WO2022036617A1 - Procédé de détermination de ressources de canal et dispositif terminal - Google Patents

Procédé de détermination de ressources de canal et dispositif terminal Download PDF

Info

Publication number
WO2022036617A1
WO2022036617A1 PCT/CN2020/110152 CN2020110152W WO2022036617A1 WO 2022036617 A1 WO2022036617 A1 WO 2022036617A1 CN 2020110152 W CN2020110152 W CN 2020110152W WO 2022036617 A1 WO2022036617 A1 WO 2022036617A1
Authority
WO
WIPO (PCT)
Prior art keywords
order
pusch
increasing
indices
dmrs
Prior art date
Application number
PCT/CN2020/110152
Other languages
English (en)
Chinese (zh)
Inventor
贺传峰
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN202080104361.4A priority Critical patent/CN116058029A/zh
Priority to PCT/CN2020/110152 priority patent/WO2022036617A1/fr
Publication of WO2022036617A1 publication Critical patent/WO2022036617A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present application relates to the field of communications, and more particularly, to a method and terminal device for determining channel resources.
  • the NR (New Radio, New Radio) system is mainly designed to support eMBB (Enhanced Mobile Broadband) services. Its main technology is to meet the needs of high speed, high spectral efficiency and large bandwidth.
  • eMBB Enhanced Mobile Broadband
  • the capabilities of terminals supporting these services are reduced compared to those supporting eMBB, for example, the supported bandwidth is reduced, the processing time is relaxed, and the number of antennas is reduced.
  • NR systems need to be optimized for these services and corresponding low-capacity terminals, and such systems are called NR-light (light NR) systems.
  • RACH Random Access Channel, random access channel
  • PRACH Physical Random Access Channel
  • MsgA 2-step RACH
  • the embodiments of the present application provide a method and a terminal device for determining channel resources, which can map multiple PUSCH resources to different time domain resources, which is conducive to realizing repeated transmission of PUSCH and improving the transmission reliability of message A in the random access process .
  • An embodiment of the present application provides a method for determining channel resources, including:
  • the terminal device determines multiple physical uplink shared channel PUSCH resources, the time domain resources of the multiple PUSCH resources are different, the multiple PUSCH resources are used for repeated transmission of the PUSCH, and the PUSCH belongs to the message A of the type 2 random access process.
  • An embodiment of the present application provides a terminal device, including:
  • a processing unit configured to determine multiple physical uplink shared channel PUSCH resources, the time domain resources of the multiple PUSCH resources are different, the multiple PUSCH resources are used for repeated transmission of the PUSCH, and the PUSCH belongs to the message A of the type 2 random access process .
  • An embodiment of the present application provides a terminal device, including a processor and a memory.
  • the memory is used for storing a computer program
  • the processor is used for calling and running the computer program stored in the memory, so that the terminal device executes the above-mentioned method for determining channel resources.
  • An embodiment of the present application provides a chip, which is used to implement the above method for determining channel resources.
  • the chip includes: a processor for invoking and running a computer program from the memory, so that the device installed with the chip executes the above-mentioned method for determining channel resources.
  • Embodiments of the present application provide a computer-readable storage medium for storing a computer program, which, when the computer program is run by a device, causes the device to execute the above-mentioned method for determining channel resources.
  • An embodiment of the present application provides a computer program product, including computer program instructions, and the computer program instructions cause a computer to execute the above-mentioned method for determining channel resources.
  • An embodiment of the present application provides a computer program, which, when running on a computer, causes the computer to execute the above-mentioned method for determining channel resources.
  • mapping the PUSCH resources in the multiple messages A to different time domain resources it is beneficial to realize the repeated transmission of the PUSCH and improve the transmission reliability of the message A in the random access process.
  • FIG. 1 is a schematic diagram of an application scenario according to an embodiment of the present application.
  • FIG. 2 is a schematic diagram of PRACH frequency domain location.
  • FIG. 3 is a schematic diagram of SSB and RO mapping.
  • FIG. 4 is a schematic diagram of a two-step RACH process.
  • FIG. 5 is a schematic diagram of the relative relationship between POs and associated ROs in time-frequency positions.
  • FIG. 6 is a schematic diagram of the configuration of the PO.
  • FIG. 7 is a schematic diagram of a mapping relationship between a preamble and a PRU.
  • FIG. 8 is a schematic flowchart of a method for determining channel resources according to an embodiment of the present application.
  • FIG. 9 is a schematic diagram of a PUSCH resource.
  • FIG. 10 is a schematic diagram of the mapping relationship in Example 1.
  • FIG. 10 is a schematic diagram of the mapping relationship in Example 1.
  • FIG. 11 is a schematic diagram of PUSCH resources in Example 2.
  • FIG. 11 is a schematic diagram of PUSCH resources in Example 2.
  • 12a to 12b are schematic diagrams of mapping relationships in Example 2.
  • FIG. 13 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 14 is a schematic block diagram of a communication device according to an embodiment of the present application.
  • FIG. 15 is a schematic block diagram of a chip according to an embodiment of the present application.
  • FIG. 16 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
  • CDMA Wideband Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Advanced Long Term Evolution
  • NR New Radio
  • NTN Non-Terrestrial Networks
  • UMTS Universal Mobile Telecommunication System
  • WLAN Wireless Local Area Networks
  • Wireless Fidelity Wireless Fidelity
  • WiFi fifth-generation communication
  • D2D Device to Device
  • M2M Machine to Machine
  • MTC Machine Type Communication
  • V2V Vehicle to Vehicle
  • V2X Vehicle to everything
  • the communication system in this embodiment of the present application may be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, a dual connectivity (Dual Connectivity, DC) scenario, or a standalone (Standalone, SA) distribution. web scene.
  • Carrier Aggregation, CA Carrier Aggregation, CA
  • DC Dual Connectivity
  • SA standalone
  • the communication system in the embodiment of the present application may be applied to an unlicensed spectrum, where the unlicensed spectrum may also be considered as a shared spectrum; or, the communication system in the embodiment of the present application may also be applied to a licensed spectrum, where, Licensed spectrum can also be considered unshared spectrum.
  • terminal equipment may also be referred to as user equipment (UE), access terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote station Terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user equipment, etc.
  • UE user equipment
  • the terminal device can be a station (STAION, ST) in the WLAN, can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a personal digital processing (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, next-generation communication systems such as end devices in NR networks, or future Terminal equipment in the evolved public land mobile network (Public Land Mobile Network, PLMN) network, etc.
  • STAION, ST in the WLAN
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the terminal device 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 airplanes, 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, and an augmented reality (Augmented Reality, AR) terminal Equipment, wireless terminal equipment in industrial control, wireless terminal equipment in self driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid , wireless terminal equipment in transportation safety, wireless terminal equipment in smart city or wireless terminal equipment in smart home, etc.
  • a mobile phone Mobile Phone
  • a tablet computer Pad
  • a computer with a wireless transceiver function a virtual reality (Virtual Reality, VR) terminal device
  • augmented reality (Augmented Reality, AR) terminal Equipment wireless terminal equipment in industrial control, wireless terminal equipment in self driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid , wireless terminal equipment in transportation safety, wireless terminal equipment in smart city or wireless terminal equipment in smart home, etc.
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices, which are the general term for the intelligent design of daily wear and the development of wearable devices using wearable technology, such as glasses, gloves, watches, clothing and shoes.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable device is not only a hardware device, but also realizes powerful functions through software support, data interaction, and cloud interaction.
  • wearable smart devices include full-featured, large-scale, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, which needs to cooperate with other devices such as smart phones.
  • the network device may be a device for communicating with a mobile device, and 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 , it can also be a base station (NodeB, NB) in WCDMA, it can also be an evolved base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or in-vehicle equipment, wearable devices and NR networks
  • the network device may have a mobile feature, for example, the network device may be a mobile device.
  • the network device may be a satellite or a balloon station.
  • the satellite may be a low earth orbit (LEO) satellite, a medium earth orbit (MEO) satellite, a geostationary earth orbit (GEO) satellite, a High Elliptical Orbit (HEO) ) satellite etc.
  • the network device may also be a base station set in a location such as land or water.
  • a network device may provide services for a cell, and a terminal device communicates with the network device through transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell, and the cell may be a network device (
  • the cell can belong to the macro base station, or it can belong to the base station corresponding to the small cell (Small 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-speed data transmission services.
  • FIG. 1 exemplarily shows a communication system 100 .
  • the communication system includes one 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 are not limited in this embodiment of the present application.
  • the communication system 100 may further include a mobility management entity (Mobility Management Entity, MME), an access and mobility management function (Access and Mobility Management Function, AMF) and other network entities, to which the embodiments of the present application Not limited.
  • MME Mobility Management Entity
  • AMF Access and Mobility Management Function
  • the network equipment may further include access network equipment and core network equipment. That is, the wireless communication system further includes a plurality of core networks for communicating with the access network equipment.
  • the access network equipment may be a long-term evolution (long-term evolution, LTE) system, a next-generation (mobile communication system) (next radio, NR) system, or an authorized auxiliary access long-term evolution (authorized auxiliary access long-term evolution, LAA-
  • the evolved base station (evolutional node B, may be referred to as eNB or e-NodeB for short) in the LTE) system is a macro base station, a micro base station (also called a "small base station"), a pico base station, an access point (AP), Transmission site (transmission point, TP) or new generation base station (new generation Node B, gNodeB), etc.
  • a device having a communication function in the network/system may be referred to as a communication device.
  • the communication device may include a network device and a terminal device with a communication function, and the network device and the terminal device may be specific devices in this embodiment of the application, which will not be repeated here; It may include other devices in the communication system, for example, other network entities such as a network controller and a mobility management entity, which are not limited in this embodiment of the present application.
  • the "instruction" mentioned in the embodiments of the present application may be a direct instruction, an indirect instruction, or an associated relationship.
  • a indicates B it can indicate that A directly indicates B, for example, B can be obtained through A; it can also indicate that A indicates B indirectly, such as A indicates C, and B can be obtained through C; it can also indicate that there is an association between A and B relation.
  • corresponding may indicate that there is a direct or indirect corresponding relationship between the two, or may indicate that there is an associated relationship between the two, or indicate and be instructed, configure and be instructed configuration, etc.
  • Each RACH resource configuration indicated by the network to the UE may include preamble format, period, radio frame offset, subframe number in the radio frame, start symbol in the subframe, PRACH time slot in the subframe The number of , the number of PRACH occasions in the PRACH time slot, the duration of the PRACH occasion, etc.
  • the time, frequency and code information of the PRACH resource can be determined.
  • the frequency domain resource location of the RACH resource can be determined through higher layer signaling such as the parameters msg1-FrequencyStart (message 1 frequency starting point) and msg1-FDM (message 1) in the RACH-ConfigGeneric (RACH configuration generic) signaling. frequency division multiplexing).
  • msg1-FrequencyStart is used to determine the starting position of the RB (Resource Block, resource block) of PRACH occasion 0 (wherein, PRACH occasion is the PRACH opportunity (physical random access channel opportunity), which may be referred to as RO) relative to the uplink common BWP (Bandwidth Part, bandwidth part)
  • the offset of the frequency domain starting position (that is, BWP 0), that is, determining the frequency domain starting position of the RACH resource.
  • the value of msg1-FDM can be ⁇ 1, 2, 4, 8 ⁇ , which is used to determine the number of frequency domain PRACH occasions.
  • the number of RBs occupied by PRACH on the traffic channel can be indicated by the prach-RootSequenceIndex (PRACH root sequence index) to indicate the preamble (preamble or preamble, random access preamble, etc.) sequence, and then mapped to the frequency domain according to ⁇ fRA (preamble sequence).
  • the system message can indicate the RACH resource configuration, and the system message can also indicate the association between the SSB and the PRACH resource, so that the UE can determine the RACH resource it can use according to the detected SSB and the association.
  • Each SSB can be associated with one or more PRACH occasions, and can also be associated with multiple contention-based preambles. That is, each SSB index (index) may be associated with a part of specific resources in the RACH resource configuration indicated in the system message.
  • the upper layer configures N (ssb-perRACH-Occasion) SSBs associated with a PRACH occasion (occasion) through parameters such as ssb-perRACH-Occasion (SSB for each PRACH occasion) and CB-PreamblesPerSSB (contention-based preamble for each SSB), and the number of contention-based preambles (CB-PreamblesPerSSB) for each SSB on each valid PRACH occasion.
  • N ssb-perRACH-Occasion
  • CB-PreamblesPerSSB contention-based preamble for each SSB
  • the preamble index on SSB 0 is 0 to 31, and the preamble index on SSB 1 is 32 to the configured competition preamble-1.
  • An effective PRACH occasion corresponds to the entire number of competitive preambles.
  • an effective PRACH occasion covers two SSBs, so the two SSBs each occupy part of the preamble, which is different from N ⁇ 1.
  • N can be configured by totalNumberOfRA-Preambles (the total number of random access preambles) and is an integer multiple of N.
  • the signaling indicates that one SSB is associated with 4 PRACH occasions, n4 indicates that one SSB is associated with 4 contention-based preambles, and so on.
  • the total number of Contention Based preambles in a PRACH occasion is CB-PreamblesPerSSB*max(1,ssb-perRACH-Occasion).
  • mapping of SSB to PRACH occasion follows the following order:
  • the frequency resource index order of frequency reuse PRACH occasion is increasing
  • ssb-perRACH-Occasion 1/4, and its SSB and PRACH occasion mapping diagram is shown in Figure 3.
  • the delay overhead of the four-step RACH process is relatively large, which is not suitable for the low-latency and high-reliability scenarios in 5G.
  • a two-step RACH process also known as Type-2 random access procedure, also known as Type-2 random access procedure
  • the two-step RACH process is shown in Figure 4.
  • MSG A includes preamble and PUSCH (Physical Uplink Shared Channel, Physical Uplink Shared Channel) part
  • MSGB includes PDCCH (Physical Downlink Control Channel, Physical Downlink Control Channel) and PDSCH (Physical Downlink Shared Channel) , physical downlink shared channel).
  • the UE needs to send the preamble and PUSCH.
  • the RO where the preamble is located is the same as the four-step RACH process. Through network configuration, the UE's RO can be shared with the four-step RACH RO, or it can be configured separately.
  • the time-frequency resource where the PUSCH is located is called PO (PUSCH occasion, PUSCH occasion).
  • a PO may contain multiple PRUs (PUSCH Resource Unit, PUSCH resource unit).
  • a PRU may include a PUSCH resource (resource) and a DMRS (Demodulation Reference Signal, demodulation reference signal).
  • the DMRS includes a DMRS port (Port) and a DMRS sequence (sequence) (for OFDMA (Orthogonal Frequency Division Multiple Access, Orthogonal Frequency Division Multiple Access)).
  • the PO can also be configured through the network, and its period is the same as that of the RO, and is related. For example, as shown in Figure 5, the relative relationship in time-frequency position between POs and associated ROs is network-configured.
  • MCS Modulation and Coding Scheme, modulation and coding strategy
  • TSS Transport Block Set, transport block set
  • PO is the starting point of the frequency domain in the activated BWP ((Bandwidth Part, bandwidth part) (2 RBs in the figure below);
  • the number of RBs (Resource Block, resource blocks) of the PUSCH (4 RBs in Figure 6);
  • Guard period (Guard period) between POs (1 symbol in Figure 6);
  • the Preamble in a PRACH time slot (slot) has a mapping relationship with the PRU in a PO time slot (slot), and the mapping relationship between them can be one-to-one or many-to-one.
  • the order of mapping is as follows:
  • the sequence of a set of consecutive preambles is:
  • the frequency resource index order of frequency reuse PRACH occasion is increasing
  • the frequency resource index order of the frequency reused POs is increasing
  • the DMRS resource index order in PO is increasing, wherein the DMRS resource index is sorted according to the ascending order of the DMRS port index first, and then according to the ascending order of the DMRS sequence index;
  • the order of the PUSCH slot index is increasing.
  • mapping relationship there are 4 POs in the frequency domain, and there are four DMRSs in each PO.
  • the DMRS resource index order is increasing within the PO.
  • map the preamble to the first DMRS resource in PO map the preamble 32-33 to DMRS#0 of PO#0, map the preamble 34-35 to DMRS#0 of PO#1, and map the preamble 36-37 to the DMRS#0 of PO#1.
  • DMRS#0 of PO#2 maps the leading 38-39 to DMRS#0 of PO#3.
  • map the preamble to the next DMRS resource in PO map preamble 40-41 to DMRS#1 of PO#0, map preamble 42-43 to DMRS#1 of PO#1, map preamble 44-45 to DMRS#1 of PO#1 Map to DMRS#1 of PO#2, and map preambles 46-47 to DMRS#1 of PO#3.
  • map preamble 40-41 to DMRS#1 of PO#0 map preamble 42-43 to DMRS#1 of PO#1, map preamble 44-45 to DMRS#1 of PO#1 Map to DMRS#1 of PO#2, and map preambles 46-47 to DMRS#1 of PO#3.
  • Msg A After sending Msg A, the UE needs to monitor Msg B within a time window. Likewise, MsgA may not be successfully received by the base station. If the UE does not receive Msg B within this time window, it will retransmit Msg A.
  • PRACH repeated transmission may be performed.
  • uplink coverage is enhanced for MTC terminals.
  • the transmission of PRACH supports repeated transmission.
  • the network configures up to 4 sets of RACH configuration parameters for the MTC terminal, corresponding to 4 coverage levels respectively.
  • the MTC terminal determines the coverage level of the MTC terminal according to the measured RSRP (Reference Signal Receiving Power, reference signal receiving power) and the threshold configured by the network, and selects the RACH configuration parameter corresponding to the coverage level.
  • the RACH configuration parameters include a PRACH frequency domain offset, the number of times of repeated PRACH transmission, a starting subframe for PRACH repeated transmission, a frequency hopping parameter of PRACH frequency domain resources, and the like.
  • the subframe set where the PRACH resource is located is obtained.
  • the starting subframe for PRACH transmission in the subframe set where the PRACH resource is located is determined according to the number of times of repeated PRACH transmission in the RACH configuration parameter and the starting subframe for repeated PRACH transmission.
  • the repeated transmission of the PRACH starts from the start subframe that is closest in time.
  • the RACH process in the NR system does not support repeated transmission of PRACH, nor does it support repeated transmission of MsgA in a two-step random access (2-step RACH) process. If the uplink coverage enhancement is considered in the NR-light system and the repeated transmission of MsgA is introduced, the mapping relationship between PRACH and PUSCH also needs to be considered to ensure the realization of the repeated transmission of PRACH.
  • multiple PUSCH resources in different time domains may be determined for repeated transmission of PUSCH.
  • FIG. 8 is a schematic flowchart of a method 200 for determining channel resources according to an embodiment of the present application.
  • the method can optionally be applied to the system shown in Figure 1, but is not limited thereto.
  • the method includes at least some of the following.
  • the terminal device determines multiple physical uplink shared channel PUSCH resources, the time domain resources of the multiple PUSCH resources are different, the multiple PUSCH resources are used for repeated transmission of the PUSCH, and the PUSCH belongs to the message A of the type 2 random access process.
  • the type 2 random access process may also be referred to as a two-step random access process.
  • the terminal device sends a message A to the network device (step 1), and the message A (MSGA) may include a preamble and a PUSCH.
  • the network device may reply message B to the terminal device (step 2), and the message B (MSGB) may include PDCCH and PDSCH.
  • the terminal device can determine the PUSCH resources in the multiple messages A that need to be repeatedly transmitted.
  • the time domain resources of the multiple PUSCH resources are different, and the multiple PUSCH resources can be used for the repeated transmission of the PUSCH, thereby realizing the repeated transmission of the message A.
  • the terminal device before detecting a response from a network device such as a base station, the terminal device may repeatedly transmit the message A several times, and then detect the response from the base station. Therefore, the transmission reliability of the message A can be improved.
  • the time domain resources of the PUSCH occasion PO where the repeated transmission of the PUSCH is located are different.
  • the PUSCH resource and the preamble have a mapping relationship.
  • the method further includes: mapping N consecutive preambles to PUSCH resources in the order of time domain resource indices, where N is a positive integer, that is, N is an integer greater than or equal to 1.
  • the N consecutive preambles may be the preambles that the UE can select when sending the message A.
  • the sequence of the time domain resource index includes:
  • the order of the time domain resource indices of the time division PO within the PUSCH slot is increasing.
  • the mapping sequence further includes at least one of the following:
  • the order of the frequency resource indices of the frequency multiplexed POs is increasing;
  • the order of demodulation reference signal DMRS resource indices within PO is increasing.
  • the N consecutive preambles are mapped to the PUSCH resources, which may be mapped in the following order:
  • the order of (2) to (4) in this example may vary. For example, it becomes the order of (2), (4), (3), becomes the order of (3), (2), (4), becomes the order of (3), (4), (2), It becomes the order of (4), (2), (3), or it becomes the order of (4), (3), (2).
  • the mapping can be performed in the preceding order. For example, if the index mapping has been completed according to (1), the mapping may not be continued according to (2), (3) or (4). For another example, if the index mapping has been completed according to (1) and (2), the mapping may not be continued according to (3) or (4).
  • each PUSCH time slot includes 4 POs, wherein PO#0 and PO#1 are POs with different time domains, PO#2 and PO# 3 are POs with different time domains. 2 DMRSs are included in each PO. 10 consecutive preambles (eg Preamble 1 to Preamble 10) need to be mapped to PUSCH resources.
  • the preamble is mapped to the PUSCH resource in the order of (1), (2), (3), (4) in the above example.
  • first map the preamble 1 to DMRS#0 of PO#0 and in the second time slot, map the preamble 2 to DMRS#0 of PO#1; in the second time slot , map the leading 3 to DMRS#0 of PO#0, and map the leading 4 to DMRS#0 of PO#1.
  • the preamble 5 can be mapped to DMRS#0 of PO#2, and the preamble 6 can be mapped to DMRS#0 of PO#3; in the second time slot, the preamble 7 can be mapped to PO DMRS#0 of #2 maps the leading 8 to DMRS#0 of PO#3. Then, in the first time slot, preamble 9 is first mapped to DMRS#1 of PO#0, and preamble 10 is mapped to DMRS#1 of PO#1.
  • the preamble is mapped to the PUSCH resource in the order of (1), (2), (4), and (3) in the above example.
  • the preamble 5 can be mapped to DMRS#1 of PO#0, and the preamble 6 can be mapped to DMRS#1 of PO#1; in the second time slot, the preamble 7 can be mapped to PO DMRS#1 of #0 maps the leading 8 to DMRS#1 of PO#1. Then, in the first time slot, preamble 9 is mapped to DMRS#0 of PO#2, and preamble 10 is mapped to DMRS#0 of PO#3.
  • the preamble is mapped to the PUSCH resource in the order of (1), (3), (2), and (4) in the above example.
  • the leading 5 can be mapped to DMRS#0 of PO#0
  • the leading 6 can be mapped to DMRS#0 of PO#1
  • the leading 7 can be mapped to DMRS#0 of PO#2
  • Leading 8 is mapped to DMRS#0 of PO#3.
  • preamble 9 is first mapped to DMRS#1 of PO#0
  • preamble 10 is mapped to DMRS#1 of PO#1.
  • the preamble is mapped to the PUSCH resource in the order of (1), (3), (4), and (2) in the above example.
  • the leading 8 is mapped to DMRS#1 of PO#3. Then, in the second time slot, the preamble 9 is first mapped to DMRS#0 of PO#0, and the preamble 10 is mapped to DMRS#0 of PO#1.
  • the sequence of the time domain resource index includes:
  • the order of PUSCH slot indices is increasing.
  • mapping sequence further includes at least one of the following:
  • the order of the time domain resource index of the time division PO in the PUSCH slot is increasing;
  • the order of the frequency resource indices of the frequency multiplexed POs is increasing;
  • the order of the DMRS resource indices within the PO is increasing.
  • the N consecutive preambles are mapped to the PUSCH resources, which may be mapped in the following order:
  • the order of (2) to (4) in this example may vary. For example, it becomes the order of (2), (4), (3), becomes the order of (3), (2), (4), becomes the order of (3), (4), (2), It becomes the order of (4), (2), (3), or it becomes the order of (4), (3), (2).
  • the mapping can be performed in the preceding order. For example, if the index can be mapped according to (1), the mapping may not be continued according to (2), (3) or (4). For another example, if the index mapping has been completed according to (1) and (2), the mapping may not be continued according to (3) or (4).
  • each PUSCH time slot includes 4 POs, wherein PO#0 and PO#1 are POs with different time domains, PO#2 and PO# 3 are POs with different time domains. 2 DMRSs are included in each PO. 10 consecutive preambles (eg Preamble 1 to Preamble 10) need to be mapped to PUSCH resources.
  • the preamble is mapped to the PUSCH resource in the order of (1), (2), (3), (4) in the above example.
  • the preamble 1 is first mapped to DMRS#0 of PO#0; in the second time slot, the preamble 2 is mapped to DMRS#0 of PO#0.
  • map preamble 3 to DMRS#0 of PO#1; in the second time slot, map preamble 4 to DMRS#0 of PO#1.
  • the preamble is mapped to the PUSCH resource in the order of (1), (3), (2), and (4) in the above example.
  • the preamble 1 is first mapped to DMRS#0 of PO#0; in the second time slot, the preamble 2 is mapped to DMRS#0 of PO#0.
  • map preamble 3 to DMRS#0 of PO#2; in the second time slot, map preamble 4 to DMRS#0 of PO#2.
  • the preamble is mapped to the PUSCH resource in the order of (1), (4), (2), and (3) in the above example.
  • the preamble 1 is first mapped to DMRS#0 of PO#0; in the second time slot, the preamble 2 is mapped to DMRS#0 of PO#0.
  • map preamble 3 to DMRS#1 of PO#0; in the second time slot, map preamble 4 to DMRS#1 of PO#0.
  • the order of the demodulation reference signal DMRS resource indexes in the PO is increasing, wherein the DMRS resource indexes are first sorted according to the ascending order of the DMRS port indexes, and then according to the ascending order of the DMRS sequence indexes.
  • the DMRS resource index whose port index is Port0 and sequence index is Sequence0 is DMRS#0; the DMRS resource index whose port index is Port1 and sequence index is Sequence0 is DMRS#2; the DMRS resource whose port index is Port0 and sequence index is Sequence1
  • the index is DMRS#3; the DMRS resource index whose port index is Port0 and the sequence index is Sequence2 is DMRS#4.
  • the random access channel RACH resources configured by the NR terminal and the light NR terminal are different.
  • different RACH resources include at least one of the following:
  • the set of preamble sequences is different;
  • the frequency domain locations of the RACH resources are different;
  • the time domain locations of the RACH resources are different.
  • the RACH resources configured by an NR terminal include preamble sequences 0-24, and the RACH resources configured by a reduced capability terminal (Reduced capability UE) such as a light NR terminal include preamble sequences 30-50.
  • the time domains are different: ROs corresponding to RACH resources are in different PRACH time slots, or different symbol sets in the same PRACH time slot.
  • the frequency domain is different, the frequency domain where the RO corresponding to the RACH resource is located is different.
  • the method further includes: determining the N consecutive preambles based on at least one of the following parameters:
  • the number of SSBs is the number of SSBs.
  • the method further includes:
  • the RO where the preamble associated with the repeated PUSCH transmission is located is mapped to different time domains.
  • mapping the RO where the preamble used for the repeated transmission of the PUSCH is located to different time domains includes: mapping N consecutive preambles in the order of time-division ROs, where N is a positive integer .
  • the sequence of the time-division RO includes:
  • the order of the time domain resource indices of the time division ROs within the PRACH slot is increasing.
  • mapping sequence further includes at least one of the following:
  • the order of the frequency resource indices of the frequency multiplexing RO is increasing.
  • the N consecutive preambles are first mapped in the order of time-division RO. Specifically, they can be mapped in the following order:
  • the order of (2) to (4) in this example may vary. For example, it becomes the order of (2), (4), (3), becomes the order of (3), (2), (4), becomes the order of (3), (4), (2), It becomes the order of (4), (2), (3), or it becomes the order of (4), (3), (2).
  • the mapping can be performed in the preceding order. For example, if the index mapping has been completed according to (1), the mapping may not be continued according to (2), (3) or (4). For another example, if the index mapping has been completed according to (1) and (2), the mapping may not be continued according to (3) or (4).
  • the sequence of the time-division RO includes:
  • the order of PRACH slot indices is increasing.
  • mapping sequence further includes at least one of the following:
  • the order of the time domain resource indices of the time division ROs in the PRACH slot is increasing;
  • the order of the frequency resource indices of the frequency multiplexing RO is increasing.
  • the N consecutive preambles are first mapped in the order of time-division RO. Specifically, they can be mapped in the following order:
  • the order of (2) to (4) in this example may vary. For example, it becomes the order of (2), (4), (3), becomes the order of (3), (2), (4), becomes the order of (3), (4), (2), It becomes the order of (4), (2), (3), or it becomes the order of (4), (3), (2).
  • the mapping can be performed in the preceding order. For example, if the index mapping has been completed according to (1), the mapping may not be continued according to (2), (3) or (4). For another example, if the index mapping has been completed according to (1) and (2), the mapping may not be continued according to (3) or (4).
  • the repeated transmission of MsgA can be well supported in the NR system, and the transmission delay is short.
  • Example 1 The repeated transmission of MsgA corresponds to different time domain PUSCH occasion (PO).
  • the network can configure the mapping parameters between the SSB and the RO, where the parameter CB-preambles-per-SSB indicates the number of Contention Based preambles associated with an SSB. It can be seen that an SSB can associate several preambles with consecutive indices in one RO. Since the mapping of preambles to PRUs is that consecutive M preambles are mapped to one PRU, for a preamble associated with an SSB, the order of the mapped PRUs is mapped in the order of the frequency domain and then the time domain.
  • the PRACH is sent according to the effective PRACH occasion (RO) configured by the network and the preamble associated with the SSB. If the PRACH is repeatedly transmitted, it needs to meet the time division between transmissions, but according to the mapping relationship between the preamble and the PRU obtained by first mapping the frequency domain and then the time domain, the PRU mapped by the preamble used between retransmissions is not necessarily guaranteed to be the same. time.
  • RO effective PRACH occasion
  • the PUSCH occasion is determined for the repeated transmission of the PUSCH in the MsgA
  • a different time-domain PUSCH occasion needs to be selected.
  • the UE selects one of the preambles corresponding to SSB 0 to send PRACH
  • the UE cannot select the preamble corresponding to the same PRU in the same time domain for retransmission. If not, the UE retransmits the PRACH in MsgA in the next PRACH slot.
  • the PUSCH in MsgA is also mapped to the next PUSCH slot, so that the PUSCH between retransmissions is time-divisional.
  • the time domains of PO#0 and PO#1 are the same, and the time domains of PO#2 and PO#3 are the same. If the preamble index used in the first transmission of MsgA is in the range of 0-7, the corresponding PRU is DMRS#0 in PO#0. In the second transmission, if the RO of the first transmission is in the same PRACH slot, for the preamble corresponding to SSB 0, only the preamble index range of 8-15 can be selected to ensure that the PRU corresponding to the preamble of the two transmissions is located. The time domain of the PO is not the same. It is assumed here that the preamble index range 0-7 and the preamble index range 8-15 corresponding to SSB 0 belong to ROs in the synchronization time domain, respectively.
  • Example 2 The mapping relationship between Preamble and PRU is mapped in the order of time domain PO first.
  • the order of DMRS resource indexes in PO is increasing, wherein the DMRS resource indexes are sorted according to the ascending order of the DMRS port index first, and then the ascending order of the DMRS sequence index.
  • the priority is to map according to the time domain resource index order. Compared with Example 1, it is easier to ensure that the repeated transmission of PUSCH in MsgA is in different time domain PUSCH occasions, especially when there are few preambles associated with SSB.
  • the above-mentioned mapping step is a specific example in which the order of (1) and (2) above can be exchanged, and the order of (3) and (4) can also be exchanged.
  • the first PUSCH time slot is PUSCH slot 0, and the second PUSCH time slot is PUSCH slot 1.
  • PUSCH slot 0 includes PO#0 to PO#3, PO#0 and PO#1 have the same time domain but different frequency domains, PO#2 and PO#3 have the same time domain but different frequency domains, PO#0 and PO#2 The domains are different but the frequency domain is the same, PO#1 and PO#3 are different in the time domain but the same frequency domain.
  • PUSCH slot 1 also includes PO#0 to PO#3.
  • Each PO includes two DMSRs, and the indexes of DMSR#0 and DMSR#1 are sorted according to the ascending order of the DMRS port index, and then the ascending order of the DMRS sequence index.
  • SSB 0 is associated with 16 preambles, and these 16 consecutive preambles Preamble0 to Preamble15 are mapped in the order of the first time domain resource index, for example, according to the above (1), (2), (3) in turn. ) and (4) are sequentially mapped to PRUs.
  • the preamble Preamble0 is mapped to the DMRS#0 of PO#0 in the time slot slot0
  • the preamble Preamble1 is mapped to the DMRS#0 of PO#2 in the time slot slot0
  • the preamble Preamble2 is mapped to the DMRS#0 of PO#0 in the time slot slot1
  • the preamble Preamble3 is mapped to the DMRS#0 of PO#2 in the slot1.
  • Preamble Preamble4 is mapped to DMRS#0 of PO#1 in slot0, Preamble5 is mapped to DMRS#0 of PO#3 in slot0; Preamble6 is mapped to DMRS#0 of PO#1 in slot1, Preamble7 is mapped to DMRS#0 of PO#1 in slot1 Mapped to DMRS#0 of PO#3 in slot1.
  • Preamble Preamble Preamble8 is mapped to DMRS#1 of PO#0 in slot0, Preamble9 is mapped to DMRS#1 of PO#2 in slot0; Preamble10 is mapped to DMRS#1 of PO#0 in slot1, Preamble11 Mapped to DMRS#1 of PO#2 in slot1.
  • Preamble Preamble12 is mapped to DMRS#1 of PO#1 in slot0, Preamble13 is mapped to DMRS#1 of PO#3 in slot0; Preamble14 is mapped to DMRS#1 of PO#1 in slot1, Preamble15 Mapped to DMRS#1 of PO#3 in slot1.
  • preamble 0 For the retransmission of MsgA, in the first transmission, preamble 0 is used, and in the second transmission, preamble 1-3 can be selected because their corresponding POs are time-divisional.
  • SSB 0 is associated with 16 preambles, and these 16 consecutive preambles Preamble0 to Preamble15 are mapped in the order of the time domain resource index first, for example, according to the above (2), The order of (1), (3) and (4) is mapped to the PRU.
  • the leading Preamble0 is mapped to DMRS#0 of PO#0 in slot0
  • the leading Preamble1 is mapped to DMRS#0 of PO#0 in slot1
  • the leading Preamble2 is mapped to DMRS# of PO#2 in slot0
  • the preamble Preamble3 is mapped to DMRS#0 of PO#2 in slot1.
  • Preamble Preamble4 is mapped to DMRS#0 of PO#1 in slot0
  • Preamble5 is mapped to DMRS#0 of PO#1 in slot1
  • Preamble6 is mapped to DMRS#0 of PO#3 in slot0
  • Preamble7 is mapped to DMRS#0 of PO#3 in slot0 Mapped to DMRS#0 of PO#3 in slot1.
  • Preamble Preamble8 is mapped to DMRS#1 of PO#0 in slot0
  • Preamble9 is mapped to DMRS#1 of PO#0 in slot1
  • Preamble10 is mapped to DMRS#1 of PO#2 in slot0
  • Preamble11 Mapped to DMRS#1 of PO#2 in slot1.
  • Preamble Preamble12 is mapped to DMRS#1 of PO#1 in slot0, Preamble13 is mapped to DMRS#1 of PO#1 in slot1; Preamble14 is mapped to DMRS#1 of PO#3 in slot0, Preamble15 Mapped to DMRS#1 of PO#3 in slot1.
  • the solution of this example can avoid that the retransmission of MsgA cannot be completed when the preamble associated with a certain SSB in a PRACH slot is mapped to the frequency-divided PO.
  • different RACH resources may be configured for NR and NR-light respectively.
  • different RACH resource configurations may include: different sets of preamble sequences; different frequency domain positions of RACH resources; different time domain positions of RACH resources, and the like.
  • the mapping between the preamble and the PRU is mapped in the order of the time domain and then the frequency domain, so that multiple time domain POs can be obtained more quickly for repeated transmission of MsgA.
  • the delay of repeated transmission of MsgA can be reduced.
  • Example 3 On the basis of Example 2, the mapping relationship between the preamble and the PRU can be determined according to at least one of the parameters of ssb-perRACH-Occasion, msg1-FDM and the number of SSBs.
  • Example 1-2 is mainly about the mapping between preamble and PRU.
  • the mapping order of PRU is time domain mapping first, which ensures that the PRUs mapped by the preamble associated with an SSB are time-shared with each other.
  • the mapping sequence of the preamble can also satisfy the time division first mapping.
  • the sequence of a set of consecutive preambles is:
  • mapping step is a specific example in which the order of (1) and (2) above can be exchanged, and the order of (3) and (4) can also be exchanged.
  • mapping relationship between the preamble and the PRU can be seen in Figure 12a or Figure 12b.
  • mapping of the preamble in the PRACH slot and the mapping method between the preamble and the PRU are all mapped in the order of the time domain, which can satisfy the repeated transmission of MsgA, and the retransmission transmission delay is short.
  • FIG. 13 is a schematic block diagram of a terminal device 400 according to an embodiment of the present application.
  • the terminal device 400 may include:
  • the processing unit 410 is configured to determine multiple physical uplink shared channel PUSCH resources, the time domain resources of the multiple PUSCH resources are different, the multiple PUSCH resources are used for repeated transmission of the PUSCH, and the PUSCH belongs to the message of the type 2 random access process A.
  • the time domain resources of the PO where the repeated transmission of the PUSCH is located are different.
  • the PUSCH resource and the preamble have a mapping relationship.
  • the processing unit is further configured to map N consecutive preambles to the PUSCH resources in the order of time domain resource indices, where N is a positive integer.
  • the order of the time domain resource indexes includes: the order of the time domain resource indexes of the time division PO in the PUSCH time slot is increasing.
  • the mapping sequence further includes at least one of the following:
  • the order of the frequency resource indices of the frequency multiplexed POs is increasing;
  • the order of demodulation reference signal DMRS resource indices within PO is increasing.
  • the order of the time domain resource indexes includes: the order of the PUSCH time slot indexes is increasing.
  • mapping sequence further includes at least one of the following:
  • the order of the time domain resource index of the time division PO in the PUSCH slot is increasing;
  • the order of the frequency resource indices of the frequency multiplexed POs is increasing;
  • the order of the DMRS resource indices within the PO is increasing.
  • the DMRS resource indexes are first sorted according to the ascending order of the DMRS port indexes, and then according to the ascending order of the DMRS sequence indexes.
  • the random access channel RACH resources configured by the NR terminal and the light NR terminal are different.
  • different RACH resources include at least one of the following:
  • the set of preamble sequences is different;
  • the frequency domain locations of the RACH resources are different;
  • the time domain locations of the RACH resources are different.
  • the processing unit is further configured to determine the N consecutive preambles based on at least one of the following parameters:
  • the number of SSBs is the number of SSBs.
  • the processing unit is further configured to map the RO where the preamble associated with the repeated transmission of the PUSCH is located to different time domains.
  • the processing unit is further configured to map the N consecutive preambles in the order of time division RO, where N is a positive integer.
  • the order of the time-division ROs includes: the order of time-domain resource indexes of the time-division ROs in the PRACH timeslot is increasing.
  • mapping sequence further includes at least one of the following:
  • the order of the frequency resource indices of the frequency multiplexing RO is increasing.
  • the order of the time-division RO includes: the order of the PRACH time slot indexes is increasing.
  • mapping sequence further includes at least one of the following:
  • the order of the time domain resource indices of the time division ROs in the PRACH slot is increasing;
  • the order of the frequency resource indices of the frequency multiplexing RO is increasing.
  • the terminal device 400 in this embodiment of the present application can implement the corresponding functions of the terminal device in the foregoing method embodiments.
  • each module (sub-module, unit, or component, etc.) in the terminal device 400 reference may be made to the corresponding descriptions in the foregoing method embodiments, which will not be repeated here.
  • the functions described by each module (submodule, unit, or component, etc.) in the terminal device 400 of the application embodiment may be implemented by different modules (submodule, unit, or component, etc.), or may be implemented by the same module Module (submodule, unit or component, etc.) implementation.
  • FIG. 14 is a schematic structural diagram of a communication device 600 according to an embodiment of the present application.
  • the communication device 600 includes a processor 610, and the processor 610 can call and run a computer program from the memory, so that the communication device 600 implements the methods in the embodiments of the present application.
  • the communication device 600 may further include a memory 620 .
  • the processor 610 may call and run a computer program from the memory 620, so that the communication device 600 implements the methods in the embodiments of the present application.
  • the memory 620 may be a separate device independent of the processor 610 , or may be integrated in the processor 610 .
  • the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices, specifically, may send information or data to other devices, or receive other Information or data sent by a device.
  • the transceiver 630 may include a transmitter and a receiver.
  • the transceiver 630 may further include antennas, and the number of the antennas may be one or more.
  • the communication device 600 may be a network device in this embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented by the network device in each method in the embodiment of the present application, which is not repeated here for brevity.
  • the communication device 600 may be a terminal device in this embodiment of the present application, and the communication device 600 may implement corresponding processes implemented by the terminal device in each method in the embodiment of the present application, which is not repeated here for brevity.
  • FIG. 15 is a schematic structural diagram of a chip 700 according to an embodiment of the present application.
  • the chip 700 includes a processor 710, and the processor 710 can call and run a computer program from a memory, so as to implement the method in the embodiments of the present application.
  • the chip 700 may further include a memory 720 .
  • the processor 710 may call and run a computer program from the memory 720 to implement the method executed by the terminal device or the network device in the embodiment of the present application.
  • the memory 720 may be a separate device independent of the processor 710 , or may be integrated in the processor 710 .
  • the chip 700 may further include an input interface 730 .
  • the processor 710 may control the input interface 730 to communicate with other devices or chips, and specifically, may acquire information or data sent by other devices or chips.
  • the chip 700 may further include an output interface 740 .
  • the processor 710 can control the output interface 740 to communicate with other devices or chips, and specifically, can output information or data to other devices or chips.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the network device in each method of the embodiment of the present application, which is not repeated here for brevity.
  • the chip can be applied to the terminal device in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the terminal device in each method of the embodiment of the present application, which is not repeated here for brevity.
  • Chips applied to network equipment and terminal equipment can be the same chip or different chips.
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.
  • the above-mentioned processor may be a general-purpose processor, a digital signal processor (DSP), an off-the-shelf programmable gate array (field programmable gate array, FPGA), an application specific integrated circuit (ASIC) or Other programmable logic devices, transistor logic devices, discrete hardware components, etc.
  • DSP digital signal processor
  • FPGA field programmable gate array
  • ASIC application specific integrated circuit
  • the general-purpose processor mentioned above may be a microprocessor or any conventional processor or the like.
  • the memory mentioned above may be either volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically programmable Erase programmable read-only memory (electrically EPROM, EEPROM) or flash memory.
  • Volatile memory may be random access memory (RAM).
  • the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is, the memory in the embodiments of the present application is intended to include but not limited to these and any other suitable types of memory.
  • FIG. 16 is a schematic block diagram of a communication system 800 according to an embodiment of the present application.
  • the communication system 800 includes a terminal device 810 and a network device 820 .
  • the terminal device 810 is used to determine multiple physical uplink shared channel PUSCH resources, the time domain resources of the multiple PUSCH resources are different, the multiple PUSCH resources are used for repeated transmission of the PUSCH, and the PUSCH belongs to the message of the type 2 random access process A.
  • the network device 820 is configured to reply the message B to the terminal device after receiving the repeatedly transmitted message A from the terminal device 810 in the type 2 random access process.
  • the terminal device 810 can be used to implement the corresponding functions implemented by the terminal device in the above method, and the network device 820 can be used to implement the corresponding functions implemented by the network device in the above method. For brevity, details are not repeated here.
  • the terminal device before detecting a response from a network device such as a base station, the terminal device may repeatedly transmit the message A several times, and then detect the response from the network device such as the base station. Therefore, the transmission reliability of the message A can be improved.
  • the above-mentioned embodiments it may be implemented in whole or in part by software, hardware, firmware or any combination thereof.
  • software it can be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions.
  • the computer program instructions When the computer program instructions are loaded and executed on a computer, the procedures or functions according to the embodiments of the present application are generated in whole or in part.
  • the computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer instructions may be stored on or transmitted from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions may be transmitted over a wire from a website site, computer, server or data center (eg coaxial cable, optical fiber, Digital Subscriber Line (DSL)) or wireless (eg infrared, wireless, microwave, etc.) means to another website site, computer, server or data center.
  • the computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that includes an integration of one or more available media.
  • the available media may be magnetic media (eg, floppy disks, hard disks, magnetic tapes), optical media (eg, DVD), or semiconductor media (eg, Solid State Disk (SSD)), and the like.
  • the size of the sequence numbers of the above-mentioned processes does not mean the sequence of execution, and the execution sequence of each process should be determined by its functions and internal logic, and should not be dealt with in the embodiments of the present application. implementation constitutes any limitation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente demande concerne un procédé de détermination de ressources de canal et un dispositif terminal. Le procédé de détermination de ressource de canal comprend les étapes suivantes : un dispositif terminal détermine une pluralité de ressources PUSCH de canal partagé de liaison montante physique, les ressources de domaine temporel pour ladite pluralité de ressources PUSCH étant différentes, et ladite pluralité de ressources PUSCH servant à la retransmission d'un PUSCH, ledit PUSCH appartenant à un message A de la procédure d'accès aléatoire de type 2. Le mappage d'une pluralité de ressources PUSCH avec différentes ressources de domaine temporel facilite la mise en œuvre d'une retransmission PUSCH.
PCT/CN2020/110152 2020-08-20 2020-08-20 Procédé de détermination de ressources de canal et dispositif terminal WO2022036617A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202080104361.4A CN116058029A (zh) 2020-08-20 2020-08-20 信道资源的确定方法和终端设备
PCT/CN2020/110152 WO2022036617A1 (fr) 2020-08-20 2020-08-20 Procédé de détermination de ressources de canal et dispositif terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/110152 WO2022036617A1 (fr) 2020-08-20 2020-08-20 Procédé de détermination de ressources de canal et dispositif terminal

Publications (1)

Publication Number Publication Date
WO2022036617A1 true WO2022036617A1 (fr) 2022-02-24

Family

ID=80322435

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/110152 WO2022036617A1 (fr) 2020-08-20 2020-08-20 Procédé de détermination de ressources de canal et dispositif terminal

Country Status (2)

Country Link
CN (1) CN116058029A (fr)
WO (1) WO2022036617A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170164411A1 (en) * 2015-12-03 2017-06-08 Seoul National University R&Db Foundation Method and system for random access and uplink data transmission for low latency communication
CN107872899A (zh) * 2016-09-23 2018-04-03 中兴通讯股份有限公司 一种随机接入方法、装置和设备
CN111278157A (zh) * 2019-01-25 2020-06-12 维沃移动通信有限公司 随机接入资源的选择方法及终端
CN111447644A (zh) * 2019-01-17 2020-07-24 北京三星通信技术研究有限公司 用户设备以及上行数据传输方法
WO2020154992A1 (fr) * 2019-01-30 2020-08-06 Qualcomm Incorporated Procédure d'accès aléatoire basée sur une procédure de canal d'accès aléatoire en deux étapes et sur une procédure de canal d'accès aléatoire en quatre étapes

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111328152B (zh) * 2020-02-27 2021-11-12 北京邮电大学 两步随机接入中MsgA的资源配置和传输方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170164411A1 (en) * 2015-12-03 2017-06-08 Seoul National University R&Db Foundation Method and system for random access and uplink data transmission for low latency communication
CN107872899A (zh) * 2016-09-23 2018-04-03 中兴通讯股份有限公司 一种随机接入方法、装置和设备
CN111447644A (zh) * 2019-01-17 2020-07-24 北京三星通信技术研究有限公司 用户设备以及上行数据传输方法
CN111278157A (zh) * 2019-01-25 2020-06-12 维沃移动通信有限公司 随机接入资源的选择方法及终端
WO2020154992A1 (fr) * 2019-01-30 2020-08-06 Qualcomm Incorporated Procédure d'accès aléatoire basée sur une procédure de canal d'accès aléatoire en deux étapes et sur une procédure de canal d'accès aléatoire en quatre étapes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
INTEL CORPORATION: "Channel structure for two-step RACH", 3GPP DRAFT; R1-1902466 INTEL CHANNEL STRUCTURE., 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, 16 February 2019 (2019-02-16), Athens, Greece, XP051600162 *

Also Published As

Publication number Publication date
CN116058029A (zh) 2023-05-02

Similar Documents

Publication Publication Date Title
US20230069882A1 (en) Method for configuring sidelink feedback resource, terminal device, and network device
WO2018028570A1 (fr) Procédé d'envoi de signal de référence et dispositif d'envoi de signal de référence
WO2018027982A1 (fr) Procédé et appareil d'envoi de signal de référence et procédé et appareil de réception de signal de référence
WO2019136720A1 (fr) Procédé et dispositif d'émission de signaux
WO2019213968A1 (fr) Procédé de transmission de canal de liaison montante et dispositif terminal
WO2020164639A1 (fr) Procédé, dispositif, et système d'accès aléatoire
WO2022126637A1 (fr) Procédé de détermination de ressources, dispositif de terminal et dispositif de réseau
TW201919427A (zh) 無線通訊方法、終端和網路設備
WO2022099634A1 (fr) Procédé de communication sans fil, dispositif terminal, et dispositif de réseau
US20220303961A1 (en) Physical channel monitoring method and terminal device
WO2022036617A1 (fr) Procédé de détermination de ressources de canal et dispositif terminal
CN111771338A (zh) 物理上行链路共享信道(pusch)跳频分配
US20210195568A1 (en) Communication method and apparatus
WO2022222106A1 (fr) Procédé de transmission de canal physique de rétroaction de liaison latérale (psfch) et dispositif terminal
WO2022217443A1 (fr) Procédé d'estimation de canal, dispositif terminal, dispositif de réseau, puce et support de stockage
WO2022141106A1 (fr) Procédé et dispositif de transmissions répétées de canal de données
WO2022141629A1 (fr) Procédé de détermination de ressources, premier dispositif terminal et second dispositif terminal
WO2020199983A1 (fr) Procédé et dispositif de commande de puissance
US20230217433A1 (en) Resource scheduling method, terminal device, and network device
WO2023272562A1 (fr) Procédé de communication sans fil, dispositif terminal et dispositif de réseau
WO2022151111A1 (fr) Procédé de configuration de signaux, dispositif de terminal, dispositif de réseau, puce, et support de stockage
WO2023197154A1 (fr) Procédé de communication sans fil, dispositif terminal et dispositif réseau
WO2023066202A1 (fr) Procédé et appareil de mappage de ressources pour signal de référence, et terminal et dispositif de réseau
WO2021232321A1 (fr) Procédé permettant de déterminer une ressource de signal de référence de démodulation, dispositif terminal et dispositif de réseau
WO2022077509A1 (fr) Procédé de transmission de canal de commande, dispositif terminal et dispositif réseau

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20949828

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20949828

Country of ref document: EP

Kind code of ref document: A1