WO2021056383A1 - Procédé de communication sans fil, équipement terminal et dispositif de réseau - Google Patents

Procédé de communication sans fil, équipement terminal et dispositif de réseau Download PDF

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Publication number
WO2021056383A1
WO2021056383A1 PCT/CN2019/108396 CN2019108396W WO2021056383A1 WO 2021056383 A1 WO2021056383 A1 WO 2021056383A1 CN 2019108396 W CN2019108396 W CN 2019108396W WO 2021056383 A1 WO2021056383 A1 WO 2021056383A1
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WIPO (PCT)
Prior art keywords
timing deviation
information
terminal device
group
timing
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PCT/CN2019/108396
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English (en)
Chinese (zh)
Inventor
徐伟杰
Original Assignee
Oppo广东移动通信有限公司
Oppo广东移动通信有限公司深圳分公司
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Application filed by Oppo广东移动通信有限公司, Oppo广东移动通信有限公司深圳分公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2019/108396 priority Critical patent/WO2021056383A1/fr
Priority to CN201980094931.3A priority patent/CN113632548B/zh
Publication of WO2021056383A1 publication Critical patent/WO2021056383A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements

Definitions

  • the embodiments of the present application relate to the field of communications, and in particular to a wireless communication method, terminal device, and network device.
  • the terminal device can receive the downlink control information (Downlink Control Information, DCI) for scheduling the Physical Uplink Shared Channel (PUSCH) in the time slot n, and then can receive the downlink control information (DCI) in the time slot n.
  • DCI Downlink Control Information
  • n'+K2 transmits the PUSCH, and the time slot n'can be determined according to the subcarrier interval between the PUSCH and the physical downlink control channel (Physical Downlink Control Channel, PDCCH), where K2 is the timing deviation between the PUSCH and the PDCCH.
  • PDCCH Physical Downlink Control Channel
  • the communication radius is usually small. Therefore, the path transmission delay of the uplink and downlink communication is short, and therefore, the influence on the timing deviation K2 is not large.
  • the NR system consider the use of satellite communication to provide communication services to the terminal equipment. The communication radius of satellite communication is large and the path transmission delay is large, which will affect the timing deviation K2. In this case, how to determine the timing deviation Ensuring the correct transmission of data is a problem that needs to be solved urgently.
  • the embodiments of the present application provide a wireless communication method, terminal equipment and network equipment, which can dynamically notify the terminal equipment of the timing deviation through the group public PDCCH.
  • a wireless communication method including: a terminal device receives a group public physical downlink control channel PDCCH, the group public PDCCH includes timing deviation indication information; the terminal device determines according to the timing deviation indication information Target timing deviation information.
  • a wireless communication method including: a network device sends a group public physical downlink control channel PDCCH to a terminal device, the group public PDCCH includes timing deviation indication information, and the timing deviation indication information is used for the The terminal device determines the target timing deviation information.
  • a wireless communication method including: a terminal device receives timing deviation indication information, wherein the timing deviation indication information corresponds to a reference subcarrier interval; and the terminal device is based on the timing deviation indication information and the timing deviation indication information. Determining the target timing deviation information based on the subcarrier interval currently used by the terminal device.
  • a terminal device which is used to execute the foregoing first aspect or the method in any possible implementation manner of the first aspect.
  • the terminal device includes a unit for executing the method in the first aspect or any possible implementation of the first aspect, or includes a unit for executing the third aspect or any possible implementation of the third aspect. The unit of the method in the mode.
  • a network device configured to execute the foregoing second aspect or any possible implementation of the second aspect.
  • the network device includes a unit for executing the foregoing second aspect or the method in any possible implementation manner of the second aspect.
  • a terminal device in a sixth aspect, includes a processor and a memory.
  • the memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the method in the first aspect or its implementation manners, or the method in the third aspect or its implementation manners.
  • a network device in a seventh aspect, includes a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the method in the above-mentioned second aspect or each implementation manner thereof.
  • a chip is provided for implementing any one of the above-mentioned first to third aspects or the method in each of its implementation manners.
  • 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 any one of the above-mentioned first to third aspects or any of the implementations thereof method.
  • a computer-readable storage medium for storing a computer program that enables a computer to execute any one of the above-mentioned first to third aspects or the method in each implementation manner thereof.
  • a computer program product which includes computer program instructions that cause a computer to execute any one of the above-mentioned first to third aspects or the method in each implementation manner thereof.
  • a computer program which, when run on a computer, causes the computer to execute any one of the above-mentioned first to third aspects or the method in each implementation manner thereof.
  • network equipment using Group-common PDCCH can realize more dynamic notification of timing deviation information to terminal equipment, thereby being able to adapt to rapid changes in the distance and angle between satellites and terminal equipment in satellite communication scenarios.
  • Fig. 1 is a schematic diagram of an application scenario provided by an embodiment of the present application.
  • Figure 2 is a schematic diagram of the distance between terminal equipment and satellites in different locations.
  • FIG. 3 is a schematic diagram of a wireless communication method provided by an embodiment of the present application.
  • FIG. 4 is a schematic diagram of another wireless communication method provided by an embodiment of the present application.
  • FIG. 5 is a schematic diagram of still another wireless communication method provided by an embodiment of the present application.
  • Fig. 6 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • Fig. 7 is a schematic block diagram of a network device provided by an embodiment of the present application.
  • FIG. 8 is a schematic block diagram of a terminal device provided by an embodiment of the present application.
  • Fig. 9 is a schematic block diagram of a communication device according to another embodiment of the present application.
  • FIG. 10 is a schematic block diagram of a chip provided by an embodiment of the present application.
  • FIG. 11 is a schematic block diagram of a communication system provided by an embodiment of the present application.
  • GSM Global System of Mobile Communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GSM Global System of Mobile Communication
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the communication system 100 applied in the embodiment of the present application is shown in FIG. 1.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal device 120 (or called a communication terminal or terminal).
  • the network device 110 may provide communication coverage for a specific geographic area, and may communicate with terminal devices located in the coverage area.
  • the network device 110 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, a base station (NodeB, NB) in a WCDMA system, or an evolved base station in an LTE system (Evolutional Node B, eNB or eNodeB), or the wireless controller in the Cloud Radio Access Network (CRAN), or the network equipment can be a mobile switching center, a relay station, an access point, a vehicle-mounted device, Wearable devices, hubs, switches, bridges, routers, network-side devices in 5G networks, or network devices in the future evolution of the Public Land Mobile Network (PLMN), etc.
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • LTE Long Term Evolutional Node B
  • eNB evolved base station
  • CRAN Cloud Radio Access Network
  • the network equipment can be a mobile switching center, a relay station, an access point, a vehicle-mounted device, Wearable devices, hubs, switches
  • the communication system 100 also includes at least one terminal device 120 located within the coverage area of the network device 110.
  • the "terminal equipment” used here includes but is not limited to connection via wired lines, such as via Public Switched Telephone Networks (PSTN), Digital Subscriber Line (DSL), digital cable, and direct cable connection ; And/or another data connection/network; and/or via a wireless interface, such as for cellular networks, wireless local area networks (WLAN), digital TV networks such as DVB-H networks, satellite networks, AM- FM broadcast transmitter; and/or another terminal device that is set to receive/send communication signals; and/or Internet of Things (IoT) equipment.
  • PSTN Public Switched Telephone Networks
  • DSL Digital Subscriber Line
  • WLAN wireless local area networks
  • IoT Internet of Things
  • a terminal device set to communicate through a wireless interface may be referred to as a "wireless communication terminal", a “wireless terminal” or a “mobile terminal”.
  • mobile terminals include, but are not limited to, satellite or cellular phones; Personal Communications System (PCS) terminals that can combine cellular radio phones with data processing, fax, and data communication capabilities; can include radio phones, pagers, Internet/intranet PDA with internet access, web browser, memo pad, calendar, and/or Global Positioning System (GPS) receiver; and conventional laptop and/or palmtop receivers or others including radio telephone transceivers Electronic device.
  • PCS Personal Communications System
  • GPS Global Positioning System
  • Terminal equipment can refer to access terminals, user equipment (UE), user units, user stations, mobile stations, mobile stations, remote stations, remote terminals, mobile equipment, user terminals, terminals, wireless communication equipment, user agents, or User device.
  • the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant, PDA), with wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in 5G networks, or terminal devices in the future evolution of PLMN, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • direct terminal connection (Device to Device, D2D) communication may be performed between the terminal devices 120.
  • the 5G system or 5G network may also be referred to as a New Radio (NR) system or NR network.
  • NR New Radio
  • Figure 1 exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminal devices. The embodiment does not limit this.
  • the communication system 100 may also include other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • the devices with communication functions in the network/system in the embodiments of the present application may be referred to as communication devices.
  • the communication device may include a network device 110 having a communication function and a terminal device 120.
  • the network device 110 and the terminal device 120 may be the specific devices described above, which will not be repeated here.
  • the communication device may also include other devices in the communication system 100, such as network controllers, mobility management entities, and other network entities, which are not limited in the embodiment of the present application.
  • the terminal device sends the PUSCH time slot
  • the terminal device If the terminal device receives a physical downlink shared channel (Physical Downlink Shared Channel, PDSCH) scheduled based on DCI format 1_0 or DCI format 1_1 in time slot n, or if the terminal device receives a PDCCH transmitted through PDCCH in time slot n Semi-Persistent Scheduling (SPS) PDSCH release signaling indicated by DCI format 1_0, the terminal device sends the corresponding Hybrid Automatic Repeat reQuest-ACKnowledge (Hybrid-Automatic Repeat reQuest-ACKnowledge, HARQ-ACK) in time slot n+k Information, where k is the number of time slots indicated by the PDSCH-to-HARQ-timing-indicator in the DCI format.
  • PDSCH Physical Downlink shared channel
  • SPS Semi-Persistent Scheduling
  • the 3 bits in DCI format 1_0 are used to indicate 1 to 8 time slots.
  • Slot, 4 bits in DCI format1_1 are used to indicate 1-16 time slots, or k can also be indicated by signaling downlink data to uplink feedback (dl-DataToUL-ACK).
  • the NR system supports aperiodic channel state information (CSI) reporting and semi-persistent CSI reporting. Both CSI reporting are activated/triggered by DCI and carried by PUSCH.
  • CSI reporting are activated/triggered by DCI and carried by PUSCH.
  • the possible value of the time slot offset between PUSCH and DCI reported by activated/triggered CSI can be configured through high-level signaling parameters, such as the report slot offset list (reportSlotOffsetList).
  • the value range can be 0-32 time slots. Actual use The time slot deviation k is indicated by activating/triggering the DCI reported by the CSI.
  • the CSI reference resource is used for CSI measurement to measure the interference of the serving cell.
  • the terminal equipment can report the CSI in the uplink time slot n'.
  • the CSI reference resource is located in a separate downlink time slot.
  • ⁇ DL and ⁇ UL are the downlink and uplink subcarrier spacing respectively.
  • NTN Non-Terrestrial Network
  • both the downlink (the link from the satellite to the terminal device) and the uplink (the link from the terminal device to the satellite) have a long path propagation delay, and for low-orbit satellites generally one-way propagation
  • the time delay is several microseconds.
  • the one-way propagation delay is generally several hundred microseconds.
  • FIG. 3 is a schematic flowchart of a wireless communication method 200 according to an embodiment of the application.
  • the method 200 may be executed by the terminal device in the communication system shown in FIG. 1.
  • the method 200 may include at least part of the following content:
  • the terminal device receives a group public physical downlink control channel PDCCH, where the group public PDCCH includes timing deviation indication information;
  • S220 The terminal device determines target timing deviation information according to the timing deviation indication information.
  • the Group-common PDCCH can be used to more dynamically notify the terminal device of the timing deviation, thereby being able to adapt to the rapid change of the distance between the satellite and the terminal device in the satellite communication scenario.
  • the network device may notify the timing deviation indication information through other dynamic signaling, which is not limited in the embodiment of the present application.
  • the timing deviation indication information may be used to determine the target timing deviation information, and the target timing deviation (denoted as K_offset) may be the propagation delay caused by the propagation path between the network device and the terminal device, In other words, to compensate for timing deviation.
  • the timing deviation indication information may include the one-way propagation delay between the network device and the terminal device, such as the propagation delay of the uplink or the propagation delay of the downlink.
  • the timing deviation indication information may include the round-trip propagation delay between the network device and the terminal device, for example, the sum of the propagation delay of the uplink and the propagation delay of the downlink.
  • the timing deviation indication information is a one-way propagation delay as an example for description.
  • the target timing offset information K_offset may be used to compensate for at least one of the following timing offsets:
  • CSI Channel State Information
  • the timing deviation of the CSI reference resource is the timing deviation of the CSI reference resource.
  • the network device For the timing deviation K2 between the PDCCH and PUSCH, the network device sends the PDCCH to the terminal device in time slot n, and the terminal device receives the PDCCH after experiencing K_offset1. If the PDCCH instructs the terminal device to send PUSCH in time slot n+K2, then The terminal device may send the PUSCH according to the timing deviation K2, and the PUSCH needs to experience K_offset1 to reach the network device, and the network device expects to receive the PUSCH in the time slot n+K2+2K_offset1.
  • the network device on the basis of the timing deviation K2, the network device further notifies K_offset1 to the terminal device, so that the terminal device can adjust the PUSCH transmission timing according to the timing deviation K2 and K_offset1, so that the network device The PUSCH is received in time slot n+K2+2K_offset1.
  • the terminal device For the timing of the terminal device side, if the terminal device receives the PDCCH sent by the network device in the time slot n, the PDCCH instructs the terminal device to send the PUSCH in the time slot n+K2. Because the PUSCH needs to experience K_offset1 to reach the network device, the network The device expects to receive the PUSCH in the time slot n+K2+K_offset1. Therefore, in this embodiment of the application, on the basis of the timing deviation K2, the network device further notifies K_offset1 to the terminal device, so that the terminal device can adjust the PUSCH transmission timing according to the timing deviation K2 and K_offset1, so that the network device The PUSCH is received in time slot n+K2+K_offset1.
  • the terminal device can send PUCCH based on the timing deviation K1 to carry the HARQ-ACK information of the PDSCH.
  • the path propagation delay is large, the HARQ -ACK information needs to experience K_offset2 to reach the network device, and the network device expects to receive the PUCCH in the time slot n+K1+K_offset2.
  • the network device further informs K_offset2 to the terminal device, so that the terminal device can adjust the PUCCH transmission timing according to the timing deviation K1 and K_offset2, so that the network device is in the time slot n+K1+ K_offset2 receives the PUSCH.
  • the terminal device can be based on the timing deviation k performs CSI reporting.
  • the path propagation delay is relatively large.
  • the CSI reported by the terminal device needs to experience K_offset3 before reaching the network device.
  • the network device expects to receive the CSI in the time slot n+k+K_offset3.
  • the network device on the basis of the timing deviation k, the network device further notifies K_offset3 to the terminal device, so that the terminal device can adjust the CSI transmission timing according to the timing deviation k and K_offset3, so that the network device The CSI is received in time slot n+k+K_offset3.
  • the network device further informs K_offset4 to the terminal device, so that the terminal device can adjust the timing of the CSI reference resource according to the timing deviation n CSI_ref and K_offset4, For example, the timing of the CSI reference resource is adjusted to nn CSI_ref- K_offset4, so that the network device receives the CSI reported by the terminal device in the time slot n.
  • the foregoing example is the same as the downlink sub-carrier spacing above.
  • the uplink and downlink sub-carrier spacing is different, it can be adjusted according to the relationship between the uplink and downlink sub-carrier spacing.
  • the K_offsets used to compensate for the above four timing deviations can be the same, that is, K_offset1, K_offset2, K_offset3, and K_offset4 can be equal, or the above four timing deviations can be compensated by using different K_offsets.
  • the different K_offset may be notified through one Group-common PDCCH, or may also be notified separately through multiple Group-common PDCCHs.
  • the group-common physical downlink control channel may be sent to a specific terminal group. That is, the timing deviation indication information is applicable to the specific terminal group.
  • the specific terminal group may be a terminal group to which the terminal device belongs.
  • the specific terminal group may include:
  • a group of terminals in a satellite beam is a group of terminals in a satellite beam.
  • one satellite cell may be covered by multiple satellite beams.
  • the Group-common PDCCH is scrambled by a dedicated radio network temporary identifier (Radio Network Temporary Identity, RNTI). That is, the dedicated RNTI may be used to scramble the Group-common PDCCH that carries the timing deviation indication information, and the Group-common PDCCH that carries other information is not scrambled by the dedicated RNTI.
  • RNTI Radio Network Temporary Identity
  • the dedicated RNTI may be predefined or configured by a network device.
  • the network device may configure the dedicated RNTI for the terminal device through high-level signaling.
  • the high-level signaling may be radio resource control (Radio Resource Control, RRC) dedicated signaling, system broadcast messages or media access control control elements (Media Access Control Control Element, MAC CE), or through Other signaling configurations are not limited in this embodiment of the application.
  • RRC Radio Resource Control
  • MAC CE Media Access Control Control Element
  • the dedicated RNTI may be the RNTI for the specific terminal group, that is, the Group-common PDCCH sent for the specific terminal group may be scrambled by the dedicated RNTI, Group-common PDCCHs sent by other terminal groups can be scrambled using RNTI dedicated to other terminal groups.
  • the Group-common PDCCH can be sent periodically, that is, the terminal device can periodically receive the Group-common PDCCH, and the network device can quickly notify the terminal device of the group-common PDCCH by periodically sending the Group-common PDCCH.
  • the timing deviation indication information is beneficial to adapt to the rapid change of the distance between the satellite and the terminal device in the satellite communication scenario.
  • the sending period of the Group-common PDCCH and the time domain position within the sending period are predefined or configured by a network device, for example, can be configured through high-level signaling.
  • the high-level signaling may be RRC dedicated signaling, system broadcast message, or MAC CE signaling.
  • the time unit of the timing deviation indicated by the timing deviation indication information may be predefined or configured by a network device, for example, configured through high-level signaling.
  • the high-level signaling may be RRC dedicated signaling, system broadcast message, or MAC CE.
  • the time unit may be one or more milliseconds, or one or more time slots, or may be other time units, which is not limited in the embodiment of the present application.
  • the terminal device may multiply the K_offset by the time unit as the target timing offset information. For example, if the timing deviation indication information takes a value of 60 and the time unit is 5 ms, the terminal device may determine that the target timing deviation information is 300 ms.
  • timing deviation indication information In the following, a specific implementation manner of the timing deviation indication information will be described with reference to specific embodiments.
  • the timing deviation indication information includes common timing deviation information of the group.
  • the network device can notify the terminal device of the common timing deviation information of the group through the Group-common PDCCH.
  • the group may be the aforementioned specific terminal group.
  • the common timing deviation information of the group may be carried in a specific information field in the DCI of the Group-common PDCCH, and the terminal device may obtain from the specific information field of the DCI Common timing offset information of the group.
  • the common timing deviation information of the group may be determined based on the location of a specific terminal within the coverage area of the network device.
  • the specific terminal position may be the terminal position closest to the network device, such as the position of UE1 as shown in FIG. 2, and the common timing deviation information of the group may be the timing deviation corresponding to UE1.
  • the timing deviation may be the propagation delay of the path from UE1 to the network device.
  • the specific terminal position may be the terminal position farthest from the network device, such as the position of UE2 as shown in FIG. 2, and the common timing deviation information of the group may be the timing deviation corresponding to UE2.
  • the corresponding timing deviation may be the propagation delay of the path from UE2 to the network device.
  • the terminal equipment in the group may determine the common timing deviation information of the group included in the Group-common PDCCH as the target timing deviation information, and further, the terminal equipment may The timing of the signal or channel to be transmitted is adjusted based on the common timing deviation information of the group.
  • the network device may also notify the timing deviation indication information through system information. Before receiving the Group-common PDCCH, the terminal device may determine the target according to the timing deviation indication information in the system information. For timing deviation information, after receiving the Group-common PDCCH, the terminal device may determine the target timing deviation information according to the timing deviation indication information carried by the Group-common PDCCH.
  • the terminal device may determine the target timing offset information according to the recently received Group-common PDCCH, that is, the terminal device may determine the target timing offset information before it is no longer used.
  • the Group-common PDCCH determines the target timing deviation information.
  • the Group-common PDCCH can be used to more dynamically notify the terminal device of the timing deviation, thereby being able to adapt to the rapid change of the distance between the satellite and the terminal device in the satellite communication scenario.
  • the timing deviation indication information includes a timing deviation adjustment amount
  • the timing deviation adjustment amount may be an adjustment amount relative to the common timing deviation information of the group, wherein the timing deviation adjustment amount may be for all The amount of timing deviation adjustment of the group.
  • the timing deviation indication information includes a timing deviation adjustment amount of each terminal device in a plurality of terminal devices, and the timing deviation adjustment amount of each terminal device may be an adjustment relative to the common timing deviation information of the group the amount.
  • the common timing offset information of the group may be obtained from system information, or may also be obtained from Group-common PDCCH.
  • the terminal device may determine the target timing deviation information according to the common timing deviation information of the group and the timing deviation adjustment amount. For example, the terminal device may determine the sum of the common timing deviation information of the group and the timing deviation adjustment amount as the target timing deviation information.
  • the terminal device will be able to calculate the sum of the common timing offset information of the group and the timing offset adjustment , That is, K_offset+delta_K_offset is determined as the target timing deviation information.
  • the terminal device may be based on the common timing deviation information of the group and the The timing offset adjustment amount (delta_K_offset_UE) of the terminal device determines the target timing offset information. For example, the terminal device may determine the sum of the common timing offset information of the group and the timing offset adjustment amount delta_K_offset_UE of the terminal device, that is, K_offset+delta_K_offset_UE as the target timing offset information.
  • the terminal device may also determine the target timing according to the common timing offset information K_offset of the group, the timing offset adjustment delta_K_offset, and the timing offset adjustment delta_K_offset_UE of the terminal device Deviation information.
  • the terminal device may determine the common timing deviation information of the group, the sum of the timing deviation adjustment amount and the timing deviation adjustment amount of the terminal device as the target timing deviation information.
  • the network device can notify the terminal device of the timing offset information through the system information combined with the Group-common PDCCH, so that the terminal device can obtain the K_offset of the terminal group immediately after reading the system information, and the network device can further Group-common PDCCH can realize more dynamic notification of the timing offset adjustment delta_K_offset to the terminal device, which is beneficial to adapt to the rapid change of the distance between the satellite and the terminal device in the satellite communication scenario. Further, the network device can also notify the terminal device of the dedicated timing deviation adjustment amount, so that more accurate UE-level timing deviation adjustment can be achieved.
  • the terminal device may determine the target timing deviation information according to the timing deviation adjustment amount in the recently received Group-common PDCCH and the historical accumulated timing deviation adjustment amount of the terminal device.
  • the historical accumulated timing offset adjustment amount of the terminal device may be the accumulated value of the timing offset adjustment amount in the Group-common PDCCH received by the terminal device before.
  • the historical accumulated timing deviation adjustment amount of the terminal device is K_n
  • the Group-common PDCCH is received for the n+1th time.
  • the timing deviation adjustment amount of the terminal device is K_new.
  • the terminal device can determine that the target timing deviation information is K_n+K_new.
  • the historical accumulated timing deviation adjustment amount of the terminal device K_n+1 K_n+K_new.
  • the historical cumulative timing deviation adjustment amount may be at the granularity of the terminal device, or may also be at the granularity of the terminal group, that is, the terminal device may be based on the Group-common PDCCH
  • the timing deviation adjustment amount for the terminal group in the terminal group determines the target timing deviation information in combination with the historical accumulated timing deviation adjustment amount of the terminal group.
  • the terminal device may also perform the timing deviation adjustment amount in the other signaling. They are respectively included in the historical accumulated timing deviation adjustment amount and used to determine the target timing deviation information.
  • the network device may notify the location information of the timing deviation information of each of the multiple terminal devices in the DCI of the Group-common PDCCH, so as to facilitate the Each terminal device may obtain the timing deviation information of each terminal device according to the location information.
  • the network device may also notify the total length of information bits occupied by the timing deviation information of the multiple terminal devices, which is used by the terminal device to demodulate the Group-common PDCCH to obtain the total length of the information bits. Describe the timing deviation information of each terminal device.
  • the network device may notify the location information of the timing offset information of each of the multiple terminal devices in the DCI of the Group-common PDCCH through high-level signaling.
  • the high-level signaling may be RRC dedicated signaling, system broadcast message or MAC CE.
  • the position information of the timing deviation information of each terminal device in the DCI of the Group-common PDCCH may include the position number of the timing deviation information of each terminal device in the DCI. The position number can be used to indicate the starting position and length.
  • Embodiment 3 The reference subcarrier interval corresponding to the timing deviation indication information
  • the timing deviation indication information can be obtained from system information, or it can be obtained from Group-common PDCCH, or it can also be obtained from other signaling, such as RRC signaling. Not limited.
  • the network device may configure multiple bandwidth parts (Bandwidth Part, BWP) for the terminal device, and may configure different subcarrier intervals for multiple BWPs.
  • BWP Bandwidth Part
  • the system information or Group- The common PDCCH may only notify one timing deviation indication information, and the timing deviation indication information may correspond to the reference subcarrier interval.
  • the terminal equipment may be based on the timing deviation indication information, the currently used subcarrier interval and the reference subcarrier interval. The relationship between the carrier spacing determines the target timing deviation information.
  • the reference subcarrier interval may be predefined or configured by a network device.
  • the network device may be configured through high-level signaling, and the high-level signaling may be RRC dedicated signaling. Command, system broadcast message or MAC CE, etc., notify the reference subcarrier interval through system broadcast information or RRC signaling, which is beneficial to improve the flexibility of system indication.
  • the network device may select an appropriate reference sub-carrier interval according to information such as the working frequency band and the BWP sub-carrier configuration.
  • the reference sub-carrier interval may be determined according to the sub-carrier interval of a synchronization signal block (synchronizing signal/PBCH block, SSB, SS Block, or SS/PBCH block), for example, all The subcarrier interval of the SSB is determined as the reference subcarrier interval.
  • a synchronization signal block synchronizing signal/PBCH block, SSB, SS Block, or SS/PBCH block
  • the reference subcarrier interval may be determined according to the subcarrier interval of the system broadcast message, for example, the subcarrier interval of the system broadcast message may be determined as the reference subcarrier interval, or may also be determined according to the initial downlink BWP For the determination of the subcarrier interval, for example, the subcarrier interval of the initial downlink BWP may be determined as the reference subcarrier interval.
  • the embodiment of the present application does not specifically limit the method for determining the reference subcarrier interval.
  • the terminal device may determine the target timing deviation information according to the timing deviation indication information and the relationship between the currently used subcarrier spacing and the reference subcarrier spacing.
  • the terminal device may determine the first timing deviation information according to the timing deviation indication information.
  • the timing deviation indication information For specific implementation, refer to the description of determining target timing deviation information according to the timing deviation indication information in Embodiment 1 and Embodiment 2. Concise, I won't repeat it here.
  • the timing deviation indication information includes common timing deviation information for the group.
  • the terminal device may determine the common timing deviation information of the group as the first timing deviation information. Taking the timing between PDCCH and PUSCH as an example, if the common timing deviation information of the group is 60 and the time unit is 5ms, it can be determined that the target timing deviation is 300ms. If the terminal device receives the PDCCH in time slot n, Further, the terminal device may adjust the PUSCH transmission timing based on the timing deviation K2 between the PDCCH and the PUSCH and the target timing deviation 300, so that the network device can receive the data at the desired time (ie, time slot n+K2+300ms). ⁇ PUSCH.
  • the timing deviation indication information includes a timing deviation adjustment amount, wherein the timing deviation adjustment amount is an adjustment amount relative to the first common timing deviation information of the group.
  • the terminal device The first timing deviation information may be determined according to the timing deviation adjustment amount and the first common timing deviation information of the group. For example, the terminal device may compare the timing deviation adjustment amount to the first common timing deviation information of the group. The sum of timing deviation information is determined as the first timing deviation information.
  • the first common timing offset information of the group here may be obtained from system information, or may also be obtained from Group-common PDCCH.
  • the target timing deviation can be determined If the terminal device receives the PDCCH in time slot n, the terminal device can adjust the PUSCH transmission timing based on the timing deviation K2 between the PDCCH and the PUSCH and the target timing deviation 310, so that the network The device receives the PUSCH at a desired time (that is, time slot n+K2+310ms).
  • the terminal device may determine the target timing deviation information according to the first timing deviation information in combination with the relationship between the subcarrier interval currently used by the terminal device and the reference subcarrier interval. For example, a result of multiplying the first timing deviation information by a specific ratio is determined as the target timing deviation information, where the specific ratio is the ratio of the currently used subcarrier interval to the reference subcarrier interval.
  • the timing deviation is K_offset timeslots of 15KHz.
  • the network device can notify the terminal device or the reference subcarrier interval corresponding to the predefined timing offset K_offset to enable the terminal device to obtain accurate timing offset information according to the current working subcarrier interval.
  • the wireless communication method according to an embodiment of the present application is described in detail above in conjunction with FIG. 3 from the perspective of a terminal device, and the wireless communication method according to another embodiment of the present application is described in detail below in conjunction with FIG. 4 from the perspective of a network device. It should be understood that the description on the network device side corresponds to the description on the terminal device side, and similar descriptions can be referred to above. To avoid repetition, details are not repeated here.
  • FIG. 4 is a schematic flowchart of a wireless communication method 300 according to another embodiment of the present application.
  • the method 300 may be executed by a network device in the communication system shown in FIG. 1. As shown in FIG. 4, the method 300 includes The following content:
  • the network device sends a group public physical downlink control channel PDCCH to a terminal device, where the group public PDCCH includes timing deviation indication information, and the timing deviation indication information is used by the terminal device to determine target timing deviation information.
  • the timing deviation indication information includes at least one of the following: common timing deviation information for the group;
  • timing deviation adjustment amount is an adjustment amount relative to the first common timing deviation information of the group.
  • the first common timing offset information of the group is obtained from the PDCCH of the group, or obtained from system information.
  • the timing deviation indicated by the timing deviation indication information corresponds to a reference subcarrier interval.
  • the group of public PDCCH is scrambled by a private wireless network temporary identifier RNTI.
  • the dedicated RNTI is predefined or configured by network equipment.
  • the dedicated RNTI is an RNTI for a specific terminal group.
  • the network device sending the group public physical downlink control channel PDCCH to the terminal device includes:
  • the network device periodically sends the group of public PDCCHs.
  • the transmission period of the group of common PDCCHs and/or the time domain position within the transmission period are predefined or configured by the network device.
  • the target timing deviation information is used to compensate at least one of the following timing deviations:
  • the timing deviation of the CSI reference resource is the timing deviation of the CSI reference resource.
  • FIG. 5 is a schematic flowchart of a wireless communication method 400 according to still another embodiment of the present application.
  • the method 400 may be executed by the terminal device in the communication system shown in FIG. 1. As shown in FIG. 5, the method 400 includes The following content:
  • the terminal device receives timing deviation indication information, where the timing deviation indication information corresponds to a reference subcarrier interval;
  • the terminal device determines the target timing deviation information according to the timing deviation indication information and the subcarrier interval currently used by the terminal device.
  • the timing deviation indication information may be obtained through system information, or obtained from Group-common PDCCH, which is not limited in the embodiment of the present application.
  • the timing deviation indication information includes at least one of the following: common timing deviation information for the group;
  • timing deviation adjustment amount is an adjustment amount relative to the first common timing deviation information of the group.
  • the first common timing offset information of the group is obtained from the PDCCH of the group, or obtained from system information.
  • the terminal device determining the target timing deviation information according to the timing deviation indication information and the subcarrier interval currently used by the terminal device includes:
  • the terminal device determines the target timing offset information according to the first timing offset information and the relationship between the subcarrier interval currently used by the terminal device and the reference subcarrier interval.
  • determining the first timing deviation information by the terminal device according to the timing deviation indication information may refer to the related description of determining the target timing deviation information according to the timing deviation indication information in Embodiment 1 and Embodiment 2.
  • I won’t repeat it here.
  • the timing deviation indication information includes common timing deviation information for the group.
  • the terminal device may determine the common timing deviation information of the group as the first timing deviation information.
  • the timing deviation indication information includes a timing deviation adjustment amount, wherein the timing deviation adjustment amount is an adjustment amount relative to the first common timing deviation information of the group.
  • the terminal device The first timing deviation information may be determined according to the timing deviation adjustment amount and the first common timing deviation information of the group. For example, the terminal device may compare the timing deviation adjustment amount to the first common timing deviation information of the group. The sum of timing deviation information is determined as the first timing deviation information.
  • the terminal device determines the target timing offset according to the first timing offset information and the relationship between the subcarrier interval currently used by the terminal device and the reference subcarrier interval Information, including:
  • the terminal device determines a result of multiplying the first timing deviation information by a specific ratio as the target timing deviation information, where the specific ratio is the ratio of the currently used subcarrier interval to the reference subcarrier interval.
  • the reference subcarrier interval is predefined, configured by the network device, determined according to the subcarrier interval of the synchronization signal block SSB, determined according to the subcarrier interval of the system message, and determined according to the initial The sub-carrier spacing of the BWP in the downlink bandwidth part is determined.
  • the terminal device receiving timing deviation indication information includes:
  • the terminal device receives a group public physical downlink control channel PDCCH, and the group public PDCCH includes the timing deviation indication information.
  • the group of public PDCCH is scrambled by a private wireless network temporary identifier RNTI.
  • the dedicated RNTI is predefined or configured by network equipment.
  • the dedicated RNTI is an RNTI for a specific terminal group.
  • the terminal device receiving the group public physical downlink control channel PDCCH includes:
  • the terminal device periodically receives the group of common PDCCHs.
  • the transmission period of the group of public PDCCHs and/or the time domain position within the transmission period are predefined or configured by a network device.
  • the target timing deviation information is used to compensate for at least one of the following timing deviations:
  • the timing deviation of the CSI reference resource is the timing deviation of the CSI reference resource.
  • FIG. 6 shows a schematic block diagram of a terminal device 500 according to an embodiment of the present application.
  • the terminal device 500 includes:
  • the communication module 510 is configured to receive a group public physical downlink control channel PDCCH, where the group public PDCCH includes timing deviation indication information;
  • the determining module 520 is configured to determine target timing deviation information according to the timing deviation indication information.
  • the timing deviation indication information includes at least one of the following: common timing deviation information for the group;
  • timing deviation adjustment amount is an adjustment amount relative to the first common timing deviation information of the group.
  • the first common timing offset information of the group is obtained from the PDCCH of the group, or obtained from system information.
  • the timing deviation indication information includes common timing deviation information for the group, and the determining module 520 is specifically configured to:
  • the common timing deviation information of the group is determined as the target timing deviation information.
  • the timing deviation indication information includes the timing deviation adjustment amount
  • the determining module is specifically configured to:
  • the sum of the first common timing deviation information of the group and the timing deviation adjustment amount is determined as the target timing deviation information.
  • the determining module 520 is further configured to:
  • the determining module 520 is specifically configured to:
  • the first timing deviation information and the relationship between the subcarrier interval currently used by the terminal device and the reference subcarrier interval determine the target timing deviation information.
  • the determining module 520 is specifically configured to:
  • the result of multiplying the first timing deviation information by a specific ratio is determined as the target timing deviation information, where the specific ratio is the ratio of the currently used subcarrier interval to the reference subcarrier interval.
  • the reference subcarrier interval is predefined, configured by the network device, determined according to the subcarrier interval of the synchronization signal block SSB, determined according to the subcarrier interval of the system message, or Determined according to the sub-carrier spacing of the BWP of the initial downlink bandwidth.
  • the group of public PDCCH is scrambled by a private wireless network temporary identifier RNTI.
  • the dedicated RNTI is predefined or configured by network equipment.
  • the dedicated RNTI is an RNTI for a specific terminal group.
  • the communication module is specifically configured to periodically receive the group of public PDCCHs.
  • the transmission period of the group of public PDCCHs and/or the time domain position within the transmission period are predefined or configured by a network device.
  • the target timing deviation information is used to compensate for at least one of the following timing deviations:
  • the timing deviation of the CSI reference resource is the timing deviation of the CSI reference resource.
  • the aforementioned communication module may be a communication interface or a transceiver, or an input/output interface of a communication chip or a system-on-chip.
  • the aforementioned determining module may be one or more processors.
  • terminal device 500 may correspond to the terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 500 are to implement the method shown in FIG. 3, respectively.
  • the corresponding process of the terminal equipment in 200 will not be repeated here.
  • Fig. 7 is a schematic block diagram of a network device according to an embodiment of the present application.
  • the network device 600 of FIG. 7 includes:
  • the communication module 610 is configured to send a group public physical downlink control channel PDCCH to a terminal device, where the group public PDCCH includes timing deviation indication information, and the timing deviation indication information is used by the terminal device to determine target timing deviation information.
  • the timing deviation indication information includes at least one of the following:
  • timing deviation adjustment amount is an adjustment amount relative to the first common timing deviation information of the group.
  • the first common timing offset information of the group is obtained from the PDCCH of the group, or obtained from system information.
  • the timing deviation indicated by the timing deviation indication information corresponds to a reference subcarrier interval.
  • the group of public PDCCH is scrambled by a private wireless network temporary identifier RNTI.
  • the dedicated RNTI is predefined or configured by network equipment.
  • the dedicated RNTI is an RNTI for a specific terminal group.
  • the communication module is specifically configured to send the group public PDCCH periodically.
  • the transmission period of the group of common PDCCHs and/or the time domain position within the transmission period are predefined or configured by the network device.
  • the target timing deviation information is used to compensate for at least one of the following timing deviations:
  • the timing deviation of the CSI reference resource is the timing deviation of the CSI reference resource.
  • the above-mentioned communication module may be a communication interface or a transceiver, or an input/output interface of a communication chip or a system-on-chip.
  • the aforementioned determining module may be one or more processors.
  • the network device 600 may correspond to the network device in the method embodiment of the present application, and the foregoing and other operations and/or functions of each unit in the network device 600 are to implement the method shown in FIG. 4, respectively.
  • the corresponding process of the network equipment in 300 will not be repeated here.
  • FIG. 8 shows a schematic block diagram of a terminal device 1000 according to an embodiment of the present application.
  • the terminal device 1000 includes:
  • the communication module 1010 is configured to receive timing deviation indication information, where the timing deviation indication information corresponds to a reference subcarrier interval;
  • the determining module 1020 is configured to determine the target timing deviation information according to the timing deviation indication information and the subcarrier interval currently used by the terminal device.
  • the determining module 1020 is specifically configured to:
  • the target timing deviation information is determined according to the first timing deviation information and the relationship between the subcarrier spacing currently used by the terminal device and the reference subcarrier spacing.
  • the determining module 1020 is specifically configured to:
  • the result of multiplying the first timing deviation information by a specific ratio is determined as the target timing deviation information, wherein the specific ratio is the ratio of the currently used subcarrier interval to the reference subcarrier interval.
  • the reference subcarrier interval is predefined, configured by the network device, determined according to the subcarrier interval of the synchronization signal block SSB, determined according to the subcarrier interval of the system message, and determined according to the initial The sub-carrier spacing of the BWP in the downlink bandwidth part is determined.
  • the timing deviation indication information includes at least one of the following:
  • timing deviation adjustment amount is an adjustment amount relative to the first common timing deviation information of the group.
  • the first common timing offset information of the group is obtained from the PDCCH of the group, or obtained from system information.
  • the communication module 1010 is further configured to:
  • the group of public PDCCH is scrambled by a private wireless network temporary identifier RNTI.
  • the dedicated RNTI is predefined or configured by network equipment.
  • the dedicated RNTI is an RNTI for a specific terminal group.
  • the terminal equipment receiving the group public physical downlink control channel PDCCH includes:
  • the terminal device periodically receives the group of common PDCCHs.
  • the transmission period of the group of public PDCCHs and/or the time domain position within the transmission period are predefined or configured by a network device.
  • the target timing deviation information is used to compensate at least one of the following timing deviations:
  • the timing deviation of the CSI reference resource is the timing deviation of the CSI reference resource.
  • the above-mentioned communication module may be a communication interface or a transceiver, or an input/output interface of a communication chip or a system-on-chip.
  • the aforementioned determining module may be one or more processors.
  • terminal device 1000 may correspond to the terminal device in the method embodiment of the present application, and the above and other operations and/or functions of each unit in the terminal device 1000 are to implement the method shown in FIG. 5, respectively.
  • the corresponding process of the terminal equipment in 400 will not be repeated here.
  • FIG. 9 is a schematic structural diagram of a communication device 700 according to an embodiment of the present application.
  • the communication device 700 shown in FIG. 9 includes a processor 710, and the processor 710 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the communication device 700 may further include a memory 720.
  • the processor 710 may call and run a computer program from the memory 720 to implement the method 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 communication device 700 may further include a transceiver 730, and the processor 710 may control the transceiver 730 to communicate with other devices. Specifically, it may send information or data to other devices, or receive other devices. Information or data sent by the device.
  • the transceiver 730 may include a transmitter and a receiver.
  • the transceiver 730 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 700 may specifically be a network device of an embodiment of the application, and the communication device 700 may implement the corresponding process implemented by the network device in each method of the embodiment of the application. For the sake of brevity, it will not be repeated here. .
  • the communication device 700 may specifically be a mobile terminal/terminal device of an embodiment of the present application, and the communication device 700 may implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • I won’t repeat it here.
  • FIG. 10 is a schematic structural diagram of a chip of an embodiment of the present application.
  • the chip 800 shown in FIG. 10 includes a processor 810, and the processor 810 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 800 may further include a memory 820.
  • the processor 810 may call and run a computer program from the memory 820 to implement the method in the embodiment of the present application.
  • the memory 820 may be a separate device independent of the processor 810, or may be integrated in the processor 810.
  • the chip 800 may further include an input interface 830.
  • the processor 810 can control the input interface 830 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
  • the chip 800 may further include an output interface 840.
  • the processor 810 can control the output interface 840 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 process implemented by the network device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the chip mentioned in the embodiment of the present application may also be referred to as a system-level chip, a system-on-chip, a system-on-chip, or a system-on-chip, etc.
  • FIG. 11 is a schematic block diagram of a communication system 900 according to an embodiment of the present application. As shown in FIG. 11, the communication system 900 includes a terminal device 910 and a network device 920.
  • the terminal device 910 can be used to implement the corresponding function implemented by the terminal device in the above method
  • the network device 920 can be used to implement the corresponding function implemented by the network device in the above method. For brevity, it will not be repeated here. .
  • the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capability.
  • the steps of the foregoing method embodiments can be completed by hardware integrated logic circuits in the processor or instructions in the form of software.
  • the above-mentioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC application specific integrated circuit
  • FPGA Field Programmable Gate Array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application can be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiments of the present application may be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM random access memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • DDR SDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • Enhanced SDRAM, ESDRAM Enhanced Synchronous Dynamic Random Access Memory
  • Synchronous Link Dynamic Random Access Memory Synchronous Link Dynamic Random Access Memory
  • DR RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be static random access memory (static RAM, SRAM), 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 to say, the memory in the embodiments of the present application is intended to include, but is not limited to, these and any other suitable types of memory.
  • the embodiment of the present application also provides a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium can be applied to the network device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application , For the sake of brevity, I won’t repeat it here.
  • the embodiments of the present application also provide a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, For the sake of brevity, I will not repeat them here.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device in the embodiment of the present application.
  • the computer program runs on the computer, it causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • I won’t repeat it here.
  • the computer program can be applied to the mobile terminal/terminal device in the embodiment of the present application.
  • the computer program runs on the computer, the computer executes each method in the embodiment of the present application. For the sake of brevity, the corresponding process will not be repeated here.
  • the disclosed system, device, and method may be implemented in other ways.
  • the device embodiments described above are merely illustrative, for example, the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of the present application essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the method described in each embodiment of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory,) ROM, random access memory (Random Access Memory, RAM), magnetic disks or optical disks and other media that can store program codes. .

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Abstract

Procédé de communication sans fil, équipement terminal et dispositif de réseau. Ledit procédé comprend les étapes suivantes : un dispositif terminal reçoit un canal de commande de liaison descendante physique (PDCCH) de groupe commun, le PDCCH de groupe commun comprenant des informations d'indication d'écart de synchronisation ; et l'équipement terminal détermine des informations d'écart de synchronisation cible en fonction des informations d'indication d'écart de synchronisation.
PCT/CN2019/108396 2019-09-27 2019-09-27 Procédé de communication sans fil, équipement terminal et dispositif de réseau WO2021056383A1 (fr)

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CN201980094931.3A CN113632548B (zh) 2019-09-27 2019-09-27 无线通信的方法、终端设备和网络设备

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