WO2023242929A1 - 端末、基地局、無線通信システム及び無線通信方法 - Google Patents

端末、基地局、無線通信システム及び無線通信方法 Download PDF

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WO2023242929A1
WO2023242929A1 PCT/JP2022/023693 JP2022023693W WO2023242929A1 WO 2023242929 A1 WO2023242929 A1 WO 2023242929A1 JP 2022023693 W JP2022023693 W JP 2022023693W WO 2023242929 A1 WO2023242929 A1 WO 2023242929A1
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specific
unit
resource
allocation
communication
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PCT/JP2022/023693
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English (en)
French (fr)
Japanese (ja)
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翔平 吉岡
浩樹 原田
聡 永田
ルフア ヨウ
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株式会社Ｎｔｔドコモ
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Priority to PCT/JP2022/023693 priority Critical patent/WO2023242929A1/ja
Priority to JP2024527931A priority patent/JPWO2023242929A1/ja
Publication of WO2023242929A1 publication Critical patent/WO2023242929A1/ja

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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
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • 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

  • the present disclosure relates to a terminal, a base station, a wireless communication system, and a wireless communication method that implement scheduling (resource allocation) in NTN.
  • the 3rd Generation Partnership Project (3GPP) specifies the 5th generation mobile communication system (5G, also known as New Radio (NR) or Next Generation (NG)), and the next generation specifications called Beyond 5G, 5G Evolution, or 6G. is also progressing.
  • 5G also known as New Radio (NR) or Next Generation (NG)
  • NG Next Generation
  • 6G 6th Generation
  • NTN Non-Terrestrial Network
  • satellites artificial satellites
  • UL uplink
  • DL downlink
  • UE User Equipment
  • ITU International Telecommunication Union
  • the present invention was made to solve the above-mentioned problems, and aims to provide a terminal, a base station, a wireless communication system, and a wireless communication method that can realize appropriate scheduling (resource allocation) in NTN. shall be.
  • One aspect of the disclosure includes a control unit that assumes allocation of a specific resource in a specific unit in the frequency direction in a non-terrestrial network, and a communication unit that executes communication using the specific resource, and the specific unit is:
  • a terminal is a unit smaller than the existing allocation unit in the frequency direction.
  • One aspect of the disclosure includes a control unit that executes allocation of a specific resource in a specific unit in the frequency direction in a non-terrestrial network, and a communication unit that executes communication using the specific resource, and the specific unit is:
  • a base station is a unit smaller than the existing allocation unit in the frequency direction.
  • One aspect of the disclosure includes a terminal and a base station, and the terminal executes communication using the specific resource with a control unit that assumes allocation of specific resources in specific units in the frequency direction in a non-terrestrial network.
  • the wireless communication system includes a communication unit, and the specific unit is a unit smaller than an existing allocation unit in the frequency direction.
  • One aspect of the disclosure includes a step of assuming allocation of a specific resource in a specific unit in the frequency direction in a non-terrestrial network, and a step of performing communication using the specific resource, wherein the specific unit is an existing
  • This is a wireless communication method in which the unit is smaller than the allocation unit in the frequency direction.
  • FIG. 1 is an overall schematic configuration diagram of a wireless communication system 10.
  • FIG. 2 is a diagram showing frequency ranges used in the wireless communication system 10.
  • FIG. 3 is a diagram showing a configuration example of a radio frame, subframe, and slot used in the radio communication system 10.
  • FIG. 4 is a functional block diagram of the UE 200.
  • FIG. 5 is a functional block diagram of the gNB 100.
  • FIG. 6 is a diagram for explaining configuration example 1.
  • FIG. 7 is a diagram for explaining configuration example 1.
  • FIG. 8 is a diagram for explaining configuration example 3.
  • FIG. 9 is a diagram for explaining configuration example 3.
  • FIG. 10 is a diagram showing an example of the hardware configuration of the gNB 100 and the UE 200.
  • FIG. 11 is a diagram showing an example of the configuration of 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 that complies with 5G New Radio (NR), and includes a Next Generation-Radio Access Network 20 (hereinafter referred to as NG-RAN 20) and a terminal 200 (hereinafter referred to as UE (User Equipment) 200). .
  • NR 5G New Radio
  • NG-RAN 20 Next Generation-Radio Access Network 20
  • UE User Equipment
  • the wireless communication system 10 may be a wireless communication system that follows a system called Beyond 5G, 5G Evolution, or 6G.
  • the NG-RAN 20 includes a base station 100 (hereinafter referred to as gNB 100). Note that the specific configuration of the wireless communication system 10 including the number of gNBs 100 and UEs 200 is not limited to the example shown in FIG. 1.
  • the NG-RAN 20 actually includes multiple NG-RAN Nodes, specifically gNBs (or ng-eNBs), and is connected to a 5G-compliant core network 30 (for example, 5GC). Note that the NG-RAN 20 and the core network 30 may be simply expressed as a "network.”
  • gNB100 is a 5G-compliant wireless base station, and performs 5G-compliant wireless communication with UE200.
  • gNB100 and UE200 use Massive MIMO (Multiple-Input Multiple-Output), which generates a highly directional beam BM by controlling radio signals transmitted from multiple antenna elements, and multiple component carriers (CC). It can support carrier aggregation (CA), which is used in bundles, and dual connectivity (DC), which communicates with two or more transport blocks simultaneously between the UE and each of two NG-RAN nodes.
  • Massive MIMO Multiple-Input Multiple-Output
  • CA carrier aggregation
  • DC dual connectivity
  • the core network 30 includes a network device 300.
  • Network device 300 may include an LMF (Location Management Function).
  • Network device 300 may include an AMF (Access and Mobility management Function).
  • the network device 300 may be an E-SMLC (Evolved Serving Mobile Location Center).
  • NTN non-terrestrial network
  • Satellite 150 Satellite 150
  • TN terrestrial networks
  • 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 efficient multicast or broadcast scalability.
  • a network that does not include the satellite 150 but includes the gNB 100 and the UE 200 may be referred to as a terrestrial network (TN) in contrast to NTN.
  • TN terrestrial network
  • gNB100 has NTN gateway 100X.
  • NTN gateway 100X transmits downlink signals to satellite 150.
  • NTN gateway 100X receives uplink signals from satellite 150.
  • gNB100 has cell C1 as a coverage area.
  • the satellite 150 relays the downlink signal received from the NTN gateway 100X to the UE 200. Satellite 150 relays uplink signals received from UE 200 to NTN gateway 100X. Satellite 150 has cell C2 as its coverage area. The satellite 150 may be considered a TRP (Transmission-Reception Point).
  • TRP Transmission-Reception Point
  • the wireless communication system 10 supports multiple frequency ranges (FR).
  • FIG. 2 shows the frequency ranges used in wireless communication system 10.
  • the wireless communication system 10 supports FR1 and FR2.
  • the frequency bands of each FR are as follows.
  • FR1 410 MHz to 7.125 GHz
  • FR2 24.25 GHz to 52.6 GHz
  • SCS Sub-Carrier Spacing
  • BW bandwidth
  • FR2 is at a higher frequency than FR1, with an SCS of 60, or 120kHz (may include 240kHz), and a bandwidth (BW) of 50-400MHz may be used.
  • 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 a higher frequency band than the FR2 frequency band. Specifically, the wireless communication system 10 supports frequency bands exceeding 52.6 GHz and up to 71 GHz or 114.25 GHz. Such a high frequency band may be conveniently referred to as "FR2x.”
  • the wireless communication system 10 also supports frequency bands between FR1 and FR2. Specifically, the wireless communication system 10 supports frequency bands exceeding 7.125 GHz and up to 24.25 GHz.
  • Cyclic Prefix-Orthogonal Frequency Division Multiplexing (CP-OFDM) with larger Sub-Carrier Spacing (SCS)/ Discrete Fourier Transform - Spread (DFT-S-OFDM) may be applied.
  • SCS Sub-Carrier Spacing
  • DFT-S-OFDM Discrete Fourier Transform - Spread
  • FIG. 3 shows an example of the configuration of radio frames, subframes, and slots used in the radio communication system 10.
  • one slot consists of 14 symbols, and the larger (wider) the SCS, the shorter the symbol period (and slot period).
  • SCS is not limited to the intervals (frequency) shown in FIG. For example, 480kHz, 960kHz, etc. may be used.
  • the number of symbols that make up one slot does not necessarily have to be 14 symbols (for example, 28 symbols, 56 symbols). Furthermore, the number of slots per subframe may vary depending on the SCS.
  • time direction (t) shown in FIG. 3 may also be called a time domain, symbol period, symbol time, or the like.
  • the frequency direction may be referred to as a frequency domain, a resource block, a subcarrier, a bandwidth part (BWP), or the like.
  • DM-RS is a type of reference signal and is prepared for various channels.
  • it may mean a DM-RS for a downlink data channel, specifically, a PDSCH (Physical Downlink Shared Channel).
  • PDSCH Physical Downlink Shared Channel
  • the DM-RS for an uplink data channel, specifically, PUSCH Physical Uplink Shared Channel
  • PUSCH Physical Uplink Shared Channel
  • DM-RS may be used for channel estimation in a device, for example, UE 200 as part of coherent demodulation.
  • DM-RS may be present only in resource blocks (RBs) used for PDSCH transmission.
  • DM-RS may have multiple mapping types. Specifically, DM-RS has mapping type A and mapping type B. In mapping type A, the first DM-RS is placed in the second or third symbol of the slot. In mapping type A, the DM-RS may be mapped relative to slot boundaries, regardless of where in the slot the actual data transmission begins. The reason why the first DM-RS is placed in the second or third symbol of the slot may be interpreted as placing the first DM-RS after control resource sets (CORESET).
  • CORESET control resource sets
  • mapping type B the first DM-RS may be placed in the first symbol of the data allocation. That is, the position of the DM-RS may be given relative to where the data is located, rather than relative to the slot boundaries.
  • DM-RS may have multiple types. Specifically, DM-RS 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 can output up to 4 orthogonal signals in single-symbol DM-RS, Type 2 can output up to 8 orthogonal signals in double-symbol DM-RS can.
  • FIG. 4 is a functional block diagram of the UE 200.
  • the UE 200 includes a radio signal transmission/reception section 210, an amplifier section 220, a modulation/demodulation section 230, a control signal/reference signal processing section 240, an encoding/decoding section 250, a data transmission/reception section 260, and a control section 270. .
  • the wireless signal transmitting/receiving unit 210 transmits and receives wireless signals according to NR.
  • the radio signal transmitting/receiving unit 210 supports Massive MIMO, CA that uses a plurality of CCs in a bundle, and DC that simultaneously communicates between the UE and each of two NG-RAN nodes.
  • the amplifier section 220 is composed of a PA (Power Amplifier)/LNA (Low Noise Amplifier), etc.
  • Amplifier section 220 amplifies the signal output from modulation/demodulation section 230 to a predetermined power level. Furthermore, the amplifier section 220 amplifies the RF signal output from the radio signal transmitting/receiving section 210.
  • the modulation/demodulation unit 230 performs data modulation/demodulation, transmission power setting, resource block allocation, etc. for each predetermined communication destination (gNB 100 or other gNB).
  • the modulation/demodulation unit 230 may apply Cyclic Prefix-Orthogonal Frequency Division Multiplexing (CP-OFDM)/Discrete Fourier Transform-Spread (DFT-S-OFDM). Further, DFT-S-OFDM may be used not only for uplink (UL) but also for downlink (DL).
  • the control signal/reference signal processing unit 240 executes 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 processing unit 240 receives various control signals transmitted from the gNB 100 via a predetermined control channel, for example, a radio resource control layer (RRC) control signal. Furthermore, the control signal/reference signal processing unit 240 transmits various control signals to the gNB 100 via a predetermined control channel.
  • a predetermined control channel for example, a radio resource control layer (RRC) control signal.
  • RRC radio resource control layer
  • the control signal/reference signal processing unit 240 executes processing using reference signals (RS) such as Demodulation Reference Signal (DM-RS) and Phase Tracking Reference Signal (PTRS).
  • RS reference signals
  • DM-RS Demodulation Reference Signal
  • PTRS Phase Tracking Reference Signal
  • DM-RS is a reference signal (pilot signal) known between a terminal-specific base station and a terminal for estimating a fading channel used for data demodulation.
  • PTRS is a terminal-specific reference signal for the purpose of estimating phase noise, which is a problem in high frequency bands.
  • reference signals may include Channel State Information-Reference Signal (CSI-RS), Sounding Reference Signal (SRS), and Positioning Reference Signal (PRS) for location information. good.
  • CSI-RS Channel State Information-Reference Signal
  • SRS Sounding Reference Signal
  • PRS Positioning Reference Signal
  • Control channels include a control channel and a data channel.
  • 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 Includes Physical Broadcast Channel (PBCH), etc.
  • 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), PUSCH (Physical Uplink Shared Channel), and the like.
  • Data refers to data transmitted over a data channel.
  • a data channel may also be read as a shared channel.
  • control signal/reference signal processing section 240 may receive downlink control information (DCI).
  • DCI has the following existing fields: 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), RV (Redundancy Version), etc.
  • 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 is applied.
  • the BWP that can be specified by the BWP indicator is configured 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 DCI is applied. Frequency domain resources are identified by the value stored in the FDRA field and the 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.
  • Time domain resources are identified by the value stored in the TDRA field and the information elements (pdsch-TimeDomainAllocationList, pusch-TimeDomainAllocationList) included in the RRC message.
  • Time domain resources may be identified by values stored in TDRA fields and default tables.
  • 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 the RRC message and may be identified by RNTI scrambling.
  • the value stored in the HPN field is an information element that specifies the HARQ Process to which the DCI applies.
  • the value stored in NDI is an information element for specifying whether data to which DCI is applied is initial transmission data.
  • the value stored in the RV field is an information element that specifies the redundancy of data to
  • the encoding/decoding unit 250 performs data division/concatenation, channel coding/decoding, etc. for each predetermined communication destination (gNB 100 or other gNB).
  • the encoding/decoding unit 250 divides the data output from the data transmitting/receiving unit 260 into predetermined sizes, and performs channel coding on the divided data. Furthermore, the encoding/decoding section 250 decodes the data output from the modulation/demodulation section 230 and concatenates the decoded data.
  • the data transmitting and receiving unit 260 transmits and receives Protocol Data Units (PDUs) and Service Data Units (SDUs). Specifically, the data transceiver 260 transmits PDUs/SDUs in multiple layers (such as a medium access control layer (MAC), a radio link control layer (RLC), and a packet data convergence protocol layer (PDCP)). Perform assembly/disassembly, etc. The data transmitting/receiving 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 that configures the UE 200.
  • the control unit 270 constitutes a control unit that assumes allocation of specific resources in specific units in the frequency direction in NTN.
  • the specific unit is a unit smaller than the existing allocation unit in the frequency direction.
  • the existing allocation unit in the frequency direction may be an allocation unit used in TN.
  • the existing allocation unit in the frequency direction may be 1 PRB (Physical Resource Block).
  • control signal/reference signal processing unit 240 or the data transmitting/receiving unit 260 constitutes a communication unit that executes communication using specific resources allocated in specific units in the frequency direction. Communication using specific resources may include UL communication or DL communication.
  • FIG. 5 is a functional block diagram of the gNB 100. As shown in FIG. 5, the gNB 100 includes a receiving section 110, a transmitting section 120, and a control section 130.
  • the receiving unit 110 receives various signals from the UE 200.
  • the receiving unit 110 may receive the UL signal via PUCCH or PUSCH.
  • the transmitter 120 transmits various signals to the UE 200.
  • the transmitter 120 may transmit the DL signal via the PDCCH or PDSCH.
  • the control unit 130 controls the gNB 100.
  • the control unit 130 constitutes a control unit that executes allocation of specific resources in specific units in the frequency direction in NTN.
  • the receiving unit 110 or the transmitting unit 120 constitutes a communication unit that executes communication using specific resources allocated in specific units in the frequency direction. That is, receiving section 110 receives a UL signal using a specific resource, and transmitting section 120 transmits a DL signal using a specific resource.
  • an allocation unit (specific unit) used for scheduling in NTN is newly defined.
  • the specific unit may be a unit smaller than the existing allocation unit (1PRB) (for example, an RE level unit).
  • the specific unit may be considered to be an SC (Sub-Carrier) level unit.
  • specific resources are allocated in specific units within the existing allocation unit (1PRB).
  • the following options can be considered for scheduling (allocation) of specific resources.
  • scheduling (assignment) of X consecutive SC(s) may be performed.
  • X may be predefined in the wireless communication system 10, may be set by RRC (upper layer parameters), or may be specified by MAC CE or DCI.
  • RRC upper layer parameters
  • MAC CE MAC CE
  • DCI DCI
  • the possible values of X may be 1, 2, 3, 4, 6, etc.
  • the specific resources (X consecutive SC(s)) included in one PRB may be configured by RRC (upper layer parameters), or may be specified by MAC CE or DCI.
  • X consecutive SC(s) may be scheduled to be included within one PRB.
  • X consecutive SC(s) may be scheduled to straddle PRB boundaries.
  • one of the 12 specific resources (#1 to #12) can be scheduled as a specific resource within 1PRB. may be possible. That is, it is possible to schedule one RE (SC) within one PRB as a specific resource.
  • SC RE
  • one of the four specific resources (#1 to #4) can be scheduled as a specific resource within one PRB. may be possible. That is, it is possible to schedule three REs (SCs) within one PRB as specific resources.
  • one of the two specific resources (#1 to #2) can be scheduled as a specific resource within 1PRB. may be possible. That is, it is possible to schedule six REs (SCs) within one PRB as specific resources.
  • SCs REs
  • Y may be predefined in the wireless communication system 10, may be set by RRC (upper layer parameters), or may be specified by MAC CE or DCI. For example, possible values of Y may be 1, 2, 3, 4, 6, etc.
  • Which of the Y scheduling candidates in the Comb configuration to use may be set by RRC (upper layer parameters), or may be specified by MAC CE or DCI.
  • the frequency domain configuration of the specific resource a configuration similar to the frequency domain configuration of DM-RS, CSI-RS, PT-RS, SRS, etc. may be used.
  • one of the two specific resources (#1 to #2) can be scheduled as a specific resource within 1PRB. may be possible. That is, it is possible to schedule six discrete REs (SCs) within one PRB as specific resources.
  • SCs discrete REs
  • one of the four specific resources (#1 to #4) can be scheduled as a specific resource within one PRB.
  • FIG. 7 illustrates a case in which each allocated specific resource discretely includes 1RE (1SC) in the frequency direction, that is, a case in which one of Y scheduling candidates in the Comb configuration is allocated.
  • Each allocated specific resource may discretely include two or more consecutive REs (SCs) in the frequency direction.
  • SCs consecutive REs
  • a plurality of Y scheduling candidates in the Comb configuration may be allocated.
  • Configuration example 2 In configuration example 2, the following options may be introduced in configuration example 1.
  • the TBS Transport Block Size
  • the TBS Transport Block Size of the PDSCH or PUSCH may be calculated based on the specific resource (number of REs or number of SCs) included in 1PRB. .
  • N ⁇ RB_SC used for TBS calculation may be read as follows.
  • N ⁇ RB_SC may be read as X.
  • N ⁇ RB_SC may be read as 12/Y.
  • N ⁇ RB_SC may be a parameter specified in 3GPP TS38.214.
  • N'_RE used for TBS calculation may be read as follows.
  • N'_RE may be read as N'_RE ⁇ 1/X.
  • N'_RE may be read as N'_RE ⁇ Y/12.
  • N'_RE may be a parameter specified in 3GPP TS38.214. The 1/X or Y/12 multiplication may be performed after the calculation of N'_RE as specified in 3GPP TS38.214, or may be incorporated into the calculation of N'_RE as specified in 3GPP TS38.214. .
  • option 2 when the specific resource is a PUCCH, PRACH, S-SSB, or any RS(s) resource, the following options may be used as the sequence mapped to the specific resource.
  • sequences used in existing (PRB-based) scheduling are generated, and among the generated sequences, a sequence corresponding to a specific resource (i.e., a part of the generated sequence) may be used. .
  • a specific sequence corresponding to a specific resource may be generated.
  • the specific sequence may be a newly defined sequence that is different from the sequence used in existing (PRB-based) scheduling.
  • option 3 when the specific resource is a PUCCH or any RS(s) resource, the following options may be used for application of CDM (Code Division Multiplexing).
  • CDM Code Division Multiplexing
  • the UE 200 may assume that CDM is not applicable. For example, only one cyclic shift may be defined.
  • option 3-2 the UE 200 may assume that the CDM can be applied with fewer candidate configuration patterns or indication patterns than the existing (PRB-based) applicable CDM configuration patterns or indication patterns.
  • the UE operation related to signal generation in the first configuration example can be clarified.
  • the specific unit may be a unit smaller than the existing allocation unit (1 PRB) (for example, an RE level unit).
  • the specific unit may be considered to be an SC (Sub-Carrier) level unit.
  • Specific resources are periodically allocated in specific units across two or more existing allocation units (1 PRB). Such specific resources may be referred to as RE-level interlaced structures. Note that the RE-level interlaced structure may be applied to resource allocation of 1 PRB (ie, 12 SC or more).
  • the following options may be considered.
  • the specific resource may be scheduled using an index (hereinafter referred to as RE-level interlace index) that specifies the RE used as the specific resource.
  • the RE-level interlace index may be represented by n and N.
  • n may be an index that specifies the first RE to be used as the specific resource
  • N may be an index that specifies the cycle of the RE to be used as the specific resource. Therefore, the REs constituting the specific resource may be expressed as ⁇ n, n+N, n+2N, n+3N, ... ⁇ .
  • n and N may be predefined in the wireless communication system 10, may be set by RRC (upper layer parameters), or may be specified by MAC CE or DCI.
  • possible values of n may be 0, 1, 2, ...N-1.
  • n may include a value of 2 or more. Possible values of N may be 3, 4, 6, 12, 18, 48, etc.
  • the specific resource may be scheduled by an index (hereinafter referred to as starting RB index) that specifies the PRB from which allocation of the specific resource is started.
  • starting RB index an index that specifies the PRB from which allocation of the specific resource is started.
  • the specific resource may be scheduled using an index that specifies a range in the frequency direction in which scheduling of the specific resource continues.
  • the index that specifies the range may be an index that specifies the range based on PRB (hereinafter referred to as RB-set index).
  • the index that specifies the range may be an index that specifies the range based on RE (hereinafter referred to as RE-set index).
  • RE-set index may be represented by M.
  • M may be predefined in the wireless communication system 10, may be set by RRC (upper layer parameters), or may be specified by MAC CE or DCI.
  • each specific resource is scheduled in 6 RE periods over 48 REs (4 PRBs).
  • specific resource #1 is scheduled over 48 REs (4 PRBs) in six RE cycles.
  • specific resources #2 to #6 are also scheduled in six RE cycles over 48 REs (4 PRBs).
  • Which of the specific resources #1 to #6 is used is set or specified by the above-mentioned n. In FIG. 8, it is assumed that the frequencies in the lower row are continuous from the frequencies in the upper row.
  • each specific resource is scheduled in 24 RE periods over 48 REs (4 PRBs).
  • specific resource #1 is scheduled over 48 REs (4 PRBs) in 24 RE cycles.
  • specific resources #2 to #24 are also scheduled in 24 RE cycles over 48 REs (4 PRBs).
  • Which of the specific resources #1 to #24 is used is set or specified by the above-mentioned n. In FIG. 9, it is assumed that the frequencies in the lower row are continuous from the frequencies in the upper row. Further, in FIG. 9, specific resources #7 to #24 are shown in white, but it should be noted that they are different specific resources.
  • Configuration example 4 In configuration example 4, the following options may be introduced in configuration example 3.
  • the TBS Transport Block Size
  • the TBS Transport Block Size of the PDSCH or PUSCH may be calculated based on the specific resource (number of REs or number of SCs) included in 1PRB. .
  • N ⁇ RB_SC used for TBS calculation may be read as follows.
  • N ⁇ RB_SC may be read as 12/N.
  • N ⁇ RB_SC may be a parameter specified in 3GPP TS38.214.
  • N'_RE used for TBS calculation may be read as follows.
  • N'_RE may be read as N'_RE ⁇ N/12.
  • N'_RE may be a parameter specified in 3GPP TS38.214.
  • the 1/X or Y/12 multiplication may be performed after the calculation of N'_RE as specified in 3GPP TS38.214, or may be incorporated into the calculation of N'_RE as specified in 3GPP TS38.214. .
  • option 2 when the specific resource is a PUCCH, PRACH, S-SSB, or any RS(s) resource, the following options may be used as the sequence mapped to the specific resource.
  • sequences used in existing (PRB-based) scheduling are generated, and among the generated sequences, a sequence corresponding to a specific resource (i.e., a part of the generated sequence) may be used. .
  • a specific sequence corresponding to a specific resource may be generated.
  • the specific sequence may be a newly defined sequence that is different from the sequence used in existing (PRB-based) scheduling.
  • option 3 when the specific resource is a PUCCH or any RS(s) resource, the following options may be used for application of CDM (Code Division Multiplexing).
  • CDM Code Division Multiplexing
  • the UE 200 may assume that CDM is not applicable. For example, only one cyclic shift may be defined.
  • option 3-2 the UE 200 may assume that the CDM can be applied with fewer candidate configuration patterns or indication patterns than the existing (PRB-based) applicable CDM configuration patterns or indication patterns.
  • the UE operation related to signal generation in configuration example 3 can be clarified.
  • Configuration example 5 in any of configuration examples 1 to 4, or independently of configuration examples 1 to 4, the specific resource is a physical downlink shared channel (PDSCH) resource. are assigned to frequency hop in the time direction.
  • PDSCH physical downlink shared channel
  • the hopping offset of a specific resource may be predefined in the wireless communication system 10, may be set by RRC (upper layer parameter), or may be specified by MAC CE or DCI.
  • Frequency hopping of a specific resource may be performed as two or more patterns that map VRBs (Virtual Resource Blocks) to PRBs. For example, a first pattern may be applied to the first hop, and a second pattern may be applied to the second hop.
  • VRBs Virtual Resource Blocks
  • Whether or not to apply frequency hopping for a specific resource may be set by RRC (upper layer parameters), or may be specified by MAC CE or DCI.
  • Frequency hopping of specific resources may include Intra-slot FH, Inter-slot FH, Inter-multi slot FH, etc.
  • Intra-slot FH, Inter-slot FH, and Inter-multi slot FH may be set by RRC (upper layer parameters), or may be specified by MAC CE or DCI.
  • the UE 200 assumes allocation of specific resources in specific units smaller than the existing allocation unit (1PRB) in NTN.
  • the gNB 100 executes specific resource allocation in NTN in specific units smaller than the existing allocation unit (1 PRB). According to such a configuration, it is possible to expand the coverage of DL communication or UL communication using specific resources in NTN.
  • a single non-ground network device may be any node that constitutes the NTN in the air, and may be referred to as an airborne node, an airborne object, or an airborne vehicle.
  • any two or more configuration examples selected from the above configuration examples 1 to 5 may be combined. Any two or more options selected from the options of each configuration example described above may be combined.
  • specific resources allocated in specific units may be applied to DL or UL.
  • the specific resources are PDSCH, PUSCH-PUSCH, PBCH, PDCCH, PUCCH, Msg.2-PDSCH, MSG.2-PDCCH, Msg.3, Msg.3-PDCCH, Msg.4-PDSCH, Msg.4-PDCCH, It may be applied to one or more channels selected from Msg.4-PUCCH (hereinafter Condition 1).
  • the specific resource may not be used for the TN but may be used for the NTN.
  • the specific resource may be used for both TN and NTN (hereinafter, condition 2).
  • a specific resource may apply to a specific NTN Type (for example, GEO; Geostationary Orbit) and may not apply to NTN Types other than the specific NTN Type.
  • the UE 200 may assume a specific NTN Type and may decide to apply specific resources based on specific parameters (e.g. K_offset, satellite ephemeris-related parameters, etc.) (see below). , condition 3).
  • the specific resource may not be applied to the case where Transform precoding is disabled, but may be applied to the case where Transform precoding is enabled.
  • the specific resource may be applied to both the case where Transform precoding is disabled and the case where Transform precoding is enabled (hereinafter, condition 4).
  • the details (parameters, patterns, density, etc.) of the specific resource may differ for each of the above conditions (conditions 1 to 4).
  • details of specific resources may be predefined in the wireless communication system 10, may be configured by cell-common signaling, and may be configured by the UE. -specific signaling, cell-common signaling, or UE-specific signaling.
  • the applicability of details of a specific resource may be reported from the UE 200.
  • the specific resource may be supported by the UE 200 that supports NTN of 3GPP Release-18.
  • the UE 200 may newly load a specific resource configuration (RA-related configuration) when NTN's TA (Timing Advance) is updated (i.e., the specific resource configuration). ).
  • RA-related configuration a specific resource configuration
  • NTN's TA Tu Advance
  • the UE 200 may newly read the specific resource configuration (RA-related configuration) when the coordinates of the satellite 150 are reacquired in NTN (i.e., the specific resource configuration). ).
  • the configuration of specific resources may be sent along with satellite ephemeris-related information.
  • the UE Capability shown below may be reported from the UE 200 to the gNB 100.
  • UE Capability may include an information element indicating whether one or more configuration examples selected from configuration examples 1 to 5 described above are supported.
  • UE Capability may include an information element indicating whether or not one or more options selected from the options of each configuration example described above are supported.
  • configure, activate, update, indicate, enable, specify, and select may be used interchangeably.
  • link, associate, correspond, and map may be used interchangeably; allocate, assign, and monitor.
  • map may also be read interchangeably.
  • each functional block may be realized using one physically or logically coupled device, or may be realized using two or more physically or logically separated devices directly or indirectly (e.g. , wired, wireless, etc.) and may be realized using a plurality of these devices.
  • the functional block may be realized by combining software with the one device or the plurality of devices.
  • Functions include judgment, decision, judgment, calculation, calculation, processing, derivation, investigation, exploration, confirmation, reception, transmission, output, access, resolution, selection, selection, establishment, comparison, assumption, expectation, consideration, These include, but are not limited to, broadcasting, notifying, communicating, forwarding, configuring, reconfiguring, allocating, mapping, and assigning. I can't.
  • a functional block (configuration unit) that performs transmission is called a transmitting unit or a transmitter. In either case, as described above, the implementation method is not particularly limited.
  • FIG. 10 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, a bus 1007, and the like.
  • the word “apparatus” can be read as a circuit, a device, a unit, etc.
  • the hardware configuration of the device may include one or more of the devices shown in the figure, or may not include some of the devices.
  • Each functional block of the device (see FIGS. 4-5) is realized by any hardware element of the computer device or a combination of hardware elements.
  • each function in the device is performed by loading predetermined software (programs) onto hardware such as the processor 1001 and memory 1002, so that the processor 1001 performs calculations, controls communication by the communication device 1004, and controls the memory This is realized by controlling at least one of data reading and writing in the storage 1002 and the storage 1003.
  • predetermined software programs
  • the processor 1001 for example, operates an operating system to control 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 unit, registers, and the like.
  • CPU central processing unit
  • 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 these.
  • programs program codes
  • software modules software modules
  • data etc.
  • the various processes described above may be executed by one processor 1001, or may be executed by two or more processors 1001 simultaneously or sequentially.
  • Processor 1001 may be implemented by one or more chips. Note that the program may be transmitted from a network via a telecommunications line.
  • the memory 1002 is a computer-readable recording medium, and includes at least one of Read Only Memory (ROM), Erasable Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), Random Access Memory (RAM), etc. may be done.
  • Memory 1002 may be called a register, cache, main memory, or the like.
  • the memory 1002 can store programs (program codes), software modules, etc. that can execute a method according to an embodiment of the present disclosure.
  • the storage 1003 is a computer-readable recording medium, such as an optical disk such as a Compact Disc ROM (CD-ROM), a hard disk drive, a flexible disk, a magneto-optical disk (such as a compact disk, a digital versatile disk, or a Blu-ray disk). (registered trademark disk), smart card, flash memory (eg, card, stick, key drive), floppy disk, magnetic strip, etc.
  • Storage 1003 may also be called auxiliary storage.
  • the above-mentioned recording medium may be, for example, a database including at least one of memory 1002 and storage 1003, a server, or other suitable medium.
  • the communication device 1004 is hardware (transmission/reception device) for communicating between computers via at least one of a wired network and a wireless network, and is also referred to as, for example, a network device, network controller, network card, communication module, etc.
  • the communication device 1004 includes, for example, a high frequency switch, a duplexer, a filter, a frequency synthesizer, etc. to realize at least one of frequency division duplex (FDD) and time division duplex (TDD). It may be composed of.
  • FDD frequency division duplex
  • TDD time division duplex
  • the input device 1005 is an input device (eg, keyboard, mouse, microphone, switch, button, sensor, etc.) that accepts input from the outside.
  • the output device 1006 is an output device (for example, a display, a speaker, an LED lamp, etc.) that performs output to the outside. Note that the input device 1005 and the output device 1006 may have an integrated configuration (for example, a touch panel).
  • each device such as the processor 1001 and the memory 1002 is connected by a bus 1007 for communicating information.
  • the bus 1007 may be configured using a single bus, or may be configured using different buses for each device.
  • the device includes hardware such as a microprocessor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a programmable logic device (PLD), and a field programmable gate array (FPGA).
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • PLD programmable logic device
  • FPGA field programmable gate array
  • processor 1001 may be implemented using at least one of these hardwares.
  • information notification is not limited to the aspects/embodiments described in this disclosure, and may be performed using other methods.
  • information notification can be performed using physical layer signaling (e.g., Downlink Control Information (DCI), Uplink Control Information (UCI)), upper 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 thereof.
  • DCI Downlink Control Information
  • UCI Uplink Control Information
  • RRC signaling e.g., RRC signaling, Medium Access Control (MAC) signaling, broadcast information (Master Information Block (MIB), System Information Block (SIB)
  • RRC signaling may also be referred to as RRC messages, such as RRC Connection Setup ) message, RRC Connection Reconfiguration message, etc.
  • LTE Long Term Evolution
  • LTE-A LTE-Advanced
  • SUPER 3G IMT-Advanced
  • 4th generation mobile communication system 4th generation mobile communication system
  • 5th generation mobile communication system 5G
  • 6th generation mobile communication system 6th generation mobile communication system
  • xth generation mobile communication system x is an integer or decimal, for example
  • Future Radio Access FAA
  • New Radio NR
  • W-CDMA registered trademark
  • GSM® CDMA2000
  • UMB Ultra Mobile Broadband
  • IEEE 802.11 Wi-Fi®
  • IEEE 802.16 WiMAX®
  • IEEE 802.20 Ultra-WideBand (UWB), Bluetooth (registered trademark), other appropriate systems, and next-generation systems expanded based on these.
  • a combination of multiple systems for example, a combination of at least one of LTE and LTE-A with 5G
  • a combination of at least one of LTE and LTE-A with 5G may be applied.
  • the specific operations performed by the base station in this disclosure may be performed by its upper node.
  • various operations performed for communication with a terminal are performed by the base station and other network nodes other than the base station (e.g., MME or It is clear that this could be done by at least one of the following: S-GW, etc.).
  • MME Mobility Management Entity
  • S-GW Serving GW
  • Information, signals can be output from an upper layer (or lower layer) to a lower layer (or upper layer). It may be input/output via multiple network nodes.
  • the input/output information may be stored in a specific location (for example, memory) or may be managed using a management table. Information that is input and output can be overwritten, updated, or added. The output information may be deleted. The input information may be sent to other devices.
  • Judgment may be made by a value expressed by 1 bit (0 or 1), by a truth value (Boolean: true or false), or by comparing numerical values (for example, by using a predetermined value). (comparison with a value).
  • notification of prescribed information is not limited to being done explicitly, but may also be done implicitly (for example, not notifying the prescribed information). Good too.
  • Software includes instructions, instruction sets, code, code segments, program code, programs, subprograms, software modules, whether referred to as software, firmware, middleware, microcode, hardware description language, or by any other name. , should be broadly construed to mean an application, software application, software package, routine, subroutine, object, executable, thread of execution, procedure, function, etc.
  • software, instructions, information, etc. may be sent and received via a transmission medium.
  • a transmission medium For example, if the software uses wired technology (coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), etc.) and/or wireless technology (infrared, microwave, etc.) to When transmitted from a server or other remote source, these wired and/or wireless technologies are included within the definition of transmission medium.
  • wired technology coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), etc.
  • wireless technology infrared, microwave, etc.
  • data, instructions, commands, information, signals, bits, symbols, chips, etc. which may be referred to throughout the above description, may refer to voltages, currents, electromagnetic waves, magnetic fields or magnetic particles, light fields or photons, or any of these. It may also be represented by a combination of
  • At least one of the channel and the symbol may be a signal.
  • the signal may be a message.
  • a component carrier may also be called a carrier frequency, cell, frequency carrier, etc.
  • system and “network” are used interchangeably.
  • radio resources may be indicated by an index.
  • base station BS
  • wireless base station fixed station
  • NodeB NodeB
  • eNodeB eNodeB
  • gNodeB gNodeB
  • a base station is sometimes referred to by terms such as macrocell, small cell, femtocell, and picocell.
  • a base station can accommodate one or more (eg, three) cells (also called sectors). If a base station accommodates multiple cells, the overall coverage area of the base station can be partitioned into multiple smaller areas, and each smaller area is divided into multiple subsystems (e.g., small indoor base stations (Remote Radio Communication services can also be provided by Head: RRH).
  • RRH Remote Radio Communication services
  • cell refers to part or all of the coverage area of a base station and/or base station subsystem that provides communication services in this coverage.
  • the base station transmitting information to the terminal may be read as the base station instructing the terminal to control/operate based on the information.
  • MS Mobile Station
  • UE User Equipment
  • a mobile station is defined by a person 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 It may also be referred to as a terminal, remote terminal, handset, user agent, mobile client, client, or some other suitable terminology.
  • At least one of a base station and a mobile station may be called a transmitting device, a receiving device, a communication device, etc.
  • the base station and the mobile station may be a device mounted on a mobile body, the mobile body itself, or the like.
  • the moving object may be a vehicle (for example, a car, an airplane, etc.), an unmanned moving object (for example, a drone, a self-driving car, etc.), or a robot (manned or unmanned). ).
  • at least one of the base station and the mobile station includes devices that do not necessarily move during communication operations.
  • at least one of the base station and the mobile station may be an Internet of Things (IoT) device such as a sensor.
  • IoT Internet of Things
  • the base station in the present disclosure may be read as a mobile station (user terminal, hereinafter the same).
  • communication between a base station and a mobile station is replaced with communication between multiple mobile stations (for example, it may be called Device-to-Device (D2D), Vehicle-to-Everything (V2X), etc.).
  • D2D Device-to-Device
  • V2X Vehicle-to-Everything
  • each aspect/embodiment of the present disclosure may be applied.
  • the mobile station may have the functions that the base station has.
  • words such as "up” and “down” may be replaced with words corresponding to inter-terminal communication (for example, "side”).
  • uplink channels, downlink channels, etc. may be replaced with side channels.
  • the mobile station in the present disclosure may be read as a base station.
  • the base station may have the functions that the mobile station has.
  • a radio frame may be composed of one or more frames in the time domain. Each frame or 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 (eg, 1 ms) that does not depend on numerology.
  • the numerology may be a communication parameter applied to the transmission and/or reception of a certain signal or channel. Numerology includes, for example, subcarrier spacing (SCS), bandwidth, symbol length, cyclic prefix length, transmission time interval (TTI), number of symbols per TTI, radio frame configuration, transmission and reception. It may also indicate at least one of a specific filtering process performed by the device in the frequency domain, a specific windowing process performed by the transceiver in the time domain, etc.
  • SCS subcarrier spacing
  • TTI transmission time interval
  • the numerology may also indicate at least one of a specific filtering process performed by the device in the frequency domain, a specific windowing process performed by the transceiver in the time domain, etc.
  • a slot may be composed of one or more symbols (Orthogonal Frequency Division Multiplexing (OFDM) symbols, Single Carrier Frequency Division Multiple Access (SC-FDMA) symbols, etc.) in the time domain.
  • OFDM Orthogonal Frequency Division Multiplexing
  • SC-FDMA Single Carrier Frequency Division Multiple Access
  • a slot may be a unit of time based on numerology.
  • a slot may include multiple mini-slots. Each minislot may be composed of one or more symbols in the time domain. Furthermore, a mini-slot may also be called a sub-slot. A minislot may be made up of fewer symbols than a slot.
  • PDSCH (or PUSCH) transmitted in time units larger than minislots may be referred to as PDSCH (or PUSCH) mapping type A.
  • PDSCH (or PUSCH) transmitted using minislots may be referred to as PDSCH (or PUSCH) mapping type B.
  • Radio frames, subframes, slots, minislots, and symbols all represent time units when transmitting signals. Other names may be used for 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 minislot may be called a TTI.
  • at least one of the subframe and TTI may be a subframe (1ms) in existing LTE, a period shorter than 1ms (for example, 1-13 symbols), or a period longer than 1ms. It may be.
  • the unit representing TTI may be called a slot, minislot, etc. instead of a subframe.
  • TTI refers to, for example, the minimum time unit for scheduling in wireless communication.
  • a base station performs scheduling to allocate radio resources (frequency bandwidth, transmission power, etc. that can be used by each user terminal) to each user terminal on a TTI basis.
  • radio resources frequency bandwidth, transmission power, etc. that can be used by each user terminal
  • TTI is not limited to this.
  • the TTI may be a unit of transmission time such as a channel-coded data packet (transport block), a code block, or a codeword, or may be a unit of processing such as scheduling or link adaptation. Note that when a TTI is given, the time interval (for example, the number of symbols) to which transport blocks, code blocks, code words, etc. are actually mapped may be shorter than the TTI.
  • one slot or one minislot is called a TTI
  • one or more TTIs may be the minimum time unit for scheduling.
  • the number of slots (minislot number) that constitutes the minimum time unit of the scheduling may be controlled.
  • a TTI with a time length of 1 ms may be called a normal TTI (TTI in LTE Rel. 8-12), normal TTI, long TTI, normal subframe, normal subframe, long subframe, slot, etc.
  • TTI that is shorter than the normal TTI may be referred to as a shortened TTI, short TTI, partial or fractional TTI, shortened subframe, short subframe, minislot, subslot, slot, etc.
  • long TTI e.g., normal TTI, subframe, etc.
  • short TTI e.g., shortened TTI, etc.
  • TTI with a time length of less than the long TTI and 1ms. It may also be read as a TTI having a TTI length of the above length.
  • a resource block is a resource allocation unit in the time domain and frequency domain, and may include one or more continuous subcarriers in the frequency domain.
  • the number of subcarriers included in an RB may be the same regardless of the newerology, and may be 12, for example.
  • the number of subcarriers included in an RB may be determined based on newerology.
  • 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 can be classified into physical resource blocks (Physical RBs: PRBs), sub-carrier groups (SCGs), resource element groups (Resource Element Groups: REGs), PRB pairs, RB pairs, etc. May be called.
  • Physical RBs Physical RBs: PRBs
  • SCGs sub-carrier groups
  • REGs resource element groups
  • PRB pairs RB pairs, etc. May be called.
  • a resource block may be composed of one or more resource elements (RE).
  • 1RE may be a radio resource region of 1 subcarrier and 1 symbol.
  • Bandwidth Part (also called partial bandwidth, etc.) refers to a subset of contiguous common resource blocks for a certain numerology in a certain carrier. good.
  • the common RB may be specified by an RB index based on a common reference point of the carrier.
  • PRBs may be defined in a BWP and numbered within that BWP.
  • BWP may include BWP for UL (UL BWP) and BWP for DL (DL BWP).
  • BWP may include BWP for UL (UL BWP) and BWP for DL (DL BWP).
  • One or more BWPs may be configured within one carrier for the UE.
  • At least one of the configured BWPs may be active, and the UE may not expect to transmit or receive a given signal/channel outside of the active BWP.
  • “cell”, “carrier”, etc. in the present disclosure may be replaced with “BWP”.
  • radio frames, subframes, slots, minislots, symbols, etc. described above are merely examples.
  • the number of subframes included in a radio frame, the number of slots per subframe or radio frame, the number of minislots included in a slot, the number of symbols and RBs included in a slot or minislot, the number of symbols included in an RB The number of subcarriers, the number of symbols within a TTI, the symbol length, the cyclic prefix (CP) length, and other configurations can be changed in various ways.
  • connection means any connection or coupling, direct or indirect, between two or more elements and each other. It can include the presence of one or more intermediate elements between two elements that are “connected” or “coupled.”
  • the bonds or connections between elements may be physical, logical, or a combination thereof. For example, "connection” may be replaced with "access.”
  • two elements include one or more electrical wires, cables, and/or printed electrical connections, as well as in the radio frequency domain, as some non-limiting and non-inclusive examples. , electromagnetic energy having wavelengths in the microwave and optical (both visible and non-visible) ranges.
  • the reference signal can also be abbreviated as Reference Signal (RS), and may be called a pilot depending on the applied standard.
  • RS Reference Signal
  • the phrase “based on” does not mean “based solely on” unless explicitly stated otherwise. In other words, the phrase “based on” means both “based only on” and “based at least on.”
  • any reference to elements using the designations "first,” “second,” etc. does not generally limit the amount or order of those elements. These designations may be used in this disclosure as a convenient way to distinguish between two or more elements. Thus, reference to a first and second element does not imply that only two elements may be employed therein or that the first element must precede the second element in any way.
  • determining may encompass a wide variety of operations.
  • “Judgment” and “decision” include, for example, judging, calculating, computing, processing, deriving, investigating, looking up, search, and inquiry. (e.g., searching in a table, database, or other data structure), and regarding an ascertaining as a “judgment” or “decision.”
  • judgment and “decision” refer to receiving (e.g., receiving information), transmitting (e.g., sending information), input, output, and access.
  • (accessing) may include considering something as a “judgment” or “decision.”
  • judgment and “decision” refer to resolving, selecting, choosing, establishing, comparing, etc. as “judgment” and “decision”. may be included.
  • judgment and “decision” may include regarding some action as having been “judged” or “determined.”
  • judgment (decision) may be read as “assuming", “expecting", “considering”, etc.
  • a and B are different may mean “A and B are different from each other.” Note that the term may also mean that "A and B are each different from C”. Terms such as “separate” and “coupled” may also be interpreted similarly to “different.”
  • FIG. 11 shows an example of the configuration of the 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, Equipped with various sensors 2021 to 2029, an information service section 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 referred to as a steering wheel), and is configured to steer at least one of the front wheels and the rear wheels based on the operation of the steering wheel operated by the user.
  • a steering wheel also referred to as a steering wheel
  • the electronic control unit 2010 is composed of a microprocessor 2031, memory (ROM, RAM) 2032, and communication port (IO port) 2033. Signals from various sensors 2021 to 2027 provided in the vehicle are input to the electronic control unit 2010.
  • the electronic control unit 2010 may also be called an ECU (Electronic Control Unit).
  • Signals from various sensors 2021 to 2028 include current signals from current sensor 2021 that senses motor current, front and rear wheel rotation speed signals obtained by rotation speed sensor 2022, and front wheel rotation speed signals obtained by air pressure sensor 2023. and rear wheel air pressure signal, vehicle speed signal acquired by vehicle speed sensor 2024, acceleration signal acquired by acceleration sensor 2025, accelerator pedal depression amount signal acquired by accelerator pedal sensor 2029, and brake pedal sensor 2026. These include a brake pedal depression amount signal, a shift lever operation signal acquired by the shift lever sensor 2027, and a detection signal for detecting obstacles, vehicles, pedestrians, etc. acquired by the object detection sensor 2028.
  • the Information Services Department 2012 provides various devices such as car navigation systems, audio systems, speakers, televisions, and radios that provide various information such as driving information, traffic information, and entertainment information, as well as one or more devices that control these devices. It consists of an ECU.
  • the information service unit 2012 provides various multimedia information and multimedia services to the occupants of the vehicle 1 using information acquired from an external device via the communication module 2013 and the like.
  • the driving support system unit 2030 includes millimeter wave radar, LiDAR (Light Detection and Ranging), cameras, positioning locators (e.g. GNSS, etc.), map information (e.g. high definition (HD) maps, autonomous vehicle (AV) maps, etc.) ), gyro systems (e.g., IMU (Inertial Measurement Unit), INS (Inertial Navigation System), etc.), AI (Artificial Intelligence) chips, and AI processors that prevent accidents and reduce the driver's driving burden. It consists of various devices that provide functions for the purpose and one or more ECUs that control these devices. Further, the driving support system unit 2030 transmits and receives various information via the communication module 2013, and realizes a driving support function or an automatic driving function.
  • GPS Light Detection and Ranging
  • map information e.g. high definition (HD) maps, autonomous vehicle (AV) maps, etc.
  • gyro systems e.g., IMU (Inertial Measurement Unit), INS (Iner
  • the communication module 2013 can communicate with the microprocessor 2031 and the components of the vehicle 1 via the communication port.
  • the communication module 2013 communicates with 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, which are included in the vehicle 2001, through the communication port 2033.
  • Data is transmitted and received between the axle 2009, the microprocessor 2031 and memory (ROM, RAM) 2032 in the electronic control unit 2010, and 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 external devices. For example, various information is transmitted and received with an external device via wireless communication.
  • Communication module 2013 may be located either inside or outside electronic control unit 2010.
  • the external device may be, for example, a base station, a mobile station, or the like.
  • the communication module 2013 transmits the current signal from the current sensor input to the electronic control unit 2010 to an external device via wireless communication.
  • the communication module 2013 also receives the front wheel and rear wheel rotational speed signals acquired by the rotational speed sensor 2022, the front wheel and rear wheel air pressure signals acquired by the air pressure sensor 2023, and the vehicle speed sensor, which are input to the electronic control unit 2010.
  • the shift lever operation signal acquired by the sensor 2027, the detection signal for detecting obstacles, vehicles, pedestrians, etc. acquired by the object detection sensor 2028 are also transmitted to the external device via wireless communication.
  • the communication module 2013 receives various information (traffic information, signal information, inter-vehicle information, etc.) transmitted from external devices, and displays it on the information service section 2012 provided in the vehicle. Communication module 2013 also stores various information received from external devices into memory 2032 that can be used by microprocessor 2031. Based on the information stored in the memory 2032, the microprocessor 2031 controls the drive unit 2002, steering unit 2003, accelerator pedal 2004, brake pedal 2005, shift lever 2006, left and right front wheels 2007, and left and right rear wheels provided in the vehicle 2001. 2008, axle 2009, sensors 2021 to 2028, etc. may be controlled.
  • various information traffic information, signal information, inter-vehicle information, etc.
  • a first feature is that the controller includes a control unit that assumes allocation of a specific resource allocated in a specific unit in the frequency direction in a non-terrestrial network, and a communication unit that executes communication using the specific resource; is a terminal, which is a unit smaller than the existing allocation unit in the frequency direction.
  • a second feature is that in the first feature, the specific resource is allocated to a terminal in the specific unit within one existing frequency direction allocation unit.
  • a third feature is that in the first feature or the second feature, the specific resource is periodically allocated to the terminal in the specific unit across two or more frequency direction allocation units.
  • a fourth feature is that in at least one of the first to third features, the specific resource performs frequency hopping in the time direction when the specific resource is a physical downlink shared channel resource. It is a terminal that is assigned as follows.
  • the non-terrestrial network includes a control unit that executes allocation of a specific resource allocated in a specific unit in the frequency direction, and a communication unit that executes communication using the specific resource, the specific unit is a base station, which is a unit smaller than the existing allocation unit in the frequency direction.
  • a sixth feature is that the terminal includes a terminal and a base station, and the terminal includes a control unit that assumes allocation of a specific resource that is allocated in a specific unit in the frequency direction in a non-terrestrial network, and a control unit that assumes allocation of a specific resource in a non-terrestrial network, and that performs communication using the specific resource. and a communication unit that executes the wireless communication system, wherein the specific unit is a unit smaller than an existing allocation unit in the frequency direction.
  • a seventh feature includes the steps of assuming the allocation of a specific resource to be allocated in a specific unit in the frequency direction in a non-terrestrial network, and the step of performing communication using the specific resource, wherein the specific unit is: This is a wireless communication method in which the unit is smaller than the existing frequency direction allocation unit.
  • Wireless communication system 20 NG-RAN 30 core network 100 gNB 100X NTN gateway 110 Receiving section 120 Transmitting section 130 Control section 200 UE 210 Wireless signal transmission/reception unit 220 Amplifier unit 230 Modulation/demodulation unit 240 Control signal/reference signal processing unit 250 Encoding/decoding unit 260 Data transmission/reception unit 270 Control unit 300 Network device 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 department 2013 Communication module 2021 Current sensor 2022 Rotation speed 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 support system section 2031 Microprocessor 2032 Memory (ROM, RAM) 2033 communication port

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  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013118646A (ja) * 2012-12-14 2013-06-13 Sharp Corp 移動局装置、基地局装置および集積回路
WO2019017391A1 (ja) * 2017-07-18 2019-01-24 シャープ株式会社 端末装置、基地局装置、および、通信方法
JP2019054306A (ja) * 2016-01-26 2019-04-04 シャープ株式会社 基地局装置、端末装置および通信方法
JP2021510487A (ja) * 2018-01-13 2021-04-22 ウィルス インスティテュート オブ スタンダーズ アンド テクノロジー インコーポレイティド ワイヤレス通信システムのリソース割振り方法、デバイス、およびシステム
WO2022091557A1 (ja) * 2020-10-29 2022-05-05 株式会社Ｎｔｔドコモ 端末、基地局及び通信方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013118646A (ja) * 2012-12-14 2013-06-13 Sharp Corp 移動局装置、基地局装置および集積回路
JP2019054306A (ja) * 2016-01-26 2019-04-04 シャープ株式会社 基地局装置、端末装置および通信方法
WO2019017391A1 (ja) * 2017-07-18 2019-01-24 シャープ株式会社 端末装置、基地局装置、および、通信方法
JP2021510487A (ja) * 2018-01-13 2021-04-22 ウィルス インスティテュート オブ スタンダーズ アンド テクノロジー インコーポレイティド ワイヤレス通信システムのリソース割振り方法、デバイス、およびシステム
WO2022091557A1 (ja) * 2020-10-29 2022-05-05 株式会社Ｎｔｔドコモ 端末、基地局及び通信方法

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