WO2023181392A1 - 端末、無線通信方法及び基地局 - Google Patents

端末、無線通信方法及び基地局 Download PDF

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Publication number
WO2023181392A1
WO2023181392A1 PCT/JP2022/014588 JP2022014588W WO2023181392A1 WO 2023181392 A1 WO2023181392 A1 WO 2023181392A1 JP 2022014588 W JP2022014588 W JP 2022014588W WO 2023181392 A1 WO2023181392 A1 WO 2023181392A1
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Prior art keywords
pucch
frequency
xdd
resource
time units
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English (en)
French (fr)
Japanese (ja)
Inventor
大輔 栗田
浩樹 原田
チーピン ピ
ジン ワン
ラン チン
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NTT Docomo Inc
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NTT Docomo Inc
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Priority to JP2024509692A priority Critical patent/JPWO2023181392A1/ja
Priority to PCT/JP2022/014588 priority patent/WO2023181392A1/ja
Publication of WO2023181392A1 publication Critical patent/WO2023181392A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA

Definitions

  • the present disclosure relates to a terminal, a wireless communication method, and a base station in a next-generation mobile communication system.
  • LTE Long Term Evolution
  • 3GPP Rel. 10-14 LTE-Advanced (3GPP Rel. 10-14) has been specified for the purpose of further increasing capacity and sophistication of LTE (Third Generation Partnership Project (3GPP) Releases (Rel.) 8 and 9).
  • LTE Long Term Evolution
  • 5G 5th generation mobile communication system
  • 5G+ plus
  • NR New Radio
  • E-UTRA Evolved Universal Terrestrial Radio Access
  • E-UTRAN Evolved Universal Terrestrial Radio Access Network
  • a plurality of terminals (user terminals, user equipment (UE)) will communicate in an ultra-high-density and high-traffic environment.
  • uplink (UL) resources are insufficient compared to downlink (DL) resources.
  • one of the purposes of the present disclosure is to provide a terminal, a wireless communication method, and a base station that improve resource usage efficiency.
  • a terminal includes a terminal that indicates a link direction of one or more frequency units within one or more time units in which downlink resources and uplink resources are frequency division multiplexed within a specific band. a receiving unit that receives information regarding the above patterns; and a control unit that controls transmission or reception within the one or more time units based on the information, and the information , and the number of the one or more patterns.
  • resource utilization efficiency can be increased.
  • FIGS. 1A and 1B are diagrams illustrating an example of slot configuration settings.
  • FIG. 2 is a diagram showing an example of the configuration of the XDD.
  • 3A and 3B are diagrams illustrating an example of a slot format.
  • 4A to 4D are diagrams illustrating an example of partial availability according to the third embodiment.
  • FIG. 5 shows an example of PUCCH resource configuration.
  • 6A to 6E illustrate an example of link directions of multiple frequency resources within a time unit.
  • FIG. 7 shows an example of a time unit for PUCCH transmission in case A-1.
  • FIG. 8 shows another example of time units for PUCCH transmission in case A-1.
  • FIG. 9 shows an example of a time unit for PUCCH transmission in case A-2.
  • FIG. 10 shows an example of a time unit for PUCCH transmission in case B-3.
  • FIG. 11 shows an example of a time unit for PUCCH transmission in case B-4.
  • FIG. 12 shows an example of a time unit for PUCCH transmission in case B-5.
  • FIG. 13 is a diagram illustrating an example of a schematic configuration of a wireless communication system according to an embodiment.
  • FIG. 14 is a diagram illustrating an example of the configuration of a base station according to an embodiment.
  • FIG. 15 is a diagram illustrating an example of the configuration of a user terminal according to an embodiment.
  • FIG. 16 is a diagram illustrating an example of the hardware configuration of a base station and a user terminal according to an embodiment.
  • FIG. 17 is a diagram illustrating an example of a vehicle according to an embodiment.
  • PUCCH format In future wireless communication systems (e.g., Rel. 15 and later, 5G, NR, etc.), the configuration (format, PUCCH format (PF) ) etc.) are being considered. For example, Rel. 15 NR is considering supporting five types of PF0-4. Note that the names of the PFs shown below are merely examples, and different names may be used.
  • PF0 and 1 are PFs used to transmit UCI of up to 2 bits.
  • the UCI includes at least one of delivery confirmation information (also referred to as Hybrid Automatic Repeat request-acknowledgement (HARQ-ACK), acknowledgment (ACK), negative-acknowledgement (NACK), etc.) and scheduling request (SR). It may be. Since PF0 can be allocated to 1 or 2 symbols, it is also called short PUCCH, sequence-based short PUCCH, or the like. On the other hand, since PF1 can be allocated to 4 to 14 symbols, it is also called long PUCCH.
  • HARQ-ACK Hybrid Automatic Repeat request-acknowledgement
  • ACK acknowledgment
  • NACK negative-acknowledgement
  • SR scheduling request
  • PF0 is a cyclic shift (CS) of a base sequence using a cyclic shift based on at least one of an index, a UCI value, a slot number, and a symbol number.
  • the sequence obtained by the shift may be transmitted.
  • multiple user terminals can perform code division multiplexing (code division multiplexing) within the same physical resource block (PRB) by time domain block spreading using at least one of CS and time domain (TD)-orthogonal cover code (OCC). CDM).
  • PF2-4 is used for transmitting more than 2 bits of UCI (for example, Channel State Information (CSI), or at least one of CSI, HARQ-ACK, and SR). It is a PF that can be used. Since PF2 can be allocated to 1 or 2 symbols, it is also called short PUCCH or the like. On the other hand, PFs 3 and 4 are also called long PUCCHs because they can be allocated to 4 to 14 symbols. In PF4, multiple user terminals may be CDMed using (frequency domain (FD)-OCC) block spreading before DFT.
  • FD frequency domain
  • Intra-slot frequency hopping may be applied to PF1, PF3, and PF4. If the length of PUCCH is N symb , the length before frequency hopping (first hop) may be floor(N symb /2), and the length after frequency hopping (second hop) may be ceil(N symb /2).
  • the waveforms of PF0, PF1, and PF2 may be Cyclic Prefix (CP)-Orthogonal Frequency Division Multiplexing (OFDM).
  • the waveforms of PF3 and PF4 may be Discrete Fourier Transform (DFT)-spread(s)-OFDM.
  • Allocation of resources (for example, PUCCH resources) used for transmission of the uplink control channel is performed using upper layer signaling and/or downlink control information (DCI).
  • the upper layer signaling is, for example, at least one of RRC (Radio Resource Control) signaling, system information (for example, RMSI: Remaining Minimum System Information, OSI: Other System Information, MIB: Master Information Block, SIB: System Information Block). 1), broadcast information (PBCH: Physical Broadcast Channel).
  • RRC Radio Resource Control
  • the number of symbols allocated to PUCCH (which may also be referred to as PUCCH allocation symbols, PUCCH symbols, etc.) may be determined slot-specific, cell-specific, user terminal-specific, or a combination thereof. Since it is expected that the communication distance (coverage) will increase as the number of PUCCH symbols increases, it is assumed that, for example, the farther a user terminal is from a base station (e.g., eNB, gNB), the more the number of symbols increases.
  • a base station e.g., eNB, gNB
  • HARQ-ACK feedback In NR, a user terminal (UE: User Equipment) sends delivery confirmation information (Hybrid Automatic Repeat reQuest-ACKnowledge (HARQ-ACK), ACKnowledge/Non-ACK) for a downlink shared channel (also referred to as a Physical Downlink Shared Channel (PDSCH), etc.).
  • delivery confirmation information Hybrid Automatic Repeat reQuest-ACKnowledge (HARQ-ACK), ACKnowledge/Non-ACK
  • ACKnowledge/Non-ACK ACKnowledge/Non-ACK
  • PDSCH Physical Downlink Shared Channel
  • a mechanism for feeding back also referred to as a report, transmission, etc.
  • ACK/NACK also referred to as ACK/NACK
  • HARQ-ACK information A/N, etc.
  • the value of a predetermined field in the DCI indicates the feedback timing of HARQ-ACK for the PDSCH.
  • the value of the predetermined field may be mapped to the value of k.
  • the predetermined field is called, for example, a PDSCH-to-HARQ feedback timing indicator field.
  • the PUCCH resource to be used for feedback of HARQ-ACK for the PDSCH is determined based on the value of a predetermined field in the DCI (for example, DCI format 1_0 or 1_1) used for PDSCH scheduling.
  • the predetermined field may be called, for example, a PUCCH resource indicator (PRI) field, an ACK/NACK resource indicator (ARI) field, or the like.
  • the value of the predetermined field may be called PRI, ARI, etc.
  • the PUCCH resources mapped to each value of the predetermined field may be configured in the UE in advance by upper layer parameters (for example, ResourceList in PUCCH-ResourceSet). Further, the PUCCH resource may be configured in the UE for each set (PUCCH resource set) including one or more PUCCH resources.
  • upper layer parameters for example, ResourceList in PUCCH-ResourceSet.
  • NR Rel. In 15 it is considered that the UE does not expect to transmit more than one Physical Uplink Control Channel (PUCCH) with HARQ-ACK within a single slot. .
  • PUCCH Physical Uplink Control Channel
  • one or more HARQ-ACKs of a single slot are mapped to a single HARQ-ACK codebook, and the HARQ-ACK codebook is transmitted on the PUCCH resource indicated by the last DCI. may be done.
  • the HARQ-ACK codebook is divided into time domain (e.g., slot), frequency domain (e.g., Component Carrier (CC)), spatial domain (e.g., layer), and transport block (TB). )) and a bit for HARQ-ACK in at least one unit of a code block group (Code Block Group (CBG)) constituting the TB.
  • CBG Code Block Group
  • the CC is also called a cell, a serving cell, a carrier, etc.
  • this bit is also called a HARQ-ACK bit, HARQ-ACK information, HARQ-ACK information bit, etc.
  • the HARQ-ACK codebook is also called a PDSCH-HARQ-ACK codebook (pdsch-HARQ-ACK-Codebook), a codebook, a HARQ codebook, a HARQ-ACK size, etc.
  • the number of bits (size) included in the HARQ-ACK codebook may be determined semi-statically or dynamically.
  • the semi-static HARQ-ACK codebook is also called a type-1 HARQ-ACK codebook, a semi-static codebook, etc.
  • the dynamic HARQ-ACK codebook is also called a type-2 HARQ-ACK codebook, a dynamic codebook, etc.
  • Type 1 HARQ-ACK codebook or the Type 2 HARQ-ACK codebook may be set in the UE by an upper layer parameter (for example, pdsch-HARQ-ACK-Codebook).
  • the UE transmits the HARQ-ACK bits corresponding to the predetermined range (for example, a range configured based on upper layer parameters) regardless of the presence or absence of PDSCH scheduling. You may give feedback.
  • the predetermined range for example, a range configured based on upper layer parameters
  • the predetermined range is configured or activated in the UE for a predetermined period of time (e.g., a set of a predetermined number of occasions for reception of candidate PDSCHs or a predetermined number of monitoring occurrences of a PDCCH). It may be determined based on at least one of the number of CCs, the number of TBs (number of layers or ranks), the number of CBGs per 1 TB, and whether or not spatial bundling is applied.
  • the predetermined range is also called a HARQ-ACK bundling window, HARQ-ACK feedback window, bundling window, feedback window, etc.
  • the UE feeds back the NACK bit even if there is no PDSCH scheduling for the UE, as long as it is within a predetermined range. Therefore, when using the type 1 HARQ-ACK codebook, it is also assumed that the number of HARQ-ACK bits to be fed back increases.
  • the UE may feed back HARQ-ACK bits for the scheduled PDSCH within the predetermined range.
  • the UE also configures code block group (CBG)-based transmission (CBG-based HARQ-ACK codebook determination) by upper layer parameters (PDSCH-CodeBlockGroupTransmission). If not, the UE assumes transport block (TB)-based transmission (TB-based HARQ-ACK codebook determination). That is, the UE generates HARQ-ACK information bits for each TB.
  • CBG code block group
  • PDSCH-CodeBlockGroupTransmission transport block
  • the UE receives the PDSCH including multiple CBGs of one TB.
  • the PDSCH code block group transmission information element includes the maximum number of CBGs in one TB (maxCodeBlockGroupsPerTransportBlock).
  • the UE generates HARQ-ACK information bits for each of the plurality of CBGs for TB reception of the serving cell, and generates a HARQ-ACK codebook including the maximum number of HARQ-ACK information bits for the CBGs.
  • the UE transmits one or more HARQ-ACK bits determined (generated) based on the above type 1 or type 2 HARQ-ACK codebook to a physical uplink control channel (PUCCH) and an uplink shared channel. (Physical Uplink Shared Channel (PUSCH)) may be used for transmission.
  • PUCCH Physical Uplink control channel
  • PUSCH Physical Uplink Shared Channel
  • XDD frequency division duplex
  • TDD time division duplex
  • TDD Time Division Duplex
  • FDD Frequency Division Duplex
  • FDD Frequency Division Duplex
  • DL reception and UL transmission can be performed simultaneously, which is preferable from the viewpoint of reducing delay.
  • the resource ratio of DL and UL is fixed (for example, 1:1).
  • TDD Time Division Duplex
  • DL and UL resources For example, in a general environment where DL traffic is relatively large, it is possible to increase the amount of DL resources and improve DL throughput. It is possible.
  • Rel Considering the time ratio of transmission and reception by TDD up to 16, there may be a case where the opportunity to transmit a UL signal/channel is smaller than the opportunity to receive a DL signal/channel. In such a case, the UE cannot frequently transmit UL signals/channels, and there is a concern that a delay in transmitting important UL signals/channels may occur. Furthermore, since there are fewer UL transmission opportunities compared to DL reception opportunities, there is also concern about signal/channel congestion during UL transmission opportunities. Furthermore, in TDD, the time resources that can be used to transmit UL signals/channels are limited, so that the application of UL coverage expansion techniques, such as repetition transmission, is also limited.
  • the division duplex method may be called XDD (Cross Division Duplex).
  • XDD may refer to a duplexing method in which DL and UL are frequency division multiplexed (DL and UL can be used simultaneously) within one component carrier (CC) of a TDD band or in multiple CCs.
  • CC component carrier
  • the duplex method When the duplex method is applied to a plurality of CCs, it may mean that a time resource for which DL is available in one CC is available for UL in another CC.
  • the plurality of CCs may be CCs in the same band.
  • FIG. 1A shows Rel. 16 is a diagram illustrating an example of TDD settings defined up to No. 16.
  • FIG. 1A the UE is configured with TDD slots/symbols in the bandwidth of one component carrier (CC) (also referred to as a cell or serving cell).
  • CC component carrier
  • the time ratio of DL slots and UL slots is 4:1.
  • FIG. 1B is a diagram showing an example of the configuration of the XDD.
  • the resources used for DL reception and the resources used for UL transmission overlap in time.
  • UL resources can be secured and resource utilization efficiency can be improved.
  • both ends of the frequency domain in one CC as DL and UL resources sandwiched between the DLs, cross-link interference with neighboring carriers (Cross-link interference) can be avoided.
  • the occurrence of link interference (CLI) can be avoided and alleviated.
  • a guard area may be set at the boundary between the DL resource and the UL resource.
  • FIG. 2 is a diagram showing an example of the configuration of the XDD.
  • part of the DL resources of the TDD band is used as the UL resource, and the DL and UL are configured to partially overlap in time.
  • each of the multiple UEs receives a DL channel/signal.
  • one UE receives the DL channel/signal
  • another UE receives the DL channel/signal.
  • the base station performs simultaneous transmission and reception of DL and UL.
  • each of the multiple UEs transmits a UL channel/signal.
  • DL frequency resources and UL frequency resources in the UE carrier are configured as DL bandwidth part (BWP) and UL BWP, respectively.
  • BWP DL bandwidth part
  • Ru UL bandwidth part
  • the time resource on the UE TDD carrier is configured as at least one of DL, UL, and flexible (FL) in TDD configuration.
  • Methods for configuring time domain and frequency domain resources for XDD operations are being considered. For example, for UE#1 in FIG. (by avoiding the use of the UL resource portion), the impact on the specifications/UE can be minimized.
  • a PUCCH configuration for the XDD time unit (separate from that for the pure time unit) is used, the following problems arise.
  • - Number of PUCCH settings for XDD time unit Relationship between the number of PUCCH settings for XDD time units and the number of XDD frequency domain patterns.
  • the present inventors conceived of an operation related to PUCCH within a pure time unit or an XDD time unit.
  • ... may mean any of these or a combination thereof (that is, ... may be replaced with any of these or a combination thereof).
  • A/B and “at least one of A and B” may be read interchangeably. Furthermore, in the present disclosure, “A/B/C” may mean “at least one of A, B, and C.”
  • Radio Resource Control RRC
  • RRC parameters RRC parameters
  • RRC messages RRC messages
  • upper layer parameters information elements (IEs), settings, etc.
  • IEs information elements
  • CE Medium Access Control Element
  • update command activation/deactivation command, etc.
  • the upper layer signaling may be, for example, Radio Resource Control (RRC) signaling, Medium Access Control (MAC) signaling, broadcast information, etc., or a combination thereof.
  • RRC Radio Resource Control
  • MAC Medium Access Control
  • MAC signaling may use, for example, a MAC Control Element (MAC CE), a MAC Protocol Data Unit (PDU), or the like.
  • Broadcast information includes, for example, a master information block (MIB), a system information block (SIB), a minimum system information (RMSI), and other system information ( Other System Information (OSI)) may also be used.
  • MIB master information block
  • SIB system information block
  • RMSI minimum system information
  • OSI Other System Information
  • the physical layer signaling may be, for example, downlink control information (DCI), uplink control information (UCI), etc.
  • DCI downlink control information
  • UCI uplink control information
  • an index an identifier (ID), an indicator, a resource ID, etc.
  • ID an identifier
  • indicator an indicator
  • resource ID a resource ID
  • sequences, lists, sets, groups, groups, clusters, subsets, etc. may be used interchangeably.
  • channel may be interchanged.
  • DL channel/signal reception, DL reception, and DL transmission may be read interchangeably.
  • UL channel/signal transmission, UL transmission, and UL reception may be read interchangeably.
  • support In the present disclosure, the terms “support,” “support,” “control,” “operate,” and “capable of operation” may be interchanged.
  • a overlaps with B, A overlaps with B, and at least a portion of A overlaps with at least a portion of B may be read as interchangeable.
  • drop, abort, cancel, puncture, and rate match may be read interchangeably.
  • a time unit, one or more symbols, one or more subslots, one or more slots, and one or more subframes may be read interchangeably.
  • a frequency unit, one or more RE symbols, one or more RB/PRB, and one or more RB groups may be read interchangeably.
  • the reception of DL signals/channels and the transmission of UL signals/channels may be transmitted and received using the same BWP/CC/band/operating band, or may be transmitted and received using different BWP/CC/bands/operating bands. may be used for transmission and reception.
  • BWP, CC, cell, serving cell, band, carrier, operating band, PRG, PRB, RB, RE, and resource may be interchanged.
  • the time domain (period) in which DL resources and UL resources within 1 CC of the TDD band can be used simultaneously, the XDD portion, and the XDD period may be read interchangeably.
  • the DL/UL resources in the XDD part may be referred to as XDD DL/UL resources, XDD DL/UL.
  • a DL/UL resource in which the DL and UL of the TDD band do not overlap in time may be read as a non-XDD DL/UL resource, a pure DL/UL resource, a non-XDD DL/UL resource, a new DL/UL resource, etc.
  • the XDD operation may indicate the operation during a period in which XDD DL/UL resources are configured, or may indicate the operation of the entire TDD in which XDD can be used.
  • DL/UL BWP in TDD band Rel.
  • DL/UL BWP defined by 15/16 and normal DL/UL BWP may be read interchangeably.
  • the PRB for UL and the PRB designated as UL ('U') may be read interchangeably.
  • the time unit in which the TDD UL/DL pattern is set/instructed and the pure time unit may be read interchangeably.
  • the time unit whose UL is set/instructed by the TDD UL/DL pattern and the pure UL time unit may be read interchangeably.
  • the time unit in which DL is set/instructed by the TDD UL/DL pattern and the pure DL time unit may be read interchangeably.
  • the terms XDD UL/DL pattern, XDD time unit/frequency domain pattern setting/instruction, and XDD time/frequency resource setting/instruction may be interchanged.
  • the time unit in which the XDD UL/DL pattern is set/instructed, the XDD time unit, and the time resource for XDD may be read interchangeably.
  • the frequency domain pattern, the frequency pattern, the setting/instruction of frequency resources for XDD, the combination of link directions in the frequency domain, and the combination of link directions of a plurality of frequency units subjected to FDM within a specific band are interchangeable. You can.
  • invalid RE for UL/PUCCH RE unavailable for UL
  • RE set/instructed for DL RE set/instructed for DL
  • PRB for DL PRB for DL
  • invalid symbols for UL/PUCCH, symbols unavailable for UL, symbols configured/instructed to be DL, and DL symbols may be read interchangeably.
  • the terms UL resource, UL frequency unit, and UL PRB may be interchanged.
  • the terms DL resource, DL frequency unit, and DL PRB may be interchanged.
  • the link direction 'DDFFU' is set by RRC for slots #0 to #4 of UE #1 and #2, respectively.
  • the DCI for UE #1 indicates two 'F's in slots #2 and #3 as two 'D's. Thereby, UE #1 can receive DL in slots #2 and #3.
  • the base station may schedule UE #1 on some resources #1 in slots #2 and #3 without PDSCH reception. Conceivable. If there is no explicit indication of unavailability of resource #1 and there is a possibility of periodic/semi-persistent SSB/CSI-RS on resource #1, problems may occur in the measurement of SSB/CSI-RS. There is.
  • the DCI for UE #2 indicates two 'F's in slots #2 and #3 as two 'U's. This allows UE #2 to transmit UL in slots #2 and #3.
  • the base station may schedule UE #2 on some resources #2 in slots #2 and #3 without PUSCH transmission. Conceivable. If there is no explicit indication that resource #2 is unavailable and the normal PUCCH/SRS resource configuration on resource #2 is not limited to resource #1, problems with PUSCH/SRS/PRACH transmission may occur. There is.
  • Different link directions of time resources may be instructed to different UEs.
  • Some periodic/semi-persistent RSs may be considered to enable XDD operation on time resources designated 'D' for some UEs.
  • configuration of some UL channels/RSs may be considered.
  • partial availability, partial available indication, partial non-available indication, partially available DL frequency resource, partial utilization The combinations of possible UL frequency resources, partially unavailable DL frequency resources, partially unavailable UL frequency resources, link direction (D/F/U) and partially available may be read interchangeably.
  • a new type of instruction may be defined for indicating "partial availability" for a time unit.
  • a time unit may be a time resource with a certain length, eg, a subframe/slot/minislot/symbol.
  • the partial availability indication may indicate whether some frequency resources (resource blocks/resource elements) in a component carrier/BWP are available for a particular link direction. Alternatively, the frequency resource may be indicated.
  • the new instruction may be RRC IE/MAC CE/DCI.
  • the new instruction may be signaling different from the existing link direction instruction signaling.
  • elements of the RRC IE/MAC CE/DCI of new indications e.g., partial availability indication, partial frequency resource indication, etc.
  • existing link direction indications e.g., D/F/U indications, etc.
  • the new instruction may be signaling combined with the existing link direction instruction signaling.
  • a combination of existing link direction instructions and new instructions e.g., partial availability and D/F/U instructions, D/F/U/partially available D/partially available U RRC IE/MAC CE/DCI indicating the instruction
  • new instructions e.g., partial availability and D/F/U instructions, D/F/U/partially available D/partially available U RRC IE/MAC CE/DCI indicating the instruction
  • the UE shall provide a 'partial available indication' (partial frequency resources available) and a 'D' (time unit for DL) indication (indication of partial frequency resources available for DL, partial "partial non-available indication" (unavailable partial frequency resource) and 'D' (download time unit) indication (DL time unit) (instruction of partial frequency resources that are not available for use in a given period) or indication of partially unavailable DL frequency resources may be given.
  • the UE shall provide a 'partial availability indication' (partial frequency resources available) and a 'U' (time unit for UL) indication (indication of partial frequency resources available for UL, partially available UL frequency).
  • 'U' (time unit for UL) indication indication of partial frequency resources unavailable for UL
  • 'partial unavailability indication' partial frequency resource unavailable for UL
  • the UE sends a 'partial availability indication' (available partial frequency resources) and 'D' (DL time unit) indication (indication of partially available DL frequency resources), and a 'partial availability indication' (partial availability indication).
  • ' (available partial frequency resource) and 'U' (UL time unit) indication indication of partially available UL frequency resource.
  • the UE determines whether the partially available DL frequency resources within the time unit (partially available DL frequency resources within the time unit) (partial frequency resources other than those) may also be identified.
  • the UE determines whether the partially available UL frequency resources within the time unit are partially available UL frequency resources within the time unit. (partial frequency resources other than those) may also be identified.
  • the UE sends a "partially unavailable indication" (unavailable partial frequency resource) and a 'D' (DL time unit) indication (partially unavailable DL frequency resource indication). Even if at least one of the 'unavailability indication' (unavailable partial frequency resource) and 'U' (UL time unit) indication (indication of partially unavailable DL frequency resource) is given, good.
  • the UE determines the partially available DL frequency resources within the time unit (partially unavailable DL frequency resources within the time unit). (partial frequency resources other than the resource) may also be identified.
  • the UE determines the partially available UL frequency resources within the time unit (partially unavailable UL frequency resources within the time unit). (partial frequency resources other than the resource) may also be identified.
  • the UE shall It may be assumed that a DL channel/RS is received on a frequency resource, or it may not be assumed that a DL channel/RS is received on a partially unavailable DL frequency resource within the time unit. If a time unit is indicated with 'partially unavailable indication' and 'D' (indicated with partially unavailable DL frequency resources), the UE shall It may be assumed that DL channels/RSs are received on available DL frequency resources, or it may not be assumed that DL channels/RSs are received on partially unavailable DL frequency resources within that time unit. good.
  • the UE shall It may be assumed that DL channels/RSs are received on unavailable UL frequency resources, or it may not be assumed that DL channels/RSs are received on partially available UL frequency resources within that time unit. good.
  • Partially available DL frequency resources can be configured/indicated by the RRC IE/MAC CE.
  • the configuration/indication of partially available DL frequency resources may disable some frequency resources (Partially Unavailable DL frequency resources (P_ND)) (FIG. 4A), or may disable some frequency resources (Partially Unavailable DL frequency resources (P_ND))
  • the two sets may be combined ( Figure 4B).
  • a common partially available DL frequency resource may be configured/indicated for multiple time units (eg, time units #0 and #1) (FIG. 4A).
  • Different partially available DL frequency resources may be configured/indicated for multiple time units (eg, time units #0 and #1) (FIG. 4B).
  • the UE shall It may be assumed that the UL channel/RS is transmitted on a frequency resource, or it may not be assumed that the UL channel/RS is transmitted on a partially unavailable UL frequency resource within the time unit. If a time unit is indicated with a 'partially unavailable indication' and 'U' (indicated with a partially unavailable UL frequency resource), the UE shall It may be assumed that the UL channel/RS is transmitted on available UL frequency resources, or it may not be assumed that the UL channel/RS is transmitted on partially unavailable UL frequency resources within the time unit. good.
  • the UE shall It may be assumed that UL channels/RSs are transmitted on unavailable DL frequency resources, or it may not be assumed that UL channels/RSs are transmitted on partially available DL frequency resources within that time unit. good.
  • Partially available UL frequency resources can be configured/indicated by the RRC IE/MAC CE.
  • the configuration/indication of partially available UL frequency resources may disable some frequency resources (Partially Unavailable UL frequency resources (P_NU)) (FIG. 4C), or may disable some frequency resources (partially unavailable UL frequency resources (P_NU))
  • the two sets may be combined (FIG. 4D).
  • a common partially available UL frequency resource may be configured/indicated for multiple time units (eg, time units #0 and #1) (FIG. 4C).
  • Different partially available UL frequency resources may be configured/indicated for multiple time units (eg, time units #0 and #1) (FIG. 4D).
  • the link direction can be set/instructed for each time resource, and partially available or unavailable frequency resources can be flexibly set/instructed.
  • a partially available DL time unit can be defined as a "partially available indication" and 'D' (partially available DL frequency resource, P_AD) or a 'partially unavailable indication' and 'U' (partially available DL frequency resource, P_AD). It may also be an impossible UL frequency resource (P_UL).
  • the UE may be assumed to be scheduled for PDSCH reception only on partially available DL frequency resources (or partially unavailable UL frequency resources) within partially available DL time units.
  • the UE may perform rate matching around partially unavailable DL frequency resources (or partially available UL frequency resources) within partially available DL time units.
  • the UE may follow at least one of options 1 to 3.
  • FDMA Frequency Domain Resource Assignment
  • DCI Normal DL Time Units
  • FDRA Frequency Domain Resource Assignment
  • the mapping to partially available DL time units is common (matching).
  • the UE may not assume that the FDRA indication places PDSCH resources that overlap with partially available DL frequency resources (or partially available UL frequency resources) in partially available DL time units. It may be an error case if the FDRA field places a PDSCH resource that overlaps a partially unavailable DL frequency resource in a partially available DL time unit.
  • FDMA indication in DCI Frequency resource configuration and mapping to frequency domain resource allocation (FDMA indication in DCI) for normal DL time units (time units not indicated with partial availability indication and 'D') and partial utilization and the possible DL time units are common (matched).
  • the UE may perform rate matching around partially unavailable DL frequency resources (or partially available UL frequency resources) within partially available DL time units. If the FDRA indication includes a partially unavailable DL frequency resource within a partially available DL time unit, the UE may rate match around the partially available DL frequency resource.
  • Frequency resource configuration and mapping to frequency domain resource allocation (FDMA indication in DCI) for partially available DL time units are configured separately by the RRC IE.
  • the UE may interpret the FDRA in the partially available DL frequency resources within the partially available DL time unit based on the new configuration.
  • the UE may handle DMRS and phase tracking reference signal (PTRS) in the same way as PDSCH.
  • DMRS DMRS and phase tracking reference signal (PTRS) in the same way as PDSCH.
  • PTRS phase tracking reference signal
  • the UE does not monitor PDCCH (candidate) on partially available DL frequency resources (or partially available UL frequency resources) within partially available DL time units.
  • the UE may follow either of options 1 and 2 below.
  • CORESET and SS settings may be set separately for partially available DL time units by the RRC IE.
  • the UE does not monitor SSB on partially available DL frequency resources (or partially available UL frequency resources) within partially available DL time units.
  • the UE may follow either of options 1 and 2 below. Alternatively, the UE may not assume that SSB monitoring is configured on the time resources on which partially available DL time units are configured.
  • SSB may be transmitted according to the SSB periodicity
  • the UE shall perform SSB measurements on that partially unavailable DL frequency resource. Ignore (do not do).
  • the UE does not monitor CSI-RS on partially available DL frequency resources (or partially available UL frequency resources) within partially available DL time units.
  • the UE may follow either of options 1 and 2 below.
  • a CSI-RS is transmitted according to a periodic/semi-persistent CSI-RS periodicity in a partially available DL frequency resource within a partially available DL time unit, If so, the UE ignores (does not perform) CSI-RS measurements on its partially unavailable DL frequency resources.
  • the UE determines that the aperiodic CSI-RS is transmitted on a partially unavailable DL frequency resource within a partially available DL time unit (partially unavailable DL frequency resource within a partially available DL time unit). It is not assumed that aperiodic CSI-RSs transmitted on DL frequency resources are scheduled (triggered) by DCI.
  • the UE does not monitor DL-positioning reference signals (PRS) on partially available DL frequency resources (or partially available UL frequency resources) within partially available DL time units.
  • PRS DL-positioning reference signals
  • the UE may follow either of options 1 and 2 below.
  • DL-PRS may be transmitted according to a periodicity
  • the UE may Ignore (do not perform) PRS measurements.
  • the UE can appropriately control reception in the time resources for which DL and partial availability are indicated for each time resource.
  • a partially available UL time unit can be defined as a "partially available indication" and 'U' (partially available UL frequency resource, P_AU) or a 'partially unavailable indication' and 'D' (partially available UL frequency resource, P_AU). It may also be a non-available DL frequency resource (P_ND).
  • the UE may follow at least one of the following options 1 and 2.
  • Another PUCCH configuration may be configured for partially available UL time units.
  • the PUCCH configuration for a partially available UL time unit may be configured separately from the PUCCH configuration for a normal UL time unit (a time unit that is not indicated with a partially available indication and is indicated with 'U').
  • a single PUCCH configuration is configured with some PUCCH resources for normal UL time units and some PUCCH resources for partially available UL time units.
  • the UE may select a PUCCH resource corresponding to the time resource.
  • the UE may follow either of the following options 1 and 2.
  • the settings for transmit power control (TPC) for partially available UL time units may be different from the settings for TPC for normal UL time units.
  • the UE may handle DMRS in the same way as PUCCH.
  • the UE may follow at least one of the following options 1 and 2.
  • a different PUSCH setting (different PUSCH setting than that for the normal UL time unit) is configured for the partially available UL time unit.
  • the scheduled PUSCH may be within the partially available UL frequency resources (may be limited to the partially available UL frequency resources).
  • a separate PUSCH configuration for partially available UL time units (different PUSCH configuration than for normal UL time units) is not configured. In this case, the UE may not assume to be scheduled for PUSCH transmission on partially unavailable UL frequency resources.
  • the settings regarding TPC for partially available UL time units may be different from the settings regarding TPC for normal UL time units.
  • the UE may handle DMRS and PTRS in the same way as PUSCH.
  • the UE may follow at least one of the following options 1 and 2.
  • a different PRACH setting (different PRACH setting than that for the normal UL time unit) is configured for the partially available UL time unit.
  • the resource selection and transmission of the PRACH may be within the partially available UL frequency resources (may be limited to the partially available UL frequency resources).
  • a separate PRACH configuration for partially available UL time units (different PRACH configuration than for normal UL time units) is not configured.
  • the UE may follow either of options 1 and 2 below.
  • [[Choice 1]] The UE may not select PRACH resources on partially unavailable UL frequency resources, nor may PRACH resources on partially available UL frequency resources be ordered by the PDCCH.
  • [[Option 2]] The UE may (does not have to) ignore PRACH transmissions that overlap with partially unavailable UL frequency resources. For example, if a PRACH transmission commanded by a PDCCH overlaps with partially unavailable UL frequency resources, the UE may (or may not) ignore the PRACH transmission.
  • the UE may follow at least one of the following options 1 and 2.
  • a different SRS setting is set for the partially available UL time unit (different SRS setting than the SRS setting for the normal UL time unit).
  • the resource selection and transmission of SRS may be within the partially available UL frequency resources (may be limited to the partially available UL frequency resources).
  • a separate SRS setting for the partially available UL time unit (different from the SRS setting for the normal UL time unit) is not configured.
  • the UE may follow either of options 1 and 2 below.
  • [[Choice 1]] The UE may not select SRS resources on partially unavailable UL frequency resources or be triggered by DCI to select SRS resources on partially unavailable UL frequency resources.
  • [[Option 2]] The UE does not assume that partially available/unavailable UL frequency resources are configured for time resources with periodic/semi-persistent-SRS.
  • the UE can appropriately control transmission in the time resources indicated with UL and partial availability.
  • This embodiment relates to a common PUCCH configuration for TDD UL/DL patterns (pure time units) and XDD UL/DL patterns (XDD time units/frequency domain patterns).
  • This aspect relates to UE operation considering invalid REs for UL/PUCCH in XDD UL/DL patterns.
  • the UE may follow either of the following options Oa1 and Oa2.
  • Oa1 and Oa2 The UE does not expect PRIs to indicate PUCCH resources that overlap with invalid REs for UL/PUCCH.
  • PRI indicates PUCCH resources that overlap with invalid REs for UL/PUCCH.
  • PUCCH rate matching may be allowed for PUCCH format x.
  • x may be at least one of 0, 1, 2, 3, and 4, or may be something else.
  • pure time unit collision collision between pure DL time unit and PUCCH, invalid symbol for UL/PUCCH/PUCCH overlapping with DL symbol
  • XDD time unit collision collision between pure DL time unit and PUCCH
  • the handling for pure time unit collisions is better than the handling for XDD time unit collisions. May be given priority.
  • the UE may follow at least one rule below. - If a PUCCH overlaps with a DL symbol, the PUCCH is dropped.
  • the PUCCH is rate matched to that invalid RE.
  • the UE drops the PUCCH instead of its PUCCH rate matching.
  • This aspect relates to a method of avoiding invalid REs for UL/PUCCH in XDD UL/DL patterns.
  • one or more starting PRBs may be configured for one PUCCH resource/format.
  • the PUCCH resource configuration (PUCCH-Resource) may include a list of starting PRBs (eg, Multiple-startingPRB-r18).
  • PUCCH resources may be determined based on existing PUCCH resource selection rules. If the determined PUCCH resource overlaps with the XDD time unit, the UE shall perform the following conditions 1 and 2 from the first value to the subsequent value among one or more starting PRBs configured for the PUCCH resource. You may confirm until at least one condition of 2 is satisfied.
  • a starting PRB is selected such that PUCCH resources do not overlap with invalid REs for UL/PUCCH.
  • the invalid RE for UL/PUCCH may be notified by RRC configuration.
  • the UE may transmit the PUCCH on the PUCCH resource with the selected starting PRB.
  • a case where the determined PUCCH resource overlaps the XDD time unit may be defined as an error case. This may mean that one available RB placement can always be reserved.
  • the first starting PRB among the configured one or more starting PRBs may be used.
  • the maximum number of starting PRBs configured for one PUCCH resource may be specified in the specifications, may be configured by RRC signaling, or may be reported by the UE as the UE capability.
  • the UE can appropriately use a common PUCCH configuration for the TDD UL/DL pattern and the XDD UL/DL pattern.
  • This embodiment relates to constraints on the configuration of frequency resources (frequency domain patterns) in XDD UL/DL patterns.
  • the frequency domain pattern for the XDD time unit may be a setting/instruction of D/U (/X) spanning the frequency domain of the XDD time unit.
  • FIGS. 6A to 6E show whether each frequency unit within one time unit is for UL or DL.
  • FIG. 6A-6B show pure time units.
  • the example of FIG. 6A shows that all frequency resources within one pure DL time unit are for DL. This corresponds to all frequency resources in the frequency domain pattern being for DL.
  • the example of FIG. 6B shows that all frequency resources within one pure UL time unit are for UL. This corresponds to all frequency resources in the frequency domain pattern being for UL.
  • FIGS. 6C to 6E show examples of frequency domain patterns for one XDD time unit.
  • the frequency domain pattern may indicate a combination of link directions in multiple frequency units (whether each frequency unit is for UL or DL).
  • the example of FIG. 6C shows an example of frequency domain pattern #1 corresponding to one XDD time unit.
  • the example of FIG. 6D shows an example of frequency domain pattern #2 corresponding to one XDD time unit.
  • the example of FIG. 6E shows an example of frequency domain pattern #3 corresponding to one XDD time unit.
  • the UE may follow at least one of the following options 1a1 and 1a2:
  • Option 1a1 For XDD time unit instructions, only certain frequency domain patterns are possible.
  • the allowed frequency domain patterns may be defined by specifications, configured by RRC signaling, or reported by the UE as UE capabilities. For example, frequency domain pattern ⁇ DL for subband 1 (RB#0-#19), UL for subband 2 (RB#20-#39), subband 3 (RB#40-#51) DL ⁇ may be allowed.
  • UE operation may follow at least one of the following options 1a1-1 and 1a1-2.
  • the UE does not assume to receive signaling from the base station indicating other frequency domain patterns among the allowed frequency domain patterns for the XDD time unit.
  • the UE may apply the default pattern for that time unit.
  • the XDD time unit may comply with at least one of the following options 1a1-2A and 1a1-2B. [[[Option 1a1-2A]]] The default pattern for that XDD time unit is the default frequency domain pattern defined by the specification or set by RRC signaling. [[[Option 1a1-2B]]] The XDD time unit is considered a pure DL time unit or a pure UL time unit.
  • constraints may be that some or all of the plurality of frequency domain patterns include a UL PRB, or that the plurality of frequency domain patterns include a frequency domain pattern with a minimum bandwidth. It may be something. In this case, common PUCCH settings for different frequency domain patterns are facilitated.
  • the UE may follow either of the following options 1a1 and 1a2.
  • the number of frequency domain patterns spanning all XDD time units and/or frequency domain patterns within a certain time period is equal to or less than M (M ⁇ 1).
  • M may be defined by specifications, may be configured by RRC signaling, or may be reported by the UE as UE capability.
  • frequency resources can be appropriately set for the XDD time unit.
  • This embodiment relates to differentiated PUCCH settings for TDD UL/DL patterns and XDD UL/DL patterns.
  • PUCCH setting #1 may be set for frequency time domain pattern (XDD time unit and frequency domain pattern) #1
  • PUCCH setting #2 may be set for frequency time domain pattern #2.
  • only one PUCCH configuration may be configured for multiple XDD time units with different frequency domain patterns.
  • PUCCH resource selection may be interpreted based on the corresponding PUCCH resource configuration.
  • PUCCH resource set selection may select a PUCCH resource set from within the corresponding PUCCH configuration.
  • the PRI may be applied to selected PUCCH resource sets within the corresponding PUCCH configuration.
  • PUCCH resource selection may select PUCCH resources from within the corresponding PUCCH configuration.
  • the "corresponding PUCCH (resource) configuration" in embodiment #2-2 may follow at least one of the following options 2a1 and 2a2.
  • Which PUCCH resource configuration is used may be determined by the UE based on at least one of the following different cases:
  • the PUCCH configuration for the XDD time unit may follow at least one of the following cases A and B.
  • the slot/subslot determined for PUCCH reporting may follow at least one of the following cases A-1 to A-3. [[[Case A-1]]] The determined slot/subslot spans only pure time units. In the examples of FIGS. 7 and 8, the slot in which the PUCCH (HARQ-ACK) for PDSCH is transmitted spans only pure time units. [[[Case A-2]]] The determined slot/subslot spans only one or more XDD time units. In the example of FIG. 9, the slot in which the PUCCH (HARQ-ACK) for PDSCH is transmitted spans only XDD time units. [[[Case A-3]]] The determined slot/subslot spans a pure time unit and one or more XDD time units.
  • [[Case B]] PUCCH configurations differentiated for different XDD time units with different frequency domain patterns (N 1 in embodiment #2-1).
  • the slot/subslot determined for PUCCH reporting may follow at least one of the following cases B-1 to B-5. [[[Case B-1]]] The determined slot/subslot spans only pure time units. [[[Case B-2]]] The determined slot/subslot spans only the one or more XDD time units with only one frequency domain pattern for the one or more XDD time units. [[[Case B-3]]] The determined slot/subslot spans only the one or more XDD time units with a different frequency domain pattern for the one or more XDD time units.
  • the slot in which the PUCCH (HARQ-ACK) for PDSCH is transmitted spans only three XDD time units with three different frequency domain patterns. [[[Case B-4]]]
  • the determined slot/subslot has one or more XDD time units with only one frequency domain pattern for one or more XDD time units and a pure time unit and spans.
  • the slot in which the PUCCH (HARQ-ACK) for PDSCH is transmitted spans two pure time units and one XDD time unit.
  • the determined slot/subslot has one or more XDD time units with a different frequency domain pattern for the one or more XDD time units and a pure time unit. , over.
  • the slot in which the PUCCH (HARQ-ACK) for PDSCH is transmitted spans two XDD time units with two different frequency domain patterns and one pure time unit.
  • Option 2a1 is simpler, but can be applied only when PUCCH is associated with DCI.
  • Option 2a2 can be applied in any case.
  • the PUCCH configuration for XDD time units may be applied.
  • the UE may follow either of the following options 2a1 and 2a2.
  • Case A-3 is an error case.
  • the UE may be specified not to assume case A-3.
  • Case A-3 is an acceptable case.
  • the UE may follow at least one of the following options 2a2-1 to 2a2-4.
  • [[Option 2a2-1]] The existing PUCCH configuration for pure time units may be applied.
  • [[Option 2a2-2]] PUCCH settings for XDD time units may be applied.
  • [[Option 2a2-3]] Whether the PUCCH configuration for pure time units or the PUCCH configuration for XDD time units is applied is determined by the first or last time unit type in that slot/subslot. (may be determined by whether the pure (UL) time unit is the first or last, or the XDD time unit is the first or last).
  • [[Option 2a2-4]] A dedicated default PUCCH configuration for this case may be applied.
  • the UE may follow either of the following options 2b1 and 2b2.
  • Case B-3 is an error case. It may be specified that the UE does not assume case B-3.
  • Case B-3 is an acceptable case.
  • the UE may follow at least one of the following options 2b2-1 to 2b2-2.
  • [Option 2b2-1]] A PUCCH configuration for a frequency domain pattern of XDD time units that overlaps with PUCCH may be applied.
  • the PUCCH configuration may be the PUCCH configuration for the frequency domain pattern of the first or last XDD time unit that overlaps with the PUCCH, or the PUCCH configuration of the highest or lowest of all XDD time units that overlap with the PUCCH.
  • the PUCCH configuration may be the PUCCH configuration with the highest or lowest ID in the PUCCH configuration list (for XDD time units), the PUCCH configuration for pure time units, the highest or lowest It may be a PUCCH setting for a frequency domain pattern with an ID of good.
  • UE behavior may be based on the options for case A-3. Therefore, "PUCCH settings for an XDD time unit” may be read as "PUCCH settings for a frequency domain pattern of an XDD time unit that overlaps with the PUCCH”.
  • the UE may follow either of the following options 2c1 and 2c2.
  • Case B-5 is an error case.
  • the UE may be specified not to assume case A-3.
  • Case B-5 is an acceptable case.
  • the UE may follow at least one of the following options 2c2-1 to 2c2-4.
  • [[Option 2c2-1]] The existing PUCCH configuration for pure time units may be applied.
  • [[Option 2c2-2]] PUCCH settings for XDD time units may be applied.
  • [[Option 2c2-3]] Whether the PUCCH configuration for pure time units or the PUCCH configuration for XDD time units is applied is determined by the first or last time unit type in that slot/subslot. (may be determined by whether the pure (UL) time unit is the first or last, or the XDD time unit is the first or last).
  • [[Option 2c2-4]] A dedicated default PUCCH configuration for this case may be applied.
  • Which PUCCH resource configuration is used may be determined by the UE based on at least one of the following different cases:
  • the PUCCH configuration for the XDD time unit may follow at least one of the following cases 1 to 3.
  • the slot/subslot determined for PUCCH reporting spans only one or more XDD time units.
  • the one or more XDD time units may follow any of the following cases 2-1 to 2-2. [[[Case 2-1]]]
  • the one or more XDD time units involve only one frequency domain pattern.
  • [[[Case 2-2]]] The XDD time units each involve a different frequency domain pattern.
  • the slots/subslots determined for PUCCH reporting span a pure time unit and one or more XDD time units.
  • the one or more XDD time units may follow any of the following cases 3-1 to 3-2. [[[Case 3-1]]]
  • the one or more XDD time units involve only one frequency domain pattern. [[[Case 3-2]]]
  • the XDD time units each involve a different frequency domain pattern.
  • differentiated PUCCH configurations are configured for different XDD time units with different frequency domain patterns (N>1 in embodiment #2-1), then on the other hand, the PUCCH configuration for a specific XDD time unit among the plurality of XDD time units may be applied.
  • the UE may follow either of the following options 2d1 and 2d2.
  • Case 2-2 is an error case. It may be specified that the UE does not assume case 2-2.
  • Case 2-2 is an acceptable case.
  • the (same/single) PUCCH configuration may be applied for all XDD time units that overlap with that PUCCH.
  • the UE may follow options 2d2-1 and 2d2-2 below, if mapped to a domain pattern, respectively.
  • [[Option 2d2-1]] The PUCCH configuration for the frequency domain pattern of the first or last XDD time unit among the XDD time units that overlap with the PUCCH may be applied.
  • [[Option 2d2-2]] Default PUCCH settings may be applied. That PUCCH configuration may be the PUCCH configuration with the lowest or highest index in the PUCCH configuration list (for XDD time units), it may be the PUCCH configuration for pure time units, and for this case It may be a dedicated PUCCH setting.
  • the UE may follow either of the following options 2e1 and 2e2.
  • Case 3-1 is an error case. It may be specified that the UE does not assume case 3-1.
  • Case B-3 is an acceptable case.
  • the UE may follow at least one of the following options 2e2-1 to 2e2-4.
  • [[Option 2e2-1]] The existing PUCCH configuration for pure time units may be applied.
  • [[Option 2e2-2]] PUCCH settings for XDD time units may be applied.
  • [[Option 2e2-3]] Whether the PUCCH configuration for pure time units or the PUCCH configuration for XDD time units is applied is determined by the first or last time unit type in that slot/subslot. (may be determined by whether the pure (UL) time unit is the first or last, or the XDD time unit is the first or last).
  • [[Option 2e2-4]] A dedicated default PUCCH configuration for this case may be applied.
  • the UE may follow either of the following options 2f1 and 2f2.
  • Case 3-2 is an error case. It may be specified that the UE does not assume case 3-2.
  • Case 3-2 is an acceptable case.
  • the UE may follow at least one of the following options 2f2-1 to 2f2-4.
  • [[Option 2f2-1]] The existing PUCCH configuration for pure time units may be applied.
  • [[Option 2f2-2]] PUCCH settings for XDD time units may be applied.
  • [[Choice 2f2-3]] Whether the PUCCH configuration for pure time units or the PUCCH configuration for XDD time units is applied is determined by the first or last time unit type in that slot/subslot. (may be determined by whether the pure (UL) time unit is the first or last, or the XDD time unit is the first or last).
  • [[Option 2f2-4]] A dedicated default PUCCH configuration for this case may be applied.
  • UE behavior in this case may follow any of the options 2b1 to 2b3 below.
  • This case is an error case.
  • the UE shall not assume that the determined PUCCH resource (based on the PUCCH resource configuration for XDD time units distinct from pure time units) overlaps with any invalid RE in the XDD time unit. may be specified.
  • the UE operation when the determined PUCCH resource overlaps with an invalid RE in the XDD time unit may utilize the method of embodiment #0-1.
  • the PUCCH is associated with a DCI, this case is an error case, and if the PUCCH is not associated with any DCI, it is an allowed case.
  • a PUCCH configuration differentiated for XDD time units is configured for the PUCCH associated with the DCI, the UE determines (based on the PUCCH resource configuration for XDD time units differentiated from that for pure time units) It may be specified that the assigned PUCCH resources are not assumed to overlap with any invalid RE within the XDD time unit.
  • the UE operation when the determined PUCCH resource overlaps with an invalid RE in the XDD time unit may utilize the method of embodiment #0-1.
  • differentiated PUCCH settings can be appropriately set for pure time units (TDD UL/DL pattern) and XDD time units (XDD UL/DL pattern).
  • the upper layer parameter may indicate whether the feature is enabled or not.
  • UE capability may indicate whether the UE supports the feature.
  • a UE configured with upper layer parameters corresponding to that function may perform that function. It may be stipulated that "a UE for which upper layer parameters corresponding to that function are not set does not perform that function (for example, according to Rel. 15/16)".
  • a UE that has reported/sent a UE capability indicating that it supports that functionality may perform that functionality. It may be specified that "a UE that has not reported a UE capability indicating that it supports that functionality shall not perform that functionality (eg, according to Rel. 15/16)."
  • the UE may perform that functionality. “If the UE does not report/send a UE capability indicating that it supports that capability, or if the upper layer parameters corresponding to that capability are not configured, the UE will not perform that capability (e.g. Rel.15/ 16) may be stipulated.
  • Which embodiment/option/choice/function to use among the above multiple embodiments may be set by upper layer parameters, may be reported by the UE as UE capability, or may be determined by the specifications. It may be specified or determined by reported UE capabilities and upper layer parameter settings.
  • UE capabilities may indicate whether the UE supports at least one of the following functions: - PUCCH settings common to the XDD time unit and pure time unit. - PUCCH settings differentiated for XDD time units and pure time units. - PUCCH (transmission) that overlaps with the invalid RE in the XDD time unit and is associated with the DCI. - Rate matching in valid REs (around invalid REs) when PUCCH overlaps with invalid REs in the XDD time unit. - Limitations on the frequency domain pattern of the XDD time unit. - Limitations on the number of frequency domain patterns in an XDD time unit. - Multiple PUCCH configurations differentiated for multiple XDD time units, each with a different number of frequency domain patterns. - The applied PUCCH configuration is indicated by the DCI.
  • UE capabilities may indicate that the UE indicates at least one of the following values: - Maximum number of PUCCH settings common to pure time units and XDD time units. - Maximum number of PUCCH settings for pure time units. - Maximum number of PUCCH settings for XDD time units.
  • the UE can realize the above functions while maintaining compatibility with existing specifications.
  • wireless communication system The configuration of a wireless communication system according to an embodiment of the present disclosure will be described below.
  • communication is performed using any one of the wireless communication methods according to the above-described embodiments of the present disclosure or a combination thereof.
  • FIG. 13 is a diagram illustrating an example of a schematic configuration of a wireless communication system according to an embodiment.
  • the wireless communication system 1 may be a system that realizes communication using Long Term Evolution (LTE), 5th generation mobile communication system New Radio (5G NR), etc. specified by the Third Generation Partnership Project (3GPP). .
  • LTE Long Term Evolution
  • 5G NR 5th generation mobile communication system New Radio
  • 3GPP Third Generation Partnership Project
  • the wireless communication system 1 may support dual connectivity between multiple Radio Access Technologies (RATs) (Multi-RAT Dual Connectivity (MR-DC)).
  • MR-DC has dual connectivity between LTE (Evolved Universal Terrestrial Radio Access (E-UTRA)) and NR (E-UTRA-NR Dual Connectivity (EN-DC)), and dual connectivity between NR and LTE (NR-E -UTRA Dual Connectivity (NE-DC)).
  • RATs Radio Access Technologies
  • MR-DC has dual connectivity between LTE (Evolved Universal Terrestrial Radio Access (E-UTRA)) and NR (E-UTRA-NR Dual Connectivity (EN-DC)), and dual connectivity between NR and LTE (NR-E -UTRA Dual Connectivity (NE-DC)).
  • E-UTRA Evolved Universal Terrestrial Radio Access
  • EN-DC E-UTRA-NR Dual Connectivity
  • NE-DC NR-E -UTRA Dual Connectivity
  • the LTE (E-UTRA) base station (eNB) is the master node (Master Node (MN)), and the NR base station (gNB) is the secondary node (Secondary Node (SN)).
  • the NR base station (gNB) is the MN
  • the LTE (E-UTRA) base station (eNB) is the SN.
  • the wireless communication system 1 has dual connectivity between multiple base stations within the same RAT (for example, dual connectivity (NR-NR Dual Connectivity (NN-DC) where both the MN and SN are NR base stations (gNB)). )) may be supported.
  • dual connectivity NR-NR Dual Connectivity (NN-DC) where both the MN and SN are NR base stations (gNB)).
  • the wireless communication system 1 includes a base station 11 that forms a macro cell C1 with relatively wide coverage, and base stations 12 (12a-12c) that are located within the macro cell C1 and form a small cell C2 that is narrower than the macro cell C1. You may prepare.
  • User terminal 20 may be located within at least one cell. The arrangement, number, etc. of each cell and user terminal 20 are not limited to the embodiment shown in the figure. Hereinafter, when base stations 11 and 12 are not distinguished, they will be collectively referred to as base station 10.
  • the user terminal 20 may be connected to at least one of the plurality of base stations 10.
  • the user terminal 20 may use at least one of carrier aggregation (CA) using a plurality of component carriers (CC) and dual connectivity (DC).
  • CA carrier aggregation
  • CC component carriers
  • DC dual connectivity
  • Each CC may be included in at least one of a first frequency band (Frequency Range 1 (FR1)) and a second frequency band (Frequency Range 2 (FR2)).
  • Macro cell C1 may be included in FR1
  • small cell C2 may be included in FR2.
  • FR1 may be a frequency band below 6 GHz (sub-6 GHz)
  • FR2 may be a frequency band above 24 GHz (above-24 GHz). Note that the frequency bands and definitions of FR1 and FR2 are not limited to these, and FR1 may correspond to a higher frequency band than FR2, for example.
  • the user terminal 20 may communicate using at least one of time division duplex (TDD) and frequency division duplex (FDD) in each CC.
  • TDD time division duplex
  • FDD frequency division duplex
  • the plurality of base stations 10 may be connected by wire (for example, optical fiber, X2 interface, etc. compliant with Common Public Radio Interface (CPRI)) or wirelessly (for example, NR communication).
  • wire for example, optical fiber, X2 interface, etc. compliant with Common Public Radio Interface (CPRI)
  • NR communication for example, when NR communication is used as a backhaul between base stations 11 and 12, base station 11, which is an upper station, is an Integrated Access Backhaul (IAB) donor, and base station 12, which is a relay station, is an IAB donor. May also be called a node.
  • IAB Integrated Access Backhaul
  • the base station 10 may be connected to the core network 30 via another base station 10 or directly.
  • the core network 30 may include, for example, at least one of Evolved Packet Core (EPC), 5G Core Network (5GCN), Next Generation Core (NGC), and the like.
  • EPC Evolved Packet Core
  • 5GCN 5G Core Network
  • NGC Next Generation Core
  • the user terminal 20 may be a terminal compatible with at least one of communication systems such as LTE, LTE-A, and 5G.
  • an orthogonal frequency division multiplexing (OFDM)-based wireless access method may be used.
  • OFDM orthogonal frequency division multiplexing
  • CP-OFDM Cyclic Prefix OFDM
  • DFT-s-OFDM Discrete Fourier Transform Spread OFDM
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single Carrier Frequency Division Multiple Access
  • a wireless access method may also be called a waveform.
  • other wireless access methods for example, other single carrier transmission methods, other multicarrier transmission methods
  • the UL and DL radio access methods may be used as the UL and DL radio access methods.
  • the downlink channels include a physical downlink shared channel (PDSCH) shared by each user terminal 20, a broadcast channel (physical broadcast channel (PBCH)), and a downlink control channel (physical downlink control). Channel (PDCCH)) or the like may be used.
  • PDSCH physical downlink shared channel
  • PBCH physical broadcast channel
  • PDCCH downlink control channel
  • uplink channels include a physical uplink shared channel (PUSCH) shared by each user terminal 20, an uplink control channel (PUCCH), and a random access channel. (Physical Random Access Channel (PRACH)) or the like may be used.
  • PUSCH physical uplink shared channel
  • PUCCH uplink control channel
  • PRACH Physical Random Access Channel
  • User data, upper layer control information, System Information Block (SIB), etc. are transmitted by the PDSCH.
  • User data, upper layer control information, etc. may be transmitted by PUSCH.
  • a Master Information Block (MIB) may be transmitted via the PBCH.
  • Lower layer control information may be transmitted by PDCCH.
  • the lower layer control information may include, for example, downlink control information (DCI) that includes scheduling information for at least one of PDSCH and PUSCH.
  • DCI downlink control information
  • DCI that schedules PDSCH may be called DL assignment, DL DCI, etc.
  • DCI that schedules PUSCH may be called UL grant, UL DCI, etc.
  • PDSCH may be replaced with DL data
  • PUSCH may be replaced with UL data.
  • a control resource set (CONtrol REsource SET (CORESET)) and a search space may be used to detect the PDCCH.
  • CORESET corresponds to a resource for searching DCI.
  • the search space corresponds to a search area and a search method for PDCCH candidates (PDCCH candidates).
  • PDCCH candidates PDCCH candidates
  • One CORESET may be associated with one or more search spaces. The UE may monitor the CORESET associated with a certain search space based on the search space configuration.
  • One search space may correspond to PDCCH candidates corresponding to one or more aggregation levels.
  • One or more search spaces may be referred to as a search space set. Note that “search space”, “search space set”, “search space setting”, “search space set setting”, “CORESET”, “CORESET setting”, etc. in the present disclosure may be read interchangeably.
  • the PUCCH allows channel state information (CSI), delivery confirmation information (for example, may be called Hybrid Automatic Repeat Request ACKnowledgement (HARQ-ACK), ACK/NACK, etc.), and scheduling request ( Uplink Control Information (UCI) including at least one of SR)) may be transmitted.
  • CSI channel state information
  • delivery confirmation information for example, may be called Hybrid Automatic Repeat Request ACKnowledgement (HARQ-ACK), ACK/NACK, etc.
  • UCI Uplink Control Information including at least one of SR
  • a random access preamble for establishing a connection with a cell may be transmitted by PRACH.
  • downlinks, uplinks, etc. may be expressed without adding "link”.
  • various channels may be expressed without adding "Physical” at the beginning.
  • a synchronization signal (SS), a downlink reference signal (DL-RS), and the like may be transmitted.
  • the DL-RS includes a cell-specific reference signal (CRS), a channel state information reference signal (CSI-RS), and a demodulation reference signal (DeModulation).
  • Reference Signal (DMRS)), Positioning Reference Signal (PRS), Phase Tracking Reference Signal (PTRS), etc. may be transmitted.
  • the synchronization signal may be, for example, at least one of a primary synchronization signal (PSS) and a secondary synchronization signal (SSS).
  • a signal block including SS (PSS, SSS) and PBCH (and DMRS for PBCH) may be called an SS/PBCH block, SS Block (SSB), etc. Note that SS, SSB, etc. may also be called reference signals.
  • DMRS Downlink Reference Signal
  • UL-RS uplink reference signals
  • SRS Sounding Reference Signal
  • DMRS demodulation reference signals
  • UE-specific reference signal user terminal-specific reference signal
  • FIG. 14 is a diagram illustrating an example of the configuration of a base station according to an embodiment.
  • the base station 10 includes a control section 110, a transmitting/receiving section 120, a transmitting/receiving antenna 130, and a transmission line interface 140. Note that one or more of each of the control unit 110, the transmitting/receiving unit 120, the transmitting/receiving antenna 130, and the transmission path interface 140 may be provided.
  • this example mainly shows functional blocks that are characteristic of the present embodiment, and it may be assumed that the base station 10 also has other functional blocks necessary for wireless communication. A part of the processing of each unit described below may be omitted.
  • the control unit 110 controls the entire base station 10.
  • the control unit 110 can be configured from a controller, a control circuit, etc., which will be explained based on common recognition in the technical field related to the present disclosure.
  • the control unit 110 may control signal generation, scheduling (e.g., resource allocation, mapping), and the like.
  • the control unit 110 may control transmission and reception, measurement, etc. using the transmitting/receiving unit 120, the transmitting/receiving antenna 130, and the transmission path interface 140.
  • the control unit 110 may generate data, control information, a sequence, etc. to be transmitted as a signal, and may transfer the generated data to the transmitting/receiving unit 120.
  • the control unit 110 may perform communication channel call processing (setting, release, etc.), status management of the base station 10, radio resource management, and the like.
  • the transmitting/receiving section 120 may include a baseband section 121, a radio frequency (RF) section 122, and a measuring section 123.
  • the baseband section 121 may include a transmission processing section 1211 and a reception processing section 1212.
  • the transmitter/receiver unit 120 includes a transmitter/receiver, an RF circuit, a baseband circuit, a filter, a phase shifter, a measurement circuit, a transmitter/receiver circuit, etc., which are explained based on common understanding in the technical field related to the present disclosure. be able to.
  • the transmitting/receiving section 120 may be configured as an integrated transmitting/receiving section, or may be configured from a transmitting section and a receiving section.
  • the transmitting section may include a transmitting processing section 1211 and an RF section 122.
  • the reception section may include a reception processing section 1212, an RF section 122, and a measurement section 123.
  • the transmitting/receiving antenna 130 can be configured from an antenna described based on common recognition in the technical field related to the present disclosure, such as an array antenna.
  • the transmitter/receiver 120 may transmit the above-mentioned downlink channel, synchronization signal, downlink reference signal, etc.
  • the transmitter/receiver 120 may receive the above-mentioned uplink channel, uplink reference signal, and the like.
  • the transmitting/receiving unit 120 may form at least one of a transmitting beam and a receiving beam using digital beamforming (e.g., precoding), analog beamforming (e.g., phase rotation), or the like.
  • digital beamforming e.g., precoding
  • analog beamforming e.g., phase rotation
  • the transmitting/receiving unit 120 (transmission processing unit 1211) performs Packet Data Convergence Protocol (PDCP) layer processing, Radio Link Control (RLC) layer processing (for example, RLC retransmission control), Medium Access Control (MAC) layer processing (for example, HARQ retransmission control), etc. may be performed to generate a bit string to be transmitted.
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control
  • MAC Medium Access Control
  • HARQ retransmission control for example, HARQ retransmission control
  • the transmitting/receiving unit 120 performs channel encoding (which may include error correction encoding), modulation, mapping, filter processing, and discrete Fourier transform (DFT) on the bit string to be transmitted.
  • a baseband signal may be output by performing transmission processing such as processing (if necessary), Inverse Fast Fourier Transform (IFFT) processing, precoding, and digital-to-analog conversion.
  • IFFT Inverse Fast Fourier Transform
  • the transmitting/receiving unit 120 may perform modulation, filter processing, amplification, etc. on the baseband signal in a radio frequency band, and may transmit the signal in the radio frequency band via the transmitting/receiving antenna 130. .
  • the transmitting/receiving section 120 may perform amplification, filter processing, demodulation into a baseband signal, etc. on the radio frequency band signal received by the transmitting/receiving antenna 130.
  • the transmitting/receiving unit 120 (reception processing unit 1212) performs analog-to-digital conversion, fast Fourier transform (FFT) processing, and inverse discrete Fourier transform (IDFT) on the acquired baseband signal. )) processing (if necessary), applying reception processing such as filter processing, demapping, demodulation, decoding (which may include error correction decoding), MAC layer processing, RLC layer processing and PDCP layer processing, User data etc. may also be acquired.
  • FFT fast Fourier transform
  • IDFT inverse discrete Fourier transform
  • the transmitting/receiving unit 120 may perform measurements regarding the received signal.
  • the measurement unit 123 may perform Radio Resource Management (RRM) measurement, Channel State Information (CSI) measurement, etc. based on the received signal.
  • the measurement unit 123 measures received power (for example, Reference Signal Received Power (RSRP)), reception quality (for example, Reference Signal Received Quality (RSRQ), Signal to Interference plus Noise Ratio (SINR), Signal to Noise Ratio (SNR) )) , signal strength (for example, Received Signal Strength Indicator (RSSI)), propagation path information (for example, CSI), etc. may be measured.
  • the measurement results may be output to the control unit 110.
  • the transmission path interface 140 transmits and receives signals (backhaul signaling) between devices included in the core network 30, other base stations 10, etc., and transmits and receives user data (user plane data) for the user terminal 20, control plane It is also possible to acquire and transmit data.
  • the transmitting unit and receiving unit of the base station 10 in the present disclosure may be configured by at least one of the transmitting/receiving unit 120, the transmitting/receiving antenna 130, and the transmission path interface 140.
  • the transmitter/receiver 120 transmits first information regarding a first time unit in which downlink resources and uplink resources are frequency division multiplexed within a specific band, and transmits a first configuration of a physical uplink control channel (PUCCH). You may.
  • the control unit 110 may control reception of the first PUCCH within the first time unit based on the first information and the first setting.
  • the transmitter/receiver 120 transmits information regarding one or more patterns indicating link directions of one or more frequency units within one or more time units in which downlink resources and uplink resources are frequency division multiplexed within a specific band. may be sent.
  • the control unit 110 may control transmission or reception within the one or more time units based on the information.
  • the information may be subject to at least one of the following constraints: available patterns and the number of the one or more patterns.
  • FIG. 15 is a diagram illustrating an example of the configuration of a user terminal according to an embodiment.
  • the user terminal 20 includes a control section 210, a transmitting/receiving section 220, and a transmitting/receiving antenna 230. Note that one or more of each of the control unit 210, the transmitting/receiving unit 220, and the transmitting/receiving antenna 230 may be provided.
  • this example mainly shows functional blocks that are characteristic of the present embodiment, and it may be assumed that the user terminal 20 also has other functional blocks necessary for wireless communication. A part of the processing of each unit described below may be omitted.
  • the control unit 210 controls the entire user terminal 20.
  • the control unit 210 can be configured from a controller, a control circuit, etc., which will be explained based on common recognition in the technical field related to the present disclosure.
  • the control unit 210 may control signal generation, mapping, etc.
  • the control unit 210 may control transmission and reception using the transmitting/receiving unit 220 and the transmitting/receiving antenna 230, measurement, and the like.
  • the control unit 210 may generate data, control information, sequences, etc. to be transmitted as a signal, and may transfer the generated data to the transmitting/receiving unit 220.
  • the transmitting/receiving section 220 may include a baseband section 221, an RF section 222, and a measuring section 223.
  • the baseband section 221 may include a transmission processing section 2211 and a reception processing section 2212.
  • the transmitting/receiving unit 220 can be configured from a transmitter/receiver, an RF circuit, a baseband circuit, a filter, a phase shifter, a measuring circuit, a transmitting/receiving circuit, etc., which are explained based on common recognition in the technical field related to the present disclosure.
  • the transmitting/receiving section 220 may be configured as an integrated transmitting/receiving section, or may be configured from a transmitting section and a receiving section.
  • the transmitting section may include a transmitting processing section 2211 and an RF section 222.
  • the reception section may include a reception processing section 2212, an RF section 222, and a measurement section 223.
  • the transmitting/receiving antenna 230 can be configured from an antenna, such as an array antenna, as described based on common recognition in the technical field related to the present disclosure.
  • the transmitter/receiver 220 may receive the above-mentioned downlink channel, synchronization signal, downlink reference signal, etc.
  • the transmitter/receiver 220 may transmit the above-mentioned uplink channel, uplink reference signal, and the like.
  • the transmitting/receiving unit 220 may form at least one of a transmitting beam and a receiving beam using digital beamforming (e.g., precoding), analog beamforming (e.g., phase rotation), or the like.
  • digital beamforming e.g., precoding
  • analog beamforming e.g., phase rotation
  • the transmission/reception unit 220 (transmission processing unit 2211) performs PDCP layer processing, RLC layer processing (e.g. RLC retransmission control), MAC layer processing (e.g. , HARQ retransmission control), etc., to generate a bit string to be transmitted.
  • RLC layer processing e.g. RLC retransmission control
  • MAC layer processing e.g. , HARQ retransmission control
  • the transmitting/receiving unit 220 (transmission processing unit 2211) performs channel encoding (which may include error correction encoding), modulation, mapping, filter processing, DFT processing (as necessary), and IFFT processing on the bit string to be transmitted. , precoding, digital-to-analog conversion, etc., and output a baseband signal.
  • DFT processing may be based on the settings of transform precoding.
  • the transmitting/receiving unit 220 transmits the above processing in order to transmit the channel using the DFT-s-OFDM waveform.
  • DFT processing may be performed as the transmission processing, or if not, DFT processing may not be performed as the transmission processing.
  • the transmitting/receiving unit 220 may perform modulation, filter processing, amplification, etc. on the baseband signal in a radio frequency band, and may transmit the signal in the radio frequency band via the transmitting/receiving antenna 230. .
  • the transmitting/receiving section 220 may perform amplification, filter processing, demodulation into a baseband signal, etc. on the radio frequency band signal received by the transmitting/receiving antenna 230.
  • the transmission/reception unit 220 (reception processing unit 2212) performs analog-to-digital conversion, FFT processing, IDFT processing (if necessary), filter processing, demapping, demodulation, and decoding (error correction) on the acquired baseband signal. (which may include decoding), MAC layer processing, RLC layer processing, and PDCP layer processing may be applied to obtain user data and the like.
  • the transmitting/receiving unit 220 may perform measurements regarding the received signal.
  • the measurement unit 223 may perform RRM measurement, CSI measurement, etc. based on the received signal.
  • the measurement unit 223 may measure received power (for example, RSRP), reception quality (for example, RSRQ, SINR, SNR), signal strength (for example, RSSI), propagation path information (for example, CSI), and the like.
  • the measurement results may be output to the control unit 210.
  • the transmitting unit and receiving unit of the user terminal 20 in the present disclosure may be configured by at least one of the transmitting/receiving unit 220 and the transmitting/receiving antenna 230.
  • the transceiver 220 determines the link direction (e.g., D/U/F) for the first time resource (e.g., time unit) and the availability of some frequency resources within the first time resource (e.g., (partial availability, partial availability, partial unavailability).
  • the control unit 210 may control uplink transmission or downlink reception in the frequency resource within the first time resource based on the instruction.
  • the availability includes that the frequency resource is available for downlink, that the frequency resource is unavailable for downlink, that the frequency resource is available for uplink, and that the frequency resource is available for uplink. It may also indicate that the frequency resource is unavailable for uplink.
  • the transmitting/receiving unit 220 configures a first setting of a first type of channel or signal for the first time resource, and a second setting of the first type of channel or reference signal for the second time resource whose availability is not indicated. and may be received.
  • the control unit 210 controls transmission or reception of the first type of channel or reference signal in the first time resource based on the first setting, and controls transmission or reception of the first type of channel or reference signal in the first time resource based on the second setting. The transmission or reception of the first type of channel or reference signal may be controlled.
  • Transmission or reception of the second type of channel or signal takes place in the time resources whose availability is not indicated and may not take place in the first time resources.
  • the transmitter/receiver 220 performs frequency division multiplexing (FDM) on downlink resources (e.g., DL frequency unit) and uplink resources (e.g., UL frequency unit) within a specific band (e.g., one CC/BWP).
  • FDM frequency division multiplexing
  • downlink resources e.g., DL frequency unit
  • uplink resources e.g., UL frequency unit
  • a specific band e.g., one CC/BWP
  • receiving first information e.g., XDD UL/DL pattern/frequency domain pattern configuration/indication
  • a first time unit e.g., XDD time unit
  • the control unit 210 may control transmission of the first PUCCH within the first time unit based on the first information and the first setting (Embodiment #0/#2).
  • Receive second information (e.g., TDD UL/DL pattern setting/instruction) regarding a second time unit (e.g., pure time unit) in which downlink resources and uplink resources are not frequency division multiplexed within the specific band; , a second configuration of PUCCH in the second time unit (eg, a PUCCH configuration for pure time unit) may be received.
  • the control unit 210 may control transmission of the second PUCCH within the second time unit based on the second information and the first setting.
  • the transmitter/receiver 220 receives second information regarding a second time unit in which downlink resources and uplink resources are not frequency division multiplexed within the specific band, and configures a second configuration of PUCCH in the second time unit. You may receive it.
  • the control unit 210 may control transmission of the second PUCCH within the second time unit based on the second information and the second setting.
  • the control unit 210 controls the first PUCCH based on at least one of whether the first PUCCH is associated with downlink control information and whether the first PUCCH overlaps with the second time unit.
  • the transmission of the data may be controlled.
  • the transmitter/receiver 220 transmits one of one or more time units (e.g., XDD time unit) in which downlink resources and uplink resources are frequency division multiplexed within a specific band (e.g., one CC/BWP).
  • Information (settings/instructions) regarding one or more patterns (eg, frequency domain patterns) indicating link directions (eg, D/L/X) of the above frequency units may be received.
  • the control unit 210 may control transmission or reception within the one or more time units based on the information.
  • the information may be subject to at least one constraint of available patterns and the number of the one or more patterns (Embodiment #1).
  • control unit 210 may control transmission or reception within the one or more time units based on another pattern.
  • the constraint is that some or all of the plurality of patterns include uplink resources, or that some of the plurality of patterns include a minimum bandwidth. It is also possible to have the following.
  • the constraint may be the maximum value of the number.
  • each functional block may be realized using one physically or logically coupled device, or may be realized using two or more physically or logically separated devices directly or indirectly (e.g. , wired, wireless, etc.) and may be realized using a plurality of these devices.
  • the functional block may be realized by combining software with the one device or the plurality of devices.
  • functions include judgment, decision, judgement, calculation, calculation, processing, derivation, investigation, exploration, confirmation, reception, transmission, output, access, solution, selection, selection, establishment, comparison, assumption, expectation, and consideration. , broadcasting, notifying, communicating, forwarding, configuring, reconfiguring, allocating, mapping, assigning, etc.
  • a functional block (configuration unit) that performs transmission may be called a transmitting unit, a transmitter, or the like. In either case, as described above, the implementation method is not particularly limited.
  • a base station, a user terminal, etc. in an embodiment of the present disclosure may function as a computer that performs processing of the wireless communication method of the present disclosure.
  • FIG. 16 is a diagram illustrating an example of the hardware configuration of a base station and a user terminal according to an embodiment.
  • the base station 10 and user terminal 20 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, etc. .
  • the hardware configuration of the base station 10 and the user terminal 20 may be configured to include one or more of each device shown in the figure, or may be configured not to include some of the devices.
  • processor 1001 may be implemented using one or more chips.
  • Each function in the base station 10 and the user terminal 20 is performed by, for example, loading predetermined software (program) onto hardware such as a processor 1001 and a memory 1002, so that the processor 1001 performs calculations and communicates via the communication device 1004. This is achieved by controlling at least one of reading and writing data in the memory 1002 and storage 1003.
  • predetermined software program
  • the processor 1001 operates an operating system to control the entire computer.
  • the processor 1001 may be configured by a central processing unit (CPU) that includes interfaces with peripheral devices, a control device, an arithmetic unit, registers, and the like.
  • CPU central processing unit
  • the above-mentioned control unit 110 (210), transmitting/receiving unit 120 (220), etc. may be realized 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 in accordance with these.
  • programs program codes
  • software modules software modules
  • data etc.
  • the control unit 110 may be realized by a control program stored in the memory 1002 and operated in the processor 1001, and other functional blocks may also be realized in the same way.
  • the memory 1002 is a computer-readable recording medium, and includes at least one of Read Only Memory (ROM), Erasable Programmable ROM (EPROM), Electrically EPROM (EEPROM), Random Access Memory (RAM), and other suitable storage media. It may be composed of one. Memory 1002 may be called a register, cache, main memory, or the like.
  • the memory 1002 can store executable programs (program codes), software modules, and the like to implement a wireless communication method according to an embodiment of the present disclosure.
  • the storage 1003 is a computer-readable recording medium, such as a flexible disk, a floppy (registered trademark) disk, a magneto-optical disk (for example, a compact disk (CD-ROM), etc.), a digital versatile disk, removable disk, hard disk drive, smart card, flash memory device (e.g., card, stick, key drive), magnetic stripe, database, server, or other suitable storage medium. It may be configured by Storage 1003 may also be called an auxiliary storage device.
  • a computer-readable recording medium such as a flexible disk, a floppy (registered trademark) disk, a magneto-optical disk (for example, a compact disk (CD-ROM), etc.), a digital versatile disk, removable disk, hard disk drive, smart card, flash memory device (e.g., card, stick, key drive), magnetic stripe, database, server, or other suitable storage medium. It may be configured by Storage 1003 may also be called an auxiliary storage device.
  • the communication device 1004 is hardware (transmission/reception device) for communicating between computers via at least one of a wired network and a wireless network, and is also referred to as a network device, network controller, network card, communication module, etc., for example.
  • the communication device 1004 includes, for example, 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). It may be configured to include.
  • FDD frequency division duplex
  • TDD time division duplex
  • the transmitter/receiver 120 (220) may be physically or logically separated into a transmitter 120a (220a) and a receiver 120b (220b).
  • the input device 1005 is an input device (eg, keyboard, mouse, microphone, switch, button, sensor, etc.) that accepts input from the outside.
  • the output device 1006 is an output device (for example, a display, a speaker, a light emitting diode (LED) lamp, etc.) that performs output to the outside. Note that the input device 1005 and the output device 1006 may have an integrated configuration (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 for each device.
  • the base station 10 and user terminal 20 also include a microprocessor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a programmable logic device (PLD), a field programmable gate array (FPGA), etc. It may be configured to include hardware, and a part or all of each functional block may be realized using the hardware. For example, processor 1001 may be implemented using at least one of these hardwares.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • PLD programmable logic device
  • FPGA field programmable gate array
  • channel, symbol and signal may be interchanged.
  • the signal may be a message.
  • the reference signal may also be abbreviated as RS, and may be called a pilot, pilot signal, etc. depending on the applicable standard.
  • a component carrier CC may be called a cell, a frequency carrier, a carrier frequency, or the like.
  • a radio frame may be composed of one or more periods (frames) in the time domain.
  • Each of the one or more periods (frames) constituting a radio frame may be called a subframe.
  • a subframe may be composed of one or more slots in the time domain.
  • a subframe may have a fixed time length (eg, 1 ms) that does not depend on numerology.
  • the numerology may be a communication parameter applied to at least one of transmission and reception of a certain signal or channel.
  • Numerology includes, for example, subcarrier spacing (SCS), bandwidth, symbol length, cyclic prefix length, transmission time interval (TTI), number of symbols per TTI, and radio frame configuration. , a specific filtering process performed by the transceiver in the frequency domain, a specific windowing process performed by the transceiver in the time domain, etc.
  • a slot may be composed of one or more symbols (Orthogonal Frequency Division Multiplexing (OFDM) symbols, Single Carrier Frequency Division Multiple Access (SC-FDMA) symbols, etc.) in the time domain. Furthermore, a slot may be a time unit based on numerology.
  • OFDM Orthogonal Frequency Division Multiplexing
  • SC-FDMA Single Carrier Frequency Division Multiple Access
  • a slot may include multiple mini-slots. Each minislot may be made up of one or more symbols in the time domain. Furthermore, a mini-slot may also be called a sub-slot. A minislot may be made up of fewer symbols than a slot.
  • PDSCH (or PUSCH) transmitted in time units larger than minislots may be referred to as PDSCH (PUSCH) mapping type A.
  • PDSCH (or PUSCH) transmitted using minislots may be referred to as PDSCH (PUSCH) mapping type B.
  • Radio frames, subframes, slots, minislots, and symbols all represent time units when transmitting signals. Other names may be used for the radio frame, subframe, slot, minislot, and symbol. Note that time units such as frames, subframes, slots, minislots, and symbols in the present disclosure may be read interchangeably.
  • one subframe may be called a TTI
  • a plurality of consecutive subframes may be called a TTI
  • one slot or one minislot may be called a TTI.
  • at least one of the subframe and TTI may be a subframe (1ms) in existing LTE, a period shorter than 1ms (for example, 1-13 symbols), or a period longer than 1ms. It may be.
  • the unit representing the TTI may be called a slot, minislot, etc. instead of a subframe.
  • TTI refers to, for example, the minimum time unit for scheduling in wireless communication.
  • a base station 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.
  • radio resources frequency bandwidth, transmission power, etc. that can be used by each user terminal
  • the TTI may be a transmission time unit of a channel-coded data packet (transport block), a code block, a codeword, etc., or may be a processing unit of scheduling, link adaptation, etc. Note that when a TTI is given, the time interval (for example, the number of symbols) to which transport blocks, code blocks, code words, etc. are actually mapped may be shorter than the TTI.
  • one slot or one minislot is called a TTI
  • one or more TTIs may be the minimum time unit for scheduling.
  • the number of slots (minislot number) that constitutes 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 3GPP Rel. 8-12), normal TTI, long TTI, normal subframe, normal subframe, long subframe, slot, etc.
  • TTI TTI in 3GPP Rel. 8-12
  • normal TTI long TTI
  • normal subframe normal subframe
  • long subframe slot
  • TTI that is shorter than the normal TTI may be referred to as an abbreviated TTI, short TTI, partial or fractional TTI, shortened subframe, short subframe, minislot, subslot, slot, etc.
  • long TTI for example, normal TTI, subframe, etc.
  • short TTI for example, short TTI, etc. It may also be read as a TTI having the above TTI length.
  • a resource block is a resource allocation unit in the time domain and frequency domain, and may include one or more continuous subcarriers (subcarriers) in the frequency domain.
  • the number of subcarriers included in an RB may be the same regardless of the numerology, and may be 12, for example.
  • the number of subcarriers included in an RB may be determined based on numerology.
  • an RB may include one or more symbols in the time domain, and may have a length of one slot, one minislot, one subframe, or one TTI.
  • One TTI, one subframe, etc. may each be composed of one or more resource blocks.
  • one or more RBs include a physical resource block (Physical RB (PRB)), a sub-carrier group (SCG), a resource element group (REG), a PRB pair, and an RB. They may also be called pairs.
  • PRB Physical RB
  • SCG sub-carrier group
  • REG resource element group
  • PRB pair an RB. They may also be called pairs.
  • a resource block may be configured by one or more resource elements (REs).
  • REs resource elements
  • 1 RE may be a radio resource region of 1 subcarrier and 1 symbol.
  • Bandwidth Part (also called partial bandwidth, etc.) refers to a subset of consecutive common resource blocks (RB) for a certain numerology in a certain carrier.
  • the common RB may be specified by an RB index based on a common reference point of the carrier.
  • PRBs may be defined in a BWP and numbered within that BWP.
  • BWP may include UL BWP (BWP for UL) and DL BWP (BWP for DL).
  • BWP UL BWP
  • BWP for DL DL BWP
  • One or more BWPs may be configured within one carrier for a UE.
  • At least one of the configured BWPs may be active and the UE may not expect to transmit or receive a given signal/channel outside of the active BWP.
  • “cell”, “carrier”, etc. in the present disclosure may be replaced with "BWP”.
  • the structures of the radio frame, subframe, slot, minislot, symbol, etc. described above are merely examples.
  • the number of subframes included in a radio frame, the number of slots per subframe or radio frame, the number of minislots included in a slot, the number of symbols and RBs included in a slot or minislot, the number of symbols included in an RB The number of subcarriers, the number of symbols within a TTI, the symbol length, the cyclic prefix (CP) length, and other configurations can be changed in various ways.
  • radio resources may be indicated by a predetermined index.
  • data, instructions, commands, information, signals, bits, symbols, chips, etc. which may be referred to throughout the above description, may refer to voltages, currents, electromagnetic waves, magnetic fields or magnetic particles, light fields or photons, or any of these. It may also be represented by a combination of
  • information, signals, etc. may be output from the upper layer to the lower layer and from the lower layer to at least one of the upper layer.
  • Information, signals, etc. may be input and output via multiple network nodes.
  • Input/output information, signals, etc. may be stored in a specific location (for example, memory) or may be managed using a management table. Information, signals, etc. that are input and output can be overwritten, updated, or added. The output information, signals, etc. may be deleted. The input information, signals, etc. may be transmitted to other devices.
  • Notification of information is not limited to the aspects/embodiments described in this disclosure, and may be performed using other methods.
  • the notification of information in this disclosure may be physical layer signaling (e.g., Downlink Control Information (DCI), Uplink Control Information (UCI)), upper layer signaling (e.g., Radio Resource Control (RRC) signaling, broadcast information (Master Information Block (MIB), System Information Block (SIB), etc.), Medium Access Control (MAC) signaling), other signals, or a combination thereof It may be carried out by physical layer signaling (e.g., Downlink Control Information (DCI), Uplink Control Information (UCI)), upper layer signaling (e.g., Radio Resource Control (RRC) signaling, broadcast information (Master Information Block (MIB), System Information Block (SIB), etc.), Medium Access Control (MAC) signaling), other signals, or a combination thereof It may be carried out by
  • the physical layer signaling may also be called Layer 1/Layer 2 (L1/L2) control information (L1/L2 control signal), L1 control information (L1 control signal), etc.
  • RRC signaling may be called an RRC message, and may be, for example, an RRC Connection Setup message, an RRC Connection Reconfiguration message, or the like.
  • MAC signaling may be notified using, for example, a MAC Control Element (CE).
  • CE MAC Control Element
  • notification of prescribed information is not limited to explicit notification, but may be made implicitly (for example, by not notifying the prescribed information or by providing other information) (by notification).
  • the determination may be made by a value expressed by 1 bit (0 or 1), or by a boolean value expressed by true or false. , may be performed by numerical comparison (for example, comparison with a predetermined value).
  • Software includes instructions, instruction sets, code, code segments, program code, programs, subprograms, software modules, whether referred to as software, firmware, middleware, microcode, hardware description language, or by any other name. , should be broadly construed to mean an application, software application, software package, routine, subroutine, object, executable, thread of execution, procedure, function, etc.
  • software, instructions, information, etc. may be sent and received via a transmission medium.
  • a transmission medium such as coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), etc.
  • wired technology such as coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), etc.
  • wireless technology such as infrared, microwave, etc.
  • Network may refer to devices (eg, base stations) included in the network.
  • precoding "precoding weight”
  • QCL quadsi-co-location
  • TCI state "Transmission Configuration Indication state
  • space space
  • spatial relation "spatial domain filter”
  • transmission power "phase rotation”
  • antenna port "antenna port group”
  • layer "number of layers”
  • Terms such as “rank”, “resource”, “resource set”, “resource group”, “beam”, “beam width”, “beam angle”, “antenna”, “antenna element”, and “panel” are interchangeable.
  • Base Station BS
  • Wireless base station Wireless base station
  • Fixed station NodeB
  • eNB eNodeB
  • gNB gNodeB
  • Access point "Transmission Point (TP)”, “Reception Point (RP)”, “Transmission/Reception Point (TRP)”, “Panel”
  • cell “sector,” “cell group,” “carrier,” “component carrier,” and the like
  • a base station is sometimes referred to by terms such as macrocell, small cell, femtocell, and picocell.
  • a base station can accommodate one or more (eg, three) cells. If a base station accommodates multiple cells, the overall coverage area of the base station can be partitioned into multiple smaller areas, and each smaller area is connected to a base station subsystem (e.g., an indoor small base station (Remote Radio Communication services can also be provided by the Head (RRH)).
  • a base station subsystem e.g., an indoor small base station (Remote Radio Communication services can also be provided by the Head (RRH)
  • RRH Remote Radio Communication services
  • the term “cell” or “sector” refers to part or all of the coverage area of a base station and/or base station subsystem that provides communication services in this coverage.
  • MS Mobile Station
  • UE User Equipment
  • a mobile station is a subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, mobile terminal, wireless terminal, remote terminal. , handset, user agent, mobile client, client, or some other suitable terminology.
  • At least one of a base station and a mobile station may be called a transmitting device, a receiving device, a wireless communication device, etc.
  • a transmitting device may be called a transmitting device, a receiving device, a wireless communication device, etc.
  • the base station and the mobile station may be a device mounted on a moving object, the moving object itself, or the like.
  • the moving body refers to a movable object, and the moving speed is arbitrary, and naturally includes cases where the moving body is stopped.
  • the mobile objects include, for example, vehicles, transport vehicles, automobiles, motorcycles, bicycles, connected cars, excavators, bulldozers, wheel loaders, dump trucks, forklifts, trains, buses, carts, rickshaws, and ships (ships and other watercraft). , including, but not limited to, airplanes, rockets, artificial satellites, drones, multicopters, quadcopters, balloons, and items mounted thereon.
  • the mobile object may be a mobile object that autonomously travels based on a travel command.
  • the moving object may be a vehicle (for example, a car, an airplane, etc.), an unmanned moving object (for example, a drone, a self-driving car, etc.), or a robot (manned or unmanned). ).
  • a vehicle for example, a car, an airplane, etc.
  • an unmanned moving object for example, a drone, a self-driving car, etc.
  • 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 Internet of Things (IoT) device such as a sensor.
  • IoT Internet of Things
  • FIG. 17 is a diagram illustrating an example of a vehicle according to an embodiment.
  • the vehicle 40 includes a drive unit 41, a steering unit 42, an accelerator pedal 43, a brake pedal 44, a shift lever 45, left and right front wheels 46, left and right rear wheels 47, an axle 48, an electronic control unit 49, various sensors (current sensor 50, (including a rotation speed sensor 51, an air pressure sensor 52, a vehicle speed sensor 53, an acceleration sensor 54, an accelerator pedal sensor 55, a brake pedal sensor 56, a shift lever sensor 57, and an object detection sensor 58), an information service section 59, and a communication module 60. Be prepared.
  • the drive unit 41 is composed of, for example, at least one of an engine, a motor, and a hybrid of an engine and a motor.
  • the steering unit 42 includes at least a steering wheel (also referred to as a steering wheel), and is configured to steer at least one of the front wheels 46 and the rear wheels 47 based on the operation of the steering wheel operated by the user.
  • the electronic control unit 49 includes a microprocessor 61, a memory (ROM, RAM) 62, and a communication port (for example, an input/output (IO) port) 63. Signals from various sensors 50-58 provided in the vehicle are input to the electronic control unit 49.
  • the electronic control section 49 may be called an electronic control unit (ECU).
  • the signals from the various sensors 50 to 58 include a current signal from the current sensor 50 that senses the current of the motor, a rotation speed signal of the front wheel 46/rear wheel 47 obtained by the rotation speed sensor 51, and a signal obtained by the air pressure sensor 52.
  • air pressure signals of the front wheels 46/rear wheels 47 a vehicle speed signal acquired by the vehicle speed sensor 53, an acceleration signal acquired by the acceleration sensor 54, a depression amount signal of the accelerator pedal 43 acquired by the accelerator pedal sensor 55, and a brake pedal sensor.
  • 56 a shift lever 45 operation signal obtained by the shift lever sensor 57, and an object detection sensor 58 for detecting obstacles, vehicles, pedestrians, etc. There are signals etc.
  • the information service department 59 includes various devices such as car navigation systems, audio systems, speakers, displays, televisions, and radios that provide (output) various information such as driving information, traffic information, and entertainment information, and these devices. It consists of one or more ECUs that control the The information service unit 59 provides various information/services (for example, multimedia information/multimedia services) to the occupants of the vehicle 40 using information acquired from an external device via the communication module 60 or the like.
  • various information/services for example, multimedia information/multimedia services
  • the information service unit 59 may include an input device (for example, a keyboard, a mouse, a microphone, a switch, a button, a sensor, a touch panel, etc.) that accepts input from the outside, and an output device that performs output to the outside (for example, display, speaker, LED lamp, touch panel, etc.).
  • an input device for example, a keyboard, a mouse, a microphone, a switch, a button, a sensor, a touch panel, etc.
  • an output device that performs output to the outside (for example, display, speaker, LED lamp, touch panel, etc.).
  • the driving support system unit 64 includes millimeter wave radar, Light Detection and Ranging (LiDAR), a camera, a positioning locator (for example, Global Navigation Satellite System (GNSS), etc.), and map information (for example, High Definition (HD)). maps, autonomous vehicle (AV) maps, etc.), gyro systems (e.g., inertial measurement units (IMUs), inertial navigation systems (INS), etc.), artificial intelligence ( Artificial Intelligence (AI) chips, AI processors, and other devices that provide functions to prevent accidents and reduce the driver's driving burden, as well as one or more devices that control these devices. It consists of an ECU. Further, the driving support system section 64 transmits and receives various information via the communication module 60, and realizes a driving support function or an automatic driving function.
  • LiDAR Light Detection and Ranging
  • GNSS Global Navigation Satellite System
  • HD High Definition
  • maps for example, autonomous vehicle (AV) maps, etc.
  • gyro systems e.g.,
  • the communication module 60 can communicate with the microprocessor 61 and components of the vehicle 40 via the communication port 63.
  • the communication module 60 communicates via the communication port 63 with a drive unit 41, a steering unit 42, an accelerator pedal 43, a brake pedal 44, a shift lever 45, left and right front wheels 46, left and right rear wheels 47, which are included in the vehicle 40.
  • Data (information) is transmitted and received between the axle 48, the microprocessor 61 and memory (ROM, RAM) 62 in the electronic control unit 49, and various sensors 50-58.
  • the communication module 60 is a communication device that can be controlled by the microprocessor 61 of the electronic control unit 49 and can communicate with external devices. For example, various information is transmitted and received with an external device via wireless communication.
  • the communication module 60 may be located either inside or outside the electronic control unit 49.
  • the external device may be, for example, the base station 10, user terminal 20, etc. described above.
  • the communication module 60 may be, for example, at least one of the base station 10 and the user terminal 20 described above (it may function as at least one of the base station 10 and the user terminal 20).
  • the communication module 60 receives signals from the various sensors 50 to 58 described above that are input to the electronic control unit 49, information obtained based on the signals, and input from the outside (user) obtained via the information service unit 59. At least one of the information based on the information may be transmitted to an external device via wireless communication.
  • the electronic control unit 49, various sensors 50-58, information service unit 59, etc. may be called an input unit that receives input.
  • the PUSCH transmitted by the communication module 60 may include information based on the above input.
  • the communication module 60 receives various information (traffic information, signal information, inter-vehicle information, etc.) transmitted from an external device, and displays it on the information service section 59 provided in the vehicle.
  • the information service unit 59 is an output unit that outputs information (for example, outputs information to devices such as a display and a speaker based on the PDSCH (or data/information decoded from the PDSCH) received by the communication module 60). may be called.
  • the communication module 60 also stores various information received from external devices into a memory 62 that can be used by the microprocessor 61. Based on the information stored in the memory 62, the microprocessor 61 controls the drive unit 41, steering unit 42, accelerator pedal 43, brake pedal 44, shift lever 45, left and right front wheels 46, and left and right rear wheels provided in the vehicle 40. 47, axle 48, various sensors 50-58, etc. may be controlled.
  • the base station in the present disclosure may be replaced by a user terminal.
  • communication between a base station and a user terminal is replaced with communication between multiple user terminals (for example, it may be called Device-to-Device (D2D), Vehicle-to-Everything (V2X), etc.).
  • D2D Device-to-Device
  • V2X Vehicle-to-Everything
  • each aspect/embodiment of the present disclosure may be applied.
  • the user terminal 20 may have the functions that the base station 10 described above has.
  • words such as "uplink” and “downlink” may be replaced with words corresponding to inter-terminal communication (for example, "sidelink”).
  • uplink channels, downlink channels, etc. may be replaced with sidelink channels.
  • the user terminal in the present disclosure may be replaced with a base station.
  • the base station 10 may have the functions that the user terminal 20 described above has.
  • the operations performed by the base station may be performed by its upper node in some cases.
  • various operations performed for communication with a terminal may be performed by the base station, one or more network nodes other than the base station (e.g. It is clear that this can be performed by a Mobility Management Entity (MME), a Serving-Gateway (S-GW), etc. (though not limited thereto), or a combination thereof.
  • MME Mobility Management Entity
  • S-GW Serving-Gateway
  • Each aspect/embodiment described in this disclosure may be used alone, in combination, or may be switched and used in accordance with execution. Further, the order of the processing procedures, sequences, flowcharts, etc. of each aspect/embodiment described in this disclosure may be changed as long as there is no contradiction. For example, the methods described in this disclosure use an example order to present elements of the various steps and are not limited to the particular order presented.
  • LTE Long Term Evolution
  • LTE-A LTE-Advanced
  • LTE-B LTE-Beyond
  • SUPER 3G IMT-Advanced
  • 4G 4th generation mobile communication system
  • 5G 5th generation mobile communication system
  • 6G 6th generation mobile communication system
  • xG x is an integer or decimal number, for example
  • Future Radio Access FAA
  • RAT New-Radio Access Technology
  • NR New Radio
  • NX New Radio Access
  • FX Future Generation Radio Access
  • G Global System for Mobile Communications
  • CDMA2000 Ultra Mobile Broadband
  • UMB Ultra Mobile Broadband
  • IEEE 802 .11 Wi-Fi (registered trademark)
  • IEEE 802.16 WiMAX (registered trademark)
  • IEEE 802.20 Ultra-WideBand (UWB), Bluetooth (registered trademark), and other appropriate wireless communication methods.
  • the present invention may be applied to systems to be used, next-generation systems expanded, modified, created, or defined based on these
  • the phrase “based on” does not mean “based solely on” unless explicitly stated otherwise. In other words, the phrase “based on” means both “based only on” and “based at least on.”
  • any reference to elements using the designations "first,” “second,” etc. does not generally limit the amount or order of those elements. These designations may be used in this disclosure as a convenient way to distinguish between two or more elements. Thus, reference to a first and second element does not imply that only two elements may be employed or that the first element must precede the second element in any way.
  • determining may encompass a wide variety of actions. For example, “judgment” can mean judging, calculating, computing, processing, deriving, investigating, looking up, search, inquiry ( For example, searching in a table, database, or other data structure), ascertaining, etc. may be considered to be “determining.”
  • judgment (decision) includes receiving (e.g., receiving information), transmitting (e.g., sending information), input (input), output (output), access ( may be considered to be “determining”, such as accessing data in memory (eg, accessing data in memory).
  • judgment is considered to mean “judging” resolving, selecting, choosing, establishing, comparing, etc. Good too.
  • judgment (decision) may be considered to be “judgment (decision)” of some action.
  • connection refers to any connection or coupling, direct or indirect, between two or more elements.
  • the coupling or connection between elements may be physical, logical, or a combination thereof. For example, "connection” may be replaced with "access.”
  • microwave when two elements are connected, they may be connected using one or more electrical wires, cables, printed electrical connections, etc., as well as in the radio frequency domain, microwave can be considered to be “connected” or “coupled” to each other using electromagnetic energy having wavelengths in the light (both visible and invisible) range.
  • a and B are different may mean “A and B are different from each other.” Note that the term may also mean that "A and B are each different from C”. Terms such as “separate” and “coupled” may also be interpreted similarly to “different.”

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
PCT/JP2022/014588 2022-03-25 2022-03-25 端末、無線通信方法及び基地局 Ceased WO2023181392A1 (ja)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018537890A (ja) * 2015-10-22 2018-12-20 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ 拡張マシンタイプ通信（ｅＭＴＣ）のためのＨＡＲＱおよび制御チャネルタイミング
KR20210090420A (ko) * 2020-01-10 2021-07-20 삼성전자주식회사 무선 통신 시스템에서 기준 신호 송수신 방법 및 장치
US20220052882A1 (en) * 2020-08-13 2022-02-17 Qualcomm Incorporated Methods and apparatus for sounding reference signal enhancements for subband full-duplex

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018537890A (ja) * 2015-10-22 2018-12-20 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ 拡張マシンタイプ通信（ｅＭＴＣ）のためのＨＡＲＱおよび制御チャネルタイミング
KR20210090420A (ko) * 2020-01-10 2021-07-20 삼성전자주식회사 무선 통신 시스템에서 기준 신호 송수신 방법 및 장치
US20220052882A1 (en) * 2020-08-13 2022-02-17 Qualcomm Incorporated Methods and apparatus for sounding reference signal enhancements for subband full-duplex

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