WO2023050335A1 - Procédé de communication sans fil, dispositif terminal, et dispositif de réseau - Google Patents

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

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Publication number
WO2023050335A1
WO2023050335A1 PCT/CN2021/122226 CN2021122226W WO2023050335A1 WO 2023050335 A1 WO2023050335 A1 WO 2023050335A1 CN 2021122226 W CN2021122226 W CN 2021122226W WO 2023050335 A1 WO2023050335 A1 WO 2023050335A1
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WIPO (PCT)
Prior art keywords
offset value
transmission
rnti
physical
control channel
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PCT/CN2021/122226
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English (en)
Chinese (zh)
Inventor
吴作敏
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Oppo广东移动通信有限公司
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2021/122226 priority Critical patent/WO2023050335A1/fr
Priority to CN202180100970.7A priority patent/CN117751685A/zh
Publication of WO2023050335A1 publication Critical patent/WO2023050335A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/06—Airborne or Satellite Networks

Definitions

  • the embodiments of the present application relate to the communication field, and in particular to a wireless communication method, a terminal device, and a network device.
  • the terminal device transmits according to a certain timing relationship. For example, if the terminal device receives the first downlink transmission at time unit n, the first downlink transmission can be associated with the first uplink transmission at time unit n+K .
  • an offset parameter K offset is introduced in the NTN system, and the K offset parameter is applied to the relevant timing relationship.
  • the K offset can be indicated in multiple ways. In this case, which K offset the terminal device uses to calculate the timing of uplink transmission is an urgent problem to be solved.
  • This application provides a wireless communication method, terminal equipment and network equipment.
  • the terminal equipment determines the transmission timing of uplink transmission according to the target offset value, which is beneficial to ensure that the terminal equipment correctly determines the time unit of uplink transmission, and avoids network equipment and different states.
  • a wireless communication method including: a terminal device determines a transmission timing of a first uplink transmission according to a target offset value, where the target offset value is a first offset value or a second offset value.
  • a wireless communication method including: the network device determines the transmission timing of the first uplink transmission of the terminal device according to the target offset value, where the target offset value is the first offset value or the second Two offset values;
  • the network device receives the first uplink transmission according to the transmission timing of the first uplink transmission.
  • a terminal device configured to execute the method in the foregoing first aspect or various implementation manners thereof.
  • the terminal device includes a functional module for executing the method in the above first aspect or its various implementation manners.
  • a network device configured to execute the method in the foregoing second aspect or various implementation manners thereof.
  • the network device includes a functional module for executing the method in the above second aspect or each implementation manner thereof.
  • a terminal device including 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 first aspect or its various implementations.
  • a sixth aspect provides a network device, including 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 second aspect or its various implementations.
  • a chip is provided for implementing any one of the above first aspect to the second aspect or the method in each implementation manner thereof.
  • the chip includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the device executes any one of the above-mentioned first to second aspects or any of the implementations thereof. method.
  • a computer-readable storage medium for storing a computer program, and the computer program causes a computer to execute any one of the above-mentioned first to second aspects or the method in each implementation manner thereof.
  • a ninth aspect provides a computer program product, including computer program instructions, the computer program instructions cause a computer to execute any one of the above first to second aspects or the method in each implementation manner.
  • a computer program which, when running on a computer, causes the computer to execute any one of the above-mentioned first to second aspects or the method in each implementation manner.
  • the terminal device determines the transmission timing of uplink transmission according to the target offset value, which is beneficial to ensure that the terminal device correctly determines the time unit of uplink transmission, and avoids inconsistent understanding of the time unit of uplink transmission between network devices and terminal devices in different states question.
  • FIGS. 1A-1C are schematic diagrams of a communication system architecture provided by an embodiment of the present application.
  • Fig. 2 is a schematic diagram of a wireless communication method provided according to an embodiment of the present application.
  • Fig. 3 is a schematic diagram of a wireless communication method provided according to an embodiment of the present application.
  • Fig. 4 is a schematic block diagram of a terminal device provided according to an embodiment of the present application.
  • Fig. 5 is a schematic block diagram of a network device provided according to an embodiment of the present application.
  • Fig. 6 is a schematic block diagram of a communication device provided according to an embodiment of the present application.
  • Fig. 7 is a schematic block diagram of a chip provided according to an embodiment of the present application.
  • Fig. 8 is a schematic block diagram of a communication system provided according to an embodiment of the present application.
  • the technical solution of the embodiment of the present application can be applied to various communication systems, such as: Global System of Mobile communication (Global System of Mobile communication, GSM) system, code division multiple access (Code Division Multiple Access, CDMA) system, broadband code division multiple access (Wideband Code Division Multiple Access, WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, Advanced long term evolution (LTE-A) system , New Radio (NR) system, evolution system of NR system, LTE (LTE-based access to unlicensed spectrum, LTE-U) system on unlicensed spectrum, NR (NR-based access to unlicensed spectrum) on unlicensed spectrum unlicensed spectrum (NR-U) system, Non-Terrestrial Networks (NTN) system, Universal Mobile Telecommunications System (UMTS), Wireless Local Area Networks (WLAN), Wireless Fidelity (Wireless Fidelity, WiFi), fifth-generation communication (5th-Generation, 5G) system or other communication systems, etc.
  • GSM Global System of Mobile
  • D2D Device to Device
  • M2M Machine to Machine
  • MTC Machine Type Communication
  • V2V Vehicle to Vehicle
  • V2X Vehicle to everything
  • the communication system in the embodiment of the present application may be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, may also be applied to a dual connectivity (Dual Connectivity, DC) scenario, and may also be applied to an independent (Standalone, SA) network deployment scenario.
  • Carrier Aggregation, CA Carrier Aggregation
  • DC Dual Connectivity
  • SA independent network deployment scenario
  • the communication system in the embodiment of the present application can be applied to an unlicensed spectrum, wherein the unlicensed spectrum can also be considered as a shared spectrum; or, the communication system in the embodiment of the present application can also be applied to a licensed spectrum, wherein the licensed spectrum can also be Considered as unshared spectrum.
  • Non-Terrestrial Networks NTN
  • TN terrestrial communication network
  • the NTN system includes, but is not limited to, a New Radio NTN (NR-NTN) system and an Internet of Things NTN (IoT-NTN) system.
  • NR-NTN New Radio NTN
  • IoT-NTN Internet of Things NTN
  • the IoT-NTN system can include Narrow Band Internet of Things over NTN (NB-IoT-NTN) system and enhanced Machine Type Communication over NTN (eMTC) -NTN) system.
  • NB-IoT-NTN Narrow Band Internet of Things over NTN
  • eMTC Machine Type Communication over NTN
  • the embodiments of the present application describe various embodiments in conjunction with network equipment and terminal equipment, wherein the terminal equipment may also be referred to as user equipment (User Equipment, UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • user equipment User Equipment, UE
  • access terminal user unit
  • user station mobile station
  • mobile station mobile station
  • remote station remote terminal
  • mobile device user terminal
  • terminal wireless communication device
  • wireless communication device user agent or user device
  • the terminal device can be a station (STATION, ST) in the WLAN, and can be a cellular phone, a cordless phone, a Session Initiation Protocol (Session Initiation Protocol, SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication functions, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, next-generation communication systems such as terminal devices in NR networks, or future Terminal equipment in the evolved public land mobile network (Public Land Mobile Network, PLMN) network, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the terminal device can be deployed on land, including indoor or outdoor, handheld, wearable or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as aircraft, balloons and satellites) superior).
  • the terminal device may be a mobile phone (Mobile Phone), a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (Virtual Reality, VR) terminal device, 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.
  • a virtual reality (Virtual Reality, VR) terminal device 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.
  • the terminal equipment involved in the embodiments of the present application may also be referred to as terminal, user equipment (UE), access terminal equipment, vehicle-mounted terminal, industrial control terminal, UE unit, UE station, mobile station, mobile station, remote station , remote terminal equipment, mobile equipment, UE terminal equipment, wireless communication equipment, UE agent or UE device, etc.
  • Terminal equipment can also be fixed or mobile.
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices, which is a general term for the application of wearable technology to intelligently design daily wear and develop wearable devices, 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 devices are not only a hardware device, but also achieve powerful functions through software support, data interaction, and cloud interaction.
  • Generalized wearable smart devices include full-featured, large-sized, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, etc., and only focus on a certain type of application functions, and need to cooperate with other devices such as smart phones Use, such as various smart bracelets and smart jewelry for physical sign monitoring.
  • the network device may be a device for communicating with the mobile device, and the network device may be an access point (Access Point, AP) in WLAN, a base station (Base Transceiver Station, BTS) in GSM or CDMA , or a base station (NodeB, NB) in WCDMA, or an evolved base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or a vehicle-mounted device, a wearable device, and an NR network
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • Evolutional Node B, eNB or eNodeB evolved base station
  • LTE Long Term Evolutional Node B, eNB or eNodeB
  • gNB network equipment in the network or the network equipment in the future evolved PLMN network or the network equipment in the NTN network, etc.
  • 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 can be a low earth orbit (low earth orbit, LEO) satellite, a medium earth orbit (medium earth orbit, MEO) satellite, a geosynchronous earth orbit (geosynchronous earth orbit, GEO) satellite, a high elliptical orbit (High Elliptical Orbit, HEO) satellite. ) Satellite etc.
  • the network device may also be a base station installed on land, in water, and other locations.
  • the network device may provide services for a cell, and the terminal device communicates with the network device through the transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell, and the cell may be a network device ( For example, a cell corresponding to a base station), the cell may belong to a macro base station, or may belong to a base station corresponding to a small cell (Small cell), and the small cell here may include: a metro cell (Metro cell), a micro cell (Micro cell), a pico cell ( Pico 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.
  • the transmission resources for example, frequency domain resources, or spectrum resources
  • the cell may be a network device (
  • the cell may belong to a macro base station, or may belong to a base station corresponding to a small cell (Small cell)
  • the small cell here may include: a metro cell (Metro cell), a micro cell (Micro
  • FIG. 1A is a schematic structural diagram of a communication system provided by an embodiment of the present application.
  • a communication system 100 may include a network device 110, and the network device 110 may be a device for communicating with a terminal device 120 (or called a communication terminal, terminal).
  • the network device 110 can provide communication coverage for a specific geographical area, and can communicate with terminal devices located in the coverage area.
  • FIG. 1A exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include multiple network devices and each network device may include other numbers of terminals within the coverage area.
  • the device is not limited in the embodiment of this application.
  • FIG. 1B is a schematic structural diagram of another communication system provided by an embodiment of the present application.
  • a terminal device 1101 and a satellite 1102 are included, and wireless communication can be performed between the terminal device 1101 and the satellite 1102 .
  • the network formed between the terminal device 1101 and the satellite 1102 may also be referred to as NTN.
  • the satellite 1102 may function as a base station, and the terminal device 1101 and the satellite 1102 may communicate directly. Under the system architecture, the satellite 1102 can be referred to as a network device.
  • the communication system may include multiple network devices 1102, and the coverage of each network device 1102 may include other numbers of terminal devices, which is not limited in this embodiment of the present application.
  • FIG. 1C is a schematic structural diagram of another communication system provided by an embodiment of the present application.
  • it includes a terminal device 1201 , a satellite 1202 and a base station 1203 , wireless communication can be performed between the terminal device 1201 and the satellite 1202 , and communication can be performed between the satellite 1202 and the base station 1203 .
  • the network formed among the terminal equipment 1201, the satellite 1202 and the base station 1203 may also be referred to as NTN.
  • the satellite 1202 may not have the function of a base station, and the communication between the terminal device 1201 and the base station 1203 needs to be relayed through the satellite 1202 .
  • the base station 1203 may be called a network device.
  • the communication system may include multiple network devices 1203, and the coverage of each network device 1203 may include other numbers of terminal devices, which is not limited in this embodiment of the present application.
  • Fig. 1A-Fig. 1C are only illustrations of the systems to which this application is applicable.
  • the methods shown in the embodiments of this application can also be applied to other systems, for example, 5G communication systems, LTE communication systems, etc. , which is not specifically limited in this embodiment of the present application.
  • the wireless communication system shown in FIG. 1A-FIG. 1C 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, which are not limited in this embodiment of the present application.
  • MME Mobility Management Entity
  • AMF Access and Mobility Management Function
  • a device with a communication function in the network/system in the embodiment of the present application may be referred to as a communication device.
  • the communication equipment may include a network equipment 110 and a terminal equipment 120 with communication functions, and the network equipment 110 and the terminal equipment 120 may be the specific equipment 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 this embodiment of the present application.
  • the "indication" mentioned in the embodiments of the present application may be a direct indication, may also be an indirect indication, and may also mean that there is an association relationship.
  • a indicates B which can mean that A directly indicates B, for example, B can be obtained through A; it can also indicate that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it can also indicate that there is an association between A and B relation.
  • the term "corresponding" may indicate that there is a direct or indirect correspondence between the two, or that there is an association between the two, or that it indicates and is indicated, configuration and is configuration etc.
  • the indication information in this embodiment of the present application includes system messages, physical layer signaling (such as downlink control information (Downlink Control Information, DCI)), radio resource control (Radio Resource Control, RRC) signaling, and media access control unit (Media At least one of Access Control Control Element, MAC CE).
  • DCI Downlink Control Information
  • RRC Radio Resource Control
  • Media At least one of Access Control Control Element, MAC CE Media At least one of Access Control Control Element
  • the high-level parameters or high-level signaling in the embodiments of the present application include at least one of system messages, radio resource control (Radio Resource Control, RRC) signaling, and media access control elements (Media Access Control Control Element, MAC CE).
  • RRC Radio Resource Control
  • MAC CE Media Access Control Control Element
  • predefined can be realized by pre-saving corresponding codes, tables, or other methods that can be used to indicate relevant information in devices (for example, including terminal devices and network devices). Its specific implementation manner is not limited. For example, the predefined ones may refer to those defined in the protocol.
  • the "protocol” may refer to a standard protocol in the communication field, for example, it may include the LTE protocol, the NR protocol, and related protocols applied to future communication systems, which is not limited in the present application.
  • terminal devices can be based on search space, Radio Network Temporary Identity (RNTI) scrambling code and downlink control information (Downlink Control Information, DCI) ) format to monitor the Narrowband Physical Downlink Control Channel (NPDCCH) for uplink and downlink scheduling.
  • RNTI Radio Network Temporary Identity
  • DCI Downlink Control Information
  • the type of search space monitored by the terminal device may include at least one of the following:
  • Type 1 Narrowband Physical Downlink Control Channel (NPDCCH) common search space Type1-NPDCCH common search space, or Type1-NPDCCH CSS;
  • Type 1A NPDCCH common search space Type1A-NPDCCH common search space, or Type1A-NPDCCH CSS
  • Type 2 NPDCCH common search space Type2-NPDCCH common search space, or Type2-NPDCCH CSS
  • Type 2A NPDCCH common search space Type2A-NPDCCH common search space, or Type2A-NPDCCH CSS
  • NPDCCH user-specific search space NPDCCH UE-specific search space, or NPDCCH USS.
  • the RNTI monitored by the terminal device includes at least one of the following:
  • Single Cell Radio Network Temporary Identifier Single Cell Radio Network Temporary Identifier (Single Cell RNTI, SC-RNTI);
  • P-RNTI Paging Radio Network Temporary Identity
  • Random Access RNTI Random Access RNTI, RA-RNTI
  • Cell RNTI Cell RNTI, C-RNTI
  • Temporary Cell RNTI Temporary Cell RNTI, TC-RNTI
  • Group RNTI Group RNTI, G-RNTI
  • SPS Semi-Persistent Scheduling
  • the DCI format monitored by the terminal device includes at least one of the following:
  • DCI format N2 (DCI format N2), DCI format N1 (DCI format N1), DCI format N0 (DCI format N0).
  • the terminal device can also monitor the MTC Physical Downlink Control Channel (MPDCCH) based on the search space, RNTI scrambling code and DCI format for uplink and downlink scheduling.
  • MTC Physical Downlink Control Channel MPDCCH
  • the search space monitored by the terminal device may include at least one of the following:
  • Type 0 machine type communication physical downlink control channel MTC Physical Downlink Control Channel, MPDCCH
  • MPDCCH Physical Downlink Control Channel
  • Type0-MPDCCH common search space or Type0-MPDCCH CSS
  • Type 1 MPDCCH common search space (Type1-MPDCCH common search space, or Type1-MPDCCH CSS);
  • Type 1A MPDCCH common search space Type1A-MPDCCH common search space, or Type1A-MPDCCH CSS
  • Type 2 MPDCCH common search space (Type2-MPDCCH common search space, or Type2-MPDCCH CSS);
  • Type 2A MPDCCH common search space (Type2A-MPDCCH common search space, or Type2A-MPDCCH CSS);
  • MPDCCH user-specific search space MPDCCH UE-specific search space, or MPDCCH USS.
  • the RNTI monitored by the terminal device may include at least one of the following:
  • TC-RNTI C-RNTI
  • P-RNTI P-RNTI
  • SC-RNTI RA-RNTI
  • G-RNTI G-RNTI
  • SPS C-RNTI SPS C-RNTI
  • the DCI format monitored by the terminal device may include at least one of the following:
  • DCI format 6-0A DCI format 6-0B, DCI format 6-1A, DCI format 6-1B, DCI format 6-2, DCI format 3, DCI format 3A.
  • the terminal device can be configured as Coverage Enhancement Mode A (Coverage Enhancement ModeA, CEmodeA) or Coverage Enhancement Mode B (Coverage Enhancement ModeB, CEmodeB). If the terminal device is configured as CEmodeB, the terminal device does not need to monitor Type1 -MPDCCH CSS.
  • the terminal device In the eMTC system, if the terminal device is configured as CEmodeA, the terminal device needs to monitor DCI format 6-1A or DCI format 6-0A. If the terminal device is configured as CEmodeB, the terminal device needs to monitor DCI format 6-1B or DCI format 6-0B.
  • the corresponding relationship between the search space type monitored by the terminal device, the RNTI scrambling code and the DCI format is shown in Table 2-A and Table 2-B.
  • the terminal device transmits according to a certain timing relationship.
  • the first downlink channel or signal received by the terminal device on time unit n corresponds to the first uplink channel or signal on time unit n+k. Signal.
  • the terminal device receives the first physical downlink shared channel in time unit n, and the Hybrid Automatic Repeat request Acknowledgment (HARQ-ACK) information corresponding to the first physical downlink shared channel passes through the time unit The first uplink channel transmission on n+k.
  • HARQ-ACK Hybrid Automatic Repeat request Acknowledgment
  • the terminal device receives the first physical downlink control channel at time unit n, and the first physical uplink shared channel scheduled by the first physical downlink control channel is transmitted through time unit n+k.
  • the scheduling in the NB-IoT or eMTC system also includes: random access response (Random Access Response, RAR) scheduled physical uplink shared channel transmission, physical downlink control channel triggered physical random access channel transmission and other transmission timing, No more details here.
  • RAR Random Access Response
  • the offset parameter Koffset is introduced in the NTN system, and this parameter is applied to the relevant timing relationship.
  • the first downlink channel or signal received by the terminal device at time unit n corresponds to the first uplink channel or signal at time unit n+k+Koffset.
  • the above transmission timing is taken as an example for description.
  • the terminal device receives the first physical downlink shared channel at time unit n, and the HARQ-ACK information corresponding to the first physical downlink shared channel is transmitted through the first uplink channel at time unit n+k+Koffset.
  • the terminal device receives the first physical downlink control channel at time unit n, and the first physical uplink shared channel scheduled by the first physical downlink control channel is transmitted through time unit n+k+Koffset.
  • the K offset can be indicated in multiple ways. In this case, which K offset the UE uses to calculate the timing of uplink transmission is an urgent problem to be solved.
  • FIG. 3 is a schematic interaction diagram of a wireless communication method 200 according to an embodiment of the present application. As shown in FIG. 3 , the method 200 includes at least part of the following content:
  • the terminal device determines a transmission timing of the first uplink transmission according to a target offset value, where the target offset value is a first offset value or a second offset value.
  • the terminal device may perform the first uplink transmission according to the transmission timing of the first uplink transmission.
  • the embodiments of the present application can be applied to the NTN system, for example, the NTN system based on the NB-IoT system, that is, the NB-IoT-NTN system, or the NTN system based on the eMTC system, that is, the eMTC-NTN system, or It is applied to other scenarios where there are various offset values, and the present application is not limited thereto.
  • the terminal device determines the transmission timing of the first uplink transmission according to the target offset value, including:
  • the terminal device determines the time domain position of the first uplink transmission according to the target offset value, or, the terminal device determines the time unit corresponding to the first uplink transmission according to the target offset value.
  • the first offset value is called a common (Common) offset value. For example, if the first offset value is common to the cell, then the first offset value is applicable to all terminal devices in the cell.
  • the first offset value is called a group common offset value. For example, if the first offset value is common to the group, the first offset value is applicable to a group of terminal devices in the cell.
  • the second offset value is also called a user-specific (UE-specific) offset value, for example, the second offset value may be specific to a UE or a UE group, and the second offset value may be applicable For a specific UE, or a specific UE group.
  • UE-specific user-specific
  • the first offset value is acquired by the terminal device through public signaling.
  • the second offset value is acquired by the terminal device through dedicated signaling.
  • the first offset value is obtained earlier than the second offset value.
  • the first offset value is obtained by the terminal device through public signaling, including:
  • the first offset value is obtained by the terminal device through system messages and/or public radio resource control (Radio Resource Control, RRC) signaling.
  • RRC Radio Resource Control
  • the system messages include NTN dedicated system messages.
  • the first offset value is acquired through a system message, and the system message includes one or more offset values.
  • the first offset value is acquired through public RRC signaling, where the public RRC signaling includes one or more offset values.
  • the second offset value is obtained by the terminal device through dedicated signaling, including:
  • the second offset value is obtained by the terminal device through dedicated RRC signaling and/or Media Access Control Control Element (Media Access Control Control Element, MAC CE).
  • Media Access Control Element Media Access Control Element, MAC CE
  • the second offset value is obtained through dedicated RRC signaling, and the dedicated RRC signaling includes one or more offset values.
  • the second offset value is obtained through dedicated RRC signaling and MAC CE
  • the dedicated RRC signaling includes multiple offset values
  • the second offset value is obtained by the MAC CE from the dedicated RRC The offset value indicated in the multiple offset values of the signaling configuration.
  • S210 may include:
  • the transmission timing of the first uplink transmission is determined according to the time unit of the first downlink transmission and the target offset value, where the first downlink transmission is associated with the first uplink transmission.
  • the first uplink transmission may include any uplink information, uplink message, physical uplink signal or physical uplink channel.
  • the physical uplink signal may include but not limited to a sounding reference signal (Sounding reference signal, SRS) and the like.
  • SRS sounding reference signal
  • the physical uplink channel may include, but not limited to, a physical random access channel (Physical Random Access Channel, PRACH), a physical uplink control channel (Physical Uplink Control channel, PUCCH), a physical uplink shared channel (Physical Uplink Shared channel, PUSCH) )wait.
  • PRACH Physical Random Access Channel
  • PUCCH Physical Uplink Control channel
  • PUSCH Physical Uplink Shared channel
  • the uplink message may include but not limited to an uplink message in a random access process, such as message 3 (Msg3) in a random access process.
  • Msg3 may be transmitted through PUSCH.
  • the first downlink transmission may include any downlink information, downlink message, physical downlink signal or physical downlink channel.
  • the physical downlink signal may include but not limited to a channel state information reference signal (Channel state information reference signal, CSI-RS) and the like.
  • CSI-RS channel state information reference signal
  • the physical downlink channel may include but not limited to a physical downlink control channel (Physical Downlink Control Channel, PDCCH), a physical downlink shared channel (Physical Downlink Shared Channel, PDSCH), a physical broadcast channel (Physical Broadcast Channel, PBCH), etc.
  • PDCCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Shared Channel
  • PBCH Physical Broadcast Channel
  • the downlink message may include but not limited to a downlink message in a random access process, such as a Random Access Response (Random Access Response, RAR), and the RAR may include but not limited to a RAR in a four-step random access process ( Or MAC RAR).
  • RAR Random Access Response
  • MAC RAR MAC Random Access Response
  • the downlink information may include but not limited to downlink control information (Downlink Control Information, DCI), such as downlink grant (Downlink grant, DL grant) DCI, such as DCI for scheduling PDSCH, or, uplink grant (Uplink grant, UL grant) DCI, for example, DCI for scheduling PUSCH.
  • DCI Downlink Control Information
  • DCI downlink grant
  • DL grant downlink grant
  • Uplink grant Uplink grant, UL grant
  • the physical random access channel may refer to a narrowband physical random access channel (Narrowband Physical Random Access Channel, NPRACH), and the physical uplink shared channel may refer to a narrowband physical uplink shared channel.
  • Channel Narrowband Physical Uplink Shared channel, NPUSCH
  • the physical downlink control channel can refer to the narrowband physical downlink control channel (Narrowband Physical Downlink Control Channel, NPDCCH)
  • the physical downlink shared channel can refer to the narrowband physical downlink control channel (Narrowband Physical Downlink Shared Channel, NPDSCH)
  • the physical broadcast channel may refer to a narrowband physical broadcast channel (Narrowband Physical Broadcast Channel, NPBCH).
  • NPBCH narrowband Physical Broadcast Channel
  • the physical downlink control channel may refer to an MTC physical downlink control channel (MTC Physical Downlink Control Channel, MPDCCH).
  • MTC Physical Downlink Control Channel MPDCCH
  • association between the first downlink transmission and the first uplink transmission may include but not limited to:
  • the first uplink transmission is scheduled or activated for the first downlink transmission
  • the first downlink transmission is used to trigger the first uplink transmission
  • the first uplink transmission is used to transmit feedback information corresponding to the first downlink transmission.
  • the determining the transmission timing of the first uplink transmission according to the time unit of the first downlink transmission and the target offset value includes:
  • the transmission timing of the first uplink transmission is determined according to the time unit of the first downlink transmission, the basic offset value and the target offset value.
  • the basic offset value may refer to the number of time units, and the number of time units may be the number of time units offset relative to the time unit of the first downlink transmission.
  • the basic offset value is obtained according to instruction information of the network device; or, the basic offset value is predefined.
  • the acquisition manner of the basic offset value is the same as the acquisition manner of the uplink transmission timing in the prior art.
  • determining the transmission timing of the first uplink transmission may refer to determining a time unit of the first uplink transmission, that is, on which time unit the first uplink transmission starts.
  • the transmission timing of the first uplink transmission may be time unit n+k+K offset , that is, start at time unit n+k+K offset Perform the first uplink transmission, where k represents a base offset value, and K offset represents a target offset value.
  • the terminal device should send the corresponding HARQ-ACK information through the first uplink transmission at time unit n+k+K offset .
  • the first downlink transmission is the PDSCH or the PDCCH indicating the release of the SPS PDSCH
  • the basic offset value is k
  • the target offset value is K offset .
  • time unit in this embodiment of the present application may be one or more time slots, one or more symbols, or one or more subframes, etc., but the present application is not limited thereto.
  • the configuration phases of the first offset value and the second offset value are different, therefore, the target offset value can be determined according to the current phase (or state) of the terminal device, for example , the terminal device is in an idle (Idle) state, or, during the initial access phase, determine the target offset value as the first offset value, and after the terminal device enters the connected state, determine the target offset value as the second offset value.
  • the terminal device may determine the target offset value according to the associated information of the first uplink transmission or the associated information of the first downlink transmission, where the first downlink transmission is associated with the first uplink transmission.
  • the terminal device may also determine the target offset value according to the associated information of the first uplink transmission or the associated information of the first downlink transmission.
  • the associated information of the first downlink transmission may include but not limited to:
  • the search space (Search Space) type associated with the first downlink transmission and the Radio Network Temporary Identity (RNTI) associated with the first downlink transmission.
  • RNTI Radio Network Temporary Identity
  • the associated information of the first uplink transmission may include but not limited to:
  • the associated information of the first downlink transmission can also be regarded as the associated information of the first uplink transmission.
  • the target offset value is determined according to first information, where the first information includes but is not limited to at least one of the following:
  • the first downlink transmission and the first uplink transmission have an association relationship.
  • the RNTI associated with the first downlink transmission may refer to the RNTI for scrambling the first downlink transmission, or may refer to the RNTI for scrambling the second downlink transmission, where the first The second downlink transmission is used to schedule the first downlink transmission.
  • the second downlink transmission is a PDCCH
  • the first downlink transmission is a PDSCH scheduled by the PDCCH.
  • the search space type associated with the first downlink transmission may refer to the search space type corresponding to the second downlink transmission, that is, the search space type used by the second downlink transmission, in other words, the scheduling of the first downlink transmission
  • the search space type associated with the first downlink transmission may also refer to: the search space type used for the first downlink transmission.
  • the RNTI associated with the first downlink transmission includes but is not limited to at least one of the following:
  • SC-RNTI P-RNTI, RA-RNTI, C-RNTI, TC-RNTI, G-RNTI, SPS C-RNTI.
  • the RNTI associated with the first downlink transmission includes but is not limited to at least one of the following: TC-RNTI, C-RNTI, P-RNTI, SC-RNTI, RA-RNTI, G-RNTI, SPS C-RNTI.
  • the search space type associated with the first downlink transmission may include but not limited to at least one of the following: NPDCCH common search space and NPDCCH user-specific search space (ie NPDCCH USS).
  • the NPDCCH common search space may include but not limited to at least one of the following types:
  • Type1-NPDCCH CSS Type1A-NPDCCH CSS, Type2-NPDCCH CSS, Type2A-NPDCCH CSS.
  • the search space type associated with the first downlink transmission may include but not limited to at least one of the following: MPDCCH common search space and MPDCCH user-specific search space (ie, MPDCCH USS).
  • the MPDCCH common search space may include but not limited to at least one of the following types:
  • Type0-MPDCCH CSS Type1-MPDCCH CSS, Type1A-MPDCCH CSS, Type2-MPDCCH CSS, Type2A-MPDCCH CSS.
  • the RNTI associated with the first uplink transmission may refer to the RNTI for scrambling the first uplink transmission, or may refer to the RNTI for scrambling the first downlink transmission associated with the first uplink transmission , where the first downlink transmission is used to schedule the first uplink transmission.
  • the target offset value when the first downlink transmission is associated with a common search space, the target offset value is the first offset value; or, when the first downlink transmission is associated with a user-specific search space, The target offset value is the second offset value.
  • the target offset value when the first downlink transmission is associated with the NPDCCH common search space, the target offset value is the first offset value; when the first downlink transmission is associated with the NPDCCH user-specific search space, the target offset value is is the second offset value.
  • the target offset value when the first downlink transmission is associated with the MPDCCH common search space, the target offset value is the first offset value; when the first downlink transmission is associated with the MPDCCH user-specific search space, the target offset value is Second offset value.
  • the target offset value when the first downlink transmission is associated with a common search space, is the first offset value; or, when the first downlink transmission is not associated with a common search space, The target offset value is the second offset value.
  • the target offset value when the first downlink transmission is associated with the NPDCCH common search space, the target offset value is the first offset value; when the first downlink transmission is not associated with the NPDCCH common search space, the target offset value is is the second offset value.
  • the target offset value when the first downlink transmission is associated with the MPDCCH common search space, the target offset value is the first offset value; when the first downlink transmission is not associated with the MPDCCH common search space, the target offset value is Second offset value.
  • the target offset value when the first downlink transmission is associated with a user-specific search space, the target offset value is the second offset value; or, when the first downlink transmission is not associated with a user-specific search space , the target offset value is the first offset value.
  • the target offset value when the first downlink transmission is associated with the NPDCCH user-specific search space, the target offset value is the second offset value; when the first downlink transmission is not associated with the NPDCCH user-specific search space, the target offset value is The offset value is a first offset value.
  • the target offset value is the second offset value; when the first downlink transmission is not associated with the MPDCCH user-specific search space, the target offset is The value is the first offset value.
  • the NPDCCH common search space in the embodiment of the present application includes Type2-NPDCCH CSS and/or Type2A-NPDCCH CSS
  • the MPDCCH common search space includes Type0-MPDCCH CSS, Type2-MPDCCH CSS and Type2A-MPDCCH At least one of CSS.
  • the first offset value is configured on the terminal device.
  • Embodiment 1 The target offset value is determined according to whether the second offset value is configured on the terminal device.
  • Embodiment 1 can be applied to any communication system, for example, NB-IoT system and eMTC system.
  • Embodiment 1-1 If the second offset value is not configured on the terminal device, the target offset value is the first offset value.
  • the second offset value is not configured on the terminal device, it usually means that the terminal device is still in the idle state, or has not entered the connected state. In this case, the behavior of the terminal device is usually to receive system information, initiate random access, etc., so The transmission timing of the first uplink transmission may be calculated based on the first offset value.
  • the first downlink transmission is associated with a common search space.
  • the control information for scheduling the first downlink transmission is transmitted through the CSS; or the first downlink transmission is transmitted through the CSS.
  • the first downlink transmission is associated with the NPDCCH common search space.
  • the first downlink transmission is associated with the MPDCCH common search space.
  • Embodiment 1-2 If the second offset value is configured on the terminal device, the target offset value is the second offset value.
  • the second offset value is configured on the terminal device, indicating that the terminal device enters the connection state, and the terminal device can perform data transmission with the network device, that is, the terminal device can perform user-specific behaviors.
  • the second offset value can be used for the second offset value.
  • the first downlink transmission is associated with the NPDCCH user-specific search space.
  • the first downlink transmission is associated with the MPDCCH user-specific search space.
  • the first downlink transmission may be NPDSCH
  • the first uplink transmission may be a physical uplink channel carrying feedback information corresponding to the NPDSCH, wherein the NPDSCH It is scheduled by the NPDCCH carrying the downlink grant DCI scrambled by TC-RNTI or C-RNTI or G-RNTI.
  • the first uplink transmission may be an NPUSCH carrying HARQ-ACK information corresponding to the NPDSCH.
  • the first downlink transmission may include the RAR associated with the RA-RNTI, and the first uplink transmission is the NPUSCH scheduled by the RAR.
  • the first downlink transmission may be NPDCCH
  • the first uplink transmission may be the NPUSCH scheduled by the NPDCCH
  • the NPDCCH is TC-RNTI or C-RNTI
  • the scrambled NPDCCH carrying the uplink grant DCI.
  • the first downlink transmission is NPDCCH
  • the first uplink transmission may be the NPRACH indicated by the NPDCCH
  • the NPDCCH is used for C-RNTI scrambling NPDCCH order to trigger NPRACH transmission.
  • the first downlink transmission may be a PDSCH
  • the first uplink transmission may be a physical uplink channel carrying feedback information corresponding to the PDSCH
  • the PDSCH is The TC-RNTI, C-RNTI, or G-RNTI scrambled MPDCCH that carries the downlink grant DCI is scheduled.
  • the first uplink transmission may be a PUSCH or PUCCH carrying HARQ-ACK information corresponding to the PDSCH.
  • the first downlink transmission includes the RAR associated with the RA-RNTI, and the first uplink transmission is the PUSCH scheduled by the RAR.
  • the first downlink transmission is MPDCCH
  • the first uplink transmission is the PDSCH scheduled by the MPDCCH
  • the MPDCCH is TC-RNTI or C-RNTI or SPS C-RNTI scrambled MPDCCH carrying uplink grant DCI.
  • the first downlink transmission is MPDCCH
  • the first uplink transmission is the PRACH indicated by the MPDCCH
  • the MPDCCH is C-RNTI scrambled to trigger PRACH transmission
  • the MPDCCH order (order) is the MPDCCH order (order).
  • the DCI format corresponding to the downlink authorized DCI is DCI format N1
  • the DCI format corresponding to the uplink authorized DCI is DCI format N0, which is used to trigger the DCI transmitted by the physical random access channel (such as NPRACH)
  • the corresponding DCI format is DCI format N1.
  • the DCI format corresponding to the downlink authorized DCI is DCI format 6-1A
  • the DCI format corresponding to the uplink authorized DCI is DCI format 6-0A
  • triggering physical random access The DCI format corresponding to the DCI transmitted by the channel is DCI format 6-1A
  • the terminal device corresponds to CEmodeB the DCI format corresponding to the downlink authorized DCI is DCI format 6-1B
  • the DCI format corresponding to the uplink authorized DCI is DCI format 6-0B.
  • the DCI format corresponding to the DCI that triggers the transmission of the physical random access channel is DCI format 6-1B.
  • Embodiment 2 The target offset value is determined according to the RNTI associated with the first downlink transmission and/or the search space type associated with the first downlink transmission.
  • the target offset is determined accordingly value, which is helpful for the terminal device to correctly determine the time unit of the first uplink transmission, and avoids the problem of inconsistent understanding of the time unit of the uplink transmission between the network device and the terminal devices in different states.
  • the target offset value is the first offset value.
  • the target offset value is the first offset value.
  • the first downlink transmission is a physical downlink shared channel
  • the first uplink transmission is a physical uplink channel carrying feedback information corresponding to the physical downlink shared channel
  • the physical downlink shared channel is a TC-RNTI or C - Scheduling of the physical downlink control channel carrying the downlink grant DCI of the RNTI scrambling code.
  • the first downlink transmission includes a RAR associated with the RA-RNTI, and the first uplink transmission is a physical uplink shared channel scheduled by the RAR.
  • the first downlink transmission includes the RAR associated with the RA-RNTI, which may refer to: the first downlink transmission (that is, the physical downlink shared channel) is scheduled by the second downlink transmission (that is, the physical downlink control channel), where the The second downlink transmission (that is, the physical downlink control channel) is scrambled by the RA-RNTI, and the first downlink transmission (that is, the physical downlink shared channel scheduled by the physical downlink control channel scrambled by the RA-RNTI) includes the RAR.
  • the RAR associated with the RA-RNTI
  • the first downlink transmission is a physical downlink control channel
  • the first uplink transmission is a physical uplink shared channel scheduled by the physical downlink control channel
  • the physical downlink control channel is TC-RNTI or C-RNTI Coded physical downlink control channel carrying uplink grant DCI.
  • the first downlink transmission is a physical downlink control channel
  • the first uplink transmission is a physical random access channel indicated by the physical downlink control channel
  • the physical downlink control channel is a C-RNTI scrambling code
  • the physical downlink control channel command used to trigger the transmission of the physical random access channel.
  • the first downlink transmission is a physical downlink shared channel
  • the first uplink transmission is a physical uplink channel carrying feedback information corresponding to the physical downlink shared channel, wherein the physical downlink shared channel It is scheduled by the physical downlink control channel carrying the downlink grant DCI scrambled by the G-RNTI.
  • Embodiment 2-1 when the first downlink transmission is associated with TC-RNTI or RA-RNTI, the target offset value is the first offset value;
  • the target offset value is the first offset value.
  • This embodiment 2-1 can be applied to the NB-IoT system.
  • the first downlink transmission associated NPDCCH common search space includes:
  • the first downlink transmission associated type 2 NPDCCH common search space that is, Type2-NPDCCH CSS; and/or,
  • the first downlink transmission is associated with a Type 2A NPDCCH common search space, that is, Type2A-NPDCCH CSS.
  • the association relationship between the first downlink transmission and the first uplink transmission includes at least one of the following situations:
  • the first downlink transmission is a first physical downlink shared channel
  • the first uplink transmission is a physical uplink channel carrying feedback information corresponding to the first physical downlink shared channel, wherein the first physical downlink shared channel
  • the channel is scheduled by a physical downlink control channel carrying downlink grant DCI scrambled by TC-RNTI or C-RNTI.
  • the first physical downlink shared channel may also be scheduled by a G-RNTI scrambled physical downlink control channel carrying a downlink grant DCI.
  • the first physical downlink shared channel may be the first NPDSCH
  • the first uplink transmission may be the NPUSCH carrying HARQ-ACK information corresponding to the first NPDSCH.
  • the downlink grant DCI carried in the physical downlink control channel (such as NPDCCH) that schedules the first NPDSCH corresponds to DCI format N1, that is, the first NPDSCH is scheduled by DCI format N1.
  • the first NPDSCH is associated with a Type2-NPDCCH CSS.
  • the physical downlink control channel for scheduling the first NPDSCH is transmitted through the Type2-NPDCCH CSS.
  • the first downlink transmission includes the RAR associated with the RA-RNTI, and the first uplink transmission is a physical uplink shared channel scheduled by the RAR.
  • the first downlink transmission includes the RAR associated with the RA-RNTI, which may refer to:
  • the first downlink transmission includes MAC RAR, wherein the MAC RAR is associated with the RA-RNTI, or in other words, the physical downlink shared channel carrying the MAC RAR is scheduled through the physical downlink control channel scrambled by the RA-RNTI.
  • the RA-RNTI scrambled physical downlink control channel is transmitted through the Type2-NPDCCH CSS.
  • the first uplink transmission may be NPUSCH scheduled by MAC RAR.
  • the first downlink transmission is a first physical downlink control channel
  • the first uplink transmission is a physical uplink shared channel scheduled by the first physical downlink control channel
  • the first physical downlink control channel is a TC - RNTI or C-RNTI scrambled physical downlink control channel carrying uplink authorization DCI.
  • the first physical downlink control channel may be the first NPDCCH
  • the first uplink transmission may be the NPDSCH scheduled by the first NPDCCH.
  • the uplink grant DCI carried by the first NPDCCH corresponds to DCI format N0, and the first uplink transmission is scheduled by DCI format N0.
  • the first NPDCCH is associated with a Type2-NPDCCH CSS.
  • the first NPDCCH is transmitted through the Type2-NPDCCH CSS.
  • the first downlink transmission is a second physical downlink control channel
  • the first uplink transmission is a physical random access channel indicated by the second physical downlink control channel
  • the second physical downlink control channel is The C-RNTI scrambled physical downlink control channel command is used to trigger the transmission of the physical random access channel.
  • the second physical downlink control channel may be the second NPDCCH
  • the second NPDCCH is the NPDCCH order scrambled by the C-RNTI and used to trigger NPRACH transmission
  • the first uplink transmission may be the NPRACH indicated by the second NPDCCH.
  • the DCI used to trigger NPRACH transmission in the second NPDCCH corresponds to DCI format N1, that is, NPRACH is triggered by DCI format N1.
  • Embodiment 2-2 When the first downlink transmission is associated with TC-RNTI or RA-RNTI, the target offset value is the first offset value;
  • the target offset value is the first offset value.
  • This embodiment 2-2 can be applied to the eMTC system.
  • the MPDCCH common search space associated with the first downlink transmission includes at least one of the following:
  • the first downlink transmission associated type 0 MPDCCH public search space namely Type0-MPDCCH CSS
  • the first downlink transmission associated type 2 MPDCCH common search space namely Type2-MPDCCH CSS
  • the first downlink transmission is associated with a Type 2A MPDCCH common search space, that is, Type2A-MPDCCH CSS.
  • the DCI format corresponding to the downlink authorized DCI is DCI format 6-1A
  • the DCI format corresponding to the uplink authorized DCI is DCI format 6-0A, triggering the physical random access channel transmission
  • the DCI format corresponding to DCI is DCI format 6-1A;
  • the DCI format corresponding to the downlink authorization DCI is DCI format 6-1B
  • the DCI format corresponding to the uplink authorization DCI is DCI format 6-0B
  • the DCI format corresponding to the DCI that triggers physical random access channel transmission is DCI Form 6-1B.
  • the association relationship between the first downlink transmission and the first uplink transmission includes at least one of the following situations:
  • the first downlink transmission is a third physical downlink shared channel
  • the first uplink transmission is a physical uplink channel carrying feedback information corresponding to the third physical downlink shared channel, wherein the third physical downlink shared channel
  • the channel is scheduled by a physical downlink control channel carrying downlink grant DCI scrambled by TC-RNTI or C-RNTI.
  • the third physical downlink shared channel may also be scheduled by a G-RNTI scrambled physical downlink control channel carrying a downlink grant DCI.
  • the third physical downlink shared channel may be a third PDSCH
  • the first uplink transmission may be a PUCCH or PUSCH carrying HARQ-ACK information corresponding to the third PDSCH.
  • the downlink grant DCI carried by the physical downlink control channel (such as MPDCCH) that schedules the third PDSCH corresponds to DCI format 6-1A, that is, the third PDSCH is scheduled by DCI format 6-1A .
  • the downlink authorization DCI carried by the physical downlink control channel (such as MPDCCH) that schedules the third PDSCH corresponds to DCI format 6-1B, that is, the third PDSCH is scheduled by DCI format 6-1B .
  • the third PDSCH is associated with at least one of Type0-MPDCCH CSS, Type2-MPDCCH CSS and Type2A-MPDCCH CSS.
  • the physical downlink control channel for scheduling the third PDSCH is transmitted through the Type2-MPDCCH CSS.
  • the first downlink transmission includes the RAR associated with the RA-RNTI, and the first uplink transmission is a physical uplink shared channel scheduled by the RAR.
  • the first downlink transmission includes the RAR associated with the RA-RNTI, which may refer to:
  • the first downlink transmission includes MAC RAR, wherein the MAC RAR is associated with the RA-RNTI, or in other words, the physical downlink shared channel carrying the MAC RAR is scheduled through the physical downlink control channel scrambled by the RA-RNTI.
  • the RA-RNTI scrambled physical downlink control channel is transmitted through Type2-MPDCCH CSS.
  • the first uplink transmission may be the PUSCH scheduled by the MAC RAR.
  • the first downlink transmission is the fifth physical downlink control channel
  • the first uplink transmission is a physical uplink shared channel scheduled by the fifth physical downlink control channel
  • the fifth physical downlink control channel is a TC - RNTI or C-RNTI or SPS C-RNTI scrambled physical downlink control channel carrying uplink authorization DCI.
  • the fifth physical downlink control channel may be the fifth MPDCCH
  • the first uplink transmission may be the PDSCH scheduled by the fifth MPDCCH.
  • the uplink grant DCI carried by the fifth MPDCCH corresponds to DCI format 6-0A, that is, the first uplink transmission is scheduled by DCI format 6-0A.
  • the uplink grant DCI carried by the fifth MPDCCH corresponds to DCI format 6-0B, that is, the first uplink transmission is scheduled by DCI format 6-0B.
  • the fifth MPDCCH is associated with Type2-MPDCCH CSS or Type0-MPDCCH CSS.
  • the fifth NPDCCH is transmitted through Type2-MPDCCH CSS or Type0-MPDCCH CSS.
  • the first downlink transmission is a sixth physical downlink control channel
  • the first uplink transmission is a physical random access channel indicated by the sixth physical downlink control channel
  • the sixth physical downlink control channel is The C-RNTI scrambled physical downlink control channel command is used to trigger the transmission of the physical random access channel.
  • the sixth physical downlink control channel may be the sixth MPDCCH
  • the sixth MPDCCH is the MPDCCH order scrambled by the C-RNTI to trigger PRACH transmission
  • the first uplink transmission may be the PRACH indicated by the sixth MPDCCH.
  • the DCI carried by the sixth MPDCCH for triggering PRACH transmission corresponds to DCI format 6-1A.
  • the DCI carried by the sixth MPDCCH for triggering PRACH transmission corresponds to DCI format 6-1B.
  • the sixth MPDCCH is associated with Type0-MPDCCH CSS.
  • the sixth MPDCCH is transmitted through the Type0-MPDCCH CSS.
  • the first downlink transmission is a physical downlink control channel carrying an SRS request (SRS request), and the first uplink transmission includes the SRS transmission indicated by the physical downlink control channel.
  • SRS request SRS request
  • the DCI in the physical downlink control channel carrying the SRS request corresponds to DCI format 6-0A or DCI format 6-1A.
  • the terminal device corresponds to CEmodeA.
  • the MPDCCH carrying the SRS request is associated with Type2-MPDCCH CSS or Type0-MPDCCH CSS.
  • Embodiment 3 the target offset value is determined for the user-specific search space according to the search space type associated with the first downlink transmission.
  • the search space type associated with the first downlink transmission can reflect the stage of the uplink transmission to be performed by the terminal device, or the state of the terminal device, or the service corresponding to the first uplink transmission, it is beneficial to determine the target offset value accordingly
  • the terminal device correctly determines the time unit of the first uplink transmission, avoiding the problem of inconsistent understanding of the time unit of the uplink transmission by the network device and terminal devices in different states.
  • the target offset value is the second offset value.
  • the target offset value is the first offset value.
  • the first downlink transmission is a physical downlink shared channel
  • the first uplink transmission is a physical uplink channel carrying feedback information corresponding to the physical downlink shared channel
  • the physical downlink shared channel is a C-RNTI or SPS
  • the C-RNTI scrambled physical downlink control channel carrying the downlink grant DCI is scheduled.
  • the first downlink transmission is a physical downlink control channel
  • the first uplink transmission is a physical uplink shared channel scheduled by the physical downlink control channel
  • the physical downlink control channel is C-RNTI or SPS C-RNTI A scrambled physical downlink control channel carrying uplink grant DCI.
  • the first downlink transmission is a physical downlink control channel
  • the first uplink transmission is a physical random access channel indicated by the physical downlink control channel
  • the physical downlink control channel is a C-RNTI scrambling code
  • the physical downlink control channel command used to trigger the transmission of the physical random access channel.
  • Embodiment 3-1 when the first downlink transmission is associated with an NPDCCH user-specific search space, the target offset value is the second offset value.
  • This embodiment 3-1 can be applied to the NB-IoT system.
  • the target offset value is the first offset value.
  • the association relationship between the first downlink transmission and the first uplink transmission includes at least one of the following situations:
  • the first downlink transmission is a second physical downlink shared channel
  • the first uplink transmission is a physical uplink channel carrying feedback information corresponding to the second physical downlink shared channel, wherein the second physical downlink shared channel
  • the channel is scheduled by the physical downlink control channel carrying the downlink authorization DCI scrambled by the C-RNTI.
  • the second physical downlink shared channel may be a second NPDSCH
  • the first uplink transmission may be an NPUSCH carrying HARQ-ACK information corresponding to the second NPDSCH.
  • the downlink grant DCI carried by the physical downlink control channel (such as NPDCCH) that schedules the second NPDSCH corresponds to DCI format N1.
  • the first downlink transmission is a third physical downlink control channel
  • the first uplink transmission is a physical uplink shared channel scheduled by the third physical downlink control channel
  • the third physical downlink control channel is C - RNTI or semi-persistent scheduling cell wireless network temporary identifier SPS C-RNTI scrambled physical downlink control channel carrying uplink authorization DCI.
  • the third physical downlink control channel may be the third NPDCCH
  • the first uplink transmission may be the NPUSCH scheduled by the third NPDCCH.
  • the uplink grant DCI carried by the third NPDCCH corresponds to DCI format N0.
  • Case 3 the first downlink transmission is the fourth physical downlink control channel, and the first uplink transmission is the physical random access channel PRACH indicated by the fourth physical downlink control channel, wherein the fourth physical downlink control channel is a C-RNTI scrambled physical downlink control channel command used to trigger physical random access channel transmission.
  • the fourth physical downlink control channel may be the fourth NPDCCH
  • the fourth NPDCCH is the NPDCCH order scrambled by the C-RNTI and used to trigger NPRACH transmission
  • the first uplink transmission may be the NPRACH indicated by the fourth NPDCCH.
  • the DCI format carried by the fourth NPDCCH for triggering NPRACH transmission corresponds to DCI format N1.
  • Embodiment 3-2 when the first downlink transmission is associated with an MPDCCH user-specific search space, the target offset value is the second offset value.
  • This embodiment 3-2 can be applied to the eMTC system.
  • the target offset value is the first offset value.
  • the association relationship between the first downlink transmission and the first uplink transmission includes at least one of the following situations:
  • the first downlink transmission is the fourth physical downlink shared channel
  • the first uplink transmission is a physical uplink channel carrying feedback information corresponding to the fourth physical downlink shared channel
  • the fourth PDSCH is C - RNTI or SPS C-RNTI scrambled for physical downlink control channel scheduling carrying downlink grant DCI.
  • the fourth physical downlink shared channel may be the fourth PDSCH
  • the first uplink transmission may be the PUCCH or PUSCH carrying the HARQ-ACK information corresponding to the fourth PDSCH.
  • the downlink grant DCI carried by the physical downlink control channel (for example, MPDCCH) scheduling the fourth PDSCH corresponds to DCI format 6-1A.
  • the downlink grant DCI format carried by the physical downlink control channel (for example, MPDCCH) scheduling the fourth PDSCH corresponds to DCI format 6-1B.
  • the first downlink transmission is the seventh physical downlink control channel
  • the first uplink transmission is a physical uplink shared channel scheduled by the seventh physical downlink control channel
  • the seventh physical downlink control channel is C - RNTI or SPS C-RNTI scrambled physical downlink control channel carrying uplink authorization DCI.
  • the seventh physical downlink control channel may be the seventh MPDCCH
  • the first uplink transmission may be the PUSCH scheduled by the seventh MPDCCH.
  • the uplink grant DCI format carried by the seventh MPDCCH may be DCI format 6-0A.
  • the uplink grant DCI format carried by the seventh MPDCCH may be DCI format 6-0B.
  • Case 3 the first downlink transmission is an eighth physical downlink control channel, and the first uplink transmission is a physical random access channel indicated by the eighth physical downlink control channel, wherein the eighth physical downlink control channel is The C-RNTI scrambled physical downlink control channel command is used to trigger the transmission of the physical random access channel.
  • the eighth physical downlink control channel may be the eighth MPDCCH
  • the eighth MPDCCH is an MPDCCH order scrambled by the C-RNTI and used to trigger PRACH transmission
  • the first uplink transmission may be the PRACH indicated by the eighth MPDCCH.
  • the DCI format carried by the eighth MPDCCH may be DCI format 6-1A.
  • the DCI format carried by the eighth MPDCCH may be DCI format 6-1B.
  • the first downlink transmission is a physical downlink control channel carrying an SRS request (SRS request), and the first uplink transmission includes the SRS transmission indicated by the physical downlink control channel.
  • SRS request an SRS request
  • the DCI in the physical downlink control channel carrying the SRS request corresponds to DCI format 6-0A or DCI format 6-1A.
  • the terminal device corresponds to CEmodeA.
  • Embodiment 4 The target offset value is determined according to the RNTI associated with the first uplink transmission.
  • the RNTI associated with the first uplink transmission may reflect the stage of the uplink transmission to be performed by the terminal device, or the state of the terminal device, or the service corresponding to the first uplink transmission, and determine the target offset value accordingly. It is beneficial for the terminal device to correctly determine the time unit of the first uplink transmission, and avoids the problem of inconsistent understanding of the time unit of the uplink transmission between the network device and the terminal devices in different states.
  • the RNTI associated with the first uplink transmission may refer to the RNTI that scrambles the first uplink transmission, for example, the first uplink transmission is PUSCH, and the RNTI associated with the first uplink transmission may be the scrambling code used to determine the PUSCH RNTI.
  • Embodiment 4-1 when the RNTI used by the first uplink transmission scrambling code is RA-RNTI or TC-RNTI, the target offset value is the first offset value.
  • the terminal device determines the time unit of the first uplink transmission according to the first offset value, which is beneficial The problem of inconsistency in the understanding of the time unit of uplink transmission by the network device and the terminal device is avoided.
  • Embodiment 4-2 when the RNTI used by the first uplink transmission scrambling code is not RA-RNTI and not TC-RNTI, the target offset value is the second offset value.
  • the terminal device determines the first uplink transmission according to the second offset value
  • the time unit is beneficial to avoid the problem of inconsistency in understanding the time unit of uplink transmission between the network device and the terminal device.
  • the terminal device is configured with a second offset value.
  • the terminal device can determine that the target offset value is the first offset value when the first downlink transmission is associated with the Type2-NPDCCH CSS. offset value; when the first downlink transmission is associated with the NPDCCH USS, determine that the target offset value is the second offset value.
  • the terminal device can determine the target offset value when the first downlink transmission is associated with Type0-MPDCCH CSS or Type2-MPDCCH CSS is the first offset value; when the first downlink transmission is associated with the MPDCCH USS, determine that the target offset value is the second offset value.
  • Table 3 shows the determination of the target offset value corresponding to the transmission timing of the first uplink transmission when the first uplink transmission is a physical uplink channel carrying feedback information corresponding to PDSCH in the NB-IoT system
  • Table 4 shows NB- In the IoT system, when the first uplink transmission is PUSCH or PRACH, the determination of the target offset value corresponding to the transmission timing of the first uplink transmission
  • Table 5 shows that in the eMTC system, when the first uplink transmission is carrying the feedback information corresponding to PDSCH In the physical uplink channel, the determination of the target offset value corresponding to the transmission timing of the first uplink transmission
  • Table 6 shows that when the first uplink transmission is PUSCH or PRACH in the eMTC system, the target corresponding to the transmission timing of the first uplink transmission Determination of the offset value.
  • “Yes/No" in the table indicates that the second
  • the terminal device may determine a target offset value for determining the transmission timing of the first uplink transmission according to the first information, and further determine the transmission timing of the first uplink transmission according to the target offset value, and based on the transmission timing Perform the first uplink transmission.
  • the network device may also determine the target offset value of the transmission timing of the first uplink transmission of the terminal device according to the first information, further determine the transmission timing of the first uplink transmission according to the target offset value, and receive The first uplink transmission of the terminal device can ensure that the network device and the terminal devices in different states have a consistent understanding of the transmission timing of the uplink transmission.
  • the above describes the wireless communication method according to the embodiment of the present application in detail from the perspective of the terminal device in conjunction with FIG. 2 .
  • the following describes in detail the wireless communication method according to another embodiment of the present application from the perspective of the network device in conjunction with FIG. 3 . It should be understood that the description on the network device side corresponds to the description on the terminal device side, similar descriptions can be referred to above, and will not be repeated here to avoid repetition.
  • FIG. 3 is a schematic flowchart of a wireless communication method 300 according to another embodiment of the present application.
  • the method 300 can be executed by a network device in the communication system shown in FIGS. 1A to 1C .
  • the Method 300 includes at least some of the following:
  • the network device determines the transmission timing of the first uplink transmission of the terminal device according to a target offset value, where the target offset value is a first offset value or a second offset value;
  • the network device receives the first uplink transmission according to the transmission timing of the first uplink transmission.
  • the network device may determine the transmission timing of the first uplink transmission in a manner similar to that of the terminal device. For specific implementation, refer to related descriptions in the method 200. For brevity, details are not repeated here.
  • the network device and the terminal device can determine the transmission timing of the uplink transmission in a consistent manner, which is beneficial to ensure that the network device and the terminal device have a consistent understanding of the transmission timing of the uplink transmission.
  • the target offset value is determined according to first information, where the first information includes at least one of the following:
  • the first downlink transmission and the first uplink transmission have an association relationship.
  • the target offset value is determined according to whether the second offset value is configured on the terminal device, wherein,
  • the target offset value is the first offset value
  • the target offset value is the second offset value.
  • the target offset value is determined according to the RNTI associated with the first downlink transmission and/or the search space type associated with the first downlink transmission, wherein,
  • the target offset value is the first offset value
  • the target offset value is the first offset value.
  • the first downlink transmission associated narrowband physical downlink control channel NPDCCH common search space includes:
  • the first downlink transmission association type 2 NPDCCH common search space and/or,
  • the first downlink transmission is associated with a type 2A NPDCCH common search space.
  • the association relationship between the first downlink transmission and the first uplink transmission includes at least one of the following:
  • the first downlink transmission is a first physical downlink shared channel
  • the first uplink transmission is a physical uplink channel carrying feedback information corresponding to the first physical downlink shared channel, wherein the first physical downlink shared channel TC-RNTI or cell radio network temporary identifier C-RNTI or group radio network temporary identifier G-RNTI scrambled physical downlink control channel carrying downlink authorization downlink control information DCI scheduling;
  • the first downlink transmission includes an RAR associated with the RA-RNTI, and the first uplink transmission is a physical uplink shared channel scheduled by the RAR;
  • the first downlink transmission is a first physical downlink control channel
  • the first uplink transmission is a physical uplink shared channel scheduled by the first physical downlink control channel, wherein the first physical downlink control channel is a TC- RNTI or C-RNTI scrambled physical downlink control channel carrying uplink authorization DCI;
  • the first downlink transmission is a second physical downlink control channel
  • the first uplink transmission is a physical random access channel indicated by the second physical downlink control channel
  • the second physical downlink control channel is C - RNTI scrambled physical downlink control channel commands used to trigger physical random access channel transmission.
  • the target offset value is determined according to the search space type associated with the first downlink transmission, wherein when the first downlink transmission is associated with an NPDCCH user-specific search space, the The target offset value is the second offset value.
  • the association relationship between the first downlink transmission and the first uplink transmission includes at least one of the following:
  • the first downlink transmission is a second physical downlink shared channel
  • the first uplink transmission is a physical uplink channel carrying feedback information corresponding to the second physical downlink shared channel, wherein the second physical downlink shared channel It is scheduled by the physical downlink control channel carrying the downlink authorization DCI scrambled by C-RNTI;
  • the first downlink transmission is a third physical downlink control channel
  • the first uplink transmission is a physical uplink shared channel scheduled by the third physical downlink control channel
  • the third physical downlink control channel is a C- RNTI or semi-persistent scheduling cell wireless network temporary identifier SPS C-RNTI scrambled physical downlink control channel carrying uplink authorized DCI;
  • the first downlink transmission is a fourth physical downlink control channel
  • the first uplink transmission is a physical random access channel PRACH indicated by the fourth physical downlink control channel
  • the fourth physical downlink control channel is The C-RNTI scrambled physical downlink control channel command is used to trigger the transmission of the physical random access channel.
  • the DCI format corresponding to the downlink authorized DCI is DCI format N1
  • the DCI format corresponding to the uplink authorized DCI is DCI format N0
  • the DCI corresponding to the DCI that triggers physical random access channel transmission The format is DCI format N1.
  • the terminal device is a terminal device in a NB-IoT system.
  • the target offset value is determined according to the RNTI associated with the first downlink transmission and/or the search space type associated with the first downlink transmission, wherein,
  • the target offset value is the first offset value
  • the target offset value is the first offset value.
  • the MPDCCH common search space associated with the first downlink transmission includes at least one of the following:
  • the first downlink transmission is associated with a type 2A MPDCCH common search space.
  • the association relationship between the first downlink transmission and the first uplink transmission includes at least one of the following:
  • the first downlink transmission is a third physical downlink shared channel
  • the first uplink transmission is a physical uplink channel carrying feedback information corresponding to the third physical downlink shared channel, wherein the third physical downlink shared channel TC-RNTI or C-RNTI or G-RNTI scrambled physical downlink control channel carrying downlink authorization DCI scheduling;
  • the first downlink transmission includes an RAR associated with the RA-RNTI, and the first uplink transmission is a physical uplink shared channel scheduled by the RAR;
  • the first downlink transmission is a fifth physical downlink control channel
  • the first uplink transmission is a physical uplink shared channel scheduled by the fifth physical downlink control channel
  • the fifth physical downlink control channel is a TC- RNTI or C-RNTI or SPS C-RNTI scrambled physical downlink control channel carrying uplink authorized DCI;
  • the first downlink transmission is a sixth physical downlink control channel
  • the first uplink transmission is a physical random access channel indicated by the sixth physical downlink control channel
  • the sixth physical downlink control channel is C - RNTI scrambled physical downlink control channel commands used to trigger physical random access channel transmission.
  • the target offset value is determined according to the search space type associated with the first downlink transmission, wherein when the first downlink transmission is associated with an MPDCCH user-specific search space, the The target offset value is the second offset value.
  • the association relationship between the first downlink transmission and the first uplink transmission includes at least one of the following:
  • the first downlink transmission is a fourth physical downlink shared channel
  • the first uplink transmission is a physical uplink channel carrying feedback information corresponding to the fourth physical downlink shared channel
  • the first PDSCH is a C- RNTI or SPS C-RNTI scrambled for physical downlink control channel scheduling carrying downlink authorization DCI;
  • the first downlink transmission is a seventh physical downlink control channel
  • the first uplink transmission is a physical uplink shared channel scheduled by the seventh physical downlink control channel
  • the seventh physical downlink control channel is a C- RNTI or SPS C-RNTI scrambled physical downlink control channel carrying uplink authorized DCI
  • the first downlink transmission is an eighth physical downlink control channel
  • the first uplink transmission is a physical random access channel indicated by the eighth physical downlink control channel
  • the eighth physical downlink control channel is C - RNTI scrambled physical downlink control channel commands used to trigger physical random access channel transmission.
  • the DCI format corresponding to the downlink authorized DCI is DCI format 6-1A
  • the DCI format corresponding to the uplink authorized DCI is DCI format 6- 0A
  • the DCI format corresponding to the DCI that triggers the transmission of the physical random access channel is DCI format 6-1A;
  • the DCI format corresponding to the downlink authorized DCI is DCI format 6-1B
  • the DCI format corresponding to the uplink authorized DCI is DCI format 6-0B
  • the trigger physical random access channel transmission The DCI format corresponding to the DCI is DCI format 6-1B.
  • the terminal device is a terminal device in a machine type communication (MTC) system.
  • MTC machine type communication
  • the target offset value is determined according to the RNTI associated with the first uplink transmission, wherein,
  • the target offset value is the first offset value
  • the target offset value is the second offset value.
  • the second offset value is configured on the terminal device.
  • the first offset value is obtained by the terminal device through public signaling, and/or the second offset value is obtained by the terminal device through dedicated signaling.
  • the first offset value is obtained by the terminal device through public signaling, including:
  • the first offset value is obtained by the terminal device through system messages and/or public radio resource control RRC signaling.
  • the system message includes a non-terrestrial network NTN dedicated system message.
  • the second offset value is obtained by the terminal device through dedicated signaling, including:
  • the second offset value is obtained by the terminal device through dedicated RRC signaling and/or medium access control control element MAC CE.
  • the second offset value is obtained by the terminal device through dedicated RRC signaling and a medium access control control element MAC CE, wherein the second offset value is the MAC The offset value indicated by the CE from the plurality of offset values included in the dedicated RRC signaling.
  • sequence numbers of the above-mentioned processes do not mean the order of execution, and the order of execution of the processes should be determined by their functions and internal logic, and should not be used in this application.
  • the implementation of the examples constitutes no limitation.
  • the terms “downlink”, “uplink” and “sidelink” are used to indicate the transmission direction of signals or data, wherein “downlink” is used to indicate that the transmission direction of signals or data is sent from the station The first direction to the user equipment in the cell, “uplink” is used to indicate that the signal or data transmission direction is the second direction sent from the user equipment in the cell to the station, and “side line” is used to indicate that the signal or data transmission direction is A third direction sent from UE1 to UE2.
  • “downlink signal” indicates that the transmission direction of the signal is the first direction.
  • the term “and/or” is only an association relationship describing associated objects, indicating that there may be three relationships. Specifically, A and/or B may mean: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" in this article generally indicates that the contextual objects are an "or” relationship.
  • Fig. 4 shows a schematic block diagram of a terminal device 400 according to an embodiment of the present application.
  • the terminal device 400 includes:
  • the processing unit 410 is configured to determine a transmission timing of the first uplink transmission according to a target offset value, where the target offset value is a first offset value or a second offset value.
  • the terminal device 400 further includes: a communication unit, configured to perform the first uplink transmission according to the transmission timing of the first uplink transmission.
  • the target offset value is determined according to first information, where the first information includes at least one of the following:
  • the first downlink transmission and the first uplink transmission have an association relationship.
  • the target offset value is determined according to whether the second offset value is configured on the terminal device, wherein,
  • the target offset value is the first offset value
  • the target offset value is the second offset value.
  • the target offset value is determined according to the RNTI associated with the first downlink transmission and/or the search space type associated with the first downlink transmission, wherein,
  • the target offset value is the first offset value
  • the target offset value is the first offset value.
  • the first downlink transmission associated narrowband physical downlink control channel NPDCCH common search space includes:
  • the first downlink transmission association type 2 NPDCCH common search space and/or,
  • the first downlink transmission is associated with a type 2A NPDCCH common search space.
  • the association relationship between the first downlink transmission and the first uplink transmission includes at least one of the following:
  • the first downlink transmission is a first physical downlink shared channel
  • the first uplink transmission is a physical uplink channel carrying feedback information corresponding to the first physical downlink shared channel, wherein the first physical downlink shared channel It is TC-RNTI or cell radio network temporary identifier C-RNTI or group radio network temporary identifier G-RNTI scrambled for physical downlink control channel scheduling that carries downlink authorized downlink control information DCI;
  • the first downlink transmission includes an RAR associated with the RA-RNTI, and the first uplink transmission is a physical uplink shared channel scheduled by the RAR;
  • the first downlink transmission is a first physical downlink control channel
  • the first uplink transmission is a physical uplink shared channel scheduled by the first physical downlink control channel, wherein the first physical downlink control channel is a TC- RNTI or C-RNTI scrambled physical downlink control channel carrying uplink authorization DCI;
  • the first downlink transmission is a second physical downlink control channel
  • the first uplink transmission is a physical random access channel indicated by the second physical downlink control channel
  • the second physical downlink control channel is C - RNTI scrambled physical downlink control channel commands used to trigger physical random access channel transmission.
  • the target offset value is determined according to the search space type associated with the first downlink transmission, wherein when the first downlink transmission is associated with an NPDCCH user-specific search space, the The target offset value is the second offset value.
  • the association relationship between the first downlink transmission and the first uplink transmission includes at least one of the following:
  • the first downlink transmission is a second physical downlink shared channel
  • the first uplink transmission is a physical uplink channel carrying feedback information corresponding to the second physical downlink shared channel, wherein the second physical downlink shared channel It is scheduled by the physical downlink control channel carrying the downlink authorization DCI scrambled by C-RNTI;
  • the first downlink transmission is a third physical downlink control channel
  • the first uplink transmission is a physical uplink shared channel scheduled by the third physical downlink control channel
  • the third physical downlink control channel is a C- RNTI or semi-persistent scheduling cell wireless network temporary identifier SPS C-RNTI scrambled physical downlink control channel carrying uplink authorized DCI;
  • the first downlink transmission is a fourth physical downlink control channel
  • the first uplink transmission is a physical random access channel PRACH indicated by the fourth physical downlink control channel
  • the fourth physical downlink control channel is The C-RNTI scrambled physical downlink control channel command is used to trigger the transmission of the physical random access channel.
  • the DCI format corresponding to the downlink authorized DCI is DCI format N1
  • the DCI format corresponding to the uplink authorized DCI is DCI format N0
  • the DCI corresponding to the DCI that triggers physical random access channel transmission The format is DCI format N1.
  • the terminal device is a terminal device in a NB-IoT system.
  • the target offset value is determined according to the RNTI associated with the first downlink transmission and/or the search space type associated with the first downlink transmission, wherein,
  • the target offset value is the first offset value
  • the target offset value is the first offset value.
  • the MPDCCH common search space associated with the first downlink transmission includes at least one of the following:
  • the first downlink transmission is associated with a type 2A MPDCCH common search space.
  • the association relationship between the first downlink transmission and the first uplink transmission includes at least one of the following:
  • the first downlink transmission is a third physical downlink shared channel
  • the first uplink transmission is a physical uplink channel carrying feedback information corresponding to the third physical downlink shared channel, wherein the third physical downlink shared channel TC-RNTI or C-RNTI or G-RNTI scrambled physical downlink control channel carrying downlink authorization DCI scheduling;
  • the first downlink transmission includes an RAR associated with the RA-RNTI, and the first uplink transmission is a physical uplink shared channel scheduled by the RAR;
  • the first downlink transmission is a fifth physical downlink control channel
  • the first uplink transmission is a physical uplink shared channel scheduled by the fifth physical downlink control channel
  • the fifth physical downlink control channel is a TC- RNTI or C-RNTI or SPS C-RNTI scrambled physical downlink control channel carrying uplink authorized DCI;
  • the first downlink transmission is a sixth physical downlink control channel
  • the first uplink transmission is a physical random access channel indicated by the sixth physical downlink control channel
  • the sixth physical downlink control channel is C - RNTI scrambled physical downlink control channel commands used to trigger physical random access channel transmission.
  • the target offset value is determined according to the search space type associated with the first downlink transmission, wherein when the first downlink transmission is associated with an MPDCCH user-specific search space, the The target offset value is the second offset value.
  • the association relationship between the first downlink transmission and the first uplink transmission includes at least one of the following:
  • the first downlink transmission is a fourth physical downlink shared channel
  • the first uplink transmission is a physical uplink channel carrying feedback information corresponding to the fourth physical downlink shared channel
  • the first PDSCH is a C- RNTI or SPS C-RNTI scrambled for physical downlink control channel scheduling carrying downlink authorization DCI;
  • the first downlink transmission is a seventh physical downlink control channel
  • the first uplink transmission is a physical uplink shared channel scheduled by the seventh physical downlink control channel
  • the seventh physical downlink control channel is a C- RNTI or SPS C-RNTI scrambled physical downlink control channel carrying uplink authorized DCI
  • the first downlink transmission is an eighth physical downlink control channel
  • the first uplink transmission is a physical random access channel indicated by the eighth physical downlink control channel
  • the eighth physical downlink control channel is C - RNTI scrambled physical downlink control channel commands used to trigger physical random access channel transmission.
  • the DCI format corresponding to the downlink authorized DCI is DCI format 6-1A
  • the DCI format corresponding to the uplink authorized DCI is DCI format 6- 0A
  • the DCI format corresponding to the DCI that triggers the transmission of the physical random access channel is DCI format 6-1A;
  • the DCI format corresponding to the downlink authorized DCI is DCI format 6-1B
  • the DCI format corresponding to the uplink authorized DCI is DCI format 6-0B
  • the trigger physical random access channel transmission The DCI format corresponding to the DCI is DCI format 6-1B.
  • the terminal device is a terminal device in a machine type communication (MTC) system.
  • MTC machine type communication
  • the target offset value is determined according to the RNTI associated with the first uplink transmission, wherein,
  • the target offset value is the first offset value
  • the target offset value is the second offset value.
  • the second offset value is configured on the terminal device.
  • the first offset value is obtained by the terminal device through public signaling, and/or the second offset value is obtained by the terminal device through dedicated signaling.
  • the first offset value is obtained by the terminal device through public signaling, including:
  • the first offset value is obtained by the terminal device through system messages and/or public radio resource control RRC signaling.
  • the system message includes a non-terrestrial network NTN dedicated system message.
  • the second offset value is obtained by the terminal device through dedicated signaling, including:
  • the second offset value is obtained by the terminal device through dedicated RRC signaling and/or medium access control control element MAC CE.
  • the second offset value is obtained by the terminal device through dedicated RRC signaling and a medium access control control element MAC CE, wherein the second offset value is the MAC The offset value indicated by the CE from the plurality of offset values included in the dedicated RRC signaling.
  • the above-mentioned communication unit may be a communication interface or a transceiver, or an input-output interface of a communication chip or a system-on-chip.
  • the aforementioned processing unit may be one or more processors.
  • terminal device 400 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 400 are for realizing the method shown in FIG. 2 For the sake of brevity, the corresponding process of the terminal device in 200 will not be repeated here.
  • Fig. 5 is a schematic block diagram of a network device according to an embodiment of the present application.
  • the network device 500 of FIG. 5 includes:
  • the processing unit 510 is configured to determine the transmission timing of the first uplink transmission of the terminal device according to a target offset value, where the target offset value is a first offset value or a second offset value;
  • the communication unit 520 is configured to receive the first uplink transmission according to the transmission timing of the first uplink transmission.
  • the target offset value is determined according to first information, where the first information includes at least one of the following:
  • the first downlink transmission and the first uplink transmission have an association relationship.
  • the target offset value is determined according to whether the second offset value is configured on the terminal device, wherein,
  • the target offset value is the first offset value
  • the target offset value is the second offset value.
  • the target offset value is determined according to the RNTI associated with the first downlink transmission and/or the search space type associated with the first downlink transmission, wherein,
  • the target offset value is the first offset value
  • the target offset value is the first offset value.
  • the first downlink transmission associated narrowband physical downlink control channel NPDCCH common search space includes:
  • the first downlink transmission association type 2 NPDCCH common search space and/or,
  • the first downlink transmission is associated with a type 2A NPDCCH common search space.
  • the association relationship between the first downlink transmission and the first uplink transmission includes at least one of the following:
  • the first downlink transmission is a first physical downlink shared channel
  • the first uplink transmission is a physical uplink channel carrying feedback information corresponding to the first physical downlink shared channel, wherein the first physical downlink shared channel It is TC-RNTI or cell radio network temporary identifier C-RNTI or group radio network temporary identifier G-RNTI scrambled for physical downlink control channel scheduling that carries downlink authorized downlink control information DCI;
  • the first downlink transmission includes an RAR associated with the RA-RNTI, and the first uplink transmission is a physical uplink shared channel scheduled by the RAR;
  • the first downlink transmission is a first physical downlink control channel
  • the first uplink transmission is a physical uplink shared channel scheduled by the first physical downlink control channel, wherein the first physical downlink control channel is a TC- RNTI or C-RNTI scrambled physical downlink control channel carrying uplink authorization DCI;
  • the first downlink transmission is a second physical downlink control channel
  • the first uplink transmission is a physical random access channel indicated by the second physical downlink control channel
  • the second physical downlink control channel is C - RNTI scrambled physical downlink control channel commands used to trigger physical random access channel transmission.
  • the target offset value is determined according to the search space type associated with the first downlink transmission, wherein when the first downlink transmission is associated with an NPDCCH user-specific search space, the The target offset value is the second offset value.
  • the association relationship between the first downlink transmission and the first uplink transmission includes at least one of the following:
  • the first downlink transmission is a second physical downlink shared channel
  • the first uplink transmission is a physical uplink channel carrying feedback information corresponding to the second physical downlink shared channel, wherein the second physical downlink shared channel It is scheduled by the physical downlink control channel carrying the downlink authorization DCI scrambled by C-RNTI;
  • the first downlink transmission is a third physical downlink control channel
  • the first uplink transmission is a physical uplink shared channel scheduled by the third physical downlink control channel
  • the third physical downlink control channel is a C- RNTI or semi-persistent scheduling cell wireless network temporary identifier SPS C-RNTI scrambled physical downlink control channel carrying uplink authorized DCI;
  • the first downlink transmission is a fourth physical downlink control channel
  • the first uplink transmission is a physical random access channel PRACH indicated by the fourth physical downlink control channel
  • the fourth physical downlink control channel is The C-RNTI scrambled physical downlink control channel command is used to trigger the transmission of the physical random access channel.
  • the DCI format corresponding to the downlink authorized DCI is DCI format N1
  • the DCI format corresponding to the uplink authorized DCI is DCI format N0
  • the DCI corresponding to the DCI that triggers physical random access channel transmission The format is DCI format N1.
  • the terminal device is a terminal device in a NB-IoT system.
  • the target offset value is determined according to the RNTI associated with the first downlink transmission and/or the search space type associated with the first downlink transmission, wherein,
  • the target offset value is the first offset value
  • the target offset value is the first offset value.
  • the MPDCCH common search space associated with the first downlink transmission includes at least one of the following:
  • the first downlink transmission is associated with a type 2A MPDCCH common search space.
  • the association relationship between the first downlink transmission and the first uplink transmission includes at least one of the following:
  • the first downlink transmission is a third physical downlink shared channel
  • the first uplink transmission is a physical uplink channel carrying feedback information corresponding to the third physical downlink shared channel, wherein the third physical downlink shared channel TC-RNTI or C-RNTI or G-RNTI scrambled physical downlink control channel carrying downlink authorization DCI scheduling;
  • the first downlink transmission includes an RAR associated with the RA-RNTI, and the first uplink transmission is a physical uplink shared channel scheduled by the RAR;
  • the first downlink transmission is a fifth physical downlink control channel
  • the first uplink transmission is a physical uplink shared channel scheduled by the fifth physical downlink control channel
  • the fifth physical downlink control channel is a TC- RNTI or C-RNTI or SPS C-RNTI scrambled physical downlink control channel carrying uplink authorized DCI;
  • the first downlink transmission is a sixth physical downlink control channel
  • the first uplink transmission is a physical random access channel indicated by the sixth physical downlink control channel
  • the sixth physical downlink control channel is C - RNTI scrambled physical downlink control channel commands used to trigger physical random access channel transmission.
  • the target offset value is determined according to the search space type associated with the first downlink transmission, wherein when the first downlink transmission is associated with an MPDCCH user-specific search space, the The target offset value is the second offset value.
  • the association relationship between the first downlink transmission and the first uplink transmission includes at least one of the following:
  • the first downlink transmission is a fourth physical downlink shared channel
  • the first uplink transmission is a physical uplink channel carrying feedback information corresponding to the fourth physical downlink shared channel
  • the first PDSCH is a C- RNTI or SPS C-RNTI scrambled for physical downlink control channel scheduling carrying downlink authorization DCI;
  • the first downlink transmission is a seventh physical downlink control channel
  • the first uplink transmission is a physical uplink shared channel scheduled by the seventh physical downlink control channel
  • the seventh physical downlink control channel is a C- RNTI or SPS C-RNTI scrambled physical downlink control channel carrying uplink authorized DCI
  • the first downlink transmission is an eighth physical downlink control channel
  • the first uplink transmission is a physical random access channel indicated by the eighth physical downlink control channel
  • the eighth physical downlink control channel is C - RNTI scrambled physical downlink control channel commands used to trigger physical random access channel transmission.
  • the DCI format corresponding to the downlink authorized DCI is DCI format 6-1A
  • the DCI format corresponding to the uplink authorized DCI is DCI format 6- 0A
  • the DCI format corresponding to the DCI that triggers the transmission of the physical random access channel is DCI format 6-1A;
  • the DCI format corresponding to the downlink authorized DCI is DCI format 6-1B
  • the DCI format corresponding to the uplink authorized DCI is DCI format 6-0B
  • the trigger physical random access channel transmission The DCI format corresponding to the DCI is DCI format 6-1B.
  • the terminal device is a terminal device in a machine type communication (MTC) system.
  • MTC machine type communication
  • the target offset value is determined according to the RNTI associated with the first uplink transmission, wherein,
  • the target offset value is the first offset value
  • the target offset value is the second offset value.
  • the second offset value is configured on the terminal device.
  • the first offset value is obtained by the terminal device through public signaling, and/or the second offset value is obtained by the terminal device through dedicated signaling.
  • the first offset value is obtained by the terminal device through public signaling, including:
  • the first offset value is obtained by the terminal device through system messages and/or public radio resource control RRC signaling.
  • the system message includes a non-terrestrial network NTN dedicated system message.
  • the second offset value is obtained by the terminal device through dedicated signaling, including:
  • the second offset value is obtained by the terminal device through dedicated RRC signaling and/or medium access control control element MAC CE.
  • the second offset value is obtained by the terminal device through dedicated RRC signaling and a medium access control control element MAC CE, wherein the second offset value is the MAC The offset value indicated by the CE from the plurality of offset values included in the dedicated RRC signaling.
  • the above-mentioned communication unit may be a communication interface or a transceiver, or an input-output interface of a communication chip or a system-on-chip.
  • the aforementioned processing unit may be one or more processors.
  • the network device 500 may correspond to the network device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the network device 500 are to realize the method shown in FIG. 3
  • the corresponding processes of the network devices in 300 will not be repeated here.
  • FIG. 6 is a schematic structural diagram of a communication device 600 provided by an embodiment of the present application.
  • the communication device 600 shown in FIG. 6 includes a processor 610, and the processor 610 can invoke and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
  • the communication device 600 may further include a memory 620 .
  • the processor 610 can invoke and run a computer program from the memory 620, so as to implement the method in the embodiment of the present application.
  • the memory 620 may be an independent 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, to send information or data to other devices, or receive other Information or data sent by the device.
  • the transceiver 630 may include a transmitter and a receiver.
  • the transceiver 630 may further include antennas, and the number of antennas may be one or more.
  • the communication device 600 may specifically be the network device of the embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented by the network device in each method of the embodiment of the present application. For the sake of brevity, details are not repeated here. .
  • the communication device 600 may specifically be the mobile terminal/terminal device of the embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, for the sake of brevity , which will not be repeated here.
  • FIG. 7 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 700 shown in FIG. 7 includes a processor 710, and the processor 710 can call and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
  • the chip 700 may further include a memory 720 .
  • the processor 710 can invoke and run a computer program from the memory 720, so as to implement the method in the embodiment of the present application.
  • the memory 720 may be an independent device independent of the processor 710 , or may be integrated in the processor 710 .
  • the chip 700 may also include an input interface 730 .
  • the processor 710 can control the input interface 730 to communicate with other devices or chips, specifically, can obtain information or data sent by other devices or chips.
  • the chip 700 may also include an output interface 740 .
  • the processor 710 can control the output interface 740 to communicate with other devices or chips, 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 the methods of the embodiment of the present application.
  • the chip can implement the corresponding processes implemented by the network device in the methods of the embodiment of the present application.
  • the chip can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of the present application.
  • the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of the present application.
  • the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of the present application.
  • the chip can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of the present application.
  • the chip mentioned in the embodiment of the present application may also be called a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip.
  • FIG. 8 is a schematic block diagram of a communication system 900 provided by an embodiment of the present application. As shown in FIG. 8 , the communication system 900 includes a terminal device 910 and a network device 920 .
  • the terminal device 910 can be used to realize the corresponding functions realized by the terminal device in the above method
  • the network device 920 can be used to realize the corresponding functions realized by the network device in the above method.
  • the processor in the embodiment of the present application may be an integrated circuit chip, which has a signal processing capability.
  • each step of the above-mentioned method embodiments may be completed by an integrated logic circuit of hardware in a processor or instructions in the form of software.
  • the above-mentioned processor can be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application-specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other available Program logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • a general-purpose processor may be a microprocessor, or the processor may be any conventional processor, or the like.
  • the steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented 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, register.
  • 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 a volatile memory or a nonvolatile memory, or may include both volatile and nonvolatile memories.
  • 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), electronically programmable Erase Programmable Read-Only Memory (Electrically EPROM, EEPROM) or Flash.
  • the volatile memory can be Random Access Memory (RAM), which acts as external cache memory.
  • RAM Static Random Access Memory
  • SRAM Static Random Access Memory
  • DRAM Dynamic Random Access Memory
  • Synchronous Dynamic Random Access Memory Synchronous Dynamic Random Access Memory
  • 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
  • Synchlink DRAM, SLDRAM Direct Memory Bus Random Access Memory
  • Direct Rambus RAM Direct Rambus 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), etc. That is, the memory in the embodiments of the present application is intended to include, but not be 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 embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the network device in the methods of the embodiments of the present application.
  • the computer program enables the computer to execute the corresponding processes implemented by the network device in the methods of the embodiments of the present application.
  • the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of the present application , for the sake of brevity, it is not repeated here.
  • the embodiment of the present application also provides a computer program product, including computer program instructions.
  • the computer program product may 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 Let me repeat for the sake of brevity, the Let me repeat.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in the methods of the embodiments of the present application, For the sake of brevity, details are not repeated 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 executes the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program executes the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program can be applied to the mobile terminal/terminal device in the embodiment of the present application.
  • the computer program executes each method in the embodiment of the present application to be implemented by the mobile terminal/terminal device
  • the corresponding process will not be repeated here.
  • the disclosed systems, devices and methods may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
  • the functions described above are realized in the form of software function units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of the present application is essentially or the part that contributes to the prior art 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 methods described in the various embodiments 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 disk or optical disc and other media that can store program codes. .

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé de communication sans fil, un dispositif terminal, et un dispositif de réseau. Le procédé comprend les étapes suivantes : un dispositif terminal détermine la synchronisation de transmission d'une première transmission de liaison montante selon une valeur de décalage cible, la valeur de décalage cible étant une première valeur de décalage ou une seconde valeur de décalage.
PCT/CN2021/122226 2021-09-30 2021-09-30 Procédé de communication sans fil, dispositif terminal, et dispositif de réseau WO2023050335A1 (fr)

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PCT/CN2021/122226 WO2023050335A1 (fr) 2021-09-30 2021-09-30 Procédé de communication sans fil, dispositif terminal, et dispositif de réseau
CN202180100970.7A CN117751685A (zh) 2021-09-30 2021-09-30 无线通信的方法、终端设备和网络设备

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110139247A (zh) * 2018-02-08 2019-08-16 北京三星通信技术研究有限公司 物理信道传输的方法及设备
CN111527714A (zh) * 2017-11-16 2020-08-11 夏普株式会社 用户设备、基站和方法
CN112911699A (zh) * 2021-01-14 2021-06-04 之江实验室 一种基于非地面通信网络的时间同步方法
CN113163481A (zh) * 2020-01-23 2021-07-23 中国移动通信有限公司研究院 一种上行传输定时的确定方法、终端及基站
WO2021155596A1 (fr) * 2020-02-07 2021-08-12 Oppo广东移动通信有限公司 Procédé et appareil d'indication d'informations, dispositif et support de stockage

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111527714A (zh) * 2017-11-16 2020-08-11 夏普株式会社 用户设备、基站和方法
CN110139247A (zh) * 2018-02-08 2019-08-16 北京三星通信技术研究有限公司 物理信道传输的方法及设备
CN113163481A (zh) * 2020-01-23 2021-07-23 中国移动通信有限公司研究院 一种上行传输定时的确定方法、终端及基站
WO2021155596A1 (fr) * 2020-02-07 2021-08-12 Oppo广东移动通信有限公司 Procédé et appareil d'indication d'informations, dispositif et support de stockage
CN112911699A (zh) * 2021-01-14 2021-06-04 之江实验室 一种基于非地面通信网络的时间同步方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SAMSUNG: "Timing relationship enhancements for NTN", 3GPP DRAFT; R1-2105306, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. e-Meeting; 20210510 - 20210527, 12 May 2021 (2021-05-12), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP052011352 *

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