WO2022151427A1 - 一种传输方法、终端设备和网络设备 - Google Patents

一种传输方法、终端设备和网络设备 Download PDF

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Publication number
WO2022151427A1
WO2022151427A1 PCT/CN2021/072312 CN2021072312W WO2022151427A1 WO 2022151427 A1 WO2022151427 A1 WO 2022151427A1 CN 2021072312 W CN2021072312 W CN 2021072312W WO 2022151427 A1 WO2022151427 A1 WO 2022151427A1
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WIPO (PCT)
Prior art keywords
field
grant
indication
terminal device
indication field
Prior art date
Application number
PCT/CN2021/072312
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English (en)
French (fr)
Inventor
贺传峰
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2021/072312 priority Critical patent/WO2022151427A1/zh
Priority to CN202180075002.5A priority patent/CN116438894A/zh
Priority to EP21918631.9A priority patent/EP4262318A4/en
Publication of WO2022151427A1 publication Critical patent/WO2022151427A1/zh
Priority to US18/220,759 priority patent/US20230354435A1/en

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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
    • H04W74/0833—Random access procedures, e.g. with 4-step 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1273—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H04W72/232—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal

Definitions

  • the present application relates to the field of communications, and more particularly, to a transmission method, terminal device and network device.
  • the repeat transmission (repetition) of uplink data is used to improve the transmission reliability.
  • the PUSCH may be repeatedly transmitted to improve transmission reliability.
  • random access can adopt a four-step random access procedure, including message 1 (Msg1)-Msg4.
  • Msg3 is carried by PUSCH.
  • 3GPP 3rd Generation Partnership Project
  • RAR Random Access Response
  • the embodiments of the present application provide a transmission method, a terminal device, and a network device.
  • An embodiment of the present application proposes a transmission method, including:
  • the terminal device receives the random access response RAR, and the RAR carries the uplink grant UL grant of the message 3Msg3 of the repeated transmission of the random access process;
  • the terminal device determines the RV used for repeated transmission of Msg 3;
  • the terminal device transmits the Msg3 repeatedly by using the RV according to the RAR.
  • the embodiment of the present application also proposes a transmission method, including:
  • the network device sends the RAR to the terminal device, and the RAR carries the UL grant of the repeated transmission of Msg3; the RAR is used to enable the terminal device to determine the RV used for the repeated transmission of the Msg3, and to use the RV to repeatedly transmit the Msg3.
  • the embodiment of the present application also proposes a terminal device, including:
  • the receiving module is used to receive the random access response RAR, the RAR carries the uplink grant UL grant of the message 3Msg3 of the repeated transmission of the random access process;
  • the transmission module is used for repeatedly transmitting the Msg3 using the RV according to the RAR.
  • the embodiment of the present application also proposes a network device, including:
  • the first sending module is used for sending RAR, and the RAR carries the UL grant of repeated transmission of Msg3; the RAR is used to enable the terminal device to determine the RV used for repeated transmission of Msg3, and to use the RV to repeatedly transmit Msg3.
  • An embodiment of the present application also proposes a terminal device, including: a processor, a memory, and a transceiver, where the memory is used to store a computer program, the processor is used to call and run the computer program stored in the memory, and control the transceiver to execute the following steps: The method of any of the above.
  • An embodiment of the present application also proposes a network device, including: a processor, a memory, and a transceiver, where the memory is used to store a computer program, the processor is used to call and run the computer program stored in the memory, and control the transceiver to execute the following steps: The method of any of the above.
  • An embodiment of the present application further proposes a chip, including: a processor, configured to call and run a computer program from a memory, so that a device installed with the chip executes the method described in any one of the above.
  • An embodiment of the present application further provides a computer-readable storage medium for storing a computer program, where the computer program causes a computer to execute the method described in any one of the foregoing.
  • the embodiments of the present application also provide a computer program product, including computer program instructions, the computer program instructions cause a computer to execute the method described in any one of the above.
  • the embodiment of the present application also provides a computer program, the computer program enables a computer to execute the method described in any one of the above.
  • the embodiment of the present application also proposes a communication system, including:
  • a terminal device configured to execute the method described in any of the above;
  • a communication device for performing the method as described in any of the above.
  • the terminal device may determine the RV used for repeated transmission, and use the determined RV to repeatedly transmit the Msg3, so as to specify the RV used for repeated transmission of Msg3.
  • FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a transmission method 200 according to an embodiment of the present application.
  • FIG. 3A is an example diagram of an RV used to indicate a Msg3 repeat transmission in the RAR.
  • FIG. 3B is an example diagram of a combination of RV values used to indicate repeated transmission of Msg3 in the RAR.
  • FIG. 3C is an example diagram of high-layer signaling configuration or preset RV used for Msg3 repeated transmission.
  • FIG. 4 is a schematic flowchart of a transmission method 400 according to an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a terminal device 500 according to an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a network device 600 according to an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a communication device 700 according to an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a chip 800 according to an embodiment of the present application.
  • FIG. 9 is a schematic block diagram of a communication system 900 according to an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • CDMA Wideband Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Advanced Long Term Evolution
  • NR New Radio
  • LTE LTE-based access to unlicensed spectrum
  • LTE-U Universal Mobile Telecommunication System
  • UMTS Universal Mobile Telecommunication System
  • WLAN Wireless Local Area Networks
  • WiFi Wireless Fidelity
  • the communication system in this embodiment of the present application may be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, a dual connectivity (Dual Connectivity, DC) scenario, or a standalone (Standalone, SA) distribution. web scene.
  • Carrier Aggregation, CA Carrier Aggregation, CA
  • DC Dual Connectivity
  • SA standalone
  • This embodiment of the present application does not limit the applied spectrum.
  • the embodiments of the present application may be applied to licensed spectrum, and may also be applied to unlicensed spectrum.
  • terminal equipment may also be referred to as user equipment (User Equipment, UE), access terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • UE User Equipment
  • access terminal subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • the terminal device can be a station (STAION, ST) in the WLAN, can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a personal digital processing (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, and next-generation communication systems, such as terminal devices in NR networks or Terminal equipment in the future evolved Public Land Mobile Network (Public Land Mobile Network, PLMN) network, etc.
  • STAION, ST in the WLAN
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices, which are the general term for the intelligent design of daily wear and the development of wearable devices using wearable technology, such as glasses, gloves, watches, clothing and shoes.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable device is not only a hardware device, but also realizes powerful functions through software support, data interaction, and cloud interaction.
  • wearable smart devices include full-featured, large-scale, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, which needs to cooperate with other devices such as smart phones.
  • a network device can be a device used to communicate with a mobile device.
  • the network device can be an access point (Access Point, AP) in WLAN, a base station (Base Transceiver Station, BTS) in GSM or CDMA, or a WCDMA
  • a base station NodeB, NB
  • it can also be an evolved base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or a vehicle-mounted device, wearable device, and network equipment (gNB) in NR networks Or network equipment in the PLMN network that evolves in the future.
  • AP Access Point
  • BTS Base Transceiver Station
  • gNB network equipment
  • a network device provides services for a cell
  • a terminal device communicates with the network device through transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell
  • the cell may be a network device (for example, a frequency domain resource).
  • the cell corresponding to the base station), the cell can belong to the macro base station, or it can belong to the base station corresponding to the small cell (Small cell), where the small cell can include: Metro cell, Micro cell, Pico cell cell), Femto cell, etc.
  • These small cells have the characteristics of small coverage and low transmit power, and are suitable for providing high-speed data transmission services.
  • FIG. 1 exemplarily shows one network device 110 and two terminal devices 120.
  • the wireless communication system 100 may include a plurality of network devices 110, and the coverage of each network device 110 may include other numbers
  • the terminal device 120 is not limited in this embodiment of the present application.
  • the embodiments of the present application may be applied to one terminal device 120 and one network device 110 , and may also be applied to one terminal device 120 and another terminal device 120 .
  • the wireless communication system 100 may further include other network entities such as a mobility management entity (Mobility Management Entity, MME), an access and mobility management function (Access and Mobility Management Function, AMF). This is not limited.
  • MME Mobility Management Entity
  • AMF Access and Mobility Management Function
  • the "instruction" mentioned in the embodiments of the present application may be a direct instruction, an indirect instruction, or an associated relationship.
  • a indicates B it can indicate that A directly indicates B, for example, B can be obtained through A; it can also indicate that A indicates B indirectly, such as A indicates C, and B can be obtained through C; it can also indicate that there is an association between A and B relation.
  • corresponding may indicate that there is a direct or indirect corresponding relationship between the two, or may indicate that there is an associated relationship between the two, or indicate and be instructed, configure and be instructed configuration, etc.
  • the random access process adopts a four-step process similar to LTE, including the transmission process of Msg1-Msg4.
  • the UE selects a suitable cell to camp on, it initiates a random access process and sends a preamble sequence (Msg1) to the base station; after the UE sends the Preamble, it will monitor the Physical Downlink Control Channel (PDCCH, Physical Downlink Control Channel) to receive the corresponding Random Access Response (RAR, Random Access Response).
  • RAR Random Access Response
  • the base station sends RAR, namely Msg2, which carries the uplink grant (UL grant, UpLink grant) of Msg3.
  • the RAR UL grant information includes time domain and frequency domain resource allocation information, power control command (TPC, Power Control Command), frequency hopping and modulation and coding strategy (MCS, Modulation and Coding Scheme) etc.
  • TPC power control command
  • MCS frequency hopping and modulation and coding strategy
  • the UE transmits Msg3 on the PUSCH allocated by the network according to the RAR, and finally the base station sends Msg4 to the UE, and the random access process ends.
  • the above-mentioned RAR UL grant information does not include the information of the RV used by the terminal equipment to transmit Msg3.
  • RV is designed to realize incremental redundancy (IR, Incremental Redundancy) hybrid automatic repeat request (HARQ, Hybrid Automatic Repeat reQuest) transmission, that is, the redundant bits generated by the encoder are divided into several groups, each RV defines a transmission start The first transmission and each HARQ retransmission use different RVs respectively, so as to realize the gradual accumulation of redundant bits and complete the incremental redundant HARQ operation.
  • the number of RVs can be 4, such as including RV0, RV1, RV2 and RV3.
  • the base station If the base station does not receive the Msg3 correctly, it will instruct the terminal device to re-upload the Msg3, which is called re-transmission of the Msg3.
  • the base station indicates the scheduling information of Msg3 re-transmission (re-transmission) through downlink control information (DCI, Downlink Control Information), and each DCI sent by the base station indicates one Msg3 re-transmission.
  • DCI Downlink Control Information
  • the terminal equipment sends Msg3 to the base station; if the base station does not receive the Msg3 correctly, it sends DCI to the terminal equipment, instructing the terminal equipment to retransmit the Msg3 once The terminal equipment retransmits the Msg3 once according to the instruction of the DCI; if the base station still does not receive the Msg3 correctly, then sends the DCI to the terminal equipment again, instructing the terminal equipment to retransmit the Msg3 once again; Until the base station correctly receives the Msg3 .
  • the terminal equipment uses the RV information to indicate the Msg3 retransmission. RV for retransmission.
  • the base station uses RAR to schedule terminal equipment to transmit Msg3 repeatedly.
  • the base station uses RAR to instruct the terminal device to perform 4 repetitions of Msg3.
  • the terminal device After the terminal device repeatedly transmits the Msg3 4 times, if the base station does not receive the Msg3 correctly, it can schedule the terminal device to retransmit the Msg3 through DCI. (re-transmission); the terminal device transmits the Msg3 4 times again according to the DCI.
  • the existing RAR scheduling information (that is, the RAR UL grant information) does not contain the RV information, there is currently no relevant rule on which RV should be used by the terminal device when repeatedly transmitting Msg3.
  • FIG. 2 is a schematic flowchart of a transmission method 200 according to an embodiment of the present application.
  • the method can optionally be applied to the system shown in FIG. Not limited to this.
  • the method includes at least some of the following.
  • the terminal device receives the RAR, and the RAR carries the UL grant of repeated transmission of Msg3;
  • the terminal device determines the RV used to repeatedly transmit the Msg 3;
  • the terminal device uses the RV to repeatedly transmit the Msg3 according to the RAR.
  • the network device After receiving Msg1, the network device sends a RAR to the UE, and the RAR carries the UL grant that retransmits the Msg3 4 times.
  • the terminal device determines the RV used for each repeated transmission of Msg3, and uses the determined RV Each repeat transmission.
  • the embodiments of the present application propose at least the following three implementation manners:
  • the above RAR carries RV indication information, and the terminal device determines the RV used by the repeatedly transmitted Msg3 according to the RV indication information.
  • the network device sends configuration signaling, such as a system message; the configuration signaling carries RV indication information; the terminal device determines the RV used by the repeatedly transmitted Msg3 according to the RV indication information in the received configuration signaling.
  • configuration signaling such as a system message
  • the configuration signaling carries RV indication information
  • the terminal device determines the RV used by the repeatedly transmitted Msg3 according to the RV indication information in the received configuration signaling.
  • the terminal device receives the DCI used by the network device to schedule RAR transmission, and the DCI carries RV indication information; the terminal device determines the RV used by the repeatedly transmitted Msg3 according to the RV indication information.
  • the terminal device determines the RV used by the repeatedly transmitted Msg3 according to the preset.
  • the network device (such as the base station) sends an RAR to the terminal device, and the RAR carries the UL grant of repeated transmission of Msg3, the UL
  • the grant includes an RV indication field, and the RV indication field carries RV indication information.
  • the UL grant including the RV indication field may also include at least one of the following:
  • the first bit field in a UL grant that includes the RV indication field is the same length as in a UL grant that does not include the RV indication field.
  • Table 1 is an example of the UL grant including the RV indication field, and Table 1 shows the information and lengths carried by each field in the UL grant including the RV indication field.
  • Frequency hopping flag 1 PUSCH frequency resource allocation 14 PUSCH time resource allocation 4 MCS 4 TPC command for PUSCH (TPC command for PUSCH) 3 CSI request 1 RV indicator field 2
  • Table 1 corresponds to the case without shared spectrum channel access.
  • the length of the newly added RV indication field is 2 bits, which can indicate 4 kinds of RV information. For example, when the value of the RV indication field is 00, it means RV0, when the value is 01, it means RV1, when the value is 10, it means RV2, and when the value is 11, it means RV3. This length is only an example, and the application does not exclude other lengths. Except for the newly added RV indication field, the lengths of other fields (that is, the above-mentioned first bit field) are the same as the lengths of the corresponding fields in the UL grant that do not include the RV indication field. It can be seen that the length of the UL grant including the RV indication field is N bits longer than the length of the UL grant that does not include the RV indication field, where N is the length of the RV indication field.
  • the length of the first bit field in the UL grant including the RV indication field is M bits smaller than the length in the UL grant not including the RV indication field; wherein M is an integer greater than or equal to N, N is the length of the RV indication field.
  • Table 2 is another example of the UL grant including the RV indication field, and Table 2 shows the information and lengths carried by each field in the UL grant including the RV indication field.
  • Frequency hopping flag 1 PUSCH frequency resource allocation 12 RV indicator field 2 PUSCH time resource allocation 4 MCS 4 TPC command for PUSCH (TPC command for PUSCH) 3 CSI request 1
  • Table 2 corresponds to the case without shared spectrum channel access.
  • the length of the newly added RV indication field is 2 bits, which can indicate 4 kinds of RV information. This length is for example only, and the application does not exclude other lengths.
  • the length of the PUSCH frequency domain allocation field (12 bits) is 2 bits smaller than its length (14 bits) in the UL grant that does not include the RV indication field, which is equivalent to changing the original PUSCH
  • the frequency domain allocation domain is divided into 2 bits for carrying the RV indication information. It can be seen that in this example, the length of the UL grant including the RV indication field is equal to the length of the UL grant that does not include the RV indication field, and this embodiment does not change the length of the original UL grant.
  • bits with a length greater than that of the RV indication field may be further divided from the PUSCH frequency domain allocation field, some of which are used to carry the RV indication information, and some are used to carry other information. For example, if 4 bits are divided from the PUSCH frequency domain allocation domain, the length of the PUSCH frequency domain allocation domain is 10 bits; among the divided 4 bits, 2 bits become the RV indication domain, which is used to carry the RV indication information. 2 bits are used to carry other information.
  • Table 3 is another example of the UL grant including the RV indication field, and Table 3 shows the information and lengths carried by each field in the UL grant including the RV indication field.
  • Frequency hopping flag 1 PUSCH frequency resource allocation 10 RV indicator field 2 PUSCH time resource allocation 4 MCS 4 TPC command for PUSCH (TPC command for PUSCH) 3 CSI request 1 Channel Access-Cyclic Prefix Extension (ChannelAccess-CPext) 2
  • Table 3 corresponds to the case with shared spectrum channel access.
  • the length of the newly added RV indication field is 2 bits, which can indicate 4 kinds of RV information. This length is for example only, and the application does not exclude other lengths.
  • the length of the PUSCH time domain allocation field (10 bits) is 2 bits smaller than its length (12 bits) in the UL grant that does not include the RV indication field, which is equivalent to changing the original PUSCH
  • the time domain allocation domain is divided into 2 bits for carrying the RV indication information. It can be seen that in this example, the length of the UL grant including the RV indication field is equal to the length of the UL grant that does not include the RV indication field, and this embodiment does not change the length of the original UL grant.
  • some bits may be divided from at least one other first bit field to carry the RV indication information.
  • 1 bit is divided from the PUSCH frequency domain allocation domain, and 1 bit is divided from the CSI request domain, and the divided bits are used as the new RV indication domain to carry the RV indication information; the length of the new RV indication domain is 2 bits, the RV indication field carries RV indication information.
  • the embodiments of the present application do not limit the foregoing division manner.
  • the length of the UL grant including the RV indication field is equal to the length of the UL grant not including the RV indication field, so the length of the existing UL grant may not be changed.
  • the RV indication information carried by the UL grant can indicate one type of RV, and the terminal equipment needs to perform multiple repeated transmissions when performing Msg3 repeated transmissions. This has the problem of how to determine the RV used for each repeated transmission.
  • the terminal device can determine the RV used for the 0th Msg3 repeated transmission according to the RV indication information, and the terminal device determines the RV used for each subsequent Msg3 repeated transmission according to the RV indication information and the preset RV sequence.
  • the terminal device determines that the 0th Msg3 repeated transmission adopts RV0.
  • the preset RV sequence is RV0-RV2-RV3-RV1...
  • the RV used for each repeated transmission of Msg3 is determined.
  • Fig. 3A is an example diagram of indicating the RV used for one Msg3 repeated transmission in the RAR. As shown in Fig. 3A, the RV used for the 0th repeated transmission is indicated in the RAR used to schedule the repeated transmission of Msg3; the terminal device according to the indication and the preset RV sequence, determine the RV used for each repeated transmission of Msg3 (4 repeated transmissions in FIG. 3A ).
  • RAR only indicates one RV value.
  • the RAR may indicate a combination of RV values, including the RV values used for at least two repeated transmissions in multiple repeated transmissions of Msg3.
  • FIG. 3B is an example diagram of the RV value combination used to indicate the repeated transmission of Msg3 in the RAR. As shown in FIG. 3B , the RV value combination is indicated in the RAR used to schedule the repeated transmission of Msg3, such as instructing the repeated transmission of Msg3 each time The RV used; the terminal equipment indicates this, and determines the RV used for each repeated transmission of Msg3 (4 repeated transmissions in FIG. 3B ).
  • the RV value combination indicated by the RAR may include the RV used for partial Msg3 repeated transmission.
  • the terminal device may determine the RV used for each Msg3 repeated transmission according to the RV indication information and other information contained in the RAR.
  • the number of times of repeated transmission of Msg3 is pre-configured to be 4 times, and the RAR indicates that the RVs used for the repeated transmission of Msg3 for 2 times are RV1 and RV2.
  • the terminal equipment can determine, according to the RV indication information contained in the RAR, that the RVs used in the first two Msg3 repeated transmissions are RV1 and RV2 respectively; the terminal equipment can use the RV indication information and the preset RV sequence, such as RV0-RV2-RV3 - RV1 . . . It is determined that the RVs used for the next two Msg3 repeated transmissions are RV3 (RV3 is the RV after the last RV indicated by the RV indication information) and RV1.
  • the terminal device may determine, according to the RV indication information contained in the RAR, that the RVs used for the next two Msg3 repeated transmissions are also RV1 and RV2, respectively.
  • the terminal device may divide the 4 Msg3 repeated transmissions into 2 groups, wherein the 0th group includes the 0th Msg3 repeat transmission and the 2nd Msg3 repeat transmission, and the 1st group includes the 1st Msg3 repeat transmission and the 3rd Msg3 repeat transmission. Repeated transmission; when the RV indication information includes RV1 and RV2, the terminal device determines that RV1 is used for repeated transmission of the 0th group of Msg3, and RV1 is used for the repeated transmission of the first group of Msg3.
  • the RV indication information is carried in the RAR, which can have the flexibility of the RV indication like the DCI in the prior art instructing the PUSCH repeated transmission, and can improve the transmission performance of the Msg3.
  • the RV used for the repeated transmission of Msg3 can be configured through high-layer signaling.
  • the network device sends configuration signaling to the terminal device, where the configuration signaling carries RV indication information; the terminal device receives the configuration signaling, and determines the RV used by the repeatedly transmitted Msg3 according to the RV indication information in the configuration signaling.
  • the above configuration signaling may be a radio resource control (RRC, Radio Resource Control) message or a system message, and the configuration mode may be a semi-static configuration.
  • RRC Radio Resource Control
  • the configuration mode may be a semi-static configuration.
  • multiple versions can be configured. For example, when the number of times of repeated transmission of Msg3 is 4, 4 pieces of RV information are configured.
  • the terminal device determines the RV information of the first Msg3 according to the configuration, and the RV used for the subsequent repeated transmissions of the Msg3 is determined according to preset rules .
  • the RV used for the repeated transmission of Msg3 may be indicated by the DCI for scheduling RAR transmission.
  • the terminal device receives a DCI for scheduling RAR transmission, the DCI includes an RV indication field, and the RV indication field carries RV indication information;
  • the terminal device determines the RV used for repeated transmission of Msg 3.
  • the above-mentioned RV indication field is a new RV indication field added in the DCI, which is used to indicate the RV used for repeated transmission of Msg 3.
  • the present application can multiplex the existing RV indication field in the DCI, and the RV indication field can indicate the RV information used by the PDSCH,
  • the RV used for repeated transmission of Msg 3 may also be indicated.
  • the RV used for the repeated transmission of the Msg3 may be preset; the terminal device determines the RV used for the repeated transmission of the Msg3 according to the preset.
  • FIG. 3C is an example diagram of a high-layer signaling configuration, a DCI indication for scheduling RAR transmission, or an RV used for pre-setting Msg3 repeated transmission.
  • the terminal device After receiving the RAR information, the terminal device performs repeated transmission of Msg3, and the terminal device determines the RV used for each repeated transmission of Msg3 according to the high-layer signaling configuration, the instruction of the DCI for scheduling RAR transmission, or the preset settings. . Subsequently, when the DCI schedules the retransmission of Msg3, the RV used for the retransmission is indicated in the DCI.
  • the RV indication information carried in the configuration signaling, the RV information indicated by the DCI for scheduling RAR transmission, or the preset RV may indicate one RV value, or a combination of RV values of two or more RVs; according to the RV value/RV
  • the value combination and other information such as the above-mentioned RV sequence
  • the terminal device can determine the RV used for each Msg3 repeated transmission.
  • the RV indication information carried in the configuration signaling, the RV indicated by the DCI scheduling RAR transmission, or the preset RV information may indicate the RV used for each Msg3 repeated transmission, and the terminal device directly determines the RV value according to the RV information.
  • the repeated transmission of Msg3 is pre-configured to be 4 times, and the RV indication information carried in the configuration signaling or the preset indication 4 RVs are set to be "0231", indicating that the 4 repeated transmissions of Msg3 use RV0, RV2, RV3, RV1; or, indicating that the value of the four RVs is "0011", indicating that the four Msg3 repeated transmissions use RV0, RV0, RV1, and RV1 respectively.
  • the terminal device performs repeated transmission of Msg3 according to the RV information.
  • the foregoing RV value is only an example, which is not limited in this embodiment of the present application.
  • the high-layer signaling configures, schedules the DCI indication for RAR transmission, or instructs the RV value of Msg3 repeated transmission in a predefined manner, so as to avoid changes to the existing RAR content, and does not increase the RAR overhead;
  • the signaling configuration and the way of scheduling the DCI indication transmitted by the RAR can also ensure a certain flexibility of the RV indication.
  • FIG. 4 is a schematic flowchart of a transmission method 400 according to an embodiment of the present application.
  • the method can optionally be applied to the system shown in FIG. 1 , but is not limited to this.
  • the method includes at least some of the following. include:
  • the network device sends an RAR to the terminal device, where the RAR carries the UL grant for repeated transmission of Msg3; the RAR is used to enable the terminal device to determine the RV used for repeated transmission of Msg3, and to use the RV to repeatedly transmit Msg3.
  • the RV indication information carried by the above-mentioned UL grant is used for the terminal device to determine the RV used for repeated transmission of Msg 3.
  • the above-mentioned UL grant includes an RV indication field, where the RV indication field carries RV indication information.
  • the above-mentioned UL grant also includes a first bit field, and the first bit field includes at least one of the following:
  • the UL grant of the above-mentioned RV indication field and the UL grant that does not include the RV indication field have at least one same first bit field;
  • the length of the first bit field in the UL grant including the RV indication field is the same as the length in the UL grant not including the RV indication field.
  • the above-mentioned UL grant including the RV indication field and the UL grant not including the RV indication field have at least one same first bit field;
  • the length of the first bit field in the UL grant including the RV indication field is M bits smaller than the length in the UL grant not including the RV indication field; M is an integer greater than or equal to N, and N is the length of the RV indication field.
  • the above method further includes:
  • the network device sends configuration signaling to the terminal device, where the configuration signaling carries RV indication information, and the RV indication information is used for the terminal device to determine the RV used for repeated transmission of Msg 3.
  • the above method further includes:
  • the network device sends the DCI for scheduling RAR transmission to the terminal device, the DCI includes an RV indication field, and the RV indication field carries RV indication information; the RV indication information is used for the terminal equipment to determine the RV used for repeated transmission of Msg 3.
  • the above-mentioned RV indication field is used to indicate the RV used for repeated transmission of Msg 3.
  • the above-mentioned RV indication field is used to indicate the RV information adopted by the PDSCH.
  • the foregoing RV indication information indicates an RV used for at least one Msg3 repeated transmission.
  • FIG. 5 is a schematic structural diagram of a terminal device 500 according to an embodiment of the present application, including:
  • a receiving module 510 configured to receive a random access response RAR, the RAR carries the uplink grant UL grant of the message 3Msg3 for repeated transmission of the random access process;
  • a determination module 520 configured to determine the RV used for repeated transmission of Msg 3;
  • the transmission module 530 is configured to repeatedly transmit the Msg3 by using the RV according to the RAR.
  • the above determination module 520 is used for:
  • the RV used for repeated transmission of Msg 3 is determined.
  • the above-mentioned UL grant includes an RV indication field, and the RV indication field carries RV indication information.
  • the above-mentioned UL grant also includes a first bit field, and the first bit field includes at least one of the following:
  • the above-mentioned UL grant including the RV indication field and the UL grant not including the RV indication field have at least one same first bit field;
  • the length of the first bit field in the UL grant including the RV indication field is the same as the length in the UL grant not including the RV indication field.
  • the above-mentioned UL grant including the RV indication field and the UL grant not including the RV indication field have at least one same first bit field;
  • the length of the first bit field in the UL grant including the RV indication field is M bits smaller than the length in the UL grant not including the RV indication field; M is an integer greater than or equal to N, and N is the length of the RV indication field.
  • the above determination module 520 is used for:
  • the RV used for repeated transmission of Msg 3 is determined.
  • the above determination module 520 is used for:
  • Receive downlink control information DCI for scheduling RAR transmission includes an RV indication field, and the RV indication field carries RV indication information;
  • the RV used for repeated transmission of Msg 3 is determined.
  • the above-mentioned RV indication field is used to indicate the RV used for repeated transmission of Msg 3.
  • the above-mentioned RV indication field is used to indicate the RV information adopted by the PDSCH.
  • the above determination module 520 is used for:
  • the RV used for repeated transmission of Msg 3 is determined.
  • the foregoing RV indication information indicates an RV used for at least one Msg3 repeated transmission.
  • FIG. 6 is a schematic structural diagram of a network device 600 according to an embodiment of the present application, including:
  • the first sending module 610 is configured to send the RAR, where the RAR carries the UL grant of the repeated transmission of Msg3; the RAR is used to enable the terminal device to determine the RV used for the repeated transmission of the Msg3, and to use the RV to repeatedly transmit the Msg3.
  • the RV indication information carried by the above-mentioned UL grant is used for the terminal device to determine the RV used for repeated transmission of Msg 3.
  • the above-mentioned UL grant includes an RV indication field, and the RV indication field carries RV indication information.
  • the above-mentioned UL grant also includes a first bit field, and the first bit field includes at least one of the following:
  • the above-mentioned UL grant including the RV indication field and the UL grant not including the RV indication field have at least one same first bit field;
  • the length of the first bit field in the UL grant including the RV indication field is the same as the length in the UL grant not including the RV indication field.
  • the above-mentioned UL grant including the RV indication field and the UL grant not including the RV indication field have at least one same first bit field;
  • the length of the first bit field in the UL grant including the RV indication field is M bits smaller than the length in the UL grant not including the RV indication field; M is an integer greater than or equal to N, and N is the length of the RV indication field.
  • the above-mentioned network device further includes:
  • the configuration module is configured to send configuration signaling to the terminal equipment, where the configuration signaling carries RV indication information, and the RV indication information is used for the terminal equipment to determine the RV used for repeated transmission of Msg 3.
  • the above-mentioned network device further includes:
  • the second sending module is used for the network device to send the DCI for scheduling RAR transmission to the terminal device, the DCI includes the RV indication field, and the RV indication field carries the RV indication information; RV.
  • the above-mentioned RV indication field is used to indicate the RV used for repeated transmission of Msg 3.
  • the above-mentioned RV indication field is used to indicate the RV information adopted by the PDSCH.
  • the foregoing RV indication information indicates an RV used for at least one Msg3 repeated transmission.
  • the functions described by the respective modules (submodules, units, or components, etc.) in the terminal device 500 and the network device 600 in the embodiments of the present application may be implemented by different modules (submodules, units, or components, etc.), It can also be realized by the same module (sub-module, unit or component, etc.), for example, the first sending module and the second sending module can be different modules, or can be the same module, both can realize the Corresponding functions in the examples.
  • the sending module and the receiving module in the embodiments of the present application may be implemented by the transceiver of the device, and some or all of the other modules may be implemented by the processor of the device.
  • FIG. 7 is a schematic structural diagram of a communication device 700 according to an embodiment of the present application.
  • the communication device 700 shown in FIG. 7 includes a processor 710, and the processor 710 can call and run a computer program from a memory, so as to implement the methods in the embodiments of the present application.
  • the communication device 700 may further include a memory 720 .
  • the processor 710 may call and run a computer program from the memory 720 to implement the methods in the embodiments of the present application.
  • the memory 720 may be a separate device independent of the processor 710 , or may be integrated in the processor 710 .
  • the communication device 700 may further include a transceiver 730, and the processor 710 may control the transceiver 730 to communicate with other devices, specifically, may send information or data to other devices, or receive other devices Information or data sent by a device.
  • the processor 710 may control the transceiver 730 to communicate with other devices, specifically, may send information or data to other devices, or receive other devices Information or data sent by a device.
  • the transceiver 730 may include a transmitter and a receiver.
  • the transceiver 730 may further include antennas, and the number of the antennas may be one or more.
  • the communication device 700 may be a terminal device of this embodiment of the present application, and the communication device 700 may implement the corresponding processes implemented by the terminal device in each method of the embodiment of the present application, which is not repeated here for brevity.
  • the communication device 700 may be a network device of this embodiment of the present application, and the communication device 700 may implement the corresponding processes implemented by the network device in each method of the embodiment of the present application, which is not repeated here for brevity.
  • FIG. 8 is a schematic structural diagram of a chip 800 according to an embodiment of the present application.
  • the chip 800 shown in FIG. 8 includes a processor 810, and the processor 810 can call and run a computer program from a memory, so as to implement the methods in the embodiments of the present application.
  • the chip 800 may further include a memory 820 .
  • the processor 810 may call and run a computer program from the memory 820 to implement the methods in the embodiments of the present application.
  • the memory 820 may be a separate device independent of the processor 810 , or may be integrated in the processor 810 .
  • the chip 800 may further include an input interface 830 .
  • the processor 810 may control the input interface 830 to communicate with other devices or chips, and specifically, may acquire information or data sent by other devices or chips.
  • the chip 800 may further include an output interface 840 .
  • the processor 810 may control the output interface 840 to communicate with other devices or chips, and specifically, may output information or data to other devices or chips.
  • the chip can be applied to the terminal device in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the terminal device in each method of the embodiment of the present application, which is not repeated here for brevity.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the network device in each method of the embodiment of the present application, which is not repeated here for brevity.
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.
  • the above-mentioned processor may be a general-purpose processor, a digital signal processor (DSP), an off-the-shelf programmable gate array (field programmable gate array, FPGA), an application specific integrated circuit (ASIC) or Other programmable logic devices, transistor logic devices, discrete hardware components, etc.
  • DSP digital signal processor
  • FPGA field programmable gate array
  • ASIC application specific integrated circuit
  • the general-purpose processor mentioned above may be a microprocessor or any conventional processor or the like.
  • the memory mentioned above may be either volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically programmable Erase programmable read-only memory (electrically EPROM, EEPROM) or flash memory.
  • Volatile memory may be random access memory (RAM).
  • the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is, the memory in the embodiments of the present application is intended to include but not limited to these and any other suitable types of memory.
  • FIG. 9 is a schematic block diagram of a communication system 900 according to an embodiment of the present application, where the communication system 900 includes a terminal device 500 and a network device 600 .
  • the terminal device 500 may be used to implement corresponding functions implemented by the terminal device in the methods of the various embodiments of the present application
  • the network device 600 may be used to implement corresponding functions implemented by the network device in the methods of the various embodiments of the present application function. For brevity, details are not repeated here.
  • the above-mentioned embodiments it may be implemented in whole or in part by software, hardware, firmware or any combination thereof.
  • software it can be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, all or part of the processes or functions described in the embodiments of the present application are generated.
  • the computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer instructions may be stored on or transmitted from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions may be transmitted over a wire from a website site, computer, server or data center (eg coaxial cable, optical fiber, Digital Subscriber Line (DSL)) or wireless (eg infrared, wireless, microwave, etc.) means to another website site, computer, server or data center.
  • the computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that includes one or more available media integrated.
  • the available medium may be a magnetic medium (eg, a floppy disk, a hard disk, a magnetic tape), an optical medium (eg, a DVD), or a semiconductor medium (eg, a Solid State Disk (SSD)), and the like.
  • a magnetic medium eg, a floppy disk, a hard disk, a magnetic tape
  • an optical medium eg, a DVD
  • a semiconductor medium eg, a Solid State Disk (SSD)
  • the size of the sequence numbers of the above-mentioned processes does not mean the sequence of execution, and the execution sequence of each process should be determined by its functions and internal logic, and should not be dealt with in the embodiments of the present application. implementation constitutes any limitation.

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Abstract

本申请实施例涉及一种传输方法、终端设备和网络设备，其中方法包括，终端设备接收随机接入响应(RAR)，该RAR中携带重复传输随机接入过程的消息3(Msg3)的上行授权(UL grant)；终端设备确定重复传输Msg 3采用的RV；终端设备根据该RAR，采用该RV重复传输Msg3。本申请实施例可以确定RAR调度的Msg3重复传输所采用的RV。

Description

一种传输方法、终端设备和网络设备 技术领域
本申请涉及通信领域，并且更具体地，涉及一种传输方法、终端设备和网络设备。
背景技术
在5G新空口(NR，New Radio)***中，为了支持高可靠低时延(ultra-reliable and low latency communication，URLLC)业务，采用了上行数据的重复传输(repetition)来提高传输可靠性。例如，可以对PUSCH进行重复传输重来提高传输可靠性。
在5G NR***中，随机接入可以采用四步随机接入过程，包括消息1(Msg1)-Msg4。其中，Msg3采用PUSCH承载。在第三代合作伙伴计划(3GPP，3rd Generation Partnership Project)标准中，拟采用对承载Msg3的PUSCH进行重复传输来提高覆盖性能。承载Msg3的PUSCH也可以称为Msg3PUSCH或Msg3。在现有技术中，采用Msg2，即随机接入响应(RAR，Random Access Response)来调度Msg3的重复传输。
对于RAR调度的Msg3重复传输，如何确定重复传输采用的RV，目前尚未有明确规定。
发明内容
本申请实施例提出一种传输方法、终端设备和网络设备。
本申请实施例提出一种传输方法，包括：
终端设备接收随机接入响应RAR，RAR中携带重复传输随机接入过程的消息3Msg3的上行授权UL grant；
终端设备确定重复传输Msg 3采用的RV；
终端设备根据RAR，采用RV重复传输Msg3。
本申请实施例还提出一种传输方法，包括：
网络设备向终端设备发送RAR，RAR中携带重复传输Msg3的UL grant；RAR用于使终端设备确定重复传输Msg 3采用的RV，并采用RV重复传输Msg3。
本申请实施例还提出一种终端设备，包括：
接收模块，用于接收随机接入响应RAR，RAR中携带重复传输随机接入过程的消息3Msg3的上行授权UL grant；
确定模块，用于确定重复传输Msg 3采用的RV；
传输模块，用于根据RAR，采用RV重复传输Msg3。
本申请实施例还提出一种网络设备，包括：
第一发送模块，用于发送RAR，RAR中携带重复传输Msg3的UL grant；RAR用于使终端设备确定重复传输Msg 3采用的RV，并采用RV重复传输Msg3。
本申请实施例还提出一种终端设备，包括：处理器、存储器和收发器，该存储器用于存储计算机程序，该处理器用于调用并运行存储器中存储的计算机程序，并控收发器，执行如上述任一项所述的方法。
本申请实施例还提出一种网络设备，包括：处理器、存储器和收发器，该存储器用于存储计算机程序，该处理器用于调用并运行存储器中存储的计算机程序，并控收发器，执行如上述任一项所述的方法。
本申请实施例还提出一种芯片，包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有该芯片的设备执行如上述任一项所述的方法。
本申请实施例还提出一种计算机可读存储介质，用于存储计算机程序，所述计算机程序使得计算机执行如上述任一项所述的方法。
本申请实施例还提出一种计算机程序产品，包括计算机程序指令，该计算机程序 指令使得计算机执行如上述任一项所述的方法。
本申请实施例还提出一种计算机程序，该计算机程序使得计算机执行如上述任一项所述的方法。
本申请实施例还提出一种通信***，包括：
终端设备，用于执行如上述任一项所述的方法；
通信设备，用于执行如上述任一项所述的方法。
本申请实施例对于Msg3重复传输，终端设备可以确定重复传输所采用的RV，并采用确定出的RV对该Msg3进行重复传输，从而明确Msg3重复传输所采用的RV。
附图说明
图1是本申请实施例的应用场景的示意图。
图2是根据本申请实施例的一种传输方法200的示意性流程图。
图3A是在RAR中指示一次Msg3重复传输所采用的RV的示例图。
图3B是在RAR中指示Msg3重复传输所采用的RV取值组合的示例图。
图3C是高层信令配置或预先设置Msg3重复传输所采用的RV的示例图。
图4是根据本申请实施例的一种传输方法400的示意性流程图。
图5是根据本申请实施例的终端设备500结构示意图。
图6是根据本申请实施例的网络设备600结构示意图。
图7是根据本申请实施例的通信设备700示意性结构图。
图8是根据本申请实施例的芯片800的示意性结构图。
图9是根据本申请实施例的通信***900的示意性框图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行描述。
需要说明的是，本申请实施例的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。同时描述的“第一”、“第二”描述的对象可以相同，也可以不同。
本申请实施例的技术方案可以应用于各种通信***，例如：全球移动通讯(Global System of Mobile communication，GSM)***、码分多址(Code Division Multiple Access，CDMA)***、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)***、通用分组无线业务(General Packet Radio Service，GPRS)、长期演进(Long Term Evolution，LTE)***、先进的长期演进(Advanced long term evolution，LTE-A)***、新无线(New Radio，NR)***、NR***的演进***、免授权频谱上的LTE(LTE-based access to unlicensed spectrum，LTE-U)***、免授权频谱上的NR(NR-based access to unlicensed spectrum，NR-U)***、通用移动通信***(Universal Mobile Telecommunication System，UMTS)、无线局域网(Wireless Local Area Networks，WLAN)、无线保真(Wireless Fidelity，WiFi)、下一代通信(5th-Generation，5G)***或其他通信***等。
通常来说，传统的通信***支持的连接数有限，也易于实现，然而，随着通信技术的发展，移动通信***将不仅支持传统的通信，还将支持例如，设备到设备(Device to Device，D2D)通信，机器到机器(Machine to Machine，M2M)通信，机器类型通信(Machine Type Communication，MTC)，以及车辆间(Vehicle to Vehicle，V2V)通信等，本申请实施例也可以应用于这些通信***。
可选地，本申请实施例中的通信***可以应用于载波聚合(Carrier Aggregation，CA)场景，也可以应用于双连接(Dual Connectivity，DC)场景，还可以应用于独立(Standalone，SA)布网场景。
本申请实施例对应用的频谱并不限定。例如，本申请实施例可以应用于授权频谱， 也可以应用于免授权频谱。
本申请实施例结合网络设备和终端设备描述了各个实施例，其中：终端设备也可以称为用户设备(User Equipment，UE)、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置等。终端设备可以是WLAN中的站点(STAION，ST)，可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol，SIP)电话、无线本地环路(Wireless Local Loop，WLL)站、个人数字处理(Personal Digital Assistant，PDA)设备、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备以及下一代通信***，例如，NR网络中的终端设备或者未来演进的公共陆地移动网络(Public Land Mobile Network，PLMN)网络中的终端设备等。
作为示例而非限定，在本申请实施例中，该终端设备还可以是可穿戴设备。可穿戴设备也可以称为穿戴式智能设备，是应用穿戴式技术对日常穿戴进行智能化设计、开发出可以穿戴的设备的总称，如眼镜、手套、手表、服饰及鞋等。可穿戴设备即直接穿在身上，或是整合到用户的衣服或配件的一种便携式设备。可穿戴设备不仅仅是一种硬件设备，更是通过软件支持以及数据交互、云端交互来实现强大的功能。广义穿戴式智能设备包括功能全、尺寸大、可不依赖智能手机实现完整或者部分的功能，例如：智能手表或智能眼镜等，以及只专注于某一类应用功能，需要和其它设备如智能手机配合使用，如各类进行体征监测的智能手环、智能首饰等。
网络设备可以是用于与移动设备通信的设备，网络设备可以是WLAN中的接入点(Access Point，AP)，GSM或CDMA中的基站(Base Transceiver Station，BTS)，也可以是WCDMA中的基站(NodeB，NB)，还可以是LTE中的演进型基站(Evolutional Node B，eNB或eNodeB)，或者中继站或接入点，或者车载设备、可穿戴设备以及NR网络中的网络设备(gNB)或者未来演进的PLMN网络中的网络设备等。
在本申请实施例中，网络设备为小区提供服务，终端设备通过该小区使用的传输资源(例如，频域资源，或者说，频谱资源)与网络设备进行通信，该小区可以是网络设备(例如基站)对应的小区，小区可以属于宏基站，也可以属于小小区(Small cell)对应的基站，这里的小小区可以包括：城市小区(Metro cell)、微小区(Micro cell)、微微小区(Pico cell)、毫微微小区(Femto cell)等，这些小小区具有覆盖范围小、发射功率低的特点，适用于提供高速率的数据传输服务。
图1示例性地示出了一个网络设备110和两个终端设备120，可选地，该无线通信***100可以包括多个网络设备110，并且每个网络设备110的覆盖范围内可以包括其它数量的终端设备120，本申请实施例对此不做限定。本申请实施例可以应用于一个终端设备120与一个网络设备110，也可以应用于一个终端设备120与另一个终端设备120。
可选地，该无线通信***100还可以包括移动性管理实体(Mobility Management Entity，MME)、接入与移动性管理功能(Access and Mobility Management Function，AMF)等其他网络实体，本申请实施例对此不作限定。
应理解，本文中术语“***”和“网络”在本文中常被可互换使用。本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
应理解，在本申请的实施例中提到的“指示”可以是直接指示，也可以是间接指示，还可以是表示具有关联关系。举例说明，A指示B，可以表示A直接指示B，例如B可以通过A获取；也可以表示A间接指示B，例如A指示C，B可以通过C获取； 还可以表示A和B之间具有关联关系。
在本申请实施例的描述中，术语“对应”可表示两者之间具有直接对应或间接对应的关系，也可以表示两者之间具有关联关系，也可以是指示与被指示、配置与被配置等关系。
为便于理解本申请实施例的技术方案，以下对本申请实施例的相关技术进行说明，以下相关技术作为可选方案与本申请实施例的技术方案可以进行任意结合，其均属于本申请实施例的保护范围。
在5G***中，随机接入过程采用了类似LTE的四步过程，包括Msg1-Msg4的发送过程。UE选择合适的小区驻留以后，发起随机接入过程，向基站发送前导序列(Preamble)，即Msg1；UE发送Preamble之后，将监听物理下行控制信道(PDCCH，Physical Downlink Control Channel)，以接收对应的随机接入响应(RAR，Random Access Response)。基站检测到UE发送的前导序列后发送RAR，即Msg2，其中承载Msg3的上行授权(UL grant，UpLink grant)。RAR UL grant信息中包括物理上行共享控制信道(PUSCH，Physical Uplink Share Channel)的时域和频域资源分配信息、功率控制命令(TPC，Power Control Command)、跳频和调制与编码策略(MCS，Modulation and Coding Scheme)等。UE根据该RAR，在网络分配的PUSCH上传输Msg3，最后基站向UE发送Msg4，随机接入过程结束。
上述RAR UL grant信息中不包括终端设备传输Msg3所采用的RV的信息，终端设备在传输Msg3时，默认采用RV0进行传输。RV的设计用于实现增量冗余(IR，Incremental Redundancy)混合自动重传请求(HARQ，Hybrid Automatic Repeat reQuest)传输，即将编码器生成的冗余比特分成若干组，每个RV定义一个传输开始点，首次传送和各次HARQ重传分别使用不同的RV，以实现冗余比特的逐步积累，完成增量冗余HARQ操作。RV的数量可以有4种，如包括RV0、RV1、RV2和RV3。
如果基站没有正确收到Msg3，会指示终端设备重新上传一次Msg3，这称为Msg3的重传(re-transmission)。基站通过下行控制信息(DCI，Downlink Control Information)指示Msg3重传(re-transmission)的调度信息，基站每次发送的DCI指示一次Msg3的重传。在四步随机接入过程中，基站向终端设备发送RAR之后，终端设备向基站发送Msg3；如果基站没有正确接收到该Msg3，则向终端设备发送DCI，指示该终端设备将该Msg3重传一次；终端设备根据该DCI的指示将Msg3重传一次；如果基站仍未正确接收到该Msg3，则再次向终端设备发送DCI，指示该终端设备再将该Msg3重传一次；直至基站正确接收到Msg3。
在DCI指示的调度信息中，除了包含上述RAR UL grant信息中所包含的信息之外，还包含本次Msg3重传所采用的RV信息；终端设备在进行Msg3重传时，采用该RV信息指示的RV进行重传。
目前引入了对Msg3的重复传输(repetition)，由基站采用RAR调度终端设备重复多次传输Msg3。例如，基站采用RAR指示终端设备进行4次Msg3的重复传输(repetition)，终端设备在对Msg3重复传输4次之后，如果基站没有正确接收到Msg3，则可以通过DCI调度终端设备进行Msg3的重传(re-transmission)；终端设备根据该DCI，再次传输4次Msg3。
由于现有的RAR调度信息(即RAR UL grant信息)中并不包含RV信息，因此，终端设备在重复传输Msg3时应采用哪种RV进行传输，目前并没有相关规则。
为此，本申请实施例提出一种传输方法，图2是根据本申请实施例的一种传输方法200的示意性流程图，该方法可选地可以应用于图1所示的***，但并不仅限于此。该方法包括以下内容的至少部分内容。
S210：终端设备接收RAR，该RAR中携带重复传输Msg3的UL grant；
S220：该终端设备确定重复传输该Msg 3采用的RV；
S230：该终端设备根据该RAR，采用该RV重复传输该Msg3。
例如，在接收到Msg1后，网络设备向UE发送RAR，该RAR中携带重传传输4次Msg3的UL grant，终端设备确定每次重复传输Msg3时所采用的RV，并采用确定出的RV进行各次重复传输。
对于终端设备确定RV的方式，本申请实施例至少提出以下三种实现方式：
第一种，在上述RAR中携带RV指示信息，终端设备根据该RV指示信息确定重复传输的Msg3所采用的RV。
第二种，网络设备发送配置信令，例如***消息；在该配置信令中携带RV指示信息；终端设备根据接收到的配置信令中的RV指示信息，确定重复传输的Msg3采用的RV。
第三种，终端设备接收网络设备用于调度RAR传输的DCI，该DCI中携带RV指示信息；终端设备根据该RV指示信息确定重复传输的Msg3所采用的RV。
第四种，终端设备根据该预先设置确定重复传输的Msg3采用的RV。
以下举具体的实施例详述上述方式。
实施例1：
在本实施例中，在四步随机接入过程中，在接收到终端设备的前导码之后，网络设备(如基站)向终端设备发送RAR，该RAR中携带重复传输Msg3的UL grant，该UL grant中包括RV指示域，在该RV指示域中携带RV指示信息。除了新增的RV指示域之外，包括RV指示域的UL grant中还可以包括以下至少一项：
跳频指示域；
物理上行共享信道PUSCH频域分配域；
PUSCH时域分配域；
调制与编码策略MCS域；
PUSCH的功率控制命令TPC域；
信道状态信息CSI请求域；
信道接入-循环前缀扩展域。
以下将UL grant中除RV指示域之外的其他域称为第一比特域。在一种实施方式中，第一比特域在包括RV指示域的UL grant中的长度和在不包括RV指示域的UL grant中的长度相同。
表1是包括RV指示域的UL grant一种示例，表1显示了包括RV指示域的UL grant中各个域携带的信息及长度。
表1
域 长度(单位：比特)
跳频标记(Frequency hopping flag) 1
PUSCH频域分配(PUSCH frequency resource allocation) 14
PUSCH时域分配(PUSCH time resource allocation) 4
MCS 4
PUSCH的TPC命令(TPC command for PUSCH) 3
CSI请求(CSI request) 1
RV指示域 2
表1对应没有共享频谱信道接入(without shared spectrum channel access)的情况。在表1中，新增的RV指示域长度为2比特，可以指示4种RV信息。如RV指示域取 值为00时表示RV0，取值为01时表示RV1，取值为10时表示RV2，取值为11时表示RV3。该长度仅为举例，本申请不排除其他长度。除了新增的RV指示域之外，其他域(即上述第一比特域)的长度与不包括RV指示域的UL grant中对应域的长度相同。可见，包括RV指示域的UL grant的长度比不包括RV指示域的UL grant长度大N比特，其中N为RV指示域的长度。
在另一些实施方式中，上述第一比特域在包括RV指示域的UL grant中的长度比在不包括RV指示域的UL grant中的长度小M比特；其中M为大于或等于N的整数，N为RV指示域的长度。
表2是包括RV指示域的UL grant另一种示例，表2显示了包括RV指示域的UL grant中各个域携带的信息及长度。
表2
域 长度(单位：比特)
跳频标记(Frequency hopping flag) 1
PUSCH频域分配(PUSCH frequency resource allocation) 12
RV指示域 2
PUSCH时域分配(PUSCH time resource allocation) 4
MCS 4
PUSCH的TPC命令(TPC command for PUSCH) 3
CSI请求(CSI request) 1
表2对应没有共享频谱信道接入(without shared spectrum channel access)的情况。在表2中，新增的RV指示域长度为2比特，可以指示4种RV信息。该长度仅为举例，本申请不排除其他长度。除了新增的RV指示域之外，PUSCH频域分配域的长度(12比特)比其在不包括RV指示域的UL grant中的长度(14比特)小2比特，相当于将原有的PUSCH频域分配域划分出2比特，用于携带RV指示信息。可见，这种示例中，包括RV指示域的UL grant的长度与不包括RV指示域的UL grant的长度相等，本实施例不改变原有UL grant的长度。
另外，本申请实施例还可以从PUSCH频域分配域中划分出长度大于RV指示域的比特位，其中一些用于承载RV指示信息，另一些用作携带其他信息。例如，从PUSCH频域分配域中划分出4比特，则PUSCH频域分配域的长度为10比特；划分出的4比特中，其中的2比特成为RV指示域，用于携带RV指示信息，另外2比特用于携带其他信息。
表3是包括RV指示域的UL grant另一种示例，表3显示了包括RV指示域的UL grant中各个域携带的信息及长度。
表3
域 长度(单位：比特)
跳频标记(Frequency hopping flag) 1
PUSCH频域分配(PUSCH frequency resource allocation) 10
RV指示域 2
PUSCH时域分配(PUSCH time resource allocation) 4
MCS 4
PUSCH的TPC命令(TPC command for PUSCH) 3
CSI请求(CSI request) 1
信道接入-循环前缀扩展(ChannelAccess-CPext) 2
表3对应有共享频谱信道接入(with shared spectrum channel access)的情况。在表 3中，新增的RV指示域长度为2比特，可以指示4种RV信息。该长度仅为举例，本申请不排除其他长度。除了新增的RV指示域之外，PUSCH时域分配域的长度(10比特)比其在不包括RV指示域的UL grant中的长度(12比特)小2比特，相当于将原有的PUSCH时域分配域划分出2比特，用于携带RV指示信息。可见，这种示例中，包括RV指示域的UL grant的长度与不包括RV指示域的UL grant的长度相等，本实施例不改变原有UL grant的长度。
除了上述列表的举例之外，本申请实施例还可以从其他至少一个第一比特域中划分一些比特，用于承载RV指示信息。例如，从PUSCH频域分配域中划分出1比特，并从CSI请求域中划分出1bit，将划分出的比特作为新的RV指示域，用于携带RV指示信息；新的RV指示域的长度为2比特，该RV指示域携带RV指示信息。本申请实施例方式对上述划分方式不做限定。包括RV指示域的UL grant的长度与不包括RV指示域的UL grant的长度相等，因此可以不改变现有UL grant的长度。
在上述示例中，UL grant携带的RV指示信息能够指示一种RV，而终端设备在进行Msg3重复传输时需要进行多次重复传输，这就存在如何确定每次重复传输采用的RV的问题。针对这一问题，在一些实施方式中，上述RV指示信息可以指示一次Msg3重复传输所采用的RV，例如，RV指示信息指示n mod 4＝0的Msg3重复传输采用的RV，其中，n为重复传输的序号。假设重复传输k次，则序号n的取值为[0,k-1]。终端设备根据该RV指示信息，可以确定第0次Msg3重复传输采用的RV，并且，终端设备根据该RV指示信息和预设的RV顺序，确定后续每次Msg3重复传输采用的RV。
例如，网络设备向终端设备发送RAR，该RAR中承载UL grant，该UL grant中携带RV指示信息，该RV指示信息指示n mod 4＝0的Msg3重复传输采用的RV为RV0，其中n为重复传输的序列号。
根据前述信息，终端设备确定第0次Msg3重复传输采用RV0。在预设的RV顺序为RV0-RV2-RV3-RV1….的情况下，终端设备确定第1次Msg3重复传输采用RV2、第2次Msg3重复传输采用RV3、第3次Msg3重复传输采用RV1，如此循环，确定出每次Msg3重复传输所采用的RV。图3A是在RAR中指示一次Msg3重复传输所采用的RV的示例图，如图3A所示，在用于调度重复传输Msg3的RAR中指示第0次重复传输采用的RV；终端设备根据该指示及预设的RV顺序，确定每次重复传输Msg3(图3A中为4次重复传输)采用的RV。
在上述示例中，RAR仅指示一个RV取值。在本申请其他实施方式中，RAR可以指示RV取值的组合，包括Msg3多次重复传输中至少两次重复传输采用的RV取值。图3B是在RAR中指示Msg3重复传输所采用的RV取值组合的示例图，如图3B所示，在用于调度重复传输Msg3的RAR中指示RV取值组合，如指示每次Msg3重复传输所采用的RV；终端设备该指示，确定每次重复传输Msg3(图3B中为4次重复传输)采用的RV。
在本申请其他实施方式中，RAR指示的RV取值组合可以包括部分Msg3重复传输所采用的RV。终端设备可以根据RAR中包含的RV指示信息及其他信息，确定每次Msg3重复传输所采用的RV。
例如，预先配置了Msg3重复传输的次数为4次，RAR指示2次Msg3重复传输所采用的RV为RV1和RV2。终端设备可以根据RAR中包含的RV指示信息，确定前两次Msg3重复传输所采用的RV分别为RV1和RV2；终端设备可以根据该RV指示信息及预设的RV顺序，如RV0-RV2-RV3-RV1….确定后两次Msg3重复传输所采用的RV分别为RV3(RV3是RV指示信息所指示的最后一个RV之后的RV)和RV1。或者，终端设备可以根据RAR中包含的RV指示信息，确定后两次Msg3重复传输所采用的 RV也分别为RV1和RV2。
或者，终端设备可以将4次Msg3重复传输分为2组，其中第0组包括第0次Msg3重复传输和第2次Msg3重复传输，第1组包括第1次Msg3重复传输和第3次Msg3重复传输；在RV指示信息包括RV1和RV2时，终端设备确定第0组Msg3重复传输采用RV1，第1组Msg3重复传输采用RV1。
上述几种指示及确定RV方式均为举例，本申请实施例对此不作限制。
本实施例在RAR中携带RV指示信息，能够像现有技术中的DCI指示PUSCH重复传输一样具有RV指示的灵活性，能够提高Msg3的传输性能。
实施例2：
在本实施例中，Msg3重复传输所采用的RV可以通过高层信令配置。如，网络设备向终端设备发送配置信令，该配置信令携带RV指示信息；终端设备接收该配置信令，根据该配置信令中的RV指示信息，确定重复传输的Msg3采用的RV。上述配置信令可以为无线资源控制(RRC，Radio Resource Control)消息或***消息，配置方式可以为半静态配置。具体的配置方式可以配置多个版本，例如，Msg3重复传输的次数为4时，配置4个RV信息。或者，配置一个RV信息(如重复传输的第一个Msg3的RV信息)；终端设备根据该配置确定第一个Msg3的RV信息，后续几次Msg3的重复传输所采用的RV根据预设规则确定。
实施例3：
在本实施例中，Msg3重复传输所采用的RV可以通过调度RAR传输的DCI指示。
例如，终端设备接收用于调度RAR传输的DCI，该DCI中包括RV指示域，该RV指示域携带RV指示信息；
终端设备根据该RV指示信息，确定重复传输Msg 3采用的RV。
在一种实施方式中，上述RV指示域是在DCI中增加的新的RV指示域，用于指示重复传输Msg 3采用的RV。
或者，由于DCI中本身存在RV指示域，该RV指示域携带PDSCH采用的RV信息，因此本申请可以复用DCI中已有的RV指示域，该RV指示域既可以指示PDSCH采用的RV信息，也可以指示重复传输Msg 3采用的RV。
在另一些实施方式中，Msg3重复传输所采用的RV可以是预先设置的；终端设备根据预先设置，确定重复传输的Msg3采用的RV。
图3C是高层信令配置、调度RAR传输的DCI指示或预先设置Msg3重复传输所采用的RV的示例图。如图3C所示，在接收到RAR信息之后，终端设备进行Msg3的重复传输，终端设备根据根据高层信令配置、调度RAR传输的DCI的指示或预先设置确定每次重复传输的Msg3采用的RV。后续当DCI调度Msg3重传时，在DCI中指示重传采用的RV。
配置信令中携带的RV指示信息、调度RAR传输的DCI指示的RV信息或预先设置的RV可以指示一个RV取值，或者指示2个以上RV的RV取值组合；根据该RV取值/RV取值组合及其他信息(如上述的RV顺序)，终端设备可以确定每次Msg3重复传输所采用的RV，具体确定方式与实施例一中的方式相同，在此不再赘述。
或者，配置信令中携带的RV指示信息、调度RAR传输的DCI指示的RV或预先设置RV信息可以指示每次Msg3重复传输所采用的RV，终端设备直接根据该RV信息确定RV取值。例如，预先配置了Msg3的重复传输为4次，配置信令中携带的RV指示信息或预先设置指示4个RV取值为“0231”，表示4次Msg3重复传输分别采用RV0、RV2、RV3、RV1；或者，指示4个RV取值为“0011”，表示4次Msg3重复传输分别采用RV0、RV0、RV1、RV1。终端设备根据该RV信息进行Msg3重复传输。 前述RV取值仅为举例，本申请实施例对此不做限制。
本实施例通过高层信令配置、调度RAR传输的DCI指示或预定义的方式指示Msg3重复传输的RV取值，能够避免对现有RAR内容的改动，并且不增加RAR的开销；同时，通过高层信令配置和通过调度RAR传输的DCI指示的方式也能够保证一定的RV指示的灵活性。
本申请实施例还提出一种传输方法，图4是根据本申请实施例的一种传输方法400的示意性流程图，该方法可选地可以应用于图1所示的***，但并不仅限于此。该方法包括以下内容的至少部分内容。包括：
S410：网络设备向终端设备发送RAR，该RAR中携带重复传输Msg3的UL grant；该RAR用于使终端设备确定重复传输Msg 3采用的RV，并采用该RV重复传输Msg3。
可选地，上述UL grant携带的RV指示信息，RV指示信息用于供终端设备确定重复传输Msg 3采用的RV。
可选地，上述UL grant包括RV指示域，该RV指示域携带RV指示信息。
可选地，上述UL grant还包括第一比特域，第一比特域包括以下至少一项：
跳频指示域；
物理上行共享信道PUSCH频域分配域；
PUSCH时域分配域；
调制与编码策略MCS域；
PUSCH的功率控制命令TPC域；
信道状态信息CSI请求域；
信道接入-循环前缀扩展域。
可选地，上述RV指示域的UL grant与不包括RV指示域的UL grant存在至少一个相同的第一比特域；并且，
第一比特域在包括RV指示域的UL grant中的长度和在不包括RV指示域的UL grant中的长度相同。
可选地，上述包括RV指示域的UL grant与不包括RV指示域的UL grant存在至少一个相同的第一比特域；并且，
第一比特域在包括RV指示域的UL grant中的长度比在不包括RV指示域的UL grant中的长度小M比特；M为大于或等于N的整数，N为RV指示域的长度。
可选地，上述方法还包括：
网络设备向终端设备发送配置信令，配置信令携带RV指示信息，RV指示信息用于供终端设备确定重复传输Msg 3采用的RV。
可选地，上述方法还包括：
网络设备向终端设备发送用于调度RAR传输的DCI，DCI中包括RV指示域，RV指示域携带RV指示信息；RV指示信息用于供终端设备确定重复传输Msg 3采用的RV。
可选地，上述RV指示域用于指示重复传输Msg 3采用的RV。
可选地，上述RV指示域用于指示PDSCH采用的RV信息。
可选地，上述RV指示信息指示至少一次Msg3重复传输所采用的RV。
可选地，上述RV指示信息指示n mod 4＝0的Msg3重复传输采用的RV，其中，n为重复传输的序号。
本申请实施例还提出一种终端设备，图5是根据本申请实施例的终端设备500结构示意图，包括：
接收模块510，用于接收随机接入响应RAR，RAR中携带重复传输随机接入过程的消息3Msg3的上行授权UL grant；
确定模块520，用于确定重复传输Msg 3采用的RV；
传输模块530，用于根据RAR，采用RV重复传输Msg3。
可选地，上述确定模块520用于：
获取UL grant携带的RV指示信息；
根据RV指示信息，确定重复传输Msg 3采用的RV。
可选地，上述UL grant包括RV指示域，RV指示域携带RV指示信息。
可选地，上述UL grant还包括第一比特域，第一比特域包括以下至少一项：
跳频指示域；
物理上行共享信道PUSCH频域分配域；
PUSCH时域分配域；
调制与编码策略MCS域；
PUSCH的功率控制命令TPC域；
信道状态信息CSI请求域；
信道接入-循环前缀扩展域。
可选地，上述包括RV指示域的UL grant与不包括RV指示域的UL grant存在至少一个相同的第一比特域；并且，
第一比特域在包括RV指示域的UL grant中的长度和在不包括RV指示域的UL grant中的长度相同。
可选地，上述包括RV指示域的UL grant与不包括RV指示域的UL grant存在至少一个相同的第一比特域；并且，
第一比特域在包括RV指示域的UL grant中的长度比在不包括RV指示域的UL grant中的长度小M比特；M为大于或等于N的整数，N为RV指示域的长度。
可选地，上述确定模块520用于：
接收配置信令，配置信令携带RV指示信息；
根据RV指示信息，确定重复传输Msg 3采用的RV。
可选地，上述确定模块520用于：
接收用于调度RAR传输的下行控制信息DCI，DCI中包括RV指示域，RV指示域携带RV指示信息；
根据RV指示信息，确定重复传输Msg 3采用的RV。
可选地，上述RV指示域用于指示重复传输Msg 3采用的RV。
可选地，上述RV指示域用于指示PDSCH采用的RV信息。
可选地，上述确定模块520用于：
根据预先设置，确定重复传输Msg 3采用的RV。
可选地，上述RV指示信息指示至少一次Msg3重复传输所采用的RV。
可选地，上述RV指示信息指示n mod 4＝0的Msg3重复传输采用的RV，其中，n为重复传输的序号。
应理解，根据本申请实施例的终端设备中的模块的上述及其他操作和/或功能分别为了实现图2的方法200中的终端设备的相应流程，为了简洁，在此不再赘述。
本申请实施例还提出一种网络设备，图6是根据本申请实施例的网络设备600结构示意图，包括：
第一发送模块610，用于发送RAR，RAR中携带重复传输Msg3的UL grant；RAR用于使终端设备确定重复传输Msg 3采用的RV，并采用RV重复传输Msg3。
可选地，上述UL grant携带的RV指示信息，RV指示信息用于供终端设备确定重复传输Msg 3采用的RV。
可选地，上述UL grant包括RV指示域，RV指示域携带RV指示信息。
可选地，上述UL grant还包括第一比特域，第一比特域包括以下至少一项：
跳频指示域；
物理上行共享信道PUSCH频域分配域；
PUSCH时域分配域；
调制与编码策略MCS域；
PUSCH的功率控制命令TPC域；
信道状态信息CSI请求域；
信道接入-循环前缀扩展域。
可选地，上述包括RV指示域的UL grant与不包括RV指示域的UL grant存在至少一个相同的第一比特域；并且，
第一比特域在包括RV指示域的UL grant中的长度和在不包括RV指示域的UL grant中的长度相同。
可选地，上述包括RV指示域的UL grant与不包括RV指示域的UL grant存在至少一个相同的第一比特域；并且，
第一比特域在包括RV指示域的UL grant中的长度比在不包括RV指示域的UL grant中的长度小M比特；M为大于或等于N的整数，N为RV指示域的长度。
可选地，上述网络设备还包括：
配置模块，用于向终端设备发送配置信令，配置信令携带RV指示信息，RV指示信息用于供终端设备确定重复传输Msg 3采用的RV。
可选地，上述网络设备还包括：
第二发送模块，用于网络设备向终端设备发送用于调度RAR传输的DCI，DCI中包括RV指示域，RV指示域携带RV指示信息；RV指示信息用于供终端设备确定重复传输Msg 3采用的RV。
可选地，上述RV指示域用于指示重复传输Msg 3采用的RV。
可选地，上述RV指示域用于指示PDSCH采用的RV信息。
可选地，上述RV指示信息指示至少一次Msg3重复传输所采用的RV。
可选地，上述RV指示信息指示n mod 4＝0的Msg3重复传输采用的RV，其中，n为重复传输的序号。
应理解，根据本申请实施例的网络设备中的模块的上述及其他操作和/或功能分别为了实现图4的方法400中的网络设备的相应流程，为了简洁，在此不再赘述。
需要说明，关于本申请实施例的终端设备500和网络设备600中的各个模块(子模块、单元或组件等)所描述的功能，可以由不同的模块(子模块、单元或组件等)实现，也可以由同一个模块(子模块、单元或组件等)实现，举例来说，第一发送模块与第二发送模块可以是不同的模块，也可以是同一个模块，均能够实现其在本申请实施例中的相应功能。此外，本申请实施例中的发送模块和接收模块，可通过设备的收发机实现，其余各模块中的部分或全部可通过设备的处理器实现。
图7是根据本申请实施例的通信设备700示意性结构图。图7所示的通信设备700包括处理器710，处理器710可以从存储器中调用并运行计算机程序，以实现本申请实施例中的方法。
可选地，如图7所示，通信设备700还可以包括存储器720。其中，处理器710可以从存储器720中调用并运行计算机程序，以实现本申请实施例中的方法。
其中，存储器720可以是独立于处理器710的一个单独的器件，也可以集成在处理器710中。
可选地，如图7所示，通信设备700还可以包括收发器730，处理器710可以控制该收发器730与其他设备进行通信，具体地，可以向其他设备发送信息或数据，或接收其他设备发送的信息或数据。
其中，收发器730可以包括发射机和接收机。收发器730还可以进一步包括天线，天线的数量可以为一个或多个。
可选地，该通信设备700可为本申请实施例的终端设备，并且该通信设备700可以实现本申请实施例的各个方法中由终端设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该通信设备700可为本申请实施例的网络设备，并且该通信设备700可以实现本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
图8是根据本申请实施例的芯片800的示意性结构图。图8所示的芯片800包括处理器810，处理器810可以从存储器中调用并运行计算机程序，以实现本申请实施例中的方法。
可选地，如图8所示，芯片800还可以包括存储器820。其中，处理器810可以从存储器820中调用并运行计算机程序，以实现本申请实施例中的方法。
其中，存储器820可以是独立于处理器810的一个单独的器件，也可以集成在处理器810中。
可选地，该芯片800还可以包括输入接口830。其中，处理器810可以控制该输入接口830与其他设备或芯片进行通信，具体地，可以获取其他设备或芯片发送的信息或数据。
可选地，该芯片800还可以包括输出接口840。其中，处理器810可以控制该输出接口840与其他设备或芯片进行通信，具体地，可以向其他设备或芯片输出信息或数据。
可选地，该芯片可应用于本申请实施例中的终端设备，并且该芯片可以实现本申请实施例的各个方法中由终端设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该芯片可应用于本申请实施例中的网络设备，并且该芯片可以实现本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
应理解，本申请实施例提到的芯片还可以称为***级芯片，***芯片，芯片***或片上***芯片等。
上述提及的处理器可以是通用处理器、数字信号处理器(digital signal processor，DSP)、现成可编程门阵列(field programmable gate array，FPGA)、专用集成电路(application specific integrated circuit，ASIC)或者其他可编程逻辑器件、晶体管逻辑器件、分立硬件组件等。其中，上述提到的通用处理器可以是微处理器或者也可以是任何常规的处理器等。
上述提及的存储器可以是易失性存储器或非易失性存储器，或可包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(read-only memory，ROM)、可编程只读存储器(programmable ROM，PROM)、可擦除可编程只读存储器(erasable PROM，EPROM)、电可擦除可编程只读存储器(electrically EPROM，EEPROM)或闪存。易失性存储器可以是随机存取存储器(random access memory，RAM)。
应理解，上述存储器为示例性但不是限制性说明，例如，本申请实施例中的存储器还可以是静态随机存取存储器(static RAM，SRAM)、动态随机存取存储器(dynamic RAM，DRAM)、同步动态随机存取存储器(synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM，DDR SDRAM)、增强型同步动 态随机存取存储器(enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(synch link DRAM，SLDRAM)以及直接内存总线随机存取存储器(Direct Rambus RAM，DR RAM)等等。也就是说，本申请实施例中的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
图9是根据本申请实施例的通信***900的示意性框图，该通信***900包括终端设备500和网络设备600。
其中，该终端设备500可以用于实现本申请各个实施例的方法中由终端设备实现的相应的功能，以及该网络设备600可以用于实现本申请各个实施例的方法中由网络设备实现的相应的功能。为了简洁，在此不再赘述。
在上述实施例中，可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时，可以全部或部分地以计算机程序产品的形式实现。该计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行该计算机程序指令时，全部或部分地产生按照本申请实施例所述的流程或功能。该计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。该计算机指令可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传输，例如，该计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(Digital Subscriber Line，DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。该计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。该可用介质可以是磁性介质，(例如，软盘、硬盘、磁带)、光介质(例如，DVD)、或者半导体介质(例如固态硬盘(Solid State Disk，SSD))等。
应理解，在本申请的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请实施例的实施过程构成任何限定。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的***、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
以上所述仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以该权利要求的保护范围为准。

Claims (61)

  1. 一种传输方法，包括：
    终端设备接收随机接入响应RAR，所述RAR中携带重复传输随机接入过程的消息3 Msg3的上行授权UL grant；
    所述终端设备确定重复传输所述Msg 3采用的RV；
    所述终端设备根据所述RAR，采用所述RV重复传输所述Msg3。
  2. 根据权利要求1所述的方法，所述终端设备确定重复传输所述Msg 3采用的RV，包括：
    所述终端设备获取所述UL grant携带的RV指示信息；
    所述终端设备根据所述RV指示信息，确定重复传输所述Msg 3采用的RV。
  3. 根据权利要求2所述的方法，所述UL grant包括RV指示域，所述RV指示域携带所述RV指示信息。
  4. 根据权利要求3所述的方法，所述UL grant还包括第一比特域，所述第一比特域包括以下至少一项：
    跳频指示域；
    物理上行共享信道PUSCH频域分配域；
    PUSCH时域分配域；
    调制与编码策略MCS域；
    PUSCH的功率控制命令TPC域；
    信道状态信息CSI请求域；
    信道接入-循环前缀扩展域。
  5. 根据权利要求4所述的方法，包括RV指示域的UL grant与不包括RV指示域的UL grant存在至少一个相同的所述第一比特域；并且，
    所述第一比特域在所述包括RV指示域的UL grant中的长度和在所述不包括RV指示域的UL grant中的长度相同。
  6. 根据权利要求4所述的方法，包括RV指示域的UL grant与不包括RV指示域的UL grant存在至少一个相同的所述第一比特域；并且，
    所述第一比特域在所述包括RV指示域的UL grant中的长度比在所述不包括RV指示域的UL grant中的长度小M比特；所述M为大于或等于N的整数，所述N为所述RV指示域的长度。
  7. 根据权利要求1所述的方法，所述终端设备确定重复传输所述Msg 3采用的RV，包括：
    终端设备接收配置信令，所述配置信令携带RV指示信息；
    所述终端设备根据所述RV指示信息，确定重复传输所述Msg 3采用的RV。
  8. 根据权利要求1所述的方法，所述终端设备确定重复传输所述Msg 3采用的RV，包括：
    终端设备接收用于调度所述RAR传输的下行控制信息DCI，所述DCI中包括RV指示域，所述RV指示域携带RV指示信息；
    所述终端设备根据所述RV指示信息，确定重复传输所述Msg 3采用的RV。
  9. 根据权利要求8所述的方法，所述RV指示域用于指示重复传输Msg 3采用的RV。
  10. 根据权利要求8所述的方法，所述RV指示域用于指示PDSCH采用的RV信息。
  11. 根据权利要求1所述的方法，所述终端设备确定重复传输所述Msg 3采用的RV， 包括：
    终端设备根据预先设置，确定重复传输所述Msg 3采用的RV。
  12. 根据权利要求2至10任一所述的方法，所述RV指示信息指示至少一次Msg3重复传输所采用的RV。
  13. 根据权利要求2至10任一所述的方法，所述RV指示信息指示n mod 4＝0的Msg3重复传输采用的RV，其中，所述n为重复传输的序号。
  14. 一种传输方法，包括：
    网络设备向终端设备发送RAR，所述RAR中携带重复传输Msg3的UL grant；所述RAR用于使所述终端设备确定重复传输所述Msg 3采用的RV，并采用所述RV重复传输所述Msg3。
  15. 根据权利要求14所述的方法，所述UL grant携带的RV指示信息，所述RV指示信息用于供所述终端设备确定重复传输所述Msg 3采用的RV。
  16. 根据权利要求15所述的方法，所述UL grant包括RV指示域，所述RV指示域携带所述RV指示信息。
  17. 根据权利要求16所述的方法，所述UL grant还包括第一比特域，所述第一比特域包括以下至少一项：
    跳频指示域；
    物理上行共享信道PUSCH频域分配域；
    PUSCH时域分配域；
    调制与编码策略MCS域；
    PUSCH的功率控制命令TPC域；
    信道状态信息CSI请求域；
    信道接入-循环前缀扩展域。
  18. 根据权利要求17所述的方法，包括RV指示域的UL grant与不包括RV指示域的UL grant存在至少一个相同的所述第一比特域；并且，
    所述第一比特域在所述包括RV指示域的UL grant中的长度和在所述不包括RV指示域的UL grant中的长度相同。
  19. 根据权利要求17所述的方法，包括RV指示域的UL grant与不包括RV指示域的UL grant存在至少一个相同的所述第一比特域；并且，
    所述第一比特域在所述包括RV指示域的UL grant中的长度比在所述不包括RV指示域的UL grant中的长度小M比特；所述M为大于或等于N的整数，所述N为所述RV指示域的长度。
  20. 根据权利要求14所述的方法，还包括：
    网络设备向终端设备发送配置信令，所述配置信令携带RV指示信息，所述RV指示信息用于供所述终端设备确定重复传输所述Msg 3采用的RV。
  21. 根据权利要求14所述的方法，还包括：
    网络设备向终端设备发送用于调度所述RAR传输的DCI，所述DCI中包括RV指示域，所述RV指示域携带RV指示信息；所述RV指示信息用于供所述终端设备确定重复传输所述Msg 3采用的RV。
  22. 根据权利要求21所述的方法，所述RV指示域用于指示重复传输Msg 3采用的RV。
  23. 根据权利要求21所述的方法，所述RV指示域用于指示PDSCH采用的RV信息。
  24. 根据权利要求14至23任一所述的方法，所述RV指示信息指示至少一次Msg3 重复传输所采用的RV。
  25. 根据权利要求14至23任一所述的方法，所述RV指示信息指示n mod 4＝0的Msg3重复传输采用的RV，其中，所述n为重复传输的序号。
  26. 一种终端设备，包括：
    接收模块，用于接收随机接入响应RAR，所述RAR中携带重复传输随机接入过程的消息3Msg3的上行授权UL grant；
    确定模块，用于确定重复传输所述Msg 3采用的RV；
    传输模块，用于根据所述RAR，采用所述RV重复传输所述Msg3。
  27. 根据权利要求26所述的终端设备，所述确定模块用于：
    获取所述UL grant携带的RV指示信息；
    根据所述RV指示信息，确定重复传输所述Msg 3采用的RV。
  28. 根据权利要求27所述的终端设备，所述UL grant包括RV指示域，所述RV指示域携带所述RV指示信息。
  29. 根据权利要求28所述的终端设备，所述UL grant还包括第一比特域，所述第一比特域包括以下至少一项：
    跳频指示域；
    物理上行共享信道PUSCH频域分配域；
    PUSCH时域分配域；
    调制与编码策略MCS域；
    PUSCH的功率控制命令TPC域；
    信道状态信息CSI请求域；
    信道接入-循环前缀扩展域。
  30. 根据权利要求29所述的终端设备，包括RV指示域的UL grant与不包括RV指示域的UL grant存在至少一个相同的所述第一比特域；并且，
    所述第一比特域在所述包括RV指示域的UL grant中的长度和在所述不包括RV指示域的UL grant中的长度相同。
  31. 根据权利要求29所述的终端设备，包括RV指示域的UL grant与不包括RV指示域的UL grant存在至少一个相同的所述第一比特域；并且，
    所述第一比特域在所述包括RV指示域的UL grant中的长度比在所述不包括RV指示域的UL grant中的长度小M比特；所述M为大于或等于N的整数，所述N为所述RV指示域的长度。
  32. 根据权利要求26所述的终端设备，所述确定模块用于：
    接收配置信令，所述配置信令携带RV指示信息；
    根据所述RV指示信息，确定重复传输所述Msg 3采用的RV。
  33. 根据权利要求26所述的终端设备，所述确定模块用于：
    接收用于调度所述RAR传输的下行控制信息DCI，所述DCI中包括RV指示域，所述RV指示域携带RV指示信息；
    根据所述RV指示信息，确定重复传输所述Msg 3采用的RV。
  34. 根据权利要求33所述的终端设备，所述RV指示域用于指示重复传输Msg 3采用的RV。
  35. 根据权利要求33所述的终端设备，所述RV指示域用于指示PDSCH采用的RV信息。
  36. 根据权利要求26所述的终端设备，所述确定模块用于：
    根据预先设置，确定重复传输所述Msg 3采用的RV。
  37. 根据权利要求27至35任一所述的终端设备，所述RV指示信息指示至少一次Msg3重复传输所采用的RV。
  38. 根据权利要求27至35任一所述的终端设备，所述RV指示信息指示n mod 4＝0的Msg3重复传输采用的RV，其中，所述n为重复传输的序号。
  39. 一种网络设备，包括：
    第一发送模块，用于发送RAR，所述RAR中携带重复传输Msg3的UL grant；所述RAR用于使所述终端设备确定重复传输所述Msg 3采用的RV，并采用所述RV重复传输所述Msg3。
  40. 根据权利要求39所述的网络设备，所述UL grant携带的RV指示信息，所述RV指示信息用于供所述终端设备确定重复传输所述Msg 3采用的RV。
  41. 根据权利要求40所述的网络设备，所述UL grant包括RV指示域，所述RV指示域携带所述RV指示信息。
  42. 根据权利要求41所述的网络设备，所述UL grant还包括第一比特域，所述第一比特域包括以下至少一项：
    跳频指示域；
    物理上行共享信道PUSCH频域分配域；
    PUSCH时域分配域；
    调制与编码策略MCS域；
    PUSCH的功率控制命令TPC域；
    信道状态信息CSI请求域；
    信道接入-循环前缀扩展域。
  43. 根据权利要求42所述的网络设备，包括RV指示域的UL grant与不包括RV指示域的UL grant存在至少一个相同的所述第一比特域；并且，
    所述第一比特域在所述包括RV指示域的UL grant中的长度和在所述不包括RV指示域的UL grant中的长度相同。
  44. 根据权利要求42所述的网络设备，包括RV指示域的UL grant与不包括RV指示域的UL grant存在至少一个相同的所述第一比特域；并且，
    所述第一比特域在所述包括RV指示域的UL grant中的长度比在所述不包括RV指示域的UL grant中的长度小M比特；所述M为大于或等于N的整数，所述N为所述RV指示域的长度。
  45. 根据权利要求39所述的网络设备，还包括：
    配置模块，用于向终端设备发送配置信令，所述配置信令携带RV指示信息，所述RV指示信息用于供所述终端设备确定重复传输所述Msg 3采用的RV。
  46. 根据权利要求39所述的网络设备，还包括：
    第二发送模块，用于网络设备向终端设备发送用于调度所述RAR传输的DCI，所述DCI中包括RV指示域，所述RV指示域携带RV指示信息；所述RV指示信息用于供所述终端设备确定重复传输所述Msg 3采用的RV。
  47. 根据权利要求46所述的网络设备，所述RV指示域用于指示重复传输Msg 3采用的RV。
  48. 根据权利要求46所述的网络设备，所述RV指示域用于指示PDSCH采用的RV信息。
  49. 根据权利要求39至48任一所述的网络设备，所述RV指示信息指示至少一次Msg3重复传输所采用的RV。
  50. 根据权利要求39至48任一所述的网络设备，所述RV指示信息指示n mod 4＝0 的Msg3重复传输采用的RV，其中，所述n为重复传输的序号。
  51. 一种终端设备，包括：处理器、存储器和收发器，该存储器用于存储计算机程序，所述处理器用于调用并运行所述存储器中存储的计算机程序，并控制所述收发器，执行如权利要求1至13中任一项所述的方法。
  52. 一种网络设备，包括：处理器、存储器和收发器，该存储器用于存储计算机程序，所述处理器用于调用并运行所述存储器中存储的计算机程序，并控制所述收发器，执行如权利要求14至25中任一项所述的方法。
  53. 一种芯片，包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有所述芯片的设备执行如权利要求1至13中任一项所述的方法。
  54. 一种芯片，包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有所述芯片的设备执行如权利要求14至25中任一项所述的方法。
  55. 一种计算机可读存储介质，用于存储计算机程序，所述计算机程序使得计算机执行如权利要求1至13中任一项所述的方法。
  56. 一种计算机可读存储介质，用于存储计算机程序，所述计算机程序使得计算机执行如权利要求14至25中任一项所述的方法。
  57. 一种计算机程序产品，包括计算机程序指令，所述计算机程序指令使得计算机执行如权利要求1至13中任一项所述的方法。
  58. 一种计算机程序产品，包括计算机程序指令，所述计算机程序指令使得计算机执行如权利要求14至25中任一项所述的方法。
  59. 一种计算机程序，所述计算机程序使得计算机执行如权利要求1至13中任一项所述的方法。
  60. 一种计算机程序，所述计算机程序使得计算机执行如权利要求14至25中任一项所述的方法。
  61. 一种通信***，包括：
    终端设备，用于执行如权利要求1至13中任一项所述的方法；
    通信设备，用于执行如权利要求14至25中任一项所述的方法。
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