in one slot.
  • K symbols may be set by multiplying the number of symbols in one slot by a specific factor.
  • Specific coefficients may be given by PUSCH-ConfigCommon, for example.
  • a particular factor may be the minimum k2 value given by PUSCH-ConfigCommon.
  • FIG. 16 is a diagram showing an example of Option 1 of Proposal 3-1.
  • the horizontal axis of FIG. 16 represents the time axis.
  • FIG. 16 shows CG PUSCH#1 and CG PUSCH#2, a nominal TDW including CG PUSCH#1 and CG PUSCH#2, and DCI#1.
  • K PUSCH # 1 of option 1 of proposal 3-1 shown in FIG. 16 is the first repeated transmission in nominal TDW containing CG PUSCH # 1 from the first symbol of CG PUSCH # 1 #1) to K symbols before.
  • K PUSCH#2 is from the first symbol of CG PUSCH#2 to K symbols before the first repeated transmission (corresponding to CG PUSCH#1 in FIG. 16) in nominal TDW containing CG PUSCH#2. indicates the number of symbols in .
  • K PUSCH (i) can be set short, so it is possible to follow changes in TPC commands and achieve appropriate transmission power control. .
  • K PUSCH (i) is the interval of transmission opportunity i and the interval of the transmission opportunity of the first repeated transmission contained in the actual TDW (an example of the time domain window) containing transmission opportunity i. defined based on For example, K PUSCH (i) is defined as the number of symbols from the first symbol of transmission opportunity i to K symbols before the first repetition in the actual TDW containing transmission opportunity i. For example, the terminal determines K PUSCH (i) based on this definition.
  • K symbols may be set based on the number of symbols in one slot.
  • K symbols may be set by multiplying the number of symbols in one slot by a specific factor. Specific coefficients may be given by PUSCH-ConfigCommon, for example.
  • K PUSCH (i) can be set short, so changes in TPC commands can be followed, and appropriate transmission power control can be achieved.
  • K PUSCH (i) is the number of symbols from the first symbol of the actual TDW containing transmission opportunity i to before the first symbol of transmission opportunity i.
  • K PUSCH (i) is the legacy definition of K PUSCH (i) for PUSCH transmission without DMRS bundling.
  • K PUSCH (i) for PUSCH transmission in actual TDW in case of DMRS bundling is redefined.
  • K PUSCH (i) is the number of symbols from K symbols before the start of the actual TDW containing transmission opportunity i to before the first symbol of transmission opportunity i.
  • the value of K is, for example, the product of the number of symbols per slot N slot symb and the minimum of the value given by the parameter k2 in PUSCH-ConfigCommon for active UL BWP b of carrier f in serving cell c.
  • K is, for example, the product of the number of symbols per slot N slot symb and the minimum of the value given by the parameter k2 in PUSCH-ConfigCommon for active UL BWP b of carrier f in serving cell c.
  • Option 5 of Proposal 3-1 modifies the set of TPC command values Di. For example, if transmission opportunity i is not the first transmission opportunity in actual TDW, any TPC command values contained in set Di and received via DCI format 2_2 are cleared and added to set Dj. where j is the index of transmission opportunities that occur after the end of the actual TDW.
  • the terminal does not assume a TPC command that changes transmission power in nominal TDW and/or actual TDW.
  • the terminal receives a TPC command whose transmission power changes between the nominal TDW and the actual TDW. It is not necessary to assume that command will be received. Also, the terminal may assume that the transmission power does not change between nominal TDW and/or actual TDW.
  • the terminal ignores TPC commands that change transmission power in nominal TDW and/or actual TDW.
  • the terminal may ignore the TPC command that changes the transmission power between the nominal TDW and the actual TDW, or the terminal ignores the TPC command that changes the transmission power between the nominal TDW and the actual TDW. You may
  • TPC command (or reception of TPC command) occurs within nominal TDW and/or actual TDW, and after actual TDW ends, the next actual TDW is restarted. Whether or not may be determined based on UE capabilities and RRC parameters. This determination may be made by the terminal or by the base station.
  • the UE may determine the PUSCH power control adjustment state according to whether it is PUSCH scheduled by DCI.
  • the case where the PUSCH is not scheduled by DCI is, for example, the case where the PUSCH is set by Configuredgrantconfig.
  • any of Option 1 to Option 9 of Proposal 3-1 may be applied.
  • the terminal is not PUSCH scheduled by DCI, Option 1 to Option 9 of Proposal 3-1 may not be applied.
  • any of Option 1 to Option 9 of Proposal 3-1 may be applied.
  • Option 1 to Option 9 of Proposal 3-1 may not be applied.
  • any of options 1, 1', 2, and 3 of the above considerations may apply.
  • options 1, 1', 2, 3 of the above considerations may not apply if the terminal is not PUSCH scheduled by DCI.
  • any of options 1, 1', 2, 3 of the above considerations may be applied.
  • options 1, 1', 2, 3 of the above considerations may not apply when the terminal is PUSCH scheduled by DCI.
  • K PUCCH (i) is from the first symbol of PUCCH transmission opportunity i to K symbols before the first repetition in the nominal TDW that contains PUCCH transmission opportunity i. defined as the number of symbols in .
  • the K symbol setting method is not particularly limited.
  • K symbols may be set based on the number of symbols in one slot.
  • K symbols may be set by multiplying the number of symbols in one slot by a specific factor.
  • Specific coefficients may be given by PUCCH-ConfigCommon, for example.
  • the specific factor may be the minimum k2 value given by PUCCH-ConfigCommon.
  • K PUCCH (i) is from the first symbol of PUCCH transmission opportunity i to K symbols before the first repetition in the actual TDW that contains PUCCH transmission opportunity i. defined as the number of symbols in .
  • K symbols may be set based on the number of symbols in one slot.
  • K symbols may be set by multiplying the number of symbols in one slot by a specific factor.
  • Specific coefficients may be given by PUCCH-ConfigCommon, for example.
  • the specific factor may be the minimum k2 value given by PUCCH-ConfigCommon.
  • K PUCCH (i) is the number of symbols from the first symbol of the nominal time domain window containing PUCCH transmission opportunity i to before the first symbol of PUCCH transmission opportunity i.
  • K PUCCH (i) is used for PUCCH transmission without DMRS bundling.
  • K PUCCH (i) for PUCCH transmissions in nominal TDW in case of DMRS bundling is redefined.
  • K PUCCH (i) is the number of symbols from K symbols before the start of the nominal TDW containing PUCCH transmission opportunity i to before the first symbol of PUCCH transmission opportunity i.
  • K is, for example, the product of the number of symbols per slot, N slot symb , and the minimum of the value given by the parameter k2 in PUCCH-ConfigCommon for active UL BWP b of carrier f in serving cell c.
  • K PUCCH,min symbols may be the number of K PUCCH,min symbols equal to .
  • Option 5 of Proposal 3-3 modifies the set of TPC command values Di (see equation (1)). For example, if PUCCH transmission opportunity i is not the first PUCCH transmission opportunity in nominal TDW, any TPC command values included in set Di and received via DCI format 2_2 are cleared and added to set Dj. . where j is the index of PUCCH transmission opportunities that occur after the end of nominal TDW.
  • Option 6 of Proposal 3-3 modifies the behavior for accumulating TPC command values.
  • PUCCH transmission opportunity i occurring within nominal TDW
  • PUCCH transmission opportunity i1 corresponds to the first PUCCH transmission opportunity within nominal TDW.
  • f i f i1 + ⁇ i for PUCCH transmission opportunity i occurring after nominal TDW.
  • ⁇ i is the TPC command value in effect between the first symbol of the nominal TDW before the nominal TDW of interest and the PUCCH transmission opportunity i of interest.
  • K PUCCH (i) is the number of symbols from the first symbol of actualTDW containing PUCCH transmission opportunity i to before the first symbol of PUCCH transmission opportunity i.
  • K PUCCH (i) is used for PUCCH transmission without DMRS bundling.
  • K PUCCH (i) for PUCCH transmission in actual TDW in case of DMRS bundling is redefined.
  • K PUCCH (i) is the number of symbols from K symbols before the start of the actual TDW containing PUCCH transmission opportunity i to before the first symbol of PUCCH transmission opportunity i.
  • K is, for example, the product of the number of symbols per slot, N slot symb , and the minimum of the value given by the parameter k2 in PUCCH-ConfigCommon for active UL BWP b of carrier f in serving cell c.
  • K PUCCH,min symbols may be the number of K PUCCH,min symbols equal to .
  • Option 9 of Proposal 3-3 modifies the set of TPC command values Di. For example, if PUCCH transmission opportunity i is not the first PUCCH transmission opportunity in actual TDW, any TPC command values contained in set Di and received via DCI format 2_2 are cleared and added to set Dj. . where j is the index of PUCCH transmission opportunities that occur after the end of the actual TDW.
  • the PUCCH transmission opportunity i1 corresponds to the first PUCCH transmission opportunity within the actual TDW.
  • f i f i1 + ⁇ i .
  • ⁇ i is the TPC command value in effect between the first symbol of the actual TDW before the target actual TDW and the target PUCCH transmission opportunity i.
  • the terminal may determine the PUCCH power control adjustment state according to whether the PUCCH is scheduled by DCI. Note that the case where the PUCCH is not scheduled by DCI is, for example, the case where the PUCCH is configured in Configuredgrantconfig.
  • any of Option 1 to Option 10 of Proposal 3-3 may be applied.
  • the terminal is not PUCCH scheduled by DCI, Options 1 to 10 of Proposal 3-3 may not be applied.
  • any of Option 1 to Option 10 of Proposal 3-3 may be applied.
  • Option 1 to Option 10 of Proposal 3-1 may not be applied.
  • information related to transmission power control including K PUSCH (i) can be set appropriately when performing coverage extension using DMRS bundling, so transmission power control can be performed appropriately.
  • the proposals, options, and variations to be applied may be determined based on the following method.
  • Decision methods based on higher layer information eg RRC parameters.
  • Decision methods based on MAC layer information eg MAC CE
  • physical layer information eg DCI
  • ⁇ Determination method based on the method described in the specification.
  • ⁇ Decision method based on whether the conditions described in the specification are met.
  • the terminal determines the proposals, options, and variations to be applied from among the proposals, the options included in each proposal, and the variations included in each proposal, by the above-described method, and determines the determined contents Control may be performed based on
  • the terminal each proposal described above, the options included in each proposal, and the terminal capabilities associated with the variations included in each proposal, information on the capabilities of the terminal (e.g., UE capability) may be reported as .
  • the terminal may perform control based on the capability of the terminal, and the base station may determine information (control information) to be transmitted to the terminal based on the capability of the terminal.
  • each proposal Applicability of each proposal Applicability of options of each proposal - Applicability of combination of options of each proposal - Applicability of alternatives of each proposal - Applicability of alternative combinations of each proposal -
  • Each proposal Applicability of variation of each ⁇ Applicability of combination of each proposed variation ⁇ Report of maximum duration ⁇ Applicability of DMRS bundling for each PUSCH repetition type A, type B, TBoMS, PUCCH ⁇ Applicability of DMRS bundling to non back-to-back PUSCH / PUCCH ⁇ Applicability of Enhanced inter-slot frequency hopping (FH)
  • the information to be reported may be reported for each frequency (or frequency band) supported by the terminal.
  • the terminal may collectively report the applicability for all frequencies. In other words, regardless of the frequency, the terminals may collectively report whether or not each content described above is applicable.
  • the terminal may report whether or not the above-described content can be applied for each frequency (or frequency band) that the terminal supports. In other words, the terminal reports whether the above-described content is applicable on the first frequency, and reports whether the above-described content is applicable on a second frequency different from the first frequency. . Illustratively, the terminal may report that Proposition 1 is applicable on the first frequency and Proposition 2 is not applicable on the second frequency.
  • the terminal may report whether or not the above-described content is applicable to each of FR1 and FR2.
  • the terminal may report applicability of the above-described content to each of FR1, FR2-1, and FR2-2.
  • the terminal may report whether the above-described content is applicable to the licensed band and the unlicensed band, respectively.
  • the terminal may report whether the above-described content can be applied to each of the unlicensed band, the Non Terrestrial Network (NTN) band, and the band different from the unlicensed band and different from the NTN band. .
  • NTN Non Terrestrial Network
  • the terminal may report whether the above-described content is applicable to frequencies that are in the NTN band and frequencies that are not in the NTN band.
  • the terminal may report whether the above contents can be applied for each SCS.
  • the terminal may report in the following format for the duplexing scheme that the terminal supports (for example, Frequency Division Duplex (FDD) and Time Division Duplex (TDD)).
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • the terminal collectively reports the applicability of the above contents to all duplex methods.
  • the terminal may report whether or not the above content is applicable for each duplex method. For example, the terminal may report that Proposition 1 is applicable in TDD and Proposition 2 is not applicable in FDD.
  • the gNB 100 and the UE 200 contain functionality that implements the embodiments described above. However, the gNB 100 and the UE 200 may each have only part of the functions in the example.
  • FIG. 17 is a diagram showing an example of the functional configuration of the gNB 100. As shown in FIG. As shown in FIG. 17, the gNB 100 has a receiving section 101, a transmitting section 102 and a control section 103.
  • the functional configuration shown in FIG. 17 is merely an example. As long as the operation according to the embodiment of the present invention can be performed, the functional division and the names of the functional units may be arbitrary.
  • the receiving unit 101 includes a function of receiving various signals transmitted from the UE 200 and acquiring, for example, higher layer information from the received signals.
  • the transmission unit 102 includes a function of generating a signal to be transmitted to the UE 200 and transmitting the signal by wire or wirelessly.
  • the control unit 103 stores preset setting information and various setting information to be transmitted to the UE 200 in the storage device, and reads them from the storage device as necessary. Also, the control unit 103 executes processing related to communication with the UE 200 .
  • a functional unit related to signal transmission in control unit 103 may be included in transmitting unit 102
  • a functional unit related to signal reception in control unit 103 may be included in receiving unit 101 .
  • FIG. 18 is a diagram showing an example of the functional configuration of the UE200.
  • UE 200 has transmitter 201 , receiver 202 and controller 203 .
  • the functional configuration shown in FIG. 18 is merely an example. As long as the operation according to the embodiment of the present invention can be performed, the functional division and the names of the functional units may be arbitrary.
  • the transmission unit 201 creates a transmission signal from the transmission data and wirelessly transmits the transmission signal.
  • the receiving unit 202 wirelessly receives various signals and acquires a higher layer signal from the received physical layer signal. Also, the receiving unit 202 has a function of receiving NR-PSS, NR-SSS, NR-PBCH, DL/UL control signals, reference signals, or the like transmitted from the gNB 100 .
  • the control unit 203 stores various setting information received from the gNB 100 by the receiving unit 202 in the storage device, and reads them from the storage device as necessary. Also, the control unit 203 executes processing related to communication with the gNB 100 .
  • a functional unit related to signal transmission in control unit 203 may be included in transmitting unit 201
  • a functional unit related to signal reception in control unit 203 may be included in receiving unit 202 .
  • each functional block may be implemented using one device physically or logically coupled, or directly or indirectly using two or more physically or logically separated devices (e.g. , wired, wireless, etc.) and may be implemented using these multiple devices.
  • a functional block may be implemented by combining software in the one device or the plurality of devices.
  • Functions include judging, determining, determining, calculating, calculating, processing, deriving, examining, searching, checking, receiving, transmitting, outputting, accessing, resolving, selecting, choosing, establishing, comparing, assuming, expecting, assuming, Broadcasting, notifying, communicating, forwarding, configuring, reconfiguring, allocating, mapping, assigning, etc.
  • a functional block (component) that performs transmission is called a transmitting unit or transmitter. In either case, as described above, the implementation method is not particularly limited.
  • the gNB 100 and the UE 200 may function as computers that perform processing of the wireless communication method of the present disclosure.
  • FIG. 19 is a diagram illustrating an example of a hardware configuration of gNB 100 and UE 200 according to an embodiment of the present disclosure.
  • the gNB 100 and UE 200 described above may be physically configured as a computer device including a processor 1001, a memory 1002, a storage 1003, a communication device 1004, an input device 1005, an output device 1006, a bus 1007, and the like.
  • the term "apparatus” can be read as a circuit, device, unit, or the like.
  • the hardware configuration of the gNB 100 and the UE 200 may be configured to include one or more of each device shown in FIG. 8, or may be configured without some devices.
  • Each function in the gNB 100 and the UE 200 is performed by the processor 1001 by loading predetermined software (program) on hardware such as the processor 1001 and the memory 1002, the processor 1001 performs calculations, the communication by the communication device 1004 is controlled, and the memory 1002 and by controlling at least one of reading and writing of data in the storage 1003 .
  • predetermined software program
  • the processor 1001 for example, operates an operating system and controls the entire computer.
  • the processor 1001 may be configured by a central processing unit (CPU) including an interface with peripheral devices, a control device, an arithmetic device, registers, and the like.
  • CPU central processing unit
  • the control units 103 and 203 described above may be implemented by the processor 1001 .
  • the processor 1001 reads programs (program codes), software modules, data, etc. from at least one of the storage 1003 and the communication device 1004 to the memory 1002, and executes various processes according to them.
  • programs program codes
  • software modules software modules
  • data etc.
  • the program a program that causes a computer to execute at least part of the operations described in the above embodiments is used.
  • the control units 103 and 203 of the gNB 100 and the UE 200 may be stored in the memory 1002 and implemented by a control program running on the processor 1001, and other functional blocks may be similarly implemented.
  • FIG. Processor 1001 may be implemented by one or more chips.
  • the program may be transmitted from a network via an electric communication line.
  • the memory 1002 is a computer-readable recording medium, and is composed of at least one of, for example, ROM (Read Only Memory), EPROM (Erasable Programmable ROM), EEPROM (Electrically Erasable Programmable ROM), RAM (Random Access Memory), etc. may be
  • ROM Read Only Memory
  • EPROM Erasable Programmable ROM
  • EEPROM Electrical Erasable Programmable ROM
  • RAM Random Access Memory
  • the memory 1002 may also be called a register, cache, main memory (main storage device), or the like.
  • the memory 1002 can store executable programs (program code), software modules, etc. for implementing a wireless communication method according to an embodiment of the present disclosure.
  • the storage 1003 is a computer-readable recording medium, for example, an optical disc such as a CD-ROM (Compact Disc ROM), a hard disk drive, a flexible disc, a magneto-optical disc (for example, a compact disc, a digital versatile disc, a Blu-ray disk), smart card, flash memory (eg, card, stick, key drive), floppy disk, magnetic strip, and/or the like.
  • Storage 1003 may also be called an auxiliary storage device.
  • the storage medium described above may be, for example, a database, server, or other suitable medium including at least one of memory 1002 and storage 1003 .
  • the communication device 1004 is hardware (transmitting/receiving device) for communicating between computers via at least one of a wired network and a wireless network, and is also called a network device, a network controller, a network card, a communication module, or the like.
  • the communication device 1004 includes a high-frequency switch, a duplexer, a filter, a frequency synthesizer, etc., in order to realize at least one of frequency division duplex (FDD) and time division duplex (TDD). may consist of For example, antennas included in gNB 100 and UE 200 may be implemented by communication device 1004 .
  • the input device 1005 is an input device (for example, keyboard, mouse, microphone, switch, button, sensor, etc.) that receives input from the outside.
  • the output device 1006 is an output device (for example, display, speaker, LED lamp, etc.) that outputs to the outside. Note that the input device 1005 and the output device 1006 may be integrated (for example, a touch panel).
  • Each device such as the processor 1001 and the memory 1002 is connected by a bus 1007 for communicating information.
  • the bus 1007 may be configured using a single bus, or may be configured using different buses between devices.
  • Each device such as the processor 1001 and the memory 1002 is connected by a bus 1007 for communicating information.
  • the bus 1007 may be configured using a single bus, or may be configured using different buses between devices.
  • Devices such as the processor 1001 and the memory 1002 are connected by a bus 1007 for communicating information.
  • the bus 1007 may be configured using a single bus, or may be configured using different buses between devices.
  • a vehicle 2001 includes a drive unit 2002, a steering unit 2003, an accelerator pedal 2004, a brake pedal 2005, a shift lever 2006, front wheels 2007, rear wheels 2008, an axle 2009, an electronic control unit 2010, various sensors 2021 to 2029. , an information service unit 2012 and a communication module 2013 .
  • a communication device mounted on vehicle 2001 may be applied to communication module 2013, for example.
  • the driving unit 2002 is configured by, for example, an engine, a motor, or a hybrid of the engine and the motor.
  • the steering unit 2003 includes at least a steering wheel (also referred to as steering wheel), and is configured to steer at least one of the front wheels and the rear wheels based on the operation of the steering wheel operated by the user.
  • the electronic control unit 2010 is composed of a microprocessor 2031 , a memory (ROM, RAM) 2032 and a communication port (IO port) 2033 . Signals from various sensors 2021 to 2029 provided in the vehicle 2001 are input to the electronic control unit 2010 .
  • the electronic control unit 2010 may also be called an ECU (Electronic Control Unit).
  • the signals from the various sensors 2021 to 2029 include the current signal from the current sensor 2021 that senses the current of the motor, the rotation speed signal of the front and rear wheels acquired by the rotation speed sensor 2022, and the front wheel acquired by the air pressure sensor 2023. and rear wheel air pressure signal, vehicle speed signal obtained by vehicle speed sensor 2024, acceleration signal obtained by acceleration sensor 2025, accelerator pedal depression amount signal obtained by accelerator pedal sensor 2029, brake pedal sensor 2026 obtained by There are a brake pedal depression amount signal, a shift lever operation signal acquired by the shift lever sensor 2027, and a detection signal for detecting obstacles, vehicles, pedestrians, etc. acquired by the object detection sensor 2028, and the like.
  • the information service unit 2012 includes various devices such as car navigation systems, audio systems, speakers, televisions, and radios for providing various types of information such as driving information, traffic information, and entertainment information, and one or more devices for controlling these devices. ECU.
  • the information service unit 2012 uses information acquired from an external device via the communication module 2013 or the like to provide passengers of the vehicle 2001 with various multimedia information and multimedia services.
  • Driving support system unit 2030 includes millimeter wave radar, LiDAR (Light Detection and Ranging), camera, positioning locator (e.g., GNSS, etc.), map information (e.g., high-definition (HD) map, automatic driving vehicle (AV) map, etc. ), gyro systems (e.g., IMU (Inertial Measurement Unit), INS (Inertial Navigation System), etc.), AI (Artificial Intelligence) chips, AI processors, etc., to prevent accidents and reduce the driver's driving load. and one or more ECUs for controlling these devices.
  • the driving support system unit 2030 transmits and receives various information via the communication module 2013, and realizes a driving support function or an automatic driving function.
  • the communication module 2013 can communicate with the microprocessor 2031 and components of the vehicle 2001 via communication ports.
  • the communication module 2013 communicates with the vehicle 2001 through the communication port 2033, the drive unit 2002, the steering unit 2003, the accelerator pedal 2004, the brake pedal 2005, the shift lever 2006, the front wheels 2007, the rear wheels 2008, the axle 2009, the electronic Data is transmitted and received between the microprocessor 2031 and memory (ROM, RAM) 2032 in the control unit 2010 and the sensors 2021-29.
  • the communication module 2013 is a communication device that can be controlled by the microprocessor 2031 of the electronic control unit 2010 and can communicate with an external device. For example, it transmits and receives various information to and from an external device via wireless communication.
  • Communication module 2013 may be internal or external to electronic control unit 2010 .
  • the external device may be, for example, a base station, a mobile station, or the like.
  • the communication module 2013 transmits the current signal from the current sensor input to the electronic control unit 2010 to an external device via wireless communication.
  • the communication module 2013 receives the rotation speed signal of the front and rear wheels obtained by the rotation speed sensor 2022, the air pressure signal of the front and rear wheels obtained by the air pressure sensor 2023, and the vehicle speed sensor. 2024, an acceleration signal obtained by an acceleration sensor 2025, an accelerator pedal depression amount signal obtained by an accelerator pedal sensor 2029, a brake pedal depression amount signal obtained by a brake pedal sensor 2026, and a shift lever.
  • a shift lever operation signal obtained by the sensor 2027 and a detection signal for detecting obstacles, vehicles, pedestrians, etc. obtained by the object detection sensor 2028 are also transmitted to an external device via wireless communication.
  • the communication module 2013 receives various information (traffic information, signal information, inter-vehicle information, etc.) transmitted from external devices, and displays it on the information service unit 2012 provided in the vehicle 2001 .
  • Communication module 2013 also stores various information received from external devices in memory 2032 available to microprocessor 2031 .
  • the microprocessor 2031 controls the drive unit 2002, the steering unit 2003, the accelerator pedal 2004, the brake pedal 2005, the shift lever 2006, the front wheels 2007, the rear wheels 2008, and the axle 2009 provided in the vehicle 2001.
  • sensors 2021 to 2029 and the like may be controlled.
  • the transmission power of the first transmission opportunity is controlled based on the first information regarding transmission power control acquired prior to the first transmission opportunity.
  • a terminal is provided having a controller and a transmitter for transmitting an uplink signal in the first transmission opportunity with the transmit power.
  • an appropriate PUSCH power control adjustment state can be determined in transmission power control for the first transmission opportunity (eg, PUSCH transmission opportunity), and appropriate transmission power control can be achieved.
  • control unit controls the transmission power of the first transmission opportunity based on the first information included in control information for scheduling the first transmission opportunity.
  • the transmission power control of the first transmission opportunity for example, PUSCH transmission opportunity
  • an appropriate PUSCH power control adjustment state can be determined and appropriate transmission power control can be achieved.
  • the control unit performs the transmission of the first transmission opportunity based on the first information obtained before k symbols before the first transmission opportunity. Power is controlled, and k is an integer equal to or greater than 0 and is a value defined according to the first transmission opportunity. According to this embodiment, even if the terminal has not received a TPC command that can be referred to, it can be set in the same manner as the previously set PUSCH power control adjustment state, so appropriate transmission power control can be achieved.
  • control unit transmits second information related to power control used for controlling transmission power of a second transmission opportunity prior to the first transmission opportunity to the first transmission opportunity.
  • Set to information it is possible to dynamically change the PUSCH power control adjustment state, so appropriate power control can be performed according to changes in the communication environment and the like. Appropriate power control can also be performed from the viewpoint of latency.
  • the control unit when bundling of a reference signal included in the uplink signal is applied, the control unit performs to control the transmit power of the first transmission opportunity. According to this embodiment, it is possible to clarify the behavior of TPC commands for terminals that support DMRS bundling.
  • the transmission power of the first transmission opportunity is controlled based on first information related to transmission power control acquired before the first transmission opportunity, and the transmission power , a wireless communication method for transmitting an uplink signal in said first transmission opportunity.
  • an appropriate PUSCH power control adjustment state can be determined in transmission power control for the first transmission opportunity (eg, PUSCH transmission opportunity), and appropriate transmission power control can be achieved.
  • a receiving unit that receives downlink control information; a first interval defined by a transmission opportunity interval, or a second interval defined by the downlink control channel interval and each interval of a plurality of transmission opportunities of the repeated transmission; 3, and controls the transmission power of each of the plurality of transmission opportunities of the repeated transmission based on the information related to the transmission power control received in the reception interval defined by the third interval; is provided.
  • the terminal can appropriately set the third interval (for example, K PUSCH (i)) based on the specified interpretation even when repeated transmission of PUSCH is applied. , suitable transmission power control can be performed.
  • the first interval is an interval from the last symbol of the downlink control channel interval to the preceding symbol of the first transmission opportunity interval
  • the second An interval is an interval from the last symbol of an interval of the downlink control channel to the symbol before each interval of the plurality of transmission opportunities.
  • the control unit when reference signal bundling is applied in the transmission opportunity, sets the third interval to either the first interval or the second interval. or According to this embodiment, it is possible to clarify the behavior of TPC commands (for example, setting of TPC reference intervals) for terminals that support DMRS bundling.
  • the control unit when the bundling of the demodulation reference signal is applied in the transmission opportunity and a specific method is set for the repeated transmission, the control unit performs the Either the first interval or the second interval is set. According to this embodiment, it is possible to clarify the behavior of TPC commands (for example, setting of TPC reference intervals) for terminals that support DMRS bundling.
  • the control unit when the bundling of the demodulation reference signal is applied in the transmission opportunity, the control unit adds the first interval or the second interval to the third interval. is set, and if the bundling of the demodulation reference signal is not applied in the transmission opportunity, the other of the first interval or the second interval is set to the third interval.
  • TPC commands for example, setting of TPC reference intervals
  • downlink control information is received in a downlink control channel, and the interval of the downlink control channel and the first transmission opportunity of repeated transmission scheduled by the downlink control information or a second interval defined by the interval of the downlink control channel and the interval of each of the plurality of transmission opportunities of the repeated transmission. and controlling the transmission power of each of the plurality of transmission opportunities of the repeated transmission based on the information about the transmission power control received in the reception interval defined by the first interval. be done.
  • the terminal can appropriately set the third interval (for example, K PUSCH (i)) based on the specified interpretation even when repeated transmission of PUSCH is applied. , suitable transmission power control can be performed.
  • the first interval (for example, K PUSCH (i)) can be set short, so that changes in TPC commands can be followed, and appropriate transmission power control can be realized.
  • the control unit adjusts the first interval from the first symbol of the first transmission opportunity to the first transmission opportunity of the first repeated transmission included in the time domain window. symbol to k symbols before.
  • the first interval (for example, K PUSCH (i)) can be set short, so that changes in TPC commands can be followed, and appropriate transmission power control can be achieved.
  • the time domain window is either a nominal time domain window or an actual time domain window.
  • the first transmission opportunity is either an uplink shared channel or an uplink control channel.
  • the first interval for example, K PUSCH (i)
  • the first interval can be set short, so that changes in TPC commands can be followed. It is possible to achieve appropriate transmission power control.
  • the control unit determines different said first intervals depending on how the first transmission opportunity is scheduled.
  • the first interval for example, K PUSCH (i)
  • the first interval can be set short, so that it is possible to follow changes in TPC commands and achieve appropriate transmission power control.
  • a first and controlling the transmission power of the first transmission opportunity based on information related to transmission power control received in the reception interval defined by the first interval, wherein the transmission power determines the first A wireless communication method is provided for transmitting uplink signals in transmission opportunities.
  • the first interval (for example, K PUSCH (i)) can be set short, so that changes in TPC commands can be followed, and appropriate transmission power control can be realized.
  • the operations of a plurality of functional units may be physically performed by one component, or the operations of one functional unit may be physically performed by a plurality of components.
  • the processing order may be changed as long as there is no contradiction.
  • the gNB 100 and the UE 200 have been described using functional block diagrams for convenience of process description, such devices may be implemented in hardware, software, or a combination thereof.
  • the software operated by the processor of the gNB 100 according to the embodiment of the present invention and the software operated by the processor of the UE 200 according to the embodiment of the present invention are respectively random access memory (RAM), flash memory, read-only memory (ROM) , EPROM, EEPROM, register, hard disk (HDD), removable disk, CD-ROM, database, server, or any other appropriate storage medium.
  • RAM random access memory
  • ROM read-only memory
  • EPROM EPROM
  • EEPROM electrically erasable programmable read-only memory
  • register hard disk
  • removable disk CD-ROM
  • database database
  • server or any other appropriate storage medium.
  • notification of information includes physical layer signaling (e.g., DCI (Downlink Control Information), UCI (Uplink Control Information)), higher layer signaling (e.g., RRC (Radio Resource Control) signaling, MAC (Medium Access Control) signaling, It may be implemented by broadcast information (MIB (Master Information Block), SIB (System Information Block)), other signals, or a combination thereof.
  • RRC signaling may also be called an RRC message, and may be, for example, an RRC connection setup message, an RRC connection reconfiguration message, or the like.
  • Each aspect/embodiment described in the present disclosure includes LTE (Long Term Evolution), LTE-A (LTE-Advanced), SUPER 3G, IMT-Advanced, 4G (4th generation mobile communication system), 5G (5th generation mobile communication system), FRA (Future Radio Access), NR (New Radio), W-CDMA (registered trademark), GSM (registered trademark), CDMA2000, UMB (Ultra Mobile Broadband), IEEE 802.11 (Wi-Fi (registered trademark) )), IEEE 802.16 (WiMAX®), IEEE 802.20, UWB (Ultra-WideBand), Bluetooth®, other suitable systems, and extended It may be applied to at least one of the next generation systems. Also, a plurality of systems may be applied in combination (for example, a combination of at least one of LTE and LTE-A and 5G, etc.).
  • Certain operations identified in this disclosure as being performed by an IAB node may also be performed by its upper node in some cases.
  • various operations performed for communication with a terminal may be performed by the IAB node and other network nodes other than the IAB node (e.g. MME or S-GW, etc. (including but not limited to).
  • MME or S-GW network nodes
  • the above example illustrates the case where there is one network node other than the IAB node, it may be a combination of a plurality of other network nodes (for example, MME and S-GW).
  • (input/output direction) Information and the like can be output from the upper layer (or lower layer) to the lower layer (or higher layer). It may be input and output via multiple network nodes.
  • Input/output information and the like may be stored in a specific location (for example, memory), or may be managed using a management table. Input/output information and the like can be overwritten, updated, or appended. The output information and the like may be deleted. The entered information and the like may be transmitted to another device.
  • the determination may be made by a value represented by one bit (0 or 1), by a true/false value (Boolean: true or false), or by numerical comparison (for example, a predetermined value).
  • Software whether referred to as software, firmware, middleware, microcode, hardware description language or otherwise, includes instructions, instruction sets, code, code segments, program code, programs, subprograms, and software modules. , applications, software applications, software packages, routines, subroutines, objects, executables, threads of execution, procedures, functions, and the like.
  • software, instructions, information, etc. may be transmitted and received via a transmission medium.
  • the software uses at least one of wired technology (coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL), etc.) and wireless technology (infrared, microwave, etc.) to website, Wired and/or wireless technologies are included within the definition of transmission medium when sent from a server or other remote source.
  • wired technology coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL), etc.
  • wireless technology infrared, microwave, etc.
  • Information, signal Information, signals, etc. described in this disclosure may be represented using any of a variety of different technologies.
  • data, instructions, commands, information, signals, bits, symbols, chips, etc. may refer to voltages, currents, electromagnetic waves, magnetic fields or magnetic particles, light fields or photons, or any of these. may be represented by a combination of
  • the channel and/or symbols may be signaling.
  • a signal may also be a message.
  • a component carrier may also be called a carrier frequency, a cell, a frequency carrier, or the like.
  • system As used in this disclosure, the terms “system” and “network” are used interchangeably.
  • radio resources may be indexed.
  • an IAB node has the functionality of a base station.
  • Base Station (BS)", “radio base station”, “fixed station”, “NodeB”, “eNodeB (eNB)”, “gNodeB (gNB)”, “access point”)”,”transmissionpoint”,”receptionpoint”,”transmission/receptionpoint”,”cell”,”sector”,"cellgroup”,”carrier”
  • Terms such as “component carrier” may be used interchangeably.
  • a base station may also be referred to by terms such as macrocell, small cell, femtocell, picocell, and the like.
  • a base station can accommodate one or more (eg, three) cells.
  • the overall coverage area of the base station can be partitioned into multiple smaller areas, each smaller area being a base station subsystem (e.g., an indoor small base station (RRH: Communication services can also be provided by Remote Radio Head)).
  • RRH indoor small base station
  • the terms "cell” or “sector” refer to part or all of the coverage area of at least one of the base stations and base station subsystems that serve communication within such coverage.
  • terminal In this disclosure, terms such as “Mobile Station (MS),” “user terminal,” “User Equipment (UE),” “terminal,” etc. may be used interchangeably. .
  • a mobile station is defined by those skilled in the art as subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, mobile terminal, wireless It may also be called a terminal, remote terminal, handset, user agent, mobile client, client, or some other suitable term.
  • At least one of a base station and a mobile station may be called a transmitter, a receiver, a communication device, and the like. At least one of the base station and the mobile station may be a device mounted on a mobile object, the mobile object itself, or the like.
  • the mobile object may be a vehicle (e.g., car, airplane, etc.), an unmanned mobile object (e.g., drone, self-driving car, etc.), or a robot (manned or unmanned ).
  • at least one of the base station and the mobile station includes devices that do not necessarily move during communication operations.
  • at least one of the base station and the mobile station may be an IoT (Internet of Things) device such as a sensor.
  • IoT Internet of Things
  • the base station in the present disclosure may be read as a mobile station (user terminal).
  • communication between a base station and a mobile station is replaced with communication between a plurality of mobile stations (for example, D2D (Device-to-Device), V2X (Vehicle-to-Everything), etc.)
  • a mobile station may have the functions of the base station described above.
  • words such as "up” and “down” may be replaced with words corresponding to inter-terminal communication (for example, "side”).
  • uplink channels, downlink channels, etc. may be read as side channels.
  • mobile stations in the present disclosure may be read as base stations.
  • the base station may have the functions that the mobile station has.
  • determining may encompass a wide variety of actions.
  • “Judgement”, “determining” are, for example, judging, calculating, computing, processing, deriving, investigating, looking up, searching, inquiring (eg, lookup in a table, database, or other data structure);
  • "judgment” and “determination” are used for receiving (e.g., receiving information), transmitting (e.g., transmitting information), input, output, access (accessing) (for example, accessing data in memory) may include deeming that a "judgment” or “decision” has been made.
  • judgment and “decision” are considered to be “judgment” and “decision” by resolving, selecting, choosing, establishing, comparing, etc. can contain.
  • judgment and “decision” may include considering that some action is “judgment” and “decision”.
  • judgment (decision) may be read as “assuming”, “expecting”, “considering”, or the like.
  • connection means any direct or indirect connection or coupling between two or more elements, It can include the presence of one or more intermediate elements between two elements being “connected” or “coupled.” Couplings or connections between elements may be physical, logical, or a combination thereof. For example, “connection” may be read as "access”.
  • two elements are defined using at least one of one or more wires, cables, and printed electrical connections and, as some non-limiting and non-exhaustive examples, in the radio frequency domain. , electromagnetic energy having wavelengths in the microwave and optical (both visible and invisible) regions, and the like.
  • the reference signal may be abbreviated as RS (Reference Signal), or may be referred to as Pilot according to the applicable standard.
  • a radio frame may consist of one or more frames in the time domain. Each frame or frames in the time domain may be referred to as a subframe. A subframe may also consist of one or more slots in the time domain. A subframe may be a fixed time length (eg, 1 ms) independent of numerology.
  • a numerology may be a communication parameter that applies to the transmission and/or reception of a signal or channel. Numerology, for example, subcarrier spacing (SCS), bandwidth, symbol length, cyclic prefix length, transmission time interval (TTI), number of symbols per TTI, radio frame configuration, transmission and reception specific filtering operations performed by the receiver in the frequency domain, specific windowing operations performed by the transceiver in the time domain, and/or the like.
  • SCS subcarrier spacing
  • TTI transmission time interval
  • radio frame configuration for example, transmission and reception specific filtering operations performed by the receiver in the frequency domain, specific windowing operations performed by the transceiver in the time domain, and/or the like.
  • a slot may consist of one or more symbols (OFDM (Orthogonal Frequency Division Multiplexing) symbol, SC-FDMA (Single Carrier Frequency Division Multiple Access) symbol, etc.) in the time domain.
  • a slot may be a unit of time based on numerology.
  • a slot may contain multiple mini-slots. Each minislot may consist of one or more symbols in the time domain. A minislot may also be referred to as a subslot. A minislot may consist of fewer symbols than a slot.
  • PDSCH (or PUSCH) transmitted in time units larger than minislots may be referred to as PDSCH (or PUSCH) mapping type A.
  • PDSCH (or PUSCH) transmitted using minislots may be referred to as PDSCH (or PUSCH) mapping type B.
  • Radio frames, subframes, slots, minislots and symbols all represent time units when transmitting signals. Radio frames, subframes, slots, minislots and symbols may be referred to by other corresponding designations.
  • one subframe may be called a Transmission Time Interval (TTI)
  • TTI Transmission Time Interval
  • TTI Transmission Time Interval
  • TTI Transmission Time Interval
  • one slot or one minislot may be called a TTI.
  • TTI Transmission Time Interval
  • at least one of the subframe and TTI may be a subframe (1 ms) in existing LTE, a period shorter than 1 ms (eg, 1-13 symbols), or a period longer than 1 ms may be Note that the unit representing the TTI may be called a slot, mini-slot, or the like instead of a subframe.
  • TTI refers to, for example, the minimum scheduling time unit in wireless communication.
  • an IAB node performs scheduling to allocate radio resources (frequency bandwidth, transmission power, etc. that can be used by each user terminal) to each user terminal on a TTI basis. Note that the definition of TTI is not limited to this.
  • a TTI may be a transmission time unit such as a channel-encoded data packet (transport block), code block, or codeword, or may be a processing unit such as scheduling and link adaptation. Note that when a TTI is given, the time interval (for example, the number of symbols) in which transport blocks, code blocks, codewords, etc. are actually mapped may be shorter than the TTI.
  • one or more TTIs may be the minimum scheduling time unit. Also, the number of slots (the number of mini-slots) constituting the minimum time unit of the scheduling may be controlled.
  • a TTI having a time length of 1 ms may be called a normal TTI (TTI in LTE Rel. 8-12), normal TTI, long TTI, normal subframe, normal subframe, long subframe, slot, or the like.
  • a TTI that is shorter than a normal TTI may be called a shortened TTI, a short TTI, a partial or fractional TTI, a shortened subframe, a short subframe, a minislot, a subslot, a slot, and the like.
  • the long TTI (e.g., normal TTI, subframe, etc.) may be replaced with a TTI having a time length exceeding 1 ms
  • the short TTI e.g., shortened TTI, etc.
  • a TTI having the above TTI length may be read instead.
  • a resource block is a resource allocation unit in the time domain and the frequency domain, and may include one or more consecutive subcarriers in the frequency domain.
  • the number of subcarriers included in the RB may be the same regardless of the neumerology, eg twelve.
  • the number of subcarriers included in an RB may be determined based on neumerology.
  • the time domain of an RB may include one or more symbols and may be 1 slot, 1 minislot, 1 subframe, or 1 TTI long.
  • One TTI, one subframe, etc. may each consist of one or more resource blocks.
  • One or more RBs are physical resource blocks (PRBs), sub-carrier groups (SCGs), resource element groups (REGs), PRB pairs, RB pairs, etc. may be called.
  • PRBs physical resource blocks
  • SCGs sub-carrier groups
  • REGs resource element groups
  • PRB pairs RB pairs, etc. may be called.
  • a resource block may be composed of one or more resource elements (RE: Resource Element).
  • RE Resource Element
  • 1 RE may be a radio resource region of 1 subcarrier and 1 symbol.
  • a bandwidth part (which may also be called a bandwidth part) represents a subset of contiguous common resource blocks (RBs) for a certain numerology in a certain carrier. good.
  • the common RB may be identified by an RB index based on the common reference point of the carrier.
  • PRBs may be defined in a BWP and numbered within that BWP.
  • the BWP may include a BWP for UL (UL BWP) and a BWP for DL (DL BWP).
  • UL BWP UL BWP
  • DL BWP DL BWP
  • One or more BWPs may be configured in one carrier for a terminal.
  • At least one of the configured BWPs may be active, and the terminal may not expect to transmit or receive a given signal/channel outside the active BWP.
  • “cell”, “carrier”, etc. in the present disclosure may be read as "BWP”.
  • radio frames, subframes, slots, minislots and symbols are only examples.
  • the number of subframes contained in a radio frame the number of slots per subframe or radio frame, the number of minislots contained within a slot, the number of symbols and RBs contained in a slot or minislot, the number of Configurations such as the number of subcarriers, the number of symbols in a TTI, the symbol length, the cyclic prefix (CP) length, etc.
  • CP cyclic prefix
  • a and B are different may mean “A and B are different from each other.”
  • the term may also mean that "A and B are different from C”.
  • Terms such as “separate,” “coupled,” etc. may also be interpreted in the same manner as “different.”
  • notification of predetermined information is not limited to being performed explicitly, but may be performed implicitly (for example, not notifying the predetermined information). good too.
  • wireless communication system 100 base station (gNB) 200 terminal (UE)
  • gNB base station
  • UE terminal

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

Abstract

Un terminal selon la présente invention comprend : une unité de commande qui détermine un premier intervalle sur la base d'un intervalle d'une première opportunité de transmission et d'un intervalle d'une opportunité de transmission d'une première transmission répétée incluse dans une fenêtre de domaine temporel comprenant la première opportunité de transmission et qui commande la puissance de transmission pour la première opportunité de transmission sur la base d'informations relatives à une commande de puissance de transmission reçues dans un intervalle de réception déterminé par le premier intervalle ; et une unité de transmission qui transmet un signal de liaison montante dans la première opportunité de transmission avec la puissance de transmission.
PCT/JP2022/006276 2022-02-16 2022-02-16 Terminal et procédé de communication sans fil WO2023157153A1 (fr)

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Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
CHINA TELECOM: "Remaining issues on joint channel estimation", 3GPP DRAFT; R1-2201443, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. e-Meeting; 20220221 - 20220303, 14 February 2022 (2022-02-14), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052109493 *
NTT DOCOMO, INC.: "Remaining issues on joint channel estimation for PUSCH", 3GPP DRAFT; R1-2201489, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. e-Meeting; 20220221 - 20220303, 14 February 2022 (2022-02-14), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052109531 *

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