WO2024161661A1 - Terminal - Google Patents

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Publication number
WO2024161661A1
WO2024161661A1 PCT/JP2023/003673 JP2023003673W WO2024161661A1 WO 2024161661 A1 WO2024161661 A1 WO 2024161661A1 JP 2023003673 W JP2023003673 W JP 2023003673W WO 2024161661 A1 WO2024161661 A1 WO 2024161661A1
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WIPO (PCT)
Prior art keywords
information
pucch
slot
unit
transmission
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PCT/JP2023/003673
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English (en)
Japanese (ja)
Inventor
翔平 吉岡
浩樹 原田
聡 永田
ジン ワン
ルフア ヨウ
Original Assignee
株式会社Ｎｔｔドコモ
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Application filed by 株式会社Ｎｔｔドコモ filed Critical 株式会社Ｎｔｔドコモ
Priority to PCT/JP2023/003673 priority Critical patent/WO2024161661A1/fr
Publication of WO2024161661A1 publication Critical patent/WO2024161661A1/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
    • 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
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA

Definitions

  • frequency hopping frequency hopping
  • multiple slots are used, unlike conventional PUCCH transmission. Therefore, in addition to applying the conventional intra-slot FH, it is also possible to apply inter-slot FH.
  • each FH has its advantages and disadvantages, and it is inconvenient that only one of them can be applied.
  • the present disclosure has been made in light of these circumstances, and aims to provide a terminal that can appropriately apply FH when repeatedly transmitting PUCCH for Msg4.
  • One aspect of the disclosure is a terminal that includes a transmission unit (radio signal transmission/reception unit 210) that applies frequency hopping to repeated transmission of a physical uplink control channel in response to a contention resolution message in a random access procedure, and a control unit (control unit 270) that determines the type of frequency hopping to be either intra-slot frequency hopping or inter-slot frequency hopping.
  • a transmission unit radio signal transmission/reception unit 210
  • control unit 270 that determines the type of frequency hopping to be either intra-slot frequency hopping or inter-slot frequency hopping.
  • FIG. 1 is a diagram showing the overall configuration of a wireless communication system.
  • FIG. 2 shows a diagram illustrating frequency ranges used in a wireless communication system.
  • FIG. 3 is a diagram showing an example of the configuration of a radio frame, a subframe, a slot, and a symbol used in a radio communication system.
  • FIG. 4 is a functional block diagram of the terminal.
  • FIG. 5 illustrates a random access procedure.
  • FIG. 6 is a functional block diagram of the base station.
  • FIG. 7 is a diagram showing transmission of related information for repeated transmission by a terminal.
  • FIG. 8 is a diagram showing frequency hopping (FH) setting/instruction by a base station.
  • FIG. 9 is a diagram showing FH setting/instruction by a terminal.
  • FIG. 1 is a diagram showing the overall configuration of a wireless communication system.
  • FIG. 2 shows a diagram illustrating frequency ranges used in a wireless communication system.
  • FIG. 3 is a diagram showing an example of the
  • FIG. 10 is a diagram showing a conventional PUCCH resource set.
  • FIG. 11 is a diagram illustrating multiple PUCCH resource sets.
  • FIG. 12 is a diagram illustrating an example of the configuration of a PUCCH resource set.
  • FIG. 13 is a diagram illustrating an example of the configuration of a PUCCH resource set.
  • FIG. 14 is a diagram illustrating an example of the configuration of a PUCCH resource set.
  • FIG. 15 is a diagram illustrating an example of a hardware configuration of a base station and a terminal.
  • FIG. 16 is a diagram illustrating an example of the configuration of a vehicle.
  • the wireless communication system 10 shown in Fig. 1 is a wireless communication system conforming to a method called 5G.
  • the wireless communication system 10 may be a wireless communication system conforming to a method called Beyond 5G, 5G Evolution, or 6G.
  • the wireless communication system 10 includes a Next Generation-Radio Access Network (NG-RAN) 20, a base station (next generation NodeB, gNB) 100 connected to the NG-RAN 20, and a terminal (User Equipment, UE) 200 that performs wireless communication with the gNB 100.
  • the NG-RAN 20 is connected to a core network (CN) not shown.
  • the NG-RAN 20 and the CN may be simply referred to as a "network.”
  • the gNB 100 may also be understood to be included in the network. Note that the specific configuration of the wireless communication system 10, for example the number of gNBs 100 and UEs 200, is not limited to the example shown in FIG. 1.
  • the wireless communication system 10 of the embodiment includes a relay station 150 that relays communication between the gNB 100 and the UE 200.
  • the relay station 150 is a satellite such as a GEO (Geostationary Earth Orbit) satellite, a MEO (Middle Earth Orbit) satellite, or a LEO (Low Earth Orbit) satellite.
  • the relay station 150 may also be a High Altitude Platform Station (HAPS) mounted on an airship, balloon, or the like, or a commercial aircraft (Air to Ground, ATG).
  • HAPS High Altitude Platform Station
  • the relay station 150 of the embodiment is assumed to be an airborne vehicle as described above, but is not limited to this.
  • the wireless communication system 10 may also support a plurality of frequency ranges (FRs). That is, as shown in FIG. 2, the wireless communication system 10 may support the following FRs: ⁇ FR1: 410MHz to 7.125GHz ⁇ FR2-1: 24.25GHz to 52.6GHz ⁇ FR2-2: Over 52.6GHz to 71GHz
  • a subcarrier spacing (SCS) of 15, 30 or 60 kHz and a bandwidth (BW) of 5 to 100 MHz may be used.
  • SCS subcarrier spacing
  • BW bandwidth
  • an SCS of 60 or 120 kHz (which may include 240 kHz) and a BW of 50 to 400 MHz may be used.
  • Cyclic Prefix-Orthogonal Frequency Division Multiplexing CP-OFDM
  • DFT-S-OFDM Discrete Fourier Transform-Spread-Orthogonal Frequency Division Multiplexing
  • one slot in the wireless communication system 10 is composed of 14 symbols. If this configuration is maintained, the larger (wider) the SCS is, the shorter the symbol period (and slot period) will be.
  • the SCS is not limited to the frequencies shown in FIG. 3, and may be, for example, frequencies such as 480 kHz and 960 kHz.
  • the number of symbols constituting one slot does not necessarily have to be 14 symbols, and may be, for example, 28 or 56 symbols.
  • the number of slots per subframe may differ depending on the SCS.
  • UE 200 includes a wireless 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 wireless signal transmitting/receiving unit 210 transmits and receives wireless signals to and from the gNB100.
  • the wireless signal transmitting/receiving unit 210 may be configured as a transmitting unit that transmits wireless signals to the gNB100, and a receiving unit that receives wireless signals from the gNB100.
  • the wireless signals include control signals and reference signals/data.
  • the wireless signal transceiver 210 executes a random access procedure with the gNB 100.
  • a random access procedure with the gNB 100.
  • UE200 transmits a physical random access channel (PRACH) in response to the SS/PBCH block (SSB) received from gNB100 (corresponding to Msg1 in the figure).
  • PRACH physical random access channel
  • UE200 receives a physical downlink shared channel (PDSCH) as a random access response (RAR) (corresponding to Msg2 in the figure).
  • PDSCH physical downlink shared channel
  • RAR random access response
  • UE200 transmits a PUSCH as an RRC connection request message (corresponding to Msg3 in the figure).
  • UE200 receives a PDSCH as a contention resolution message (corresponding to Msg4 in the figure).
  • UE200 transmits a PUCCH as a Hybrid Automatic Repeat Request (HARQ)-ACK in response to Msg4 (corresponding to HARQ ACK in the figure).
  • HARQ Hybrid Automatic Repeat Request
  • the radio signal transmission/reception unit 210 of the embodiment can execute repeated transmission of PUCCH for Msg4. Accordingly, the radio signal transmission/reception unit 210 may transmit information related to the repeated transmission of PUCCH for Msg4 (see FIG. 7). This related information is transmitted before scheduling the Msg4 PDSCH. The radio signal transmission/reception unit 210 may also transmit information on the type of FH to be applied to the repeated transmission of PUCCH for Msg4. In other words, the radio signal transmission/reception unit 210 may apply any type of FH described below to the repeated transmission of PUCCH for Msg4 (see FIG. 9). The radio signal transmission/reception unit 210 can also execute repeated transmission of PRACH and Msg3.
  • the PUCCH for Msg4 may be referred to as PUCCH for Msg4 HARQ-ACK.
  • the PUCCH for Msg4 may also be referred to as PUCCH when no dedicated PUCCH resource is configured (using common PUCCH resources) or as PUCCH using PUCCH resources indicated in DCI format 1_0 with a Cyclic Redundancy Check (CRC) scrambled on the Temporary Cell-Radio Network Temporary Identifier (TC-RATI).
  • CRC Cyclic Redundancy Check
  • TC-RATI Temporary Cell-Radio Network Temporary Identifier
  • PUCCH may mean PUCCH transmission, i.e. "PUCCH for Msg4" may mean PUCCH transmission for Msg4.
  • the amplifier section 220 is composed of a power amplifier (PA)/low noise amplifier (LNA) etc.
  • the amplifier section 220 amplifies the wireless signal output from the wireless signal transmitting/receiving section 210.
  • the amplifier section 220 also amplifies the wireless signal output from the modulation/demodulation section 230.
  • the modem unit 230 performs data modulation/demodulation, transmission power setting, resource block allocation, etc. for each predetermined communication destination (gNB100 or another gNB).
  • CP-OFDM/DFT-S-OFDM may be applied in the modem unit 230.
  • 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 control signals transmitted and received between the gNB 100, such as radio resource control (RRC) signaling.
  • RRC radio resource control
  • the control signal/reference signal processing unit 140 performs processing related to reference signals transmitted and received between the UE 200, such as Demodulation Reference Signal (DMRS), Phase Tracking Reference Signal (PTRS), Channel State Information-Reference Signal (CSI-RS), Sounding Reference Signal (SRS), and Positioning Reference Signal (PRS).
  • DMRS Demodulation Reference Signal
  • PTRS Phase Tracking Reference Signal
  • CSI-RS Channel State Information-Reference Signal
  • SRS Sounding Reference Signal
  • PRS Positioning Reference Signal
  • the channels include control channels and data channels.
  • the control channels include the physical uplink control channel (PUCCH), physical downlink control channel (PDCCH), physical random access channel (PRACH), physical broadcast channel (PBCH), etc.
  • the data channels include the physical uplink shared channel (PUSCH), physical downlink shared channel (PDSCH), etc.
  • the encoding/decoding unit 250 performs operations such as splitting/concatenating and coding/decoding the data contained in the wireless signal for each specified communication destination (gNB100 or another gNB).
  • the encoding/decoding unit 250 decodes the data output from the modem unit 230 and concatenates the decoded data.
  • the encoding/decoding unit 250 also divides the data output from the data transmission/reception unit 260 into data of a predetermined size and performs coding on the divided data.
  • the data transmission/reception unit 260 transmits and receives data to and from the gNB 100. Specifically, the data transmission/reception unit 260 performs assembly/disassembly of Protocol Data Units (PDUs)/Service Data Units (SDUs) between multiple layers.
  • the multiple layers include the Medium Access Control (MAC) layer, the Radio Link Control (RLC) layer, and the Packet Data Convergence Protocol (PDCP) layer.
  • the data transmission/reception unit 260 also performs data error correction and retransmission control based on Hybrid Automatic Repeat Request (HARQ).
  • HARQ Hybrid Automatic Repeat Request
  • the control unit 270 controls the UE 200.
  • the control unit 270 controls, for example, the transmission and reception of radio signals by the radio signal transmitting and receiving unit 210, the amplification by the amplifier unit 220, the data modulation/demodulation by the modem unit 230, the signal processing by the control signal and reference signal processing unit 240, the coding/decoding by the encoding/decoding unit 250, and the transmission and reception of data by the data transmitting and receiving unit 260.
  • the control unit 270 of the embodiment can select at least one of options 1 to 3, which will be described later, as the information related to the repeated transmission of PUCCH for Msg4.
  • the radio signal transceiver unit 210 transmits the information related to the repeated transmission of PUCCH for Msg4 selected by the control unit 270.
  • the control unit 270 may measure the reception quality of the cell when acquiring the information related to the repeated transmission of PUCCH for Msg4.
  • the control unit 270 of the embodiment can determine the type of FH to be applied to the repeated transmission of PUCCH for Msg4.
  • Applicable types of FH include, for example, intra-slot frequency hopping (intra-slot FH) and inter-slot frequency hopping (inter-slot FH).
  • intra-slot FH intra-slot frequency hopping
  • inter-slot FH inter-slot frequency hopping
  • FH is a spread spectrum technique that transmits and receives radio signals by switching the frequency at regular intervals.
  • FH includes intra-slot FH, which switches the frequency within a slot, and inter-slot FH, which switches the frequency between slots.
  • the control unit 270 of the embodiment can identify multiple pieces of setting information, not limited to one piece of setting information, as the resource setting information for performing repeated transmission of PUCCH for Msg4.
  • the control unit 270 can identify resources indicated or notified in one or more pieces of setting information transmitted from the gNB100, based on the resource setting information.
  • the number of resources indicated or notified in one piece of setting information is not limited to 16, and may exceed 16.
  • the wireless signal transmission/reception unit 210 performs repeated transmission of PUCCH for Msg4 using the resources identified by the control unit 270.
  • the gNB 100 includes a radio signal transceiver unit 110 and a control unit 120.
  • the wireless signal transmitting/receiving unit 110 transmits and receives wireless signals to and from the UE 200.
  • the wireless signal transmitting/receiving unit 110 may be configured as a transmitting unit that transmits wireless signals to the UE 200, and a receiving unit that receives wireless signals from the UE 200.
  • the wireless signal transceiver 110 of the embodiment can transmit parameters for setting/instructing the above-mentioned related information to the UE 200.
  • the related information selected and reported by the UE 200 may be considered to be set by the gNB 100.
  • the wireless signal transceiver 110 of the embodiment can transmit parameters to the UE 200 that set/indicate the type of FH described above (see FIG. 8).
  • the radio signal transceiver 110 of the embodiment can transmit, to the UE 200, resource setting information for performing repeated transmission of PUCCH for Msg4.
  • This setting information may be one or multiple.
  • the gNB 100 may set/instruct the UE 200 to set/instruct one resource set or multiple resource sets as a resource set for repeated transmission of PUCCH for Msg4.
  • the number of resources included in one resource set is not limited to 16 and may exceed 16.
  • the control unit 120 controls the gNB 100.
  • the control unit 120 controls, for example, the transmission and reception of wireless signals by the wireless signal transmission and reception unit 210.
  • Option 1 Request information for repeated transmission based on measurement of reception quality (e.g., Reference Signal Received Power (RSRP))
  • RSRP Reference Signal Received Power
  • Example 1 Notify that the measurement value of reception quality is below a threshold value set for the measurement value, i.e., that repeated transmission is necessary.
  • Example 2 Tell what repetition factor is needed, i.e. how many transmissions need to be made. Effect of Option 1: This is effective when the reliability of gNB measurement based on reception of Msg3 is low.
  • Option 2 Capability information related to repetitive transmission
  • the repetition factor is determined by the gNB100 without UE measurement notification.
  • Effect of Option 2 This is effective when the reliability of gNB measurement based on reception of Msg3 is high.
  • Option 3 Information related to measurement of reception quality (e.g., Reference Signal Received Power (RSRP))
  • RSRP Reference Signal Received Power
  • Example 1 Notify the measurement value of reception quality.
  • Example 2 The difference between the measured value of reception quality and a threshold value set for the measured value is notified. Effect of Option 3: This is effective when the reliability of gNB measurement based on reception of Msg3 is low.
  • RSRP Reference Signal Received Power
  • the reception quality measurement is performed based on the SSB transmitted from the gNB100, the DMRS of the Msg2 PDCCH/PDSCH, the CSI-RS of the Msg2 PDSCH, or the radio signal configured for measurement.
  • Condition 1 Setting/instruction parameters sent from the network (gNB100)
  • Example 1 Configured by a cell-specific method (e.g., System Information Block (SIB)).
  • SIB System Information Block
  • Example 2 Set/indicated by a UE specific method (e.g., Msg2(RAR)).
  • Example 1 The type of associated information to be reported is set/indicated.
  • Example 2 The type of relevant information reported is determined according to a number of configuration/indication parameters.
  • Example 2-1 When one repetition factor is set, option 2 above
  • Example 2-2 When multiple repetition factors are set, option 1 above is used. Note that a repetition factor of 1, i.e., a repetition factor indicating that the number of repetitions is 1, does not need to be counted in the number of setting/instruction parameters.
  • Example 3 The type of related information reported is determined according to whether repeated transmission of Msg3 is configured/indicated or not.
  • Example 4 The type of relevant information reported is determined according to whether repeated transmission of Msg1 (PRACH) is configured/indicated or not.
  • Effect of Condition 1 Based on the network (gNB100) implementation (e.g., high or low reliability of gNB measurements), the network (gNB100) can decide which option to use.
  • Condition 2 Terminal capability information (implementation of UE 200)
  • Example 1 If UE 200 supports option 1 but does not support option 2, option 1 is applied.
  • Example 2 If UE 200 supports option 2 but does not support option 1, option 2 is applied.
  • Example 3 When UE200 supports both option 1 and option 2, the option to be applied is determined by gNB100 configuration/instruction or UE200 implementation.
  • Example 4 UE 200 reports the applicable options as UCI or MAC layer information (e.g., MAC sub-header, MAC Control Element (CE)). Effect of condition 2: It is possible to avoid complicating the implementation of UE 200.
  • MAC layer information e.g., MAC sub-header, MAC Control Element (CE)
  • Condition 3 UE behavior before scheduling Msg4 PDSCH
  • Example 1 The type of related information reported is determined according to whether repeated transmission of Msg3 is applied or not.
  • Example 2 The type of related information reported is determined according to whether repeated transmission of Msg1 (PRACH) is applied or not. Effect of condition 3: The behavior of UE 200 can be made the same/similar with respect to measurements/reports related to these repeated transmissions.
  • Example 1 Each piece of relevant information includes the phrase "incapable of reporting the information.”
  • Example 1-2 When repetition factors 1, 2, and 4 are set, 2 bits are used to indicate whether a repetition factor is required. In this case, 00 indicates incapable, 01 indicates repetition factor 1, 10 indicates repetition factor 2, and 11 indicates repetition factor 4.
  • Example 2 For related information, for example, as a reporting format for related information regarding repeated transmission of PUCCH for Msg4, the same format is applied whether one repetition factor is set or multiple repetition factors are set. Note that this content applies to each (all) type of related information.
  • the related information is reported by Msg3. Specifically, it is reported by the LCID (Logical Channel Identifier) code point of Msg3 PUSCH.
  • LCID code points for example, 37-43, 47, which are reserved, can be used.
  • the method of reporting the related information is not limited to the LCID code point of Msg3 PUSCH, but may be PRACH preamble/occasion, scrambling sequence, DMRS port, different CS for DMRS, CCCH (for example, 1 bit included in RRCSetupRequest, or a bit defined as 'spare' in existing specifications), MAC subheader (for example, 1 or 2 bits defined as 'R' in existing specifications), etc.
  • the following will exemplify how to use the LCID code point of Msg3 PUSCH.
  • Example 1 Use a different code point for each of options 1 to 3 above. For example, use 37 for option 1, 38 for option 2, and 39 for option 3.
  • Advantage of Example 1 Options 1 to 3 can be easily distinguished.
  • Example 2 Use the same code point (e.g., 37) for option 1 and option 2. In this case, options 1 to 3 can be distinguished based on how the repetition factor is set. - If one repetition factor is set, capability information related to repeated transmission is reported (option 2). - If multiple repetition factors are set, report the request information for repeated transmission (option 1). Advantage of Example 2: It is possible to reduce consumption of code points (or resources in other signal domains).
  • a RedCap (Reduced Capability) UE i.e., an IoT terminal that is simplified more than a terminal such as a smartphone (e.g., a terminal that supports a limited bandwidth, number of MIMO layers, and modulation multi-levels, and supports only half-duplex transmission or frequency-division duplex transmission)
  • a different LCID code point may be used to report related information.
  • the gNB100 or UE200 can support both intra-slot FH and inter-slot FH as FH to be applied to repeated transmission of PUCCH for Msg4. That is, both intra-slot FH and inter-slot FH may be defined as FH to be applied to repeated transmission of PUCCH for Msg4, and it may be determined which one to use. In this case, it is possible to determine the FH to be applied depending on the desired advantage.
  • Intra-slot FH and inter-slot FH each have the advantages as shown below. Intra-slot FH: Excellent user-multiplexing performance in a cell that includes a mixture of UEs that perform PUCCH repetitive transmission and UEs that do not perform PUCCH repetitive transmission. Inter-slot FH: Excellent direction performance when channel estimation performance is good.
  • gNB100 can determine the type of FH to be applied to repeated transmission of PUCCH for Msg4 to UE200 and transmit (report) the determined type of FH. Also, as shown in FIG. 9, UE200 can determine the type of FH to be applied to repeated transmission of PUCCH for Msg4 to gNB100 and transmit (report) the determined type of FH. Furthermore, although not shown, gNB100 and UE200 can cooperate to determine the type of FH to be applied to repeated transmission of PUCCH for Msg4.
  • Condition 1 Configuration/instruction parameters transmitted from the network (gNB100)
  • Example 1 Configured by a cell-specific method (e.g., System Information Block (SIB)).
  • SIB System Information Block
  • Example 2 Set/indicated by a UE-specific method (e.g., Msg2 (RAR), Msg4-scheduling DCI).
  • the setting/instruction may be performed for each repetition factor.
  • the absence of a setting/instruction may mean the application of intra-slot FH or the application of inter-slot FH.
  • Effect of Condition 1 The network (gNB100) can determine the type of FH to apply depending on the network (gNB100) preferences.
  • Condition 2 Terminal capability information (implementation of UE 200)
  • the UE 200 may report the type of FH to be applied to the network (gNB 100) via PRACH or Msg3 as follows. -Which to apply, intra-slot FH or inter-slot FH? -Whether intra-slot FH is supported? -Whether inter-slot FH is supported? If repeated transmission of PUCCH for Msg4 is supported, it may be assumed that support for intra-slot FH is mandatory, or that support for inter-slot FH is mandatory. Effect of condition 2: UE 200 does not need to support both types of FH.
  • Condition 3 Combination of Condition 1 and Condition 2 For example, if the network (gNB100) sets inter-slot FH as the type of FH to be applied, but UE200 does not support inter-slot FH, UE200 reports incapable for repeated transmission of PUCCH or reports that repeated transmission of PUCCH is not recommended.
  • Condition 4 UE behavior before scheduling Msg4 PDSCH
  • Example 1 The type of FH applied is determined according to whether or not repeated transmission of Msg3 is applied.
  • Example 2 The type of FH applied is set to the same as the type of FH applied to the repeated transmission of Msg3.
  • the type of FH to be applied may be determined based on whether or not repeated transmission of Msg1 (PRACH) is applicable instead of Msg3.
  • Advantage of condition 4 The same mechanism as for the repeated transmission of Msg3 can be applied, making implementation easy.
  • Condition 5 repetition factor When the number of slots for repeat transmission is 1 (no repeat transmission), intra-slot FH is applied. When there are multiple slots for repeated transmission (repeated transmission), inter-slot FH is applied.
  • Condition 7 Number of PUCCH symbols per slot If 14 symbols, intra-slot FH is applied. In the case of 2/4/10 symbols, inter-slot FH is applied.
  • one resource set includes 16 resources. That is, one resource set or 16 resources for repeated transmission of PUCCH is configured by one piece of configuration information shown in the left diagram of FIG. 10.
  • the right diagram of FIG. 10 shows one resource set or 16 resources for repeated transmission of PUCCH recognized by UE 200.
  • the resource set (resource) referred to here is not limited to a resource set (resource) in the frequency direction, but may also be interpreted as a resource set (resource) in the time direction or a resource set (resource) in the cyclic shift (CS) direction.
  • the following information is set by 4 bits included in the SIB transmitted from gNB100.
  • PUCCH format First symbol index of PUCCH transmission in each slot; Number of PUCCH symbols per slot; Common Physical Resource Block (PRB) offset; Set of initial CS indexes.
  • PRB Physical Resource Block
  • the following information is notified by 3 bits included in the DCI received by UE 200 and 1 bit determined from a Control Channel Element (CCE) index.
  • CCE Control Channel Element
  • FIG. 11 two pieces of configuration information enclosed in thick lines (pucch-ResourceCommon and pucch-ResourceCommon2 in the figure) are sent to set/indicate a resource set for repeated PUCCH transmission for Msg4, but this is not limited thereto, and three or more pieces of configuration information may be sent. As shown in FIG. 11, each of the multiple pieces of configuration information indicates or notifies a different resource set.
  • Example 1 PUCCH-ConfigCommon (eg, pucch-ResourceCommon and pucch-ResourceCommon2) including two or more resource sets for repeated transmission of PUCCH for Msg4 is transmitted via SIB1.
  • Example 2 The first configuration information (PUCCH-ConfigCommon/pucch-ResourceCommon) is sent via SIB1, and the second (and subsequent) configuration information (PUCCH-ConfigCommon/pucch-ResourceCommon2) is sent via an NTN-specific SIB (SIB19).
  • the offset-related information is, for example, resource position information in the frequency direction.
  • Figure 12 shows an example in which an adjacent PRB offset can be used in addition to the PRB offset used in a conventional resource set. For example, if the common PRB offset is 2, 2 and 3 may be notified as UE-specific PRB offsets in addition to the conventional 0 and 1 (see UE specific PRB offset in Figure 10).
  • FIG. 13 shows an example in which non-adjacent PRB offsets can be used in addition to the PRB offsets used in a conventional resource set.
  • Example 1 Multiple offset values (PRB offset and PRB offset2 in the figure) may be configured as a common PRB offset, and which one to apply may be notified to each UE. Multiple offset values are defined as specific values based on the edge of the first active UL BWP. Note that the offset may be configured via a SIB (SIB1 or SIB19) or may be indicated via a Msg4-scheduling DCI.
  • SIB SIB1 or SIB19
  • Example 2 An additional PRB offset value (PRB offset3 in the figure) is set based on a common PRB offset (PRB offset in the figure), and the additional PRB offset value may be notified for each UE, and whether or not to apply the additional PRB offset value may be notified for each UE.
  • the additional PRB offset value is defined as a specific value based on the location information of a conventional resource set (PRB offset in the figure).
  • the offset may be set via a SIB (SIB1 or SIB19) or may be indicated via Msg4-scheduling DCI.
  • the initial CS index candidates included in one resource set include more values than those in the existing specifications. That is, the initial CS index not included in the conventional resource set is available.
  • a specific value/offset may be defined, may be configured via a SIB (SIB1 or SIB19), or may be indicated via Msg4-scheduling DCI.
  • the offset may be an offset value from the initial CS index included in the conventional resource set, the offset value may be notified for each UE, and whether or not to apply the offset value may be notified for each UE.
  • Example 1 Msg4-scheduling DCI one or more bits in the MCS field one or more bits in the HPN field one or more bits in the RV field one or more bits in the DAI field one or more bits in the TPC command field
  • Example 3 CCE index More than 1 bit derived from the CCE index (e.g. it could be 2 bits)
  • Example 4 Dynamic notification of repetition factor Which resource set to use or whether to use resources additionally defined in the resource set may be associated with dynamic notification of the repetition factor. For example, if the repetition factor is 1, conventional resources included in the conventional resource set may be notified, and if the repetition factor is greater than 1, the additionally defined resource set or resources may be notified. Note that the dynamic notification may be performed in DCI that schedules Msg4 PDSCH.
  • Dynamic scheduling can be applied to resource sets containing more than 16 resources.
  • the PUCCH resource newly defined using the above method may be assigned an index of 16 or more, and r_PUCCH in the specification (TS38.213) may be a value of 16 or more.
  • resource set to use or whether to use a resource additionally defined in the resource set, may be notified in any of the above examples 1, 2, 3, or 4, and one of 16 combinations may be notified by the DCI and CCE index.
  • resource out of 32 combinations to use may be notified by any of the above examples 1, 2, 3, or 4, and a combination of the DCI and CCE index.
  • Example 1 Reported in Msg1 (PRACH) ⁇ Preamble and/or occasion
  • Example 2 Reported by Msg3 PUSCH - scrambling sequence, DMRS port, different CS for DMRS, LCID code point Effect:
  • the network gNB100 can instruct a UE200 that does not support repeated transmission to use one resource from a conventional resource set.
  • UE200 selects and reports any one of the above-mentioned options 1 to 3 as related information for repeated PUCCH transmission for Msg4, but this is not limited to this.
  • UE200 may select and report two or more of the above-mentioned options 1 to 3.
  • resource set may be read as resource, and resource may be read as resource set.
  • the UE200 of the embodiment is applied to an NTN, but this is not limited to this. It may also be applied to a TN (Terrestrial Network) without being limited to an NTN.
  • NTN Transmission Control Protocol
  • 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. 15 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 ( Figures 4 and 6) 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, for example, at least one of 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 can 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 outputs to the outside. Note that the input device 1005 and the output device 1006 may be integrated into one device (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
  • SUPER 3G IMT-Advanced
  • 4G 5th generation mobile communication system
  • 5G Future Radio Access
  • FAA New Radio
  • NR New Radio
  • W-CDMA registered trademark
  • GSM registered trademark
  • UMB Ultra Mobile Broadband
  • IEEE 802.11 Wi-Fi (registered trademark)
  • IEEE 802.16 WiMAX (registered trademark)
  • IEEE 802.20 Ultra-WideBand (UWB), Bluetooth (registered trademark), or other suitable systems and next generation systems enhanced therefrom.
  • Multiple systems may also be applied in combination (e.g., a combination of at least one of LTE and LTE-A with 5G).
  • 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 at least one of the base station and other network nodes 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.
  • the channel and the symbol may be a signal (signaling).
  • the signal may be a message.
  • the 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 all of the coverage area of a base station and/or a base station subsystem that provides communication services within that coverage.
  • 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, etc.
  • 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 (e.g., Orthogonal Frequency Division Multiplexing (OFDM) symbols, Single Carrier Frequency Division Multiple Access (SC-FDMA) symbols, etc.).
  • OFDM Orthogonal Frequency Division Multiplexing
  • SC-FDMA Single Carrier Frequency Division Multiple Access
  • 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 an index of the RB relative to a common reference point of the carrier.
  • PRBs may be defined in a BWP and numbered within that BWP.
  • the BWP may include a BWP for UL (UL BWP) and a BWP for DL (DL BWP).
  • UL BWP UL BWP
  • DL BWP DL BWP
  • One or more BWPs may be configured 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), ascertaining something that is deemed to be a “judging” or “determining,” and the like.
  • Determining and “determining” may also include receiving (e.g., receiving information), transmitting (e.g., sending information), input, output, accessing (e.g., accessing data in memory), and the like.
  • 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” can be interpreted as “assuming,” “expecting,” “considering,” etc.
  • 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. 16 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 transmits and receives data via the communication port 2033 between 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, axle 2009, microprocessor 2031 and memory (ROM, RAM) 2032 in electronic control unit 2010, and sensors 2021 to 2028, which are provided on the vehicle 2001.
  • 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 an 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.
  • 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 transmission unit that applies frequency hopping to repeated transmissions of a physical uplink control channel in response to a contention resolution message in a random access procedure, and a control unit that determines the type of frequency hopping to be either intra-slot frequency hopping or inter-slot frequency hopping.
  • the second feature is that in the first feature, the control unit determines the type of the terminal based on parameters transmitted from a base station.
  • the third feature is that in the first feature, the control unit is a terminal that determines the type based on capability information of the terminal.
  • the fourth feature is that in the first feature, the control unit determines the type of the terminal based on a connection request message of a radio resource layer.
  • the fifth feature is the terminal according to the first feature, in which the control unit determines the type based on the number of slots in which the repeated transmission is performed.
  • the sixth feature is that in the first feature, the control unit determines the type of the terminal based on the format of the physical uplink control channel.
  • Wireless Communication Systems 20 NG-RAN 100 gNB 110 Radio signal transmitting/receiving unit 120 Control unit 150 Relay station 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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Abstract

Ce terminal comprend : une unité de transmission qui, dans une procédure d'accès aléatoire, adopte un saut de fréquence pour une transmission de répétition d'un canal de commande de liaison montante physique en réponse à un message de résolution de contention; et une unité de commande qui détermine le type du saut de fréquence comme étant soit un saut de fréquence en créneau soit un saut de fréquence inter-créneaux.
PCT/JP2023/003673 2023-02-03 2023-02-03 Terminal WO2024161661A1 (fr)

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Citations (2)

* Cited by examiner, † Cited by third party
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WO2016153025A1 (fr) * 2015-03-25 2016-09-29 シャープ株式会社 Dispositif de terminal, dispositif de station de base, procédé de communication et circuit intégré
WO2021066133A1 (fr) * 2019-10-03 2021-04-08 シャープ株式会社 Dispositif terminal, dispositif de station de base, et procédé de communication

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016153025A1 (fr) * 2015-03-25 2016-09-29 シャープ株式会社 Dispositif de terminal, dispositif de station de base, procédé de communication et circuit intégré
WO2021066133A1 (fr) * 2019-10-03 2021-04-08 シャープ株式会社 Dispositif terminal, dispositif de station de base, et procédé de communication

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