WO2022153506A1 - 無線基地局及び端末 - Google Patents

無線基地局及び端末 Download PDF

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Publication number
WO2022153506A1
WO2022153506A1 PCT/JP2021/001359 JP2021001359W WO2022153506A1 WO 2022153506 A1 WO2022153506 A1 WO 2022153506A1 JP 2021001359 W JP2021001359 W JP 2021001359W WO 2022153506 A1 WO2022153506 A1 WO 2022153506A1
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WIPO (PCT)
Prior art keywords
slot
transmission
frequency hopping
msg3
message
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
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PCT/JP2021/001359
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English (en)
French (fr)
Japanese (ja)
Inventor
春陽 越後
大輔 栗田
浩樹 原田
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NTT Docomo Inc
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NTT Docomo Inc
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Application filed by NTT Docomo Inc filed Critical NTT Docomo Inc
Priority to JP2022575010A priority Critical patent/JP7701384B2/ja
Priority to EP21919399.2A priority patent/EP4280788A4/en
Priority to PCT/JP2021/001359 priority patent/WO2022153506A1/ja
Priority to CN202180090363.7A priority patent/CN116803195A/zh
Publication of WO2022153506A1 publication Critical patent/WO2022153506A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0866—Non-scheduled access, e.g. ALOHA using a dedicated channel for access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system

Definitions

  • the present disclosure relates to radio base stations and terminals that support repeated messages in a random access channel procedure.
  • the 3rd Generation Partnership Project (3GPP) specifies the 5th generation mobile communication system (also called 5G, New Radio (NR) or Next Generation (NG)), and next-generation specifications called Beyond 5G, 5G Evolution or 6G. We are also proceeding with the conversion.
  • 5G New Radio
  • NG Next Generation
  • Non-Patent Document 1 a Work Item related to coverage enhancement (CE: Coverage Enhancement) in NR has been agreed.
  • PUSCH Physical Uplink Shared Channel
  • Msg3 the random access channel
  • RACH Random Access Channel
  • the specification is for retransmission (re-transmission), but it is considered that there is room for improvement in the method of determining the repetition and terminal (User Equipment, UE) in the retransmission.
  • UE User Equipment
  • the following disclosure was made in view of such a situation, and aims to provide a radio base station and a terminal that can further improve the performance related to Repetition of the message (Msg3) of the RACH procedure.
  • One aspect of the present disclosure is a receiving unit (wireless signal transmitting / receiving unit 210) that receives a message in a random access channel procedure from a type 1 terminal and a type 2 terminal, and the type 1 terminal or the above based on the message. It is a radio base station (gNB100) including a control unit (control unit 270) for discriminating a type 2 terminal.
  • gNB100 radio base station
  • control unit 270 control unit for discriminating a type 2 terminal.
  • control unit 270 that simultaneously applies inter-slot frequency hopping and intra-slot frequency hopping to transmission of a message in a random access channel procedure, and a transmission unit (control unit 270) that repeatedly transmits the message. It is a terminal (UE200) including a wireless signal transmitter / receiver 210).
  • FIG. 1 is an overall schematic configuration diagram of the wireless communication system 10.
  • FIG. 2 is a diagram showing a configuration example of a wireless frame, a subframe, and a slot used in the wireless communication system 10.
  • FIG. 3 is a functional block configuration diagram of gNB100 and UE200.
  • FIG. 4 is a diagram showing an example of a random access sequence including Repetition of Msg3.
  • FIG. 5 is a diagram showing an example of a random access sequence including initial transmission and re-transmission of Msg3.
  • FIG. 6 is a diagram showing an example of a random access sequence according to operation example 1.
  • FIG. 7 is a diagram showing an example of the Msg3 transmission operation flow according to the operation example 1 (Alt2-Opt2).
  • FIG. 1 is an overall schematic configuration diagram of the wireless communication system 10.
  • FIG. 2 is a diagram showing a configuration example of a wireless frame, a subframe, and a slot used in the wireless communication system 10.
  • FIG. 3 is a functional block
  • FIG. 8 is a diagram showing an example of allocation of RACH occupation according to operation example 1 (Alt3-Opt2, 3).
  • FIG. 9 is a diagram showing an example of simultaneous application of inter-slot frequency hopping and intra-slot frequency hopping of Msg3 according to operation example 2.
  • FIG. 10 is a diagram showing an application example of the frequency offset according to the operation example 2 (Case 1).
  • FIG. 11 is a diagram showing an example of slot arrangement of Msg3 according to the operation example 3.
  • FIG. 12 is a diagram showing a configuration example of MAC RAR according to operation example 3.
  • FIG. 13 is a diagram showing an example of the hardware configuration of gNB100 and UE200.
  • FIG. 1 is an overall schematic configuration diagram of the wireless communication system 10 according to the present embodiment.
  • the wireless communication system 10 is a wireless communication system according to 5G New Radio (NR), and includes a Next Generation-Radio Access Network 20 (hereinafter, NG-RAN20, and a terminal 200 (hereinafter, UE200)).
  • NR 5G New Radio
  • NG-RAN20 Next Generation-Radio Access Network
  • UE200 terminal 200
  • the wireless communication system 10 may be a wireless communication system that follows a method called Beyond 5G, 5G Evolution, or 6G.
  • NG-RAN20 includes a radio base station 100 (hereinafter, gNB100).
  • gNB100 radio base station 100
  • the specific configuration of the wireless communication system 10 including the number of gNBs and UEs is not limited to the example shown in FIG.
  • NG-RAN20 actually includes multiple NG-RAN Nodes, specifically gNB (or ng-eNB), and is connected to a core network (5GC, not shown) according to 5G.
  • NG-RAN20 and 5GC may be simply expressed as "network”.
  • the gNB100 is a wireless base station that complies with NR, and executes wireless communication according to UE200 and NR.
  • the gNB100 and UE200 are Massive MIMO that generates a beam BM with higher directivity by controlling radio signals transmitted from multiple antenna elements, and carrier aggregation (CA) that uses multiple component carriers (CC) in a bundle.
  • CA carrier aggregation
  • DC dual connectivity
  • 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 has a higher frequency than FR1, and SCS of 60 or 120kHz (240kHz may be included) is used, and a bandwidth (BW) of 50 to 400MHz may be used.
  • the wireless communication system 10 may support a higher frequency band than the FR2 frequency band. Specifically, the wireless communication system 10 can support a frequency band exceeding 52.6 GHz and up to 114.25 GHz.
  • Cyclic Prefix-Orthogonal Frequency Division Multiplexing CP-OFDM
  • DFT-S-OFDM Discrete Fourier Transform-Spread
  • SCS Sub-Carrier Spacing
  • DFT-S-OFDM may be applied not only to uplink (UL) but also to downlink (DL).
  • FIG. 2 shows a configuration example of a wireless frame, a subframe, and a slot used in the wireless communication system 10.
  • one slot is composed of 14 symbols, and the larger (wider) the SCS, the shorter the symbol period (and slot period).
  • the number of symbols constituting one slot does not necessarily have to be 14 symbols (for example, 28, 56 symbols).
  • the number of slots per subframe may differ depending on the SCS.
  • the SCS may be wider than 240 kHz (for example, 480 kHz, 960 kHz as shown in FIG. 2).
  • the time direction (t) shown in FIG. 2 may be referred to as a time domain, a symbol period, a symbol time, or the like.
  • the frequency direction may be referred to as a frequency domain, a resource block, a subcarrier, a BWP (Bandwidth part), or the like.
  • the wireless communication system 10 can support coverage enhancement (CE: Coverage Enhancement) that expands the coverage of cells (or physical channels) formed by gNB100.
  • CE Coverage Enhancement
  • Coverage extension may provide a mechanism for increasing the reception success rate of various physical channels.
  • gNB100 can support repeated transmission of PDSCH (Physical Downlink Shared Channel), and UE200 can support repeated transmission of PUSCH (Physical Uplink Shared Channel).
  • PDSCH Physical Downlink Shared Channel
  • PUSCH Physical Uplink Shared Channel
  • a plurality of types of UE200 may be used.
  • the UE200 there may be a plurality of types of terminals having different functions or performances, or supporting 3GPP Releases.
  • the terminal (UE) may be referred to as a type 1 terminal and a type 2 terminal.
  • the type may be replaced with other terms such as generation and release.
  • the first-class terminal and the second-class terminal may be referred to as enhanced UE and legacy UE, respectively.
  • Enhanced UE supports the latest release of 3GPP
  • legacy UE may be interpreted as a UE that does not support the latest release.
  • a slot setting pattern (Slot Configuration pattern) of time division duplex (TDD) may be set.
  • DDDSU downlink (DL symbol, S: DL / uplink (UL) or guard symbol, U: UL symbol
  • DDDSU downlink (DL symbol, S: DL / uplink (UL) or guard symbol, U: UL symbol)
  • DL symbol downlink
  • S DL / uplink
  • U UL symbol
  • 3GPP TS38.101-4 3GPP TS38.101-4.
  • D indicates a slot containing all DL symbols
  • S indicates a slot in which DL, UL, and a guard symbol (G) are mixed.
  • U indicates a slot that contains all UL symbols.
  • FIG. 3 is a functional block configuration diagram of gNB100 and UE200.
  • the UE 200 includes a radio signal transmission / reception 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 transmission / reception unit 260, and a control unit 270. ..
  • FIG. 3 shows only the main functional blocks related to the description of the embodiment, and that the UE200 (gNB100) has other functional blocks (for example, a power supply unit). Further, FIG. 3 shows a functional block configuration of the UE 200, and refer to FIG. 13 for the hardware configuration.
  • the wireless signal transmitter / receiver 210 transmits / receives a wireless signal according to NR.
  • the radio signal transmission / reception unit 210 uses Massive MIMO that generates a beam with higher directivity by controlling radio frequency (RF) signals transmitted from a plurality of antenna elements, and a carrier that bundles and uses a plurality of component carriers (CC). It can support aggregation (CA) and dual connectivity (DC) that communicates simultaneously between the UE and each of the two NG-RAN Nodes.
  • Massive MIMO that generates a beam with higher directivity by controlling radio frequency (RF) signals transmitted from a plurality of antenna elements, and a carrier that bundles and uses a plurality of component carriers (CC). It can support aggregation (CA) and dual connectivity (DC) that communicates simultaneously between the UE and each of the two NG-RAN Nodes.
  • CA aggregation
  • DC dual connectivity
  • the wireless signal transmission / reception unit 210 may transmit a physical uplink shared channel. Specifically, the radio signal transmitter / receiver 210 may transmit the PUSCH toward the network (gNB100). The radio signal transmitter / receiver 210 may support PUSCH repetition.
  • Repetition type A may be interpreted as a form in which the PUSCH assigned in the slot is repeatedly transmitted. That is, PUSCH is 14 symbols or less, and there is no possibility that it is assigned across a plurality of slots (adjacent slots).
  • Repetition type B may be interpreted as repeated transmission of PUSCH in which PUSCH of 15 symbols or more may be assigned. In this embodiment, it may be allowed to allocate such PUSCHs across a plurality of slots.
  • the radio signal transmission / reception unit 210 may transmit the random access preamble as the first message (hereinafter, Msg1) in the random access channel procedure (hereinafter, RACH (Random Access Channel) procedure).
  • Msg1 the random access channel procedure
  • RACH Random Access Channel
  • the radio signal transmission / reception unit 210 may receive a second message (hereinafter, Msg2) as a response message (random access response (RAR)) to Msg1 in the RACH procedure.
  • Msg2 a second message
  • RAR random access response
  • the wireless signal transmitter / receiver 210 may transmit a third message (hereinafter, Msg3) via PUSCH in the RACH procedure.
  • Msg3 a third message
  • the radio signal transmitter / receiver 210 may receive the fourth message (hereinafter, Msg4) as a response message to Msg3 in the RACH procedure (3GPP TS38.321 V16.2.1 ⁇ 5.1 "Random Access procedure").
  • Msg1 may be transmitted via PRACH (Physical Random Access Channel).
  • Msg1 may be referred to as PRACH Preamble.
  • Msg2 may be transmitted via PDSCH.
  • Msg2 may be referred to as RAR (RandomAccessResponse).
  • Msg3 may be referred to as RRCConnectionRequest.
  • Msg4 may be referred to as RRC Connection Setup.
  • the wireless signal transmitter / receiver 210 repeatedly transmits Msg3.
  • the wireless signal transmission / reception unit 210 may constitute a transmission unit that repeatedly transmits a message. Details of repeated transmission of Msg3 will be described later.
  • the amplifier unit 220 is composed of PA (Power Amplifier) / LNA (Low Noise Amplifier) and the like.
  • the amplifier unit 220 amplifies the signal output from the modulation / demodulation unit 230 to a predetermined power level. Further, the amplifier unit 220 amplifies the RF signal output from the radio signal transmission / reception unit 210.
  • the modulation / demodulation unit 230 executes data modulation / demodulation, transmission power setting, resource block allocation, etc. for each predetermined communication destination (gNB100, etc.).
  • Cyclic Prefix-Orthogonal Frequency Division Multiplexing (CP-OFDM) / Discrete Fourier Transform-Spread (DFT-S-OFDM) may be applied to the modulation / demodulation unit 230. 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 / received by the UE 200 and processing related to various reference signals transmitted / 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, control signals of the radio resource control layer (RRC). Further, 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, control signals of the radio resource control layer (RRC).
  • RRC radio resource control layer
  • the control signal / reference signal processing unit 240 executes processing using a reference signal (RS) such as Demodulation Reference Signal (DMRS) and Phase Tracking Reference Signal (PTRS).
  • RS reference signal
  • DMRS Demodulation Reference Signal
  • PTRS Phase Tracking Reference Signal
  • DMRS is a known reference signal (pilot signal) between the base station and the terminal of each terminal for estimating the 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.
  • the reference signal may include ChannelStateInformation-ReferenceSignal (CSI-RS), SoundingReferenceSignal (SRS), and PositioningReferenceSignal (PRS) for position information.
  • CSI-RS ChannelStateInformation-ReferenceSignal
  • SRS SoundingReferenceSignal
  • PRS PositioningReferenceSignal
  • control channels include PDCCH (Physical Downlink Control Channel), PUCCH (Physical Uplink Control Channel), RACH (Random Access Channel, Random Access Radio Network Temporary Identifier (RA-RNTI), Downlink Control Information (DCI)), and Physical. Broadcast Channel (PBCH) etc. may be included.
  • PDCCH Physical Downlink Control Channel
  • PUCCH Physical Uplink Control Channel
  • RACH Random Access Channel, Random Access Radio Network Temporary Identifier (RA-RNTI), Downlink Control Information (DCI)
  • PBCH Broadcast Channel
  • the data channels include PDSCH (Physical Downlink Shared Channel) and PUSCH (Physical Uplink Shared Channel). Data may mean data transmitted over a data channel.
  • PDSCH Physical Downlink Shared Channel
  • PUSCH Physical Uplink Shared Channel
  • control signal / reference signal processing unit 240 may transmit the capability information of the UE 200 regarding the allocation of the physical uplink shared channel (PUSCH) to the network.
  • PUSCH physical uplink shared channel
  • control signal / reference signal processing unit 240 can transmit UE Capability Information regarding PUSCH allocation (which may include repetition) to gNB100.
  • UE Capability Information regarding PUSCH allocation (which may include repetition)
  • the encoding / decoding unit 250 executes data division / concatenation and channel coding / decoding for each predetermined communication destination (gNB100 or other gNB).
  • the encoding / decoding unit 250 divides the data output from the data transmitting / receiving unit 260 into a predetermined size, and executes channel coding for the divided data. Further, the encoding / decoding unit 250 decodes the data output from the modulation / demodulation unit 230 and concatenates the decoded data.
  • the data transmission / reception unit 260 executes transmission / reception of Protocol Data Unit (PDU) and Service Data Unit (SDU).
  • the data transmitter / receiver 260 is a PDU / SDU in a plurality of layers (such as a medium access control layer (MAC), a wireless link control layer (RLC), and a packet data convergence protocol layer (PDCP)). Assemble / disassemble.
  • the data transmission / reception unit 260 executes data error correction and retransmission control based on the hybrid ARQ (Hybrid automatic repeat request).
  • the control unit 270 controls each functional block constituting the UE 200.
  • the control unit 270 executes control related to PUSCH Repetition for Msg3.
  • control unit 270 simultaneously performs inter-slot frequency hopping and intra-slot frequency hopping for transmission of a message (for example, Msg3) in the RACH procedure. May be applied.
  • a message for example, Msg3
  • simultaneous application means that both hoppings are applied within a predetermined period in the time direction, and the predetermined time may be a plurality of slots or subframe units.
  • Inter-slot frequency hopping means that the message (may be a channel) is transmitted between a plurality of slots (see FIG. 2) using (or hopping to) a plurality of different frequency (may be a subcarrier) position. It may be interpreted as a thing.
  • intra-slot frequency hopping is interpreted as transmitting the message (may be a channel) using (hopping to) a plurality of different frequency (may be subcarriers) positions in the same slot. good. Specific examples of inter-slot frequency hopping and intra-slot frequency hopping will be described later.
  • control unit 270 may determine the simultaneous application of inter-slot frequency hopping and intra-slot frequency hopping based on the frequency hopping pattern applied to the repetition of the message.
  • control unit 270 applies inter-slot frequency hopping and intra-slot frequency hopping at the same time based on the frequency hopping pattern instructed by the network or defined in advance as the 3GPP specifications? It may be determined whether or not.
  • control unit 270 may determine a slot in which the message can be repeated (Repetition). Specifically, the control unit 270 may assign the message to a slot that can be repetitive, which is instructed by the network or specified in advance as a 3GPP specification. An example of such a Repetition arrangement will be described later.
  • the above-mentioned function related to coverage expansion may be provided in gNB100.
  • the gNB100 has a wireless signal transmitter / receiver 210 that receives a message (for example, Msg3) in the RACH procedure from the first-class terminal and the second-class terminal, and a first-class terminal or a second-class terminal based on the message.
  • a control unit 270 for discriminating may be provided.
  • control unit 270 of the gNB 100 is a type 1 terminal or a type 2 terminal in the initial transmission (initial transmission) or retransmission (re-transmission) of a message (for example, Msg3) transmitted via the PUSCH (uplink data channel).
  • the terminal may be identified.
  • the first-class terminal and the second-class terminal may mean enhanced UE and legacy UE, respectively.
  • FIG. 4 shows an example of a random access sequence including Repetition of Msg3.
  • the UE 200 first transmits Msg1 to the NG-RAN20 (gNB100) according to the RACH procedure.
  • Msg1 may be referred to as a random access preamble, as described above.
  • UE200 receives Msg2 corresponding to Msg1 from NG-RAN20.
  • UE200 sends Msg3 corresponding to Msg2 to NG-RAN20.
  • Msg3 may be repeatedly transmitted.
  • Msg1 or the like may be repeatedly transmitted.
  • the UE200 may receive Msg4 for any one of Msg3 from NG-RAN20.
  • the UE200 may send an acknowledgment (HARQ (Hybrid Automatic repeat request) -ACK) to Msg4 to the NG-RAN20.
  • HARQ Hybrid Automatic repeat request
  • FIG. 5 shows an example of a random access sequence including initial transmission and re-transmission of Msg3.
  • the 3GPP specifications specify the re-transmission of Msg3.
  • the re-transmission of Msg3 may be executed when the initial transmission of Msg3 fails (cannot be received on the network side).
  • resources may be allocated by DCI format 0_0 with CRC scrambled by TC-RNTI (Radio Network Temporary Identifier).
  • TC-RNTI Radio Network Temporary Identifier
  • the PUSCH Repetition used for Msg3 transmission (which may include re-transmission) may be related to the Type A PUSCH Repetition.
  • Type A and Type B exist as existing PUSCH mapping types. Type A may be used only for repetition Type A, and Type B may be used for both repetition Type A and repetition Type B. In the existing Type A and Type B, allocation in slot units is assumed, so the value of L does not have to exceed "14" (number of symbols) (3GPP TS38.214 V16.2.0 ⁇ 6.1. See 2).
  • ⁇ (Operation example 1): Distinguish between enhanced UE and legacy UE ⁇ (Alt1): Do not discriminate between enhanced UE and legacy UE ⁇ (Alt2): Discriminate only during Msg3 re-transmission ⁇ (Alt3): Enhanced in Msg1 / Msg3 Determine UE and legacy UE ⁇ (Operation example 2): Inter-slot frequency hopping related operation ⁇ Simultaneous use of inter-slot frequency hopping and intra-slot frequency hopping ⁇ Notification of frequency offset ⁇ At 3 or more frequencies Notification of hopping pattern ⁇ (Operation example 3): Notification of Msg3 Repetition related information ⁇ PUSCH repetitions for Msg3 ⁇ PUSCH repetitions for initial transmission Msg3 ⁇ PUSCH representations for re-transmission Msg3
  • FIG. 6 shows an example of a random access sequence according to operation example 1.
  • the NG-RAN20 may determine whether or not Msg3 Repetition is applicable UE, that is, whether it is enhanced UE or legacy UE before transmission of Msg3.
  • gNB100 may notify UE200 of the presence or absence of Msg3 Repetition and allocate related resources regardless of the type of UE.
  • the initial transmission may not distinguish between enhanced UE and legacy UE, and the re-transmission may distinguish between enhanced UE and legacy UE.
  • enhanced UE and legacy UE may be discriminated in initial transmission and re-transmission.
  • -(Opt1) Report the UE identity that can identify the enhanced UE or legacy UE in Msg3 of the initial transmission. In this case, the Repetition does not have to be instructed in the initial transmission. If Repetition is not instructed, resource consumption can be suppressed.
  • Msg3 Repetition in the re-transmission may be instructed.
  • FIG. 7 shows an example of the Msg3 transmission operation flow according to the operation example 1 (Alt2-Opt2).
  • NG-RAN20 (gNB100) instructs Repetition in the initial transmission of Msg3 regardless of the type of UE, and depending on whether Msg3 is repeatedly transmitted (Repetition) at the time of initial transmission reception, the UE Repetition may be decided and / or notified.
  • the handling of enhanced UE and legacy UE may follow any of the following.
  • Opt1 Assign different initial bandwidths for enhanced UE and legacy UE ⁇
  • Opt2 Use different RACH preambles for enhanced UE and legacy UE ⁇
  • Opt3 Different for enhanced UE and legacy UE Use RACH occasion (Opt4): enhanced UE uses a specific OCC (Orthogonal Cover Code) pattern in the repeatedly transmitted Msg1
  • OCC Orthogonal Cover Code
  • the UE capability of the UE200 is also hidden (hidden / hidden). ) Is also good.
  • the Repetition of Msg3 may be set in the initial transmission and the re-transmission.
  • FIG. 8 shows an example of allocation of RACH occupation according to operation example 1 (Alt3-Opt2, 3).
  • RACH-ConfigGenericInformationElement IE
  • msg1-FDM Enhanced may be added in addition to msg1-FDM.
  • RACH-Config Generic is specified in 3GPP TS38.331.
  • FIG. 9 shows an example of simultaneous application of inter-slot frequency hopping and intra-slot frequency hopping of Msg3 according to operation example 2.
  • -(Case 2) Use both inter-slot frequency hopping and intra-slot frequency hopping at the same time As shown in Fig. 9, different offsets (frequency directions) are used for inter-slot frequency hopping and intra-slot frequency hopping. By using it, hopping using more frequencies becomes possible.
  • FIG. 10 shows an application example of the frequency offset according to the operation example 2 (Case 1).
  • the frequency offset value may be determined by any of the following.
  • -(Opt1) Specify the offset value table specified in 3GPP Release 15/16 by FDRA (Frequency Domain Resource Allocation). In this case, the same offset value is used for inter-slot frequency hopping and intra-slot frequency hopping. May be done. Further, a reserved bit may be used to specify two or more offsets, and hopping (FH) using three or more frequencies may be possible.
  • FDRA Frequency Domain Resource Allocation
  • the offset corresponding to the bit field may be changed for inter-slot frequency hopping.
  • the bit field may specify a pattern for hopping three or more frequencies.
  • the offset value of inter-slot frequency hopping may be determined by any of the following.
  • ⁇ (Opt1) Determined based on the offset value of intra-slot frequency hopping For example, if the offset value of intra-slot frequency hopping is N_BWP ⁇ size / 4, the offset value of inter-slot frequency hopping is set to N_BWP ⁇ size. / 2, -N_BWP ⁇ size / 2. When the offset value of intra-slot frequency hopping is N_BWP ⁇ size / 2, the offset value of inter-slot frequency hopping may be N_BWP ⁇ size / 4, -N_BWP ⁇ size / 4.
  • Such an offset value setting is an example, and the offset value of the intra-slot frequency hopping and the offset value of the inter-slot frequency hopping may be different from each other.
  • Such an offset value calculation rule may be set in advance, or the offset value may be notified by signaling of an upper layer (RRC or the like).
  • the offset may be set by the signaling of the upper layer or the RAR payload (details will be described later). Further, in the case of Msg3 re-transmission, the offset may be set by signaling or DCI of the upper layer.
  • Msg3 Repetition related information is notified to UE200.
  • PUSCH repetitions for Msg3 may be specified in advance as 3GPP specifications without notification. Further, PUSCH repetitions for Msg3 may be determined according to the frequency (band (or band)) used by the UE 200.
  • the presence / absence of PUSCHrepetitions for Msg3 and / or the frequency hopping pattern may be notified (also specified).
  • the frequency hopping pattern may be selected from, for example, inter-slot frequency hopping, intra-slot frequency hopping, or both inter-slot frequency hopping and intra-slot frequency hopping.
  • the number of repetitions may be notified.
  • (the number of slots) in which Repetition can be placed may be specified instead of the number of slots.
  • FIG. 11 shows an example of slot arrangement of Msg3 according to operation example 3.
  • Msg3 cannot be arranged in consecutive slots (see the x mark), so that Repetition cannot be performed (dropped).
  • PUSCHrepetitions for initial transmission Msg3 may be notified by any of the following or a combination.
  • PUSCHrepetitions for initial transmission Msg3 may also be determined according to the frequency (band (or band)) used by the UE 200.
  • PUSCH-ConfigCommon IE or RACH-ConfigCommon IE may be used.
  • FIG. 12 shows a configuration example of MAC RAR according to operation example 3. Specifically, in the case of notification by MAC RAR, one of the following may be selected.
  • TPC Transmit Power Control
  • MCS Modulation and Coding Information related to Scheme
  • PUSCH repetitions for re-transmission Msg3 any or combination of the following may be applied. Further, PUSCH repetitions for re-transmission Msg3 may also be determined according to the frequency (band (or band)) used by the UE 200.
  • PUSCH-ConfigCommon IE or RACH-ConfigCommon IE may be used.
  • ⁇ (Alt1) Implicitly notify the relevant information of Repetition according to the CCE (Control channel element) index in which DCI is placed.
  • ⁇ (Alt2) Repetition using reserved bits of HARQ process number and New data indicator. Notify related information
  • ⁇ (Alt3) Implicit notification by DCI information
  • information related to TDRA, TPC command and MCS may be linked. Further, in this case, the content to be associated may be set according to a predetermined rule or by a radio base station.
  • RNTI for DCI with CRC scrambled by enhanced UE RNTI for enhanced UE may be assigned by RAR.
  • DCI for enhanced UE may inform you of related information about Repetition.
  • the gNB100 can determine an enhanced UE or a legacy UE based on a message (eg, Msg3) transmitted via the PUSCH (uplink data channel).
  • the UE200 can simultaneously apply inter-slot frequency hopping and intra-slot frequency hopping to the transmission of messages in the RACH procedure.
  • the gNB 100 can discriminate between enhanced UE and legacy UE in the initial transmission or retransmission of the message transmitted via PUSCH.
  • the UE200 can determine the simultaneous application of inter-slot frequency hopping and intra-slot frequency hopping based on the frequency hopping pattern applied to the repetition of the message, and further, a slot capable of repeating the message. Can be decided.
  • PUSCH may also be called a physical uplink shared channel, and is not necessarily PUSCH as long as it is a channel (physical channel) shared by a plurality of UE200s (users) in UL.
  • each functional block is realized by any combination of at least one of hardware and software.
  • the method of realizing each functional block is not particularly limited. That is, each functional block may be realized using one physically or logically coupled device, or two or more physically or logically separated devices can be directly or indirectly (eg, for example). , Wired, wireless, etc.) and may be realized using these plurality of devices.
  • the functional block may be realized by combining the software with the one device or the plurality of devices.
  • Functions include judgment, decision, judgment, calculation, calculation, processing, derivation, investigation, search, confirmation, reception, transmission, output, access, solution, selection, selection, establishment, comparison, assumption, expectation, and assumption. Broadcasting, notifying, communicating, forwarding, configuring, reconfiguring, allocating, mapping, assigning, etc., but limited to these I can't.
  • a functional block that makes transmission function is called a transmitting unit (transmitting unit) or a transmitter (transmitter).
  • transmitting unit transmitting unit
  • transmitter transmitter
  • FIG. 13 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 “device” can be read as a circuit, device, unit, etc.
  • the hardware configuration of the device may be configured to include one or more of each of the devices shown in the figure, or may be configured not to include some of the devices.
  • Each functional block of the device (see FIG. 3) is realized by any hardware element of the computer device or a combination of the hardware elements.
  • the processor 1001 performs an operation by loading predetermined software (program) on the hardware such as the processor 1001 and the memory 1002, and controls the communication by the communication device 1004, or the memory. It is realized by controlling at least one of reading and writing of data in 1002 and storage 1003.
  • predetermined software program
  • Processor 1001 operates, for example, an operating system to control the entire computer.
  • the processor 1001 may be composed of a central processing unit (CPU) including an interface with peripheral devices, a control device, an arithmetic unit, a register, and the like.
  • CPU central processing unit
  • the processor 1001 reads a program (program code), a software module, 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.
  • a program program code
  • a program that causes a computer to execute at least a part of the operations described in the above-described embodiment is used.
  • 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.
  • Processor 1001 may be implemented by one or more chips.
  • the program may be transmitted from the network via a telecommunication line.
  • the memory 1002 is a computer-readable recording medium, and is composed of at least one such as ReadOnlyMemory (ROM), ErasableProgrammableROM (EPROM), Electrically ErasableProgrammableROM (EEPROM), and RandomAccessMemory (RAM). May be done.
  • the memory 1002 may be referred to as a register, a cache, a main memory (main storage device), or the like.
  • the memory 1002 can store a program (program code), a software module, or the like that can execute the method according to the embodiment of the present disclosure.
  • the storage 1003 is a computer-readable recording medium, for example, an optical disk such as Compact Disc ROM (CD-ROM), a hard disk drive, a flexible disk, an optical magnetic disk (for example, a compact disk, a digital versatile disk, or a Blu-ray). It may consist of at least one (registered trademark) disk), smart card, flash memory (eg, card, stick, key drive), floppy (registered trademark) disk, magnetic strip, and the like.
  • Storage 1003 may be referred to as auxiliary storage.
  • the recording medium described above may be, for example, a database, server or other suitable medium containing at least one of memory 1002 and storage 1003.
  • 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, a network controller, a network card, a communication module, or the like.
  • the communication device 1004 includes, for example, a high frequency switch, a duplexer, a filter, a frequency synthesizer, etc. in order to realize at least one of frequency division duplex (FDD) and time division duplex (TDD). It may be composed of.
  • FDD frequency division duplex
  • TDD time division duplex
  • the input device 1005 is an input device (for example, 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 outputs to the outside.
  • the input device 1005 and the output device 1006 may have an integrated configuration (for example, a touch panel).
  • 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 (Digital Signal Processor: DSP), an Application Specific Integrated Circuit (ASIC), a Programmable Logic Device (PLD), and a Field Programmable Gate Array (FPGA).
  • the hardware may implement some or all of each functional block.
  • processor 1001 may be implemented using at least one of these hardware.
  • information notification includes physical layer signaling (eg Downlink Control Information (DCI), Uplink Control Information (UCI), higher layer signaling (eg 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 eg RRC signaling, Medium Access Control (MAC) signaling, broadcast information (Master Information Block)).
  • MIB System Information Block
  • SIB System Information Block
  • RRC signaling may also be referred to as an RRC message, for example, RRC Connection Setup. ) Message, RRC Connection Reconfiguration message, etc. may be used.
  • LTE LongTermEvolution
  • LTE-A LTE-Advanced
  • SUPER3G IMT-Advanced
  • 4G 4th generation mobile communication system
  • 5G 5th generation mobile communication system
  • FutureRadioAccess FAA
  • NewRadio NR
  • W-CDMA registered trademark
  • GSM registered trademark
  • CDMA2000 Code Division Multiple Access 2000
  • UMB UltraMobileBroadband
  • IEEE802.11 Wi-Fi (registered trademark)
  • IEEE802.16 WiMAX®
  • IEEE802.20 Ultra-WideBand
  • Bluetooth® Ultra-WideBand
  • other systems that utilize appropriate systems and at least one of the next generation systems extended based on them. It may be applied to one.
  • a plurality of systems may be applied in combination (for example, a combination of at least one of LTE and LTE-A and 5G).
  • the specific operation performed by the base station in the present 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 (for example, MME or). It is clear that it can be done by at least one of (but not limited to, S-GW, etc.).
  • S-GW network node
  • the case where there is one network node other than the base station is illustrated above, it may be a combination of a plurality of other network nodes (for example, MME and S-GW).
  • Information and signals can be output from the upper layer (or lower layer) to the lower layer (or upper layer).
  • Input / output may be performed via a plurality of network nodes.
  • the input / output information may be stored in a specific location (for example, memory) or may be managed using a management table. Input / output information can be overwritten, updated, or added. The output information may be deleted. The input information may be transmitted to another device.
  • the determination may be made by a value represented by 1 bit (0 or 1), by a boolean value (Boolean: true or false), or by comparing numerical values (for example, a predetermined value). It may be done by comparison with the value).
  • the notification of predetermined information (for example, the notification of "being X") is not limited to the explicit one, but is performed implicitly (for example, the notification of the predetermined information is not performed). May be good.
  • Software whether referred to as software, firmware, middleware, microcode, hardware description language, or by any other name, is an instruction, instruction set, code, code segment, program code, program, subprogram, software module.
  • Applications, software applications, software packages, routines, subroutines, objects, executable files, execution threads, procedures, features, etc. should be broadly interpreted.
  • software, instructions, information, etc. may be transmitted and received via a transmission medium.
  • a transmission medium For example, a website, where the software uses at least one of wired technology (coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), etc.) and wireless technology (infrared, microwave, etc.).
  • wired technology coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), etc.
  • wireless technology infrared, microwave, etc.
  • the information, signals, etc. described in this disclosure may be represented using any of a variety of different techniques.
  • data, instructions, commands, information, signals, bits, symbols, chips, etc. that may be referred to throughout the above description are voltages, currents, electromagnetic waves, magnetic fields or magnetic particles, light fields or photons, or any of these. It may be represented by a combination of.
  • a channel and a symbol may be a signal (signaling).
  • the signal may be a message.
  • the component carrier (CC) may be referred to as a carrier frequency, a cell, a frequency carrier, or the like.
  • system and “network” used in this disclosure are used interchangeably.
  • the information, parameters, etc. described in the present disclosure may be expressed using absolute values, relative values from predetermined values, or using other corresponding information. It may be represented.
  • the radio resource may be one indicated by an index.
  • Base Station BS
  • Wireless Base Station Wireless Base Station
  • NodeB NodeB
  • eNodeB eNodeB
  • gNodeB gNodeB
  • Base stations are sometimes referred to by terms such as macrocells, small cells, femtocells, and picocells.
  • the base station can accommodate one or more (for example, three) cells (also called sectors). When a base station accommodates multiple cells, the entire base station coverage area can be divided into multiple smaller areas, each smaller area being a base station subsystem (eg, a small indoor base station (Remote Radio)). Communication services can also be provided by Head: RRH).
  • a base station subsystem eg, a small indoor base station (Remote Radio)
  • Communication services can also be provided by Head: RRH).
  • cell refers to a base station that provides communication services in this coverage, and part or all of the coverage area of at least one of the base station subsystems.
  • MS mobile station
  • UE user equipment
  • terminal terminal
  • Mobile stations can be used by those skilled in the art as subscriber stations, mobile units, subscriber units, wireless units, remote units, mobile devices, wireless devices, wireless communication devices, remote devices, mobile subscriber stations, access terminals, mobile terminals, wireless. It may also be referred to as a terminal, remote terminal, handset, user agent, mobile client, client, or some other suitable term.
  • At least one of the base station and the mobile station may be called a transmitting device, a receiving device, a communication device, or the like.
  • At least one of the base station and the mobile station may be a device mounted on the mobile body, the mobile body itself, or the like.
  • the moving body may be a vehicle (eg, car, airplane, etc.), an unmanned moving body (eg, drone, self-driving car, etc.), or a robot (manned or unmanned). ) May be.
  • at least one of the base station and the mobile station includes a device that does not necessarily move during communication operation.
  • at least one of a base station and a 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, the same applies hereinafter).
  • communication between a base station and a mobile station has been replaced with communication between a plurality of 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 to the configuration.
  • the mobile station may have the functions of the base station.
  • words such as "up” and “down” may be read as words corresponding to communication between terminals (for example, "side”).
  • the upstream channel, the downstream channel, and the like may be read as a side channel.
  • the mobile station in the present disclosure may be read as a base station.
  • the base station may have the functions of the mobile station.
  • the radio frame may be composed of one or more frames in the time domain. Each one or more frames in the time domain may be referred to as a subframe. Subframes may further consist of one or more slots in the time domain.
  • the subframe may have a fixed time length (eg, 1 ms) that is independent of numerology.
  • the numerology may be a communication parameter that applies to at least one of the transmission and reception of a 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, wireless frame configuration, transmission / reception.
  • SCS SubCarrier Spacing
  • TTI transmission time interval
  • At least one of a specific filtering process performed by the machine in the frequency domain, a specific windowing process performed by the transmitter / receiver in the time domain, and the like may be indicated.
  • the slot may be composed of one or more symbols (Orthogonal Frequency Division Multiplexing (OFDM) symbol, Single Carrier Frequency Division Multiple Access (SC-FDMA) symbol, etc.) in the time region. Slots may be in numerology-based time units.
  • OFDM Orthogonal Frequency Division Multiplexing
  • SC-FDMA Single Carrier Frequency Division Multiple Access
  • the slot may include a plurality of mini slots. Each minislot may consist of one or more symbols in the time domain.
  • the mini-slot may also be referred to as a sub-slot.
  • a minislot may consist of a smaller number of symbols than the slot.
  • PDSCH (or PUSCH) transmitted in time units larger than the minislot may be referred to as PDSCH (or PUSCH) mapping type A.
  • the PDSCH (or PUSCH) transmitted using the minislot may be referred to as PDSCH (or PUSCH) mapping type B.
  • the wireless frame, subframe, slot, minislot and symbol all represent the time unit when transmitting a signal.
  • the radio frame, subframe, slot, minislot and symbol may have different names corresponding to each.
  • one subframe may be referred to as a transmission time interval (TTI)
  • TTI transmission time interval
  • TTI transmission time interval
  • TTI transmission time interval
  • TTI transmission time interval
  • TTI transmission time interval
  • TTI transmission time interval
  • TTI slot or one minislot
  • at least one of the subframe and TTI may be a subframe (1ms) in existing LTE, a period shorter than 1ms (eg, 1-13 symbols), or a period longer than 1ms. It may be.
  • the unit representing TTI may be called a slot, a mini slot, or the like instead of a subframe.
  • TTI refers to, for example, the minimum time unit of scheduling in wireless communication.
  • a base station schedules each user terminal to allocate radio resources (frequency bandwidth that can be used in each user terminal, transmission power, etc.) in TTI units.
  • the definition of TTI is not limited to this.
  • the TTI may be a transmission time unit such as a channel-encoded data packet (transport block), a code block, or a code word, or may be a processing unit such as scheduling or link adaptation.
  • the time interval for example, the number of symbols
  • the transport block, code block, code word, etc. may be shorter than the TTI.
  • one or more TTIs may be the minimum time unit for scheduling. Further, the number of slots (number of mini-slots) constituting the minimum time unit of the scheduling may be controlled.
  • a TTI having a time length of 1 ms may be called a normal TTI (TTI in LTE Rel.8-12), a normal TTI, a long TTI, a normal subframe, a normal subframe, a long subframe, a slot, or the like.
  • TTIs shorter than normal TTIs may also be referred to as shortened TTIs, short TTIs, partial TTIs (partial or fractional TTIs), shortened subframes, short subframes, minislots, subslots, slots, and the like.
  • the long TTI (for example, normal TTI, subframe, etc.) may be read as a TTI having a time length of more than 1 ms
  • the short TTI (for example, shortened TTI, etc.) may be read as less than the TTI length of the long TTI and 1 ms. It may be read as a TTI having the above TTI length.
  • the resource block (RB) is a resource allocation unit in the time domain and the frequency domain, and may include one or a plurality of continuous subcarriers in the frequency domain.
  • the number of subcarriers contained in RB may be the same regardless of numerology, and may be, for example, 12.
  • the number of subcarriers contained in the RB may be determined based on numerology.
  • the time domain of RB may include one or more symbols, and may have a length of 1 slot, 1 mini slot, 1 subframe, or 1 TTI.
  • Each 1TTI, 1 subframe, etc. may be composed of one or a plurality of resource blocks.
  • One or more RBs include a physical resource block (Physical RB: PRB), a sub-carrier group (Sub-Carrier Group: SCG), a resource element group (Resource Element Group: REG), a PRB pair, an RB pair, and the like. May be called.
  • Physical RB Physical RB: PRB
  • SCG sub-carrier Group
  • REG resource element group
  • PRB pair an RB pair, and the like. May be called.
  • the resource block may be composed of one or a plurality of resource elements (ResourceElement: RE).
  • RE resource elements
  • 1RE may be a radio resource area of 1 subcarrier and 1 symbol.
  • Bandwidth Part (which may also be called partial bandwidth, etc.) may represent a subset of consecutive common RBs (common resource blocks) for a neurology in a carrier. good.
  • the common RB may be specified by the index of the RB with respect to the 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 for UL
  • DL BWP BWP for DL
  • One or more BWPs may be set in one carrier for the UE.
  • At least one of the configured BWPs may be active, and the UE may not expect to send or receive a given signal / channel outside the active BWP.
  • “cell”, “carrier” and the like in this disclosure may be read as “BWP”.
  • the above-mentioned structures such as wireless frames, subframes, slots, mini slots and symbols are merely examples.
  • the number of subframes contained in a wireless frame the number of slots per subframe or wireless frame, the number of minislots contained within a slot, the number of symbols and RBs contained in a slot or minislot, included in RB.
  • the number of subcarriers, the number of symbols in the TTI, the symbol length, the cyclic prefix (CP) length, and other configurations can be changed in various ways.
  • connection means any direct or indirect connection or connection between two or more elements, and each other. It can include the presence of one or more intermediate elements between two “connected” or “combined” elements.
  • the connection or connection between the elements may be physical, logical, or a combination thereof.
  • connection may be read as "access”.
  • the two elements use at least one of one or more wires, cables and printed electrical connections, and, as some non-limiting and non-comprehensive examples, the radio frequency domain.
  • Electromagnetic energy with wavelengths in the microwave and light (both visible and invisible) regions, etc. can be considered to be “connected” or “coupled” to each other.
  • the reference signal can also be abbreviated as Reference Signal (RS) and may be called a pilot (Pilot) depending on the applicable standard.
  • RS Reference Signal
  • Pilot pilot
  • each of the above devices may be replaced with a "part”, a “circuit”, a “device”, or the like.
  • references to elements using designations such as “first”, “second” as used in this disclosure does not generally limit the quantity or order of those elements. These designations can be used in the present disclosure as a convenient way to distinguish between two or more elements. Thus, references to the first and second elements do not mean that only two elements can be adopted there, or that the first element must somehow precede the second element.
  • determining and “determining” used in this disclosure may include a wide variety of actions.
  • “Judgment” and “decision” are, for example, judgment (judging), calculation (calculating), calculation (computing), processing (processing), derivation (deriving), investigation (investigating), search (looking up, search, inquiry). (For example, searching in a table, database or another data structure), ascertaining may be regarded as “judgment” or “decision”.
  • judgment and “decision” are receiving (for example, receiving information), transmitting (for example, transmitting information), input (input), output (output), and access.
  • Accessing (for example, accessing data in memory) may be regarded as "judgment” or “decision”.
  • judgment and “decision” mean that the things such as solving, selecting, choosing, establishing, and comparing are regarded as “judgment” and “decision”. Can include. That is, “judgment” and “decision” may include considering some action as “judgment” and “decision”. Further, “judgment (decision)” may be read as “assuming”, “expecting”, “considering” and the like.
  • the term "A and B are different” may mean “A and B are different from each other”.
  • the term may mean that "A and B are different from C”.
  • Terms such as “separate” and “combined” may be interpreted in the same way as “different”.
  • Wireless communication system 20 NG-RAN 100 gNB 200 UE 210 Radio signal transmission / reception unit 220 Amplifier unit 230 Modulation / demodulation unit 240 Control signal / reference signal processing unit 250 Coding / decoding unit 260 Data transmission / reception unit 270 Control unit 1001 Processor 1002 Memory 1003 Storage 1004 Communication device 1005 Input device 1006 Output device 1007 Bus

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PCT/JP2021/001359 WO2022153506A1 (ja) 2021-01-15 2021-01-15 無線基地局及び端末
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Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
"New WID on NR coverage enhancements", RP-202928, 3 GPP TSG RAN MEETING # 90 E, 3 GPP, December 2020 (2020-12-01)
CATT: "PUSCH enhancements for URLLC", 3GPP DRAFT; R1-1910343, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Chongqing, China; 20191014 - 20191020, 5 October 2019 (2019-10-05), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051808524 *
CHINA TELECOM: "Discussion on Msg3 PUSCH enhancements", 3GPP TSG RAN WG1 #103-E RL- 2007996, 26 October 2020 (2020-10-26), XP051939426, Retrieved from the Internet <URL:https://www.3gpp.org/ftp/tsg_Ran/WGl_RL1/TSGR1_103-e/Docs/R1-2007996.zip> *
NEC: "Discussion on Msg3 coverage enhancement", 3GPP DRAFT; R1-2008080, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. e-Meeting; 20201026 - 20201113, 16 October 2020 (2020-10-16), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051939457 *
See also references of EP4280788A4
ZTE CORPORATION: "Discussion on potential techniques for channels other than PUSCH and PUCCH", 3GPP TSG RAN WG1 #103-E RL-2007745, 26 October 2020 (2020-10-26), XP051939885, Retrieved from the Internet <URL:https://www.3gpp.org/ftp/tsg_ran/WGl_RL1/TSGR1_103-e/Docs/Rl-2007745.zip> *

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