WO2024031587A1 - 通信方法、终端设备和网络设备 - Google Patents

通信方法、终端设备和网络设备 Download PDF

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Publication number
WO2024031587A1
WO2024031587A1 PCT/CN2022/111932 CN2022111932W WO2024031587A1 WO 2024031587 A1 WO2024031587 A1 WO 2024031587A1 CN 2022111932 W CN2022111932 W CN 2022111932W WO 2024031587 A1 WO2024031587 A1 WO 2024031587A1
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Prior art keywords
prach
value
downlink signals
terminal device
parameter
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PCT/CN2022/111932
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English (en)
French (fr)
Inventor
崔胜江
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Oppo广东移动通信有限公司
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Priority to PCT/CN2022/111932 priority Critical patent/WO2024031587A1/zh
Publication of WO2024031587A1 publication Critical patent/WO2024031587A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA

Definitions

  • the present application relates to the field of communication, and more specifically, to a communication method, terminal equipment and network equipment.
  • PUSCH Physical Uplink Shared CHannel
  • PUCCH Physical Uplink Control Channel
  • Msg3 Message 3
  • Embodiments of the present application provide a communication method, terminal equipment, and network equipment.
  • the embodiment of the present application provides a communication method, including:
  • the terminal device determines whether to perform repeated transmission of the physical random access channel PRACH based on the first information; wherein the first information is obtained by processing by the terminal device.
  • the embodiment of the present application provides a communication method, including:
  • the network device receives the physical random access channel PRACH; wherein whether the PRACH is a repeated transmission is determined by the terminal device based on first information, and the first information is obtained by processing by the terminal device.
  • An embodiment of the present application provides a terminal device, including:
  • the first processing unit is configured to determine whether to perform repeated transmission of the physical random access channel PRACH based on first information; wherein the first information is obtained by processing by the terminal device.
  • This embodiment of the present application provides a network device, including:
  • the second communication unit is configured to receive the physical random access channel PRACH; wherein whether the PRACH is a repeated transmission is determined by the terminal device based on first information, and the first information is obtained by processing by the terminal device.
  • An embodiment of the present application provides a terminal device, including a processor and a memory.
  • the memory is used to store computer programs, and the processor is used to call and run the computer program stored in the memory, so that the terminal device performs the above communication method.
  • An embodiment of the present application provides a network device, including a processor and a memory.
  • the memory is used to store computer programs
  • the processor is used to call and run the computer programs stored in the memory, so that the network device performs the above communication method.
  • An embodiment of the present application provides a network device, including a processor and a memory.
  • the memory is used to store computer programs
  • the processor is used to call and run the computer programs stored in the memory, so that the network device performs the above communication method.
  • An embodiment of the present application provides a chip for implementing the above communication method.
  • the chip includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the chip executes the above-mentioned communication method.
  • Embodiments of the present application provide a computer-readable storage medium for storing a computer program.
  • the computer program When the computer program is run by a device, it causes the device to perform the above communication method.
  • An embodiment of the present application provides a computer program product, which includes computer program instructions, and the computer program instructions cause the computer to execute the above communication method.
  • An embodiment of the present application provides a computer program that, when run on a computer, causes the computer to perform the above communication method.
  • An embodiment of the present application provides a communication system, including: a terminal device for performing the above communication method; and a network device for performing the above communication method.
  • the terminal device can determine whether to perform repeated transmission of the PRACH based on the results obtained by its own processing. In this way, the terminal equipment can add the function of enabling repeated transmission of PRACH, and then perform repeated transmission of PRACH when needed. In the case of repeated transmission of PRACH, the coverage of PRACH can be enhanced, thereby improving the transmission performance of PRACH.
  • Figure 1 is a schematic diagram of an application scenario according to an embodiment of the present application.
  • Figure 2 is a schematic diagram of a time domain configuration of PRACH resources.
  • Figure 3 is a schematic diagram of resource configuration in the PRACH frequency domain.
  • Figure 4 is a schematic diagram of the mapping relationship between SSB and RO.
  • Figure 5 is a schematic flow chart of a communication method according to an embodiment of the present application.
  • Figure 6 is a schematic flow chart of a communication method according to another embodiment of the present application.
  • Figure 7 is a schematic diagram of the composition of DCI format 1_0 according to an embodiment of the present application.
  • Figures 8 to 15 are diagrams illustrating various examples of composition patterns of multiple target transmission resources according to embodiments of the present application.
  • Figure 16 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • Figure 17 is a schematic block diagram of a terminal device according to another embodiment of the present application.
  • Figure 18 is a schematic block diagram of a network device according to an embodiment of the present application.
  • Figure 19 is a schematic block diagram of a communication device according to an embodiment of the present application.
  • Figure 20 is a schematic block diagram of a chip according to an embodiment of the present application.
  • Figure 21 is a schematic block diagram of a communication system according to an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA broadband code division multiple access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Advanced long term evolution
  • NR New Radio
  • NTN Non-Terrestrial Networks
  • UMTS Universal Mobile Telecommunication System
  • WLAN Wireless Local Area Networks
  • WiFi wireless fidelity
  • 5G fifth-generation communication
  • the embodiments of the present application can also be applied to these communication systems.
  • the communication system in the embodiment of the present application can be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, a dual connectivity (Dual Connectivity, DC) scenario, or a standalone (Standalone, SA)Network scene.
  • Carrier Aggregation, CA Carrier Aggregation, CA
  • DC Dual Connectivity
  • SA Standalone
  • the communication system in the embodiment of the present application can be applied to unlicensed spectrum, where the unlicensed spectrum can also be considered as shared spectrum; or, the communication system in the embodiment of the present application can also be applied to licensed spectrum , among which, licensed spectrum can also be considered as non-shared spectrum.
  • the embodiments of this application describe various embodiments in combination with network equipment and terminal equipment.
  • the terminal equipment may also be called user equipment (User Equipment, UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication equipment, user agent or user device, etc.
  • the terminal device can be a station (ST) in the WLAN, a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, or a personal digital processing unit.
  • ST station
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the terminal device can be deployed on land, including indoor or outdoor, handheld, wearable or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as aircraft, balloons and satellites). superior).
  • the terminal device may be a mobile phone (Mobile Phone), a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (Virtual Reality, VR) terminal device, or an augmented reality (Augmented Reality, AR) terminal.
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices. It is a general term for applying wearable technology to intelligently design daily wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes, etc.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable devices are not just hardware devices, but also achieve powerful functions through software support, data interaction, and cloud interaction.
  • wearable smart devices include full-featured, large-sized devices that can achieve complete or partial functions without relying on smartphones, such as smart watches or smart glasses, and those that only focus on a certain type of application function and need to cooperate with other devices such as smartphones.
  • the network device may be a device used to communicate with mobile devices.
  • the network device may be an access point (Access Point, AP) in WLAN, or a base station (Base Transceiver Station, BTS) in GSM or CDMA.
  • BTS Base Transceiver Station
  • it can be a base station (NodeB, NB) in WCDMA, or an evolutionary base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or a vehicle-mounted device, a wearable device, and an NR network network equipment (gNB) or network equipment in the future evolved PLMN network or network equipment in the NTN network, etc.
  • AP Access Point
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • Evolutional Node B, eNB or eNodeB evolution base station
  • gNB NR network network equipment
  • the network device may have mobile characteristics, for example, the network device may be a mobile device.
  • the network device can be a satellite or balloon station.
  • the satellite can be a low earth orbit (LEO) satellite, a medium earth orbit (MEO) satellite, a geosynchronous orbit (geostationary earth orbit, GEO) satellite, a high elliptical orbit (High Elliptical Orbit, HEO) satellite ) satellite, etc.
  • the network device may also be a base station installed on land, water, etc.
  • network equipment can provide services for a cell, and terminal equipment communicates with the network equipment through transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell.
  • the cell can be a network equipment ( For example, 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).
  • the small cell here can include: urban cell (Metro cell), micro cell (Micro cell), pico cell ( Pico cell), femto cell (Femto cell), etc. These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-rate data transmission services.
  • FIG. 1 illustrates a communication system 100.
  • the communication system includes a network device 110 and two terminal devices 120.
  • the communication system 100 may include multiple network devices 110, and the coverage of each network device 110 may include other numbers of terminal devices 120, which is not limited in this embodiment of the present application.
  • the communication system 100 may also include other network entities such as Mobility Management Entity (MME), Access and Mobility Management Function (AMF), etc.
  • MME Mobility Management Entity
  • AMF Access and Mobility Management Function
  • This application implements This example does not limit this.
  • network equipment may include access network equipment and core network equipment. That is, the wireless communication system also includes multiple core networks used to communicate with access network equipment.
  • the access network equipment can be a long-term evolution (long-term evolution, LTE) system, a next-generation (mobile communication system) (next radio, NR) system or authorized auxiliary access long-term evolution (LAA- Evolutionary base station (evolutional node B, abbreviated as eNB or e-NodeB) macro base station, micro base station (also known as "small base station"), pico base station, access point (access point, AP), Transmission point (TP) or new generation base station (new generation Node B, gNodeB), etc.
  • LTE long-term evolution
  • NR next-generation
  • LAA- Evolutionary base station evolutional node B, abbreviated as eNB or e-NodeB
  • eNB next-generation
  • NR next-generation
  • LAA- Evolutionary base station evolutional node B, abbreviated as eNB or e-NodeB
  • the communication equipment may include network equipment and terminal equipment with communication functions.
  • the network equipment and terminal equipment may be specific equipment in the embodiments of the present application, which will not be described again here; the communication equipment also It may include other devices in the communication system, such as network controllers, mobility management entities and other network entities, which are not limited in the embodiments of this application.
  • system and “network” are often used interchangeably herein.
  • the term "and/or" in this article is just an association relationship that describes related objects, indicating that three relationships can exist. For example, A and/or B can mean: A exists alone, A and B exist simultaneously, and they exist alone. B these three situations.
  • the character "/" in this article generally indicates that the related objects are an "or” relationship.
  • the "instruction” mentioned in the embodiments of this application may be a direct instruction, an indirect instruction, or an association relationship.
  • A indicates B, which can mean that A directly indicates B, for example, B can be obtained through A; it can also mean that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it can also mean that there is an association between A and B. relation.
  • the term “correspondence” can mean that there is a direct correspondence or indirect correspondence between the two, it can also mean that there is an associated relationship between the two, or it can mean indicating and being instructed, configuration and being. Configuration and other relationships.
  • PRACH Physical Random Access CHannel
  • NR supports 4 long sequence preamble formats (both lengths are 839), of which format 0 , 1 follows the LTE format, format 0 is used for typical macro cell coverage, format 1 is used for ultra-large cell coverage, format 2 uses more sequence repetitions for coverage enhancement, and format 3 is used in high-speed mobile scenarios, such as high-speed rail.
  • NR also supports three series of short preamble formats: A, B, and C, which are suitable for different application scenarios.
  • the period of PRACH resources affects the random access delay.
  • a shorter PRACH period can shorten the random access delay; conversely, a longer PRACH period can shorten the random access delay.
  • the period causes the random access delay to increase.
  • the period of PRACH resources also affects the resource overhead occupied by PRACH.
  • a distinctive feature of NR is that it needs to support beam scanning. In order to support random access requests from UEs distributed in various beams, the system needs to configure corresponding PRACH resources for each beam direction. Therefore, the NR standard supports the PRACH cycle of ⁇ 10, 20, 40, 80, 160 ⁇ ms.
  • Network equipment can weigh various factors such as delay and system overhead to set an appropriate PRACH cycle.
  • the PRACH resource configuration information indicates the subframe number of one or more subframes where the PRACH resource is located; for FR2, in order to facilitate resource indication, the 60KHz subcarrier interval is used as a reference slot to indicate one or more subframes where the PRACH resource is located. The time slot number of the reference time slot.
  • One subframe in FR1 corresponds to a 15KHz PRACH time slot, or two 30KHz PRACH time slots (as shown in Figure 2, one subframe corresponds to two PRACH time slots); in FR2, a reference time slot refers to 60KHz. Corresponds to one 60KHz PRACH time slot, or two 120KHz PRACH time slots (as shown in Figure 2, one time slot corresponds to two PRACH time slots).
  • the network can configure one or more RO (PRACH Occasion, PRACH opportunity).
  • the so-called PRACH Occasion is the time-frequency resource that carries Preamble transmission.
  • the network can be configured within a PRACH time slot.
  • the starting symbol of the time domain resource occupied by the first PRACH occasion will be used when the next PRACH time slot is used.
  • the resources required for the corresponding downlink control information transmission can be reserved by configuring the appropriate starting symbol.
  • NR supports configuring 1, 2, 4 or 8 FDM (Frequency-division multiplexing, frequency division multiplexing) PRACH resources to expand PRACH capacity.
  • FDM Frequency-division multiplexing, frequency division multiplexing
  • PRACH resources are continuously distributed in the frequency domain.
  • the number of FDMs is equal to 4, that is, 4 PRACH resources are configured in the frequency domain.
  • the network notifies the offset of the starting PRB of the first RO resource in the frequency domain relative to the starting physical resource block (PRB) of the BWP (Bandwidth Part) (ie, BWP PRB 0 shown in Figure 3). shift.
  • Layer 1 Before the physical layer random access process starts: Layer 1 will receive an SS/PBCH (Synchronization Signal and Physical Broadcast Channel) block index from the higher layer. Collection and provide a corresponding RSRP (Reference Signal Receiving Power, reference signal receiving power) measurement result to the upper layer; Layer 1 can receive from the upper layer to perform Type-1 (Type-1) random access or Type-2 (Type-2 ) Random access indication; Layer 1 receives the following information from the higher layer: (1) Configuration of PRACH transmission parameters, including PRACH preamble format, PRACH transmission time domain resources and frequency domain resources, etc.; (2) PRACH preamble The sequence determines the parameters of the root sequence and cyclic shift, such as the index of the logical root sequence list, cyclic shift (Ncs), set type (unrestricted, restricted set A, or restricted set B), etc.; when receiving a high-level or When the PRACH requested by the PDCCH command is transmitted, the random access process begins.
  • SS/PBCH Synchrom Generation
  • RSRP Reference Signal
  • PDCCH command trigger gNB tells the UE that it needs to re-initiate the random access process through a special DCI (Downlink Control Information) format 1_0; MAC (Media Access Control) , Media Access Control) layer trigger: UE selects preamble to initiate the random access process; RRC (Radio Resource Control, Radio Resource Control) layer trigger: such as initial access, reconstruction, handover, RRC_INACTIVE (inactive) to RRC_CONNECTED (connected) ) state, request other SI (System Information, system message), RRC request during synchronous reconfiguration, etc.
  • DCI Downlink Control Information
  • MAC Media Access Control
  • RRC Radio Resource Control
  • Radio Resource Control Radio Resource Control
  • SSB Synchronization Signal Block
  • PRACH Occasion Before the UE initiates access at any time, the UE will measure and evaluate the signal quality of the cell and the signal strength of each SSB in the cell. When initiating PRACH, the UE sends preamble on the PRACH occasion corresponding to the SSB with the strongest or stronger signal. If the network successfully receives the preamble, it will learn the downlink beam information of the UE based on the PRACH occasion where the preamble is located, and then use the beam information for subsequent communications, such as msg2, msg4, etc.
  • the mapping of SSB and RO adopts frequency domain priority design, as follows: within each PRACH occasion, according to the increasing order of the preamble index; according to the increasing order of the FDM PRACH occasion number; within a PRACH slot, according to the time division multiplexing order The increasing order of the PRACH occurrence numbers used; according to the increasing order of the PRACH slot. For scenarios where the base station can only receive a single beam, multiple PRACH occasions of frequency division multiplexing can be configured to correspond to the same SSB.
  • Figure 4 shows the mapping relationship between SSB and RO at different SSB_per_RO (1/4, 1/2, 1, 2, 8). As shown in part 401 in Figure 4, it is assumed that all SSBs of the system have a total of 8 SSBs.
  • time domain RO is frequency division multiplexed into 4 frequency domain ROs
  • one SSB is mapped to the same time domain RO.
  • Four frequency domain ROs in one time domain such as part 401 in Figure 4
  • SSB1 maps to the four frequency domain ROs in the first time domain
  • SSB2 maps to the four frequency domain ROs in the second time domain, etc. Wait, I won’t go into details one by one. Assume that all SSBs in the system have a total of 8 SSBs.
  • SSB1 is mapped to two frequency domain ROs in the first time domain.
  • SSB2 is mapped to the two frequency domain ROs in the first time domain, and SSB2 is located after SSB1, so we will not go into details one by one. Assume that all SSBs in the system have a total of 8 SSBs.
  • SSB1 is mapped to the first frequency domain RO in the first time domain
  • SSB2 is mapped to to the second frequency domain RO of the first time domain
  • SSB2 is located after SSB1, so we will not go into details one by one.
  • PRACH mask index (mask index) is used to determine the PRACH resource location based on the non-contention-based random access process.
  • PRACH mask index configuration methods There are four non-contention based PRACH mask index configuration methods: 1) indicated by the parameter PRACH-ConfigDedicated (dedicated configuration) -> ra-ssb-OccasionmaskIndex in message 4; 2) indicated by the parameter BeamFailureRecoveryConfig (beam failure recovery configuration) in message 4 ->ra-ssb-OccassionMakIndex indication; 3) Indicated by SI-SchedulingInfo (scheduling information)->SI-RequestResources (request resources)->ra-ssb-OccassionMakIndex in SIB1 (System Information Block1); 4 ) is indicated by PDCCH order through PRACH mask index in DCI format 1_0.
  • NR Coverage is one of the key factors that operators consider when commercializing cellular communication networks, as it directly affects service quality as well as capital expenditure and operating costs. In most scenarios of actual deployment, UL performance may be the bottleneck, while in some vertical use cases, UL traffic is large, such as video uploading. In the Rel-17 research project 900061 "NR Coverage Enhancement”, some bottleneck channels identified in the "860036" research project “NR Coverage Enhancement Research”, especially the NR coverage of PUSCH, PUCCH and Msg3, were expanded. However, due to the limited range of Rel-17WID, not all needs for coverage enhancement were met. PRACH transmission is very important in many processes, such as initial access and beam failure recovery. Therefore, how to improve the coverage performance of PRACH has become a problem that needs to be solved.
  • Figure 5 is a schematic flow chart of a communication method 500 according to an embodiment of the present application. The method includes at least some of the following:
  • the terminal device determines whether to perform repeated transmission of the physical random access channel PRACH based on the first information; wherein the first information is obtained by processing by the terminal device.
  • Figure 6 is a schematic flowchart of a communication method 600 according to an embodiment of the present application. The method includes at least some of the following:
  • the network device receives the physical random access channel PRACH; whether the PRACH is a repeated transmission is determined by the terminal device based on the first information, and the first information is processed by the terminal device.
  • the network device may be an access network device, for example, it may be a gNB, an eNB, a base station, etc., which are not exhaustive.
  • the terminal device determines whether to perform repeated transmission of the PRACH based on the first information, which may include: the terminal device determines to perform repeated transmission of the PRACH when the first information satisfies the first condition. In addition, it may also include: when the first information does not satisfy the first condition, the terminal device determines not to perform repeated transmission of the PRACH.
  • the terminal device determines whether to perform repeated transmission of the PRACH only based on whether the first information satisfies the first condition.
  • the terminal equipment processing refers to the last time the terminal equipment transmitted PRACH; accordingly, the first information includes: the transmission result of the last PRACH transmission; determining whether the first information satisfies the first condition may include: The terminal device determines that the first condition is met when the transmission result of the last PRACH transmission is a transmission failure.
  • transmitting PRACH may refer to the transmission of the preamble (Preamble) on the PRACH; the preamble may be the preamble in msg (message) 1 of 4-step random access, or it may be the preamble of 2-step random access. Preamble in msgA. That is to say, the embodiment of the present application can be applied to the 4-step random access process or the 2-step random access.
  • the terminal device may include one of the following: when the terminal device does not receive the corresponding random access response (RAR, Random Access Response) after the last PRACH transmission, It is determined that the transmission result of the last PRACH transmission is a transmission failure; when the terminal device does not receive the corresponding conflict resolution message after the last PRACH transmission, it is determined that the transmission result of the last PRACH transmission is a transmission failure. That is to say, if the terminal device does not receive any one of the RAR and the conflict resolution message after the last PRACH transmission, it can be determined that the transmission result of the last PRACH transmission is a transmission failure.
  • the aforementioned conflict resolution message may also be called contention resolution or contention resolution message.
  • the terminal device transmits PRACH once (that is, sends Msg 1 to the network device), if the terminal device does not receive a reply from the network device within the RAR window RAR, the transmission result of this PRACH transmission is considered to be a transmission failure; if the terminal device successfully receives a RAR within the RAR window and the index of the preamble carried in the RAR message is the same as the preamble in Msg 1 sent by the terminal device The indexes are the same, then the terminal device sends Msg 3 to the network device; if the terminal device correctly receives Msg 4 and determines that Msg4 indicates that it has completed contention resolution (Contention Resolution), it determines that the transmission result of this PRACH transmission is successful, otherwise, determine The transmission result of this PRACH transmission is transmission failure.
  • contention resolution Contention Resolution
  • the terminal device transmits PRACH once (that is, sends Msg A to the network device)
  • the terminal device does not receive the MsgB sent by the network device (the MsgB is used to carry RAR and/or conflict resolution messages)
  • the transmission result of this PRACH transmission is transmission failure
  • the terminal device receives the MsgB sent by the network device, it is determined that the transmission result of this PRACH transmission is successful transmission.
  • the terminal device processing refers to the terminal device measuring the first downlink signal; accordingly, the first information includes: the measurement result of the first downlink signal; determining whether the first information satisfies the first
  • the condition may include: the terminal device determines that the first condition is met when the measurement result of the first downlink signal is less than a first threshold value.
  • the method of obtaining the measurement result of the first downlink signal may be: before the terminal device initiates access, the terminal device measures the first downlink signal to obtain the measurement result of the first downlink signal.
  • the measurement result of the first downlink signal can be represented by at least one of the following: RSRP (Reference Signal Receiving Power, reference signal receiving power), RSRQ (Reference Signal Receiving Quality, reference signal receiving strength), RSSI (Received Signal Strength Indicator) , received signal strength indication).
  • the number of the aforementioned first downlink signals may be one or more.
  • the first downlink signal may be all downlink signals of the terminal equipment, or the first downlink signal may refer to some designated downlink signals of all downlink signals of the terminal equipment.
  • the downlink signal is used as the first downlink signal, that is, the first information only includes the measurement results of part of the downlink signal (ie, the first downlink signal).
  • the measurement result of the first downlink signal is obtained by measuring the first downlink signal corresponding to the downlink beam of the terminal equipment; or, the first downlink signal corresponding to the designated downlink beam of the terminal equipment. Obtained by measurement; or obtained by the first downlink signal corresponding to the designated downlink beam of the terminal equipment.
  • the measurement result of the first downlink signal is obtained by measuring the downlink signal corresponding to the downlink beam of the terminal device; specifically, it may refer to: the terminal device can measure the first downlink signal corresponding to all downlink beams.
  • the downlink signal is measured; correspondingly, when the measurement results of the first downlink signal corresponding to all downlink beams are less than the first threshold value, the terminal equipment determines that the first condition is met; otherwise, it is determined that the first condition is not met.
  • all downlink beams may refer to all the beams that the terminal device determines to use; for example, when the random access is CBRA (Contention Based Random Access, contention-based random access), the terminal device will determine the beams that it uses. Beams (that is, all the beams used by itself).
  • the first downlink signal may be all downlink signals that the terminal device can measure.
  • the measurement result of the first downlink signal is obtained by measuring the downlink signal corresponding to the designated downlink beam of the terminal device; specifically, it may refer to: the terminal device can measure the first downlink signal corresponding to the designated downlink beam.
  • the downlink signal is measured; accordingly, when the measurement results of the first downlink signal corresponding to the designated downlink beam are all less than the first threshold value, the terminal device determines that the first condition is met; otherwise, it is determined that the first condition is not met.
  • the first downlink signal may be all downlink signals that the terminal device can measure in one or more designated downlink beams.
  • the measurement result of the first downlink signal is obtained from the designated downlink signal corresponding to the designated downlink beam of the terminal device; specifically, it may refer to: the terminal device can measure the designated first downlink signal corresponding to the designated downlink beam.
  • the downlink signal is measured; accordingly, when the measurement result of the designated first downlink signal corresponding to the designated downlink beam is less than the first threshold value, the terminal device determines that the first condition is met; otherwise, it is determined that the first condition is not met.
  • the first downlink signal may be a designated downlink signal of the terminal device on each of the one or more designated downlink beams.
  • the designated downlink beam of the above terminal equipment can be indicated by the network equipment; for example, when the random access is CFRA (Contention Free Random Access, contention-free random access), the network equipment will indicate the beam for the terminal equipment; this implementation
  • the beam directed by the network device to the terminal device is called the designated downlink beam of the terminal device.
  • the designated downlink signal corresponding to the above designated downlink beam can also be indicated by the network device; for example, when the random access is CFRA, the network device may not only indicate the beam for the terminal device, but also indicate the beam for the terminal device.
  • Corresponding measurement signal in this embodiment, the measurement signal corresponding to the beam indicated by the network device for the terminal device is called the designated downlink signal corresponding to the designated downlink beam.
  • the downlink signal is specifically a downlink reference signal, which may include at least one of the following: SSB (Synchronization Signal Block), CSI-RS (Channel State Information-Reference Signal, Channel State Information Reference Signal). Further, in this embodiment, in addition to at least one of the above two types, the downlink signal may also include at least one of the following: DMRS (DeModulation Reference Signal), PT-RS (Phase-RS) tracking reference signal, phase tracking reference signal), etc. This is not an exhaustive list of all possible downstream signal types.
  • the first threshold value may be preset, determined by the terminal device, or configured by the network device.
  • the first threshold value may be different from any threshold specified in the relevant protocol, that is, the first threshold value is a threshold value specifically used to determine whether to perform repeated transmission of PRACH.
  • the first threshold can also be called any one of the following: dedicated PRACH repeated transmission threshold, dedicated PRACH repeated transmission RSRP threshold, dedicated msg1 repeated transmission RSRP threshold, msg1 RSRP threshold ( rsrp-ThresholdMsg1), rsrp-ThresholdPreamble (preamble RSRP threshold), rsrp-ThresholdPRACH (PRACH RSRP threshold), repeated transmission RSRP threshold (rsrp-ThresholdRepetition), etc.; there is no exhaustion of all possible names here. Lift.
  • the processing of the network device may further include: the network device configures the first threshold value to the terminal device; the first threshold value is used for the terminal device The first downlink signal detection result is judged to determine whether to perform repeated transmission of the PRACH.
  • the first threshold value can be carried by one of the following: Feature Combination Preambles (FeatureCombinationPreambles); Random Access Channel RACH Common Configuration Parameters (RACH-ConfigCommon); Common Configuration Parameters of Message msg A (MsgA-ConfigCommon); Beam Failure recovery configuration (BeamFailureRecoveryConfig); msg A configuration parameter (RACH-ConfigCommonTwoStepRA) in RACH public configuration parameters.
  • the processing by the network device may further include: the network device configuring a second threshold value to the terminal device, and the second threshold value is used by the terminal device to determine the first threshold value.
  • the second threshold value may refer to the threshold value specified in the relevant protocol.
  • the second threshold value may be any one of the following: rsrp-ThresholdSSB, which is used for 4-step random access.
  • the RSRP threshold selected by SSB Synchronization Signal Block
  • rsrp-ThresholdCSI-RS that is, the RSRP threshold used for CSI-RS selection for 4-step random access
  • msgA-RSRP-ThresholdSSB that is RSRP threshold used for SSB selection for 2-step random access
  • rsrp-ThresholdSSB-SUL which is performed on the normal uplink (normal uplink, NUL) carrier and the supplementary uplink (SUL, supplementary uplink) carrier
  • the selected RSRP threshold; msgA-RSRP-Threshold that is, when both 2-step random access and 4-step random access are configured in the random access resources in the UL BWP (Bandwidth Part, BankWidth Part), perform 2
  • rsrp-ThresholdMsg3 which determines the RSRP threshold for Msg3repetition (repeated transmission
  • the first threshold value when the first threshold value is determined by the terminal device, the first threshold value may be directly the second threshold value. That is to say, the terminal device can directly reuse the threshold value specified in the relevant protocol (ie, the aforementioned second threshold value).
  • the first threshold value when the first threshold value is determined by the terminal device, the first threshold value may be calculated based on the second threshold value.
  • the aforementioned calculation may be based on the calculation of the second threshold value based on the threshold adjustment coefficient and/or the threshold adjustment offset value.
  • the first threshold value may be equal to the threshold adjustment coefficient multiplied by the second threshold value; or, the first threshold value may be equal to the addition or addition of the threshold adjustment offset value and the second threshold value. Subtract; or, the first threshold value may be equal to the result obtained by adding or subtracting the threshold adjustment offset value and the second threshold value, multiplied by the threshold adjustment coefficient; or, the first threshold value
  • the value may be equal to the result of multiplying the second threshold value and the threshold adjustment coefficient, and the result of adding or subtracting the threshold adjustment offset value.
  • the threshold adjustment coefficient may be a positive number greater than or equal to 1 or a positive number less than 1; the threshold adjustment offset value may be greater than or equal to 0 or less than 0.
  • the aforementioned threshold adjustment coefficient and/or threshold adjustment offset value may be preset or configured by the network device. If the threshold adjustment coefficient and/or the threshold adjustment offset value are preset, it may mean that the threshold adjustment coefficient and/or the threshold adjustment offset value are agreed upon in the protocol and are pre-stored in the terminal device.
  • threshold adjustment coefficient and/or threshold adjustment offset value When the aforementioned threshold adjustment coefficient and/or threshold adjustment offset value is configured for the network device, it may be carried by one of the following: Feature Combination Preambles (FeatureCombinationPreambles); Random Access Channel RACH Common Configuration Parameters (RACH-ConfigCommon) ; Common configuration parameters of message msg A (MsgA-ConfigCommon); Beam failure recovery configuration (BeamFailureRecoveryConfig); msg A configuration parameters in RACH public configuration parameters (RACH-ConfigCommonTwoStepRA).
  • FeatureCombinationPreambles Random Access Channel RACH Common Configuration Parameters
  • RACH-ConfigCommon Common configuration parameters of message msg A
  • Beam failure recovery configuration BeamFailureRecoveryConfig
  • msg A configuration parameters in RACH public configuration parameters RACH-ConfigCommonTwoStepRA
  • threshold adjustment coefficient and/or threshold adjustment offset value when configured for the network device, it can be carried by other messages or signaling, such as any one of system messages, DCI, RRC messages, and MAC CE. This is not correct. It is exhaustive.
  • the terminal device measures and obtains the measurement result of the first downlink signal before initiating random access (that is, before performing the initial PRACH transmission); Compare the measurement results of the first downlink signal with the first threshold value. If the measurement results of the first downlink signal are both less than the first threshold value, it is determined that the first condition is met, and it is determined to perform repeated transmission of the PRACH; if If the measurement results of one or more first downlink signals are not less than the first threshold value, it is determined that repeated transmission of the PRACH is not performed. In this case, if it is determined to perform repeated transmission of the PRACH, it means that the repetition (repetition) transmission method is used when the PRACH is transmitted for the first time.
  • the first information only includes the transmission result of the last PRACH transmission; then after the terminal device has performed a certain PRACH transmission, if it is determined that the transmission result of the last PRACH transmission is a transmission failure, it is determined that the first condition is met, and the following can be determined.
  • PRACH is retransmitted once, PRACH repetition (repetition) transmission is performed; otherwise, PRACH repetition transmission is not performed.
  • the initial PRACH transmission of the terminal device may be a transmission without using repeated transmission. If the first information includes the transmission result of the last PRACH transmission and the measurement result of the first downlink signal, then the terminal device measures the first downlink signal before initiating random access (that is, before performing the first PRACH transmission).
  • Measurement results Compare the measurement results of the first downlink signal with the first threshold value. If the measurement results of the first downlink signal are both less than the first threshold value, it is determined that the first condition is met, and it is determined to repeat the PRACH. Transmission; in this case, it can be determined that PRACH transmission has enabled repeated transmission, and the terminal device can no longer use the transmission result of the last PRACH transmission to make a judgment, but maintain the PRACH if it retransmits (retransmit) PRACH. Repeat transmission.
  • the initial transmission is determined During PRACH, repeated transmission of PRACH is not performed. Further, after the terminal device transmits the PRACH for the first time, if it is determined that the transmission result of the initial PRACH transmission is a transmission failure, it is determined that the first condition is met, and it can be determined that the PRACH will be repeated starting from the next retransmission (retransmit) of the PRACH. transmission; otherwise no repeated transmission of PRACH will be performed.
  • the terminal device determines to perform repeated transmission of the PRACH.
  • the terminal device in addition to determining whether to perform repeated transmission of PRACH based on whether the first information satisfies the first condition, the terminal device may further determine whether to perform repeated transmission of PRACH in combination with the second information sent by the network device.
  • the processing by the network device may also include: the network device sends second information, the second information is used by the terminal device to determine whether to perform repeated transmission of the PRACH; correspondingly, the processing by the terminal device further includes: the terminal device receives Second information; the second information is used by the terminal equipment to determine whether to perform repeated transmission of PRACH. The aforementioned second information is used by the terminal equipment to determine whether to perform repeated transmission of PRACH.
  • This second information may be called PRACH repetition indicator information, or an indication field of PRACH repeated transmission; it should be understood that this second information
  • the second information can also be called other names in actual use, such as PRACH repetition flag (PRACH repeated transmission flag), PRACH repetition enabled (PRACH repeated transmission enable) information, msg1repetition indicator (msg1 repeated transmission indication) information, msg1repetition flag (Flag bit of msg1 repeated transmission), msg1repetition enabled (msg1 repeated transmission enable) information, etc.
  • PRACH repetition flag PRACH repeated transmission flag
  • PRACH repetition enabled PRACH repeated transmission enable
  • msg1repetition indicator msg1 repeated transmission indication
  • msg1repetition flag Frlag bit of msg1 repeated transmission
  • msg1repetition enabled msg1 repeated transmission enable
  • the network device may explicitly instruct the terminal device whether to perform repeated transmission of PRACH through the second information.
  • the terminal device determines to perform repeated transmission of the PRACH when the first information satisfies a first condition, including: the terminal device determines that the first information satisfies the first condition and the second information includes a third
  • the first indication information is used to indicate turning on the repeated transmission of the PRACH, it is determined to perform the repeated transmission of the PRACH.
  • the second information includes first indication information; wherein, when the value of the first indication information is the first value, it is used to indicate starting repeated transmission of PRACH; or, the first indication information includes When the transmission type of PRACH is the repeated transmission type, it is used to indicate turning on the repeated transmission of PRACH. That is, the first indication information in the aforementioned second information may carry an enable switch or carry the transmission type of PRACH.
  • the value of the aforementioned first indication information may represent an enable switch, that is, it may be used to display and indicate whether the terminal device enables repeated transmission of PRACH. Specifically, when the value of the first indication information is the first value, it is used to indicate enabling, that is, to indicate turning on the repeated transmission of PRACH; and/or, the value of the first indication information is In the case of the second value, it is used to indicate disabling enablement, that is, instructing the terminal device not to enable repeated transmission of PRACH. Wherein, the first value is different from the second value, and the first value and the second value may be preconfigured.
  • the first value can be 0 and the second value can be 1; or the first value can be 1 and the second value can be 0; or other first values or other second values can also be set. , as long as the first value and the second value are different, they are both within the protection scope of this embodiment.
  • the processing of the terminal device may specifically include: the terminal device determines if the first information satisfies a first condition, the second information includes first indication information, and the value of the first indication information is If it is the first value, determine to perform repeated transmission of the PRACH; and/or, the terminal equipment satisfies the first condition when the first information satisfies the first condition, the second information includes the first indication information, and the first indication When the value of the information is the second value, it is determined not to perform repeated transmission of the PRACH; and/or when the first information does not meet the first condition, the terminal device determines not to perform repeated transmission of the PRACH.
  • the first indication information includes the transmission type of PRACH; when the transmission type of PRACH included in the first indication information is a repeated transmission type, it is used to indicate turning on the repeated transmission of PRACH; the first indication information includes When the transmission type of PRACH is a non-repetitive transmission type, it is used to indicate not to enable repeated transmission of PRACH.
  • the repeated transmission type can also be called PRACH repeated transmission, or PRACH repeated transmission type, or msg1 repeated transmission, or msg1 repeated transmission type, etc.
  • the non-repeated transmission type can also be called: traditional transmission type, or traditional type, or PRACH does not repeat transmission, or PRACH does not repeat transmission type, or msg1 does not repeat transmission, or msg1 does not repeat transmission type, etc. All possible names are not exhaustive here.
  • the processing of the terminal device may specifically include: the terminal device determines whether the first information satisfies a first condition, the second information includes first indication information, and the PRACH included in the first indication information When the transmission type is a repeated transmission type, determine to perform repeated transmission of PRACH; and/or, the terminal equipment satisfies the first condition when the first information satisfies the first condition, the second information includes the first indication information, and the If the transmission type of PRACH included in the first indication information is a non-repetitive transmission type, determine not to perform repeated transmission of PRACH; and/or, if the first information does not satisfy the first condition, the terminal device determines not to perform repeated transmission of PRACH. Perform repeated transmission of PRACH.
  • the network device may implicitly indicate whether the terminal device performs repeated transmission of PRACH through the second information.
  • the second information does not carry the above-mentioned first indication information, but may carry other relevant configuration information for repeated transmission.
  • Other relevant configuration information that is repeatedly transmitted may be the first threshold value.
  • the terminal equipment determines to perform repeated transmission of the PRACH, including: the terminal equipment when the second information includes a first threshold value and the first If the information satisfies the first condition, it is determined to perform repeated transmission of the PRACH; wherein the first threshold value is a threshold value related to the measurement result of the first downlink signal.
  • the first threshold value may be different from any threshold specified in the relevant protocol, that is, the first threshold value is a threshold value specifically used to determine whether to perform repeated transmission of PRACH. It should be understood that, in this example, if the second information carries the first threshold value, the network device can use the first threshold value exclusively for determining the repeated transmission of the PRACH.
  • the second information includes the first threshold value, which may mean that the second information includes the name of the first threshold value and the value of the first threshold value.
  • the second information may include the name of the first threshold value "dedicated msg1 repeated transmission RSRP threshold value” and the value a1.
  • the second information includes an information field of the first threshold value, and the information field of the first threshold value is used to carry the value of the first threshold value.
  • the second information may include one or more information fields, and the content carried by each information field is predefined; assuming that information field 1 is defined in the second information to carry "dedicated msg1 repeated transmission RSRP threshold" value"; correspondingly, the terminal device can determine the information field 1 of the "dedicated msg1 repeated transmission RSRP threshold value" according to the definition of each information field of the second information, and then use the content carried in the information field 1 as the "dedicated msg1 repeated transmission RSRP threshold value".
  • the value of "msg1 repeated transmission RSRP threshold" is assuming that information field 1 is defined in the second information to carry "dedicated msg1 repeated transmission RSRP threshold" value"; correspondingly, the terminal device can determine the information field 1 of the "dedicated msg1 repeated transmission RSRP threshold value" according to the definition of each information field of the second information, and then use the content carried in the information field 1 as the "dedicated msg1 repeated transmission RSRP
  • the second information does not carry the above-mentioned first indication information, but may carry other relevant configuration information for repeated transmission.
  • the second information is used to indicate the value of the first parameter, and the value of the first parameter is used by the terminal equipment to determine the number of repeated transmissions of the PRACH.
  • the terminal device determines to perform repeated transmission of PRACH when the first information satisfies the first condition, including: the terminal device determines to perform repeated transmission of the PRACH when the first information satisfies the first condition and the second information If the value of the indicated first parameter is a valid value, it is determined to perform repeated transmission of the PRACH; wherein the value of the first parameter is used to determine the number of repeated transmissions of the PRACH.
  • the value of the first parameter is a valid value, which may mean that the value of the first parameter is within a valid value range.
  • the valid value range may be an integer greater than 0 or an integer greater than 1. Wait, this is not an exhaustive list of all possible situations.
  • the second information is used to indicate the value of the first parameter.
  • the first information may include the name of the first parameter and the value of the first parameter, such as the first parameter b and the value b1.
  • the second information includes an information field of the first parameter, and the information field of the first parameter is used to carry the value of the first parameter.
  • the second information may include one or more information fields, and the content carried by each information field is predefined; assuming that the information field 2 is defined in the second information to carry the first parameter b; accordingly, the terminal The device can determine the information field 2 corresponding to the first parameter b according to the definition of each information field of the second information, and then use the content carried in the information field 2 as the value b1 of the first parameter b.
  • the first parameter may be called a dedicated number of repeated PRACH transmissions (RepetitionNumberofPRACH), or the first parameter may also be called a dedicated number of repeated preamble transmissions (RepetitionNumberofPreamble).
  • the second information may not carry the above-mentioned first indication information, but may carry the above-mentioned first threshold value and the value of the first parameter.
  • the terminal device determines to perform repeated transmission of PRACH when the first information satisfies the first condition, including: the terminal device determines to perform repeated transmission of the PRACH when the first information satisfies the first condition and the second information If the first threshold value is included and the value of the first parameter in the second information is a valid value, it is determined to perform repeated transmission of the PRACH.
  • the manner in which the second information carries the first threshold value and the value of the first parameter is the same as the previous embodiment, and no repeated description will be made.
  • the network device may display and indicate whether the terminal device performs repeated transmission of PRACH through the second information, and also carry other related configuration information of repeated transmission through the second information.
  • the second information sent by the network device may include the first indication information; in addition, the second information may also include the above-mentioned first threshold value and/or the value of the first parameter.
  • the terminal device determines to perform repeated transmission of the PRACH, including: the terminal device determines to perform repeated transmission of the PRACH when the first information satisfies the first condition and the second information in the second information satisfies the first condition.
  • an instruction information indicates to enable repeated transmission of PRACH and the value of the first parameter in the second information is a valid value, it is determined to perform repeated transmission of PRACH; or, the terminal device determines to perform repeated transmission of PRACH when the first information satisfies
  • the first condition is that the first indication information in the second information indicates turning on the repeated transmission of PRACH, and the second information includes a first threshold value, it is determined to perform repeated transmission of PRACH;
  • the terminal equipment is The first information satisfies the first condition
  • the first indication information in the second information indicates turning on the repeated transmission of PRACH
  • the value of the first parameter in the second information is a valid value
  • the second information includes In the case of the first threshold value, it is determined to perform repeated transmission of PRACH.
  • the aforementioned second information may be carried by any one of a variety of information or signaling; for example, the second information may be carried by DCI, RRC signaling, MAC CE, system Any one of the messages etc. is carried.
  • the DCI may be the first DCI, and the format of the first DCI is DCI format (format) 1_0.
  • the DCI format 1_0 is carried by PDCCH (Physical Downlink Control Channel, Physical Downlink Control CHannel).
  • the aforementioned second information may specifically be carried by the first information field of the first DCI, that is, DCI format (format) 1_0.
  • the first information field may be a new information field, specifically, it may be a new information field obtained by defining one or more bits among the reserved bits.
  • the DCI format 1_0 when DCI format 1_0 is used to carry the second information, the DCI format 1_0 needs to meet at least one of the following three conditions: use RNTI (Radio Network Temporary Identifier, wireless network temporary identifier) for scrambling; The "Frequency domain resource assignment" field (Field) is all "1"; and the Random Access Preamble index (random access preamble index number) Field is not all "0".
  • RNTI Radio Network Temporary Identifier, wireless network temporary identifier
  • the "Frequency domain resource assignment" field (Field) is all "1"
  • the Random Access Preamble index random access preamble index number
  • RNTI can be one of the following: C-RNTI (Cell-RNTI, temporary cell wireless network identification), TC-RNTI (Temporary Cell RNTI, temporary cell RNTI), CS-RNTI (Configured Scheduling RNTI, configuration scheduling RNTI), MCS-C-RNTI (Modulcation Coding Scheme Cell RNTI, Modulation Coding Scheme Cell RNTI).
  • C-RNTI Cell-RNTI, temporary cell wireless network identification
  • TC-RNTI Temporary Cell RNTI, temporary cell RNTI
  • CS-RNTI Configured Scheduling RNTI, configuration scheduling RNTI
  • MCS-C-RNTI Modulcation Coding Scheme Cell RNTI, Modulation Coding Scheme Cell RNTI.
  • DCI format 1_0 when DCI format 1_0 is used to carry the second information, the aforementioned DCI format 1_0 needs to meet all of the above three conditions.
  • DCI format 1_0 uses C-RNTI (Cell-Radio Network Temporary Identifier, Cell Radio Network Temporary Identifier) for scrambling, and " "Frequency domain resource assignment" field is all "1"
  • DCI format 1_0 is used for the random access process initiated by the PDCCH command.
  • using the DCI format 1_0 to carry the second information can make the terminal device When receiving the second information, a random access process is initiated, and it is directly determined whether to perform repeated transmission of PRACH during the random access process.
  • the PRACH mask index (mask index number) field is used to indicate the RO associated with SS/PBCH (that is, SSB).
  • the SS/PBCH index (index number) field is used to determine the SSB, and the SSB used by the terminal device and the RO associated with the SSB can enable the terminal device to determine the transmission resources to be used for this PRACH transmission or repeated transmission.
  • DCI format 1_0 carrying the aforementioned second information
  • Field 2 Frequency domain resource assignment: used to indicate the frequency domain resource, the x bits it occupies; x can be determined according to the actual situation, specifically it can be calculated based on the formula specified in the protocol, which is not limited here;
  • Field 3 Random Access Preamble index (random access preamble index number): 6 bits, used to explicitly indicate ra-PreambleIndex (random access-preamble index number);
  • Field 5 SS/PBCH index (SS/PBCH index (
  • this field indicates the SS/PBCH used to determine the RACH occasion used for PRACH transmission. Otherwise, the Field reserved; Field 6, PRACH mask index: 4 bits. If “Random Access Preamble index” is not all 0, this field indicates the RACH occasion associated with SS/PBCH (indicated by 6-bit SS/PBCH index). Otherwise, this field Domain reserved; Field 7, second information: 1 or more bits; Field 8, reserved bits: specified in the protocol, operation in a cell with shared spectrum channel access in FR1, or in FR2- When the DCI format in 2 is monitored in the universal search space, the reserved bits are 12 bits, otherwise, the reserved bits are 10 bits.
  • the second information will occupy one or more bits of the reserved bits, so the number of reserved bits may be less than or equal to 11 bits, or the number of reserved bits may be less than or equal to 9 bits.
  • Figure 7 also illustrates an arrangement order of the aforementioned Field 1 to Field 8 in the DCI format 1_0 carrying the second information; Figure 7 is only an exemplary illustration. In actual processing, the aforementioned Field 7 can be before Field 8. It can also be within Field 8, or it can also be after Field 8, which are all within the protection scope of this embodiment, but this is not an exhaustive list.
  • the second information can be carried by redefining the information field in the aforementioned DCI format 1_0.
  • the first parameter in the second information can be carried by the redefined PRACH mask index field, that is, the PRACH mask is redefined. index is used to carry the first parameter.
  • the second information is carried by DCI, which may be a second DCI.
  • the format of the second DCI is a DCI format other than DCI format 1_0.
  • the format of the second DCI may be: among the DCI formats specified in the protocol, other DCI formats except DCI format 1_0.
  • the format of the second DCI is any one of the following: DCI format 0_0, DCI format 0_1, DCI format 1_1, DCI format 2_1, DCI format 2_2, DCI format 2_3, etc.
  • the second DCI may also be a PDCCH bearer, but the function of the second DCI is not used to instruct the terminal device to initiate a random access process. This embodiment does not limit the specific function of the second DCI.
  • the second information may be carried by a designated information field of the second DCI, and the designated information field may occupy one or more bits among the reserved bits of the second DCI.
  • the format of the second DCI may be a newly defined DCI format.
  • the newly defined DCI format is different from the DCI format stipulated in the aforementioned protocols.
  • the second DCI may be specifically used to indicate whether the terminal device performs repeated transmission of PRACH.
  • the second information may be carried by the designated information field of the second DCI, and the number of bits occupied by it may be one or more.
  • the second information is carried by RRC signaling.
  • the RRC signaling can be RRC signaling in any processing flow, for example, it can be RRC connection establishment signaling, RRC connection reconfiguration completion signaling, etc. All possible situations are not exhaustive here.
  • the terminal device can only use the first information to determine whether to perform repeated transmission of PRACH; or the terminal device can jointly determine whether to perform repeated transmission of PRACH based on the first information and the second information configured by the network device.
  • the processing of the terminal device may also include: when it is determined to perform repeated transmission of PRACH, the terminal device performs repeated transmission of PRACH on multiple target transmission resources; wherein, the multiple target transmission resources The number is the same as the number of repeated transmissions of PRACH, and each of the plurality of target transmission resources is used for one PRACH transmission.
  • the processing of the network device may also include: the network device receives the repeatedly transmitted PRACH on multiple target transmission resources; wherein the number of the multiple target transmission resources is the same as the number of repeated transmissions of the PRACH, and the Each of the multiple target transmission resources is used to receive a PRACH.
  • the terminal device determines not to perform repeated transmission of PRACH
  • the terminal device performs PRACH transmission on a selected transmission resource.
  • the network device may further include: the network device receives the PRACH.
  • a transmission resource selected by the terminal device may be a transmission resource selected according to existing protocol provisions, which will not be described again.
  • transmission resources may specifically refer to PRACH opportunities; the PRACH opportunities may be time-frequency resources, and the PRACH opportunities may also be called ROs. It should be understood that in the following description of this disclosure, unless otherwise specified, transmission resources have the same meaning as RO, target transmission resources have the same meaning as target RO, and available transmission resources have the same meaning as available RO.
  • M second downlink signals refer to the downlink signals used by the terminal equipment. Therefore, first, the M second downlink signals will be explained:
  • the M second downlink signals are designated by the network device for the terminal device.
  • the M second downlink signals are indicated by the fifth information.
  • the M second downlink signals are indicated by the network device through fifth information.
  • the fifth information may carry index numbers (or numbers, or identifiers) of M second downlink signals.
  • the network device sends fifth information.
  • the terminal device receives the fifth information and determines the M second downlink signals based on the fifth information.
  • the fifth information may be carried through any one of DCI, RRC signaling, MAC CE, system messages, etc.
  • the fifth information is carried by DCI
  • the fifth information is carried by the first DCI; the definition of the first DCI has been explained in the foregoing embodiments and will not be described again here.
  • the fifth information may be the SS/PBCH index carried by Field 5 in the first DCI.
  • the relevant description of the SS/PBCH index is the same as the previous embodiment and will not be described again here.
  • the M second downlink signals are determined by the terminal equipment.
  • the processing by the terminal device may further include: the terminal device selects the M second downlink signals from the plurality of downlink signals based on measurement results respectively corresponding to the plurality of downlink signals.
  • M is configured by the network device or preset.
  • the network device can specify M for the terminal device; or, the network device and the terminal device can respectively preset the same number M.
  • the M may be 1, or may be an integer greater than 1, and all possible values thereof are not limited here.
  • the M second downlink signals here may be the same as or different from the aforementioned first downlink signals.
  • M second downlink signals are selected, including one of the following: M downlink signals are randomly selected from all downlink signals as M second downlink signals; from the plurality of downlink signals, Select the M second downlink signals with the largest measurement results; if there is a downlink signal with a measurement result greater than the first threshold value among the plurality of downlink signals, based on the downlink signal with the measurement result greater than the first threshold value , determine M second downlink signals. That is to say, the terminal device can randomly select M second downlink signals from all downlink signals. Alternatively, regardless of whether the measurement results of each downlink signal are greater than the first threshold, only the M second downlink signals with the largest measurement results are selected. Alternatively, consider whether the measurement results of each downlink signal are greater than the first threshold, and try to select the second downlink signal from the downlink signals whose measurement results are greater than the first threshold.
  • determining M second downlink signals based on the downlink signals whose measurement results are greater than the first threshold value includes one of the following: when the number of downlink signals whose measurement results are greater than the first threshold value is not less than M In this case, select M second downlink signals from the downlink signals whose measurement results are greater than the first threshold value; when the number of downlink signals whose measurement results are greater than the first threshold value is less than M, select M second downlink signals whose measurement results are greater than the first threshold value.
  • the downlink signal of the first threshold value and part of the downlink signals of the downlink signal whose measurement result is not greater than the first threshold value are used as the M second downlink signals.
  • the terminal device can All downlink signals whose measurement results are greater than the first threshold are regarded as M second downlink signals. For example, there may be a situation where the number K of downlink signals whose measurement results are greater than the first threshold is greater than M. In this case, the terminal device can randomly select M second downlink signals from the downlink signals whose measurement results are greater than the first threshold. , or you can also select the M second downlink signals with the largest measurement results.
  • the terminal device can treat all K downlink signals greater than the first threshold as K second downlink signals, and then Then select M-K second downlink signals with the largest measurement results from the remaining downlink signals whose measurement results are not greater than the first threshold value.
  • the aforementioned M can also be called the selected number of downlink signals in some examples; for example, if the downlink signal is SSB, the M can also be expressed as "SSB_selected_number (SSB selected number)".
  • the number of repeated transmissions of the PRACH is related to a second parameter, where the second parameter is used to represent the number of downlink signals associated with one transmission resource.
  • the aforementioned terminal equipment only uses the first information to determine to perform repeated transmission of PRACH, or the aforementioned terminal equipment uses the first information and the second information to jointly determine to perform repeated transmission of PRACH.
  • the second information does not include
  • the terminal device may use the second parameter to determine the number of repeated transmissions of the PRACH.
  • the second parameter may be SSB_per_RO in the previous embodiment.
  • the SSB_per_RO can be expressed as ssb-perRACH-Occasion when configured in the system. Specifically, it can be carried by any one of the following information: carried by high-level configuration parameters. Specifically, the high-level configuration parameters can be ssb-perRACH-OccasionAndCB-PreamblesPerSSB.
  • msgA-SSB-PerRACH -OccasionAndCB-PreamblesSSB the number of SSBs associated with a RO in msgA, and the number of competition-based preambles for each SSB on each valid RO
  • configuration based on non-contention random access CFRA, Contention Free Rach Access
  • ssb-perRACH-Occasion carried in the message
  • ssb-PerRACH-OccasionTwoStepRA (2-step random access) carried in the CFRA configuration message
  • ssb-perRACH carried in SI (System Information)-RequestConfig (request configuration) -Occasion
  • the value of the SSB-per-RO can be configured as ⁇ oneEighth(1/8), oneFourth(1/4), oneHalf( 1/2),one,two,four,eight,sixteen ⁇ .
  • the second parameter may be expressed as CSI-RS_per_RO, etc. The second parameters corresponding to various types of downlink signals are not discussed here. Exhaustive.
  • the second parameter may be a positive number, for example, the second parameter may be less than 1, or may not be less than 1.
  • the number of downlink signals associated with any transmission resource in a mapping cycle is not less than 1; that is, in a mapping cycle, one or more downlink signals can be mapped to same transmission resources.
  • the second parameter is less than 1, the number of downlink signals associated with any transmission resource in a mapping cycle is less than 1, that is, a downlink signal can be mapped to multiple transmission resources in a mapping cycle, and different downlink signals Map to different transport resources.
  • the aforementioned mapping cycle can be expressed as a mapping cycle (mapping cycle), or, in some possible cases, the mapping cycle can be called an RO mapping cycle (RO mapping cycle).
  • the aforementioned mapping cycle may include: multiple transmission resources for downlink signal mapping.
  • the plurality of downlink signals include M second downlink signals.
  • the multiple downlink signals may refer to all downlink signals (which may be all configured downlink signals, or all downlink signals actually used in communication), that is, all downlink signals in the system; accordingly, a mapping cycle can Including all transmission resources mapping all downlink signals, each transmission resource in all transmission resources is used to map one or more downlink signals.
  • the M second downlink signals may refer to downlink signals used by the terminal equipment.
  • the number of transmission resources included in a mapping cycle is related to the number of all downlink signals and the aforementioned second parameter. For example, if the downlink signal is SSB and the second parameter is SSB_per_RO (assuming SSB-per-RO is expressed as N), the number of transmission resources included in a mapping cycle can be determined by: the reciprocal of SSB_per_RO and the number of all SSBs product.
  • a mapping cycle can include 4 ROs.
  • the arrangement of RO can be arranged from low frequency to high frequency in the frequency domain, and arranged in time order in the time domain.
  • the arrangement of RO The arrangement can be from bottom to top or left to right.
  • the second parameter is not less than 1.
  • the number of repeated transmissions of the PRACH is equal to one of the following: a first value, and the first value is equal to M times the second parameter; where M is the 2.
  • the number of downlink signals, M is a positive integer; the second value is equal to M multiplied by the first preset value.
  • the terminal device when the second parameter is not less than 1, the number of repeated transmissions of the PRACH is equal to a first value, and the first value is equal to M times the second parameter; where M is The number of second downlink signals, M is a positive integer.
  • the terminal device can determine that the number of repeated transmissions of PRACH can be equal to 1, that is, it can determine that repeated transmission of PRACH is not performed at this time.
  • the terminal device may determine that the number of repeated transmissions of the PRACH may be equal to the second parameter multiplied by M.
  • the second downlink signal is the second SSB
  • the second parameter is SSB-per-RO
  • the value of the SSB-per-RO is expressed as N
  • the number of repeated transmissions of the PRACH can be SSB_selected_number*N;
  • the description of SSB_selected_number has been explained in the previous embodiment and will not be repeated here.
  • the second parameter when the second parameter is not less than 1, the number of repeated transmissions of the PRACH is equal to a second value, and the second value is equal to M multiplied by the first preset value.
  • the first preset value may be set according to actual conditions, and the first preset value may be 4, 8, or more or less, and is not exhaustive here.
  • the first preset value may be preconfigured by both the terminal device and the network device, or may be sent by the network device to the terminal device in advance.
  • the setting method of the first preset value is not limited here, as long as the terminal device and the network Both devices are set with the same first preset value, which is within the protection scope of this embodiment.
  • the second downlink signal is the second SSB
  • the second parameter is SSB-per-RO
  • the value of the SSB-per-RO is expressed as N
  • the number of repeated transmissions of the PRACH can be SSB_selected_number*first Default value;
  • the description of SSB_selected_number has been explained in the previous embodiment and will not be repeated here.
  • the second parameter is not less than 1
  • any one of them can be specified to be used, or the terminal device and the network device can negotiate to use any one of them.
  • the terminal device and the network device determine the number of repeated transmissions of the PRACH in the same way, both are within the protection scope of this embodiment.
  • the terminal equipment determines the processing of multiple target transmission resources for repeated transmission of PRACH as follows:
  • the multiple target transmission resources include: multiple transmission resources consecutively within one or more mapping cycles. It should be noted that the above one or more mapping cycles are one or more consecutive mapping cycles. Here, among the multiple continuous transmission resources within the one or more mapping cycles, regardless of whether the multiple transmission resources are associated with any one of the M second downlink signals, they can be used for repeated transmission of the PRACH. In this embodiment, since the second parameter is not less than 1, one downlink signal is only mapped to one transmission resource in one mapping cycle, and one or more downlink signals may be mapped to the same transmission resource.
  • the starting target transmission resource of the above multiple target transmission resources may be: the first second available transmission resource in the first mapping cycle.
  • the first second available transmission resource in the first mapping cycle may be: the second available transmission resource associated with the second downlink signal with the smallest index number among the M second downlink signals in the first mapping cycle.
  • the first mapping cycle may refer to the first mapping cycle after the terminal device enters the random access process; the definition of the mapping cycle has been explained in the foregoing embodiments and will not be repeated here.
  • the method of determining the starting target transmission resources of the plurality of target transmission resources may include: determining the second available transmission resources respectively associated with the M second downlink signals in the first mapping cycle; The second downlink signal with the smallest index number is used as the first second downlink signal, and the only second available transmission resource associated with the first second downlink signal is used as the starting target transmission of multiple target transmission resources. resource.
  • the above-mentioned M second downlink signals can be associated with respective index numbers.
  • the index number can also be called any one of identification, numbering, etc. As long as it can be used to uniquely identify each downlink signal, it is within the protection scope of this embodiment.
  • the second available transmission resources respectively associated with the M second downlink signals are determined based on the second parameter when the second parameter is not less than 1. Specifically, when the second parameter is not less than 1, the number of downlink signals associated with one transmission resource in the first mapping cycle is determined based on the second parameter; based on the number of downlink signals associated with one transmission resource quantity, determine the transmission resources associated with each downlink signal in the first mapping cycle; determine a second available transmission associated with each second downlink signal in the first mapping cycle based on the index numbers of the M second downlink signals resource. Take the first and second downlink signal as the first and second SSB, and the second parameter is SSB_per_RO as an example.
  • Each RO is a mapping cycle; assuming that the index number of the first and second SSB is 6, and RO 8011 is the first mapping cycle, then the The second available RO associated with a second SSB is RO 8011, which is the starting target RO among multiple target ROs.
  • the above descriptions are only illustrative and do not exhaust all possible situations.
  • the PRACH when the terminal device performs repeated transmission of PRACH, the PRACH carries a first type of preamble; the first type of preamble is a preamble used when performing repeated transmission of PRACH; the first type of preamble The preamble is preset or configured by the network device.
  • PRACH will also carry the preamble without repeated transmission, but the preamble that it needs to carry is determined in the method specified in the relevant protocol.
  • NR defines two types of preambles: long preambles and short preambles.
  • the PRACH subcarrier spacing supported by the preamble is 15kHz and 30kHz.
  • the long preamble is only used in NR licensed spectrum and supports unrestricted sets (unrestricted sets) and restricted sets (restricted sets).
  • Restricted sets can include type A and type B; the short preamble only supports unrestricted sets (unrestricted sets). ).
  • the short preamble with a sequence length of 139 can be used for both licensed spectrum and unlicensed spectrum; the short preamble with a sequence length of 1151 and 571 can only be used for shared spectrum channel access (shared spectrum channel access). channel access) scenario.
  • the preamble format A1 is exemplified. In the actual protocol, other types of formats are also included. This is not exhaustive.
  • ⁇ represents the subcarrier spacing configuration, and the value can be 0, 1, 2, 3, etc., no limit.
  • the terminal device can select the preamble to be used according to the current scenario. This embodiment does not limit all possible situations.
  • the processing by the network device may further include: the network device sending sixth information to the terminal device, where the sixth information includes the first type of preamble.
  • the terminal device can receive the sixth information.
  • the number of first-type preambles can be one or more, that is, one or more first-type preambles can constitute a first-type preamble subset; the terminal device can select from one or more first-type preambles, Select any first type preamble as the first type preamble carried in the repeated transmission of this PRACH.
  • first-type preambles are related to different scenarios; the terminal device selects one first-type preamble from one or more first-type preambles based on the current scenario as the first type carried in the repeated transmission of this PRACH.
  • Class preamble may include macro cell coverage, super large cell coverage, etc., which are not exhaustive here.
  • the second parameter is not less than 1, and the multiple target transmission resources are multiple transmission resources that are continuous within one or more mapping cycles.
  • the network device receiving the PRACH specifically includes: the network device receives the PRACH sent by the terminal device, and parses the preamble carried in the PRACH; when the preamble carried by the PRACH is the first type of preamble, The network device determines that the terminal device performs repeated transmission of PRACH, and the network device receives the PRACH repeatedly transmitted by the terminal device on the plurality of target transmission resources.
  • the way the network device determines whether the terminal device performs repeated transmission of PRACH can be: when the network device receives the PRACH sent by the terminal device , analyze the preamble carried in the PRACH; when it is determined that the preamble carried in the PRACH is the first type of preamble, determine that the terminal equipment performs repeated transmission of the PRACH.
  • the network device may further determine the number of repeated transmissions of PRACH and the target transmission resource.
  • the M second downlink signals are instructions for the network device
  • the network device determines the number of repeated transmissions and the target transmission resources of the PRACH in the same manner as the terminal device, and no repeated explanation is given.
  • the method by which the network equipment determines the number of repeated transmissions of the PRACH is the same as the processing method by the aforementioned terminal equipment, and no repeated description will be made.
  • the way the network device determines the target transmission resource can be: the network device can use the currently parsed first transmission resource for transmitting PRACH as the target starting transmission resource; then the network device can determine the target transmission resource based on the determined number of repeated transmissions of PRACH. After the initial transmission resource, it is sufficient to receive the PRACH on the consecutive transmission resources for the aforementioned repeated transmission times and perform demodulation.
  • the first and second downlink signal Take the first and second downlink signal as the first and second SSB, and the second parameter is SSB_per_RO as an example.
  • SSB_per_RO 1
  • a mapping cycle includes 8 ROs, and the repetition of PRACH The number of transmissions is equal to 8, the first and second SSB is SSB1, and the starting target RO of multiple target ROs is the only second available RO associated with SSB1, which is RO 9011 in Figure 9; the multiple target ROs 9012 include : In the first mapping cycle, the RO starts from 9011 and the following 7 consecutive ROs.
  • a mapping cycle includes 4 ROs, the number of repeated transmissions of PRACH is equal to 8, the first and second SSB is SSB 5, and the starting target RO of multiple target ROs
  • the second available RO associated with SSB 5 is RO 9021 in Figure 9; the multiple target ROs 9022 include the RO 9021 and the subsequent 7 consecutive ROs in the first mapping cycle.
  • the multiple target transmission resources include: one or more second available transmission resources in each mapping cycle in one or more mapping cycles; wherein the one or more second available transmission resources Each second available transmission resource in the resources is associated with one or more second downlink signals among the M second downlink signals.
  • One or more second available transmission resources in each mapping cycle include: in each mapping cycle, one second available transmission resource associated with each of the M second downlink signals ; Wherein, a second available transmission resource associated with each second downlink signal is determined based on the second parameter when the second parameter is not less than 1.
  • the method for determining one or more second available transmission resources within each mapping cycle may include: when the second parameter is not less than 1, determining a transmission resource associated with the second parameter based on the second parameter.
  • the number of downlink signals; based on the number of downlink signals associated with one transmission resource determine the transmission resources associated with each downlink signal in a mapping cycle; based on the index numbers of M second downlink signals, determine the number of downlink signals associated with each transmission resource in a mapping cycle.
  • the method of determining the starting target transmission resource of multiple target transmission resources is the same as the previous method, and no repeated description will be made.
  • the PRACH when the terminal device performs repeated transmission of PRACH, the PRACH carries the first type of preamble.
  • the description of the first type of preamble is the same as the previous embodiment and will not be described again.
  • the way in which the network device determines that the terminal device performs repeated transmission of PRACH can be the same as in the previous embodiment, and will not be repeated here.
  • the network device After the network device determines that the terminal device performs repeated transmission of PRACH, it may further determine the number of repeated transmissions of PRACH and the target transmission resources.
  • the network device determines the number of repeated transmissions of the PRACH and determines the target transmission resource in the same manner as the terminal device, and no repeated explanation is given.
  • the method by which the network equipment determines the number of repeated transmissions of the PRACH is the same as the processing method by the aforementioned terminal equipment, and no repeated description will be made.
  • the network device can determine the target transmission resource, specifically: when there is only one transmission resource in a mapping cycle, that is, when this one transmission resource is associated with all downlink signals, the network device can The first parsed transmission resource used to transmit PRACH is used as the target initial transmission resource; then, based on the determined number of repeated transmissions of PRACH, the network device receives consecutive transmissions of the aforementioned number of repeated transmissions in and after the target initial transmission resource. PRACH on the resource and demodulate it.
  • the network device can parse each after receiving the content corresponding to all transmission resources in a mapping cycle.
  • the transmission resources occupied by the PRACH carrying the first type of preamble in a mapping cycle will be used as one or more second available second ones occupied by the terminal equipment in the mapping cycle.
  • Transmission resources In combination with the location of one or more second available transmission resources within one mapping cycle determined by the network device, and the number of repeated transmissions of PRACH determined by the aforementioned network device, the network device can determine the position of one or more second available transmission resources in one or more mapping cycles. The second available transmission resources of each mapping cycle are used as the target transmission resources. After the network device determines the target transmission resource, it can perform demodulation processing based on the repeatedly transmitted PRACH received on the target transmission resource.
  • the specific processing method is not limited in this embodiment.
  • M second downlink signals Take M second downlink signals as M second SSBs, and the second parameter is SSB_per_RO as an example.
  • SSB_per_RO 2
  • one mapping cycle includes 4 ROs, and the number of repeated transmissions of PRACH Equal to 4
  • the M second SSBs are SSB 5 and SSB7 respectively
  • the second available transmission resources associated with SSB 5 and SSB7 are both the 3rd RO and the 4th RO within a mapping cycle
  • the The starting target RO is the third RO in the first mapping cycle, that is, RO1011, and the multiple targets RO are 1012, including: starting from the starting target RO in the first mapping cycle (including the starting target RO), the 4 ROs, 3rd RO and 4th RO in 2nd mapped loop.
  • SSB_per_RO 8
  • a mapping cycle only includes 1 RO
  • the number of repeated transmissions of PRACH is equal to 8
  • the M second SSBs are SSB1, SSB2, SSB3, SSB1, SSB2, SSB3 respectively.
  • the associated second available transmission resource is the only one RO within a mapping cycle; then the starting target RO among the multiple target ROs is RO 1021 within the first mapping cycle, and the multiple target ROs 1022 Including: 8 ROs in the 1st mapping cycle to the 8th mapping cycle.
  • the second parameter is less than 1.
  • the number of repeated transmissions of the PRACH is equal to one of the following: a third value; the third value is one or more of the M second downlink signals associated with each other in a mapping cycle. The sum of the numbers of multiple first available transmission resources; where M is a positive integer; a fourth value; the fourth value is equal to M multiplied by the second preset value.
  • the number of repeated transmissions of the PRACH is equal to a third value; the third value is the sum of the number of one or more first available transmission resources associated with M second downlink signals in a mapping cycle; where M is Positive integer.
  • the network device may not indicate one or more first available transmission resources respectively associated with the M second downlink signals, and the terminal device may use all available transmission resources associated with the M second downlink signals as the first available transmission resources. .
  • the number of all first available transmission resources associated with each second downlink signal is equal to the reciprocal of the second parameter, and the first available transmission resources associated with different second downlink signals are different; if the second parameter is expressed as N, then the number of all first available transmission resources associated with each second downlink signal in a mapping cycle is equal to 1/N, and the third value is equal to M times 1/N.
  • the second downlink signal is the second SSB
  • the second parameter is SSB-per-RO
  • the value of the SSB-per-RO is expressed as N
  • the number of repeated transmissions of the PRACH can be SSB_selected_number*(1 /N).
  • the network device may indicate one or more first available transmission resources that the M second downlink signals are respectively associated with, and the terminal device may determine, according to the instructions of the network device, that the M second downlink signals are associated with each other within a mapping cycle. one or more first available transmission resources.
  • the number of all first available transmission resources associated with each second downlink signal within a mapping cycle may be less than or equal to the reciprocal of the second parameter, the first available transmission resources associated with different second downlink signals are different, and The number of first available transmission resources associated with different second downlink signals may be the same or different. Therefore, the third value is the sum of the number of one or more first available transmission resources respectively associated with the M second downlink signals within one mapping cycle.
  • the number of repeated transmissions of the PRACH is equal to a fourth value; the fourth value is equal to M multiplied by the second preset value.
  • the second preset value can be set according to the actual situation, and can be 2, 4, 8, or larger or smaller, and is not exhaustive here.
  • the values of the second preset value and the aforementioned first preset value may be the same or different, and both are within the protection scope of this embodiment. It should be understood that the second preset value needs to be set in advance on both the terminal device and the network device.
  • the administrator may configure the second preset value on the terminal device and the network device respectively; for another example, the network device may determine the second preset value according to the protocol and then send it to the terminal through system broadcast or other information.
  • the terminal device so that the terminal device can obtain and save the second preset value in advance.
  • the second downlink signal is the second SSB
  • the second parameter is SSB-per-RO
  • the value of the SSB-per-RO is expressed as N
  • the number of repeated transmissions of the PRACH can be SSB_selected_number*second default value.
  • the second downlink signal is the second SSB
  • the value of the SSB-per-RO is expressed as N
  • the third value is equal to SSB_selected_number*(1/N)
  • the The four values are equal to SSB_selected_number*second preset value
  • the number of repeated transmissions of the PRACH can be min ⁇ SSB_selected_number*(1/N), SSB_selected_number*second preset value ⁇ .
  • the third value may need to be determined in combination with the number of one or more first available transmission resources associated with the M second downlink signals in one mapping cycle.
  • one or more first available transmission resources associated with each of the M second downlink signals within a mapping cycle include one of the following: the one mapping One or more available transmission resources associated with each of the M second downlink signals within the cycle; one or more available transmission resources associated with each of the M second downlink signals within the one mapping cycle Designated transmission resources; available transmission resources in the transmission resource subset associated with each of the M second downlink signals in the one mapping cycle; the M second downlink signals in the one mapping cycle The available transmission resources between the starting available transmission resources and the ending available transmission resources associated with each second downlink signal; wherein, the starting available transmission resources and/or ending available transmission resources associated with each second downlink signal , is the designated transmission resource associated with each second downlink signal.
  • one or more first available transmission resources associated with each of the M second downlink signals within a mapping cycle include: the one One or more available transmission resources associated with each of the M second downlink signals within the mapping cycle.
  • one or more available transmission resources associated with each second downlink signal within a mapping cycle may be determined by the terminal device based only on the second parameter, without combining with other information sent by the network device. Specifically, one or more available transmission resources associated with each second downlink signal within a mapping cycle may be determined based on the second parameter and the index number of each second downlink signal.
  • the processing of the terminal device may include: when the second parameter is less than 1, determining the number of transmission resources associated with a downlink signal based on the second parameter; determining a mapping based on the number of transmission resources associated with a downlink signal Multiple available transmission resources associated with each downlink signal within the cycle.
  • the terminal device may determine, based on the index number of each second downlink signal and the multiple available transmission resources associated with each downlink signal in a mapping cycle, the one associated with each second downlink signal in a mapping cycle. or multiple available transmission resources; one or more available transmission resources that are respectively associated with each second downlink signal in a mapping cycle are used as one or more first ones that are associated with each second downlink signal in a mapping cycle. Available transmission resources.
  • one or more available transmission resources associated with each second downlink signal within a mapping cycle may be determined based on the fourth information sent by the network device.
  • the processing by the network device may include: the network device sending fourth information, wherein the fourth information is used by the terminal device to determine the Mth in a mapping cycle when the second parameter is less than 1.
  • One or more available transmission resources associated with each of the two downlink signals may further include: the terminal device receiving fourth information, wherein the fourth information is used to determine the Mth in a mapping cycle when the second parameter is less than 1.
  • M second downlink signals are M second SSBs; when the value of the aforementioned second parameter (SSB-per-RO)N is less than 1, each SSB can be associated with 1/N ROs, but It is possible that not all ROs associated with each SSB can be used to send PRACH; in this case, the network device will further indicate to the terminal device through the fourth information one or more ROs associated with each of the M second SSBs.
  • available PRACH occurrences (RO); the one or more available ROs associated with each second SSB are at least part of the 1/N ROs associated with each second SSB.
  • the fourth information may include second indication information, and the second indication information includes one or more available transmission resources associated with each downlink signal in all downlink signals within a mapping cycle.
  • the fourth information includes: relevant information of each downlink signal, and index numbers corresponding to one or more available transmission resources associated with the downlink signal.
  • the terminal device may determine from the fourth information based on the relevant information respectively corresponding to the M second downlink signals, one or more associated with each second downlink signal among the M second downlink signals. Multiple transport resources available.
  • the relevant information of each downlink signal may be the number, identification, ID, index number, etc. of the downlink signal.
  • the fourth information includes a bitmap; the bitmap is used to indicate one or more available transmission resources associated with each of the M second downlink signals within a mapping cycle.
  • the bitmap is used to indicate one or more available transmission resources associated with each of multiple downlink signals within a mapping cycle; wherein the multiple downlink signals include the M second Downward signal.
  • the bitmap may specifically include sub-bitmaps corresponding to multiple downlink signals respectively; wherein the number of bits included in the sub-bitmap corresponding to each downlink signal may be equal to the number of transmission resources included in a mapping cycle;
  • Each downlink signal corresponds to a sub-bitmap, and each bit can correspond to a transmission resource; the value of each bit is used to indicate whether the transmission resource at the corresponding position is an available transmission resource for the downlink signal.
  • the first designated value is different from the second designated value, the first designated value is 0 and the second designated value is 1, or the first designated value is 1 and the second designated value is 0, or, further It can be set to other specified values, which are not exhaustive here, as long as both the terminal device and the network device adopt the same value meaning.
  • the terminal device may perform the following processing: based on the fourth information, the terminal device determines the i-th sub-bitmap associated with the i-th second downlink signal among the M second downlink signals, and converts the i-th sub-bitmap The transmission resource corresponding to the position where the value of the bit in the i sub-bitmap is the first specified value is used as the available transmission resource associated with the i-th second downlink signal.
  • i is a positive integer less than or equal to M.
  • the bitmap is a total bitmap. Since when the second parameter is less than 1, the transmission resources associated with different downlink signals are different, therefore, the number of bits included in the bitmap can be configured to be equal to the number of transmission resources included in one mapping cycle, only through the bitmap The value of each bit indicates whether the transmission resource at this position is an available transmission resource within a mapping cycle.
  • the terminal device may perform the following processing: the terminal device determines the bitmap included in the fourth information based on one or more transmission resources associated with the i-th second downlink signal among the M second downlink signals.
  • One or more bits at the corresponding position of the one or more transmission resources use the corresponding transmission resource at the position where the value of the one or more bits is the first specified value as the i-th second downlink Available transmission resources associated with the signal. For example, there are a total of 8 downlink signals, one mapping cycle includes 16 transmission resources, and the bitmap has a total of 16 bits.
  • each downlink signal is configured with an available transmission resource; if the i-th second downlink signal is the first downlink signal among all downlink signals, it can be determined that a mapping cycle
  • the second transmission resource is the available transmission resource of the i-th second downlink signal.
  • the i-th second downlink signal is any one of the M second downlink signals.
  • only the i-th second downlink signal is taken as an example. In fact, each of the M second downlink signals The processing of is the same as that of the i-th second downlink signal, and will not be described one by one.
  • first available transmission resources associated with each of the M second downlink signals within a mapping cycle based on the fourth information different second The number of first available transmission resources associated with downlink signals may be the same or different, because the network device may indicate different available transmission resources for different downlink signals according to actual conditions.
  • the aforementioned fourth information may be carried by any one of DCI, RRC signaling, etc.
  • the fourth information and the aforementioned second information may be carried by different messages.
  • the fourth information and the aforementioned second information may be carried by the same message, that is, the second information and the fourth information are included in one message at the same time.
  • the fourth information when DCI format 1_0 (i.e. carried by the first DCI) is used to carry the second information, the fourth information may be a pair of "Field 6" in DCI format 1_0 , PRACH mask index" is carried, and the information field "Field 6, PRACH mask index" needs to be redefined.
  • one or more first available transmission resources associated with each of the M second downlink signals within a mapping cycle include one of the following: The designated transmission resources associated with each of the M second downlink signals within the one mapping cycle; the designated transmission resources associated with each of the M second downlink signals within the one mapping cycle Available transport resources in a subset of transport resources.
  • the above designated transmission resources associated with each second downlink signal, or a subset of transmission resources associated with each second downlink signal may be determined by the terminal device based on the fourth information sent by the network device.
  • the fourth information can be carried by the first DCI; specifically, the fourth information is carried by "Field 6" of the first DCI, and the fourth information is specifically PRACH mask (mask) index ( The index number).
  • the value of the fourth information ie, PRACH mask index
  • PRACH mask index is used to determine the PRACH resource location based on the non-contention-based random access process.
  • the value of the fourth information Available transport resources associated with SSB 0 all 1 Transmission resource with index number 1 2 Transmission resource with index number 2 3 Transmission resource with index number 3 4 Transmission resource with index number 4 5 Transmission resource with index number 5 6 Transport resource with index number 6 7 Transport resource with index number 7 8 Transmission resource with index number 8 9 Transport resources with even index numbers 10 Transmission resources with odd index numbers
  • the transmission resource indicated by the index number is related to whether the index number is defined as 0 or 1 as the minimum value; for example, if the index number is 0, it is defined as the minimum value, then the transmission resource with index number 1 can refer to a mapping cycle. For the second transmission resource associated with an SSB, the index number 1 is defined as the minimum value.
  • the transmission resource with the index number 1 can refer to the first transmission resource associated with an SSB within a mapping cycle.
  • the PRACH mask index can be 0, which means that the network equipment only allocates preamble to the terminal device, but the PRACH occasion in the frequency domain still needs to be selected by the UE itself.
  • the transmission resource with index number 1 in the above Table 1 can be expressed as "RO index 1" (RO index number 1).
  • the expression method for other transmission resources with index numbers 2 to 8 is similar to the above, and will not be described one by one. .
  • the transmission resources with even index numbers in the above Table 1 can be expressed as "every even RO" (all even ROs); the transmission resources with odd index numbers in the above Table 1 can be expressed as "every odd RO” (all odd ROs).
  • the value of the fourth information can also have other reserved values.
  • the value of the fourth information can also include the values 11 to 15. These values may be reserved values, which are not limited in this embodiment.
  • the value of the fourth information is within the first value range, it is used to determine the transmission resource associated with each of the M second downlink signals within the one mapping cycle. subset; and/or, if the value of the fourth information is within the second value range, it is used to determine each of the M second downlink signals in the one mapping cycle.
  • the associated specified transport resource if the value of the fourth information is within the first value range, it is used to determine the transmission resource associated with each of the M second downlink signals within the one mapping cycle. subset; and/or, if the value of the fourth information is within the second value range, it is used to determine each of the M second downlink signals in the one mapping cycle.
  • the associated specified transport resource is different from the second value range.
  • the first value range may include 0, 9, and 10; the second value range may be 1 to 8.
  • the subset of transmission resources associated with each second downlink signal may include one or more available transmission resources.
  • the number of designated transmission resources associated with each second downlink signal may be one.
  • one or more first available transmission resources associated with each of the M second downlink signals within a mapping cycle include: the one The available transmission resources between the starting available transmission resource and the ending available transmission resource associated with each of the M second downlink signals in the mapping cycle.
  • the starting available transmission resources associated with each second downlink signal may be designated transmission resources.
  • the method for determining the designated transmission resources associated with each second downlink signal has been described in the foregoing embodiments and will not be described again here.
  • the available transmission resource at the end of each second downlink signal association may refer to the last transmission resource associated with the second downlink signal within a mapping cycle. For example, within a mapping cycle, there are 4 transmission resources associated with the i-th second downlink signal. Through the aforementioned fourth information, it can be determined that the designated transmission resource associated with the i-th second downlink signal is the second one.
  • the second transmission resource is used as the starting available transmission resource associated with the i-th second downlink signal, and the last transmission resource associated with the i-th second downlink signal, that is, the fourth transmission resource is used as The end available transmission resources associated with the i-th second downlink signal; one or more first available transmission resources associated with the i-th second downlink signal within a mapping cycle can ultimately be determined, including the i-th second downlink signal The second to fourth transmission resources associated with the signal.
  • the available transmission resources at the end of each second downlink signal association may be designated transmission resources.
  • the method for determining the designated transmission resources associated with each second downlink signal has been described in the foregoing embodiments and will not be described again here.
  • the starting available transmission resource associated with each second downlink signal may refer to the first transmission resource associated with the second downlink signal within a mapping cycle. For example, within a mapping cycle, there are 4 transmission resources associated with the i-th second downlink signal. Through the aforementioned fourth information, it can be determined that the designated transmission resource associated with the i-th second downlink signal is the second one.
  • the second transmission resource is regarded as the end available transmission resource associated with the i-th second downlink signal
  • the first transmission resource associated with the i-th second downlink signal is regarded as the i-th second downlink signal association
  • the initial available transmission resources; ultimately one or more first available transmission resources associated with the i-th second downlink signal within a mapping cycle can be determined, including the first transmission associated with the i-th second downlink signal resource to the 2nd transfer resource.
  • the value of the foregoing fourth information can be redefined. For example, it can be defined that when the value of the foregoing fourth information is within the second value range, it is used to determine two designated transmission resources, such as the value of the fourth information. When the value is 1, it is used to designate the first and second transmission resources as designated transmission resources. For example, when the value of the fourth information is 2, it is used to designate the first and fourth transmission resources as designated transmission resources. resources, etc., this is only an illustrative description and does not represent a limitation on the value of the fourth information. In this case, the starting available transmission resource and the ending available transmission resource associated with each second downlink signal may be two designated transmission resources.
  • the designated transmission resource associated with the i-th second downlink signal is the i-th second downlink signal.
  • 1 transmission resource and the 3rd transmission resource then the 1st transmission resource is used as the starting available transmission resource associated with the i-th second downlink signal, and the 3rd transmission resource is used as the i-th second downlink signal associated with End available transmission resources; finally, one or more first available transmission resources associated with the i-th second downlink signal within a mapping cycle can be determined, including the first transmission resource associated with the i-th second downlink signal to The third transmission resource.
  • the multiple target transmission resources include: multiple consecutive ones within one or more mapping cycles.
  • Transport resources Alternatively, the plurality of target transmission resources include: in one or more mapping cycles, one or more first available transmission resources associated with each of the M second downlink signals in each mapping cycle. .
  • the multiple target transmission resources include: multiple consecutive transmission resources within one or more mapping cycles.
  • the starting target transmission resource among the plurality of target transmission resources is the first first one associated with the first second downlink signal among the M second downlink signals in the first mapping cycle.
  • Available transmission resources within the first mapping cycle, the first first available transmission resource associated with the first second downlink signal among the M second downlink signals is one of the following: within the first mapping cycle, The first available transmission resource associated with the first second downlink signal among the M second downlink signals; within the first mapping cycle, the first available transmission resource associated with the first second downlink signal among the M second downlink signals The first available transmission resource in the transmission resource subset; within the first mapping cycle, the designated transmission resource associated with the first second downlink signal among the M second downlink signals.
  • the first second downlink signal may refer to the one with the smallest index number among the M second downlink signals.
  • one or more available transmission resources associated with each of the M second downlink signals are determined in a manner; here, the first mapping can be Within the cycle, the first available transmission resource associated with the first second downlink signal among the M second downlink signals is used as the starting target transmission resource of multiple target transmission resources.
  • the method for determining the transmission resource subset associated with each of the M second downlink signals within a mapping cycle has been described in the foregoing embodiments, and will not be described again here.
  • the first available transmission resource in the transmission resource subset associated with the first second downlink signal among the M second downlink signals can be used as the starting target transmission resource of the multiple target transmission resources. .
  • the specified transmission resource associated with the first of the M second downlink signals in the first mapping cycle may be used as the starting target transmission resource of the multiple target transmission resources. It should be noted that in the above embodiment, another possibility is to specify two designated transmission resources for each second downlink signal. In this case, the first second downlink signal in the first mapping cycle can be The first designated transport resource serves as the starting target transport resource for multiple target transport resources.
  • Which of the above methods is used to determine the starting target transmission resource can be configured by the network device for the terminal device, or it can be determined in advance by the terminal device and the network device, as long as the terminal device and the network device determine the starting target in the same way. Just transfer resources to the original target.
  • which of the above methods is used to determine the initial target transmission resource may or may not be related to the method of determining the number of repeated transmissions of PRACH.
  • the number of repeated transmissions of PRACH is equal to the fourth value.
  • the fourth value is equal to M multiplied by the second preset value, then the terminal device can determine the starting target transmission resource using any one of the above methods.
  • the repeated transmission resource of PRACH is equal to the third value.
  • the network device may be required to send fourth information to the terminal device to determine the first available transmission resource for each second downlink signal.
  • the method of determining the starting target transmission resource may be related to the content indicated by the fourth information; for example, assuming that the fourth information indicates the designated transmission resource associated with the second downlink signal, the aforementioned starting target transmission resource may be It is the designated transmission resource associated with the first second downlink signal in the first mapping cycle; other situations are similar and will not be exhaustive.
  • multiple consecutive transmission resources within one or more mapping cycles can be used as target transmission resources; it should be pointed out that, in addition to the starting target transmission resource, regardless of whether the remaining multiple transmission resources Associated with any one of the M second downlink signals, it can be used for repeated transmission of PRACH.
  • the PRACH When the terminal equipment performs repeated transmission of PRACH, the PRACH carries the first type of preamble. The description of the first type of preamble is the same as the previous embodiment and will not be described again.
  • the network equipment determines that the terminal equipment performs repeated transmission of PRACH, determines the number of repeated transmissions, and determines the target transmission resources in the same manner as the aforementioned method.
  • the second parameter is not less than 1 and the multiple target transmission resources are multiple consecutive transmission resources within one or more mapping cycles
  • the network device handles it in the same way, and no repeated explanation is given here.
  • the network device after the network device determines the target transmission resource, it can perform demodulation processing based on the repeatedly transmitted PRACH received on the target transmission resource.
  • the specific processing method is not limited in this embodiment.
  • the plurality of target transmission resources include: in one or more mapping cycles, one or more first available resources associated with each of the M second downlink signals in each mapping cycle.
  • Transport resources In this case, the starting target transmission resource of the plurality of target transmission resources is the first available one associated with the first second downlink signal among the M second downlink signals in the first mapping cycle.
  • Transport resources The method for determining one or more first available transmission resources associated with each of the M second downlink signals in each mapping cycle has been described in detail in the foregoing embodiments and will not be repeated here.
  • the PRACH When the terminal equipment performs repeated transmission of PRACH, the PRACH carries the first type of preamble.
  • the description of the first type of preamble is the same as the previous embodiment and will not be described again.
  • the way in which the network device determines that the terminal device performs repeated transmission of PRACH can be the same as in the previous embodiment, and will not be repeated here.
  • the network device After the network device determines that the terminal device performs repeated transmission of PRACH, it may further determine the number of repeated transmissions of PRACH and the target transmission resource.
  • the network device determines the number of repeated transmissions of the PRACH and determines the target transmission resource in the same manner as the terminal device, and no repeated explanation is given.
  • the method by which the network equipment determines the number of repeated transmissions of the PRACH is the same as the processing method by the aforementioned terminal equipment, and no repeated description will be made.
  • the network device can use the transmission resource where the PRACH carrying the first type preamble is currently parsed as the target starting transmission resource; based on the mapping relationship between each downlink signal and the transmission resource in a mapping cycle, determine The target initiates transmission of the downlink signal associated with the resource.
  • the network device can determine the only second downlink signal as long as it determines a downlink signal associated with the target initial transmission resource. Then the network device can determine one or more first available transmission resources for each mapping cycle in one or more mapping cycles based on the number of repeated transmissions of the PRACH, and use this part of the first available transmission resources as target transmission resources.
  • the method for determining one or more first available transmission resources associated with the second downlink signal is the same as the previous embodiment, and no repeated description will be made.
  • the network device may use a downlink signal associated with the previously determined target initial transmission resource as one of the M second downlink signals.
  • the network device can then combine a downlink signal associated with the target initial transmission resource with signals on the transmission resources associated with other possible downlink signals to obtain the PRACH analysis results for each combination; based on each The corresponding PRACH analysis results are combined to determine one or more possible transmission resources, and the downlink signals associated with the one or more possible transmission resources are used as the remaining M-1 second downlink signals.
  • the network device determines all M second downlink signals, it can determine one or more first available transmission resources for each mapping cycle in one or more mapping cycles in the same manner as in the previous embodiment. Finally, the network device can One or more first available transmission resources in each mapping cycle in one or more mapping cycles are used as one or more target transmission resources.
  • the network device can analyze whether there is a PRACH carrying the first type preamble on each transmission resource; and determine whether the PRACH carrying the first type preamble in a mapping cycle exists After one or more transmission resources occupied by the PRACH of the first-type preamble are determined, the network device determines, based on the mapping relationship, that the downlink signal associated with each transmission resource occupied by the PRACH carrying the first-type preamble will carry the first-type preamble.
  • the downlink signals associated with each transmission resource occupied by the PRACH of the code are used as M second downlink signals.
  • the network device After the network device determines all M second downlink signals, it can determine one or more first available transmission resources for each mapping cycle in one or more mapping cycles in the same manner as in the previous embodiment. Finally, the network device can One or more first available transmission resources in each mapping cycle in one or more mapping cycles are used as one or more target transmission resources.
  • the network device After the network device determines the target transmission resource, it can perform demodulation processing based on the repeatedly transmitted PRACH received on the target transmission resource.
  • the specific processing method is not limited in this embodiment.
  • the network device when the second parameter is less than 1 and the network device does not configure the aforementioned first parameter (that is, the parameter used to determine the number of repeated transmissions of PRACH) to the terminal device, determine the number of repeated transmissions of PRACH and determine multiple
  • the aforementioned first parameter that is, the parameter used to determine the number of repeated transmissions of PRACH
  • the terminal device regards all transmission resources associated with SSB as available transmission resources, then one or more first available transmission resources associated with SSB 1 are mapping cycles
  • a RO 1112 of the mapping cycle 1111 uses the RO 1112 as the starting target transmission resource among multiple target transmission resources.
  • the first available RO associated with SSB 2 is: RO 1122 of the first mapping cycle 1121, and this RO 1112 is used as the starting target transmission resource among multiple target transmission resources.
  • the arrangement of ROs within a mapping cycle is from low frequency to high frequency in the frequency domain and in time order in the time domain. That is, the ROs are arranged from low to high in the frequency domain at the earliest time domain position, and then The frequency domain at the next time domain position arranges RO from low to high, and so on, without going into details.
  • the multiple target transmission resources include multiple transmission resources that are continuous within one or more mapping cycles.
  • the starting target RO can be: the first available RO associated with SSB1, that is, RO 1211 in Figure 12; the multiple target ROs 1212 include: within the first mapping cycle, the starting target RO starts and continues thereafter of 3 ROs.
  • a mapping cycle includes 32 ROs, and the number of repeated transmissions of PRACH is equal to 8.
  • the M second SSBs include SSB 2 and SSB4; multiple target ROs
  • the starting target RO can be: the first available RO associated with SSB2, that is, RO 1221 in Figure 12; the multiple target ROs 1222 include: within the first mapping cycle, the starting target RO starts and continues thereafter of 7 RO.
  • a mapping cycle includes 16 ROs, the number of repeated transmissions of PRACH is equal to 4, and the M second SSBs include SSB 1 and SSB2; the first associated with SSB 1
  • the available transmission resources are the 1st RO to the 2nd RO within a mapping cycle; the first available transmission resource associated with SSB 2 is the 3rd RO to the 4th RO within a mapping cycle; the origin of multiple target ROs
  • the initial target RO can be: the first available RO associated with SSB1, that is, RO 1311 in Figure 13; the multiple target ROs 1312 include: the first RO to the fourth RO in the first mapping cycle.
  • a mapping cycle includes 32 ROs, and the number of repeated transmissions of PRACH is equal to 8.
  • the M second SSBs include SSB 2 and SSB4; the first SSB associated with SSB 2 An available transmission resource is the 5th RO to the 8th RO within a mapping cycle; the first available transmission resource associated with SSB 4 is the 13th RO to the 16th RO within a mapping cycle; then the multiple The starting target RO in the target RO is the 5th RO 1321 in the first mapping cycle.
  • the multiple target ROs 1322 include: the 5th RO to the 8th RO in the first mapping cycle, the 13th RO ⁇ the 16th RO.
  • the starting transmission resource is the specified transmission resource.
  • SSB_per_RO 1/2
  • a mapping cycle includes 16 ROs, the number of repeated transmissions of PRACH is equal to 4, and the M second SSBs include SSB 1 and SSB2; the designated transmission resource of SSB1 is The second RO
  • the starting target RO of multiple target ROs can be: the second RO associated with SSB1 in the first mapping cycle, that is, RO 1411 in Figure 14; the multiple target ROs include those in Figure 14
  • the dotted box in part 1410 the starting target RO and the second RO associated with SSB2 in the first mapping cycle, as well as the second RO associated with SSB1 and the second RO associated with SSB2 in the second mapping cycle. 2 RO.
  • SSB_per_RO 1/4
  • a mapping cycle includes 32 ROs, the number of repeated transmissions of PRACH is equal to 4, and the M second SSBs include SSB2 and SSB3; the designated transmission resource is each SSB
  • the third RO, and the one or more first available transmission resources associated with each second downlink signal are its designated transmission resources as the starting available transmission resources, and the last transmission resource associated with it as the ending available transmission resources.
  • the starting target RO of multiple target ROs can be: the third available RO 1421 associated with SSB2 in the first mapping cycle;
  • the multiple target ROs 1422 include: the starting target in the first mapping cycle RO, the 4th RO associated with SSB2, and the 3rd and 4th RO associated with SSB3.
  • the above descriptions are only illustrative and do not exhaust all possible situations.
  • the number of repeated transmissions of the PRACH may be determined based on network device configuration information.
  • the value indicated by the network device may be used to determine the number of repeated transmissions of the PRACH.
  • the network device may carry the fifth value in the first parameter in the second information.
  • the network device may indicate through other information.
  • the processing method of the network device further includes: the network device sends third information, the third information carries a fifth value, and the fifth value is used to determine the PRACH the number of repeated transmissions.
  • the processing method of the terminal device further includes: the terminal device receives third information, the third information carries a fifth value, and the fifth value is used to determine the number of repeated transmissions of the PRACH.
  • the terminal device may directly use the fifth value as the number of repeated transmissions of PRACH, that is, the number of repeated transmissions of PRACH is equal to the fifth value.
  • the network device directly indicates the number of repeated transmissions of PRACH on the terminal device side.
  • the starting target of the multiple target transmission resources may be: the first second available transmission resource within the first mapping cycle.
  • the plurality of target transmission resources may include the initial target transmission resource and subsequent consecutive transmission resources. At this time, regardless of whether the consecutive transmission resources after the initial target transmission resource are associated with the M second downlink signals, they can all be used as target transmission resources.
  • the plurality of target transmission resources may include: one or more second available transmission resources within each mapping cycle in one or more mapping cycles. The method for determining one or more second available transmission resources within a mapping cycle has been described in detail in the foregoing embodiments, and will not be repeated here.
  • the starting target transmission resource of the aforementioned plurality of target transmission resources may be: within the first mapping cycle, the first first available transmission resource associated with the first second downlink signal among the M second downlink signals .
  • the first first available transmission resource associated with the first of the M second downlink signals is determined in the same manner as in the previous embodiment. To elaborate.
  • the plurality of target transmission resources may include the initial target transmission resource and subsequent consecutive transmission resources. At this time, regardless of whether the consecutive transmission resources after the initial target transmission resource are associated with the M second downlink signals, they can all be used as target transmission resources.
  • the plurality of target transmission resources include: in one or more mapping cycles, one or more first available transmission resources associated with each of the M second downlink signals in each mapping cycle. . The method for determining one or more first available transmission resources associated with each second downlink signal has been described in the foregoing embodiments and will not be described again here.
  • the number of first available transmission resources associated with each second downlink signal may be equal to the fifth value divided by M, that is, the number of first available transmission resources associated with each second downlink signal may be Similarly, therefore, the first available transmission resource preferably applicable to each of the aforementioned second downlink signals is determined based on the transmission resource subset or designated transmission resource of each second downlink signal. Alternatively, the number of first available transmission resources for each second downlink signal may not be limited to be the same, and the fifth value is used to represent the sum of the number of first available transmission resources associated with all M second downlink signals. .
  • each target transmission resource is similar to the previous embodiment, and the illustration will not be repeated.
  • the PRACH when the terminal device performs repeated transmission of PRACH, the PRACH carries a first type of preamble; the first type of preamble is the same as the description of the previous embodiment.
  • the network device determines whether the terminal device performs repeated transmission of PRACH under different circumstances, and the manner in which the target transmission resource is determined is the same as in the foregoing embodiments, and will not be repeated.
  • the number of repeated transmissions of the PRACH is equal to the product of the fifth value and the sixth value.
  • the sixth value is configured by the network device, or is preset, or is related to a second parameter; wherein the second parameter is used to represent a downlink signal associated with a transmission resource. quantity.
  • the sixth value is configured by the network device or preset, and the sixth value can simply be understood as a multiple used in calculation. That is to say, after the network device is configured with the fifth value, the terminal device can use a multiple preconfigured by the network device or itself to multiply the fifth value to obtain the repeated transmission resources of PRACH.
  • the method for determining the starting target transmission resource and the method for determining the target transmission resource are as follows: Similarly, it is only necessary to replace the fifth numerical value in the foregoing embodiment with the product of the fifth numerical value and the sixth numerical value, and the description will not be repeated here.
  • the sixth numerical value is one of the following: when the second parameter is not less than 1, it is equal to the first preset value; In the case where the second parameter is not less than 1, it is equal to the second parameter.
  • the relevant description of the first preset value is the same as the previous embodiment and will not be described again.
  • the several possible values of the sixth value can also be understood as the terminal equipment can select different multiples to calculate the number of repeated transmissions of the PRACH.
  • the second parameter is not less than 1, one or more second downlink signals are associated with the same second available transmission resource.
  • the determination method of the starting target transmission resource of the target transmission resource Regarding the determination method of the starting target transmission resource of the target transmission resource, the determination method of the target transmission resource, and The aforementioned various implementations in which the second parameter is not greater than 1 when only using the fifth value are similar. It is only necessary to replace the fifth value in the previous implementation with the product of the fifth value and the sixth value. This will not be repeated here. illustrate.
  • the sixth numerical value is one of the following: when the second parameter is less than 1, it is equal to M times the second preset value; where M is the number of second downlink signals, and M is a positive integer; when the second parameter is less than 1, it is equal to M times the reciprocal of the second parameter; when the second parameter is less than 1 Down, equal to M.
  • M the number of second downlink signals
  • M the number of second downlink signals
  • M can be used as a multiple of the fifth value, which does not mean that the number of first available transmission resources associated with each second downlink signal must be controlled as the fifth value; or, M can be used as the fifth value.
  • the sixth numerical value is understood as the number of second downlink signals, and the corresponding fifth numerical value represents the number of first available transmission resources associated with each second downlink signal.
  • the terminal device itself determines the first available transmission resource for each second downlink signal, it can be: from multiple transmission resources associated with each second downlink signal Among them, the fifth numerical available transmission resource is arbitrarily selected as the first available transmission resource associated with the second downlink signal; or, the third available transmission resource with the smallest index number can be selected from among the multiple transmission resources associated with each second downlink signal. Five values of available transmission resources are used as the first available transmission resources associated with the second downlink signal.
  • the network device may indicate or configure the fifth numerical first available transmission resource associated with each second downlink signal for the terminal device. Transport resources.
  • the second parameter is less than 1
  • one or more second downlink signals are associated with the same second available transmission resource, and the method for determining the starting target transmission resource and the method for determining the target transmission resource are the same as those mentioned above.
  • the various implementations in which the second parameter is greater than 1 when only using the fifth value are similar. It is only necessary to replace the fifth value in the foregoing implementation with the product of the fifth value and the sixth value, and the description will not be repeated here.
  • the PRACH when the terminal device performs repeated transmission of PRACH, the PRACH carries a first type of preamble; the first type of preamble is the same as the description of the previous embodiment.
  • the network device determines whether the terminal device performs repeated transmission of PRACH under different circumstances, and the manner in which the target transmission resource is determined is the same as in the foregoing embodiments, and will not be repeated.
  • the way in which the network device determines the number of repeated transmissions of the PRACH is the same as the previous description of this embodiment, so the description will not be repeated.
  • the fifth value is the number of mapping cycles occupied by repeated transmission of PRACH; wherein the second parameter is It represents the number of downlink signals associated with a transmission resource.
  • the network device instructing the terminal device to perform repeated transmission of the PRACH in the fifth numerical mapping cycle.
  • the terminal device itself determines the number of first available transmission resources or the number of second available transmission resources used in each mapping cycle as the sixth value; by multiplying the sixth value and the fifth value, the fifth value is obtained.
  • the sixth value is equal to the sum of the number of one or more first available transmission resources respectively associated with the M second downlink signals within one mapping cycle.
  • the plurality of target transmission resources include: in the fifth number of mapping cycles, one or more of the M second downlink signals associated with each of the M second downlink signals in each mapping cycle.
  • a plurality of first available transmission resources that is, the number of mapping loops is the specified fifth value.
  • the sixth value is equal to the number of one or more second available transmission resources within a mapping cycle; wherein, the one or more second available transmission resources Each second available transmission resource among the transmission resources is associated with one or more second downlink signals among the M second downlink signals.
  • the plurality of target transmission resources include: one or more second available transmission resources within each mapping cycle in the fifth number of mapping cycles. That is, the number of mapping loops is the specified fifth value.
  • the method for determining each second available transmission resource has been described in detail in the previous embodiments, and will not be described again here. The method for determining the starting target transmission resource of the target transmission resource is the same as other implementations in the case where the second parameter is not less than 1, and therefore will not be described again.
  • the PRACH when the terminal device performs repeated transmission of PRACH, the PRACH carries a first type of preamble; the first type of preamble is the same as the description of the previous embodiment.
  • the network device determines whether the terminal device performs repeated transmission of PRACH under different circumstances, and the manner in which the target transmission resource is determined is the same as in the foregoing embodiments, and will not be repeated.
  • the way in which the network device determines the number of repeated transmissions of the PRACH is the same as the previous description of this embodiment, so the description will not be repeated.
  • the fifth value configured by the network device is the number of specified mapping cycles. Therefore, after determining the target transmission resource within a mapping cycle, the network device only determines the target transmission resource in the aforementioned fifth value. Within the mapping cycle, the PRACH on the target transmission resource in each mapping cycle is received, parsed and processed.
  • a mapping cycle includes 32 ROs, the fifth value is equal to 1, and the M second SSBs include SSB2 and SSB3; the one or more first available transmission resources associated with each second downlink signal (ie, SSB2 or SSB3) are For all available transmission resources, the number of first available transmission resources associated with each SSB is 4, and the sum of the number of first available transmission resources associated with SSB2 and SSB3 in each mapping cycle is 8, then the number of repeated transmissions of PRACH is equal to 8;
  • the starting target RO of multiple target ROs can be: the first available RO associated with SSB2 in the first mapping cycle; the multiple target RO 1511 includes: the 4th RO associated with SSB2 in the first mapping cycle RO, and
  • a mapping cycle includes 16 ROs, the fifth value is equal to 2, and the M second SSBs include SSB 1; each second downlink signal is associated with the first The number of available transmission resources is 2, then the number of repeated transmissions of PRACH is 2 times 2 equal to 4; the starting target RO of multiple target ROs can be: the first RO associated with SSB1 in the first mapping cycle; Multiple target ROs include those in the dotted box in part 1521 in Figure 15: the two ROs associated with SSB1 in the first mapping cycle, and the two ROs associated with SSB1 in the second mapping cycle.
  • a mapping cycle includes 8 ROs, the fifth value is equal to 4, and the M second SSBs include SSB 1 and SSB2; each second downlink signal is associated with a second Available transmission resources, then the number of repeated transmissions of PRACH is 2 times 4 equal to 8; the starting target RO of multiple target ROs can be: the first RO in the first mapping cycle; the multiple target ROs include the figure In the dotted box in part 1531 of 15: 1 RO associated with SSB1 and SSB2 in the first mapping cycle to the fourth mapping cycle.
  • a mapping cycle includes 4 ROs, the fifth value is equal to 8, M second SSBs include SSB 1, SSB2; 2 second downlink signals are associated with a second Available transmission resources, that is, each mapping cycle includes a second available transmission resource, then the number of repeated transmissions of PRACH is 8 times 1 equal to 8; the starting target RO of multiple target ROs can be: the first mapping The first RO in the cycle; the multiple target ROs include the first RO in the dotted box in part 1541 in Figure 15: the first mapping cycle to the eighth mapping cycle.
  • a mapping cycle includes 1 RO, the fifth value is equal to 8, and the M second SSBs include SSB 1, SSB2, and SSB3; the 3 second downlink signals are associated with the same A second available transmission resource, that is, each mapping cycle includes a second available transmission resource, then the number of repeated transmissions of PRACH is 8 times 1 equal to 8; the starting target RO of multiple target ROs can be: The first RO in the first mapping cycle; the multiple target ROs include one RO in the dotted box in part 1551 in Figure 15: the first to the eighth mapping cycle.
  • the terminal device can determine whether to perform repeated transmission of PRACH based on the results obtained by its own processing.
  • the terminal equipment can add the function of enabling repeated transmission of PRACH, and then perform repeated transmission of PRACH when needed.
  • the coverage of PRACH can be enhanced, thereby improving the transmission performance of PRACH.
  • FIG. 16 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • the terminal equipment may include:
  • the first processing unit 1601 is configured to determine whether to perform repeated transmission of the physical random access channel PRACH based on first information; wherein the first information is processed by the terminal device.
  • the first processing unit is configured to perform repeated transmission of PRACH on multiple target transmission resources when it is determined to perform repeated transmission of PRACH; wherein the number of multiple target transmission resources is equal to the number of repeated transmissions of PRACH. are the same, and each target transmission resource among the plurality of target transmission resources is used for one PRACH transmission.
  • the first processing unit is configured to determine to perform repeated transmission of the PRACH when the first information satisfies a first condition.
  • the first information includes a transmission result of the last PRACH transmission; the first processing unit is configured to determine that the first condition is met when the transmission result of the last PRACH transmission is a transmission failure.
  • the first processing unit is configured to perform one of the following: when the PRACH was transmitted last time and a random access response RAR was not received, determine that the transmission result of the PRACH last time was a transmission failure; PRACH and no conflict resolution message is received, it is determined that the transmission result of the last PRACH transmission is a transmission failure.
  • the first information includes the measurement result of the first downlink signal; the first processing unit is configured to determine that the first condition is met when the measurement result of the first downlink signal is less than a first threshold value. .
  • the first threshold value is preset, or determined by the terminal device, or configured by the network device.
  • the first threshold is configured for network equipment, it is carried by one of the following: feature combination preamble; random access channel RACH public configuration parameters; public configuration parameters of message msg A; beam failure recovery configuration; RACH public msg A configuration parameter in the configuration parameters.
  • the first threshold value is determined by the terminal device
  • the first threshold value is determined based on the second threshold value; wherein the second threshold value is configured by the network device.
  • the terminal equipment further includes: a first communication unit 1602, used to receive second information; the second information is used by the terminal equipment to determine whether to repeat PRACH. transmission.
  • the first processing unit is configured to instruct when the first information satisfies a first condition, the second information includes first indication information, and the first indication information is used to indicate turning on repeated transmission of PRACH. , determine to perform repeated transmission of PRACH.
  • the value of the first indication information is the first value, it is used to indicate turning on the repeated transmission of PRACH; or, when the transmission type of PRACH included in the first indication information is the repeated transmission type, it is used to indicate Indicates to enable repeated transmission of PRACH.
  • the first processing unit is configured to determine to perform repeated transmission of PRACH when the second information includes a first threshold value and the first information satisfies a first condition; wherein the first gate
  • the limit value is the threshold value related to the measurement result of the downlink signal.
  • the first processing unit is configured to determine to perform repeated transmission of PRACH when the first information satisfies a first condition and the value of the first parameter indicated by the second information is a valid value; wherein, The value of the first parameter is used to determine the number of repeated transmissions of the PRACH.
  • the number of repeated transmissions of the PRACH is related to a second parameter, where the second parameter is used to represent the number of downlink signals associated with one transmission resource.
  • the number of repeated transmissions of the PRACH is equal to one of the following: a first value, and the first value is equal to M times the second parameter; where M is the 2.
  • the number of downlink signals, M is a positive integer; the second value is equal to M multiplied by the first preset value.
  • the number of repeated transmissions of the PRACH is equal to one of the following: a third value; the third value is one or more of the M second downlink signals associated with each other in a mapping cycle.
  • the number of repeated transmissions of the PRACH is equal to the minimum value of the third value and the fourth value.
  • the first communication unit is configured to receive third information, where the third information carries a fifth value, and the fifth value is used to determine the number of repeated transmissions of the PRACH.
  • the value of the first parameter includes a fifth value, and the fifth value is used to determine the number of repeated transmissions of the PRACH.
  • the number of repeated transmissions of the PRACH is equal to the fifth value.
  • the number of repeated transmissions of the PRACH is equal to the product of the fifth value and the sixth value.
  • the sixth value is configured by the network device or is preset.
  • the sixth numerical value is related to a second parameter; wherein the second parameter is used to represent the number of downlink signals associated with a transmission resource;
  • the sixth numerical value is one of the following: when the second parameter is not less than 1, it is equal to the first preset value; when the second parameter is not less than 1, it is equal to the second parameter.
  • the sixth numerical value is related to the second parameter; wherein the second parameter is used to represent the number of downlink signals associated with a transmission resource; the sixth numerical value is one of the following: when the second parameter is less than 1 In this case, it is equal to M times the second preset value; where M is the number of second downlink signals, and M is a positive integer; when the second parameter is less than 1, it is equal to M times the reciprocal of the second parameter. ; In the case where the second parameter is less than 1, it is equal to M.
  • the sixth numerical value is related to the second parameter; wherein the second parameter is used to represent the number of downlink signals associated with one transmission resource; and the fifth numerical value is the number of mapping cycles occupied by repeated transmission of PRACH.
  • the sixth value is equal to the sum of the number of one or more first available transmission resources respectively associated with the M second downlink signals within one mapping cycle.
  • the sixth value is equal to the number of one or more second available transmission resources within a mapping cycle; wherein each of the one or more second available transmission resources The second available transmission resources are associated with one or more second downlink signals among the M second downlink signals.
  • the multiple target transmission resources include: multiple consecutive transmission resources within one or more mapping cycles.
  • the plurality of target transmission resources include: in one or more mapping cycles, one or more first available transmission resources associated with each of the M second downlink signals in each mapping cycle.
  • the plurality of target transmission resources include: one or more second available transmission resources in each mapping cycle in one or more mapping cycles; wherein each of the one or more second available transmission resources The two available transmission resources are associated with one or more second downlink signals among the M second downlink signals.
  • the plurality of target transmission resources include: in the fifth number of mapping cycles, one or more first available transmission resources associated with each of the M second downlink signals in each mapping cycle .
  • the plurality of target transmission resources include: in the fifth number of mapping cycles, one or more second available transmission resources within each mapping cycle.
  • the starting target transmission resource among the plurality of target transmission resources is the first first available transmission resource associated with the first second downlink signal among the M second downlink signals in the first mapping cycle;
  • the first first available transmission resource associated with the first second downlink signal among the M second downlink signals is one of the following: within the first mapping cycle, The first available transmission resource associated with the first second downlink signal among the M second downlink signals; within the first mapping cycle, the first available transmission resource associated with the first second downlink signal among the M second downlink signals The first available transmission resource in the transmission resource subset; within the first mapping cycle, the designated transmission resource associated with the first second downlink signal among the M second downlink signals.
  • the starting target transmission resource among the plurality of target transmission resources is the first second available transmission resource in the first mapping cycle.
  • one or more first available transmission resources associated with each of the M second downlink signals within a mapping cycle include one of the following: the one mapping One or more available transmission resources associated with each of the M second downlink signals within the cycle; one or more available transmission resources associated with each of the M second downlink signals within the one mapping cycle Designated transmission resources; available transmission resources in the transmission resource subset associated with each of the M second downlink signals in the one mapping cycle; the M second downlink signals in the one mapping cycle The available transmission resources between the starting available transmission resources and the ending available transmission resources associated with each second downlink signal; wherein, the starting available transmission resources and/or ending available transmission resources associated with each second downlink signal , is the designated transmission resource associated with each second downlink signal.
  • a first communication unit configured to receive fourth information; wherein the fourth information is used to determine each of the M second downlink signals within a mapping cycle when the second parameter is less than 1.
  • One or more available transmission resources associated with the downlink signal are provided.
  • the fourth information includes a bitmap; the bitmap is used to indicate one or more available transmission resources associated with each of the M second downlink signals within a mapping cycle.
  • the value of the fourth information is used to determine the transmission resource subset associated with each of the M second downlink signals within the one mapping cycle; And/or, if the value of the fourth information is within the second value range, it is used to determine the designation of the association of each of the M second downlink signals within the one mapping cycle. Transport resources.
  • the one or more second available transmission resources include: within the one mapping cycle, one available transmission resource associated with each of the M second downlink signals; wherein, An available transmission resource associated with each second downlink signal is determined based on the second parameter when the second parameter is not less than 1.
  • the mapping cycle includes: transmission resources mapped by multiple downlink signals; the multiple downlink signals include the M second downlink signals.
  • the M second downlink signals are downlink signals used by the terminal equipment.
  • the M second downlink signals are indicated by the fifth information.
  • the first processing unit is configured to select the M second downlink signals from the multiple downlink signals based on the measurement results corresponding to the multiple downlink signals; where M is configured by the network device, or is preset. set.
  • the first processing unit is configured to perform one of the following: selecting M second downlink signals with the largest measurement results from the plurality of downlink signals; among the plurality of downlink signals, there is a measurement result greater than the first gate signal.
  • M second downlink signals are determined based on the downlink signals whose measurement results are greater than the first threshold value.
  • the downlink signal includes: synchronization signal block SSB, or channel state information reference signal CSI-RS.
  • the transmission resource is a PRACH opportunity.
  • the PRACH is used to carry the first type of preamble;
  • the first type of preamble is the preamble used when performing repeated transmission of PRACH;
  • the first type of preamble is a preamble code. settings, or network device configuration.
  • the terminal device in the embodiment of the present application can implement the corresponding functions of the terminal device in the foregoing method embodiment.
  • each module (sub-module, unit or component, etc.) in the terminal device please refer to the corresponding description in the above method embodiment, and will not be described again here.
  • the functions described for each module (sub-module, unit or component, etc.) in the terminal device of the application embodiment can be implemented by different modules (sub-module, unit or component, etc.), or can be implemented by the same module. (Submodule, unit or component, etc.) implementation.
  • FIG. 18 is a schematic block diagram of a network device according to an embodiment of the present application.
  • This network equipment can include:
  • the second communication unit 1801 is used to receive the physical random access channel PRACH; wherein whether the PRACH is a repeated transmission is determined by the terminal device based on the first information, and the first information is processed by the terminal device. owned.
  • the second communication unit is configured to receive repeatedly transmitted PRACH on multiple target transmission resources; wherein the number of the multiple target transmission resources is the same as the number of repeated transmissions of the PRACH, and among the multiple target transmission resources Each target transmission resource is used to receive PRACH once.
  • the network device also includes: a second processing unit 1802, configured to parse the preamble carried in the PRACH after receiving the PRACH sent by the terminal device; when the preamble carried by the PRACH is the first type of preamble Next, the network device determines that the terminal device performs repeated transmission of PRACH, and receives the PRACH repeatedly transmitted by the terminal device on the plurality of target transmission resources through the second communication unit; wherein, the first type of preamble It is a preamble used by the terminal device for repeated transmission of PRACH; the first type of preamble is preset, or the network device is configured for the terminal device.
  • a second processing unit 1802 configured to parse the preamble carried in the PRACH after receiving the PRACH sent by the terminal device; when the preamble carried by the PRACH is the first type of preamble Next, the network device determines that the terminal device performs repeated transmission of PRACH, and receives the PRACH repeatedly transmitted by the terminal device on the plurality of target transmission resources through the second communication unit; wherein, the first
  • the second communication unit is configured to configure a first threshold value for the terminal device through one of the following, where the first threshold value is a threshold value related to the measurement result of the downlink signal: feature combination preamble ; Random access channel RACH public configuration parameters; public configuration parameters of message msg A; beam failure recovery configuration; msg A-specific configuration parameters in RACH public configuration parameters.
  • the second communication unit is used to configure a second threshold value for the terminal device, and the second threshold value is used by the terminal device to determine the first threshold value.
  • the second communication unit is configured to send second information to the terminal device; the second information is used by the terminal device to determine whether to perform repeated transmission of the PRACH.
  • the second information includes first indication information; wherein, when the value of the first indication information is the first value, it is used to indicate starting repeated transmission of PRACH; or, the first indication information includes When the transmission type of PRACH is the repeated transmission type, it is used to indicate turning on the repeated transmission of PRACH.
  • the second information includes a first threshold value; wherein the first threshold value is a threshold value related to the measurement result of the downlink signal.
  • the second information is used to indicate the value of the first parameter, and the value of the first parameter is used by the terminal equipment to determine the number of repeated transmissions of the PRACH.
  • the number of repeated transmissions of the PRACH is related to a second parameter, where the second parameter is used to represent the number of downlink signals associated with one transmission resource.
  • the number of repeated transmissions of the PRACH is equal to one of the following: a first value, and the first value is equal to M times the second parameter; where M is the 2.
  • the number of downlink signals, M is a positive integer; the second value is equal to M multiplied by the first preset value.
  • the number of repeated transmissions of the PRACH is equal to one of the following: a third value; the third value is one or more of the M second downlink signals associated with each other in a mapping cycle.
  • the number of repeated transmissions of the PRACH is equal to the minimum value of the third value and the fourth value.
  • the second communication unit is configured to send third information to the terminal device, where the third information carries a fifth value, and the fifth value is used to determine the number of repeated transmissions of the PRACH.
  • the value of the first parameter includes a fifth value, and the fifth value is used to determine the number of repeated transmissions of the PRACH.
  • the number of repeated transmissions of the PRACH is equal to the fifth value.
  • the number of repeated transmissions of the PRACH is equal to the product of the fifth value and the sixth value.
  • the sixth value is configured by the network device for the terminal device, or is preset.
  • the sixth numerical value is related to the second parameter; wherein the second parameter is used to represent the number of downlink signals associated with a transmission resource; the sixth numerical value is one of the following: when the second parameter is not less than 1 If , it is equal to the first preset value; if the second parameter is not less than 1, it is equal to the second parameter.
  • the sixth numerical value is related to the second parameter; wherein the second parameter is used to represent the number of downlink signals associated with a transmission resource; the sixth numerical value is one of the following: when the second parameter is less than 1 In this case, it is equal to M times the second preset value; where M is the number of second downlink signals, and M is a positive integer; when the second parameter is less than 1, it is equal to M times the reciprocal of the second parameter. ; In the case where the second parameter is less than 1, it is equal to M.
  • the sixth numerical value is related to the second parameter; wherein the second parameter is used to represent the number of downlink signals associated with one transmission resource; and the fifth numerical value is the number of mapping cycles occupied by repeated transmission of PRACH.
  • the sixth value is equal to the sum of the number of one or more first available transmission resources respectively associated with the M second downlink signals within one mapping cycle.
  • the sixth value is equal to the number of one or more second available transmission resources within a mapping cycle; wherein each of the one or more second available transmission resources The second available transmission resources are associated with one or more second downlink signals among the M second downlink signals.
  • the multiple target transmission resources include: multiple consecutive transmission resources within one or more mapping cycles.
  • the plurality of target transmission resources include: in one or more mapping cycles, one or more first available transmission resources associated with each of the M second downlink signals in each mapping cycle.
  • the plurality of target transmission resources include: one or more second available transmission resources in each mapping cycle in one or more mapping cycles; wherein each of the one or more second available transmission resources is The two available transmission resources are associated with one or more second downlink signals among the M second downlink signals.
  • the plurality of target transmission resources include: one or more first available transmission resources associated with each of the M second downlink signals within each of the fifth mapping cycles. .
  • the plurality of target transmission resources include: in the fifth number of mapping cycles, one or more second available transmission resources within each mapping cycle.
  • the starting target transmission resource among the plurality of target transmission resources is the first first available transmission resource associated with the first second downlink signal among the M second downlink signals in the first mapping cycle;
  • the first first available transmission resource associated with the first second downlink signal among the M second downlink signals is one of the following: within the first mapping cycle, The first available transmission resource associated with the first second downlink signal among the M second downlink signals; within the first mapping cycle, the first available transmission resource associated with the first second downlink signal among the M second downlink signals The first available transmission resource in the transmission resource subset; within the first mapping cycle, the designated transmission resource associated with the first second downlink signal among the M second downlink signals.
  • the starting target transmission resource among the plurality of target transmission resources is the first second available transmission resource in the first mapping cycle.
  • the second communication unit is configured to send fourth information to the terminal device, where the fourth information is used by the terminal device to determine the M second parameters within a mapping cycle when the second parameter is less than 1.
  • One or more available transmission resources associated with each second downlink signal in the downlink signal are configured to send fourth information to the terminal device, where the fourth information is used by the terminal device to determine the M second parameters within a mapping cycle when the second parameter is less than 1.
  • the fourth information includes a bitmap; the bitmap is used to indicate one or more available transmission resources associated with each of the M second downlink signals within a mapping cycle.
  • the terminal device determines the transmission resource sub-assembly associated with each of the M second downlink signals within the one mapping cycle. set; and/or, when the value of the fourth information is within the second value range, it is used by the terminal equipment to determine each of the M second downlink signals in the one mapping cycle.
  • the specified transport resource associated with the signal is used by the terminal device to determine the transmission resource sub-assembly associated with each of the M second downlink signals within the one mapping cycle.
  • the mapping cycle includes: transmission resources mapped by multiple downlink signals; the multiple downlink signals include the M second downlink signals.
  • the second communication unit is configured to send fifth information to the terminal device, where the fifth information is used to indicate M second downlink signals.
  • the downlink signal includes: synchronization signal block SSB, or channel state information reference signal CSI-RS.
  • the transmission resource is a PRACH opportunity.
  • the network device in the embodiment of the present application can implement the corresponding functions of the network device in the foregoing method embodiment.
  • the network device may also include a second processing unit, which may be used to determine the number of repeated transmissions of the PRACH and target transmission resources, etc., but it is not illustrated in the figure. illustrate.
  • a second processing unit which may be used to determine the number of repeated transmissions of the PRACH and target transmission resources, etc., but it is not illustrated in the figure. illustrate.
  • each module (sub-module, unit or component, etc.) in the network device of the application embodiment can be implemented by different modules (sub-module, unit or component, etc.), or can be implemented by the same module. (Submodule, unit or component, etc.) implementation.
  • Figure 19 is a schematic structural diagram of a communication device 1900 according to an embodiment of the present application.
  • the communication device 1900 includes a processor 1910, and the processor 1910 can call and run a computer program from the memory, so that the communication device 1900 implements the method in the embodiment of the present application.
  • communication device 1900 may also include memory 1920.
  • the processor 1910 can call and run the computer program from the memory 1920, so that the communication device 1900 implements the method in the embodiment of the present application.
  • the memory 1920 may be a separate device independent of the processor 1910, or may be integrated into the processor 1910.
  • the communication device 1900 may also include a transceiver 1930, and the processor 1910 may control the transceiver 1930 to communicate with other devices.
  • the communication device 1900 may send information or data to other devices, or receive information sent by other devices. information or data.
  • the transceiver 1930 may include a transmitter and a receiver.
  • the transceiver 1930 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 1900 can be a terminal device in the embodiment of the present application, and the communication device 1900 can implement the corresponding processes implemented by the terminal device in the various methods of the embodiment of the present application. For the sake of brevity, this is not mentioned here. Again.
  • the communication device 1900 may be a network device according to the embodiment of the present application, and the communication device 1900 may implement the corresponding processes implemented by the network device in the various methods of the embodiment of the present application. For the sake of brevity, the communication device 1900 will not be mentioned here. Again.
  • Figure 20 is a schematic structural diagram of a chip 2000 according to an embodiment of the present application.
  • the chip 2000 includes a processor 2010, and the processor 2010 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • chip 2000 may also include memory 2020.
  • the processor 2010 can call and run the computer program from the memory 2020 to implement the method executed by the terminal device or network device in the embodiment of the present application.
  • the memory 2020 may be a separate device independent of the processor 2010 , or may be integrated into the processor 2010 .
  • the chip 2000 may also include an input interface 2030.
  • the processor 2010 can control the input interface 2030 to communicate with other devices or chips. Specifically, it can obtain information or data sent by other devices or chips.
  • the chip 2000 may also include an output interface 2040.
  • the processor 2010 can control the output interface 2040 to communicate with other devices or chips. Specifically, it can 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. For the sake of brevity, details will not be repeated here. .
  • 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 the various methods of the embodiment of the present application. For the sake of simplicity, they will not be described again. .
  • the chips used in terminal equipment and network equipment can be the same chip or different chips. It should be understood that the chips mentioned in the embodiments of this application may also be called system-on-chip, system-on-a-chip, system-on-chip or system-on-chip, etc.
  • the processor mentioned above can be a general-purpose processor, a digital signal processor (DSP), an off-the-shelf 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 off-the-shelf programmable gate array
  • ASIC application specific integrated circuit
  • the above-mentioned general processor may be a microprocessor or any conventional processor.
  • non-volatile memory may be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
  • non-volatile memory can be read-only memory (ROM), programmable ROM (PROM), erasable programmable read-only memory (erasable PROM, EPROM), electrically removable memory. Erase electrically programmable read-only memory (EPROM, EEPROM) or flash memory.
  • Volatile memory can be random access memory (RAM).
  • the memory in the embodiment of the present application can 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, memories in embodiments of the present application are intended to include, but are not limited to, these and any other suitable types of memories.
  • FIG. 21 is a schematic block diagram of a communication system 2100 according to an embodiment of the present application.
  • the communication system 2100 includes a terminal device 2110 and a network device 2120.
  • the terminal device 2110 is used to perform the above communication method; the network device 2120 is used to perform the above communication method.
  • the terminal device 2110 can be used to implement the corresponding functions implemented by the terminal device in the above method
  • the network device 2120 can be used to implement the corresponding functions implemented by the network device in the above method.
  • no further details will be given here.
  • the computer program product includes one or more computer instructions.
  • 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 in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted over a wired connection from a website, computer, server, or data center (such as coaxial cable, optical fiber, Digital Subscriber Line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) means to transmit to another website, computer, server or data center.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server or data center integrated with one or more available media.
  • the available media may be magnetic media (eg, floppy disk, hard disk, tape), optical media (eg, DVD), or semiconductor media (eg, Solid State Disk (SSD)), etc.
  • the size of the sequence numbers of the above-mentioned processes does not mean the order of execution.
  • the execution order of each process should be determined by its functions and internal logic, and should not be used in the embodiments of the present application.
  • the implementation process constitutes any limitation.

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Abstract

本申请涉及一种通信方法、终端设备和网络设备。该方法包括：终端设备基于第一信息，确定是否进行物理随机接入信道PRACH的重复传输；其中，所述第一信息为所述终端设备处理得到的。

Description

通信方法、终端设备和网络设备 技术领域
本申请涉及通信领域，更具体地，涉及一种通信方法、终端设备和网络设备。
背景技术
覆盖范围是运营商在进行蜂窝通信网络商业化时考虑的关键因素之一，在一些研究项目中，对PUSCH(物理上行共享信道，Physical Uplink Shared CHannel)、PUCCH(物理上行控制信道，Physical Uplink Control CHannel)和Msg3(消息3)的覆盖进行了扩展。然而，如何对PRACH(物理随机接入信道，Physical Random Access CHannel)进行覆盖增强，就成为需要解决的问题。
发明内容
本申请实施例提供一种通信方法、终端设备和网络设备。
本申请实施例提供一种通信方法，包括：
终端设备基于第一信息，确定是否进行物理随机接入信道PRACH的重复传输；其中，所述第一信息为所述终端设备处理得到的。
本申请实施例提供一种通信方法，包括：
网络设备接收物理随机接入信道PRACH；其中，所述PRACH是否为重复传输，为终端设备基于第一信息确定的，所述第一信息为所述终端设备处理得到的。
本申请实施例提供一种终端设备，包括：
第一处理单元，用于基于第一信息，确定是否进行物理随机接入信道PRACH的重复传输；其中，所述第一信息为所述终端设备处理得到的。
本申请实施例提供一种网络设备，包括：
第二通信单元，用于接收物理随机接入信道PRACH；其中，所述PRACH是否为重复传输，为终端设备基于第一信息确定的，所述第一信息为所述终端设备处理得到的。
本申请实施例提供一种终端设备，包括处理器和存储器。该存储器用于存储计算机程序，该处理器用于调用并运行该存储器中存储的计算机程序，以使该终端设备执行上述的通信方法。
本申请实施例提供一种网络设备，包括处理器和存储器。该存储器用于存储计算机程序，该处理器用于调用并运行该存储器中存储的计算机程序，以使该网络设备执行上述的通信方法。
本申请实施例提供一种网络设备，包括处理器和存储器。该存储器用于存储计算机程序，该处理器用于调用并运行该存储器中存储的计算机程序，以使该网络设备执行上述的通信方法。
本申请实施例提供一种芯片，用于实现上述的通信方法。
具体地，该芯片包括：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上述的通信方法。
本申请实施例提供一种计算机可读存储介质，用于存储计算机程序，当该计算机程序被设备运行时使得该设备执行上述的通信方法。
本申请实施例提供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上述的通信方法。
本申请实施例提供一种计算机程序，当其在计算机上运行时，使得计算机执行上述的通信方法。
本申请实施例提供一种通信系统，包括：终端设备，用于执行上述的通信方法；网络设备，用于执行上述的通信方法。
在本申请实施例中，终端设备基于自身处理得到的结果，就可以确定是否进行PRACH的重复传输。如此，可以使得终端设备增加使能PRACH的重复传输的功能，进而在需要的时候进行PRACH的重复传输，在进行PRACH的重复传输的情况下可以增强PRACH的覆盖，从而提升PRACH的传输性能。
附图说明
图1是根据本申请实施例的应用场景的示意图。
图2是一种PRACH资源的时域配置的示意图。
图3是一种PRACH频率域的资源配置的示意图。
图4是SSB与RO的映射关系的示意图。
图5是根据本申请一实施例的通信方法的示意性流程图。
图6是根据本申请另一实施例的通信方法的示意性流程图。
图7是根据本申请一实施例的DCI格式1_0的组成示意图。
图8～图15是根据本申请实施例的多个目标传输资源的组成样式的多种示例图。
图16是根据本申请一实施例的终端设备的示意性框图。
图17是根据本申请另一实施例的终端设备的示意性框图。
图18是根据本申请一实施例的网络设备的示意性框图。
图19是根据本申请实施例的通信设备示意性框图。
图20是根据本申请实施例的芯片的示意性框图。
图21是根据本申请实施例的通信系统的示意性框图。
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。
本申请实施例的技术方案可以应用于各种通信系统，例如：全球移动通讯(Global System of Mobile communication，GSM)系统、码分多址(Code Division Multiple Access，CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)系统、通用分组无线业务(General Packet Radio Service，GPRS)、长期演进(Long Term Evolution，LTE)系统、先进的长期演进(Advanced long term evolution，LTE-A)系统、新无线(New Radio，NR)系统、NR系统的演进系统、非授权频谱上的LTE(LTE-based access to unlicensed spectrum，LTE-U)系统、非授权频谱上的NR(NR-based access to unlicensed spectrum，NR-U)系统、非地面通信网络(Non-Terrestrial Networks，NTN)系统、通用移动通信系统(Universal Mobile Telecommunication System，UMTS)、无线局域网(Wireless Local Area Networks，WLAN)、无线保真(Wireless Fidelity，WiFi)、第五代通信(5th-Generation，5G)系统或其他通信系统等。通常来说，传统的通信系统支持的连接数有限，也易于实现，然而，随着通信技术的发展，移动通信系统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)，车辆间(Vehicle to Vehicle，V2V)通信，或车联网(Vehicle to everything，V2X)通信等，本申请实施例也可以应用于这些通信系统。在一种实施方式中，本申请实施例中的通信系统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。在一种实施方式中，本申请实施例中的通信系统可以应用于非授权频谱，其中，非授权频谱也可以认为是共享频谱；或者，本申请实施例中的通信系统也可以应用于授权频谱，其中，授权频谱也可以认为是非共享频谱。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、下一代通信系统例如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。在本申请实施例中，终端设备可以部署在陆地上，包括室内或室外、手持、穿戴或车载；也可以部署在水面上(如轮船等)；还可以部署在空中(例如飞机、气球和卫星上等)。在本申请实施例中，终端设备可以是手机(Mobile Phone)、平板电脑(Pad)、带无线收发功能的电脑、虚拟现实(Virtual Reality，VR)终端设备、增强现实(Augmented Reality，AR)终端设备、工业控制(industrial control)中的无线终端设备、无人驾驶(self driving)中的无线终端设备、远程医疗(remote medical)中的无线终端设备、智能电网(smart grid)中的无线终端设备、运输安全(transportation safety)中的无线终端设备、智慧城市(smart city)中的无线终端设备或智慧家庭(smart home)中的无线终端设备等。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。
在本申请实施例中，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网络中的网络设备或者NTN网络中的网络设备等。作为示例而非限定，在本申请实施例中，网络设备可以具有移动特性，例如网络设备可以为移动的设备。可选地，网络设备可以为卫星、气球站。例如，卫星可以为低地球轨道(low earth orbit，LEO)卫星、中地球轨道(medium earth orbit，MEO)卫星、地球同步轨道(geostationary earth orbit，GEO)卫星、高椭圆轨道(High Elliptical Orbit，HEO)卫星等。可选地，网络设备还可以为设置在陆地、水域等位置的基站。在本申请实施例中，网络设备可以为小区提供服务，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示例性地示出了一种通信系统100。该通信系统包括一个网络设备110和两个终端设备120。在一种实 施方式中，该通信系统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。在一种实施方式中，该通信系统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。其中，网络设备又可以包括接入网设备和核心网设备。即无线通信系统还包括用于与接入网设备进行通信的多个核心网。接入网设备可以是长期演进(long-term evolution，LTE)系统、下一代(移动通信系统)(next radio，NR)系统或者授权辅助接入长期演进(authorized auxiliary access long-term evolution，LAA-LTE)系统中的演进型基站(evolutional node B，简称可以为eNB或e-NodeB)宏基站、微基站(也称为“小基站”)、微微基站、接入站点(access point，AP)、传输站点(transmission point，TP)或新一代基站(new generation Node B，gNodeB)等。应理解，本申请实施例中网络/系统中具有通信功能的设备可称为通信设备。以图1示出的通信系统为例，通信设备可包括具有通信功能的网络设备和终端设备，网络设备和终端设备可以为本申请实施例中的具体设备，此处不再赘述；通信设备还可包括通信系统中的其他设备，例如网络控制器、移动管理实体等其他网络实体，本申请实施例中对此不做限定。应理解，本文中术语“系统”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。
一、NR(新无线，New Radio)中PRACH(物理随机接入信道，Physical Random Access CHannel)信道设计：NR支持4种长序列的preamble(前导码)格式(长度均为839)，其中格式0、1沿用LTE的格式，格式0用于典型宏小区的覆盖，格式1用于超大小区覆盖，格式2采用更多的序列重复用于覆盖增强，格式3应用于高速移动场景，如高铁。另外，NR还支持A、B、C三个系列的短preamble格式，适应于不同的应用场景。
二、NR中PRACH资源的配置：(1)PRACH资源的周期，一方面，PRACH资源的周期影响随机接入时延，较短的PRACH周期可以缩短随机接入时延；反之，较长的PRACH周期导致随机接入时延增大。另一方面，PRACH资源的周期也影响PRACH所占的资源开销。NR的一个鲜明特点是需要支持波束扫描，为支持分布于在各个波束的UE的随机接入请求，系统需要针对每一个波束方向配置相应的PRACH资源。因此，NR标准支持{10,20,40,80,160}ms的PRACH周期，网络设备可以权衡时延、系统开销等多方面因素，设定合适的PRACH周期。(2)PRACH资源的时域配置，为了确定PRACH的时域资源，在确定PRACH周期的基础上，还需要进一步确定在PRACH周期内PRACH资源的时域分布。在FR1，PRACH资源配置信息中指示PRACH资源所在的一个或多个子帧的子帧编号；而对于FR2，为了指示资源的便利，以60KHz子载波间隔为参考时隙指示PRACH资源所在的一个或多个参考时隙的时隙编号。在FR1的一个子帧对应一个15KHz的PRACH时隙，或两个30KHz的PRACH时隙(如图2所示，一个子帧对应两个PRACH时隙)；在FR2的一个参考60KHz的参考时隙内对应一个60KHz的PRACH时隙，或两个120KHz的PRACH时隙(如图2所示，一个时隙对应两个PRACH时隙)。在每一个PRACH时隙之内，如图2所示，网络可以配置一个或多个RO(PRACH Occasion，PRACH时机)，所谓PRACH Occasion即为承载Preamble传输的时频资源。进一步地，由于NR支持DL/UL混合的时隙结构，网络可配置在PRACH时隙之内，第一个PRACH occasion所占用的时域资源的起始符号，当在PRACH时隙之内的靠前的符号需要传输下行控制信息时，则可通过配置合适的起始符号预留对应的下行控制信息传输所需要的资源。(3)PRACH频率域的资源配置，在频率域上，NR支持配置1、2、4或8个FDM(Frequency-division multiplexing，频分复用)的PRACH资源，以扩充PRACH容量，当在频率域上配置的PRACH资源为1个以上时，这些PRACH资源在频率域连续分布。如图3所示，FDM个数等于4，也就是在频率域上配置的PRACH资源为4个。网络通知频率域上第一个RO资源的起始PRB相对于BWP(带宽部分，Bandwidth Part)的起始物理资源块(physical resource block，PRB)(即图3所示的BWP PRB 0)的偏移。
三、PRACH传输的发起：在物理层随机接入过程开始之前：层1会从高层(higher layer)接收到一个SS/PBCH(同步信号和物理广播信道，Synchronization Signal and Physical Broadcast Channel)块的索引集合，并且向高层提供一个相应的RSRP(Reference Signal Receiving Power，参考信号接收功率)测量结果；层1可以从高层接收执行Type-1(类型-1)随机接入或者Type-2(类型-2)随机接入的指示；层1从高层接收下述信息：(1)PRACH传输参数的配置，比如，包括PRACH preamble格式、PRACH传输的时域资源和频域资源等等；(2)PRACH preamble序列确定根序列和循环移位的参数，比如可以包括逻辑根序列表的index、循环移位(Ncs)、集合类型(unrestricted、restricted set A、或者restricted set B)等等；当收到高层或者PDCCH命令请求的PRACH传输时，开始发起随机接入过程。如果随机接入过程是由PDCCH命令发起的，则PRACH传输的SCS(sub-carrier space，子载波间隔)与高层指示的SCS相同。触发随机接入过程的方式有以下3种：PDCCH命令触发：gNB通过特殊的DCI(Downlink Control Information，下行控制信息)format(格式)1_0告诉UE需要重新发起随机接入过程；MAC(Media Access Control,介质访问控制)层触发：UE自己选择preamble发起随机接入过程；RRC(Radio  Resource Control，无线资源控制)层触发：如初始接入、重建、切换、RRC_INACTIVE(非激活)转换到RRC_CONNECTED(连接)态、请求其他SI(System Information，系统消息)、RRC在同步重配时的请求等。
四、SSB(同步信号块，Synchronization Signal Block)与PRACH Occasion的映射：在UE发起随时接入之前，UE对小区的信号质量以及小区中的各个SSB的信号强度会进行测量评估。在发起PRACH时，UE在对应信号最强或较强的SSB所对应的PRACH occasion上发送preamble。网络若成功接收preamble，就基于preamble所在PRACH occasion获知UE的下行波束信息，进而使用该波束信息进行后续通信，例如msg2、msg4等。SSB与PRACH occasion(即RO)之间存在多种可能的比例关系：1)一对一映射；2)多对一映射；3)一对多映射。考虑支持多样化的场景，这三种比例关系在NR标准中均得到支持。例如，在用户较少的场景，可以支持多个SSB对应同一个PRACH occasion以节省PRACH资源，而多个SSB分享同一个PRACH Occasion内的preamble，即不同的SSB对应同一个PRACH Occasion内的不同的preamble子集；在用户较多的场景，可以支持一个SSB对应多个PRACH occasion以提供足够的PRACH容量。系统中有多个实际传输的SSB以及多个配置的PRACH occasion和相应的preamble资源，网络与UE均需要获知每一个SSB与哪些PRACH occasion以及相应的preamble资源对应。在NR中SSB与RO的映射采用频域优先的设计，具体如下：每一个PRACH occasion之内依据preamble索引递增的顺序；依据FDM的PRACH occasion的编号递增的顺序；在一个PRACH slot内依据时分复用的PRACH occasion的编号递增的顺序；依据PRACH slot的递增顺序。对于基站仅能接收单个波束的场景，可将频分复用的多个PRACH occasion配置为对应同一个SSB。以8个SSB，PRACH_FDM＝4(频分复用4个RO)为例进行说明。图4给出了不同SSB_per_RO(1/4,1/2,1,2,8)时的SSB与RO的映射关系。如图4所示的401部分，假设系统的全部SSB一共有8个SSB，在PRACH_FDM＝4、SSB_per_RO(即一个传输资源关联的SSB的数量)＝1/4，表示一个SSB映射到4个RO，由于PRACH_FDM＝4，则1个SSB可以映射到一个时域RO(频域上由4个RO组成)，由于该时域RO频分复用为4个频域RO，因此一个SSB映射到同一个时域上的4个频域RO，比如图4中的401部分，SSB1映射到第一个时域的4个频域RO上，SSB2映射到第二个时域的4个频域RO等等，不进行一一赘述。假设系统的全部SSB一共有8个SSB，在PRACH_FDM＝4、SSB_per_RO(即一个传输资源关联的SSB的数量)＝1/2，则2个SSB映射到一个时域RO，由于该时域RO频分复用为4个频域RO，因此一个SSB映射到同一个时域上的2个频域RO，比如图4的402部分，SSB1映射到第一个时域的2个频域RO上，SSB2映射到第一个时域的2个频域RO，且SSB2位于SSB1之后，不进行一一赘述。假设系统的全部SSB一共有8个SSB，在PRACH_FDM＝4、SSB_per_RO(即一个传输资源关联的SSB的数量)＝1，则4个SSB映射到一个时域RO，由于该时域RO频分复用为4个频域RO，因此一个SSB映射到一个时域上的1个频域RO，比如图4的403部分，SSB1映射到第一个时域的第1个频域RO上，SSB2映射到第一个时域的第2个频域RO，且SSB2位于SSB1之后，不进行一一赘述。假设系统的全部SSB一共有8个SSB，在PRACH_FDM＝4、SSB_per_RO(即一个传输资源关联的SSB的数量)＝2，则8个SSB映射到一个时域RO，由于该时域RO频分复用为4个频域RO，因此2个SSB映射到一个时域上的1个频域RO，比如图4的404部分，SSB1和SSB2同时映射到第一个时域的第1个频域RO上，不进行一一赘述。假设系统的全部SSB一共有8个SSB，在PRACH_FDM＝4、SSB_per_RO(即一个传输资源关联的SSB的数量)＝8，则8个SSB映射到一个时域RO，且8个SSB映射到一个时域上的1个频域RO，比如图4的405部分，SSB1～SSB8同时映射到第一个时域的1个频域RO上，不进行一一赘述。
五、发送preamble的PRACH资源选择：PRACH mask index(掩码索引)用于确定基于非竞争的随机接入过程的PRACH资源位置。基于非竞争的PRACH mask index配置方式有4种：1)由消息4中参数PRACH-ConfigDedicated(专用配置)->ra-ssb-OccasionmaskIndex指示；2)由消息4中参数BeamFailureRecoveryConfig(波束失败恢复配置)->ra-ssb-OccassionMakIndex指示；3)由SIB1(系统消息块1，System Information Block1)中SI-SchedulingInfo(调度信息)->SI-RequestResources(请求资源)->ra-ssb-OccassionMakIndex指示；4)由PDCCH order通过DCI format 1_0中PRACH mask index指示。覆盖范围是运营商在进行蜂窝通信网络商业化时考虑的关键因素之一，因为它直接影响服务质量以及资本支出和运营成本。在实际部署的大多数场景中，UL性能可能是瓶颈，而在一些垂直用例中，UL流量很大，例如视频上传。在Rel-17研究项目900061“NR覆盖增强”中，对“860036”研究项目“NR覆盖增强研究”中确定的一些瓶颈通道，特别是PUSCH、PUCCH和Msg3的NR覆盖进行了扩展。然而，由于Rel-17WID的范围有限，并不是覆盖范围增强的所有需求都得到了满足。PRACH传输在许多过程中都是非常重要的，例如初始接入和波束失效恢复。因此，如何提高PRACH的覆盖性能就成为需要解决的问题。
图5是根据本申请一实施例的通信方法500的示意性流程图。该方法包括以下内容的至少部分内容：
S510、终端设备基于第一信息，确定是否进行物理随机接入信道PRACH的重复传输；其中，所述第一信息为所述终端设备处理得到的。
图6是根据本申请一实施例的通信方法600的示意性流程图。该方法包括以下内容的至少部分内容：
S610、网络设备接收物理随机接入信道PRACH；其中，所述PRACH是否为重复传输，为终端设备基于第一信息确定的，所述第一信息为所述终端设备处理得到的。
前述实施例中，所述网络设备可以为接入网设备，比如，可以是gNB、eNB、基站等等，不对其进行穷举。
所述终端设备基于第一信息，确定是否进行PRACH的重复传输，可以包括：所述终端设备在所述第一信息满足第一条件的情况下，确定进行PRACH的重复传输。另外，还可以包括：所述终端设备在所述第一信息 不满足第一条件的情况下，确定不进行PRACH的重复传输。
在一种可能的实施方式中，终端设备仅根据第一信息是否满足第一条件，来确定是否进行PRACH的重复传输。
可选地，所述终端设备处理指的是终端设备上一次传输PRACH；相应的，所述第一信息包括：上一次传输PRACH的传输结果；确定第一信息是否满足第一条件，可以包括：所述终端设备在所述上一次传输PRACH的传输结果为传输失败的情况下，确定满足第一条件。这里，传输PRACH可以指的是在PRACH上的前导码(Preamble)的传输；该前导码可以是4步随机接入的msg(消息)1中的前导码，或者可以是2步随机接入的msgA中的前导码。也就是说，本申请实施例可以应用于4步随机接入流程也可以应用于2步随机接入。关于终端设备确定上一次传输PRACH的传输结果的方式，可以包括以下之一：所述终端设备在上一次传输PRACH后未接收到对应的随机接入响应(RAR，Random Access Response)的情况下，确定所述上一次传输PRACH的传输结果为传输失败；所述终端设备在上一次传输PRACH后未接收到对应的冲突解决消息的情况下，确定所述上一次传输PRACH的传输结果为传输失败。也就是说，终端设备在上一次传输PRACH后，若没有接收到RAR、冲突解决消息中任意之一，可以确定上一次传输PRACH的传输结果为传输失败。在一些场景中，前述冲突解决消息还可以称为竞争解决或竞争解决消息。
结合不同随机接入处理的流程举例来说：在4步随机接入流程中，终端设备一次传输PRACH(即向网络设备发送Msg 1)之后，如果终端设备在RAR窗口内没有接收到网络设备回复的RAR，则认为此次传输PRACH的传输结果为传输失败；如果终端设备在RAR窗口内成功接收到一个RAR且该RAR消息中携带的前导码的索引与终端设备发送的Msg 1中的前导码的索引相同，则终端设备向网络设备发送Msg 3；终端设备若正确接收Msg 4并确定Msg4中指示自身完成竞争解决(Contention Resolution)，则确定本次传输PRACH的传输结果为成功，否则，确定本次传输PRACH的传输结果为传输失败。在2步随机接入流程中，终端设备一次传输PRACH(即向网络设备发送Msg A)之后，如果终端设备没有接收到网络设备发送的MsgB(该MsgB用于携带RAR和/或冲突解决消息)，则确定本次传输PRACH的传输结果为传输失败；如果终端设备接收到网络设备发送的MsgB，则确定本次传输PRACH的传输结果为传输成功。
可选地，所述终端设备处理指的是终端设备对第一下行信号进行测量；相应的，所述第一信息包括：第一下行信号的测量结果；确定第一信息是否满足第一条件，可以包括：所述终端设备在所述第一下行信号的测量结果小于第一门限值的情况下，确定满足第一条件。
第一下行信号的测量结果的获取方式，可以是：终端设备在发起接入之前，对第一下行信号进行测量，得到第一下行信号的测量结果。该第一下行信号的测量结果，可以采用以下至少之一表示：RSRP(Reference Signal Receiving Power，参考信号接收功率)、RSRQ(Reference Signal Receiving Quality，参考信号接收强度)、RSSI(Received Signal Strength Indicator，接收信号强度指示)。前述第一下行信号的数量可以为一个或多个。该第一下行信号可以为终端设备的全部下行信号，或者，该第一下行信号中指的是终端设备全部下行信号中的部分指定下行信号。关于前述第一下行信号的测量结果还需要说明的是，在第一下行信号不是终端设备的全部波束上的全部下行信号时，终端设备可以保持测量全部下行信号，但是仅将其中的部分下行信号作为第一下行信号，也就是该第一信息中仅包括部分下行信号(即第一下行信号)的测量结果。所述第一下行信号的测量结果，为：对所述终端设备的下行波束对应的第一下行信号测量得到的；或者，对所述终端设备的指定下行波束对应的第一下行信号测量得到的；或者，对所述终端设备的指定下行波束对应的第一下行信号得到的。
其中，所述第一下行信号的测量结果，为对所述终端设备的下行波束对应的下行信号测量得到的；具体可以指的是：所述终端设备可以对所有下行波束对应的第一下行信号进行测量；相应的，当所有下行波束分别对应的第一下行信号的测量结果均小于第一门限值时，终端设备确定满足第一条件；否则，确定不满足第一条件。这里，所有下行波束可以指的是终端设备确定自身使用的全部波束；比如在随机接入为CBRA(Contention Based Random Access，基于争用的随机接入)的情况下，终端设备会确定自身使用的波束(即自身使用的全部波束)。这种情况下，该第一下行信号，可以为终端设备能够测量的全部下行信号。
其中，所述第一下行信号的测量结果，为对所述终端设备的指定下行波束对应的下行信号测量得到的；具体可以指的是：所述终端设备可以对指定下行波束对应的第一下行信号进行测量；相应的，当指定下行波束对应的第一下行信号的测量结果均小于第一门限值时，终端设备确定满足第一条件；否则，确定不满足第一条件。这种情况下，该第一下行信号，可以为终端设备在一个或多个指定下行波束能够测量的全部下行信号。所述第一下行信号的测量结果，为对所述终端设备的指定下行波束对应的指定下行信号得到的；具体可以指的是：所述终端设备可以对指定下行波束对应的指定第一下行信号进行测量；相应的，当指定下行波束对应的指定第一下行信号的测量结果小于第一门限值时，终端设备确定满足第一条件；否则，确定不满足第一条件。这种情况下，该第一下行信号，可以为终端设备在一个或多个指定下行波束中每个指定下行波束上的指定下行信号。上述终端设备的指定下行波束可以为网络设备指示的；比如，在随机接入为CFRA(Contention Free Random Access，无竞争的随机接入)的情况下，网络设备会为终端设备指示波束；本实施例中，将网络设备为终端设备指示的波束称为该终端设备的指定下行波束。上述指定下行波束对应的指定下行信号，也可以为网络设备指示的；比如，在随机接入为CFRA的情况下，网络设备在为终端设备指示波束的基础上，还可能为终端设备指示该波束对应的测量信号；本实施例中，将网络设备为终端设备指示的波束对应的测量信号称为指定下行波束对应的指定下行信号。
本实施例中，下行信号具体为下行参考信号，可以包括以下至少之一：SSB(同步信号块，Synchronization Signal Block)、CSI-RS(Channel State Information-Reference Signal，信道状态信息参考信号)。进一步地，本实施例中所述下行信号除了可能为以上两种类型中至少之一外，还可以包括以下至少之一：DMRS(DeModulation Reference Signal即解调参考信号)、PT-RS(Phase-tracking reference signal，相位跟踪参考信号)等等。这里不对全部可能的下行信号的类型进行穷举。
所述第一门限值，可以为预设的，或终端设备确定的，或网络设备配置的。
该第一门限值可以与相关协议中规定的任何门限均不相同，也就是该第一门限值为专门用于判断是否进行PRACH的重复传输的门限值。该第一门限值还可以被称为以下任意之一：专用的PRACH重复传输门限值、专用的PRACH重复传输RSRP门限值、专用的msg1重复传输RSRP门限值、msg1RSRP门限值(rsrp-ThresholdMsg1)、rsrp-ThresholdPreamble(前导码RSRP门限值)、rsrp-ThresholdPRACH(PRACH RSRP门限值)、重复传输RSRP门限值(rsrp-ThresholdRepetition)等等；这里不对全部可能的名称进行穷举。该第一门限值为网络设备配置的情况下，该网络设备的处理还可以包括：所述网络设备向所述终端设备配置第一门限值；所述第一门限值用于终端设备对第一下行信号检测结果进行判断，以确定是否进行PRACH的重复传输。该第一门限值，可以由以下之一携带：特征组合前导码(FeatureCombinationPreambles)；随机接入信道RACH公共配置参数(RACH-ConfigCommon)；消息msg A的公共配置参数(MsgA-ConfigCommon)；波束失败恢复配置(BeamFailureRecoveryConfig)；RACH公共配置参数中的msg A配置参数(RACH-ConfigCommonTwoStepRA)。
所述第一门限值为终端设备确定的情况下，所述第一门限值为基于第二门限值确定的；其中，所述第二门限值为网络设备配置的。也就是，网络设备的处理还可以包括：所述网络设备向所述终端设备配置第二门限值，所述第二门限值用于终端设备确定所述第一门限值。这里，所述第二门限值可以指的是相关协议中规定的门限值，比如该第二门限值可以为以下任意之一：rsrp-ThresholdSSB，即用来进行4步随机接入中SSB(同步信号块,Synchronization Signal Block)选择的RSRP门限值；rsrp-ThresholdCSI-RS，即用来进行4步随机接入的CSI-RS选择的RSRP门限值；msgA-RSRP-ThresholdSSB，即用来进行2步随机接入的SSB选择的RSRP门限值；rsrp-ThresholdSSB-SUL，即在正常上行链路(normal uplink,NUL)载波和补充上行链路(SUL,supplementary uplink)载波中进行选择的RSRP门限值；msgA-RSRP-Threshold，即当在UL BWP(带宽部分，BankWidth Part)中的随机接入资源中同时配置了2步随机接入和4步随机接入时，进行2步随机接入或4步随机接入选择的RSRP门限值；rsrp-ThresholdMsg3，即确定进行Msg3repetition(重复传输)的RSRP门限值。
可选地，所述第一门限值为终端设备确定的情况下，该第一门限值可以直接为第二门限值。也就是终端设备可以直接复用相关协议中规定的门限值(即前述第二门限值)。
可选地，所述第一门限值为终端设备确定的情况下，该第一门限值可以为基于第二门限值计算得到的。
示例性的，前述计算可以是基于门限调整系数和/或门限调整偏移值，对第二门限值进行计算得到的。举例来说，该第一门限值，可以等于门限调整系数与第二门限值相乘；或者，该第一门限值可以等于门限调整偏移值与第二门限值相加或相减；或者，该第一门限值，可以等于门限调整偏移值与第二门限值相加或相减得到的结果，与门限调整系数相乘的结果；又或者，该第一门限值，可以等于第二门限值与门限调整系数相乘的结果，与门限调整偏移值相加或相减得到的结果。其中，门限调整系数可以为大于等于1的正数、也可以为小于1的正数；门限调整偏移值可以大于等于0也可以小于0。
前述门限调整系数和/或门限调整偏移值，可以为预设的，或者网络设备配置的。若该门限调整系数和/或门限调整偏移值为预设的，可以指的是该门限调整系数和/或门限调整偏移值为协议约定，并预先保存在终端设备中的。在前述门限调整系数和/或门限调整偏移值为网络设备配置的情况下，可以是由以下之一携带：特征组合前导码(FeatureCombinationPreambles)；随机接入信道RACH公共配置参数(RACH-ConfigCommon)；消息msg A的公共配置参数(MsgA-ConfigCommon)；波束失败恢复配置(BeamFailureRecoveryConfig)；RACH公共配置参数中的msg A配置参数(RACH-ConfigCommonTwoStepRA)。或者，前述门限调整系数和/或门限调整偏移值为网络设备配置的情况下，可以是由其他消息或信令携带，比如系统消息、DCI、RRC消息、MAC CE中任意之一，这里不对其进行穷举。
可选地，若第一信息仅包括第一下行信号的测量结果，则终端设备在发起随机接入之前(也就是未进行初次PRACH传输之前)，测量得到第一下行信号的测量结果；将第一下行信号的测量结果与第一门限值进行比较，若第一下行信号的测量结果均小于第一门限值，则确定满足第一条件，确定进行PRACH的重复传输；若存在一个或多个第一下行信号的测量结果不小于第一门限值，则确定不进行PRACH的重复传输。这种情况中，若确定进行PRACH的重复传输，则表示在初次传输PRACH的时候，就采用重复(repetition)传输的方式。若第一信息仅包括上一次传输PRACH的传输结果；则在终端设备已经进行了某次PRACH传输后，若确定上一次传输PRACH的传输结果为传输失败，则确定满足第一条件，可以确定下一次重传(retransmit)PRACH的时候，进行PRACH的重复(repetition)传输；否则不进行PRACH的重复传输。这种情况中，终端设备的初次PRACH传输可以为不使用重复传输的方式进行的传输。若第一信息包括上一次传输PRACH的传输结果和第一下行信号的测量结果，则终端设备在发起随机接入之前(也就是未进行初次PRACH传输之前)，测量得到第一下行信号的测量结果；将第一下行信号的测量结果与第一门限值进行比较，若第一下行信号的测量结果均小于第一门限值，则确定满足第一条件，确定进行PRACH的重复传输；这种情况下，可以是确定PRACH传输已经开启了 重复传输，则终端设备可以不再采用上一次传输PRACH的传输结果进行判断，而是保持若重传(retransmit)PRACH，就进行PRACH的重复(repetition)传输。若第一信息包括上一次传输PRACH的传输结果和第一下行信号的测量结果，并且终端设备确定一个或多个第一下行信号的测量结果不小于第一门限值，则确定初次传输PRACH的时候不进行PRACH的重复传输。进一步地，在终端设备初次传输PRACH后，若确定初次传输PRACH的传输结果为传输失败，则确定满足第一条件，可以确定从下一次重传(retransmit)PRACH开始，进行PRACH的重复(repetition)传输；否则不进行PRACH的重复传输。
采用上述实施方式，只要终端设备基于第一信息确定满足第一条件，则终端设备确定进行PRACH的重复传输。
在一些可能的实施方式中，终端设备除了基于第一信息是否满足第一条件判断是否进行PRACH的重复传输，进一步还可以结合网络设备发送的第二信息来判断是否进行PRACH的重复传输。
网络设备的处理还可以包括：网络设备发送第二信息，所述第二信息用于所述终端设备确定是否进行PRACH的重复传输；相应的，终端设备的处理，还包括：所述终端设备接收第二信息；所述第二信息用于所述终端设备确定是否进行PRACH的重复传输。前述第二信息用于所述终端设备确定是否进行PRACH的重复传输，该第二信息可以称为PRACH重复传输的指示(PRACH repetition indicator)信息，或PRACH重复传输的指示域；应理解，该第二信息在实际使用时还可以称为其他名称，比如PRACH repetition flag(PRACH重复传输标志位)、PRACH repetition enabled(PRACH重复传输使能)信息、msg1repetition indicator(msg1重复传输的指示)信息、msg1repetition flag(msg1重复传输的标志位)、msg1repetition enabled(msg1重复传输使能)信息等等，这里不对其全部可能的名称进行穷举。
在一种示例中，网络设备可以通过该第二信息显式指示终端设备是否进行PRACH的重复传输。
所述终端设备在所述第一信息满足第一条件的情况下，确定进行PRACH的重复传输，包括：所述终端设备在所述第一信息满足第一条件、所述第二信息中包括第一指示信息、且所述第一指示信息用于指示开启PRACH的重复传输的情况下，确定进行PRACH的重复传输。所述第二信息中包括第一指示信息；其中，所述第一指示信息的取值为第一值的情况下，用于指示开启PRACH的重复传输；或者，所述第一指示信息包括的PRACH的传输类型为重复传输类型的情况下，用于指示开启PRACH的重复传输。也就是前述第二信息中的该第一指示信息可以携带使能(enable)开关、或者携带PRACH的传输类型。
前述第一指示信息的取值可以表示使能开关，即可以用于显示指示终端设备是否开启PRACH的重复传输。具体的，所述第一指示信息的取值为第一值的情况下，用于表示开启使能，也就是指示开启PRACH的重复传输；和/或，所述第一指示信息的取值为第二值的情况下，用于表示关闭使能，也就是指示终端设备不开启PRACH的重复传输。其中，所述第一值与所述第二值不同，该第一值以及第二值可以为预先配置的。比如，所述第一值可以为0，第二值可以为1；或者，所述第一值可以为1，第二值可以为0；或者，还可以设置其他第一值或其他第二值，只要第一值与第二值不同，就均在本实施例保护范围内。相应的，所述终端设备的处理具体可以包括：所述终端设备在所述第一信息满足第一条件、所述第二信息中包括第一指示信息、且所述第一指示信息的取值为第一值的情况下，确定进行PRACH的重复传输；和/或，所述终端设备在第一信息满足第一条件、所述第二信息中包括第一指示信息、且所述第一指示信息的取值为第二值的情况下，确定不进行PRACH的重复传输；和/或，所述终端设备在第一信息不满足第一条件的情况下，确定不进行PRACH的重复传输。
或者，该第一指示信息包括PRACH的传输类型；所述第一指示信息包括的PRACH的传输类型为重复传输类型的情况下，用于指示开启PRACH的重复传输；所述第一指示信息包括的PRACH的传输类型为非重复传输类型的情况下，用于指示不开启PRACH的重复传输。其中，重复传输类型还可以称为PRACH重复传输、或者PRACH重复传输类型、或者msg1重复传输、或者msg1重复传输类型等等；非重复传输类型还可以称为：传统传输类型，或者传统类型、或者PRACH不重复传输、或者PRACH不重复传输类型、或者msg1不重复传输、或者msg1不重复传输类型等等，这里不对其全部可能的名称进行穷举。相应的，所述终端设备的处理具体可以包括：所述终端设备在所述第一信息满足第一条件、所述第二信息中包括第一指示信息、且所述第一指示信息包括的PRACH的传输类型为重复传输类型的情况下，确定进行PRACH的重复传输；和/或，所述终端设备在第一信息满足第一条件、所述第二信息中包括第一指示信息、且所述第一指示信息包括的PRACH的传输类型为非重复传输类型的情况下，确定不进行PRACH的重复传输；和/或，所述终端设备在第一信息不满足第一条件的情况下，确定不进行PRACH的重复传输。
在一种示例中，网络设备可以通过该第二信息隐式指示终端设备是否进行PRACH的重复传输。
可选地，第二信息不携带上述第一指示信息，但是可以携带重复传输的其他相关配置信息。重复传输的其他相关配置信息可以为第一门限值。相应的，终端设备在所述第一信息满足第一条件的情况下，确定进行PRACH的重复传输，包括：所述终端设备在所述第二信息包括第一门限值、且所述第一信息满足第一条件的情况下，确定进行PRACH的重复传输；其中，所述第一门限值为与第一下行信号的测量结果相关的门限值。在本示例中，该第一门限值可以与相关协议中规定的任何门限均不相同，也就是该第一门限值为专门用于判断是否进行PRACH的重复传输的门限值。应理解的是，若本示例中第二信息中携带第一门限值，则网络设备可以将该第一门限值专门用于进行PRACH的重复传输的判断。
第二信息包括第一门限值，可以指的是第二信息包括第一门限值的名称以及第一门限值的取值。举例来说，该第二信息中可以包括第一门限值的名称为“专用的msg1重复传输RSRP门限值”、取值a1。或者，第二信息 包括第一门限值的信息域，该第一门限值的信息域用于携带该第一门限值的取值。举例来说，第二信息中可以包括一个或多个信息域，预先定义每个信息域所携带的内容；假设第二信息中定义了信息域1用于携带“专用的msg1重复传输RSRP门限值”；相应的，终端设备可以根据第二信息各个信息域的定义，确定“专用的msg1重复传输RSRP门限值”的信息域1，进而将该信息域1中携带的内容作为该“专用的msg1重复传输RSRP门限值”的取值。
可选地，第二信息不携带上述第一指示信息，但是可以携带重复传输的其他相关配置信息。所述第二信息用于指示第一参数的取值，所述第一参数的取值用于终端设备确定PRACH的重复传输次数。相应的，所述终端设备在所述第一信息满足第一条件的情况下，确定进行PRACH的重复传输，包括：所述终端设备在所述第一信息满足第一条件、所述第二信息指示的第一参数的取值为有效值的情况下，确定进行PRACH的重复传输；其中，所述第一参数的取值用于确定PRACH的重复传输次数。这里，所述第一参数的取值为有效值，可以指的是该第一参数的取值在有效取值范围内，比如，该有效取值范围可以为大于0的整数或者大于1的整数等等，这里不对其全部可能的情况进行穷举。该第二信息用于指示第一参数的取值。举例来说，该第一信息中可以包括第一参数的名称以及该第一参数的取值，比如第一参数b、取值b1。或者，该第二信息中包括第一参数的信息域，该第一参数的信息域用于携带该第一参数的取值。举例来说，第二信息中可以包括一个或多个信息域，预先定义每个信息域所携带的内容；假设第二信息中定义了信息域2用于携带第一参数b；相应的，终端设备可以根据第二信息各个信息域的定义，确定第一参数b所对应的信息域2，进而将该信息域2中携带的内容作为该第一参数b的取值b1。该第一参数可以称为专用的PRACH重复传输次数(RepetitionNumberofPRACH)，或者该第一参数还可以称为专用的前导码重复传输次数(RepetitionNumberofPreamble)。
可选地，该第二信息中可以不携带上述第一指示信息，但是携带上述第一门限值以及第一参数的取值。相应的，所述终端设备在所述第一信息满足第一条件的情况下，确定进行PRACH的重复传输，包括：所述终端设备在所述第一信息满足第一条件、所述第二信息包括第一门限值、且第二信息中的第一参数的取值为有效值的情况下，确定进行PRACH的重复传输。这里，关于第二信息携带第一门限值以及第一参数的取值的方式，与前述实施例相同，不做重复说明。
在一种示例中，网络设备可以通过该第二信息显示指示终端设备是否进行PRACH的重复传输，同时还通过该第二信息携带重复传输的其他相关配置信息。
网络设备发送的第二信息中可以包括第一指示信息；另外，第二信息还可以包括上述第一门限值和/或第一参数的取值。此时终端设备在所述第一信息满足第一条件的情况下，确定进行PRACH的重复传输，包括：所述终端设备在所述第一信息满足第一条件、所述第二信息中的第一指示信息指示开启PRACH的重复传输、所述第二信息中的第一参数的取值为有效值的情况下，确定进行PRACH的重复传输；或者，所述终端设备在所述第一信息满足第一条件、所述第二信息中的第一指示信息指示开启PRACH的重复传输、所述第二信息包括第一门限值的情况下，确定进行PRACH的重复传输；所述终端设备在所述第一信息满足第一条件、所述第二信息中的第一指示信息指示开启PRACH的重复传输、所述第二信息中的第一参数的取值为有效值、且第二信息中包括第一门限值的情况下，确定进行PRACH的重复传输。
在一些可能的实施方式中，前述第二信息，可以是由多种信息或信令中任意之一携带的；示例性的，该第二信息可以是通过DCI、RRC信令、MAC CE、系统消息等任意之一携带的。
所述第二信息由DCI携带的情况下，该DCI可以是第一DCI，该第一DCI的格式为DCI格式(format)1_0。在本实施方式中，该DCI format 1_0由PDCCH(物理下行控制信道，Physical Downlink Control CHannel)承载。前述第二信息，具体可以由第一DCI即DCI格式(format)1_0的第一信息域携带。其中，所述第一信息域可以是一个新的信息域，具体可以是对保留比特中的一个或多个比特进行定义得到的一个新的信息域。
在一种示例中，当使用DCI format 1_0携带该第二信息时，该DCI format 1_0需要满足以下三种条件中至少之一：使用RNTI(Radio Network Temporary Identifier，无线网络临时标识)进行加扰；“Frequency domain resource assignment(频域资源分配)”域(Field)是全“1”；以及Random Access Preamble index(随机接入前导码索引号)Field不是全“0”。其中，RNTI可以为以下之一：C-RNTI(Cell-RNTI，小区无线网络临时标识)、TC-RNTI(Temporary Cell RNTI，临时小区RNTI)、CS-RNTI(Configured Scheduling RNTI，配置调度RNTI)、MCS-C-RNTI(Modulcation Coding Scheme Cell RNTI，调制编码方案小区RNTI)。在一种优选的示例中，当使用DCI format 1_0携带该第二信息时，前述DCI format 1_0需要满足上述三种条件中的全部条件。以前述下行信号为SSB为例来说明DCI format 1_0需要满足上述三种条件的原因：如果DCI format 1_0使用C-RNTI(Cell-Radio Network Temporary Identifier，小区无线网络临时标识)进行加扰，并且“Frequency domain resource assignment(频域资源分配)”域是全“1”，则DCI format 1_0用于PDCCH命令发起的随机接入过程，此时，使用该DCI format 1_0携带第二信息，可以使得终端设备在接收到该第二信息时发起随机接入过程，并且直接确定随机接入过程中是否进行PRACH的重复传输。另外，Random Access Preamble index(随机接入前导码索引号)Field不是全“0”的时候，PRACH mask index(掩码索引号)域才用于指示与SS/PBCH(即SSB)关联的RO，SS/PBCH index(索引号)域才用于确定SSB，而终端设备使用的SSB以及SSB关联的RO，可以使得终端设备确定本次PRACH传输或重复传输所要使用的传输资源。
关于携带前述第二信息的DCI format 1_0的具体组成可以参见图7，其中包括：域(Field)1，Identifier for DCI format(DCI格式的标识)：1比特(bit)，用于指示DCI格式；Field 2，Frequency domain resource assignment： 用于指示频率域资源，其占用的x比特；x可以为根据实际情况确定的，具体可以为基于协议规定的公式计算得到的，这里不对其进行限定；Field 3，Random Access Preamble index(随机接入前导码索引号)：6比特，用于显式指示ra-PreambleIndex(随机接入-前导码索引号)；Field 4，UL/SUL(supplementary Uplink，补充的上行链路)indicator(指示)：1比特，如果“Random Access Preamble index”不是全0，并且UE在ServingCellConfig(服务小区配置)中配置了SUL，该域指示使用哪个UL载波进行PRACH的传输，否则，该域保留；Field 5，SS/PBCH index(索引号)：6比特，如果“Random Access Preamble index”不是全0，该域指示用来确定PRACH传输时使用RACH occasion的SS/PBCH，否则，该域保留；Field 6，PRACH mask index：4比特，如果“Random Access Preamble index”不是全0，该域指示与SS/PBCH(由6比特的SS/PBCH index指示)关联的RACH occasion，否则，该域保留；Field 7，第二信息：1个或多个bit(bit)；Field 8，保留比特：在协议中规定，在FR1中具有共享频谱信道接入的小区中的操作，或者在FR2-2中DCI格式在通用搜索空间中被监听时，保留比特为12比特，否则，保留比特为10比特。
在本示例中，第二信息会占用保留比特的1个或多个bit，因此保留比特的bit位的数量可以为小于或等于11bit，或者，保留比特的bit位的数量可以为小于或等于9bit。另外，在图7中还示意出，携带第二信息的DCI format 1_0中，前述Field 1～Field8的一种排列顺序；图7仅为示例性说明，实际处理中，前述Field7可以在Field8之前，还可以在Field 8之内，还可以在Field8之后，均在本实施例保护范围内，只是不做穷举。或者，第二信息可以是对前述DCI format 1_0中的信息域重新定义来携带的，比如第二信息中的第一参数可以是由重新定义的PRACH mask index域携带，也就是重新定义该PRACH mask index用于携带第一参数。
在一些实施方式中，所述第二信息由DCI携带，该DCI可以是第二DCI。该第二DCI的格式为除DCI格式1_0之外的其他DCI格式。该第二DCI的格式可以为：协议规定的DCI格式中，除DCI格式1_0之外的其他DCI格式。比如，第二DCI的格式为以下任意之一：DCI格式0_0、DCI格式0_1、DCI格式1_1、DCI格式2_1、DCI格式2_2、DCI格式2_3等等。这种情况下，该第二DCI同样可以是PDCCH承载，但是该第二DCI的功能并非用于指示终端设备发起随机接入过程，关于第二DCI的具体功能本实施例不对其进行限定。所述第二信息，可以由第二DCI的指定信息域携带，该指定信息域可以占用第二DCI的保留比特中的一个或多个比特。又一种示例中：该第二DCI的格式可以为新定义的DCI格式。该新定义的DCI格式与前述协议规定的DCI格式均不相同。这种情况下，该第二DCI可以为专用于指示终端设备是否进行PRACH的重复传输。该第二信息，可以由第二DCI的指定信息域携带，其占用的比特位的数量可以为一个或多个。
在一些实施方式中，所述第二信息由RRC信令携带。该RRC信令可以是任意一个处理流程中的RRC信令，比如，可以是RRC连接建立信令、RRC连接重配置完成信令等等，这里不对其全部可能的情况进行穷举。
通过以上实施例，终端设备可以仅采用第一信息确定是否进行PRACH的重复传输；或者终端设备可以根据第一信息和网络设备配置的第二信息共同确定是否进行PRACH的重复传输。进一步地，该终端设备的处理还可以包括：在确定进行PRACH的重复传输的情况下，所述终端设备在多个目标传输资源上进行PRACH的重复传输；其中，所述多个目标传输资源的数量与PRACH的重复传输次数相同，且所述多个目标传输资源中每个目标传输资源用于进行一次PRACH传输。相应的，网络设备的处理还可以包括：所述网络设备在多个目标传输资源上接收重复传输的PRACH；其中，所述多个目标传输资源的数量与PRACH的重复传输次数相同，且所述多个目标传输资源中每个目标传输资源用于接收一次PRACH。
另外，在终端设备确定不进行PRACH的重复传输的情况下，所述终端设备在选择的一个传输资源上进行PRACH传输。相应的，所述网络设备，还可以包括：所述网络设备接收PRACH。其中，所述终端设备选择的一个传输资源，可以为根据现有协议规定选择的一个传输资源，不再对其进行赘述。
前述传输资源，具体可以指的是PRACH时机；该PRACH时机可以为时频资源，该PRACH时机还可以称为RO。应理解，在本公开以下说明中，如无特殊说明，传输资源与RO含义相同，目标传输资源与目标RO含义相同，可用传输资源与可用RO含义相同。
由于本实施例关于终端设备和网络设备具体如何确定PRACH的重复传输次数，且终端设备和网络设备具体如何确定多个目标传输资源的处理中，都会在M个第二下行信号的基础上进行说明，上述M个第二下行信号指的是终端设备使用的下行信号。因此，首先对M个第二下行信号进行相关说明：
可选地，上述M个第二下行信号为网络设备为终端设备指定的。所述M个第二下行信号，为第五信息指示的。所述M个第二下行信号，为网络设备通过第五信息指示的。该第五信息中可以携带M个第二下行信号的索引号(或称为编号、或称为标识)。具体的：所述网络设备发送第五信息。相应的，所述终端设备接收所述第五信息，基于所述第五信息确定所述M个第二下行信号。该第五信息可以是通过DCI、RRC信令、MAC CE、系统消息等任意之一携带的。该第五信息由DCI携带的情况下，所述第五信息由第一DCI携带；关于该第一DCI的定义在前述实施例已经说明，这里不做赘述。示例性的，若第二下行信号为第二SSB，则该第五信息，可以是前述第一DCI中Field 5携带的SS/PBCH index。该SS/PBCH index的相关说明与前述实施例相同，这里不做赘述。
可选地，所述M个第二下行信号为终端设备确定的。终端设备的处理还可以包括：所述终端设备基于多个下行信号分别对应的测量结果，从所述多个下行信号中，选取所述M个第二下行信号。其中，M为网络设备配置的，或预设的。比如，网络设备可以为终端设备指定M；又或者，可以是网络设备以及终端设备分别预设相同的数量M。该M可以为1，或者可以为大于1的整数，这里不对其全部可能的取值进行限定。这里M个第二 下行信号与前述第一下行信号可能相同也可能不同。
从所述多个下行信号中，选取M个第二下行信号，包括以下之一：从全部下行信号中随机选取M个下行信号作为M个第二下行信号；从所述多个下行信号中，选取测量结果最大的M个第二下行信号；在所述多个下行信号中存在测量结果大于第一门限值的下行信号的情况下，基于所述测量结果大于第一门限值的下行信号，确定M个第二下行信号。也就是说，终端设备可以随机从全部下行信号中选取M个第二下行信号。或者，可以不论各个下行信号的测量结果是否大于第一门限值，仅从其中选取测量结果最大的M个第二下行信号。或者，考虑各个下行信号的测量结果是否大于第一门限值，尽量从测量结果大于第一门限值的下行信号中选取第二下行信号。
其中，所述基于所述测量结果大于第一门限值的下行信号，确定M个第二下行信号，包括以下之一：在测量结果大于第一门限值的下行信号的数量不小于M的情况下，从所述测量结果大于第一门限值的下行信号中选取M个第二下行信号；在测量结果大于第一门限值的下行信号的数量小于M的情况下，将测量结果大于第一门限值的下行信号、以及测量结果不大于第一门限值的下行信号中的部分下行信号作为所述M个第二下行信号。
具体来说，在考虑各个下行信号的测量结果是否大于第一门限值的处理中，可能存在测量结果大于第一门限值的下行信号的数量K等于M的情况，此时终端设备可以将全部测量结果大于第一门限值的下行信号均作为M个第二下行信号。比如，可能存在测量结果大于第一门限值的下行信号的数量K大于M的情况，此时终端设备可以从测量结果大于第一门限值的下行信号中，随机选取M个第二下行信号，或还可以选取测量结果最大的M个第二下行信号。比如，可能存在测量结果大于第一门限值的下行信号的数量K小于M的情况，此时终端设备可以将全部大于第一门限值的K下行信号均作为K个第二下行信号，然后再从测量结果不大于第一门限值的剩余下行信号中选取测量结果最大的M-K个第二下行信号。
应指出的是，前述M在一些示例中还可以称为下行信号选取数量；比如下行信号为SSB，该M还可以表示为“SSB_selected_number(SSB选取数量)”。
接下来，针对终端设备和网络设备具体如何确定PRACH的重复传输次数，且终端设备和网络设备具体如何确定多个目标传输资源，进行详细说明。
在一种可能的实施方式中，所述PRACH的重复传输次数，与第二参数相关，其中，所述第二参数用于表示一个传输资源关联的下行信号的数量。
首先需要说明的是，前述终端设备仅采用第一信息确定进行PRACH的重复传输，或者，前述终端设备采用第一信息和第二信息共同确定进行PRACH的重复传输的处理中第二信息中不包括第一参数的情况下，终端设备可以使用第二参数确定PRACH的重复传输次数。
示例性的，若下行信号为SSB，则该第二参数可以为前述实施例的SSB_per_RO。该SSB_per_RO在系统中配置时可以表示为ssb-perRACH-Occasion，具体可以是以下信息中任意之一携带的：由高层配置的参数携带，该高层配置的参数具体可以是ssb-perRACH-OccasionAndCB-PreamblesPerSSB(一个RO关联的SSB的数量，和每个SSB在每个有效RO上基于竞争的preamble数)；由两步随机接入中msgA携带，该msgA具体携带的参数可以表示为msgA-SSB-PerRACH-OccasionAndCB-PreamblesSSB(msgA中的一个RO关联的SSB的数量，和每个SSB在每个有效RO上基于竞争的preamble数)；基于非竞争的随机接入(CFRA，Contention Free Rach Access)的配置消息中携带的ssb-perRACH-Occasion；CFRA的配置消息中携带的ssb-PerRACH-OccasionTwoStepRA(2步随机接入)；SI(系统消息，System Information)-RequestConfig(请求配置)中携带的ssb-perRACH-Occasion；BeamFailureRecoveryConfig(波束失败恢复配置)中携带的ssb-perRACH-Occasion。需要说明的是，在前述SSB-per-RO通过前述信息任意之一配置的时候，该SSB-per-RO的值可以配置为{oneEighth(1/8),oneFourth(1/4),oneHalf(1/2),one,two,four,eight,sixteen}。在下行信号为其他类型的下行信号的情况下，比如下行信号为CSI-RS，则该第二参数可能被表示为CSI-RS_per_RO等等，这里不对各种类型的下行信号对应的第二参数进行穷举。
该第二参数可以为正数，比如该第二参数可以小于1，或者可以不小于1。在所述第二参数不小于1的情况下，在一个映射循环内的任意一个传输资源关联下行信号的数量不小于1；也就是，在一个映射循环内，一个或多个下行信号可以映射至相同的传输资源。在第二参数小于1的情况下，在一个映射循环内的任意一个传输资源关联下行信号的数量小于1，也就是在一个映射循环内一个下行信号可以映射至多个传输资源，并且不同的下行信号映射至不同的传输资源。
前述映射循环可以表示为mapping cycle(映射循环)，或者，在一些可能的情况下，该映射循环可以称为RO mapping cycle(RO映射循环)。前述映射循环，可以包括：多个下行信号映射的传输资源。所述多个下行信号中包括M个第二下行信号。所述多个下行信号可以指的是全部下行信号(可以是配置的所有下行信号，或者是在通信中实际使用的所有下行信号)，即系统中的全部下行信号；相应的，一个映射循环可以包括全部下行信号映射的全部传输资源，该全部传输资源中每个传输资源用于映射一个或多个下行信号。M个第二下行信号可以指的是终端设备使用的下行信号。
应理解的是，一个映射循环所包括的传输资源的数量，与全部下行信号的数量以及前述第二参数相关。以下行信号为SSB、第二参数为SSB_per_RO(假设SSB-per-RO表示为N)为例，一个映射循环所包括的传输资源的数量的确定方式可以为：SSB_per_RO的倒数与全部SSB的数量的乘积。当N的取值小于1时，此时每个SSB可以与1/N个RO关联；结合图4举例来说，图4中的402部分SSB_per_RO＝1/2，1个SSB映射至连续的2个RO，全部SSB的数量等于8，则一个映射循环中可以包括16个RO。当N的取值不小于1时，此时每个 SSB只能关联1个RO；比如图4中的403部分，SSB_per_RO＝1，每个RO用于映射1个SSB，全部SSB的数量等于8，则一个映射循环中可以包括8个RO。图4中的404部分，SSB_per_RO＝2，每个RO用于映射2个SSB，全部SSB的数量等于8，则一个映射循环中可以包括4个RO。以上仅为示例性说明，不对全部可能的情况做穷举。需要指出的是，在一个映射循环中，RO的排列可以在频域上按照从低频到高频排列，在时域上按照时间先后排列，结合图4来说，在一个映射循环中，RO的排列可以是从下到上、从左到右。
在一些可能的实施方式中，第二参数不小于1。
在所述第二参数不小于1的情况下，所述PRACH的重复传输次数，等于以下之一：第一数值，所述第一数值等于M乘以所述第二参数；其中，M为第二下行信号的数量，M为正整数；第二数值，所述第二数值等于M乘以第一预设值。
一种示例中，在所述第二参数不小于1的情况下，所述PRACH的重复传输次数，等于第一数值，所述第一数值等于M乘以所述第二参数；其中，M为第二下行信号的数量，M为正整数。具体的，当第二参数等于1、且M也等于1的情况下，终端设备可以确定PRACH的重复传输次数可以等于1，也就是可以确定此时不进行PRACH的重复传输。当第二参数和M中任意之一大于1的情况下，终端设备可以确定PRACH的重复传输次数可以等于第二参数乘以M。举例来说，若第二下行信号为第二SSB，假设第二参数为SSB-per-RO，该SSB-per-RO的值表示为N，则该PRACH的重复传输次数可以为SSB_selected_number*N；关于SSB_selected_number的说明在前述实施例已经说明，这里不做赘述。
又一种示例中，在所述第二参数不小于1的情况下，所述PRACH的重复传输次数，等于第二数值，所述第二数值等于M乘以第一预设值。该第一预设值可以为根据实际情况设置的，该第一预设值可以为4、8，或可以更多或更少，这里不对其进行穷举。该第一预设值可以是终端设备以及网络设备双方均预先配置的，或者可以是网络设备预先发送至终端设备的，这里不对该第一预设值的设置方式进行限定，只要终端设备和网络设备双方均设置有相同的第一预设值，就均在本实施例的保护范围内。举例来说，若第二下行信号为第二SSB，假设第二参数为SSB-per-RO，该SSB-per-RO的值表示为N，则该PRACH的重复传输次数可以为SSB_selected_number*第一预设值；关于SSB_selected_number的说明在前述实施例已经说明，这里不做赘述。
需要说明的是，上述第二参数不小于1的几种示例在实际使用的时候，可以指定使用其中任意之一，或终端设备与网络设备协商使用其中任意之一。只要终端设备与网络设备确定PRACH的重复传输次数的方式为相同的，就均在本实施例的保护范围内。
在第二参数不小于1的时候，所述终端设备确定用于重复传输PRACH的多个目标传输资源的处理说明如下：
第一种方式、所述多个目标传输资源，包括：在一个或多个映射循环内连续的多个传输资源。需要指出，上述一个或多个映射循环为连续的一个或多个映射循环。这里，所述一个或多个映射循环内连续的多个传输资源中，无论多个传输资源是否与所述M个第二下行信号中任意之一关联，都可以用于进行PRACH的重复传输。在本实施方式中，由于第二参数不小于1，因此在一个映射循环中一个下行信号仅映射到一个传输资源，并且一个或多个下行信号可能会映射到同一个传输资源。
上述多个目标传输资源的起始目标传输资源，可以为：第一个映射循环内第一个第二可用传输资源。具体的，第一个映射循环内第一个第二可用传输资源可以为：第一个映射循环内，所述M个第二下行信号中索引号最小的第二下行信号所关联的第二可用传输资源。其中，所述第一个映射循环可以指的是终端设备在进入随机接入过程后的第一个映射循环；关于映射循环的定义在前述实施例已经说明，这里不做重复说明。上述多个目标传输资源的起始目标传输资源的确定方式，可以包括：确定第一个映射循环中，M个第二下行信号所分别关联的第二可用传输资源；将M个第二下行信号中索引号最小的一个第二下行信号作为第一个第二下行信号，将该第一个第二下行信号关联的唯一的一个第二可用传输资源，作为多个目标传输资源的起始目标传输资源。上述M个第二下行信号可以分别关联各自的索引号，该索引号还可以被称为标识、编号等任意之一，只要可以用于唯一标识各个下行信号即在本实施例的保护范围内。
其中，第一个映射循环中，M个第二下行信号所分别关联的第二可用传输资源，为在第二参数不小于1的情况下，基于第二参数确定的。具体的，在所述第二参数不小于1的情况下，基于所述第二参数确定第一个映射循环中一个传输资源关联的下行信号的数量；基于所述一个传输资源关联的下行信号的数量，确定第一个映射循环中每个下行信号关联的传输资源；基于M个第二下行信号的索引号，确定在第一个映射循环中每个第二下行信号关联的一个第二可用传输资源。以第一个第二下行信号为第一个第二SSB，第二参数即SSB_per_RO为例，结合图8的801部分来说：全部SSB为8个，第二参数即SSB_per_RO＝8，也就是一个RO可以映射8个SSB，全部SSB均映射到同一个RO，每一个RO即为一个映射循环；假设第一个第二SSB的索引号为6，RO 8011为第一个映射循环，则该第一个第二SSB关联的第二可用RO即RO 8011，该RO8011即多个目标RO中的起始目标RO。结合图8的802部分举例来说：全部SSB为8个，SSB_per_RO＝2，也就是一个RO可以映射2个SSB，则一个映射循环包括一个时域位置处的4个RO，比如图8中的8021指示为一个映射循环；假设第一个第二SSB的索引号为6，且映射循环8021为第一个映射循环，则RO 8022为第一个第二SSB关联的第二可用RO，该RO8022即多个目标RO中的起始目标RO。以上仅为示例性说明，不对全部可能的情况进行穷举。
可选地，终端设备在进行PRACH的重复传输的情况下，所述PRACH携带第一类前导码；所述第一类前导 码为进行PRACH的重复传输时使用的前导码；所述第一类前导码为预设的，或网络设备配置的。
这里，需要指出的是，PRACH在不进行重复传输的情况下，同样会携带前导码，只是采用相关协议中规定的方式确定其需要携带的前导码。示例性的，NR定义了两种类型的前导码：长前导码和短前导码。在一些相关协议中，随机接入的前导序列支持2种长度的前导码：基于长度L＝839的长前导码和基于长度L＝139的短前导码。结合以下表2和表3进行示例性说明：
前导码格式 长度 子载波间隔 支持的限制集类型
0 839 1.25kHz Type A,Type B
1 839 1.25kHz Type A,Type B
2 839 1.25kHz Type A,Type B
3 839 5kHz Type A,Type B
表2
Figure PCTCN2022111932-appb-000001
表3
在一些相关协议中，如表2所示，引入了2个新的短前导码长度：L＝1151和L＝571。其中，L＝839的长前导码支持的PRACH子载波间隔为1.25kHz和5kHz；L＝139的短前导码支持的PRACH子载波间隔为15kHz,30kHz,60kHz,120kHz,L＝1151和571的短前导码支持的PRACH子载波间距为15kHz和30kHz。长前导码只用于NR授权频谱并且支持unrestricted sets(无限制集)和restricted sets(限制集)，限制集可以包括type A和type B两种类型；短前导码只支持unrestricted sets(无限制集)。如表3所示，序列长度为139的短前导码既可以用于授权频谱也可以用于非授权频谱；序列长度为1151和571的短前导码只能用于共享频谱信道接入(shared spectrum channel access)的场景。在前述表3中仅对前导码格式为A1进行了示例性说明，在实际协议中还包括其他类型的格式，这里不做穷举，在表3中μ表示子载波间隔配置，取值可以为0、1、2、3等等，不做限定。终端设备可以根据当前场景选择所要使用的前导码，本实施例不对所有可能的情况进行限制。
该第一类前导码为预设的情况下，在终端设备和网络设备中均预设。在该第一类前导码为网络设备配置的情况下，网络设备的处理还可以包括：所述网络设备向所述终端设备发送第六信息，所述第六信息包括第一类前导码。相应的，终端设备可以接收第六信息。第一类前导码的数量可以为一个或多个，也就是一个或多个第一类前导码可以组成第一类前导码子集；终端设备可以从一个或多个第一类前导码中，选取任意一个第一类前导码作为本次PRACH的重复传输时携带的第一类前导码。或者，不同的第一类前导码与不同的场景相关；终端设备基于当前场景从一个或多个第一类前导码中选取一个第一类前导码作为本次PRACH的重复传输时携带的第一类前导码。其中，场景可以包括宏小区覆盖、超大小区覆盖等等，这里不对其进行穷举。
本实施方式中，第二参数不小于1、且多个目标传输资源为在一个或多个映射循环内连续的多个传输资源。所述网络设备接收PRACH，具体包括：所述网络设备接收到终端设备发送的PRACH，解析所述PRACH中携带的前导码；在所述PRACH携带的前导码为第一类前导码的情况下，所述网络设备确定终端设备进行PRACH的重复传输，所述网络设备在所述多个目标传输资源上接收所述终端设备重复传输的PRACH。
具体的，无论M个第二下行信号为网络设备指示或终端设备确定的，网络设备确定终端设备是否进行PRACH的重复传输的方式均可以为：网络设备在接收到终端设备发送的PRACH的情况下，解析该PRACH中携带的前导码；在确定该PRACH携带的前导码为第一类前导码的情况下，确定终端设备进行PRACH的重复传输。
在网络设备确定终端设备进行PRACH的重复传输之后，网络设备可以进一步确定PRACH的重复传输次数和目标传输资源。在M个第二下行信号为网络设备指示的情况下，网络设备确定PRACH的重复传输次数和目标传输资源的方式与终端设备相同，不做重复说明。在M个第二下行信号为终端设备确定的情况下，网络设备确定PRACH的重复传输次数的方式与前述终端设备的处理方式相同，不做重复说明。网络设备确定目标传输资源的方式，可以为：网络设备可以将当前解析的第一个用于传输PRACH的传输资源作为目标起始传输资源；进而网络设备基于确定的PRACH的重复传输次数，在目标起始传输资源及其之后，接收前述重复传输次数个连续的传输资源上的PRACH并进行解调即可。
以第一个第二下行信号为第一个第二SSB，第二参数即SSB_per_RO为例，结合图9的901部分举例来说：SSB_per_RO＝1，一个映射循环中包括8个RO，PRACH的重复传输次数等于8，第一个第二SSB为SSB1，多个目标RO的起始目标RO为SSB1关联的唯一的一个第二可用RO，即图9中的RO 9011；该多个目标RO 9012包括：第1个映射循环内，该RO 9011起以及其后连续的7个RO。结合图9的902部分举例来说，SSB_per_RO＝2，一个映射循环中包括4个RO，PRACH的重复传输次数等于8，第一个第二SSB为SSB 5，多个目标RO的起始目标RO为SSB 5关联的第二可用RO，即图9中的RO 9021；该多个目标RO 9022包括第1个映射循环内，该RO 9021起以及其后连续的7个RO。以上仅为示例性说明，不对全部可能的情况进行穷举。
第二种方式、所述多个目标传输资源，包括：一个或多个映射循环中，每个映射循环中一个或多个第二可用传输资源；其中，所述一个或多个第二可用传输资源中每个第二可用传输资源与M个第二下行信号中的一个 或多个第二下行信号关联。
所述每个映射循环中一个或多个第二可用传输资源，包括：所述每个映射循环中，所述M个第二下行信号中每个第二下行信号关联的一个第二可用传输资源；其中，每个第二下行信号关联的一个第二可用传输资源为在第二参数不小于1的情况下，基于第二参数确定的。具体的，关于每个映射循环内一个或多个第二可用传输资源的确定方式，可以包括：在所述第二参数不小于1的情况下，基于所述第二参数确定一个传输资源关联的下行信号的数量；基于所述一个传输资源关联的下行信号的数量，确定一个映射循环内每个下行信号关联的传输资源；基于M个第二下行信号的索引号，确定在一个映射循环内每个第二下行信号关联的一个第二可用传输资源；将所述每个映射循环中M个第二下行信号中每个第二下行信号关联的一个第二可用传输资源的集合，作为所述每个映射循环中一个或多个第二可用传输资源。
本方式中，多个目标传输资源的起始目标传输资源的确定方式与前述方式相同，不做重复说明。
可选地，终端设备在进行PRACH的重复传输的情况下，所述PRACH携带第一类前导码。关于第一类前导码的说明与前述实施例相同，不做赘述。本实施方式中，无论M个第二下行信号为网络设备指示或终端设备确定的，网络设备确定终端设备进行PRACH的重复传输的方式均可以与前述实施例相同，这里不做重复说明。
在网络设备确定终端设备进行PRACH的重复传输之后，可以进一步确定PRACH的重复传输次数和目标传输资源。在M个第二下行信号为网络设备指示的情况下，网络设备确定PRACH的重复传输次数和确定目标传输资源的方式与终端设备相同，不做重复说明。在M个第二下行信号为终端设备确定的情况下，网络设备确定PRACH的重复传输次数的方式与前述终端设备的处理方式相同，不做重复说明。
网络设备确定目标传输资源的方式，可以有几种不同的情况，具体为：在一个映射循环中仅有一个传输资源，即该一个传输资源与全部下行信号关联的情况下，网络设备可以将当前解析的第一个用于传输PRACH的传输资源作为目标起始传输资源；进而网络设备基于确定的PRACH的重复传输次数，在目标起始传输资源及其之后，接收前述重复传输次数个连续的传输资源上的PRACH并进行解调即可。在一个映射循环中有多个传输资源，即一个传输资源与全部下行信号中的部分下行信号关联的情况下，网络设备可以接收完一个映射循环内的全部传输资源对应的内容之后，解析每个传输资源上是否存在携带第一类前导码的PRACH，将一个映射循环内携带第一类前导码的PRACH所占用的传输资源，作为终端设备在该映射循环内占用的一个或多个第二可用传输资源；结合网络设备确定的在一个映射循环内的一个或多个第二可用传输资源的位置、以及前述网络设备确定的PRACH的重复传输次数，网络设备可以确定在一个或多个映射循环中每个映射循环的第二可用传输资源，将该一个或多个映射循环中每个映射循环的的一个或多个第二可用传输资源作为目标传输资源。在网络设备确定了目标传输资源之后，可以基于目标传输资源上接收到的重复传输的PRACH进行解调处理，具体的处理方式本实施例不进行限定。
以M个第二下行信号为M个第二SSB，第二参数即SSB_per_RO为例，结合图10的1010部分举例来说：SSB_per_RO＝2，一个映射循环中包括4个RO，PRACH的重复传输次数等于4，M个第二SSB分别为SSB 5、SSB7；SSB 5、SSB7关联的第二可用传输资源均为一个映射循环内的第3个RO和第4个RO；则多个目标RO中的起始目标RO为第一个映射循环内的第3个RO即RO1011，多个目标RO 1012，包括：自第1个映射循环中的该起始目标RO起(含起始目标RO)、第4个RO，第2个映射循环中的第3个RO和第4个RO。结合图10的1020部分举例来说：SSB_per_RO＝8，一个映射循环中仅包括1个RO，PRACH的重复传输次数等于8，M个第二SSB分别为SSB1、SSB2、SSB3，SSB1、SSB2、SSB3关联的第二可用传输资源为一个映射循环内的该唯一的1个RO；则所述多个目标RO中的起始目标RO为第一个映射循环内的RO 1021，该多个目标RO 1022包括：第1个映射循环～第8个映射循环中的8个RO。以上仅为示例性说明，不对全部可能的情况进行穷举。
在一些可能的实施方式中，第二参数小于1。在所述第二参数小于1的情况下，所述PRACH的重复传输次数，等于以下之一：第三数值；所述第三数值为一个映射循环内M个第二下行信号分别关联的一个或多个第一可用传输资源的数量的总和；其中，M为正整数；第四数值；所述第四数值等于M乘以第二预设值。
所述PRACH的重复传输次数，等于第三数值；所述第三数值为一个映射循环内M个第二下行信号分别关联的一个或多个第一可用传输资源的数量的总和；其中，M为正整数。
网络设备可以不对M个第二下行信号分别关联的一个或多个第一可用传输资源进行指示，则终端设备可以将M个第二下行信号分别关联的全部可用传输资源均作为第一可用传输资源。这种情况下，每个第二下行信号关联的全部第一可用传输资源的数量等于第二参数的倒数，并且不同第二下行信号关联的第一可用传输资源不同；若将第二参数表示为N，则一个映射循环内每个第二下行信号关联的全部第一可用传输资源的数量等于1/N，该第三数值等于M乘以1/N。举例来说，若第二下行信号为第二SSB，假设第二参数为SSB-per-RO，该SSB-per-RO的值表示为N，则该PRACH的重复传输次数可以为SSB_selected_number*(1/N)。
或者，网络设备可以对M个第二下行信号分别关联的一个或多个第一可用传输资源进行指示，则终端设备可以根据网络设备的指示，确定一个映射循环内M个第二下行信号分别关联的一个或多个第一可用传输资源。这种情况下，一个映射循环内每个第二下行信号关联的全部第一可用传输资源的数量可能小于或等于第二参数的倒数、不同第二下行信号关联的第一可用传输资源不同、并且不同第二下行信号关联的第一可用传输资源的数量可能相同也可能不同。因此，所述第三数值为一个映射循环内M个第二下行信号分别关联的一个或多个第一可用传输资源的数量的总和。
或者，所述PRACH的重复传输次数，等于第四数值；所述第四数值等于M乘以第二预设值。该第二预设 值可以为根据实际情况设置的，可以为2、4、8，或更大或更小，这里不对其进行穷举。这里，所述第二预设值与前述第一预设值的取值，可以相同也可以不同，均在本实施例的保护范围内。应理解的是，在终端设备和网络设备均需要预先设置该第二预设值。比如，可以是管理人员分别在终端设备和网络设备进行该第二预设值的配置；又比如，可以是网络设备根据协议确定该第二预设值后，通过系统广播或其他信息发送至终端设备，使得该终端设备可以预先获取并保存该第二预设值。举例来说，若第二下行信号为第二SSB，假设第二参数为SSB-per-RO，该SSB-per-RO的值表示为N，则该PRACH的重复传输次数可以为SSB_selected_number*第二预设值。
或者，所述PRACH的重复传输次数，等于所述第三数值和第四数值中的最小值。也就是PRACH的重复传输次数＝min{第三数值，第四数值}。举例来说，若第二下行信号为第二SSB，假设第二参数为SSB-per-RO，该SSB-per-RO的值表示为N，第三数值等于SSB_selected_number*(1/N)，第四数值等于SSB_selected_number*第二预设值，该PRACH的重复传输次数可以为min{SSB_selected_number*(1/N),SSB_selected_number*第二预设值}。
需要说明的是，上述第二参数小于1的几种示例在实际使用的时候，可以预先在终端设备和网络设备分别指定或协商确定好使用其中任意之一。只要终端设备与网络设备确定PRACH的重复传输次数的方式相同，就均在本实施例的保护范围内。在前述关于确定PRACH的重复传输次数的说明中，可能需要结合一个映射循环内M个第二下行信号分别关联的一个或多个第一可用传输资源的数量，来确定其中的第三数值。首先针对前述一个映射循环内M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源的确定方式进行说明：
在第二参数小于1的情况下，一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源，包括以下之一：所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个可用传输资源；所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的指定传输资源；所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的传输资源子集中的可用传输资源；所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的起始可用传输资源至结束可用传输资源之间的可用传输资源；其中，所述每个第二下行信号关联的起始可用传输资源和/或结束可用传输资源，为所述每个第二下行信号关联的指定传输资源。
可选地，在第二参数小于1的情况下，一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源，包括：所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个可用传输资源。
一种情况下，一个映射循环内每个第二下行信号关联的一个或多个可用传输资源，可以为终端设备仅基于第二参数、不结合网络设备发送的其他信息确定的。具体的，一个映射循环内每个第二下行信号关联的一个或多个可用传输资源，可以是根据第二参数以及每个第二下行信号的索引号确定的。比如，终端设备的处理可以包括：在第二参数小于1的情况下，基于所述第二参数确定一个下行信号关联的传输资源的数量；基于一个下行信号关联的传输资源的数量，确定一个映射循环内每个下行信号关联的多个可用传输资源。进一步地，终端设备可以基于每个第二下行信号的索引号、以及一个映射循环内每个下行信号关联的多个可用传输资源，确定一个映射循环内该每个第二下行信号分别关联的一个或多个可用传输资源；将一个映射循环内每个第二下行信号分别关联的一个或多个可用传输资源，作为该一个映射循环内每个第二下行信号分别关联的一个或多个第一可用传输资源。
另一种情况下，一个映射循环内每个第二下行信号关联的一个或多个可用传输资源，可以为根据网络设备发送的第四信息确定的。网络设备的处理可以包括：所述网络设备发送第四信息，其中，所述第四信息用于终端设备用于在第二参数小于1的情况下，确定在一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个可用传输资源。相应的，终端设备的处理还可以包括：所述终端设备接收第四信息，其中，所述第四信息用于在第二参数小于1的情况下，确定在一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个可用传输资源。举例来说，M个第二下行信号为M个第二SSB；当前述第二参数(SSB-per-RO)N的取值小于1时，每个SSB可以与1/N个RO关联，但可能并不是每个SSB关联的全部RO都可以用来发送PRACH；这种情况下，网络设备会进一步通过第四信息为终端设备指示M个第二SSB中每个第二SSB关联的一个或多个可用PRACH occasion(RO)；该每个第二SSB关联的一个或多个可用RO为每个第二SSB关联的1/N个RO中的至少部分。
可选地，该第四信息中可以包括第二指示信息，该第二指示信息包括一个映射循环内，全部下行信号中每个下行信号关联的一个或多个可用传输资源。比如，该第四信息包括：每个下行信号的相关信息，以及该下行信号关联的一个或多个可用传输资源分别对应的索引号。终端设备在接收到第四信息后，可以基于M个第二下行信号分别对应的相关信息，从所述第四信息中确定该M个第二下行信号中每个第二下行信号关联的一个或多个可用传输资源。这里，每个下行信号的相关信息，可以是该下行信号的编号、或标识、或ID、或索引号等等。
可选地，所述第四信息中包括比特图；所述比特图用于指示一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个可用传输资源。
具体的，所述比特图用于指示一个映射循环内，多个下行信号中每个下行信号关联的一个或多个可用传输资源；其中，所述多个下行信号中包括所述M个第二下行信号。该比特图中具体可以包括多个下行信号分别对 应的子比特图；其中，每个下行信号对应的子比特图中包括的比特位的数量，可以等于一个映射循环中包括的传输资源的数量；每个下行信号对应一个子比特图中，每一个比特位可以对应一个传输资源；每个比特位的取值用于指示对应位置的传输资源是否为该下行信号的可用传输资源。在一个比特位的取值为第一指定值的情况下，用于指示对应位置的传输资源为该下行信号的可用传输资源；在一个比特位的取值为第二指定值的情况下，用于指示对应位置的传输资源不是该下行信号的可用传输资源。这里，所述第一指定值与所述第二指定值不同，第一指定值为0、第二指定值为1，或者，第一指定值为1、第二指定值为0，或者，还可以设置为其他指定值，这里不对其进行穷举，只要终端设备和网络设备双方采用相同的取值含义即可。终端设备可以在接收到第四信息后，可以执行以下处理：终端设备基于该第四信息，确定M个第二下行信号中第i个第二下行信号关联的第i个子比特图，将该第i个子比特图中比特位的取值为第一指定值的位置处对应的传输资源，作为第i个第二下行信号关联的可用传输资源。其中，i为小于或等于M的正整数。
或者，该比特图为一个总的比特图。由于在第二参数小于1的情况下，不同下行信号关联的传输资源均不相同，因此，可以配置比特图包括的比特位的数量等于一个映射循环包括的传输资源的数量，仅通过比特图中每一个比特位的取值，来表示在一个映射循环内该位置的传输资源是否为可用传输资源。终端设备可以在接收到第四信息后，可以执行以下处理：终端设备基于M个第二下行信号中第i个第二下行信号关联的一个或多个传输资源，确定第四信息包括的比特图中该一个或多个传输资源对应位置处的一个或多个比特位；将该一个或多个比特位中取值为第一指定值的位置处对应的传输资源，作为第i个第二下行信号关联的可用传输资源。比如，一共有8个下行信号、一个映射循环包括16个传输资源，比特图一共有16个比特位，假设其中偶数位上的比特位的取值设置为第一指定值，其余的比特位的取值设置为第二指定值，则可以表示每个下行信号配置了一个可用传输资源；若第i个第二下行信号为全部下行信号中的第1个下行信号，则可以确定一个映射循环中第2个传输资源为该第i个第二下行信号的可用传输资源。这里，第i个第二下行信号为M个第二下行信号中任意之一，这里仅以第i个第二下行信号为例进行说明，实际M个第二下行信号中每个第二下行信号的处理与第i个第二下行信号均为相同的，不做一一赘述。
应理解的是，上述根据第四信息确定在一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源的处理中，不同的第二下行信号关联的第一可用传输资源的数量可以相同也可以不同，因为网络设备可以根据实际情况为不同的下行信号指示不同的可用传输资源。
在以上情况中，前述第四信息可以是由DCI、RRC信令等任意之一携带的。一种示例中，该第四信息与前述第二信息可以由不同的消息携带。另一种示例中，该第四信息与前述第二信息可以由相同的消息携带，也就是在一个消息中同时包括该第二信息和第四信息。在第二信息和第四信息由相同消息携带的情况下，当使用DCI format 1_0(即第一DCI携带)携带该第二信息时，该第四信息可以是对DCI format 1_0中的“Field 6，PRACH mask index”携带的，并需要对“Field 6，PRACH mask index”这个信息域重新进行定义。
可选地，在第二参数小于1的情况下，一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源，包括以下之一：所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的指定传输资源；所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的传输资源子集中的可用传输资源。上述每个第二下行信号关联的指定传输资源，或者每个第二下行信号关联的传输资源子集，可以为终端设备根据网络设备发送的第四信息确定的。本情况中，该第四信息可以由第一DCI携带；具体来说，所述第四信息，由第一DCI的“Field 6”携带，该第四信息具体为PRACH mask(掩码)index(索引号)。该第四信息(即PRACH mask index)的取值用于确定基于非竞争的随机接入过程的PRACH资源位置。在下行信号为SSB的情况下，该第四信息的各个取值的定义，具体可以如表1所示：
第四信息的取值 SSB关联的可用传输资源
0 全部
1 索引号为1的传输资源
2 索引号为2的传输资源
3 索引号为3的传输资源
4 索引号为4的传输资源
5 索引号为5的传输资源
6 索引号为6的传输资源
7 索引号为7的传输资源
8 索引号为8的传输资源
9 索引号为偶数的传输资源
10 索引号为奇数的传输资源
表1
第四信息(即PRACH mask index)只在SSB_per_RO<1时，才进行使用。例如SSB_per_RO＝1/8，则1个SSB映射到8个RO，如果第四信息(即PRACH mask index)＝3，则选择PRACH occasion index 3(即索引号为3的传输资源)。这里，索引号所指示的传输资源与索引号定义为将0还是1作为最小值相关；比如将索引号为0定义为最小值，那么索引号为1的传输资源可以指的是一个映射循环内一个SSB关联的第2个传输资 源，将索引号为1定义为最小值，那么索引号为1的传输资源可以指的是一个映射循环内一个SSB关联的第1个传输资源。PRACH mask index可以为0，这说明网络设备只为终端设备分配了preamble，但频域上的PRACH occasion还需UE自己选择。上述表1中索引号为1的传输资源可以表示为“RO index 1”(RO的索引号1)，关于其他索引号为2～8的传输资源的表示方式与前述类似，不做一一赘述。上述表1中索引号偶数的传输资源，可以表示为“every even RO”(全部偶数RO)；上述表1中索引号奇数的传输资源，可以表示为“every odd RO”(全部奇数RO)。应理解，关于第四信息的取值除了上述表1示意出的0～10之外，还可以有其他保留取值，比如第四信息的取值还可以包括11～15这几个取值，这几个取值可以为保留取值，本实施例不对其进行限定。
具体的，所述第四信息的取值在第一取值范围内的情况下，用于确定所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的传输资源子集；和/或，所述第四信息的取值在第二取值范围内的情况下，用于确定所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的指定传输资源。上述第一取值范围与第二取值范围不同，所述第一取值范围可以包括0、9、10；所述第二取值范围可以为1～8。其中，每个第二下行信号关联的传输资源子集中，可能包括一个或多个可用传输资源。每个第二下行信号关联的指定传输资源的数量可以为一个。
可选地，在第二参数小于1的情况下，一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源，包括：所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的起始可用传输资源至结束可用传输资源之间的可用传输资源。
这里，每个第二下行信号关联的起始可用传输资源，可以为指定传输资源，关于每个第二下行信号关联的指定传输资源的确定方式在前述实施例已经说明，这里不做赘述。相应的，每个第二下行信号关联的结束可用传输资源，可以指的是在一个映射循环内该第二下行信号关联的最后一个传输资源。比如，在一个映射循环内，第i个第二下行信号关联的传输资源有4个，通过前述第四信息可以确定该第i个第二下行信号关联的指定传输资源为其中的第2个传输资源，则将该第2个传输资源作为第i个第二下行信号关联的起始可用传输资源，将该第i个第二下行信号关联的最后一个传输资源，也就是第4个传输资源作为第i个第二下行信号关联的结束可用传输资源；最终可以确定在一个映射循环内该第i个第二下行信号关联的一个或多个第一可用传输资源，包括该第i个第二下行信号关联的第2个传输资源至第4个传输资源。
或者，每个第二下行信号关联的结束可用传输资源，可以为指定传输资源，关于每个第二下行信号关联的指定传输资源的确定方式在前述实施例已经说明，这里不做赘述。相应的，每个第二下行信号关联的起始可用传输资源，可以指的是在一个映射循环内该第二下行信号关联的第一个传输资源。比如，在一个映射循环内，第i个第二下行信号关联的传输资源有4个，通过前述第四信息可以确定该第i个第二下行信号关联的指定传输资源为其中的第2个传输资源，则将该第2个传输资源作为第i个第二下行信号关联的结束可用传输资源，将该第i个第二下行信号关联的第1个传输资源作为第i个第二下行信号关联的起始可用传输资源；最终可以确定在一个映射循环内该第i个第二下行信号关联的一个或多个第一可用传输资源，包括该第i个第二下行信号关联的第1个传输资源至第2个传输资源。
或者，对前述第四信息的取值进行重新定义，比如可以定义前述第四信息的取值在第二取值范围内的情况下，用于确定两个指定传输资源，比如第四信息的取值为1的情况下，用于指定第1和第2个传输资源为指定传输资源，比如第四信息的取值为2的情况下，用于指定第1和第4个传输资源为指定传输资源等等，这里仅为示例性说明，不代表对该第四信息的取值的限定。这种情况下，每个第二下行信号关联的起始可用传输资源和结束可用传输资源，可以为两个指定传输资源。比如，在一个映射循环内，第i个第二下行信号关联的传输资源有4个，通过前述第四信息的取值可以确定该第i个第二下行信号关联的指定传输资源为其中的第1个传输资源和第3个传输资源，则将该第1个传输资源作为第i个第二下行信号关联的起始可用传输资源，第3个传输资源作为第i个第二下行信号关联的结束可用传输资源；最终可以确定在一个映射循环内该第i个第二下行信号关联的一个或多个第一可用传输资源，包括该第i个第二下行信号关联的第1个传输资源至第3个传输资源。
应理解的是，上述根据第四信息的取值确定在一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源的处理中，不同的第二下行信号关联的第一可用传输资源的数量为相同的。
在前述实施方式的基础上，接下来对本实施方式中关于终端设备确定多个目标传输资源的方式进行说明：所述多个目标传输资源，包括：在一个或多个映射循环内连续的多个传输资源。或者，所述多个目标传输资源，包括：在一个或多个映射循环中，每个映射循环内M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源。
可选地，所述多个目标传输资源，包括：在一个或多个映射循环内连续的多个传输资源。
这种情况下，该多个目标传输资源中的起始目标传输资源，为第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的第一个第一可用传输资源。其中，所述第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的第一个第一可用传输资源，为以下之一：第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的第一个可用传输资源；第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的传输资源子集中的第一个可用传输资源；第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的指定传输资源。
其中，所述第一个第二下行信号可以指的是M个第二下行信号中索引号最小的一个。
在前述实施例中已经说明，在一个映射循环内，所述M个第二下行信号中每个第二下行信号关联的一个或多个可用传输资源的确定方式；这里可以将在第一个映射循环内，M个第二下行信号中第一个第二下行信号关联的第一个可用传输资源，作为多个目标传输资源的起始目标传输资源。
同样的，在前述实施例中已经说明，在一个映射循环内，所述M个第二下行信号中每个第二下行信号关联的传输资源子集的确定方式，这里不做赘述。可以将在第一个映射循环内，M个第二下行信号中第一个第二下行信号关联的传输资源子集中的第一个可用传输资源，作为多个目标传输资源的起始目标传输资源。
在前述实施例中已经说明，在一个映射循环内，所述M个第二下行信号中每个第二下行信号关联的指定传输资源的确定方式，这里不做赘述。可以将在第一个映射循环内，M个第二下行信号中第一个第二下行信号关联的指定传输资源，作为多个目标传输资源的起始目标传输资源。需要说明的是，前述实施例还有一种可能就是指定每个第二下行信号的两个指定传输资源，这种情况下，可以将第一个映射循环内，第一个第二下行信号中的第一个指定传输资源，作为多个目标传输资源的起始目标传输资源。
具体采用以上哪种方式确定起始目标传输资源，可以为网络设备为终端设备配置的，或者可以为终端设备与网络设备预先协商确定的，只要终端设备和网络设备确定采用同样的方式来确定起始目标传输资源即可。另外，采用以上哪种方式确定起始目标传输资源，与确定PRACH的重复传输次数的方式，可以相关也可以不相关，比如，PRACH的重复传输次数等于第四数值，此时所述第四数值等于M乘以第二预设值，则终端设备可以采用以上方式任意之一确定起始目标传输资源。又比如，PRACH的重复传输资源等于第三数值，由于在确定第三数值时，可能会需要网络设备为终端设备发送第四信息以确定每个第二下行信号的第一可用传输资源，这种情况下，确定起始目标传输资源的方式可以与第四信息所指示的内容相关；示例性的，假设第四信息指示了第二下行信号关联的指定传输资源，则前述起始目标传输资源可以为第一个映射循环中第一个第二下行信号关联的指定传输资源；其他情况与其类似，不做穷举。
在确定了起始目标传输资源之后，可以将一个或多个映射循环内连续的多个传输资源作为目标传输资源；需要指出，除了起始目标传输资源之外，无论剩余的多个传输资源是否与所述M个第二下行信号中任意之一关联，都可以用于进行PRACH的重复传输。
终端设备在进行PRACH的重复传输的情况下，所述PRACH携带第一类前导码。关于第一类前导码的说明与前述实施例相同，不做赘述。本方式中，无论M个第二下行信号为网络设备指示或终端设备确定的，网络设备确定终端设备进行PRACH的重复传输、确定重复传输次数、以及确定目标传输资源的方式，均可以与前述第二参数不小于1且多个目标传输资源为在一个或多个映射循环内连续的多个传输资源的情况中，网络设备的处理方式相同，这里不做重复说明。同样的，在网络设备确定了目标传输资源之后，可以基于目标传输资源上接收到的重复传输的PRACH进行解调处理，具体的处理方式本实施例不进行限定。
可选地，所述多个目标传输资源，包括：在一个或多个映射循环中，每个映射循环内M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源。这种情况下，所述多个目标传输资源的起始目标传输资源，为第一个映射循环内，M个第二下行信号中，第一个第二下行信号关联的第一个第一可用传输资源。关于每个映射循环内M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源的确定方式，在前述实施例已经详细说明，这里不再重复。
终端设备在进行PRACH的重复传输的情况下，所述PRACH携带第一类前导码。关于第一类前导码的说明与前述实施例相同，不做赘述。本实施方式中，无论M个第二下行信号为网络设备指示或终端设备确定的，网络设备确定终端设备进行PRACH的重复传输的方式均可以与前述实施例相同，这里不做重复说明。
在网络设备确定终端设备进行PRACH的重复传输之后，可以进一步确定PRACH的重复传输次数和目标传输资源。在M个第二下行信号为网络设备指示的情况下，网络设备确定PRACH的重复传输次数和确定目标传输资源的方式与终端设备相同，不做重复说明。在M个第二下行信号为终端设备确定的情况下，网络设备确定PRACH的重复传输次数的方式与前述终端设备的处理方式相同，不做重复说明。
网络设备确定目标传输资源的方式，可以有几种不同的方式，具体为：
一种方式中，网络设备可以将当前解析得到携带第一类前导码的PRACH所在的传输资源，作为目标起始传输资源；基于一个映射循环中各个下行信号和传输资源之间的映射关系，确定该目标起始传输资源所关联的下行信号。
由于M为网络设备已知的，在M等于1的情况下，网络设备只要确定目标起始传输资源所关联的一个下行信号，就可以确定唯一的一个第二下行信号。然后网络设备可以根据PRACH的重复传输次数，确定在一个或多个映射循环中每个映射循环的一个或多个第一可用传输资源，将这部分第一可用传输资源作为目标传输资源。这种情况下，关于该第二下行信号关联的一个或多个第一可用传输资源的确定方式，与前述实施例相同，不做重复说明。
在M大于1的情况下，网络设备可以将前述确定的目标起始传输资源所关联的一个下行信号，作为M个第二下行信号中之一。然后网络设备可以将该目标起始传输资源所关联的一个下行信号，与其他可能的下行信号关联的传输资源上的信号分别进行组合，得到每一种组合的PRACH的解析结果；基于每一种组合对应的PRACH的解析结果，确定一个或多个可能的传输资源，将该一个或多个可能的传输资源所关联的下行信号，作为剩余的M-1个第二下行信号。网络设备确定全部M个第二下行信号之后，采用与前述实施例相同的方式，可以确定在一个或多个映射循环中每个映射循环的一个或多个第一可用传输资源，最终网络设备可以将在一个或 多个映射循环中每个映射循环的一个或多个第一可用传输资源作为一个或多个目标传输资源。
另一种方式中，网络设备可以接收完一个映射循环内的全部传输资源对应的内容之后，解析每个传输资源上是否存在携带第一类前导码的PRACH；在确定一个映射循环内携带第一类前导码的PRACH所占用的一个或多个传输资源后，网络设备基于映射关系、确定携带第一类前导码的PRACH所占用的每个传输资源所关联的下行信号，将携带第一类前导码的PRACH所占用的每个传输资源所关联的下行信号作为M个第二下行信号。网络设备确定全部M个第二下行信号之后，采用与前述实施例相同的方式，可以确定在一个或多个映射循环中每个映射循环的一个或多个第一可用传输资源，最终网络设备可以将在一个或多个映射循环中每个映射循环的一个或多个第一可用传输资源作为一个或多个目标传输资源。
同样的，在网络设备确定了目标传输资源之后，可以基于目标传输资源上接收到的重复传输的PRACH进行解调处理，具体的处理方式本实施例不进行限定。
以上实施方式，针对第二参数小于1、且网络设备未向终端设备配置前述第一参数(即用于确定PRACH的重复传输次数的参数)的情况下，确定PRACH的重复传输次数、确定多个目标传输资源的方式做了详细说明。下面结合图11～图14，以下行信号为SSB，第二参数为SSB_per_RO为例，进行示例性说明：
确定目标传输资源的起始目标传输资源的方式，结合图11的1110部分举例来说，全部SSB为8个，SSB_per_RO＝1/2，则一个RO可以映射1/2个SSB，也就是1个SSB映射到2个RO；假设M个第二SSB包括SSB 1、SSB2；终端设备将SSB关联的传输资源均作为可用传输资源，则SSB 1关联的一个或多个第一可用传输资源为映射循环内的第1个和第2个RO，SSB 2关联的一个或多个第一可用传输资源为映射循环内的第3个和第4个RO；SSB 1关联的第一个可用RO为：第一个映射循环1111的RO 1112，将该RO 1112作为多个目标传输资源中的起始目标传输资源。结合图11的1120部分举例来说，全部SSB为8个，SSB_per_RO＝1/4，则一个RO可以映射1/4个SSB，也就是1个SSB映射到4个RO；假设M个第二SSB包括SSB 2、SSB4，则SSB 2关联的多个可用传输资源为一个映射循环内的第5个RO至第8个RO，即在SSB1关联的4个RO之后的4个RO。SSB 2关联的第一个可用RO为：第一个映射循环1121的RO 1122，将该RO 1112作为多个目标传输资源中的起始目标传输资源。这里，一个映射循环内RO的排列为频域上按照从低频到高频且时域上按照时间先后排序，也就是先从时间最早的时域位置上的频域从低到高排列RO，然后下一个时域位置上的频域从低到高排列RO，以此类推，不做赘述。
结合图12，对所述多个目标传输资源包括在一个或多个映射循环内连续的多个传输资源做示例行说明。结合图12的1210部分举例来说：SSB_per_RO＝1/2，一个映射循环中包括16个RO，PRACH的重复传输次数等于4，假设M个第二SSB包括SSB 1、SSB2；多个目标RO的起始目标RO，可以为：SSB1关联的第一个可用RO，即图12中的RO 1211；该多个目标RO 1212包括：第1个映射循环内，该起始目标RO起以及其后连续的3个RO。结合图12的1220部分举例来说，SSB_per_RO＝1/4，一个映射循环中包括32个RO，PRACH的重复传输次数等于8，假设M个第二SSB包括SSB 2、SSB4；多个目标RO的起始目标RO，可以为：SSB2关联的第一个可用RO，即图12中的RO 1221；该多个目标RO 1222包括：第1个映射循环内，该起始目标RO起以及其后连续的7个RO。以上仅为示例性说明，不对全部可能的情况进行穷举。
结合图13，对所述多个目标传输资源，包括在一个或多个映射循环中，每个映射循环内M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源做示例行说明。结合图13的1310部分举例来说，SSB_per_RO＝1/2，一个映射循环中包括16个RO，PRACH的重复传输次数等于4，M个第二SSB包括SSB 1、SSB2；SSB 1关联的第一可用传输资源为一个映射循环内的第1个RO～第2个RO；SSB 2关联的第一可用传输资源为一个映射循环内的第3个RO～第4个RO；多个目标RO的起始目标RO，可以为：SSB1关联的第一个可用RO，即图13中的RO 1311；该多个目标RO 1312包括：第一个映射循环中的该第1个RO～第4个RO。结合图13的1320部分举例来说，SSB_per_RO＝1/4，一个映射循环中包括32个RO，PRACH的重复传输次数等于8，假设M个第二SSB包括SSB 2、SSB4；SSB 2关联的第一可用传输资源为一个映射循环内的第5个RO～第8个RO；SSB 4关联的第一可用传输资源为一个映射循环内的第13个RO～第16个RO；则所述多个目标RO中的起始目标RO为第一个映射循环内的第5个RO 1321，该多个目标RO 1322包括：第一个映射循环中的该第5个RO～第8个RO，第13个RO～第16个RO。
结合图14，对所述多个目标传输资源，包括在一个或多个映射循环中，每个映射循环内M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源做示例行说明。假设起始传输资源为指定传输资源。结合图14的1410部分举例来说，SSB_per_RO＝1/2，一个映射循环中包括16个RO，PRACH的重复传输次数等于4，M个第二SSB包括SSB 1、SSB2；SSB1的指定传输资源为第2个RO，则多个目标RO的起始目标RO，可以为：第一个映射循环中SSB1关联的第2个RO，即图14中的RO 1411；该多个目标RO包括图14中1410部分中虚线框中的：第1个映射循环内，该起始目标RO、以及SSB2关联的第2个RO，以及第2个映射循环内的SSB1关联的第2个RO、SSB2关联的第2个RO。
结合图14的1420部分举例来说，SSB_per_RO＝1/4，一个映射循环中包括32个RO，PRACH的重复传输次数等于4，M个第二SSB包括SSB2、SSB3；指定传输资源为每个SSB的第3个RO，并且每个第二下行信号关联的一个或多个第一可用传输资源为将其指定传输资源作为起始可用传输资源，将其关联的最后一个传输资源作为结束可用传输资源；则多个目标RO的起始目标RO，可以为：第一个映射循环中SSB2关联的第3个可用RO 1421；该多个目标RO 1422包括：第1个映射循环内，该起始目标RO、SSB2关联的第4个RO、以 及SSB3关联的第3个和第4个RO。以上仅为示例性说明，不对全部可能的情况进行穷举。
在一种可能的实施方式中，所述PRACH的重复传输次数可以根据网络设备配置的信息确定。
这种方式中，可以采用网络设备指示的数值，来确定PRACH的重复传输次数，这种情况下，网络设备可以是在前述第二信息中的第一参数中携带第五数值。或者，网络设备可以通过其他信息来进行指示，示例性的，网络设备的处理方法还包括：网络设备发送第三信息，所述第三信息携带第五数值，所述第五数值用于确定PRACH的重复传输次数。终端设备的处理方法还包括：所述终端设备接收第三信息，所述第三信息携带第五数值，所述第五数值用于确定PRACH的重复传输次数。
在一些可能的实施方式中，所述终端设备可以直接将所述第五数值作为PRACH的重复传输次数，也就是，所述PRACH的重复传输次数，等于所述第五数值。这种情况下，网络设备直接指示在终端设备侧PRACH的重复传输次数。
这种实施方式下，若前述第二参数不小于1，也就是M个第二下行信号中一个或多个第二下行信号关联同一个传输资源，则所述多个目标传输资源的起始目标传输资源，可以为：第一个映射循环内的第一个第二可用传输资源。
进一步地，所述多个目标传输资源可以包括该起始目标传输资源及其之后的连续的多个传输资源。此时，不论起始目标传输资源之后的连续的多个传输资源是否为M个第二下行信号所关联的，都可以作为目标传输资源。或者，所述多个目标传输资源可以包括：一个或多个映射循环中，每个映射循环内的一个或多个第二可用传输资源。关于一个映射循环内的一个或多个第二可用传输资源的确定方式在前述实施例已经详述，这里不做重复说明。
若前述第二参数小于1，也就是M个第二下行信号中不同的第二下行信号关联不同的传输资源，且每个第二下行信号关联多个传输资源。则前述多个目标传输资源的起始目标传输资源，可以为：第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的第一个第一可用传输资源。关于这种情况中，第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的第一个第一可用传输资源的确定方式，与前述实施例相同，不做赘述。
进一步地，所述多个目标传输资源可以包括该起始目标传输资源及其之后的连续的多个传输资源。此时，不论起始目标传输资源之后的连续的多个传输资源是否为M个第二下行信号所关联的，都可以作为目标传输资源。或者，所述多个目标传输资源，包括：在一个或多个映射循环中，每个映射循环内M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源。其中，关于每一个第二下行信号关联的一个或多个第一可用传输资源的确定方式，在前述实施例已经说明，这里不做赘述。
在本实施方式中，若所述多个目标传输资源，包括在一个或多个映射循环中，每个映射循环内M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源；则前述每个第二下行信号关联的第一可用传输资源的数量可以等于第五数值除以M，也就是可能每一个第二下行信号关联的第一可用传输资源的数量为相同的，因此，优选的适用于前述每一个第二下行信号关联的第一可用传输资源，为根据每个第二下行信号的传输资源子集或指定传输资源确定的。又或者，可以不限定每个第二下行信号的第一可用传输资源的数量为相同的，第五数值用于表示全部M个第二下行信号所分别关联的第一可用传输资源的数量的总和。
本实施方式中，关于各个目标传输资源的示例说明，与前述实施例类似，也不做重复举例说明。
可选地，前述终端设备在进行PRACH的重复传输的情况下，所述PRACH携带第一类前导码；该第一类前导码与前述实施例的说明相同。网络设备在不同情况下确定终端设备是否进行PRACH的重复传输、以及目标传输资源的确定方式，与前述实施方式中均为相同的，不做重复说明。
在一些可能的实施方式中，所述PRACH的重复传输次数，等于所述第五数值与第六数值的乘积。
一种可能的实施方式中，所述第六数值，为网络设备配置的，或预设的，或与第二参数相关；其中，所述第二参数用于表示一个传输资源关联的下行信号的数量。
可选地，所述第六数值，为网络设备配置的，或预设的，则该第六数值单纯的可以理解为一个计算所使用的倍数。也就是说网络设备配置了第五数值后，终端设备可以采用网络设备预配置或自身预设的一个倍数，与该第五数值相乘，得到PRACH的重复传输资源。这种情况下，关于目标传输资源的起始目标传输资源的确定方式、目标传输资源的确定方式，与前述仅使用第五数值时的第二参数小于1或不大于1的多种实施方式为相似的，仅需要将前述实施方式中的第五数值替换为第五数值和第六数值的乘积，这里不做重复说明。
可选地，所述第六数值与所述第二参数相关的情况下，所述第六数值为以下之一：在所述第二参数不小于1的情况下，等于第一预设值；在所述第二参数不小于1的情况下，等于第二参数。这里，所述第一预设值的相关说明与前述实施例相同，不做赘述。而第六数值的几种可能的取值，也可以理解为终端设备可以选取不同的倍数来计算PRACH的重复传输次数。在第二参数不小于1的情况下，一个或多个第二下行信号关联同一个第二可用传输资源，关于目标传输资源的起始目标传输资源的确定方式、目标传输资源的确定方式，与前述仅使用第五数值时的第二参数不大于1的多种实施方式为相似的，仅需要将前述实施方式中的第五数值替换为第五数值和第六数值的乘积，这里不做重复说明。
可选地，所述第六数值与所述第二参数相关的情况下，所述第六数值为以下之一：在所述第二参数小于1的情况下，等于M乘以第二预设值；其中，M为第二下行信号的数量，M为正整数；在所述第二参数小于1的情况下，等于M乘以第二参数的倒数；在所述第二参数小于1的情况下，等于M。这里，所述第二预设值的 相关说明与前述实施例相同，不做赘述。而第六数值的几种可能的取值，也可以理解为终端设备可以选取不同的倍数来计算PRACH的重复传输次数。
其中，第六数值等于M的情况中，可以将M作为第五数值的倍数，可以不代表必须控制每一个第二下行信号关联的第一可用传输资源的数量为第五数值；或者，可以将第六数值理解为第二下行信号的数量，相应的第五数值表示每一个第二下行信号关联的第一可用传输资源的数量。
进一步来说，针对第六数值等于M的情况，此时若终端设备自身确定每个第二下行信号的第一可用传输资源，则可以是：从每个第二下行信号关联的多个传输资源中，任意选取第五数值个可用传输资源，作为该第二下行信号关联的第一可用传输资源；或者，可以从每个第二下行信号关联的多个传输资源中，选取索引号最小的第五数值个可用传输资源，作为第二下行信号关联的第一可用传输资源。此时若网络设备为终端设备配置或指示每个第二下行信号的第一可用传输资源，则网络设备可以是为终端设备指示或配置每个第二下行信号关联的第五数值个第一可用传输资源。
在第二参数小于1的情况下，一个或多个第二下行信号关联同一个第二可用传输资源，关于目标传输资源的起始目标传输资源的确定方式、目标传输资源的确定方式，与前述仅使用第五数值时的第二参数大于1的多种实施方式为相似的，仅需要将前述实施方式中的第五数值替换为第五数值和第六数值的乘积，这里不做重复说明。
可选地，前述终端设备在进行PRACH的重复传输的情况下，所述PRACH携带第一类前导码；该第一类前导码与前述实施例的说明相同。网络设备在不同情况下确定终端设备是否进行PRACH的重复传输、以及目标传输资源的确定方式，与前述实施方式中均为相同的，不做重复说明。网络设备确定PRACH的重复传输次数的方式，则与本实施方式前述说明相同，因此也不做重复说明。
一种可能的实施方式中，所述第六数值与所述第二参数相关的情况下，所述第五数值为PRACH的重复传输所占用的映射循环的数量；其中，所述第二参数用于表示一个传输资源关联的下行信号的数量。
这种实施方式中，相当于网络设备为终端设备指示了在第五数值个映射循环进行PRACH的重复传输。由终端设备自身来确定每个映射循环内使用的第一可用传输资源的数量、或第二可用传输资源的数量作为第六数值；通过将第六数值和第五数值相乘，得到在第五数值个映射循环内PRACH的重复传输的总次数。
可选地，在第二参数小于1的情况下，所述第六数值，等于一个映射循环内M个第二下行信号分别关联的一个或多个第一可用传输资源的数量的总和。基于本实施方式进行处理，所述多个目标传输资源，包括：在所述第五数值个映射循环中，每个映射循环内M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源。也就是说，映射循环的数量为指定的第五数值。这里，关于每个第二下行信号关联的一个或多个第一可用传输资源的确定方式在前述实施例已经详述，这里不做赘述。关于目标传输资源的起始目标传输资源的确定方式与前述第二参数小于1的情况下的其他实施方式为相同的，因此不做赘述。
可选地，在第二参数不小于1的情况下，所述第六数值，等于一个映射循环内，一个或多个第二可用传输资源的数量；其中，所述一个或多个第二可用传输资源中每个第二可用传输资源与M个第二下行信号中的一个或多个第二下行信号关联。基于本实施方式进行处理，所述多个目标传输资源，包括：在所述第五数值个映射循环中，每个映射循环内的一个或多个第二可用传输资源。也就是说，映射循环的数量为指定的第五数值。这里，关于每个第二可用传输资源的确定方式在前述实施例已经详述，这里不做赘述。关于目标传输资源的起始目标传输资源的确定方式与前述第二参数不小于1的情况下的其他实施方式为相同的，因此不做赘述。
可选地，前述终端设备在进行PRACH的重复传输的情况下，所述PRACH携带第一类前导码；该第一类前导码与前述实施例的说明相同。网络设备在不同情况下确定终端设备是否进行PRACH的重复传输、以及目标传输资源的确定方式，与前述实施方式中均为相同的，不做重复说明。网络设备确定PRACH的重复传输次数的方式，则与本实施方式前述说明相同，因此也不做重复说明。需要指出的是，由于本实施方式中，网络设备所配置的第五数值为指定的映射循环的数量，因此，网络设备在确定一个映射循环内的目标传输资源之后，仅在前述第五数值个映射循环内对各个映射循环中目标传输资源上的PRACH进行接收以及解析等处理。
对本实施例前述第五数值作为映射循环数的处理，以下行信号为SSB，第二参数为SSB_per_RO为例，结合图15进行示例性说明：结合图15的1501部分来说，SSB_per_RO＝1/4，一个映射循环中包括32个RO，第五数值等于1，M个第二SSB包括SSB2、SSB3；每个第二下行信号(即SSB2或SSB3)关联的一个或多个第一可用传输资源为全部的可用传输资源，每个SSB关联的第一可用传输资源的数量为4，每个映射循环内SSB2和SSB3关联的第一可用传输资源的数量的总和为8，则PRACH的重复传输次数等于8；多个目标RO的起始目标RO，可以为：第一个映射循环中SSB2关联的第1个可用RO；该多个目标RO 1511包括：第1个映射循环内，SSB2关联的第4个RO、以及SSB3关联的4个RO。以上仅为示例性说明，不对全部可能的情况进行穷举。
结合图15的1502部分举例来说，SSB_per_RO＝1/2，一个映射循环中包括16个RO，第五数值等于2，M个第二SSB包括SSB 1；每个第二下行信号关联的第一可用传输资源的数量为2，则PRACH的重复传输次数为2乘以2等于4；多个目标RO的起始目标RO，可以为：第一个映射循环中SSB1关联的第1个RO；该多个目标RO包括图15中1521部分中虚线框中的：第1个映射循环内SSB1关联的2个RO，以及第2个映射循环内SSB1关联的2个RO。
结合图15的1503部分举例来说，SSB_per_RO＝1，一个映射循环中包括8个RO，第五数值等于4，M个 第二SSB包括SSB 1、SSB2；每个第二下行信号关联一个第二可用传输资源，则PRACH的重复传输次数为2乘以4等于8；多个目标RO的起始目标RO，可以为：第一个映射循环中的第1个RO；该多个目标RO包括图15中1531部分中虚线框中的：第1个映射循环～第4个映射循环内SSB1和SSB2分别关联的1个RO。
结合图15的1504部分举例来说，SSB_per_RO＝2，一个映射循环中包括4个RO，第五数值等于8，M个第二SSB包括SSB 1、SSB2；2个第二下行信号关联一个第二可用传输资源，也就是每个映射循环内包括一个第二可用传输资源，则PRACH的重复传输次数为8乘以1等于8；多个目标RO的起始目标RO，可以为：第一个映射循环中的第1个RO；该多个目标RO包括图15中1541部分中虚线框中的：第1个映射循环～第8个映射循环内的第1个RO。
结合图15的1505部分举例来说，SSB_per_RO＝8，一个映射循环中包括1个RO，第五数值等于8，M个第二SSB包括SSB 1、SSB2、SSB3；3个第二下行信号关联相同的一个第二可用传输资源，也就是每个映射循环内包括一个第二可用传输资源，则PRACH的重复传输次数为8乘以1等于8；多个目标RO的起始目标RO，可以为：第一个映射循环中的第1个RO；该多个目标RO包括图15中1551部分中虚线框中的：第1个映射循环～第8个映射循环内的1个RO。
以上多种实施方式中，针对在不同情况下如何确定PRACH的重复传输次数、多个目标传输资源进行了详细说明。
最后需要指出的是，本实施例以上全部方案中涉及到的PRACH的重复传输，可以用于四步随机接入(比如其中的msg 1)或用于两步随机接入(比如其中的msg A)，均在本实施例的保护范围内。
可见，通过采用上述方案，终端设备基于自身处理得到的结果，就可以确定是否进行PRACH的重复传输。如此，可以使得终端设备增加使能PRACH的重复传输的功能，进而在需要的时候进行PRACH的重复传输，在进行PRACH的重复传输的情况下可以增强PRACH的覆盖，从而提升PRACH的传输性能。
图16是根据本申请一实施例的终端设备的示意性框图。该终端设备可以包括：
第一处理单元1601，用于基于第一信息，确定是否进行物理随机接入信道PRACH的重复传输；其中，所述第一信息为所述终端设备处理得到的。
所述第一处理单元，用于在确定进行PRACH的重复传输的情况下，在多个目标传输资源上进行PRACH的重复传输；其中，所述多个目标传输资源的数量与PRACH的重复传输次数相同，且所述多个目标传输资源中每个目标传输资源用于进行一次PRACH传输。
所述第一处理单元，用于在所述第一信息满足第一条件的情况下，确定进行PRACH的重复传输。
所述第一信息包括上一次传输PRACH的传输结果；所述第一处理单元，用于在所述上一次传输PRACH的传输结果为传输失败的情况下，确定满足第一条件。
所述第一处理单元，用于执行以下之一：在上一次传输PRACH且未接收到随机接入响应RAR的情况下，确定所述上一次传输PRACH的传输结果为传输失败；在上一次传输PRACH且未接收到冲突解决消息的情况下，确定所述上一次传输PRACH的传输结果为传输失败。
所述第一信息包括第一下行信号的测量结果；所述第一处理单元，用于在所述第一下行信号的测量结果小于第一门限值的情况下，确定满足第一条件。
所述第一门限值，为预设的，或终端设备确定的，或网络设备配置的。
所述第一门限值为网络设备配置的情况下，由以下之一携带：特征组合前导码；随机接入信道RACH公共配置参数；消息msg A的公共配置参数；波束失败恢复配置；RACH公共配置参数中的msg A配置参数。
所述第一门限值为终端设备确定的情况下，所述第一门限值为基于第二门限值确定的；其中，所述第二门限值为网络设备配置的。
在图16的基础上，如图17所示，所述终端设备还包括：第一通信单元1602，用于接收第二信息；所述第二信息用于所述终端设备确定是否进行PRACH的重复传输。
所述第一处理单元，用于在所述第一信息满足第一条件、所述第二信息中包括第一指示信息、且所述第一指示信息用于指示开启PRACH的重复传输的情况下，确定进行PRACH的重复传输。
所述第一指示信息的取值为第一值的情况下，用于指示开启PRACH的重复传输；或者，所述第一指示信息包括的PRACH的传输类型为重复传输类型的情况下，用于指示开启PRACH的重复传输。
所述第一处理单元，用于在所述第二信息包括第一门限值、且所述第一信息满足第一条件的情况下，确定进行PRACH的重复传输；其中，所述第一门限值为与下行信号的测量结果相关的门限值。
所述第一处理单元，用于在所述第一信息满足第一条件、且所述第二信息指示的第一参数的取值为有效值的情况下，确定进行PRACH的重复传输；其中，所述第一参数的取值用于确定PRACH的重复传输次数。
所述PRACH的重复传输次数，与第二参数相关，其中，所述第二参数用于表示一个传输资源关联的下行信号的数量。
在所述第二参数不小于1的情况下，所述PRACH的重复传输次数，等于以下之一：第一数值，所述第一数值等于M乘以所述第二参数；其中，M为第二下行信号的数量，M为正整数；第二数值，所述第二数值等于M乘以第一预设值。
在所述第二参数小于1的情况下，所述PRACH的重复传输次数，等于以下之一：第三数值；所述第三数值为一个映射循环内M个第二下行信号分别关联的一个或多个第一可用传输资源的数量的总和；其中，M为正 整数；第四数值；所述第四数值等于M乘以第二预设值。
所述PRACH的重复传输次数，等于所述第三数值和第四数值中的最小值。
第一通信单元，用于接收第三信息，所述第三信息携带第五数值，所述第五数值用于确定PRACH的重复传输次数。
所述第一参数的取值包括第五数值，所述第五数值用于确定PRACH的重复传输次数。
所述PRACH的重复传输次数，等于所述第五数值。
所述PRACH的重复传输次数，等于所述第五数值与第六数值的乘积。
所述第六数值，为网络设备配置的，或预设的。
所述第六数值与第二参数相关；其中，所述第二参数用于表示一个传输资源关联的下行信号的数量；
所述第六数值为以下之一：在所述第二参数不小于1的情况下，等于第一预设值；在所述第二参数不小于1的情况下，等于第二参数。
所述第六数值与第二参数相关；其中，所述第二参数用于表示一个传输资源关联的下行信号的数量；所述第六数值为以下之一：在所述第二参数小于1的情况下，等于M乘以第二预设值；其中，M为第二下行信号的数量，M为正整数；在所述第二参数小于1的情况下，等于M乘以第二参数的倒数；在所述第二参数小于1的情况下，等于M。
所述第六数值与第二参数相关；其中，所述第二参数用于表示一个传输资源关联的下行信号的数量；所述第五数值为PRACH的重复传输所占用的映射循环的数量。
在第二参数小于1的情况下，所述第六数值，等于一个映射循环内M个第二下行信号分别关联的一个或多个第一可用传输资源的数量的总和。
在第二参数不小于1的情况下，所述第六数值，等于一个映射循环内，一个或多个第二可用传输资源的数量；其中，所述一个或多个第二可用传输资源中每个第二可用传输资源与M个第二下行信号中的一个或多个第二下行信号关联。
所述多个目标传输资源，包括：在一个或多个映射循环内连续的多个传输资源。
所述多个目标传输资源，包括：在一个或多个映射循环中，每个映射循环内M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源。
所述多个目标传输资源，包括：一个或多个映射循环中，每个映射循环内一个或多个第二可用传输资源；其中，所述一个或多个第二可用传输资源中每个第二可用传输资源与M个第二下行信号中的一个或多个第二下行信号关联。
所述多个目标传输资源，包括：在所述第五数值个映射循环中，每个映射循环内M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源。
所述多个目标传输资源，包括：在所述第五数值个映射循环中，每个映射循环内的一个或多个第二可用传输资源。
所述多个目标传输资源中的起始目标传输资源，为第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的第一个第一可用传输资源；
其中，所述第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的第一个第一可用传输资源，为以下之一：第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的第一个可用传输资源；第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的传输资源子集中的第一个可用传输资源；第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的指定传输资源。
所述多个目标传输资源中的起始目标传输资源，为第一个映射循环内的第一个第二可用传输资源。
在第二参数小于1的情况下，一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源，包括以下之一：所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个可用传输资源；所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的指定传输资源；所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的传输资源子集中的可用传输资源；所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的起始可用传输资源至结束可用传输资源之间的可用传输资源；其中，所述每个第二下行信号关联的起始可用传输资源和/或结束可用传输资源，为所述每个第二下行信号关联的指定传输资源。
第一通信单元，用于接收第四信息；其中，所述第四信息用于在第二参数小于1的情况下，确定在一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个可用传输资源。
所述第四信息中包括比特图；所述比特图用于指示一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个可用传输资源。
所述第四信息的取值在第一取值范围内的情况下，用于确定所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的传输资源子集；和/或，所述第四信息的取值在第二取值范围内的情况下，用于确定所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的指定传输资源。
一个映射循环内，所述一个或多个第二可用传输资源，包括：所述一个映射循环内，所述M个第二下行信号中每个第二下行信号关联的一个可用传输资源；其中，所述每个第二下行信号关联的一个可用传输资源，为在第二参数不小于1的情况下，基于第二参数确定的。
所述映射循环包括：多个下行信号映射的传输资源；所述多个下行信号中包括所述M个第二下行信号。
所述M个第二下行信号为所述终端设备使用的下行信号。
所述M个第二下行信号，为第五信息指示的。
所述第一处理单元，用于基于多个下行信号分别对应的测量结果，从所述多个下行信号中，选取所述M个第二下行信号；其中，M为网络设备配置的，或预设的。
所述第一处理单元，用于执行以下之一：从所述多个下行信号中，选取测量结果最大的M个第二下行信号；在所述多个下行信号中存在测量结果大于第一门限值的下行信号的情况下，基于所述测量结果大于第一门限值的下行信号，确定M个第二下行信号。
所述下行信号包括：同步信号块SSB，或者，信道状态信息参考信号CSI-RS。
所述传输资源为PRACH时机。
在进行PRACH的重复传输的情况下，所述PRACH用于携带第一类前导码；所述第一类前导码为进行PRACH的重复传输时使用的前导码；所述第一类前导码为预设的，或网络设备配置的。
本申请实施例的终端设备能够实现前述的方法实施例中的终端设备的对应功能。该终端设备中的各个模块(子模块、单元或组件等)对应的流程、功能、实现方式以及有益效果，可参见上述方法实施例中的对应描述，在此不再赘述。需要说明，关于申请实施例的终端设备中的各个模块(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。
图18是根据本申请一实施例的网络设备的示意性框图。该网络设备可以包括：
第二通信单元1801，用于用于接收物理随机接入信道PRACH；其中，所述PRACH是否为重复传输，为终端设备基于第一信息确定的，所述第一信息，为所述终端设备处理得到的。
所述第二通信单元，用于在多个目标传输资源上接收重复传输的PRACH；其中，所述多个目标传输资源的数量与PRACH的重复传输次数相同，且所述多个目标传输资源中每个目标传输资源用于接收一次PRACH。
所述网络设备还包括：第二处理单元1802，用于在接收到终端设备发送的PRACH，解析所述PRACH中携带的前导码；在所述PRACH携带的前导码为第一类前导码的情况下，所述网络设备确定终端设备进行PRACH的重复传输，通过所述第二通信单元在所述多个目标传输资源上接收所述终端设备重复传输的PRACH；其中，所述第一类前导码为终端设备进行PRACH的重复传输时使用的前导码；所述第一类前导码为预设的，或网络设备为终端设备配置的。
所述第二通信单元，用于通过以下之一，为所述终端设备配置第一门限值，所述第一门限值为与下行信号的测量结果相关的门限值：特征组合前导码；随机接入信道RACH公共配置参数；消息msg A的公共配置参数；波束失败恢复配置；RACH公共配置参数中的msg A专用配置参数。
所述第二通信单元，用于为所述终端设备配置第二门限值，所述第二门限值用于所述终端设备确定第一门限值。
所述第二通信单元，用于向终端设备发送第二信息；所述第二信息用于所述终端设备确定是否进行PRACH的重复传输。
所述第二信息中包括第一指示信息；其中，所述第一指示信息的取值为第一值的情况下，用于指示开启PRACH的重复传输；或者，所述第一指示信息包括的PRACH的传输类型为重复传输类型的情况下，用于指示开启PRACH的重复传输。
所述第二信息包括第一门限值；其中，所述第一门限值为与下行信号的测量结果相关的门限值。
所述第二信息用于指示第一参数的取值，所述第一参数的取值用于终端设备确定PRACH的重复传输次数。
所述PRACH的重复传输次数，与第二参数相关，其中，所述第二参数用于表示一个传输资源关联的下行信号的数量。
在所述第二参数不小于1的情况下，所述PRACH的重复传输次数，等于以下之一：第一数值，所述第一数值等于M乘以所述第二参数；其中，M为第二下行信号的数量，M为正整数；第二数值，所述第二数值等于M乘以第一预设值。
在所述第二参数小于1的情况下，所述PRACH的重复传输次数，等于以下之一：第三数值；所述第三数值为一个映射循环内M个第二下行信号分别关联的一个或多个第一可用传输资源的数量的总和；其中，M为正整数；第四数值；所述第四数值等于M乘以第二预设值。
所述PRACH的重复传输次数，等于所述第三数值和第四数值中的最小值。
所述第二通信单元，用于向终端设备发送第三信息，所述第三信息携带第五数值，所述第五数值用于确定PRACH的重复传输次数。
所述第一参数的取值包括第五数值，所述第五数值用于确定PRACH的重复传输次数。
所述PRACH的重复传输次数，等于所述第五数值。
所述PRACH的重复传输次数，等于所述第五数值与第六数值的乘积。
所述第六数值，为网络设备为终端设备配置的，或预设的。
所述第六数值与第二参数相关；其中，所述第二参数用于表示一个传输资源关联的下行信号的数量；所述第六数值为以下之一：在所述第二参数不小于1的情况下，等于第一预设值；在所述第二参数不小于1的情况下，等于第二参数。
所述第六数值与第二参数相关；其中，所述第二参数用于表示一个传输资源关联的下行信号的数量；所述第六数值为以下之一：在所述第二参数小于1的情况下，等于M乘以第二预设值；其中，M为第二下行信号的数量，M为正整数；在所述第二参数小于1的情况下，等于M乘以第二参数的倒数；在所述第二参数小于1的情况下，等于M。
所述第六数值与第二参数相关；其中，所述第二参数用于表示一个传输资源关联的下行信号的数量；所述第五数值为PRACH的重复传输所占用的映射循环的数量。
在第二参数小于1的情况下，所述第六数值，等于一个映射循环内M个第二下行信号分别关联的一个或多个第一可用传输资源的数量的总和。
在第二参数不小于1的情况下，所述第六数值，等于一个映射循环内，一个或多个第二可用传输资源的数量；其中，所述一个或多个第二可用传输资源中每个第二可用传输资源与M个第二下行信号中的一个或多个第二下行信号关联。
所述多个目标传输资源，包括：在一个或多个映射循环内连续的多个传输资源。
所述多个目标传输资源，包括：在一个或多个映射循环中，每个映射循环内M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源。
所述多个目标传输资源，包括：一个或多个映射循环中，每个映射循环中一个或多个第二可用传输资源；其中，所述一个或多个第二可用传输资源中每个第二可用传输资源与M个第二下行信号中的一个或多个第二下行信号关联。
所述多个目标传输资源，包括：在所述第五数值个映射循环中每个映射循环内，M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源。
所述多个目标传输资源，包括：在所述第五数值个映射循环中，每个映射循环内的一个或多个第二可用传输资源。
所述多个目标传输资源中的起始目标传输资源，为第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的第一个第一可用传输资源；其中，所述第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的第一个第一可用传输资源，为以下之一：第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的第一个可用传输资源；第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的传输资源子集中的第一个可用传输资源；第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的指定传输资源。
所述多个目标传输资源中的起始目标传输资源，为第一个映射循环内的第一个第二可用传输资源。
所述第二通信单元，用于向终端设备发送第四信息，其中，所述第四信息用于终端设备在第二参数小于1的情况下，确定在一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个可用传输资源。
所述第四信息中包括比特图；所述比特图用于指示一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个可用传输资源。
所述第四信息的取值在第一取值范围内的情况下，用于终端设备确定所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的传输资源子集；和/或，所述第四信息的取值在第二取值范围内的情况下，用于终端设备确定所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的指定传输资源。
所述映射循环包括：多个下行信号映射的传输资源；所述多个下行信号中包括所述M个第二下行信号。
所述第二通信单元，用于向终端设备发送第五信息，所述第五信息用于指示M个第二下行信号。
所述下行信号包括：同步信号块SSB，或者，信道状态信息参考信号CSI-RS。
所述传输资源为PRACH时机。
本申请实施例的网络设备能够实现前述的方法实施例中的网络设备的对应功能。该网络设备除了上述第二通信单元之外，还可以包括第二处理单元，该第二处理单元可以用于确定PRACH的重复传输次数以及目标传输资源等处理，只是在图中未对其进行示意说明。该网络设备中的各个模块(子模块、单元或组件等)对应的流程、功能、实现方式以及有益效果，可参见上述方法实施例中的对应描述，在此不再赘述。需要说明，关于申请实施例的网络设备中的各个模块(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。
图19是根据本申请实施例的通信设备1900示意性结构图。该通信设备1900包括处理器1910，处理器1910可以从存储器中调用并运行计算机程序，以使通信设备1900实现本申请实施例中的方法。
在一种实施方式中，通信设备1900还可以包括存储器1920。其中，处理器1910可以从存储器1920中调用并运行计算机程序，以使通信设备1900实现本申请实施例中的方法。其中，存储器1920可以是独立于处理器1910的一个单独的器件，也可以集成在处理器1910中。
在一种实施方式中，通信设备1900还可以包括收发器1930，处理器1910可以控制该收发器1930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1930可以包括发射机和接收机。收发器1930还可以进一步包括天线，天线的数量可以为一个或多个。
在一种实施方式中，该通信设备1900可为本申请实施例的终端设备，并且该通信设备1900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。
在一种实施方式中，该通信设备1900可为本申请实施例的网络设备，并且该通信设备1900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20是根据本申请实施例的芯片2000的示意性结构图。该芯片2000包括处理器2010，处理器2010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。
在一种实施方式中，芯片2000还可以包括存储器2020。其中，处理器2010可以从存储器2020中调用并运行计算机程序，以实现本申请实施例中由终端设备、或网络设备执行的方法。其中，存储器2020可以是独立于处理器2010的一个单独的器件，也可以集成在处理器2010中。
在一种实施方式中，该芯片2000还可以包括输入接口2030。其中，处理器2010可以控制该输入接口2030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。
在一种实施方式中，该芯片2000还可以包括输出接口2040。其中，处理器2010可以控制该输出接口2040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。
在一种实施方式中，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。
在一种实施方式中，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。
应用于终端设备和网络设备的芯片可以是相同的芯片或不同的芯片。应理解，本申请实施例提到的芯片还可以称为系统级芯片，系统芯片，芯片系统或片上系统芯片等。
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21是根据本申请实施例的通信系统2100的示意性框图。该通信系统2100包括终端设备2110、网络设备2120。终端设备2110，用于执行上述的通信方法；网络设备2120，用于执行上述的通信方法。
其中，该终端设备2110可以用于实现上述方法中由终端设备实现的相应的功能，该网络设备2120可以用于实现上述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中的流程或功能。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括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，上述描述的系统、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 (175)

  1. 一种通信方法，包括：
    终端设备基于第一信息，确定是否进行物理随机接入信道PRACH的重复传输；其中，所述第一信息为所述终端设备处理得到的。
  2. 根据权利要求1所述的方法，其中，所述方法还包括：
    在确定进行PRACH的重复传输的情况下，所述终端设备在多个目标传输资源上进行PRACH的重复传输；其中，所述多个目标传输资源的数量与PRACH的重复传输次数相同，且所述多个目标传输资源中每个目标传输资源用于进行一次PRACH传输。
  3. 根据权利要求2所述的方法，其中，所述终端设备基于第一信息，确定是否进行PRACH的重复传输，包括：
    所述终端设备在所述第一信息满足第一条件的情况下，确定进行PRACH的重复传输。
  4. 根据权利要求3所述的方法，其中，所述第一信息包括上一次传输PRACH的传输结果；
    所述方法还包括：所述终端设备在所述上一次传输PRACH的传输结果为传输失败的情况下，确定满足第一条件。
  5. 根据权利要求4所述的方法，其中，所述方法还包括以下之一：
    所述终端设备在上一次传输PRACH且未接收到随机接入响应RAR的情况下，确定所述上一次传输PRACH的传输结果为传输失败；
    所述终端设备在上一次传输PRACH且未接收到冲突解决消息的情况下，确定所述上一次传输PRACH的传输结果为传输失败。
  6. 根据权利要求3-5任一项所述的方法，其中，所述第一信息包括第一下行信号的测量结果；
    所述方法还包括：所述终端设备在所述第一下行信号的测量结果小于第一门限值的情况下，确定满足第一条件。
  7. 根据权利要求6所述的方法，其中，所述第一门限值，为预设的，或终端设备确定的，或网络设备配置的。
  8. 根据权利要求7所述的方法，其中，所述第一门限值为网络设备配置的情况下，由以下之一携带：特征组合前导码；随机接入信道RACH公共配置参数；消息msg A的公共配置参数；波束失败恢复配置；RACH公共配置参数中的msg A配置参数。
  9. 根据权利要求7所述的方法，其中，所述第一门限值为终端设备确定的情况下，所述第一门限值为基于第二门限值确定的；其中，所述第二门限值为网络设备配置的。
  10. 根据权利要求3-6任一项所述的方法，其中，所述方法还包括：
    所述终端设备接收第二信息；所述第二信息用于所述终端设备确定是否进行PRACH的重复传输。
  11. 根据权利要求10所述的方法，其中，所述终端设备在所述第一信息满足第一条件的情况下，确定进行PRACH的重复传输，包括：
    所述终端设备在所述第一信息满足第一条件、所述第二信息中包括第一指示信息、且所述第一指示信息用于指示开启PRACH的重复传输的情况下，确定进行PRACH的重复传输。
  12. 根据权利要求11所述的方法，其中，所述第一指示信息的取值为第一值的情况下，用于指示开启PRACH的重复传输；
    或者，所述第一指示信息包括的PRACH的传输类型为重复传输类型的情况下，用于指示开启PRACH的重复传输。
  13. 根据权利要求10-12任一项所述的方法，其中，所述终端设备在所述第一信息满足第一条件的情况下，确定进行PRACH的重复传输，包括：
    所述终端设备在所述第一信息满足第一条件、且所述第二信息包括第一门限值的情况下，确定进行PRACH的重复传输；其中，所述第一门限值为与下行信号的测量结果相关的门限值。
  14. 根据权利要求10-13任一项所述的方法，其中，所述终端设备在所述第一信息满足第一条件的情况下，确定进行PRACH的重复传输，包括：
    所述终端设备在所述第一信息满足第一条件、且所述第二信息指示的第一参数的取值为有效值的情况下，确定进行PRACH的重复传输；其中，所述第一参数的取值用于确定PRACH的重复传输次数。
  15. 根据权利要求2-13任一项所述的方法，其中，所述PRACH的重复传输次数，与第二参数相关，其中，所述第二参数用于表示一个传输资源关联的下行信号的数量。
  16. 根据权利要求15所述的方法，其中，在所述第二参数不小于1的情况下，所述PRACH的重复传输次数，等于以下之一：
    第一数值，所述第一数值等于M乘以所述第二参数；其中，M为第二下行信号的数量，M为正整数；
    第二数值，所述第二数值等于M乘以第一预设值。
  17. 根据权利要求15所述的方法，其中，在所述第二参数小于1的情况下，所述PRACH的重复传输次数，等于以下之一：
    第三数值；所述第三数值为一个映射循环内M个第二下行信号分别关联的一个或多个第一可用传输资源的 数量的总和；其中，M为正整数；
    第四数值；所述第四数值等于M乘以第二预设值。
  18. 根据权利要求17所述的方法，其中，所述PRACH的重复传输次数，等于所述第三数值和第四数值中的最小值。
  19. 根据权利要求2-13任一项所述的方法，其中，所述方法还包括：
    所述终端设备接收第三信息；所述第三信息携带第五数值，所述第五数值用于确定PRACH的重复传输次数。
  20. 根据权利要求14所述的方法，其中，所述第一参数的取值包括第五数值，所述第五数值用于确定PRACH的重复传输次数。
  21. 根据权利要求19或20所述的方法，其中，所述PRACH的重复传输次数，等于所述第五数值。
  22. 根据权利要求19或20所述的方法，其中，所述PRACH的重复传输次数，等于所述第五数值与第六数值的乘积。
  23. 根据权利要求22所述的方法，其中，所述第六数值，为网络设备配置的，或预设的。
  24. 根据权利要求22所述的方法，其中，所述第六数值与第二参数相关；其中，所述第二参数用于表示一个传输资源关联的下行信号的数量；
    所述第六数值为以下之一：在所述第二参数不小于1的情况下，等于第一预设值；在所述第二参数不小于1的情况下，等于第二参数。
  25. 根据权利要求22所述的方法，其中，所述第六数值与第二参数相关；其中，所述第二参数用于表示一个传输资源关联的下行信号的数量；所述第六数值为以下之一：
    在所述第二参数小于1的情况下，等于M乘以第二预设值；其中，M为第二下行信号的数量，M为正整数；
    在所述第二参数小于1的情况下，等于M乘以第二参数的倒数；
    在所述第二参数小于1的情况下，等于M。
  26. 根据权利要求22所述的方法，其中，所述第六数值与第二参数相关；其中，所述第二参数用于表示一个传输资源关联的下行信号的数量；所述第五数值为PRACH的重复传输所占用的映射循环的数量。
  27. 根据权利要求26所述的方法，其中，在第二参数小于1的情况下，所述第六数值，等于一个映射循环内M个第二下行信号分别关联的一个或多个第一可用传输资源的数量的总和。
  28. 根据权利要求26所述的方法，其中，在第二参数不小于1的情况下，所述第六数值，等于一个映射循环内，一个或多个第二可用传输资源的数量；其中，所述一个或多个第二可用传输资源中每个第二可用传输资源与M个第二下行信号中的一个或多个第二下行信号关联。
  29. 根据权利要求16-18、21-25任一项所述的方法，其中，所述多个目标传输资源，包括：在一个或多个映射循环内连续的多个传输资源。
  30. 根据权利要求17、18、21-23、25任一项所述的方法，其中，所述多个目标传输资源，包括：在一个或多个映射循环中，每个映射循环内M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源。
  31. 根据权利要求16、21、22、24任一项所述的方法，其中，所述多个目标传输资源，包括：一个或多个映射循环中，每个映射循环内一个或多个第二可用传输资源；其中，所述一个或多个第二可用传输资源中每个第二可用传输资源与M个第二下行信号中的一个或多个第二下行信号关联。
  32. 根据权利要求27所述的方法，其中，所述多个目标传输资源，包括：在所述第五数值个映射循环中，每个映射循环内M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源。
  33. 根据权利要求28所述的方法，其中，所述多个目标传输资源，包括：在所述第五数值个映射循环中，每个映射循环内的一个或多个第二可用传输资源。
  34. 根据权利要求29、30、32任一项所述的方法，其中，所述多个目标传输资源中的起始目标传输资源，为第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的第一个第一可用传输资源；
    其中，所述第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的第一个第一可用传输资源，为以下之一：
    第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的第一个可用传输资源；
    第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的传输资源子集中的第一个可用传输资源；
    第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的指定传输资源。
  35. 根据权利要求29、31、33任一项所述的方法，其中，所述多个目标传输资源中的起始目标传输资源，为第一个映射循环内的第一个第二可用传输资源。
  36. 根据权利要求17、27、30、32任一项所述的方法，其中，在第二参数小于1的情况下，一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源，包括以下之一：
    所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个可用传输资源；
    所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的指定传输资源；
    所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的传输资源子集中的可用传输资源；
    所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的起始可用传输资源至结束可用传输 资源之间的可用传输资源；其中，所述每个第二下行信号关联的起始可用传输资源和/或结束可用传输资源，为所述每个第二下行信号关联的指定传输资源。
  37. 根据权利要求34或36所述的方法，其中，所述方法还包括：
    所述终端设备接收第四信息；其中，所述第四信息用于在第二参数小于1的情况下，确定在一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个可用传输资源。
  38. 根据权利要求37所述的方法，其中，所述第四信息中包括比特图；所述比特图用于指示一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个可用传输资源。
  39. 根据权利要求37所述的方法，其中，所述第四信息的取值在第一取值范围内的情况下，用于确定所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的传输资源子集；
    和/或，所述第四信息的取值在第二取值范围内的情况下，用于确定所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的指定传输资源。
  40. 根据权利要求28、31、33任一项所述的方法，其中，一个映射循环内，所述一个或多个第二可用传输资源，包括：所述一个映射循环内，所述M个第二下行信号中每个第二下行信号关联的一个可用传输资源；其中，所述每个第二下行信号关联的一个可用传输资源，为在第二参数不小于1的情况下，基于第二参数确定的。
  41. 根据权利要求17、26-38任一项所述的方法，其中，所述映射循环包括：多个下行信号映射的传输资源；所述多个下行信号中包括所述M个第二下行信号。
  42. 根据权利要求17、27、28、30-32、34、36-38、40、41任一项所述的方法，其中，所述M个第二下行信号为所述终端设备使用的下行信号。
  43. 根据权利要求42所述的方法，其中，所述M个第二下行信号，为第五信息指示的。
  44. 根据权利要求42所述的方法，其中，所述方法还包括：
    所述终端设备基于多个下行信号分别对应的测量结果，从所述多个下行信号中选取所述M个第二下行信号；其中，M为网络设备配置的，或预设的。
  45. 根据权利要求44所述的方法，其中，所述从所述多个下行信号中选取M个第二下行信号，包括以下之一：
    从所述多个下行信号中，选取测量结果最大的M个第二下行信号；
    在所述多个下行信号中存在测量结果大于第一门限值的下行信号的情况下，基于所述测量结果大于第一门限值的下行信号，确定M个第二下行信号。
  46. 根据权利要求6、13、15-18、23、25-28、30-34、36-45任一项所述的方法，其中，所述下行信号包括：同步信号块SSB，或者，信道状态信息参考信号CSI-RS。
  47. 根据权利要求2-46任一项所述的方法，其中，所述传输资源为PRACH时机。
  48. 根据权利要求2-47任一项所述的方法，其中，在进行PRACH的重复传输的情况下，所述PRACH携带第一类前导码；所述第一类前导码为进行PRACH的重复传输时使用的前导码；所述第一类前导码为预设的，或网络设备配置的。
  49. 一种通信方法，包括：
    网络设备接收物理随机接入信道PRACH；其中，所述PRACH是否为重复传输，为终端设备基于第一信息确定的，所述第一信息为所述终端设备处理得到的。
  50. 根据权利要求49所述的方法，其中，所述网络设备接收PRACH，包括：
    所述网络设备在多个目标传输资源上接收重复传输的PRACH；其中，所述多个目标传输资源的数量与PRACH的重复传输次数相同，且所述多个目标传输资源中每个目标传输资源用于接收一次PRACH。
  51. 根据权利要求50所述的方法，其中，所述网络设备在多个目标传输资源上接收重复传输的PRACH，包括：
    所述网络设备接收到终端设备发送的PRACH，解析所述PRACH中携带的前导码；
    在所述PRACH携带的前导码为第一类前导码的情况下，所述网络设备确定终端设备进行PRACH的重复传输，所述网络设备在所述多个目标传输资源上接收所述终端设备重复传输的PRACH；其中，所述第一类前导码为终端设备进行PRACH的重复传输时使用的前导码；所述第一类前导码为预设的，或网络设备为终端设备配置的。
  52. 根据权利要求51所述的方法，其中，所述方法还包括：
    所述网络设备通过以下之一，为所述终端设备配置第一门限值，所述第一门限值为与下行信号的测量结果相关的门限值：特征组合前导码；随机接入信道RACH公共配置参数；消息msg A的公共配置参数；波束失败恢复配置；RACH公共配置参数中的msg A专用配置参数。
  53. 根据权利要求51所述的方法，其中，所述方法还包括：所述网络设备为所述终端设备配置第二门限值，所述第二门限值用于所述终端设备确定第一门限值。
  54. 根据权利要求51所述的方法，其中，所述方法还包括：
    所述网络设备向终端设备发送第二信息；所述第二信息用于所述终端设备确定是否进行PRACH的重复传输。
  55. 根据权利要求54所述的方法，其中，所述第二信息中包括第一指示信息；
    其中，所述第一指示信息的取值为第一值的情况下，用于指示开启PRACH的重复传输；或者，所述第一指示信息包括的PRACH的传输类型为重复传输类型的情况下，用于指示开启PRACH的重复传输。
  56. 根据权利要求54或55所述的方法，其中，所述第二信息包括第一门限值；其中，所述第一门限值为与下行信号的测量结果相关的门限值。
  57. 根据权利要求54-56任一项所述的方法，其中，所述第二信息用于指示第一参数的取值，所述第一参数的取值用于终端设备确定PRACH的重复传输次数。
  58. 根据权利要求51-56任一项所述的方法，其中，所述PRACH的重复传输次数，与第二参数相关，其中，所述第二参数用于表示一个传输资源关联的下行信号的数量。
  59. 根据权利要求58所述的方法，其中，在所述第二参数不小于1的情况下，所述PRACH的重复传输次数，等于以下之一：第一数值，所述第一数值等于M乘以所述第二参数；其中，M为第二下行信号的数量，M为正整数；第二数值，所述第二数值等于M乘以第一预设值。
  60. 根据权利要求58所述的方法，其中，在所述第二参数小于1的情况下，所述PRACH的重复传输次数，等于以下之一：第三数值；所述第三数值为一个映射循环内M个第二下行信号分别关联的一个或多个第一可用传输资源的数量的总和；其中，M为正整数；第四数值；所述第四数值等于M乘以第二预设值。
  61. 根据权利要求60所述的方法，其中，所述PRACH的重复传输次数，等于所述第三数值和第四数值中的最小值。
  62. 根据权利要求51-56任一项所述的方法，其中，所述方法还包括：所述网络设备向终端设备发送第三信息，所述第三信息携带第五数值，所述第五数值用于确定PRACH的重复传输次数。
  63. 根据权利要求57所述的方法，其中，所述第一参数的取值包括第五数值，所述第五数值用于确定PRACH的重复传输次数。
  64. 根据权利要求62或63所述的方法，其中，所述PRACH的重复传输次数，等于所述第五数值。
  65. 根据权利要求62或63所述的方法，其中，所述PRACH的重复传输次数，等于所述第五数值与第六数值的乘积。
  66. 根据权利要求65所述的方法，其中，所述第六数值，为网络设备为终端设备配置的，或预设的。
  67. 根据权利要求65所述的方法，其中，所述第六数值与第二参数相关；其中，所述第二参数用于表示一个传输资源关联的下行信号的数量；所述第六数值为以下之一：在所述第二参数不小于1的情况下，等于第一预设值；在所述第二参数不小于1的情况下，等于第二参数。
  68. 根据权利要求65所述的方法，其中，所述第六数值与第二参数相关；其中，所述第二参数用于表示一个传输资源关联的下行信号的数量；所述第六数值为以下之一：在所述第二参数小于1的情况下，等于M乘以第二预设值；其中，M为第二下行信号的数量，M为正整数；在所述第二参数小于1的情况下，等于M乘以第二参数的倒数；在所述第二参数小于1的情况下，等于M。
  69. 根据权利要求65所述的方法，其中，所述第六数值与第二参数相关；其中，所述第二参数用于表示一个传输资源关联的下行信号的数量；所述第五数值为PRACH的重复传输所占用的映射循环的数量。
  70. 根据权利要求69所述的方法，其中，在第二参数小于1的情况下，所述第六数值，等于一个映射循环内M个第二下行信号分别关联的一个或多个第一可用传输资源的数量的总和。
  71. 根据权利要求69所述的方法，其中，在第二参数不小于1的情况下，所述第六数值，等于一个映射循环内，一个或多个第二可用传输资源的数量；其中，所述一个或多个第二可用传输资源中每个第二可用传输资源与M个第二下行信号中的一个或多个第二下行信号关联。
  72. 根据权利要求59-61、64-68任一项所述的方法，其中，所述多个目标传输资源，包括：在一个或多个映射循环内连续的多个传输资源。
  73. 根据权利要求60、61、64-66、68任一项所述的方法，其中，所述多个目标传输资源，包括：在一个或多个映射循环中，每个映射循环内M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源。
  74. 根据权利要求59、64、65、67任一项所述的方法，其中，所述多个目标传输资源，包括：一个或多个映射循环中，每个映射循环中一个或多个第二可用传输资源；其中，所述一个或多个第二可用传输资源中每个第二可用传输资源与M个第二下行信号中的一个或多个第二下行信号关联。
  75. 根据权利要求70所述的方法，其中，所述多个目标传输资源，包括：在所述第五数值个映射循环中每个映射循环内，M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源。
  76. 根据权利要求71所述的方法，其中，所述多个目标传输资源，包括：在所述第五数值个映射循环中，每个映射循环内的一个或多个第二可用传输资源。
  77. 根据权利要求72、73、75任一项所述的方法，其中，所述多个目标传输资源中的起始目标传输资源，为第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的第一个第一可用传输资源；其中，所述第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的第一个第一可用传输资源，为以下之一：第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的第一个可用传输资源；第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的传输资源子集中的第一个可用传输资源；第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的指定传输资源。
  78. 根据权利要求72、74、76任一项所述的方法，其中，所述多个目标传输资源中的起始目标传输资源， 为第一个映射循环内的第一个第二可用传输资源。
  79. 根据权利要求60、70、73、75、77任一项所述的方法，其中，所述方法还包括：
    所述网络设备向终端设备发送第四信息，其中，所述第四信息用于终端设备在第二参数小于1的情况下，确定在一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个可用传输资源。
  80. 根据权利要求79所述的方法，其中，所述第四信息中包括比特图；所述比特图用于指示一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个可用传输资源。
  81. 根据权利要求79所述的方法，其中，所述第四信息的取值在第一取值范围内的情况下，用于终端设备确定所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的传输资源子集；
    和/或，所述第四信息的取值在第二取值范围内的情况下，用于终端设备确定所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的指定传输资源。
  82. 根据权利要求60、69-81任一项所述的方法，其中，所述映射循环包括：多个下行信号映射的传输资源；所述多个下行信号中包括所述M个第二下行信号。
  83. 根据权利要求60、70、71、73-77、79-82任一项所述的方法，其中，所述方法还包括：
    所述网络设备向终端设备发送第五信息，所述第五信息用于指示M个第二下行信号。
  84. 根据权利要求52、56-60、66、68、70、71、73-77、79-82任一项所述的方法，其中，所述下行信号包括：同步信号块SSB，或者，信道状态信息参考信号CSI-RS。
  85. 根据权利要求50-84任一项所述的方法，其中，所述传输资源为PRACH时机。
  86. 一种终端设备，包括：
    第一处理单元，用于基于第一信息，确定是否进行物理随机接入信道PRACH的重复传输；其中，所述第一信息为所述终端设备处理得到的。
  87. 根据权利要求86所述的终端设备，其中，所述第一处理单元，用于在确定进行PRACH的重复传输的情况下，在多个目标传输资源上进行PRACH的重复传输；其中，所述多个目标传输资源的数量与PRACH的重复传输次数相同，且所述多个目标传输资源中每个目标传输资源用于进行一次PRACH传输。
  88. 根据权利要求87所述的终端设备，其中，所述第一处理单元，用于在所述第一信息满足第一条件的情况下，确定进行PRACH的重复传输。
  89. 根据权利要求88所述的终端设备，其中，所述第一信息包括上一次传输PRACH的传输结果；所述第一处理单元，用于在所述上一次传输PRACH的传输结果为传输失败的情况下，确定满足第一条件。
  90. 根据权利要求89所述的终端设备，其中，所述第一处理单元，用于执行以下之一：在上一次传输PRACH且未接收到随机接入响应RAR的情况下，确定所述上一次传输PRACH的传输结果为传输失败；在上一次传输PRACH且未接收到冲突解决消息的情况下，确定所述上一次传输PRACH的传输结果为传输失败。
  91. 根据权利要求88-90任一项所述的终端设备，其中，所述第一信息包括第一下行信号的测量结果；所述第一处理单元，用于在所述第一下行信号的测量结果小于第一门限值的情况下，确定满足第一条件。
  92. 根据权利要求91所述的终端设备，其中，所述第一门限值，为预设的，或终端设备确定的，或网络设备配置的。
  93. 根据权利要求92所述的终端设备，其中，所述第一门限值为网络设备配置的情况下，由以下之一携带：特征组合前导码；随机接入信道RACH公共配置参数；消息msg A的公共配置参数；波束失败恢复配置；RACH公共配置参数中的msg A配置参数。
  94. 根据权利要求92所述的终端设备，其中，所述第一门限值为终端设备确定的情况下，所述第一门限值为基于第二门限值确定的；其中，所述第二门限值为网络设备配置的。
  95. 根据权利要求88-91任一项所述的终端设备，其中，所述终端设备还包括：
    第一通信单元，用于接收第二信息；所述第二信息用于所述终端设备确定是否进行PRACH的重复传输。
  96. 根据权利要求95所述的终端设备，其中，所述第一处理单元，用于在所述第一信息满足第一条件、所述第二信息中包括第一指示信息、且所述第一指示信息用于指示开启PRACH的重复传输的情况下，确定进行PRACH的重复传输。
  97. 根据权利要求96所述的终端设备，其中，所述第一指示信息的取值为第一值的情况下，用于指示开启PRACH的重复传输；或者，所述第一指示信息包括的PRACH的传输类型为重复传输类型的情况下，用于指示开启PRACH的重复传输。
  98. 根据权利要求95-97任一项所述的终端设备，其中，所述第一处理单元，用于在所述第二信息包括第一门限值、且所述第一信息满足第一条件的情况下，确定进行PRACH的重复传输；其中，所述第一门限值为与下行信号的测量结果相关的门限值。
  99. 根据权利要求95-98任一项所述的终端设备，其中，所述第一处理单元，用于在所述第一信息满足第一条件、且所述第二信息指示的第一参数的取值为有效值的情况下，确定进行PRACH的重复传输；其中，所述第一参数的取值用于确定PRACH的重复传输次数。
  100. 根据权利要求87-98任一项所述的终端设备，其中，所述PRACH的重复传输次数，与第二参数相关，其中，所述第二参数用于表示一个传输资源关联的下行信号的数量。
  101. 根据权利要求100所述的终端设备，其中，在所述第二参数不小于1的情况下，所述PRACH的重复传 输次数，等于以下之一：第一数值，所述第一数值等于M乘以所述第二参数；其中，M为第二下行信号的数量，M为正整数；第二数值，所述第二数值等于M乘以第一预设值。
  102. 根据权利要求100所述的终端设备，其中，在所述第二参数小于1的情况下，所述PRACH的重复传输次数，等于以下之一：第三数值；所述第三数值为一个映射循环内M个第二下行信号分别关联的一个或多个第一可用传输资源的数量的总和；其中，M为正整数；第四数值；所述第四数值等于M乘以第二预设值。
  103. 根据权利要求102所述的终端设备，其中，所述PRACH的重复传输次数，等于所述第三数值和第四数值中的最小值。
  104. 根据权利要求87-98任一项所述的终端设备，其中，所述终端设备还包括：第一通信单元，用于接收第三信息，所述第三信息携带第五数值，所述第五数值用于确定PRACH的重复传输次数。
  105. 根据权利要求99所述的终端设备，其中，所述第一参数的取值包括第五数值，所述第五数值用于确定PRACH的重复传输次数。
  106. 根据权利要求104或105所述的终端设备，其中，所述PRACH的重复传输次数，等于所述第五数值。
  107. 根据权利要求104或105所述的终端设备，其中，所述PRACH的重复传输次数，等于所述第五数值与第六数值的乘积。
  108. 根据权利要求107所述的终端设备，其中，所述第六数值，为网络设备配置的，或预设的。
  109. 根据权利要求107所述的终端设备，其中，所述第六数值与第二参数相关；其中，所述第二参数用于表示一个传输资源关联的下行信号的数量；
    所述第六数值为以下之一：在所述第二参数不小于1的情况下，等于第一预设值；在所述第二参数不小于1的情况下，等于第二参数。
  110. 根据权利要求107所述的终端设备，其中，所述第六数值与第二参数相关；其中，所述第二参数用于表示一个传输资源关联的下行信号的数量；所述第六数值为以下之一：在所述第二参数小于1的情况下，等于M乘以第二预设值；其中，M为第二下行信号的数量，M为正整数；在所述第二参数小于1的情况下，等于M乘以第二参数的倒数；在所述第二参数小于1的情况下，等于M。
  111. 根据权利要求107所述的终端设备，其中，所述第六数值与第二参数相关；其中，所述第二参数用于表示一个传输资源关联的下行信号的数量；所述第五数值为PRACH的重复传输所占用的映射循环的数量。
  112. 根据权利要求111所述的终端设备，其中，在第二参数小于1的情况下，所述第六数值，等于一个映射循环内M个第二下行信号分别关联的一个或多个第一可用传输资源的数量的总和。
  113. 根据权利要求111所述的终端设备，其中，在第二参数不小于1的情况下，所述第六数值，等于一个映射循环内，一个或多个第二可用传输资源的数量；其中，所述一个或多个第二可用传输资源中每个第二可用传输资源与M个第二下行信号中的一个或多个第二下行信号关联。
  114. 根据权利要求101-103、106-110任一项所述的终端设备，其中，所述多个目标传输资源，包括：在一个或多个映射循环内连续的多个传输资源。
  115. 根据权利要求102、103、106-108、110任一项所述的终端设备，其中，所述多个目标传输资源，包括：在一个或多个映射循环中，每个映射循环内M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源。
  116. 根据权利要求101、106、107、109任一项所述的终端设备，其中，所述多个目标传输资源，包括：一个或多个映射循环中，每个映射循环内一个或多个第二可用传输资源；其中，所述一个或多个第二可用传输资源中每个第二可用传输资源与M个第二下行信号中的一个或多个第二下行信号关联。
  117. 根据权利要求112所述的终端设备，其中，所述多个目标传输资源，包括：在所述第五数值个映射循环中，每个映射循环内M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源。
  118. 根据权利要求113所述的终端设备，其中，所述多个目标传输资源，包括：在所述第五数值个映射循环中，每个映射循环内的一个或多个第二可用传输资源。
  119. 根据权利要求114、115、117任一项所述的终端设备，其中，所述多个目标传输资源中的起始目标传输资源，为第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的第一个第一可用传输资源；其中，所述第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的第一个第一可用传输资源，为以下之一：第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的第一个可用传输资源；第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的传输资源子集中的第一个可用传输资源；第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的指定传输资源。
  120. 根据权利要求114、116、118任一项所述的终端设备，其中，所述多个目标传输资源中的起始目标传输资源，为第一个映射循环内的第一个第二可用传输资源。
  121. 根据权利要求102、112、115、117任一项所述的终端设备，其中，在第二参数小于1的情况下，一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源，包括以下之一：所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个可用传输资源；所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的指定传输资源；所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的传输资源子集中的可用传输资源；所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的起始可用传输资源至结束可用传输资源之间的可用传输资源；其中，所述 每个第二下行信号关联的起始可用传输资源和/或结束可用传输资源，为所述每个第二下行信号关联的指定传输资源。
  122. 根据权利要求119或121所述的终端设备，其中，所述终端设备还包括：
    第一通信单元，用于接收第四信息；其中，所述第四信息用于在第二参数小于1的情况下，确定在一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个可用传输资源。
  123. 根据权利要求122所述的终端设备，其中，所述第四信息中包括比特图；所述比特图用于指示一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个可用传输资源。
  124. 根据权利要求122所述的终端设备，其中，所述第四信息的取值在第一取值范围内的情况下，用于确定所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的传输资源子集；和/或，所述第四信息的取值在第二取值范围内的情况下，用于确定所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的指定传输资源。
  125. 根据权利要求113、116、118任一项所述的终端设备，其中，一个映射循环内，所述一个或多个第二可用传输资源，包括：所述一个映射循环内，所述M个第二下行信号中每个第二下行信号关联的一个可用传输资源；其中，所述每个第二下行信号关联的一个可用传输资源，为在第二参数不小于1的情况下，基于第二参数确定的。
  126. 根据权利要求102、111-125任一项所述的终端设备，其中，所述映射循环包括：多个下行信号映射的传输资源；所述多个下行信号中包括所述M个第二下行信号。
  127. 根据权利要求102、112、113、115-117、119、121-126任一项所述的终端设备，其中，所述M个第二下行信号为所述终端设备使用的下行信号。
  128. 根据权利要求127所述的终端设备，其中，所述M个第二下行信号，为第五信息指示的。
  129. 根据权利要求127所述的终端设备，其中，所述第一处理单元，用于基于多个下行信号分别对应的测量结果，从所述多个下行信号中，选取所述M个第二下行信号；其中，M为网络设备配置的，或预设的。
  130. 根据权利要求129所述的终端设备，其中，所述第一处理单元，用于执行以下之一：从所述多个下行信号中，选取测量结果最大的M个第二下行信号；在所述多个下行信号中存在测量结果大于第一门限值的下行信号的情况下，基于所述测量结果大于第一门限值的下行信号，确定M个第二下行信号。
  131. 根据权利要求91、98、100-102、109-113、115-117、119、121-130任一项所述的终端设备，其中，所述下行信号包括：同步信号块SSB，或者，信道状态信息参考信号CSI-RS。
  132. 根据权利要求87-131任一项所述的终端设备，其中，所述传输资源为PRACH时机。
  133. 根据权利要求87-132任一项所述的终端设备，其中，在进行PRACH的重复传输的情况下，所述PRACH用于携带第一类前导码；所述第一类前导码，为进行PRACH的重复传输时使用的前导码；所述第一类前导码为预设的，或网络设备配置的。
  134. 一种网络设备，包括：
    第二通信单元，用于接收物理随机接入信道PRACH；其中，所述PRACH是否为重复传输，为终端设备基于第一信息确定的，所述第一信息为所述终端设备处理得到的。
  135. 根据权利要求134所述的网络设备，其中，所述第二通信单元，用于在多个目标传输资源上接收重复传输的PRACH；其中，所述多个目标传输资源的数量与PRACH的重复传输次数相同，且所述多个目标传输资源中每个目标传输资源用于接收一次PRACH。
  136. 根据权利要求135所述的网络设备，其中，所述网络设备还包括：
    第二处理单元，用于在接收到终端设备发送的PRACH，解析所述PRACH中携带的前导码；在所述PRACH携带的前导码为第一类前导码的情况下，所述网络设备确定终端设备进行PRACH的重复传输，通过所述第二通信单元在所述多个目标传输资源上接收所述终端设备重复传输的PRACH；其中，所述第一类前导码为终端设备进行PRACH的重复传输时使用的前导码；所述第一类前导码为预设的，或网络设备为终端设备配置的。
  137. 根据权利要求136所述的网络设备，其中，所述第二通信单元，用于通过以下之一，为所述终端设备配置第一门限值，所述第一门限值为与下行信号的测量结果相关的门限值：特征组合前导码；随机接入信道RACH公共配置参数；消息msg A的公共配置参数；波束失败恢复配置；RACH公共配置参数中的msg A专用配置参数。
  138. 根据权利要求136所述的网络设备，其中，所述第二通信单元，用于为所述终端设备配置第二门限值，所述第二门限值用于所述终端设备确定第一门限值。
  139. 根据权利要求136所述的网络设备，其中，所述第二通信单元，用于向终端设备发送第二信息；所述第二信息用于所述终端设备确定是否进行PRACH的重复传输。
  140. 根据权利要求139所述的网络设备，其中，所述第二信息中包括第一指示信息；
    其中，所述第一指示信息的取值为第一值的情况下，用于指示开启PRACH的重复传输；或者，所述第一指示信息包括的PRACH的传输类型为重复传输类型的情况下，用于指示开启PRACH的重复传输。
  141. 根据权利要求139或140所述的网络设备，其中，所述第二信息包括第一门限值；其中，所述第一门限值为与下行信号的测量结果相关的门限值。
  142. 根据权利要求139-141任一项所述的网络设备，其中，所述第二信息用于指示第一参数的取值，所述第 一参数的取值用于终端设备确定PRACH的重复传输次数。
  143. 根据权利要求136-141任一项所述的网络设备，其中，所述PRACH的重复传输次数，与第二参数相关，其中，所述第二参数用于表示一个传输资源关联的下行信号的数量。
  144. 根据权利要求143所述的网络设备，其中，在所述第二参数不小于1的情况下，所述PRACH的重复传输次数，等于以下之一：第一数值，所述第一数值等于M乘以所述第二参数；其中，M为第二下行信号的数量，M为正整数；第二数值，所述第二数值等于M乘以第一预设值。
  145. 根据权利要求143所述的网络设备，其中，在所述第二参数小于1的情况下，所述PRACH的重复传输次数，等于以下之一：第三数值；所述第三数值为一个映射循环内M个第二下行信号分别关联的一个或多个第一可用传输资源的数量的总和；其中，M为正整数；第四数值；所述第四数值等于M乘以第二预设值。
  146. 根据权利要求145所述的网络设备，其中，所述PRACH的重复传输次数，等于所述第三数值和第四数值中的最小值。
  147. 根据权利要求136-141任一项所述的网络设备，其中，所述第二通信单元，用于向终端设备发送第三信息，所述第三信息携带第五数值，所述第五数值用于确定PRACH的重复传输次数。
  148. 根据权利要求142所述的网络设备，其中，所述第一参数的取值包括第五数值，所述第五数值用于确定PRACH的重复传输次数。
  149. 根据权利要求147或148所述的网络设备，其中，所述PRACH的重复传输次数，等于所述第五数值。
  150. 根据权利要求147或148所述的网络设备，其中，所述PRACH的重复传输次数，等于所述第五数值与第六数值的乘积。
  151. 根据权利要求150所述的网络设备，其中，所述第六数值，为网络设备为终端设备配置的，或预设的。
  152. 根据权利要求150所述的网络设备，其中，所述第六数值与第二参数相关；其中，所述第二参数用于表示一个传输资源关联的下行信号的数量；所述第六数值为以下之一：在所述第二参数不小于1的情况下，等于第一预设值；在所述第二参数不小于1的情况下，等于第二参数。
  153. 根据权利要求150所述的网络设备，其中，所述第六数值与第二参数相关；其中，所述第二参数用于表示一个传输资源关联的下行信号的数量；所述第六数值为以下之一：在所述第二参数小于1的情况下，等于M乘以第二预设值；其中，M为第二下行信号的数量，M为正整数；在所述第二参数小于1的情况下，等于M乘以第二参数的倒数；在所述第二参数小于1的情况下，等于M。
  154. 根据权利要求150所述的网络设备，其中，所述第六数值与第二参数相关；其中，所述第二参数用于表示一个传输资源关联的下行信号的数量；所述第五数值为PRACH的重复传输所占用的映射循环的数量。
  155. 根据权利要求154所述的网络设备，其中，在第二参数小于1的情况下，所述第六数值，等于一个映射循环内M个第二下行信号分别关联的一个或多个第一可用传输资源的数量的总和。
  156. 根据权利要求154所述的网络设备，其中，在第二参数不小于1的情况下，所述第六数值，等于一个映射循环内，一个或多个第二可用传输资源的数量；其中，所述一个或多个第二可用传输资源中每个第二可用传输资源与M个第二下行信号中的一个或多个第二下行信号关联。
  157. 根据权利要求144-146、149-153任一项所述的网络设备，其中，所述多个目标传输资源，包括：在一个或多个映射循环内连续的多个传输资源。
  158. 根据权利要求145、146、149-151、153任一项所述的网络设备，其中，所述多个目标传输资源，包括：在一个或多个映射循环中，每个映射循环内M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源。
  159. 根据权利要求144、149、150、152任一项所述的网络设备，其中，所述多个目标传输资源，包括：一个或多个映射循环中，每个映射循环中一个或多个第二可用传输资源；其中，所述一个或多个第二可用传输资源中每个第二可用传输资源与M个第二下行信号中的一个或多个第二下行信号关联。
  160. 根据权利要求155所述的网络设备，其中，所述多个目标传输资源，包括：在所述第五数值个映射循环中每个映射循环内，M个第二下行信号中每个第二下行信号关联的一个或多个第一可用传输资源。
  161. 根据权利要求156所述的网络设备，其中，所述多个目标传输资源，包括：在所述第五数值个映射循环中，每个映射循环内的一个或多个第二可用传输资源。
  162. 根据权利要求157、158、160任一项所述的网络设备，其中，所述多个目标传输资源中的起始目标传输资源，为第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的第一个第一可用传输资源；其中，所述第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的第一个第一可用传输资源，为以下之一：第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的第一个可用传输资源；第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的传输资源子集中的第一个可用传输资源；第一个映射循环内，所述M个第二下行信号中第一个第二下行信号关联的指定传输资源。
  163. 根据权利要求157、159、161任一项所述的网络设备，其中，所述多个目标传输资源中的起始目标传输资源，为第一个映射循环内的第一个第二可用传输资源。
  164. 根据权利要求145、155、157、159、161任一项所述的网络设备，其中，所述第二通信单元，用于向终端设备发送第四信息，其中，所述第四信息用于终端设备在第二参数小于1的情况下，确定在一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个可用传输资源。
  165. 根据权利要求164所述的网络设备，其中，所述第四信息中包括比特图；所述比特图用于指示一个映射循环内所述M个第二下行信号中每个第二下行信号关联的一个或多个可用传输资源。
  166. 根据权利要求164所述的网络设备，其中，所述第四信息的取值在第一取值范围内的情况下，用于终端设备确定所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的传输资源子集；和/或，所述第四信息的取值在第二取值范围内的情况下，用于终端设备确定所述一个映射循环内所述M个第二下行信号中每个第二下行信号关联的指定传输资源。
  167. 根据权利要求145、154-166任一项所述的网络设备，其中，所述映射循环包括：多个下行信号映射的传输资源；所述多个下行信号中包括所述M个第二下行信号。
  168. 根据权利要求145、155、156、158-162、164-167任一项所述的网络设备，其中，所述第二通信单元，用于向终端设备发送第五信息，所述第五信息用于指示M个第二下行信号。
  169. 根据权利要求137、141、143-145、152-156、158-168任一项所述的网络设备，其中，所述下行信号包括：同步信号块SSB，或者，信道状态信息参考信号CSI-RS。
  170. 根据权利要求135-169任一项所述的网络设备，其中，所述传输资源为PRACH时机。
  171. 一种终端设备，包括：处理器和存储器，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，以使所述终端设备执行如权利要求1至48中任一项所述的方法。
  172. 一种网络设备，包括：处理器和存储器，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，以使所述网络设备执行如权利要求49至85中任一项所述的方法。
  173. 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48、或49至85中任一项所述的方法。
  174. 一种计算机可读存储介质，用于存储计算机程序，当所述计算机程序被设备运行时使得所述设备执行如权利要求1至48、或49至85中任一项所述的方法。
  175. 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权利要求1至48、或49至85中任一项所述的方法。
PCT/CN2022/111932 2022-08-11 2022-08-11 通信方法、终端设备和网络设备 WO2024031587A1 (zh)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210051707A1 (en) * 2019-08-16 2021-02-18 Comcast Cable Communications, Llc Random Access Procedures Using Repetition
WO2021087978A1 (en) * 2019-11-08 2021-05-14 Lenovo (Beijing) Limited Method and apparatus for prach repetitions
WO2021221381A1 (ko) * 2020-04-29 2021-11-04 주식회사 아이티엘 무선 통신 시스템에서 저감 캐퍼빌리티 단말을 위한 랜덤 액세스 방법 및 장치

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210051707A1 (en) * 2019-08-16 2021-02-18 Comcast Cable Communications, Llc Random Access Procedures Using Repetition
WO2021087978A1 (en) * 2019-11-08 2021-05-14 Lenovo (Beijing) Limited Method and apparatus for prach repetitions
WO2021221381A1 (ko) * 2020-04-29 2021-11-04 주식회사 아이티엘 무선 통신 시스템에서 저감 캐퍼빌리티 단말을 위한 랜덤 액세스 방법 및 장치

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