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WO2025017887A1 - Terminal, station de base, système de communication sans fil et procédé de communication sans fil - Google Patents

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

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Publication number
WO2025017887A1
WO2025017887A1 PCT/JP2023/026467 JP2023026467W WO2025017887A1 WO 2025017887 A1 WO2025017887 A1 WO 2025017887A1 JP 2023026467 W JP2023026467 W JP 2023026467W WO 2025017887 A1 WO2025017887 A1 WO 2025017887A1
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WIPO (PCT)
Prior art keywords
pdsch
information
wireless communication
unit
base station
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PCT/JP2023/026467
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English (en)
Japanese (ja)
Inventor
翔平 吉岡
聡 永田
ルフア ヨウ
ウェイチー スン
ジン ワン
ラン チン
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NTT Docomo Inc
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NTT Docomo Inc
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Priority to PCT/JP2023/026467 priority Critical patent/WO2025017887A1/fr
Publication of WO2025017887A1 publication Critical patent/WO2025017887A1/fr
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1273—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/06—Airborne or Satellite Networks

Definitions

  • This disclosure relates to a terminal, a base station, a wireless communication system, and a wireless communication method that support repeated transmission of a downlink channel.
  • the 3rd Generation Partnership Project (3GPP) is developing specifications for the 5th generation mobile communication system (5G, also known as New Radio (NR) or Next Generation (NG)) and is also developing specifications for the next generation, known as Beyond 5G, 5G Evolution or 6G.
  • 5G also known as New Radio (NR) or Next Generation (NG)
  • NG Next Generation
  • NTN non-terrestrial networks
  • the present disclosure has been made to solve the above-mentioned problems, and aims to provide a terminal, base station, wireless communication system, and wireless communication method that can appropriately expand downlink coverage when NTN is assumed.
  • the disclosed aspect is a terminal that includes a receiver that receives a downlink channel and a controller that assumes specific reception of one transport block that spans two or more slots in the downlink channel.
  • the disclosed aspect is a base station comprising a transmitter that transmits a downlink channel, and a controller that assumes specific transmission of one transport block spanning two or more slots in the downlink channel.
  • the disclosed aspect is a wireless communication system comprising a terminal and a base station, the terminal comprising a receiver for receiving a downlink channel and a controller for assuming specific reception of one transport block spanning two or more slots in the downlink channel.
  • the disclosed aspect is a wireless communication method comprising step A of receiving a downlink channel, and step B of assuming specific reception of one transport block spanning two or more slots in the downlink channel.
  • FIG. 1 is a schematic diagram showing the overall configuration of a wireless communication system 10.
  • FIG. 2 is a diagram illustrating the frequency ranges used in the wireless communication system 10.
  • FIG. 3 is a diagram showing an example of the configuration of a radio frame, a subframe, and a slot used in the radio communication system 10.
  • FIG. 4 is a functional block diagram of the UE 200.
  • Figure 5 is a functional block diagram of gNB100.
  • FIG. 6 is a diagram for explaining an outline of an operation example.
  • FIG. 7 is a diagram showing an example of the hardware configuration of gNB100 and UE200.
  • FIG. 8 is a diagram showing an example of the configuration of a vehicle 2001.
  • FIG. 1 is an overall schematic configuration diagram of a wireless communication system 10 according to an embodiment.
  • the wireless communication system 10 is a wireless communication system conforming to 5G New Radio (NR) and includes a Next Generation-Radio Access Network 20 (hereinafter, NG-RAN 20) and a terminal 200 (hereinafter, UE (User Equipment) 200).
  • NR 5G New Radio
  • NG-RAN 20 Next Generation-Radio Access Network
  • UE User Equipment
  • the wireless communication system 10 may be a wireless communication system conforming to a method called Beyond 5G, 5G Evolution, or 6G.
  • NG-RAN 20 includes a base station 100 (hereinafter, gNB 100).
  • gNB 100 base station 100
  • NG-RAN20 actually includes multiple NG-RAN Nodes, specifically gNBs (or ng-eNBs), and is connected to a 5G-compliant core network (5GC, not shown). Note that NG-RAN20 and 5GC may simply be referred to as a "network.”
  • the gNB100 is a 5G-compliant radio base station, and performs 5G-compliant radio communication with the UE200.
  • the gNB100 and UE200 are capable of supporting Massive MIMO (Multiple-Input Multiple-Output), which generates a more directional beam BM by controlling radio signals transmitted from multiple antenna elements, Carrier Aggregation (CA), which uses multiple component carriers (CC) by bundling them together, and Dual Connectivity (DC), which communicates simultaneously on two or more transport blocks between the UE and each of two NG-RAN Nodes.
  • Massive MIMO Multiple-Input Multiple-Output
  • CA Carrier Aggregation
  • CC component carriers
  • DC Dual Connectivity
  • a non-terrestrial network (hereinafter, NTN) may be assumed.
  • NTN by utilizing a non-terrestrial network such as an artificial satellite 150 (hereinafter, satellite 150), services are provided to areas that cannot be covered by a terrestrial network (hereinafter, TN) due to cost or other reasons.
  • TN terrestrial network
  • NTN can provide more reliable services.
  • NTN is expected to be applied to IoT (Inter of things), ships, buses, trains, and critical communications.
  • IoT Inter of things
  • NTN also has scalability through efficient multicast or broadcast.
  • the satellite 150 may have the functionality of a relay station device, and the relay method may be either a transparent type or a regenerative type.
  • a network including the gNB 100 and the UE 200 without including a non-terrestrial network may be referred to as a terrestrial network (TN) in contrast to an NTN.
  • the UE 200 may communicate with the NG-RAN 20 via the NTN, or may communicate with the NG-RAN 20 via the TN (i.e., without going through the satellite 150).
  • satellite 150 may have the functionality of a gNB (wireless base station).
  • the type of satellite 150 is not particularly limited, and may be, for example, a geostationary orbit satellite (GEO: Geostationary Orbit satellite) or a low earth orbit satellite (LEO: Low Earth Orbit satellite).
  • GEO Geostationary Orbit Satellite
  • LEO Low Earth Orbit Satellite
  • HAPS High-Altitude Pseudo Satellite
  • Satellite 150 is not necessarily limited to these satellites, and may be interpreted as including Spaceborne/Airborne.
  • the gNB 100 may include an NTN gateway (not shown).
  • the NTN gateway transmits downlink (DL) signals to the satellite 150.
  • the NTN gateway receives uplink (UL) signals from the satellite 150.
  • Satellite 150 relays the downlink signal received from the NTN gateway to UE 200. Satellite 150 relays the uplink signal received from UE 200 to the NTN gateway. Satellite 150 may be interpreted as a TRP (Transmission-Reception Point), or as a repeater or relay.
  • TRP Transmission-Reception Point
  • the wireless communication system 10 supports multiple frequency ranges (FR).
  • Figure 2 shows the frequency ranges used in the wireless communication system 10.
  • the wireless communication system 10 corresponds to FR1, FR2-1, and FR2-2.
  • the frequency bands of each FR are as follows:
  • FR1 may use a Sub-Carrier Spacing (SCS) of 15, 30, or 60 kHz, and a bandwidth (BW) of 5 to 100 MHz.
  • FR2-1 may be higher in frequency than FR1, use an SCS of 60 or 120 kHz (240 kHz may be included), and use a bandwidth (BW) of 50 to 400 MHz.
  • FR2-2 may be higher in frequency than FR2-1, use an SCS of 120, 480 kHz, or 960 kHz, and use a bandwidth (BW) of 400 to 2000 MHz.
  • SCS may also be interpreted as numerology. Numerology is defined in 3GPP TS38.300 and corresponds to one subcarrier spacing in the frequency domain.
  • the wireless communication system 10 also supports higher frequency bands than the FR2-2 frequency band. Specifically, the wireless communication system 10 supports frequency bands exceeding 52.6 GHz up to 71 GHz or 114.25 GHz. For convenience, such high frequency bands may be referred to as "FR2x.”
  • Cyclic Prefix-Orthogonal Frequency Division Multiplexing CP-OFDM
  • DFT-S-OFDM Discrete Fourier Transform - Spread
  • SCS Sub-Carrier Spacing
  • FIG. 3 shows an example of the configuration of a radio frame, subframe, and slot used in the wireless communication system 10.
  • one slot is made up of 14 symbols, and the larger (wider) the SCS, the shorter the symbol period (and slot period).
  • the SCS is not limited to the interval (frequency) shown in Figure 3. For example, 480 kHz, 960 kHz, etc. may be used.
  • the number of symbols that make up one slot does not necessarily have to be 14 symbols (e.g., 28 symbols, 56 symbols). Furthermore, the number of slots per subframe may differ depending on the SCS.
  • time direction (t) shown in FIG. 3 may be called the time domain, symbol period, or symbol time.
  • the frequency direction may be called the frequency domain, resource block, subcarrier, bandwidth part (BWP), etc.
  • DMRS is a type of reference signal and is prepared for various channels.
  • PDSCH Physical Downlink Shared Channel
  • PUSCH Physical Uplink Shared Channel
  • DMRS may be used for channel estimation in a device, e.g., UE 200, as part of coherent demodulation. DMRS may only be present in resource blocks (RBs) used for PDSCH transmission.
  • RBs resource blocks
  • DMRS may have multiple mapping types. Specifically, DMRS has mapping type A and mapping type B. In mapping type A, the first DMRS is placed in the second or third symbol of a slot. In mapping type A, the DMRS may be mapped relative to the slot boundary, regardless of where in the slot the actual data transmission starts. The reason for placing the first DMRS in the second or third symbol of a slot may be interpreted as being to place the first DMRS after the control resource sets (CORESET).
  • CORESET control resource sets
  • the first DMRS may be placed in the first symbol of the data allocation, i.e., the position of the DMRS may be given relative to where the data is placed, rather than relative to a slot boundary.
  • DMRS may have multiple types. Specifically, DMRS has Type 1 and Type 2. Type 1 and Type 2 differ in mapping in the frequency domain and the maximum number of orthogonal reference signals. Type 1 is a single-symbol DMRS that can output up to four orthogonal signals, and Type 2 is a double-symbol DMRS that can output up to eight orthogonal signals.
  • FIG. 4 is a functional block diagram of UE 200.
  • UE 200 includes a radio signal transmitting/receiving unit 210, an amplifier unit 220, a modulation/demodulation unit 230, a control signal/reference signal processing unit 240, an encoding/decoding unit 250, a data transmitting/receiving unit 260, and a control unit 270.
  • the radio signal transmission/reception unit 210 transmits and receives radio signals conforming to NR.
  • the radio signal transmission/reception unit 210 supports Massive MIMO, CA that uses a bundle of multiple CCs, and DC that simultaneously communicates between a UE and each of two NG-RAN nodes.
  • the wireless signal transceiver 210 constitutes a receiver that receives a downlink channel.
  • the downlink channel may include a PDSCH. Repeated reception of the PDSCH may be assumed.
  • the downlink channel may include PDSCHs Msg2, Msg4, and MsgB in the RA procedure, or may include a PDSCH after the RA procedure.
  • the amplifier section 220 is composed of a PA (Power Amplifier)/LNA (Low Noise Amplifier) etc.
  • the amplifier section 220 amplifies the signal output from the modem section 230 to a predetermined power level.
  • the amplifier section 220 also amplifies the RF signal output from the wireless signal transmission/reception section 210.
  • the modem unit 230 performs data modulation/demodulation, transmission power setting, resource block allocation, etc. for each predetermined communication destination (gNB100 or other gNB).
  • the modem unit 230 may apply Cyclic Prefix-Orthogonal Frequency Division Multiplexing (CP-OFDM)/Discrete Fourier Transform - Spread (DFT-S-OFDM).
  • CP-OFDM Cyclic Prefix-Orthogonal Frequency Division Multiplexing
  • DFT-S-OFDM Discrete Fourier Transform - Spread
  • DFT-S-OFDM may be used not only for the uplink (UL) but also for the downlink (DL).
  • the control signal/reference signal processing unit 240 performs processing related to various control signals transmitted and received by the UE 200, and processing related to various reference signals transmitted and received by the UE 200.
  • control signal/reference signal processor 240 receives various control signals, such as radio resource control layer (RRC) control signals, transmitted from the gNB 100 via a predetermined control channel.
  • RRC radio resource control layer
  • the control signal/reference signal processor 240 also transmits various control signals to the gNB 100 via a predetermined control channel.
  • the control signal/reference signal processing unit 240 performs processing using reference signals (RS) such as the Demodulation Reference Signal (DMRS) and the Phase Tracking Reference Signal (PTRS).
  • RS reference signals
  • DMRS Demodulation Reference Signal
  • PTRS Phase Tracking Reference Signal
  • DMRS is a known reference signal (pilot signal) between the base station and the terminal for each terminal, used to estimate the fading channel used for data demodulation.
  • PTRS is a terminal-specific reference signal intended to estimate phase noise, which is an issue in high frequency bands.
  • reference signals may also include Channel State Information-Reference Signal (CSI-RS), Sounding Reference Signal (SRS), and Positioning Reference Signal (PRS) for location information.
  • CSI-RS Channel State Information-Reference Signal
  • SRS Sounding Reference Signal
  • PRS Positioning Reference Signal
  • Control channels also include control channels and data channels.
  • Control channels include PDCCH (Physical Downlink Control Channel), PUCCH (Physical Uplink Control Channel), RACH (Random Access Channel), Downlink Control Information (DCI) including Random Access Radio Network Temporary Identifier (RA-RNTI), and Physical Broadcast Channel (PBCH).
  • PDCCH Physical Downlink Control Channel
  • PUCCH Physical Uplink Control Channel
  • RACH Random Access Channel
  • DCI Downlink Control Information
  • RA-RNTI Random Access Radio Network Temporary Identifier
  • PBCH Physical Broadcast Channel
  • data channels include PDSCH (Physical Downlink Shared Channel) and PUSCH (Physical Uplink Shared Channel).
  • Data refers to data transmitted via a data channel.
  • a data channel may also be read as a shared channel.
  • the control signal/reference signal processing unit 240 may receive downlink control information (DCI).
  • DCI includes fields that store existing fields such as DCI Formats, Carrier indicator (CI), BWP indicator, FDRA (Frequency Domain Resource Assignment), TDRA (Time Domain Resource Assignment), MCS (Modulation and Coding Scheme), HPN (HARQ Process Number), NDI (New Data Indicator), and RV (Redundancy Version).
  • the value stored in the DCI Format field is an information element that specifies the format of the DCI.
  • the value stored in the CI field is an information element that specifies the CC to which the DCI applies.
  • the value stored in the BWP indicator field is an information element that specifies the BWP to which the DCI applies.
  • the BWP that can be specified by the BWP indicator is set by an information element (BandwidthPart-Config) included in the RRC message.
  • the value stored in the FDRA field is an information element that specifies the frequency domain resource to which the DCI applies.
  • the frequency domain resource is identified by the value stored in the FDRA field and an information element (RA Type) included in the RRC message.
  • the value stored in the TDRA field is an information element that specifies the time domain resource to which the DCI applies.
  • the time domain resource is identified by the value stored in the TDRA field and an information element (pdsch-TimeDomainAllocationList, pusch-TimeDomainAllocationList) included in the RRC message.
  • the time domain resource may be identified by the value stored in the TDRA field and a default table.
  • the value stored in the MCS field is an information element that specifies the MCS to which the DCI applies.
  • the MCS is specified by the value stored in the MCS and the MCS table.
  • the MCS table may be specified by an RRC message or may be specified by RNTI scrambling.
  • the value stored in the HPN field is an information element that specifies the HARQ Process to which the DCI is applied.
  • the value stored in the NDI is an information element that specifies whether the data to which the DCI is applied is initial transmission data or not.
  • the value stored in the RV field is an information element that specifies the redundancy of the data to which the DCI is applied.
  • the encoding/decoding unit 250 performs data division/concatenation and channel coding/decoding for each predetermined communication destination (gNB100 or other gNB).
  • the encoding/decoding unit 250 divides the data output from the data transmission/reception unit 260 into pieces of a predetermined size, and performs channel coding on the divided data.
  • the encoding/decoding unit 250 also decodes the data output from the modem unit 230, and concatenates the decoded data.
  • the data transmission/reception unit 260 transmits and receives Protocol Data Units (PDUs) and Service Data Units (SDUs). Specifically, the data transmission/reception unit 260 performs assembly/disassembly of PDUs/SDUs in multiple layers (such as the Medium Access Control layer (MAC), Radio Link Control layer (RLC), and Packet Data Convergence Protocol layer (PDCP)). The data transmission/reception unit 260 also performs data error correction and retransmission control based on HARQ (Hybrid Automatic Repeat Request).
  • MAC Medium Access Control layer
  • RLC Radio Link Control layer
  • PDCP Packet Data Convergence Protocol layer
  • the data transmission/reception unit 260 also performs data error correction and retransmission control based on HARQ (Hybrid Automatic Repeat Request).
  • HARQ Hybrid Automatic Repeat Request
  • the control unit 270 controls each functional block constituting the UE 200.
  • the control unit 270 constitutes a control unit that assumes specific reception of one transport block spanning two or more slots in a downlink channel.
  • the specific reception of one transport block spanning two or more slots may be referred to as TBoMS (Transport Block over Multi-Slot).
  • TBoMS Transport Block over Multi-Slot
  • the size and rate matching of the one transport block may be determined based on the resources in the two or more slots.
  • FIG. 5 is a functional block diagram of the gNB100. As shown in FIG. 5, the gNB100 has a receiving unit 110, a transmitting unit 120, and a control unit 130.
  • the receiving unit 110 receives various signals from the UE 200.
  • the receiving unit 110 may receive a UL signal via a PUCCH or a PUSCH.
  • the transmitter 120 transmits various signals to the UE 200.
  • the transmitter 120 may transmit DL signals via a PDCCH or a PDSCH.
  • the transmitter 120 constitutes a transmitter that transmits a downlink channel.
  • the control unit 130 controls the gNB 100.
  • the control unit 130 configures a control unit that assumes specific transmission of one transport block spanning two or more slots in a downlink channel.
  • the specific transmission may be referred to as TBoMS.
  • UE200 and gNB100 assume TBoMS in the PDSCH.
  • UE200 and gNB100 may assume TBoMS in the PDSCH in the NTN.
  • UE200 and gNB100 may assume TBoMS in repeated reception/transmission of the PDSCH.
  • UE 200 receives higher layer parameters.
  • the higher layer parameters may include PDSCH-Config or PDSCH-ConfigCommon.
  • PDSCH-Config may be an information element for setting parameters for each UE 200
  • PDSCH-ConfigCommon may be an information element for setting parameters common to the cell.
  • PDSCH-Config or PDSCH-ConfigCommon may include TimeDomainAllocationList.
  • step S22 gNB200 performs repeated transmission of PDSCH.
  • UE200 performs repeated reception of PDSCH.
  • UE200 and gNB10 assume TBoMS for repeated reception/transmission of PDSCH.
  • the TBoMS may be set by system information (SIB: System Information Block).
  • SIB System Information Block
  • common or separate settings may be applied for Msg2 and Msg4.
  • Operation example 1 In the following, an operation example 1 will be described.
  • the UE 200 and the gNB 10 assume TBoMS in the PDSCH.
  • the TBoMS in the PDSCH may be assumed in the NTN.
  • the TBoMS in the PDSCH may be assumed in the TN in addition to the NTN.
  • the TBoMS in the PDSCH may be assumed in repeated transmission/reception of the PDSCH.
  • the following options are possible parameters for TBoMS in PDSCH.
  • the parameters may be interpreted as higher layer parameters or RRC parameters.
  • the first symbol (hereinafter, S) relative to the first symbol of the slot and the length of consecutive symbols from S (hereinafter, L) may be specified by a newly defined parameter (e.g., startSymbolAndLength-r19).
  • startSymbolAndLength-r19 may be included in a newly defined information element (PDSCH-TimeDomainResourceAllocation-r19).
  • newly defined may mean newly introduced in 3GPP Release 19 or later.
  • the candidate values to be set may be the same as existing parameters (e.g., startSymbolAndLength) (e.g., 0 to 127), or may be different for NTN.
  • the number of slots for TBoMS may be defined for processing TBs that span two or more slots of the PDSCH.
  • M may be the same number (e.g., 2, 4, 8) as the number of slots for TBoMS (hereinafter, N) in the PUSCH (e.g., 2, 4, 8).
  • N the number of slots for TBoMS
  • M may be a number different from N (e.g., 2, 4, 8) (e.g., 2, 4, 8, 12, 16).
  • the possible values of M may be greater than the possible values of N, or may be less than the possible values of N.
  • M may be specified by a newly defined parameter (e.g., numberOfSlotsTBoMS-r19). numberOfSlotsTBoMS-r19 may be included in a newly defined information element (PDSCH-TimeDomainResourceAllocation-r19). PDSCH-TimeDomainResourceAllocation-r19 may be included in pdsch-TimeDomainAllocationList. M may be indicated or set separately from pdsch-TimeDomainAllocationList.
  • a newly defined parameter e.g., numberOfSlotsTBoMS-r19
  • numberOfSlotsTBoMS-r19 may be included in a newly defined information element (PDSCH-TimeDomainResourceAllocation-r19).
  • PDSCH-TimeDomainResourceAllocation-r19 may be included in pdsch-TimeDomainAllocationList.
  • M may be indicated or set separately from pdsch-TimeDomainAllocationList.
  • the number of repetitions of TBoMS (hereinafter, J) may be defined for the number of repetitions of TBoMS in PDSCH.
  • J may be the same number (e.g., 1, 2, 3, 4, 7, 8, 12, 16) as the number of repetitions of TBoMS in PUSCH (hereinafter, K (e.g., 1, 2, 3, 4, 7, 8, 12, 16).
  • K e.g., 1, 2, 3, 4, 7, 8, 12, 16
  • J may be a number different from K (e.g., 1, 2, 3, 4, 7, 8, 12, 16, 20, 32).
  • the possible values of J may be greater than the possible values of K or less than the possible values of K.
  • J may be specified by a newly defined parameter (e.g., numberOfRepetitions). numberOfRepetitions may be included in a newly defined information element (PDSCH-TimeDomainResourceAllocation-r19). PDSCH-TimeDomainResourceAllocation-r19 may be included in pdsch-TimeDomainAllocationList. J may be indicated or set separately from pdsch-TimeDomainAllocationList.
  • numberOfRepetitions may be included in a newly defined information element (PDSCH-TimeDomainResourceAllocation-r19).
  • PDSCH-TimeDomainResourceAllocation-r19 may be included in pdsch-TimeDomainAllocationList. J may be indicated or set separately from pdsch-TimeDomainAllocationList.
  • the total number of slots for TBoMS in the PDSCH may be determined as follows.
  • M ⁇ J may be determined so as not to exceed the same upper limit (e.g., 32) as the total number of slots for TBoMS in the PUSCH (N ⁇ K).
  • M ⁇ J may be determined so as not to exceed an upper limit different from N ⁇ K (e.g., 48 or 64).
  • the upper limit value of M ⁇ J may be greater than the upper limit value of N ⁇ K, or less than the upper limit value of N ⁇ K.
  • M and J are used for convenience to distinguish between PUSCH and PDSCH, but for TBoMS in PDSCH, M may be read as N and J as K.
  • Operation example 2 The following describes operation example 2.
  • capability information UE capability
  • TBoMS capability information related to TBoMS
  • options are considered as options related to UE capability.
  • Option 2-1 explains the contents of UE capability.
  • the UE capability may include information indicating whether or not the UE supports TBoMS on the PDSCH.
  • the UE capability may include information indicating the maximum number of slots for TBoMS (i.e., the maximum value of M).
  • the UE capability may include information indicating the maximum number of TBoMS repetitions (i.e., the maximum value of J).
  • Option 2-2 explains the transmission (reporting) of UE capabilities.
  • UE 200 may always report UE capabilities. That is, UE capabilities related to TBoMS may always be reported at the timing of transmitting various UE capabilities.
  • UE200 may report UE capabilities when it receives a UE capability reporting request from gNB100.
  • UE200 may report UE capabilities based on UE200 implementation. For example, UE200 may report UE capabilities if it detects that TBoMS on PDSCH is required.
  • UE200 may report UE capability in Msg1/Msg3 for PDSCH Msg2/Msg4. Similarly, UE200 may report UE capability in MsgA for PDSCH MsgB.
  • UE200 may transmit a RACH using a preamble associated with support for TBoMS on PDSCH.
  • UE200 may transmit a RACH using a preamble associated with non-support for TBoMS on PDSCH.
  • the UE capability may be reported as a parameter for the NTN separate from the TN, or may be reported as a parameter common to the TN and NTN. However, the UE capability may be reported for each band.
  • the UE 200 and the gNB 100 assume TBoMS in the PDSCH. According to such a configuration, when NTN is assumed, it is possible to appropriately extend the coverage of the downlink channel.
  • configure, activate, update, indicate, enable, specify, and select may be read as interchangeable.
  • link, associate, correspond, and map may be read as interchangeable, and allocate, assign, monitor, and map may also be read as interchangeable.
  • each functional block may be realized using one device that is physically or logically coupled, or may be realized using two or more devices that are physically or logically separated and connected directly or indirectly (e.g., using wires, wirelessly, etc.) and these multiple devices.
  • the functional blocks may be realized by combining the one device or the multiple devices with software.
  • Functions include, but are not limited to, judgement, determination, judgment, calculation, computation, processing, derivation, investigation, search, confirmation, reception, transmission, output, access, resolution, selection, election, establishment, comparison, assumption, expectation, regard, broadcasting, notifying, communicating, forwarding, configuring, reconfiguring, allocating, mapping, and assignment.
  • a functional block (component) that performs the transmission function is called a transmitting unit or transmitter.
  • FIG. 7 is a diagram showing an example of the hardware configuration of the device.
  • the device may be 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, and a bus 1007.
  • apparatus can be interpreted as a circuit, device, unit, etc.
  • the hardware configuration of the apparatus may be configured to include one or more of the devices shown in the figure, or may be configured to exclude some of the devices.
  • Each functional block of the device (see Figures 4 and 5) is realized by any hardware element of the computer device, or a combination of the hardware elements.
  • each function of the device is realized by loading a specific software (program) onto hardware such as the processor 1001 and memory 1002, causing the processor 1001 to perform calculations, control communications by the communications device 1004, and control at least one of reading and writing data in the memory 1002 and storage 1003.
  • a specific software program
  • the processor 1001 for example, runs an operating system to control the entire computer.
  • the processor 1001 may be configured as a central processing unit (CPU) that includes an interface with peripheral devices, a control unit, an arithmetic unit, registers, etc.
  • CPU central processing unit
  • the processor 1001 also reads out programs (program codes), software modules, data, etc. from at least one of the storage 1003 and the communication device 1004 into the memory 1002, and executes various processes according to these.
  • the programs used are those that cause a computer to execute at least some of the operations described in the above-mentioned embodiments.
  • the various processes described above may be executed by one processor 1001, or may be executed simultaneously or sequentially by two or more processors 1001.
  • the processor 1001 may be implemented by one or more chips.
  • the programs may be transmitted from a network via a telecommunications line.
  • Memory 1002 is a computer-readable recording medium and may be composed of at least one of, for example, Read Only Memory (ROM), Erasable Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), Random Access Memory (RAM), etc.
  • Memory 1002 may also be called a register, cache, main memory, etc.
  • Memory 1002 may store a program (program code), software module, etc. capable of executing a method according to one embodiment of the present disclosure.
  • Storage 1003 is a computer-readable recording medium, and may be, for example, at least one of an optical disk such as a Compact Disc ROM (CD-ROM), a hard disk drive, a flexible disk, a magneto-optical disk (e.g., a compact disk, a digital versatile disk, a Blu-ray (registered trademark) disk), a smart card, a flash memory (e.g., a card, a stick, a key drive), a floppy (registered trademark) disk, a magnetic strip, etc.
  • Storage 1003 may also be referred to as an auxiliary storage device.
  • the above-mentioned recording medium may be, for example, a database, a server, or other suitable medium including at least one of memory 1002 and storage 1003.
  • the communication device 1004 is hardware (transmitting/receiving device) for communicating between computers via at least one of a wired network and a wireless network, and is also called, for example, a network device, a network controller, a network card, a communication module, etc.
  • the communication device 1004 may be configured to include a high-frequency switch, a duplexer, a filter, a frequency synthesizer, etc., to realize, for example, at least one of Frequency Division Duplex (FDD) and Time Division Duplex (TDD).
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • the input device 1005 is an input device (e.g., a keyboard, a mouse, a microphone, a switch, a button, a sensor, etc.) that accepts input from the outside.
  • the output device 1006 is an output device (e.g., a display, a speaker, an LED lamp, etc.) that performs output to the outside. Note that the input device 1005 and the output device 1006 may be integrated into one structure (e.g., 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 each device.
  • the device may be configured to include hardware such as a microprocessor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a programmable logic device (PLD), or a field programmable gate array (FPGA), and some or all of the functional blocks may be realized by the hardware.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • PLD programmable logic device
  • FPGA field programmable gate array
  • the processor 1001 may be implemented using at least one of these pieces of hardware.
  • the notification of information is not limited to the aspects/embodiments described in the present disclosure and may be performed using other methods.
  • the notification of information may be performed by physical layer signaling (e.g., Downlink Control Information (DCI), Uplink Control Information (UCI)), higher layer signaling (e.g., RRC signaling, Medium Access Control (MAC) signaling, broadcast information (Master Information Block (MIB), System Information Block (SIB)), other signals, or a combination of these.
  • RRC signaling may be referred to as an RRC message, and may be, for example, an RRC Connection Setup message, an RRC Connection Reconfiguration message, etc.
  • LTE Long Term Evolution
  • LTE-A LTE-Advanced
  • 5G 5th generation mobile communication system
  • 6G 6th generation mobile communication system
  • xth generation mobile communication system The present invention may be applied to at least one of systems using LTE, LTE-A, LTE-G (xG) (x is, for example, an integer or decimal point), Future Radio Access (FRA), New Radio (NR), W-CDMA (registered trademark), GSM (registered trademark), CDMA2000, Ultra Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi (registered trademark)), IEEE 802.16 (WiMAX (registered trademark)), IEEE 802.20, Ultra-WideBand (UWB), Bluetooth (registered trademark), and other appropriate systems, and next-generation systems that are based on and extend these systems
  • certain operations that are described as being performed by a base station may in some cases be performed by its upper node.
  • various operations performed for communication with a terminal may be performed by the base station and at least one other network node other than the base station (such as, but not limited to, an MME or an S-GW).
  • the above example shows a case where there is one other network node other than the base station, it may also be a combination of multiple other network nodes (such as an MME and an S-GW).
  • Information, signals can be output from a higher layer (or a lower layer) to a lower layer (or a higher layer). They may be input and output via multiple network nodes.
  • the input and output information may be stored in a specific location (e.g., memory) or may be managed using a management table.
  • the input and output information may be overwritten, updated, or appended.
  • the output information may be deleted.
  • the input information may be sent to another device.
  • the determination may be based on a value represented by one bit (0 or 1), a Boolean value (true or false), or a numerical comparison (e.g., a comparison with a predetermined value).
  • notification of specific information is not limited to being done explicitly, but may be done implicitly (e.g., not notifying the specific information).
  • Software shall be construed broadly to mean instructions, instruction sets, code, code segments, program code, programs, subprograms, software modules, applications, software applications, software packages, routines, subroutines, objects, executable files, threads of execution, procedures, functions, etc., whether referred to as software, firmware, middleware, microcode, hardware description language, or otherwise.
  • software, instructions, information, etc. may be transmitted and received over a transmission medium.
  • a transmission medium For example, if software is transmitted from a website, server, or other remote source using at least one of wired technologies (such as coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL)), and/or wireless technologies (such as infrared, microwave, etc.), then at least one of these wired and wireless technologies is included within the definition of a transmission medium.
  • wired technologies such as coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL)
  • wireless technologies such as infrared, microwave, etc.
  • the information, signals, etc. described in this disclosure may be represented using any of a variety of different technologies.
  • the data, instructions, commands, information, signals, bits, symbols, chips, etc. that may be referred to throughout the above description may be represented by voltages, currents, electromagnetic waves, magnetic fields or magnetic particles, optical fields or photons, or any combination thereof.
  • At least one of the channel and the symbol may be a signal (signaling).
  • the signal may be a message.
  • a component carrier (CC) may be called a carrier frequency, a cell, a frequency carrier, etc.
  • system and “network” are used interchangeably.
  • a radio resource may be indicated by an index.
  • the names used for the above-mentioned parameters are not limiting in any respect. Furthermore, the formulas etc. using these parameters may differ from those explicitly disclosed in this disclosure.
  • the various channels (e.g., PUCCH, PDCCH, etc.) and information elements may be identified by any suitable names, and therefore the various names assigned to these various channels and information elements are not limiting in any respect.
  • Base station BS
  • wireless base station fixed station
  • NodeB NodeB
  • eNodeB eNodeB
  • gNodeB gNodeB
  • a base station can accommodate one or more (e.g., three) cells (also called sectors). If a base station accommodates multiple cells, the overall coverage area of the base station can be divided into multiple smaller areas, and each smaller area can also provide communication services by a base station subsystem (e.g., a small indoor base station (Remote Radio Head: RRH)).
  • a base station subsystem e.g., a small indoor base station (Remote Radio Head: RRH)
  • cell refers to part or the entire coverage area of a base station and/or a base station subsystem that provides communication services within that coverage.
  • a base station transmitting information to a terminal may be interpreted as the base station instructing the terminal to control or operate based on the information.
  • MS Mobile Station
  • UE User Equipment
  • a mobile station may also be referred to by those skilled in the art as a subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client, or some other suitable terminology.
  • At least one of the base station and the mobile station may be called a transmitting device, a receiving device, a communication device, etc.
  • At least one of the base station and the mobile station may be a device mounted on a moving object, or the moving object itself.
  • the moving object may be a vehicle (e.g., a car, an airplane, etc.), an unmanned moving object (e.g., a drone, an autonomous vehicle, etc.), or a robot (manned or unmanned).
  • At least one of the base station and the mobile station may include a device that does not necessarily move during communication operations.
  • at least one of the base station and the mobile station may be an Internet of Things (IoT) device such as a sensor.
  • IoT Internet of Things
  • the base station in the present disclosure may be interpreted as a mobile station (user terminal, the same applies below).
  • each aspect/embodiment of the present disclosure may be applied to a configuration in which communication between a base station and a mobile station is replaced with communication between multiple mobile stations (which may be called, for example, Device-to-Device (D2D), Vehicle-to-Everything (V2X), etc.).
  • the mobile station may be configured to have the functions of a base station.
  • terms such as "uplink” and "downlink” may be interpreted as terms corresponding to communication between terminals (for example, "side”).
  • the uplink channel, downlink channel, etc. may be interpreted as a side channel.
  • the mobile station in this disclosure may be interpreted as a base station.
  • the base station may be configured to have the functions of the mobile station.
  • a radio frame may be composed of one or more frames in the time domain. Each of the one or more frames in the time domain may be called a subframe.
  • a subframe may further be composed of one or more slots in the time domain.
  • a subframe may have a fixed time length (e.g., 1 ms) that is independent of numerology.
  • Numerology may be a communication parameter that applies to at least one of the transmission and reception of a signal or channel. Numerology may indicate, for example, at least one of the following: Subcarrier Spacing (SCS), bandwidth, symbol length, cyclic prefix length, Transmission Time Interval (TTI), number of symbols per TTI, radio frame structure, a particular filtering operation performed by the transceiver in the frequency domain, a particular windowing operation performed by the transceiver in the time domain, etc.
  • SCS Subcarrier Spacing
  • TTI Transmission Time Interval
  • radio frame structure a particular filtering operation performed by the transceiver in the frequency domain, a particular windowing operation performed by the transceiver in the time domain, etc.
  • a slot may consist of one or more symbols in the time domain (such as Orthogonal Frequency Division Multiplexing (OFDM) symbols, Single Carrier Frequency Division Multiple Access (SC-FDMA) symbols, etc.).
  • a slot may be a numerology-based unit of time.
  • a slot may include multiple minislots. Each minislot may consist of one or multiple symbols in the time domain. A minislot may also be called a subslot. A minislot may consist of fewer symbols than a slot.
  • a PDSCH (or PUSCH) transmitted in a time unit larger than a minislot may be called PDSCH (or PUSCH) mapping type A.
  • a PDSCH (or PUSCH) transmitted using a minislot may be called PDSCH (or PUSCH) mapping type B.
  • Radio frame, subframe, slot, minislot, and symbol all represent time units for transmitting signals. Radio frame, subframe, slot, minislot, and symbol may each be referred to by a different name that corresponds to the radio frame, subframe, slot, minislot, and symbol.
  • one subframe may be called a transmission time interval (TTI)
  • TTI transmission time interval
  • multiple consecutive subframes may be called a TTI
  • one slot or one minislot may be called a TTI.
  • at least one of the subframe and the TTI may be a subframe (1 ms) in existing LTE, a period shorter than 1 ms (e.g., 1-13 symbols), or a period longer than 1 ms.
  • the unit expressing the TTI may be called a slot, minislot, etc., instead of a subframe.
  • TTI refers to, for example, the smallest time unit for scheduling in wireless communication.
  • a base station schedules each user terminal by allocating radio resources (such as frequency bandwidth and transmission power that can be used by each user terminal) in TTI units.
  • radio resources such as frequency bandwidth and transmission power that can be used by each user terminal
  • the TTI may be a transmission time unit for a channel-coded data packet (transport block), a code block, a code word, etc., or may be a processing unit for scheduling, link adaptation, etc.
  • the time interval e.g., the number of symbols
  • the time interval in which a transport block, a code block, a code word, etc. is actually mapped may be shorter than the TTI.
  • one slot or one minislot when called a TTI, one or more TTIs (i.e., one or more slots or one or more minislots) may be the minimum time unit of scheduling.
  • the number of slots (minislots) that constitute the minimum time unit of scheduling may be controlled.
  • a TTI having a time length of 1 ms may be referred to as a normal TTI (TTI in LTE Rel. 8-12), normal TTI, long TTI, normal subframe, normal subframe, long subframe, slot, etc.
  • TTI shorter than a normal TTI may be referred to as a shortened TTI, short TTI, partial or fractional TTI, shortened subframe, short subframe, minislot, subslot, slot, etc.
  • a long TTI (e.g., a normal TTI, a subframe, etc.) may be interpreted as a TTI having a time length of more than 1 ms
  • a short TTI e.g., a shortened TTI, etc.
  • a resource block is a resource allocation unit in the time domain and frequency domain, and may include one or more consecutive subcarriers in the frequency domain.
  • the number of subcarriers included in an RB may be the same regardless of the numerology, and may be, for example, 12.
  • the number of subcarriers included in an RB may be determined based on the numerology.
  • the time domain of an RB may include one or more symbols and may be one slot, one minislot, one subframe, or one TTI in length.
  • One TTI, one subframe, etc. may each be composed of one or more resource blocks.
  • one or more RBs may also be referred to as a physical resource block (PRB), a sub-carrier group (SCG), a resource element group (REG), a PRB pair, an RB pair, etc.
  • PRB physical resource block
  • SCG sub-carrier group
  • REG resource element group
  • PRB pair an RB pair, etc.
  • a resource block may be composed of one or more resource elements (RE).
  • RE resource elements
  • one RE may be a radio resource area of one subcarrier and one symbol.
  • a Bandwidth Part which may also be referred to as a partial bandwidth, may represent a subset of contiguous common resource blocks (RBs) for a given numerology on a given carrier, where the common RBs may be identified by the index of the RBs relative to a common reference point of the carriers.
  • PRBs may be defined in a BWP and numbered within that BWP.
  • the BWP may include a BWP for UL (UL BWP) and a BWP for DL (DL BWP).
  • UL BWP UL BWP
  • DL BWP DL BWP
  • One or more BWPs may be configured 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, and symbols are merely examples.
  • the number of subframes included in a radio frame, the number of slots per subframe or radio frame, the number of minislots included in a slot, the number of symbols and RBs included in a slot or minislot, the number of subcarriers included in an RB, as well as the number of symbols in a TTI, the symbol length, the cyclic prefix (CP) length, and other configurations can be changed in various ways.
  • connection refers to any direct or indirect connection or coupling between two or more elements, and may include the presence of one or more intermediate elements between two elements that are “connected” or “coupled” to each other.
  • the coupling or connection between elements may be physical, logical, or a combination thereof.
  • “connected” may be read as "access.”
  • two elements may be considered to be “connected” or “coupled” to each other using at least one of one or more wires, cables, and printed electrical connections, as well as electromagnetic energy having wavelengths in the radio frequency range, microwave range, and optical (both visible and invisible) range, as some non-limiting and non-exhaustive examples.
  • the reference signal may also be abbreviated as Reference Signal (RS) or referred to as a pilot depending on the applicable standard.
  • RS Reference Signal
  • the phrase “based on” does not mean “based only on,” unless expressly stated otherwise. In other words, the phrase “based on” means both “based only on” and “based at least on.”
  • any reference to an element using a designation such as "first,” “second,” etc., 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, a reference to a first and a second element does not imply that only two elements may be employed therein or that the first element must precede the second element in some way.
  • determining may encompass a wide variety of actions.
  • Determining and “determining” may include, for example, judging, calculating, computing, processing, deriving, investigating, looking up, search, inquiry (e.g., searching in a table, database, or other data structure), and considering ascertaining as “judging” or “determining.”
  • determining and “determining” may include receiving (e.g., receiving information), transmitting (e.g., sending information), input, output, accessing (e.g., accessing data in memory), and considering ascertaining as “judging” or “determining.”
  • judgment” and “decision” can include considering resolving, selecting, choosing, establishing, comparing, etc., to have been “judged” or “decided.” In other words, “judgment” and “decision” can include considering some action to have been “judged” or “decided.” Additionally, “judgment (decision)” can be interpreted as “assuming,” “ex
  • a and B are different may mean “A and B are different from each other.”
  • the term may also mean “A and B are each different from C.”
  • Terms such as “separate” and “combined” may also be interpreted in the same way as “different.”
  • FIG. 8 shows an example of the configuration of a vehicle 2001.
  • the vehicle 2001 includes a drive unit 2002, a steering unit 2003, an accelerator pedal 2004, a brake pedal 2005, a shift lever 2006, left and right front wheels 2007, left and right rear wheels 2008, an axle 2009, an electronic control unit 2010, various sensors 2021-2029, an information service unit 2012, and a communication module 2013.
  • the drive unit 2002 is composed of, for example, an engine, a motor, or a hybrid of an engine and a motor.
  • the steering unit 2003 includes at least a steering wheel (also called a handle) and is configured to steer at least one of the front wheels and the rear wheels based on the operation of the steering wheel operated by the user.
  • a steering wheel also called a handle
  • the electronic control unit 2010 is composed of a microprocessor 2031, a memory (ROM, RAM) 2032, and a communication port (IO port) 2033. Signals are input to the electronic control unit 2010 from various sensors 2021 to 2027 provided in the vehicle.
  • the electronic control unit 2010 may also be called an ECU (Electronic Control Unit).
  • Signals from the various sensors 2021 to 2028 include a current signal from a current sensor 2021 that senses the current of the motor, a rotation speed signal of the front and rear wheels acquired by a rotation speed sensor 2022, an air pressure signal of the front and rear wheels acquired by an air pressure sensor 2023, a vehicle speed signal acquired by a vehicle speed sensor 2024, an acceleration signal acquired by an acceleration sensor 2025, an accelerator pedal depression amount signal acquired by an accelerator pedal sensor 2029, a brake pedal depression amount signal acquired by a brake pedal sensor 2026, a shift lever operation signal acquired by a shift lever sensor 2027, and a detection signal for detecting obstacles, vehicles, pedestrians, etc. acquired by an object detection sensor 2028.
  • the information service unit 2012 is composed of various devices, such as a car navigation system, an audio system, speakers, a television, and a radio, for providing various types of information such as driving information, traffic information, and entertainment information, and one or more ECUs for controlling these devices.
  • the information service unit 2012 uses information acquired from external devices via the communication module 2013, etc., to provide various types of multimedia information and multimedia services to the occupants of the vehicle 1.
  • the driving assistance system unit 2030 is composed of various devices that provide functions for preventing accidents and reducing the driving burden on the driver, such as a millimeter wave radar, LiDAR (Light Detection and Ranging), a camera, a positioning locator (e.g., GNSS, etc.), map information (e.g., high definition (HD) map, autonomous vehicle (AV) map, etc.), a gyro system (e.g., IMU (Inertial Measurement Unit), INS (Inertial Navigation System), etc.), AI (Artificial Intelligence) chip, and an AI processor, as well as one or more ECUs that control these devices.
  • the driving assistance system unit 2030 also transmits and receives various information via the communication module 2013 to realize driving assistance functions or autonomous driving functions.
  • the communication module 2013 can communicate with the microprocessor 2031 and components of the vehicle 1 via the communication port.
  • the communication module 2013 can communicate with the driving unit 2002, the steering unit 2003, the accelerator pedal 2004, the brake pedal 2005, the shift lever 2006, the left and right front wheels 2007, the left and right rear wheels 2008, the axle 2009, the microprocessor 2031 and the memory (ROM, RAM) in the electronic control unit 2010, which are provided in the vehicle 2001, via the communication port 2033.
  • 2032 transmits and receives data to and from the sensors 2021 to 2028.
  • the communication module 2013 is a communication device that can be controlled by the microprocessor 2031 of the electronic control unit 2010 and can communicate with an external device. For example, it transmits and receives various information to and from the external device via wireless communication.
  • the communication module 2013 may be located either inside or outside the electronic control unit 2010.
  • the external device may be, for example, a base station, a mobile station, etc.
  • the communication module 2013 transmits a current signal from the current sensor input to the electronic control unit 2010 to an external device via wireless communication.
  • the communication module 2013 also transmits to an external device via wireless communication the following signals input to the electronic control unit 2010: a front wheel or rear wheel rotation speed signal acquired by a rotation speed sensor 2022, a front wheel or rear wheel air pressure signal acquired by an air pressure sensor 2023, a vehicle speed signal acquired by a vehicle speed sensor 2024, an acceleration signal acquired by an acceleration sensor 2025, an accelerator pedal depression amount signal acquired by an accelerator pedal sensor 2029, a brake pedal depression amount signal acquired by a brake pedal sensor 2026, a shift lever operation signal acquired by a shift lever sensor 2027, and a detection signal for detecting an obstacle, a vehicle, a pedestrian, etc. acquired by an object detection sensor 2028.
  • the communication module 2013 receives various information (traffic information, signal information, vehicle distance information, etc.) transmitted from an external device, and displays it on the information service unit 2012 provided in the vehicle.
  • the communication module 2013 also stores the various information received from the external device in a memory 2032 that can be used by the microprocessor 2031. Based on the information stored in the memory 2032, the microprocessor 2031 may control the drive unit 2002, steering unit 2003, accelerator pedal 2004, brake pedal 2005, shift lever 2006, left and right front wheels 2007, left and right rear wheels 2008, axles 2009, sensors 2021-2028, and the like provided in the vehicle 2001.
  • the first feature is a terminal that includes a receiver that receives a downlink channel and a controller that assumes specific reception of one transport block that spans two or more slots in the downlink channel.
  • the second feature is that in the first feature, the control unit is a terminal that assumes the specific reception in a non-terrestrial network.
  • the third feature is a terminal according to the first or second feature, which is provided with a transmission unit that transmits capability information related to the specific reception.
  • the fourth feature is a base station that includes a transmitter that transmits a downlink channel, and a controller that assumes specific transmission of one transport block that spans two or more slots in the downlink channel.
  • the fifth feature is a wireless communication system comprising a terminal and a base station, the terminal comprising a receiver for receiving a downlink channel and a controller for assuming specific reception of one transport block spanning two or more slots in the downlink channel.
  • the sixth feature is a wireless communication method including step A of receiving a downlink channel, and step B of assuming specific reception of one transport block spanning two or more slots in the downlink channel.
  • Wireless Communication Systems 20 NG-RAN 100 gNB 110 Receiving unit 120 Transmitting unit 130 Control unit 200 UE 210 Radio signal transmitting/receiving unit 220 Amplifier unit 230 Modulation/demodulation unit 240 Control signal/reference signal processing unit 250 Encoding/decoding unit 260 Data transmitting/receiving unit 270 Control unit 1001 Processor 1002 Memory 1003 Storage 1004 Communication device 1005 Input device 1006 Output device 1007 Bus 2001 Vehicle 2002 Drive unit 2003 Steering unit 2004 Accelerator pedal 2005 Brake pedal 2006 Shift lever 2007 Left and right front wheels 2008 Left and right rear wheels 2009 Axle 2010 Electronic control unit 2012 Information service unit 2013 Communication module 2021 Current sensor 2022 RPM sensor 2023 Air pressure sensor 2024 Vehicle speed sensor 2025 Acceleration sensor 2026 Brake pedal sensor 2027 Shift lever sensor 2028 Object detection sensor 2029 Accelerator pedal sensor 2030 Driving assistance system section 2031 Microprocessor 2032 Memory (ROM, RAM) 2033 communication port

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Le présent terminal comprend une unité de réception qui reçoit un canal de liaison descendante, et une unité de commande qui suppose, dans le canal de liaison descendante, la réception spécifique d'un bloc de transport qui couvre deux créneaux ou plus.
PCT/JP2023/026467 2023-07-19 2023-07-19 Terminal, station de base, système de communication sans fil et procédé de communication sans fil Pending WO2025017887A1 (fr)

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Citations (1)

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Publication number Priority date Publication date Assignee Title
WO2023013191A1 (fr) * 2021-08-02 2023-02-09 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ Dispositif et procédé de communication

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023013191A1 (fr) * 2021-08-02 2023-02-09 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ Dispositif et procédé de communication

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LG ELECTRONICS: "Discussion on coverage enhancement for NR NTN", 3GPP DRAFT; R1-2207358, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Toulouse, France; 20220822 - 20220826, 12 August 2022 (2022-08-12), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052275293 *

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