WO2023135746A1 - Terminal, procédé de communication sans fil et station de base - Google Patents

Terminal, procédé de communication sans fil et station de base Download PDF

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Publication number
WO2023135746A1
WO2023135746A1 PCT/JP2022/001139 JP2022001139W WO2023135746A1 WO 2023135746 A1 WO2023135746 A1 WO 2023135746A1 JP 2022001139 W JP2022001139 W JP 2022001139W WO 2023135746 A1 WO2023135746 A1 WO 2023135746A1
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Prior art keywords
resource
measurement
information
resources
reference signal
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PCT/JP2022/001139
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English (en)
Japanese (ja)
Inventor
浩樹 原田
大輔 栗田
真由子 岡野
康介 島
真哉 岡村
知也 小原
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株式会社Ｎｔｔドコモ
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Priority to PCT/JP2022/001139 priority Critical patent/WO2023135746A1/fr
Publication of WO2023135746A1 publication Critical patent/WO2023135746A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities

Definitions

  • the present disclosure relates to terminals, wireless communication methods, and base stations in next-generation mobile communication systems.
  • LTE Long Term Evolution
  • 3GPP Rel. 10-14 LTE-Advanced (3GPP Rel. 10-14) has been specified for the purpose of further increasing the capacity and sophistication of LTE (Third Generation Partnership Project (3GPP) Release (Rel.) 8, 9).
  • LTE successor systems for example, 5th generation mobile communication system (5G), 5G+ (plus), 6th generation mobile communication system (6G), New Radio (NR), 3GPP Rel. 15 and later
  • 5G 5th generation mobile communication system
  • 5G+ 5th generation mobile communication system
  • 6G 6th generation mobile communication system
  • NR New Radio
  • uplink (UL) resources will be insufficient compared to downlink (DL) resources.
  • one of the objects of the present disclosure is to provide a terminal, a wireless communication method, and a base station that improve resource utilization efficiency.
  • a terminal provides resource configuration information for which downlink (DL) resources and uplink (UL) resources can be frequency division multiplexed, and information about time resources of DL reference signals for measurement. Based on at least one of the receiving unit to receive, the resource configuration information, the information on the time resource, and a report of capability information on measurement of the DL reference signal for measurement, the DL reference signal for measurement and a control unit for controlling the measurement based on.
  • DL downlink
  • UL uplink
  • resource utilization efficiency can be improved.
  • FIG. 1A and 1B are diagrams showing an example of slot configuration settings.
  • FIG. 2 is a diagram illustrating an example of the configuration of XDD.
  • 3A and 3B are diagrams illustrating an example of time domain and frequency domain resource configuration for XDD operation.
  • FIG. 4 is a diagram illustrating an example of measurements in XDD resources.
  • 5A and 5B are diagrams illustrating an example of XDD resource settings according to the first embodiment.
  • FIG. 6 is a diagram illustrating an example of a combination of DL reception and UL transmission that allows simultaneous transmission and reception according to the second embodiment.
  • 7A and 7B are diagrams illustrating an example of XDD resource settings according to the third embodiment.
  • FIG. 8 is a diagram illustrating an example of a schematic configuration of a radio communication system according to an embodiment.
  • FIG. 9 is a diagram illustrating an example of the configuration of a base station according to one embodiment.
  • FIG. 10 is a diagram illustrating an example of the configuration of a user terminal according to one embodiment.
  • FIG. 11 is a diagram illustrating an example of hardware configurations of a base station and a user terminal according to one embodiment.
  • FIG. 12 is a diagram illustrating an example of a vehicle according to one embodiment;
  • unlicensed band In unlicensed bands (eg, 2.4 GHz band, 5 GHz band, 6 GHz band, etc., may be called unlicensed spectrum, shared spectrum), for example, Wi-Fi system, Licensed-Assisted Access (LAA) is supported Since it is assumed that a plurality of systems such as a system (LAA system) coexist, transmission collision avoidance and/or interference control among the plurality of systems is considered necessary.
  • LAA Licensed-Assisted Access
  • LAA the data transmission device, before transmitting data in the unlicensed band, other devices (eg, base stations, user terminals, Wi-Fi devices, etc.) of Perform listening to check for transmission.
  • the listening includes Listen Before Talk (LBT), Clear Channel Assessment (CCA), carrier sense, channel sensing, sensing, channel access procedure, shared spectrum channel access procedure, energy It may be called detection (Energy Detection (ED)) or the like.
  • LBT Listen Before Talk
  • CCA Clear Channel Assessment
  • carrier sense channel sensing, sensing, channel access procedure, shared spectrum channel access procedure, energy It may be called detection (Energy Detection (ED)) or the like.
  • the transmitting device may be, for example, a base station (eg, gNodeB (gNB), may also be referred to as a network (NW)) on the downlink (DL) and a user terminal (UE) on the uplink (UL). good.
  • the receiving device that receives data from the transmitting device may be, for example, a user terminal in DL and a base station (NW) in UL.
  • the transmitting device is detected that there is no transmission of other devices in the LBT (idle state) for a predetermined period (eg, immediately after or backoff period) after starting data transmission .
  • Future wireless communication systems for example, 5G, 5G+, New Radio (NR), 3GPP Rel. 15 and later are also considering the use of unlicensed bands.
  • An NR system using an unlicensed band may be called an NR-Unlicensed (U) system, an NR LAA system, or the like.
  • NR-U may also include dual connectivity (DC) between licensed and unlicensed bands, stand-alone (SA) for unlicensed bands, and the like.
  • DC dual connectivity
  • SA stand-alone
  • a node eg, base station, UE
  • the base station eg, gNB
  • the base station acquires a transmission opportunity (TxOP) and transmits when the LBT result is idle.
  • TxOP transmission opportunity
  • the base station or UE does not transmit if the LBT result is busy (LBT-busy).
  • the time of transmission opportunity may be referred to as the Channel Occupancy Time (COT).
  • COT Channel Occupancy Time
  • LBT-idle may be read as LBT success.
  • LBT-busy may be read as LBT failure.
  • 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 delay reduction.
  • the DL and UL resource ratio is fixed (eg, 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 with TDD up to 16, there may be cases where the transmission opportunities for UL signals/channels are less than the reception opportunities for DL signals/channels. In such a case, the UE may not be able to transmit UL signals/channels frequently, which may cause delays in transmission of critical UL signals/channels. Signal/channel congestion at UL transmission opportunities is also a concern, as there are fewer UL transmission opportunities compared to DL reception opportunities. Furthermore, in TDD, the time resource for transmitting UL signals/channels is limited, so the application of UL coverage extension technology by, for example, repetition transmission (Repetition) is also limited.
  • the division duplex method may be called XDD (Cross Division Duplex).
  • XDD may refer to a duplexing method that frequency division multiplexes the DL and UL within one component carrier (CC) of the TDD band or on multiple CCs (DL and UL can be used simultaneously). If the duplexing method is applied to multiple CCs, it may mean that UL is available on another CC in time resources where DL is available on another CC.
  • the plurality of CCs may be CCs in the same band.
  • Fig. 1A shows the Rel. 16 is a diagram showing an example of setting of TDD defined up to 16.
  • FIG. 1A a UE is configured with TDD slots/symbols in the bandwidth of one component carrier (CC) (cell, which may also be called a serving cell).
  • CC component carrier
  • the time ratio between DL slots and UL slots is 4:1.
  • FIG. 1B is a diagram showing an example of the configuration of XDD.
  • resources used for DL reception and resources used for UL transmission overlap in time within one component carrier (CC).
  • CC component carrier
  • both ends of the frequency domain in one CC are configured as DL, and by configuring the DL to sandwich the UL resource, cross-link interference with neighboring carriers (Cross It is possible to avoid and mitigate the occurrence of Link Interference (CLI). Also, 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 XDD.
  • a part of the DL resource of the TDD band is used as the UL resource, and the DL and the UL are partially overlapped in terms of time.
  • each of the multiple UEs receives the DL channel/signal during the DL-only period.
  • a certain UE performs reception of the DL channel / signal, and another UE (UE # 2 in the example of FIG. 2 ) carries out the transmission of the UL channels/signals.
  • the base station performs simultaneous DL and UL transmission and reception.
  • each of the multiple UEs transmits UL channels/signals.
  • the DL frequency resource and UL frequency resource in the UE carrier are set as DL bandwidth part (BWP) and UL BWP, respectively. be.
  • BWP DL bandwidth part
  • UL BWP UL bandwidth part
  • the time resource in the TDD carrier for UE is configured as at least one of DL, UL and flexible (FL) in TDD configuration.
  • time domain and frequency domain resources for XDD operation are being considered. For example, for UE #1 in FIG. 2, by setting the XDD resource (the period in which DL and UL overlap) in the same way as the existing DL resource (for example, using frequency domain resource allocation (FDRA) (while avoiding using part of the UL resource for the UE), the impact on the specification/UE can be minimized (see Figure 3A).
  • FDRA frequency domain resource allocation
  • XDD resources are configured in the same way as existing UL resources (for example, frequency domain resource allocation (FDRA) is used to use the DL resource part (while avoiding FDRA).
  • FDRA frequency domain resource allocation
  • the terminal performs measurement (which may also be referred to as measurement or measurement operation).
  • a resource on which a DL reference signal eg, at least one of a synchronization signal block (SSB) and a channel state information reference signal (CSI-RS)
  • CSI-RS channel state information reference signal
  • a received signal strength eg, a Received Signal Strength Indicator (RSSI )
  • RSSI Received Signal Strength Indicator
  • the UE performs measurements in the DL resources. be able to.
  • FIG. 4 is a diagram showing an example of measurements in XDD resources.
  • XDD resources are configured for multiple UEs (UE#1 and UE#2) as shown in FIG.
  • UE#1 performs DL reception
  • UE#2 performs UL transmission in the XDD resource of FIG.
  • UE#1 and UE#2 use different time resources for making measurements. In such a case, sufficient consideration has not been given as to how to implement the measurement operation.
  • UEs are considering performing (supporting) DL reception and UL transmission in the same time resource.
  • DL reception and UL transmission in the same time resource transmission and reception in which DL reception resource and UL transmission resource are frequency division multiplexed (FDM), simultaneous transmission and reception operation, simultaneous transmission and reception, full duplex (FD) communication , subband non-overlapping full duplex, subband non-overlapping full duplex communication, XDD, XDD communication, XDD operation, time frequency division multiplexing, time frequency division multiplexing communication, time frequency division multiplexing operation , may be read interchangeably.
  • FDM frequency division multiplexed
  • FD full duplex
  • FD full duplex
  • subband non-overlapping full duplex subband non-overlapping full duplex
  • subband non-overlapping full duplex communication subband non-overlapping full duplex communication
  • XDD XDD communication
  • XDD operation time frequency division multiplexing
  • time frequency division multiplexing communication time frequency division multiplexing operation
  • Sub-band non-overlapping full-duplex communication may be performed on the XDD resources described above.
  • the UE performs at least one of reception of data / control information from any cell and measurement operation targeting a plurality of cells including neighboring cells. can be considered.
  • the UE can transmit data/control information to any cell, and UL reference signals (eg, for measurements) and It is conceivable to perform at least one of transmission of PRACH and
  • the functions required of the UE are common or different. Insufficient consideration of whether In addition, whether or not it is possible to simultaneously perform transmission and DL reception operations of the UL reference signal/random access channel for measurement, which uses a beam different from the data, and simultaneous transmission and reception of data with the serving cell can be performed. Regarding whether or not it is possible, there is not sufficient consideration of whether the functions required of the UE are the same or different.
  • the band (TDD band) in which the XDD configuration is used includes the unlicensed band (unlicensed band, unlicensed TDD band, NR-Unlicensed (U) system, or shared spectrum) frequency.
  • the inclusion of obi is being considered.
  • the following problems may occur if the UE starts UL transmission in some bands (frequency resources) There is: - If the UL transmission is started without LBT, interference will occur. • The received power of the DL channel/signal impacts the LBT band including XDD resources, and the LBT for UL transmission fails. - Setting the guard period (time resource) / guard subcarrier (frequency resource) to avoid the above interference / LBT failure suppresses the efficiency of resource utilization.
  • ... in the present disclosure may mean any one of ... or a combination thereof (that is, ... may be read as either one or a combination thereof).
  • A/B and “at least one of A and B” may be read interchangeably. Also, in the present disclosure, “A/B/C” may mean “at least one of A, B and C.”
  • activate, deactivate, indicate (or indicate), select, configure, update, determine, etc. may be read interchangeably.
  • supporting, controlling, controllable, operating, capable of operating, etc. may be read interchangeably.
  • Radio Resource Control RRC
  • RRC parameters RRC parameters
  • RRC messages higher layer parameters
  • information elements IEs
  • settings etc.
  • MAC Control Element CE
  • update command activation/deactivation command, etc.
  • higher layer signaling may be, for example, Radio Resource Control (RRC) signaling, Medium Access Control (MAC) signaling, broadcast information, or a combination thereof.
  • RRC Radio Resource Control
  • MAC Medium Access Control
  • MAC signaling may use, for example, MAC Control Element (MAC CE), MAC Protocol Data Unit (PDU), and the like.
  • Broadcast information includes, for example, Master Information Block (MIB), System Information Block (SIB), Remaining Minimum System Information (RMSI), and other system information ( It may be Other System Information (OSI).
  • MIB Master Information Block
  • SIB System Information Block
  • RMSI Remaining Minimum System Information
  • OSI System Information
  • the physical layer signaling may be, for example, downlink control information (DCI), uplink control information (UCI), or the like.
  • DCI downlink control information
  • UCI uplink control information
  • indices, identifiers (ID), indicators, resource IDs, etc. may be read interchangeably.
  • sequences, lists, sets, groups, groups, clusters, subsets, etc. may be read interchangeably.
  • channel, signal, reference signal, and channel/signal may be read interchangeably.
  • reception of DL channels/signals, DL reception, and DL transmission may be read interchangeably.
  • UL channel/signal transmission, UL transmission, and UL reception may be read interchangeably.
  • XDD resources may be configured/indicated to the UE using higher layer signaling (RRC signaling/MAC CE) and/or physical layer signaling (DCI).
  • RRC signaling/MAC CE higher layer signaling
  • DCI physical layer signaling
  • the higher layer signaling may be a specific RRC parameter/MAC CE field.
  • the specific RRC parameter/MAC CE field may be an XDD-configured parameter or a TDD-configured parameter.
  • an XDD resource may mean a resource in which a DL resource and a UL resource overlap (FDM) in time.
  • the duplication of the DL resource and the UL resource may mean that all of the DL resource and the UL resource are duplicated, or that some of the DL resource and the UL resource are duplicated.
  • measurements / measurements are Radio Resource Management (RRM) measurements, CLI measurements, measurements of system frame number and frame timing difference (System Frame Number (SFN) and Frame Timing Difference), received power / received It may mean at least one of quality (eg, L1-RSRP/SINR) measurement, channel state information (CSI) measurement, and positioning measurement.
  • RRM Radio Resource Management
  • CLI CLI measurements
  • SFN System Frame Number
  • SFN System Frame Number
  • CSI channel state information
  • the UE may assume/expect that XDD resources are not configured in specific time resources associated with DL reference signals (eg, DL reference signals for measurement). Also, the UE may not assume/expect that the XDD resource will be configured in a specific time resource associated with the DL reference signal (eg, DL reference signal for measurement).
  • a specific time resource associated with the DL reference signal is, for example, a time resource (e.g., symbol) to which the DL reference signal is mapped, a specific number of temporally before/after including the time resource to which the DL reference signal is mapped. (eg, 1) time resources (eg, symbols) and/or time resources (eg, slots) including DL reference signals.
  • the DL reference signal may be at least one of SSB, CSI-RS, CSI-RS for mobility, RSSI measurement resource, and PRS.
  • the time resource of the DL reference signal may be configured by a higher layer parameter/DCI.
  • the UE for the time resources of the configured DL reference signal (or a specific number of temporally forward / backward time resources including the time resources, slots including the time resources), the XDD resource is It may be assumed that it is not set.
  • the UE may assume/expect that the XDD resource will be configured in a specific time resource associated with the DL reference signal.
  • the UE does not need to perform measurements based on DL reference signals that overlap in the time domain with XDD resources (or report measurements based on DL reference signals). Also, the UE may not receive the DL reference signal. Also, the UE may ignore the configuration/instruction regarding reception of DL reference signals.
  • the time resources/XDD resources of the DL reference signal may be configured separately by higher layer parameters/DCI.
  • the UE does not need to perform measurements based on the DL reference signal (or report measurements based on the DL reference signal).
  • the UE may perform measurements based on some resources of the DL reference signal that do not overlap with the XDD resources (or report measurements based on the part of the resources).
  • the UE may report UE Capability Information regarding measurements in XDD resources.
  • the UE capability information may be defined by whether or not the UE can perform measurements on XDD resources.
  • the UE When the UE reports the UE capability information (for example, information indicating that the XDD resource can be measured), the UE assumes/expects that the XDD resource is configured in a specific time resource related to the DL reference signal. You may
  • a specific time resource associated with the DL reference signal is, for example, a time resource (e.g., symbol) to which the DL reference signal is mapped, a specific number of temporally before/after including the time resource to which the DL reference signal is mapped. (eg, 1) time resources (eg, symbols) and/or time resources (eg, slots) including DL reference signals.
  • the DL reference signal may be at least one of SSB, CSI-RS, CSI-RS for mobility, RSSI measurement resource, and PRS.
  • the UE may determine whether to ignore the configuration of XDD resources that overlap with the DL reference signal based on specific higher layer signaling. The UE may decide to ignore the configuration of XDD resources that overlap with the DL reference signal if certain higher layer parameters are received.
  • the UE capability information may be defined for a specific frequency range (eg, FR2) or defined separately for each frequency range (eg, FR1/FR2 (FR2-1/FR2-2)). may be
  • FIGS. 5A and 5B are diagrams showing an example of XDD resource settings according to the first embodiment.
  • XDD resources are not configured in symbols to which DL reference signals are mapped.
  • XDD resources can be configured in resources other than symbols to which DL reference signals are mapped.
  • XDD resources are not configured in slots to which DL reference signals are mapped.
  • XDD resources can be configured in resources other than slots to which DL reference signals are mapped.
  • UE capability information for subband non-overlapping full duplex is described.
  • the UE may report UE capability information regarding subband non-overlapping full duplex to the network (eg, base station).
  • the network eg, base station
  • the UE capability information may be defined by whether or not subband non-overlapping full-duplex is supported.
  • Subband non-overlapping full duplex may be performed on XDD resources.
  • the UE/base station may follow at least one of embodiments 2-1 to 2-3 below.
  • the DL reception may include reception of DL reception for measurement (DL reference signal for measurement).
  • the UE may simultaneously perform DL reception and UL transmission for predefined DL reception and UL transmission combinations.
  • UE capability information for subband non-overlapping full-duplex, a combination of DL reception and UL transmission capable of simultaneous transmission and reception may be defined.
  • the DL reception may not include reception of DL reception for measurement (DL reference signal for measurement).
  • the first capability information may not indicate that DL reception and UL transmission for measurement can be performed simultaneously.
  • the UE may simultaneously perform DL reception and UL transmission for predefined DL reception and UL transmission combinations.
  • UE capability information (second capability information) regarding subband non-overlapping full-duplex may be defined separately from the first capability information.
  • the second capability information may indicate that DL reception including DL reception for measurement and UL transmission can be performed simultaneously.
  • the UE may report on the UE capability information for subband non-overlapping full-duplex whether or not it supports predefined DL reception and UL transmission combinations.
  • the UE may report which combination of predefined DL reception and UL transmission combinations it supports for UE capability information regarding subband non-overlapping full-duplex.
  • the UE capability information for subband non-overlapping full-duplex may be defined by which combination of predefined DL reception and UL transmission combinations is supported.
  • a combination of DL reception and UL transmission may include a combination including reception of DL reference signals for measurements.
  • a combination of DL reception and UL transmission may include a combination including transmission of UL reference signals (which may include PRACH) for measurement.
  • capability information about whether to support simultaneous transmission and reception of a combination including reception of DL reference signals for measurement, and support for simultaneous transmission and reception of combinations including transmission of UL reference signals for measurement (which may include PRACH)
  • the capability information regarding whether or not to perform may be specified as separate capability information or may be specified as common capability information.
  • FIG. 6 is a diagram showing an example of a combination of DL reception and UL transmission capable of simultaneous transmission and reception according to the second embodiment.
  • a UE reporting UE capability information for subband non-overlapping full duplex may support all combinations defined in the specification.
  • a UE reporting UE capability information (eg, first capability information) for subband non-overlapping full-duplex uses DL for measurement out of all combinations specified in the specification.
  • a combination that does not include reception/transmission of /UL reference signals may be supported.
  • the UE reporting UE capability information (eg, first capability information) for subband non-overlapping full duplex selects a specific combination among all combinations specified in the specification. may support.
  • DL data reception, DL control reception, measurement DL reference signal reception, and non-measurement DL reference signal reception are defined as DL reception
  • UL transmission is defined as UL data transmission, UL control transmission, and measurement.
  • UL reference signal transmission for non-measurement and UL reference signal transmission for non-measurement are defined.
  • DL data reception may be interchanged with DL data, PDSCH, and signals transmitted using PDSCH.
  • DL control reception may be interchanged with DL control information, PDCCH, CORESET, search space set, DCI, and signals transmitted using PDCCH.
  • the measurement DL reference signal reception includes measurement DL reference signals, synchronization signals, synchronization signal blocks, cell-specific reference signals (CRS), channel state information reference signals (Channel State Information Reference signal (CSI-RS)), CSI-RS for mobility, demodulation reference signal (DMRS), positioning reference signal (PRS), phase tracking reference signal (Phase Tracking Reference Signal (PTRS)), Tracking Reference Signal (TRS)), and at least one of RSSI measurement resources.
  • CRS cell-specific reference signals
  • CSI-RS Channel State Information Reference signal
  • CSI-RS Channel State Information Reference signal
  • DMRS demodulation reference signal
  • PRS positioning reference signal
  • phase tracking reference signal Phase Tracking Reference Signal
  • TRS Tracking Reference Signal
  • non-measurement DL reference signal reception includes non-measurement DL reference signals, synchronization signals, synchronization signal blocks, CRS, CSI-RS, CSI-RS for mobility, DMRS, PRS, PTRS, and TRS. , may be interchanged with at least one of
  • UL data transmission may be interchanged with UL data, PUSCH, and a signal transmitted using PUSCH.
  • UL control transmission may be interchanged with UL control information, PUCCH, a signal transmitted using PUCCH, and UCI.
  • the measurement UL reference signal transmission includes a measurement UL reference signal, a measurement reference signal (SRS), a PRS, a demodulation reference signal (DMRS), a PRACH, a random access channel, and a random PUSCH for the access response.
  • SRS measurement reference signal
  • PRS measurement reference signal
  • DMRS demodulation reference signal
  • non-measurement UL reference signal transmission may be interchanged with at least one of SRS, PRS, DMRS, PRACH, random access channel, and PUSCH for random access response.
  • a UE may not support a combination including reception of DL reference signals for measurement, even when reporting UE capability information. Also, for example, a UE may not support a combination including UL reference signal transmission for measurement even when reporting UE capability information.
  • the UE may report UE capability information regarding whether transmission and reception in the serving cell are possible during the measurement gap.
  • the capability information may be included in the UE capability information regarding subband non-overlapping full-duplex described above, or may be defined as separate capability information from the UE capability information regarding sub-band non-overlapping full-duplex.
  • the third embodiment describes the operation of XDD using unlicensed bands (shared spectrum).
  • the UE may receive information that configures/instructs use of unlicensed bands.
  • the third embodiment is subdivided into embodiments 3-1 and 3-2 described below.
  • the UE may follow at least one method described in Embodiment 3-1 or 3-2.
  • XDD resources may not be configured in the unlicensed TDD band.
  • the unlicensed TDD band may not be used in XDD resources.
  • a UE may assume that unlicensed TDD bands are not utilized in XDD resources.
  • XDD resources may not be configured in the unlicensed TDD band.
  • the UE may receive information about performing LBT (sensing) in the unlicensed TDD band.
  • the information may be information instructing to perform LBT, may be information instructing not to perform LBT.
  • XDD resources may be configured in the unlicensed TDD band.
  • the UE may decide not to perform LBT (sensing) and any UL transmissions in the unlicensed TDD band.
  • XDD resources may be configured in the unlicensed TDD band.
  • the UE may comply with at least one of embodiments 3-2-1 to 3-2-3 described below.
  • FDM of DL/UL resources may be performed using specific frequency resource widths.
  • a specific resource may be defined as the width of the frequency resource of the DL resource/UL resource (see FIG. 7A).
  • the UE may assume/expect/judgment to use a specific resource as the frequency resource width of the DL resource/UL resource for the XDD resource in the unlicensed TDD band.
  • the specific resource may be the bandwidth (eg, 20 MHz width) where LBT (sensing) is performed.
  • the specific resource may be called a resource block set (RB set).
  • a guard band may be set at the boundary between the DL resource and the UL resource in the XDD resource (see FIG. 7B).
  • the bandwidth of the frequency resource of the guard band may be specified in advance, or may be notified to the UE by higher layer signaling.
  • guard bands guard frequencies, guard subcarriers, and frequency resources (bands/subcarriers) for which resources are not configured may be read interchangeably.
  • FDM of DL/UL resources may be performed using specific frequency resource widths.
  • a specific resource may be defined as the width of the frequency resource of the DL resource/UL resource.
  • the UE may assume/expect/judgment to use a specific resource as the frequency resource width of the DL resource/UL resource for the XDD resource in the unlicensed TDD band.
  • the specific resource may have a bandwidth smaller than the bandwidth in which LBT (sensing) is performed (eg, 20 MHz width).
  • the particular resource may have a smaller bandwidth than a resource block set (RB set).
  • DL resources and DL resources may be FDMed within a bandwidth (eg, 20 MHz width) where LBT (sensing) is performed.
  • At least one of the above embodiments 3-1 and 3-2 includes a first unlicensed band (eg, 60 GHz band unlicensed band) and a second unlicensed band (eg, 5/6 GHz band unlicensed band ) and may be commonly applied to
  • a first unlicensed band eg, 60 GHz band unlicensed band
  • a second unlicensed band eg, 5/6 GHz band unlicensed band
  • At least one of the above embodiments 3-1 and 3-2 includes a first unlicensed band (eg, 60 GHz band unlicensed band) and a second unlicensed band (eg, 5/6 GHz band unlicensed band ) and may be applied separately to .
  • a first unlicensed band eg, 60 GHz band unlicensed band
  • a second unlicensed band eg, 5/6 GHz band unlicensed band
  • XDD resource configuration may be allowed in the case of channel access without LBT (sensing).
  • any of the above embodiments 3-1 and 3-2 based on whether the UE supports simultaneous transmission and reception (eg, whether to report UE capability information for subband non-overlapping full duplex) may apply. For example, if the UE supports simultaneous transmission and reception, Embodiment 3-2 above may be applied.
  • the third embodiment it is possible to prevent inappropriate interference from occurring in unlicensed bands due to XDD operation.
  • wireless communication system A 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 radio communication methods according to the above embodiments of the present disclosure or a combination thereof.
  • FIG. 8 is a diagram showing an example of a schematic configuration of a wireless communication system according to one 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 also support dual connectivity between multiple Radio Access Technologies (RATs) (Multi-RAT Dual Connectivity (MR-DC)).
  • RATs Radio Access Technologies
  • MR-DC is dual connectivity between LTE (Evolved Universal Terrestrial Radio Access (E-UTRA)) and NR (E-UTRA-NR Dual Connectivity (EN-DC)), dual connectivity between NR and LTE (NR-E -UTRA Dual Connectivity (NE-DC)), etc.
  • RATs Radio Access Technologies
  • MR-DC is dual connectivity between LTE (Evolved Universal Terrestrial Radio Access (E-UTRA)) and NR (E-UTRA-NR Dual Connectivity (EN-DC)), dual connectivity between NR and LTE (NR-E -UTRA Dual Connectivity (NE-DC)), etc.
  • LTE 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 (MN), and the NR base station (gNB) is the secondary node (SN).
  • the NR base station (gNB) is the MN, and 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) in which both MN and SN are NR base stations (gNB) )) may be supported.
  • dual connectivity NR-NR Dual Connectivity (NN-DC) in which both MN and SN are NR base stations (gNB)
  • gNB NR base stations
  • a wireless communication system 1 includes a base station 11 forming a macrocell C1 with a relatively wide coverage, and base stations 12 (12a-12c) arranged in the macrocell C1 and forming a small cell C2 narrower than the macrocell C1. You may prepare.
  • a user terminal 20 may be located within at least one cell. The arrangement, number, etc. of each cell and user terminals 20 are not limited to the embodiment shown in the figure.
  • the base stations 11 and 12 are collectively referred to as the base station 10 when not distinguished.
  • the user terminal 20 may connect to at least one of the multiple base stations 10 .
  • the user terminal 20 may utilize 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 the first frequency band (Frequency Range 1 (FR1)) and the second frequency band (Frequency Range 2 (FR2)).
  • Macrocell C1 may be included in FR1, and 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 for example, FR1 may correspond to a higher frequency band than FR2.
  • 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
  • a plurality of base stations 10 may be connected by wire (for example, an optical fiber conforming to Common Public Radio Interface (CPRI), X2 interface, etc.) or wirelessly (for example, NR communication).
  • wire for example, an optical fiber conforming to Common Public Radio Interface (CPRI), X2 interface, etc.
  • NR communication for example, when NR communication is used as a backhaul between the base stations 11 and 12, the base station 11 corresponding to the upper station is an Integrated Access Backhaul (IAB) donor, and the base station 12 corresponding to the relay station (relay) is an IAB Also called a node.
  • IAB Integrated Access Backhaul
  • relay station relay station
  • the base station 10 may be connected to the core network 30 directly or via another base station 10 .
  • 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 schemes such as LTE, LTE-A, and 5G.
  • a radio access scheme based on orthogonal frequency division multiplexing 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 radio access method may be called a waveform.
  • other radio access schemes for example, other single-carrier transmission schemes and other multi-carrier transmission schemes
  • the UL and DL radio access schemes may be used as the UL and DL radio access schemes.
  • a downlink shared channel Physical Downlink Shared Channel (PDSCH)
  • PDSCH Physical Downlink Shared Channel
  • PBCH Physical Broadcast Channel
  • PDCCH Physical Downlink Control Channel
  • an uplink shared channel (PUSCH) shared by each user terminal 20 an uplink control channel (PUCCH), a random access channel (Physical Random Access Channel (PRACH)) or the like may be used.
  • PUSCH 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, higher layer control information, and the like may be transmitted by PUSCH.
  • a Master Information Block (MIB) may be transmitted by the PBCH.
  • Lower layer control information may be transmitted by the PDCCH.
  • the lower layer control information may include, for example, downlink control information (DCI) including scheduling information for at least one of PDSCH and PUSCH.
  • DCI downlink control information
  • the DCI that schedules PDSCH may be called DL assignment, DL DCI, etc.
  • the 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 (CControl Resource SET (CORESET)) and a search space (search space) may be used for PDCCH detection.
  • CORESET corresponds to a resource searching for DCI.
  • the search space corresponds to the search area and search method of PDCCH candidates.
  • a CORESET may be associated with one or more search spaces. The UE may monitor CORESETs associated with certain search spaces based on the search space settings.
  • 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.
  • PUCCH channel state information
  • acknowledgment information for example, Hybrid Automatic Repeat reQuest ACKnowledgement (HARQ-ACK), ACK/NACK, etc.
  • SR scheduling request
  • a random access preamble for connection establishment with a cell may be transmitted by the PRACH.
  • downlink, uplink, etc. may be expressed without adding "link”.
  • various channels may be expressed without adding "Physical" to the head.
  • synchronization signals SS
  • downlink reference signals DL-RS
  • the DL-RS includes a cell-specific reference signal (CRS), a channel state information reference signal (CSI-RS), a demodulation reference signal (DeModulation Reference Signal (DMRS)), Positioning Reference Signal (PRS)), Phase Tracking Reference Signal (PTRS)), etc.
  • CRS cell-specific reference signal
  • CSI-RS channel state information reference signal
  • DMRS Demodulation reference signal
  • PRS Positioning Reference Signal
  • PTRS Phase Tracking Reference Signal
  • the synchronization signal may be, for example, at least one of a Primary Synchronization Signal (PSS) and a Secondary Synchronization Signal (SSS).
  • PSS Primary Synchronization Signal
  • SSS Secondary Synchronization Signal
  • a signal block including SS (PSS, SSS) and PBCH (and DMRS for PBCH) may be called SS/PBCH block, SS Block (SSB), and so on.
  • SS, SSB, etc. may also be referred to as reference signals.
  • DMRS may also be called a user terminal-specific reference signal (UE-specific reference signal).
  • FIG. 9 is a diagram illustrating an example of the configuration of a base station according to one embodiment.
  • the base station 10 comprises a control section 110 , a transmission/reception section 120 , a transmission/reception antenna 130 and a transmission line interface 140 .
  • 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 the functional blocks of the features 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 base station 10 as a whole.
  • the control unit 110 can be configured from a controller, a control circuit, and the like, which are explained based on common recognition in the technical field according to the present disclosure.
  • the control unit 110 may control signal generation, scheduling (for example, resource allocation, mapping), and the like.
  • the control unit 110 may control transmission/reception, measurement, etc. using the transmission/reception unit 120 , the transmission/reception antenna 130 and the transmission line interface 140 .
  • the control unit 110 may generate data to be transmitted as a signal, control information, a sequence, etc., and transfer them to the transmission/reception unit 120 .
  • the control unit 110 may perform call processing (setup, release, etc.) of communication channels, state management of the base station 10, management of radio resources, 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 transmitting/receiving unit 120 is configured from a transmitter/receiver, an RF circuit, a baseband circuit, a filter, a phase shifter, a measurement circuit, a transmitting/receiving circuit, etc., which are explained based on common recognition in the technical field according to the present disclosure. be able to.
  • the transmission/reception unit 120 may be configured as an integrated transmission/reception unit, or may be configured from a transmission unit and a reception unit.
  • the transmission section may be composed of the transmission processing section 1211 and the RF section 122 .
  • the receiving section may be composed of 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 transmitting/receiving unit 120 may transmit the above-described downlink channel, synchronization signal, downlink reference signal, and the like.
  • the transmitting/receiving unit 120 may receive the above-described uplink channel, uplink reference signal, and the like.
  • the transmitting/receiving unit 120 may form at least one of the transmission beam and the reception beam using digital beamforming (eg, precoding), analog beamforming (eg, phase rotation), or the like.
  • digital beamforming eg, precoding
  • analog beamforming eg, phase rotation
  • the transmission/reception 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 transmission/reception unit 120 (transmission processing unit 1211) performs channel coding (which may include error correction coding), modulation, mapping, filtering, and discrete Fourier transform (DFT) on the bit string to be transmitted. Processing (if necessary), Inverse Fast Fourier Transform (IFFT) processing, precoding, transmission processing such as digital-to-analog conversion may be performed, and the baseband signal may be output.
  • channel coding which may include error correction coding
  • modulation modulation
  • mapping mapping
  • filtering filtering
  • DFT discrete Fourier transform
  • DFT discrete Fourier transform
  • the transmitting/receiving unit 120 may perform modulation to a radio frequency band, filter processing, amplification, and the like on the baseband signal, and may transmit the radio frequency band signal via the transmitting/receiving antenna 130. .
  • the transmitting/receiving unit 120 may perform amplification, filtering, demodulation to a baseband signal, etc. on the radio frequency band signal received by the transmitting/receiving antenna 130.
  • the transmission/reception unit 120 (reception processing unit 1212) performs analog-to-digital conversion, Fast Fourier transform (FFT) processing, and Inverse Discrete Fourier transform (IDFT) processing on the acquired baseband signal. )) processing (if necessary), filtering, demapping, demodulation, decoding (which may include error correction decoding), MAC layer processing, RLC layer processing and PDCP layer processing. User data and the like may be acquired.
  • FFT Fast Fourier transform
  • IDFT Inverse Discrete Fourier transform
  • the transmitting/receiving unit 120 may measure 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)), channel information (for example, CSI), and the like may be measured.
  • RSRP Reference Signal Received Power
  • RSSQ Reference Signal Received Quality
  • SINR Signal to Noise Ratio
  • RSSI Received Signal Strength Indicator
  • channel information for example, CSI
  • the transmission path interface 140 transmits and receives signals (backhaul signaling) to and from devices included in the core network 30, other base stations 10, etc., and user data (user plane data) for the user terminal 20, control plane data, and the like. Data and the like may be obtained, transmitted, and the like.
  • 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 line interface 140.
  • Transmitting/receiving section 120 transmits configuration information of resources (XDD resources) in which downlink (DL) resources and uplink (UL) resources can be frequency-division multiplexed, and information on time resources of DL reference signals for measurement.
  • XDD resources configuration information of resources
  • DL downlink
  • UL uplink
  • Control section 110 uses at least one of the configuration information of the resource, the information on the time resource, and the report of capability information on measurement of the DL reference signal for measurement, to the DL reference signal for measurement. Based measurement may be set (first embodiment).
  • the transmitting/receiving unit 120 may receive capability information indicating whether simultaneous transmission/reception of a specific downlink (DL) signal and a specific uplink (UL) signal is possible.
  • the control unit 110 may control simultaneous transmission and reception of the specific DL signal and the specific UL signal in resources (XDD resources) in which DL resources and UL resources can be frequency division multiplexed (second embodiment ).
  • Transmitting/receiving section 120 stores first configuration information regarding the use of frequencies to which shared spectrum channel access is applied, and resources (XDD resources) in which downlink (DL) resources and uplink (UL) resources can be frequency division multiplexed. and second setting information to be set may be transmitted.
  • the control unit 110 may use the first setting information and the second setting information to set the use of resources capable of frequency division multiplexing in the frequencies to which the shared spectrum channel access is applied (third embodiment).
  • FIG. 10 is a diagram illustrating an example of the configuration of a user terminal according to one embodiment.
  • the user terminal 20 includes a control section 210 , a transmission/reception section 220 and a transmission/reception antenna 230 .
  • 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 the functional blocks of the features 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 user terminal 20 as a whole.
  • the control unit 210 can be configured from a controller, a control circuit, and the like, which are explained based on common recognition in the technical field according to the present disclosure.
  • the control unit 210 may control signal generation, mapping, and the like.
  • the control unit 210 may control transmission/reception, measurement, etc. using the transmission/reception unit 220 and the transmission/reception antenna 230 .
  • the control unit 210 may generate data, control information, sequences, etc. to be transmitted as signals and transfer them to the transmission/reception unit 220 .
  • the transmitting/receiving section 220 may include a baseband section 221 , an RF section 222 and a measurement 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 according to the present disclosure.
  • the transmission/reception unit 220 may be configured as an integrated transmission/reception unit, or may be configured from a transmission unit and a reception unit.
  • the transmission section may be composed of a transmission processing section 2211 and an RF section 222 .
  • the receiving 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 described based on common recognition in the technical field related to the present disclosure, such as an array antenna.
  • the transmitting/receiving unit 220 may receive the above-described downlink channel, synchronization signal, downlink reference signal, and the like.
  • the transmitting/receiving unit 220 may transmit the above-described uplink channel, uplink reference signal, and the like.
  • the transmitter/receiver 220 may form at least one of the transmission beam and the reception beam using digital beamforming (eg, precoding), analog beamforming (eg, phase rotation), or the like.
  • digital beamforming eg, precoding
  • analog beamforming eg, phase rotation
  • the transmitting/receiving unit 220 (transmission processing unit 2211) performs PDCP layer processing, RLC layer processing (eg, RLC retransmission control), MAC layer processing (eg, , HARQ retransmission control) and the like may be performed to generate a bit string to be transmitted.
  • RLC layer processing eg, RLC retransmission control
  • MAC layer processing eg, HARQ retransmission control
  • the transmission/reception unit 220 (transmission processing unit 2211) performs channel coding (which may include error correction coding), modulation, mapping, filtering, DFT processing (if necessary), and IFFT processing on a bit string to be transmitted. , precoding, digital-analog conversion, and other transmission processing may be performed, and the baseband signal may be output.
  • Whether or not to apply DFT processing may be based on transform precoding settings. Transmitting/receiving unit 220 (transmission processing unit 2211), for a certain channel (for example, PUSCH), if transform precoding is enabled, the above to transmit the channel using the DFT-s-OFDM waveform
  • the DFT process may be performed as the transmission process, or otherwise the DFT process may not be performed as the transmission process.
  • the transmitting/receiving unit 220 may perform modulation to a radio frequency band, filter processing, amplification, and the like on the baseband signal, and may transmit the radio frequency band signal via the transmitting/receiving antenna 230. .
  • the transmitting/receiving section 220 may perform amplification, filtering, demodulation to 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), filtering, demapping, demodulation, decoding (error correction) on the acquired baseband signal. decoding), MAC layer processing, RLC layer processing, PDCP layer processing, and other reception processing may be applied to acquire user data and the like.
  • the transmitting/receiving section 220 may measure the received signal.
  • the measurement unit 223 may perform RRM measurement, CSI measurement, etc. based on the received signal.
  • the measuring unit 223 may measure received power (eg, RSRP), received quality (eg, RSRQ, SINR, SNR), signal strength (eg, RSSI), channel information (eg, CSI), and the like.
  • the measurement result may be output to control section 210 .
  • the transmitter and receiver of the user terminal 20 in the present disclosure may be configured by at least one of the transmitter/receiver 220 and the transmitter/receiver antenna 230 .
  • the transmitting/receiving unit 220 receives configuration information of resources (XDD resources) in which downlink (DL) resources and uplink (UL) resources can be frequency-division-multiplexed, and information on time resources of DL reference signals for measurement.
  • XDD resources configuration information of resources
  • DL downlink
  • UL uplink
  • the control unit 210 may assume that the resource capable of frequency division multiplexing is not set in the measurement DL reference signal resource (first embodiment).
  • control section 210 When the resource of the DL reference signal for measurement and the resource that can be frequency-division multiplexed overlap in the time domain, control section 210 performs measurement based on the resource of the DL reference signal for measurement in the overlapping time domain. may be controlled not to perform (first embodiment).
  • the control unit 210 When reporting the capability information related to the measurement of the DL reference signal for measurement, the control unit 210 assumes that the resource capable of frequency division multiplexing can be configured in the time resource of the DL reference signal for measurement. Good (first embodiment).
  • the transmitting/receiving unit 220 may transmit capability information indicating whether simultaneous transmission/reception of a specific downlink (DL) signal and a specific uplink (UL) signal is possible.
  • the control unit 210 may control simultaneous transmission and reception of the specific DL signal and the specific UL signal in a resource (XDD resource) in which the DL resource and the UL resource can be frequency division multiplexed (second implementation form).
  • the specific DL signal may be any DL signal, and the specific UL signal may be any UL signal (second embodiment).
  • the specific DL signal may be a DL signal that does not include a DL reference signal for measurement
  • the specific UL signal may be a UL signal that does not include a UL reference signal for measurement (second embodiment).
  • Transmitting/receiving unit 220 may transmit other capability information indicating whether at least one of the reception of the specific DL signal and the transmission of the specific UL signal is possible in the serving cell during the period of the measurement gap (the second embodiment).
  • Transmitting/receiving section 220 stores first configuration information regarding the use of frequencies to which shared spectrum channel access is applied, and resources (XDD resources) in which downlink (DL) resources and uplink (UL) resources can be frequency division multiplexed. Second setting information to be set may be received. Based on the first configuration information and the second configuration information, the control unit 210 may control utilization of resources capable of frequency division multiplexing in frequencies to which the shared spectrum channel access is applied (third embodiment).
  • the control unit 210 may assume that the frequency division multiplexable resource is not set in the resource (unlicensed TDD band) set by the first setting information (third embodiment).
  • the control unit 210 may assume that the frequency division multiplexable resource is set in the resource set by the first setting information.
  • the DL resource and the UL resource may have a common specific bandwidth (third embodiment).
  • the control unit 210 may assume that the frequency division multiplexable resource is set in the resource set by the first setting information.
  • the DL resource and the UL resource may have a common specific bandwidth, and a guard frequency resource may be configured at the boundary between the DL resource and the UL resource (third embodiment).
  • each functional block may be implemented using one device physically or logically coupled, or directly or indirectly using two or more physically or logically separated devices (e.g. , wired, wireless, etc.) and may be implemented using these multiple devices.
  • a functional block may be implemented by combining software in the one device or the plurality of devices.
  • function includes judgment, decision, determination, calculation, calculation, processing, derivation, investigation, search, confirmation, reception, transmission, output, access, resolution, selection, selection, establishment, comparison, assumption, expectation, deem , broadcasting, notifying, communicating, forwarding, configuring, reconfiguring, allocating, mapping, assigning, etc.
  • a functional block (component) 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. 11 is a diagram illustrating an example of hardware configurations of a base station and a user terminal according to one 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, and the like. .
  • 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 without some devices.
  • processor 1001 may be implemented by one or more chips.
  • predetermined software program
  • the processor 1001 performs calculations, communication via the communication device 1004 and at least one of reading and writing data in the memory 1002 and the storage 1003 .
  • the processor 1001 operates an operating system and controls the entire computer.
  • the processor 1001 may be configured by a central processing unit (CPU) including an interface with peripheral devices, a control device, an arithmetic device, registers, and the like.
  • CPU central processing unit
  • control unit 110 210
  • transmission/reception unit 120 220
  • FIG. 10 FIG. 10
  • the processor 1001 reads programs (program codes), software modules, data, etc. from at least one of the storage 1003 and the communication device 1004 to the memory 1002, and executes various processes according to them.
  • programs program codes
  • software modules software modules
  • data etc.
  • the control unit 110 (210) may be implemented by a control program stored in the memory 1002 and running on the processor 1001, and other functional blocks may be similarly implemented.
  • the memory 1002 is a computer-readable recording medium, such as Read Only Memory (ROM), Erasable Programmable ROM (EPROM), Electrically EPROM (EEPROM), Random Access Memory (RAM), or at least any other suitable storage medium. may be configured by one.
  • the memory 1002 may also be called a register, cache, main memory (main storage device), or the like.
  • the memory 1002 can store executable programs (program code), software modules, etc. for implementing a wireless communication method according to an embodiment of the present disclosure.
  • the storage 1003 is a computer-readable recording medium, for example, a flexible disk, a floppy (registered trademark) disk, a magneto-optical disk (for example, a compact disk (Compact Disc ROM (CD-ROM), etc.), a digital versatile disk, Blu-ray disc), removable disc, hard disk drive, smart card, flash memory device (e.g., card, stick, key drive), magnetic stripe, database, server, or other suitable storage medium may be configured by Storage 1003 may also be called an auxiliary storage device.
  • a computer-readable recording medium for example, a flexible disk, a floppy (registered trademark) disk, a magneto-optical disk (for example, a compact disk (Compact Disc ROM (CD-ROM), etc.), a digital versatile disk, Blu-ray disc), removable disc, hard disk drive, smart card, flash memory device (e.g., card, stick, key drive), magnetic stripe, database, server, or other suitable storage medium may be configured by Storage 1003 may also
  • the communication device 1004 is hardware (transmitting/receiving device) for communicating between computers via at least one of a wired network and a wireless network, and is also called a network device, a network controller, a network card, a communication module, or the like.
  • the communication device 1004 includes a high-frequency switch, duplexer, filter, frequency synthesizer, etc. in order to realize at least one of frequency division duplex (FDD) and time division duplex (TDD), for example. may be configured to include
  • the transmitting/receiving unit 120 (220), the transmitting/receiving antenna 130 (230), and the like described above may be realized by the communication device 1004.
  • 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 (for example, keyboard, mouse, microphone, switch, button, sensor, etc.) that receives input from the outside.
  • the output device 1006 is an output device (for example, a display, a speaker, a Light Emitting Diode (LED) lamp, etc.) that outputs to the outside. Note that the input device 1005 and the output device 1006 may be integrated (for example, a touch panel).
  • Each device such as the processor 1001 and the memory 1002 is connected by a bus 1007 for communicating information.
  • the bus 1007 may be configured using a single bus, or may be configured using different buses between devices.
  • the base station 10 and the user terminal 20 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 including 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 pieces of hardware.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • PLD programmable logic device
  • FPGA field programmable gate array
  • a signal may also be a message.
  • a reference signal may be abbreviated as RS, and may also be called a pilot, a pilot signal, etc., depending on the applicable standard.
  • a component carrier may also be called a cell, a frequency carrier, a carrier frequency, or the like.
  • a radio frame may consist of one or more periods (frames) in the time domain.
  • Each of the one or more periods (frames) that make up a radio frame may be called a subframe.
  • a subframe may consist of one or more slots in the time domain.
  • a subframe may be a fixed time length (eg, 1 ms) independent of numerology.
  • a numerology may be a communication parameter applied to at least one of transmission and reception of a certain signal or channel.
  • Numerology for example, subcarrier spacing (SCS), bandwidth, symbol length, cyclic prefix length, transmission time interval (TTI), number of symbols per TTI, radio frame configuration , a particular filtering process performed by the transceiver in the frequency domain, a particular windowing process performed by the transceiver in the time domain, and/or the like.
  • a slot may consist of one or more symbols (Orthogonal Frequency Division Multiplexing (OFDM) symbol, Single Carrier Frequency Division Multiple Access (SC-FDMA) symbol, etc.) in the time domain.
  • OFDM Orthogonal Frequency Division Multiplexing
  • SC-FDMA Single Carrier Frequency Division Multiple Access
  • a slot may also be a unit of time based on numerology.
  • a slot may contain multiple mini-slots. Each minislot may consist of one or more symbols in the time domain. A minislot may also be referred to as a subslot. A minislot may consist of fewer symbols than a slot.
  • a PDSCH (or PUSCH) transmitted in time units larger than a minislot 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. Radio frames, subframes, slots, minislots, and symbols may be referred to by other corresponding designations. 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. That is, at least one of the subframe and TTI may be a subframe (1 ms) in existing LTE, a period shorter than 1 ms (eg, 1-13 symbols), or a period longer than 1 ms may be Note that the unit representing the TTI may be called a slot, mini-slot, or the like instead of a subframe.
  • TTI refers to, for example, the minimum scheduling time unit in wireless communication.
  • 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
  • a TTI may be a transmission time unit such as a channel-encoded data packet (transport block), code block, or codeword, or may be a processing unit such as scheduling and link adaptation. Note that when a TTI is given, the time interval (for example, the number of symbols) in which transport blocks, code blocks, codewords, etc. are actually mapped may be shorter than the TTI.
  • one or more TTIs may be the minimum scheduling time unit. Also, the number of slots (the number of mini-slots) constituting the minimum time unit of the scheduling may be controlled.
  • a TTI having a time length of 1 ms may be called a normal TTI (TTI in 3GPP Rel. 8-12), normal TTI, long TTI, normal subframe, normal subframe, long subframe, slot, or the like.
  • a TTI that is shorter than a normal TTI may be called a shortened TTI, a short TTI, a partial or fractional TTI, a shortened subframe, a short subframe, a minislot, a subslot, a slot, and the like.
  • the long TTI (e.g., normal TTI, subframe, etc.) may be replaced with a TTI having a time length exceeding 1 ms
  • the short TTI e.g., shortened TTI, etc.
  • a TTI having the above TTI length may be read instead.
  • a resource block is a resource allocation unit in the time domain and frequency domain, and may include one or more consecutive subcarriers (subcarriers) in the frequency domain.
  • the number of subcarriers included in the RB may be the same regardless of the neumerology, eg twelve.
  • the number of subcarriers included in an RB may be determined based on neumerology.
  • an RB may contain one or more symbols in the time domain and may be 1 slot, 1 minislot, 1 subframe or 1 TTI long.
  • One TTI, one subframe, etc. may each be configured with one or more resource blocks.
  • One or more RBs are Physical Resource Block (PRB), Sub-Carrier Group (SCG), Resource Element Group (REG), PRB pair, RB Also called a pair.
  • PRB Physical Resource Block
  • SCG Sub-Carrier Group
  • REG Resource Element Group
  • PRB pair RB Also called a pair.
  • a resource block may be composed of one or more resource elements (Resource Element (RE)).
  • RE resource elements
  • 1 RE may be a radio resource region of 1 subcarrier and 1 symbol.
  • a Bandwidth Part (which may also be called a bandwidth part) represents a subset of contiguous common resource blocks (RBs) for a numerology on a carrier.
  • the common RB may be identified by an RB index based on the common reference point of the carrier.
  • PRBs may be defined in a BWP and numbered within that BWP.
  • BWP may include UL BWP (BWP for UL) and DL BWP (BWP for DL).
  • BWP for UL
  • BWP for DL DL BWP
  • One or multiple BWPs may be configured for a UE within one carrier.
  • 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 the active BWP.
  • BWP bitmap
  • radio frames, subframes, slots, minislots, symbols, etc. described above are merely examples.
  • the number of subframes contained in a radio frame, the number of slots per subframe or radio frame, the number of minislots contained within a slot, the number of symbols and RBs contained in a slot or minislot, the number of Configurations such as the number of subcarriers and the number of symbols in a TTI, symbol length, cyclic prefix (CP) length, etc. can be varied.
  • the information, parameters, etc. described in the present disclosure may be expressed using absolute values, may be expressed using relative values from a predetermined value, or may be expressed using other corresponding information. may be represented. For example, radio resources may be indicated by a predetermined index.
  • data, instructions, commands, information, signals, bits, symbols, chips, etc. may refer to voltages, currents, electromagnetic waves, magnetic fields or magnetic particles, light fields or photons, or any of these. may be represented by a combination of
  • information, signals, etc. can be output from a higher layer to a lower layer and/or from a lower layer to a higher layer.
  • Information, signals, etc. may be input and output through 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. Input and output information, signals, etc. may be overwritten, updated or appended. Output information, signals, etc. may be deleted. Input information, signals, etc. may be transmitted to other devices.
  • Uplink Control Information (UCI) Uplink Control Information
  • RRC Radio Resource Control
  • MIB Master Information Block
  • SIB System Information Block
  • SIB System Information Block
  • MAC Medium Access Control
  • 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), and the like.
  • RRC signaling may also be called an RRC message, and may be, for example, an RRC connection setup message, an RRC connection reconfiguration message, or the like.
  • MAC signaling may be notified using, for example, a MAC Control Element (CE).
  • CE MAC Control Element
  • notification of predetermined information is not limited to explicit notification, but implicit notification (for example, by not notifying the predetermined information or by providing another information by notice of
  • the determination may be made by a value (0 or 1) represented by 1 bit, or by a boolean value represented by true or false. , may be performed by numerical comparison (eg, comparison with a predetermined value).
  • Software whether referred to as software, firmware, middleware, microcode, hardware description language or otherwise, includes instructions, instruction sets, code, code segments, program code, programs, subprograms, and software modules. , applications, software applications, software packages, routines, subroutines, objects, executables, threads of execution, procedures, functions, and the like.
  • software, instructions, information, etc. may be transmitted and received via a transmission medium.
  • the software uses wired technology (coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), etc.) and/or wireless technology (infrared, microwave, etc.) , a server, or other remote source, these wired and/or wireless technologies are included within the definition of transmission media.
  • a “network” may refer to devices (eg, base stations) included in a network.
  • precoding "precoding weight”
  • QCL Quality of Co-Location
  • TCI state Transmission Configuration Indication state
  • spatialal patial relation
  • spatialal 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”, “panel” are interchangeable. can be used as intended.
  • base station BS
  • radio base station fixed station
  • NodeB NodeB
  • eNB eNodeB
  • gNB gNodeB
  • Access point "Transmission Point (TP)”, “Reception Point (RP)”, “Transmission/Reception Point (TRP)”, “Panel”
  • a base station may also be referred to by terms such as macrocell, small cell, femtocell, picocell, and the like.
  • a base station can accommodate one or more (eg, three) cells.
  • the overall coverage area of the base station can be partitioned into multiple smaller areas, and each smaller area is assigned to a base station subsystem (e.g., a small indoor base station (Remote Radio)). Head (RRH))) may also provide communication services.
  • a base station subsystem e.g., a small indoor base station (Remote Radio)). Head (RRH)
  • RRH Head
  • the terms "cell” or “sector” refer to part or all of the coverage area of at least one of the base stations and base station subsystems that serve communication within such coverage.
  • MS Mobile Station
  • UE User Equipment
  • Mobile stations include subscriber stations, mobile units, subscriber units, wireless units, remote units, mobile devices, wireless devices, wireless communication devices, remote devices, mobile subscriber stations, access terminals, mobile terminals, wireless terminals, remote terminals. , a handset, a user agent, a mobile client, a client, or some other suitable term.
  • At least one of the base station and the mobile station may be called a transmitting device, a receiving device, a wireless communication device, or the like. At least one of the base station and the mobile station may be a device mounted on a moving object, the mobile itself, or the like.
  • the moving body refers to a movable object, the speed of movement is arbitrary, and it naturally includes cases where the moving body is stationary.
  • Examples of such moving bodies include vehicles, transportation vehicles, automobiles, motorcycles, bicycles, connected cars, excavators, bulldozers, wheel loaders, dump trucks, forklifts, trains, buses, carts, rickshaws, and ships (ships and other watercraft). , airplanes, rockets, satellites, drones, multi-copters, quad-copters, balloons and objects mounted on them.
  • the mobile body may be a mobile body that autonomously travels based on an operation command.
  • the mobile object may be a vehicle (e.g., car, airplane, etc.), an unmanned mobile object (e.g., drone, self-driving car, etc.), or a robot (manned or unmanned ).
  • a vehicle e.g., car, airplane, etc.
  • an unmanned mobile object e.g., drone, 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 mobile station may be an Internet of Things (IoT) device such as a sensor.
  • IoT Internet of Things
  • FIG. 12 is a diagram showing an example of a vehicle according to one 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, revolution sensor 51, air pressure sensor 52, vehicle speed sensor 53, acceleration sensor 54, accelerator pedal sensor 55, brake pedal sensor 56, shift lever sensor 57, and object detection sensor 58), information service unit 59 and communication module 60.
  • various sensors current sensor 50, revolution sensor 51, air pressure sensor 52, vehicle speed sensor 53, acceleration sensor 54, accelerator pedal sensor 55, brake pedal sensor 56, shift lever sensor 57, and object detection sensor 58
  • information service unit 59 and communication module 60.
  • the driving 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 is composed of a microprocessor 61 , a memory (ROM, RAM) 62 , and a communication port (eg, input/output (IO) port) 63 . Signals from various sensors 50 to 58 provided in the vehicle are input to the electronic control unit 49 .
  • the electronic control unit 49 may be called an Electronic Control Unit (ECU).
  • ECU Electronic Control Unit
  • 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 wheels 46/rear wheels 47 obtained by the rotation speed sensor 51, and an air pressure sensor 52.
  • air pressure signal of front wheels 46/rear wheels 47 vehicle speed signal obtained by vehicle speed sensor 53, acceleration signal obtained by acceleration sensor 54, depression amount signal of accelerator pedal 43 obtained by accelerator pedal sensor 55, brake pedal sensor
  • the information service unit 59 includes various devices such as car navigation systems, audio systems, speakers, displays, televisions, and radios for providing (outputting) various information such as driving information, traffic information, and entertainment information, and these devices. and one or more ECUs that control 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 (e.g., keyboard, mouse, microphone, switch, button, sensor, touch panel, etc.) that receives input from the outside, and an output device that outputs to the outside (e.g., display, speaker, LED lamp, touch panel, etc.).
  • an input device e.g., keyboard, mouse, microphone, switch, button, sensor, touch panel, etc.
  • an output device e.g., display, speaker, LED lamp, touch panel, etc.
  • the driving support system unit 64 includes a millimeter wave radar, Light Detection and Ranging (LiDAR), a camera, a positioning locator (e.g., Global Navigation Satellite System (GNSS), etc.), map information (e.g., High Definition (HD)) maps, autonomous vehicle (AV) maps, etc.), gyro systems (e.g., inertial measurement units (IMU), 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 load, and one or more devices that control these devices ECU.
  • the driving support system unit 64 transmits and receives various information via the communication module 60, and realizes a driving support function or an automatic driving function.
  • 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 with the vehicle 40 through a communication port 63 such as a driving 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, 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 an external device. For example, it transmits and receives various information to and from an external device via wireless communication.
  • Communication module 60 may be internal or external to electronic control 49 .
  • the external device may be, for example, the above-described base station 10, user terminal 20, or the like.
  • the communication module 60 may be, for example, at least one of the base station 10 and the user terminal 20 described above (and 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 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. may be transmitted to the external device via wireless communication.
  • the electronic control unit 49, the various sensors 50-58, the information service unit 59, etc. may be called an input unit that receives input.
  • the PUSCH transmitted by communication module 60 may include information based on the above inputs.
  • 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 unit 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 displays and speakers based on the PDSCH received by the communication module 60 (or data/information decoded from the PDSCH)). may be called
  • the communication module 60 stores various information received from an external device in 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, the steering unit 42, the accelerator pedal 43, the brake pedal 44, the shift lever 45, the left and right front wheels 46, and the left and right rear wheels provided in the vehicle 40. 47, axle 48, and various sensors 50-58 may be controlled.
  • the base station in the present disclosure may be read as a user terminal.
  • communication between a base station and a user terminal is replaced with communication between multiple user terminals (for example, 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 of the base station 10 described above.
  • words such as "uplink” and "downlink” may be replaced with words corresponding to communication between terminals (for example, "sidelink”).
  • uplink channels, downlink channels, etc. may be read as sidelink channels.
  • user terminals in the present disclosure may be read as base stations.
  • the base station 10 may have the functions of the user terminal 20 described above.
  • operations that are assumed to be performed by the base station may be performed by its upper node in some cases.
  • various operations performed for communication with a terminal may involve the base station, one or more network nodes other than the base station (e.g., Clearly, this can be done by a Mobility Management Entity (MME), Serving-Gateway (S-GW), etc. (but not limited to these) or a combination thereof.
  • MME Mobility Management Entity
  • S-GW Serving-Gateway
  • each aspect/embodiment described in the present disclosure may be used alone, may be used in combination, or may be used by switching along with execution. Also, the processing procedures, sequences, flowcharts, etc. of each aspect/embodiment described in the present disclosure may be rearranged as long as there is no contradiction. For example, the methods described in this disclosure present elements of the various steps using a sample order, and are not limited to the specific 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, for example, an integer or a decimal number
  • Future Radio Access FAA
  • RAT New-Radio Access Technology
  • NR New Radio
  • NX New radio access
  • FX Future generation radio access
  • GSM registered trademark
  • CDMA2000 Code Division Multiple Access
  • UMB Ultra Mobile Broadband
  • IEEE 802 .11 Wi-Fi®
  • IEEE 802.16 WiMAX®
  • IEEE 802.20 Ultra-WideBand (UWB), Bluetooth®, or any other suitable wireless communication method. It may be applied to a system to be used, a next-generation system extended, modified, created or defined based on these.
  • any reference to elements using the "first,” “second,” etc. designations used in this disclosure does not generally limit the quantity or order of those elements. These designations may be used in this disclosure as a convenient method of distinguishing between two or more elements. Thus, references to first and second elements do not imply that only two elements may be employed or that the first element must precede the second element in any way.
  • determining includes judging, calculating, computing, processing, deriving, investigating, looking up, searching, inquiry ( For example, looking up in a table, database, or another data structure), ascertaining, etc. may be considered to be “determining.”
  • determining (deciding) includes receiving (e.g., receiving information), transmitting (e.g., transmitting information), input, output, access ( accessing (e.g., accessing data in memory), etc.
  • determining is considered to be “determining” resolving, selecting, choosing, establishing, comparing, etc. good too. That is, “determining (determining)” may be regarded as “determining (determining)” some action.
  • connection refers to any connection or coupling, direct or indirect, between two or more elements. and can include the presence of one or more intermediate elements between two elements that are “connected” or “coupled” to each other. Couplings or connections between elements may be physical, logical, or a combination thereof. For example, "connection” may be read as "access”.
  • radio frequency domain when two elements are connected, using one or more wires, cables, printed electrical connections, etc., and as some non-limiting and non-exhaustive examples, radio frequency domain, microwave They can be considered to be “connected” or “coupled” together using the domain, electromagnetic energy having wavelengths in the optical (both visible and invisible) domain, and the like.
  • a and B are different may mean “A and B are different from each other.”
  • the term may also mean that "A and B are different from C”.
  • Terms such as “separate,” “coupled,” etc. may also be interpreted in the same manner as “different.”

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

Abstract

Un terminal selon un aspect de la présente divulgation comprend : une unité de réception qui reçoit des informations de réglage sur une ressource qui permet un multiplexage par répartition en fréquence pour une ressource de liaison descendante (DL) et une ressource de liaison montante (UL) et des informations sur une ressource temporelle d'un signal de référence DL pour une mesure ; et une unité de commande qui commande la mesure sur la base du signal de référence DL pour une mesure sur la base d'au moins un élément parmi les informations de réglage sur la ressource, les informations sur la ressource temporelle et un rapport d'informations de capacité concernant la mesure du signal de référence DL pour une mesure. Selon un aspect de la présente divulgation, l'efficacité d'utilisation des ressources peut être améliorée.
PCT/JP2022/001139 2022-01-14 2022-01-14 Terminal, procédé de communication sans fil et station de base WO2023135746A1 (fr)

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Citations (1)

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Publication number Priority date Publication date Assignee Title
JP2019016824A (ja) * 2015-11-27 2019-01-31 シャープ株式会社 端末装置、基地局装置および通信方法

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JP2019016824A (ja) * 2015-11-27 2019-01-31 シャープ株式会社 端末装置、基地局装置および通信方法

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OPPO: "Discussion on flexible duplex mode", 3GPP DRAFT; RWS-210042, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. TSG RAN, no. Electronic Meeting; 20210628 - 20210702, 7 June 2021 (2021-06-07), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP052025607 *
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