WO2021208768A1 - 数据传输的方法和装置 - Google Patents

数据传输的方法和装置 Download PDF

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Publication number
WO2021208768A1
WO2021208768A1 PCT/CN2021/085476 CN2021085476W WO2021208768A1 WO 2021208768 A1 WO2021208768 A1 WO 2021208768A1 CN 2021085476 W CN2021085476 W CN 2021085476W WO 2021208768 A1 WO2021208768 A1 WO 2021208768A1
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WIPO (PCT)
Prior art keywords
time
frequency resource
terminal device
indication information
information
Prior art date
Application number
PCT/CN2021/085476
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English (en)
French (fr)
Inventor
娄崇
范强
黄曲芳
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP21788690.2A priority Critical patent/EP4124136A4/en
Publication of WO2021208768A1 publication Critical patent/WO2021208768A1/zh
Priority to US17/966,533 priority patent/US20230034266A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/11—Semi-persistent scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/115—Grant-free or autonomous transmission

Definitions

  • the embodiments of the present application relate to the field of wireless communication, and in particular to methods and devices for data transmission.
  • the fifth generation (5G) mobile communication system has a significant feature that is the increase in ultra-reliable and low-latency communication.
  • communications, URLLC URLLC
  • URLLC's business types include many types, and typical use cases include industrial control, unmanned driving, remote surgery, and smart grids.
  • a typical requirement is that the reliability of sending 32 bytes of data within 1 millisecond (millisecond, ms) must reach 99.999%. It should be pointed out that the above performance indicators are just examples. Different URLLC services may have different requirements for reliability. For example, in some extremely demanding industrial control application scenarios, the transmission success probability of URLLC service data needs to be within 0.25 ms. Reached 99.9999999%.
  • This application provides a data transmission method and device, which are used to reduce the time delay of data transmission.
  • this application provides a data transmission method, and the execution subject of the method is a terminal device or a module in the terminal device.
  • the terminal device is taken as the execution subject as an example for description.
  • the terminal device receives the first indication information from the network device, the first indication information includes the configuration information of the first time-frequency resource; when the first time-frequency resource is not available, the terminal device obtains the first time information; the terminal device A second time-frequency resource is determined by time information and the first time-frequency resource, and the time-domain position of the second time-frequency resource is after the time-domain position of the first time-frequency resource; the terminal device is on the second time-frequency resource Send uplink data to the network device, or the terminal device receives downlink data from the network device on the above-mentioned second time-frequency resource.
  • the terminal device when the first time-frequency resource used by the terminal device for data transmission is unavailable, the terminal device obtains the first time information, and the terminal device determines the second time-frequency resource according to the first time information and the first time-frequency resource. Time-frequency resources, and extend the data transmission from the first time-frequency resource to the second time-frequency resource after the first time-frequency resource, thereby reducing the delay impact caused by the unavailability of the first time-frequency resource and reducing The delay of data transmission.
  • the above-mentioned first time-frequency resource is configuration grant (CG) or downlink semi-persistent scheduling (SPS).
  • CG configuration grant
  • SPS downlink semi-persistent scheduling
  • the foregoing acquiring the first time information specifically includes: the terminal device determines the foregoing first time information according to a postponement rule, and the postponement rule is predefined.
  • the terminal device can determine the first time information according to a predefined postponement rule, thereby determining the second time-frequency resource, without requiring the network device to indicate the second time-frequency resource through indication information, thereby reducing signaling overhead.
  • the foregoing determining the first time information according to the postponement rule specifically includes: the terminal device receives second indication information from the network device, and the second indication information indicates whether to use the postponement. Rule; the terminal device determines the first time information according to the second instruction information and the postponement rule.
  • the network device can configure whether the terminal device uses the postponement rule through the indication information, which improves the flexibility of resource configuration.
  • the foregoing acquiring the first time information specifically includes: the terminal device receives third indication information from the network device, where the third indication information indicates the first time information.
  • the network device can indicate the first time information to the terminal device in real time through the indication information, The terminal device determines the second time-frequency resource according to the instruction information, and performs data transmission with the network device on the second time-frequency resource, thereby improving the reliability of data transmission.
  • the first time information is a time domain offset value of the second time-frequency resource relative to the first time-frequency resource.
  • the first time information is an index of a time unit where the second time-frequency resource is located.
  • this application provides a data transmission method, and the execution subject of the method is a network device or a module in the network device.
  • the network device is taken as the execution subject as an example for description.
  • the network device sends first indication information to the terminal device, the first indication information includes the configuration information of the first time-frequency resource; when the first time-frequency resource is unavailable, the network device receives the fourth indication information from the terminal device, the first indication information 4.
  • the indication information indicates the second time-frequency resource, and the time-domain position of the second time-frequency resource is after the time-domain position of the first time-frequency resource; the network device receives the uplink data from the terminal device on the second time-frequency resource Or, sending downlink data to the terminal device on the above-mentioned second time-frequency resource.
  • the method described in the second aspect is a network-side method corresponding to the method described in the first aspect, so the beneficial effects that can be achieved in the first aspect can also be achieved.
  • the foregoing first time-frequency resource is configuration grant or downlink semi-persistent scheduling.
  • the foregoing first time information is determined according to a postponement rule, and the postponement rule is predefined.
  • the network device sends second indication information to the terminal device, where the second indication information indicates whether to use the postponement rule.
  • the network device sends third indication information to the terminal device, where the third indication information indicates the foregoing first time information.
  • the first time information is a time domain offset value of the second time-frequency resource relative to the first time-frequency resource.
  • the first time information is an index of a time unit where the second time-frequency resource is located.
  • the present application provides a data transmission method, and the execution subject of the method is a terminal device or a module in the terminal device.
  • the terminal device is taken as the execution subject as an example for description.
  • the terminal device receives first instruction information from the network device, where the first instruction information includes configuration information of the first time-frequency resource; when the first time-frequency resource is unavailable, it sends fourth instruction information to the network device, the fourth instruction The information indicates a second time-frequency resource, and the time-domain position of the second time-frequency resource is after the time-domain position of the first time-frequency resource; the terminal device sends uplink data to the network device on the second time-frequency resource, or, The terminal device receives the downlink data from the network device on the above-mentioned second time-frequency resource.
  • the terminal device when the first time-frequency resource is unavailable, the terminal device will postpone the data transmission from the first time-frequency resource to the second time-frequency resource after the first time-frequency resource, and indicate to the network device
  • the second time-frequency resource enables the network device to perform data transmission with the terminal device on the corresponding time-frequency resource, which improves the reliability of data transmission.
  • the present application provides a data transmission method, and the execution subject of the method is a network device or a module in the network device.
  • the network device is taken as the execution subject as an example for description.
  • the network device sends first instruction information to the terminal device, where the first instruction information includes configuration information of the first time-frequency resource; when the first time-frequency resource is unavailable, it receives fourth instruction information from the terminal device, the fourth instruction
  • the information indicates a second time-frequency resource, and the time-domain position of the second time-frequency resource is after the time-domain position of the first time-frequency resource; the network device receives uplink data from the terminal device on the second time-frequency resource, or , Sending the downlink data to the terminal device on the above-mentioned second time-frequency resource.
  • the method described in the fourth aspect is a network-side method corresponding to the method described in the third aspect, so the beneficial effects that the third aspect can achieve can also be achieved.
  • a communication device which includes functional modules for implementing the foregoing first aspect, any possible implementation manner of the first aspect, the third aspect, or any possible implementation manner of the third aspect. .
  • a communication device including functional modules for implementing the foregoing second aspect, any possible implementation manner of the second aspect, the fourth aspect, or any possible implementation manner of the fourth aspect. .
  • a communication device including a processor and an interface circuit, the interface circuit is used to receive signals from other communication devices other than the communication device and transmit them to the processor or send signals from the processor
  • the processor is used to implement the foregoing first aspect, any possible implementation manner of the first aspect, the third aspect, or any possibility of the third aspect through logic circuits or execution code instructions The method in the implementation.
  • a communication device including a processor and an interface circuit
  • the interface circuit is used to receive signals from other communication devices other than the communication device and transmit them to the processor or transfer signals from the processor Sent to other communication devices other than the communication device
  • the processor is used to implement the foregoing second aspect, any possible implementation manner of the second aspect, the fourth aspect, or any of the fourth aspect through logic circuits or execution code instructions Methods in possible implementations.
  • a computer-readable storage medium stores a computer program or instruction. When the computer program or instruction is executed, it realizes any of the aforementioned first aspect and any of the first aspects. , The third aspect, or any possible implementation of the third aspect.
  • a computer-readable storage medium stores a computer program or instruction.
  • the computer program or instruction When executed, it realizes any of the aforementioned second and second aspects.
  • the fourth aspect or any possible implementation of the fourth aspect.
  • a computer program product containing instructions is provided.
  • the instructions are executed, the foregoing first aspect, any possible implementation manner of the first aspect, the third aspect, or any of the third aspects are realized The method in the implementation.
  • the twelfth aspect provides a computer program product containing instructions that, when the instructions are executed, realize the foregoing second aspect, any possible implementation manner of the second aspect, the fourth aspect, or any possibility of the fourth aspect The method in the implementation.
  • a computer program in a thirteenth aspect, includes code or instructions. When the code or instruction is executed, it realizes the foregoing first aspect, any possible implementation manner of the first aspect, the third aspect, or The method in any possible implementation of the third aspect.
  • a computer program in a fourteenth aspect, includes code or instructions. When the code or instruction is executed, it realizes the foregoing second aspect, any possible implementation manner of the second aspect, the fourth aspect, or The method in any possible implementation of the fourth aspect.
  • a chip system in a fifteenth aspect, includes a processor and may also include a memory for implementing at least one of the methods described in the first to fourth aspects.
  • the chip system can be composed of chips, or it can include chips and other discrete devices.
  • a communication system in a sixteenth aspect, includes the device (such as a terminal device) described in the fifth aspect or the seventh aspect and the device (such as a network device) described in the sixth aspect or the eighth aspect.
  • FIG. 1 is a schematic diagram of the architecture of a communication system applied in an embodiment of the application
  • FIG. 6 and FIG. 7 are schematic diagrams of the structure of possible communication devices provided by the embodiments of the application.
  • 5G long term evolution
  • 5G 5th generation
  • WiFi Wireless Fidelity
  • future communication systems e.g., GSM
  • NR new radio
  • eMBB enhanced mobile broadband
  • ultra-reliable low-latency communication ultra -reliable low-latency communication
  • URLLC ultra-reliable low-latency communication
  • MTC machine type communication
  • mMTC massive machine type communications
  • D2D device-to-device
  • V2X vehicle to everything
  • V2V vehicle to vehicle
  • IoT internet of things
  • Communication between communication devices may include: communication between a network device and a terminal device, communication between a network device and a network device, and/or communication between a terminal device and a terminal device.
  • the term “communication” can also be described as "transmission", “information transmission”, or “signal transmission” and so on. Transmission can include sending and/or receiving.
  • the technical solution is described by taking the communication between the network device and the terminal device as an example. Those skilled in the art can also use the technical solution for communication between other scheduling entities and subordinate entities, such as macro base stations and micro base stations.
  • Air interface resources include one or more of the following resources: time domain resources, frequency domain resources, code resources, and space resources.
  • the multiple types may be two, three, four, or more types, which are not limited in the embodiments of the present application.
  • the communication between the network device and the terminal device includes: the network device sends a downlink signal/information to the terminal device, and/or the terminal device sends an uplink signal/information to the network device.
  • "/" can indicate that the associated objects are in an "or” relationship.
  • A/B can indicate A or B; and "and/or” can be used to describe that there are three types of associated objects.
  • the relationship, for example, A and/or B can mean that: A alone exists, A and B exist at the same time, and B exists alone. Among them, A and B can be singular or plural.
  • words such as “first” and “second” may be used to distinguish technical features with the same or similar functions. The words “first” and “second” do not limit the quantity and order of execution, and the words “first” and “second” do not limit the difference.
  • words such as “exemplary” or “for example” are used to indicate examples, illustrations, or illustrations, and embodiments or design solutions described as “exemplary” or “for example” should not be interpreted as It is more preferable or advantageous than other embodiments or design solutions.
  • the use of words such as “exemplary” or “for example” is intended to present related concepts in a specific manner to facilitate understanding.
  • FIG. 1 is a schematic diagram of the architecture of a mobile communication system applied in an embodiment of the present application.
  • the mobile communication system includes a core network device 110, a wireless access network device 120, and at least one terminal device (the terminal device 130 and the terminal device 140 in FIG. 1).
  • the terminal device is connected to the wireless access network device in a wireless manner
  • the wireless access network device is connected to the core network device in a wireless or wired manner.
  • the core network device and the wireless access network device can be separate and different physical devices, or it can integrate the functions of the core network device and the logical function of the wireless access network device on the same physical device, or it can be a physical device. It integrates the functions of part of the core network equipment and part of the wireless access network equipment.
  • the terminal device can be a fixed location, or it can be movable.
  • Fig. 1 is only a schematic diagram.
  • the communication system may also include other network equipment, such as wireless relay equipment and wireless backhaul equipment, which are not shown in Fig. 1.
  • the embodiments of the present application do not limit the number of core network equipment, radio access network equipment, and terminal equipment included in the mobile communication system.
  • Radio access network equipment is the access equipment that terminal equipment accesses to the mobile communication system in a wireless manner. It can be a base station (base station), an evolved base station (evolved NodeB, eNodeB), and a transmission reception point. TRP), the next generation NodeB (gNB) in the 5G mobile communication system, the base station in the future mobile communication system or the access node in the WiFi system, etc.; it can also be a module or unit that completes part of the base station functions, such as It can be a centralized unit (central unit, CU), or a distributed unit (distributed unit, DU).
  • the embodiment of the present application does not limit the specific technology and specific device form adopted by the radio access network device.
  • wireless access network equipment is referred to as network equipment. Unless otherwise specified, network equipment refers to wireless access network equipment.
  • the device used to implement the function of the network device may be a network device; it may also be a device capable of supporting the network device to implement the function, such as a chip system.
  • the device may be installed in the network device or connected to the network.
  • the equipment is matched and used.
  • the device used to implement the functions of the network equipment is a network device as an example to describe the technical solutions provided in the embodiments of the present application.
  • the terminal equipment involved in the embodiments of the present application may also be referred to as a terminal, a user equipment (UE), a mobile station (MS), a mobile terminal (MT), and so on.
  • Terminal equipment can be mobile phones, tablet computers, computers with wireless transceiver functions, virtual reality terminal equipment, augmented reality terminal equipment, wireless terminals in industrial control, wireless terminals in unmanned driving, wireless terminals in remote surgery, and smart grids Wireless terminals in the smart city, wireless terminals in transportation safety, wireless terminals in smart cities, and wireless terminals in smart homes.
  • the embodiments of the present application do not limit the specific technology and specific device form adopted by the terminal device.
  • the device used to implement the function of the terminal device may be a terminal device; it may also be a device capable of supporting the terminal device to implement the function, such as a chip system.
  • the device may be installed in the terminal device or connected to the terminal device. The equipment is matched and used.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • the device used to implement the functions of the terminal device is a terminal device as an example to describe the technical solutions provided by the embodiments of the present application.
  • Network equipment and terminal equipment can be deployed on land, including indoor or outdoor, handheld or vehicle-mounted; they can be deployed on water; or, they can be deployed on airplanes, balloons, or satellites in the air.
  • the embodiments of the present application do not limit the application scenarios of network equipment and terminal equipment.
  • Network equipment and terminal equipment can communicate through licensed spectrum, communicate through unlicensed spectrum, or communicate through licensed spectrum and unlicensed spectrum.
  • Network equipment and terminal equipment can communicate through a frequency spectrum below 6 gigahertz (gigahertz, GHz), communicate through a frequency spectrum above 6 GHz, or communicate using a frequency spectrum below 6 GHz and a frequency spectrum above 6 GHz.
  • the embodiment of the present application does not limit the spectrum resource used between the network device and the terminal device.
  • terminal equipment can access and communicate with network equipment.
  • one network device can manage one or more (for example, 3 or 6, etc.) cells, and the terminal device can access the network device in at least one of the one or more cells, and connect to the terminal device Communicate with network equipment in the cell where it is located.
  • at least one may be one, two, three, or more, which is not limited in the embodiments of the present application.
  • An implementation manner of uplink data transmission between a terminal device and a network device may be grant free, that is, the terminal device uses an unlicensed resource to send uplink data to the network device.
  • the uplink transmission of the terminal equipment does not need to be completed through the scheduling of the network equipment.
  • the terminal device does not need to send a scheduling request (SR) to the network device and wait for the dynamic grant (dynamic grant) of the network device, but can directly use the uplink transmission resource pre-allocated by the network device to The network device sends uplink data.
  • SR scheduling request
  • dynamic grant dynamic grant
  • authorizedization-free transmission is also referred to as “authorization-free scheduling”
  • pre-allocated uplink transmission resources may be referred to as “configured grant (CG)” or uplink configuration grant.
  • One way to implement downlink data transmission between the terminal equipment and the network equipment may be semi-static transmission.
  • semi-static transmission may also be referred to as semi-persistent scheduling (SPS) or downlink semi-static transmission.
  • SPS semi-persistent scheduling
  • DCI downlink control information
  • the terminal device can receive downlink data from the network device on the downlink transmission resource pre-allocated by the network device.
  • DCI downlink control information
  • the foregoing pre-allocated downlink transmission resources may be referred to as downlink SPS resources.
  • the embodiments of the present application provide a data transmission method.
  • the terminal device transmits the data according to the instruction information of the network device and/or the postponement rule. It is extended to the time-frequency resource closest to the time-frequency resource, thereby reducing the time delay of data transmission.
  • the terminal device when the terminal device and the network device are performing data transmission, the terminal device may be in a radio resource control connection (radio resource control_connected, RRC_CONNECTED) state, a radio resource control inactive (radio resource control_inactive, RRC_INACTIVE) state, or Radio resource control idle (radio resource control_idle, RRC_IDLE) state.
  • radio resource control connection radio resource control_connected, RRC_CONNECTED
  • RRC_INACTIVE radio resource control inactive
  • Radio resource control idle radio resource control_idle
  • FIG. 2 is a schematic flowchart of a data transmission method provided by an embodiment of the application. This embodiment relates to a specific process of data transmission between a network device and a terminal device. As shown in Figure 2, the method may include: S101, S102, S103, and S104.
  • a network device sends first indication information to a terminal device, where the first indication information includes configuration information of a first time-frequency resource.
  • the terminal device receives the first indication information from the network device.
  • the first indication information may be an RRC message, for example, an RRC setup (RRCSetup) message, an RRC resume (RRCResume) message, or an RRC connection reconfiguration (RRCConnectionReconfiguration) message.
  • the first time-frequency resource is a configuration grant (CG).
  • the first time-frequency resource is one or more time-domain resources in the first CG, where the first CG is a set of CGs configured by the network device for the terminal device through the first indication information.
  • the network device configures the transmission parameters of the first CG for the terminal device through the first indication information, including one or more of the following parameters: period, open-loop power control related parameters, waveform, redundancy version, redundancy version Sequence, number of repetitions, frequency hopping mode, resource allocation type, hybrid automatic repeat request (HARQ) process number, demodulation reference signal (demodulation reference signal, DMRS) related parameters, modulation and coding scheme (modulation and coding) scheme, MCS) table, resource block group (resource block group, RBG) size, time domain resource location, frequency domain resource location, and MCS.
  • HARQ hybrid automatic repeat request
  • the terminal device can directly use the first CG pre-configured by the network device, or the first CG pre-configured by the network device and activated by physical layer signaling, to send uplink data to the network device , Without the need to send SR to the network device and wait for the dynamic authorization of the network device.
  • the unavailability of the first time-frequency resource can be understood as: the terminal device cannot perform data transmission on the first time-frequency resource.
  • the unavailability of the first time-frequency resource includes but is not limited to any one or more of the following situations.
  • Case 1 The transmission resource of the high-priority service and the first time-frequency resource overlap in the time domain, that is, the first time-frequency resource is preempted by the transmission of the high-priority service.
  • Case 2 In a time division duplex (TDD) system, the first time-frequency resource overlaps with the downlink time slot or downlink symbol in the time domain.
  • TDD time division duplex
  • Case 3 In a system configured with a measurement gap (MG) (that is, the terminal device cannot perform data transmission within the measurement interval), the first time-frequency resource and the measurement interval overlap in the time domain.
  • MG measurement gap
  • Case 4 In the unlicensed spectrum, the terminal device fails to listen before talk (LBT) on the first time-frequency resource. Specifically, in the unlicensed spectrum, in order to perform data transmission, the terminal device must perform channel detection before sending data. If it detects that the channel status is busy, that is, when the channel is occupied, it indicates that the LBT has failed, that is, it is currently unable to access the channel. Data transmission on unlicensed spectrum.
  • LBT listen before talk
  • the unavailability of the first time-frequency resource in Case 1 and Case 4 is uncertain and sudden; the unavailability of the first time-frequency resource in Case 2 and Case 3 is definite, and the network device And the terminal equipment is known before the arrival of the first time-frequency resource.
  • the terminal device When the first time-frequency resource is unavailable, the terminal device obtains first time information, where the first time information is the time-domain offset value of the second time-frequency resource relative to the first time-frequency resource, or the first time information is The index of the time unit where the second time-frequency resource is located, where the time-domain position of the second time-frequency resource is after the time-domain position of the first time-frequency resource.
  • the time unit may be a time slot, frame, subframe, or symbol.
  • the method for the terminal device to obtain the first time information includes the following three obtaining methods.
  • Obtaining method 1 The terminal device determines the first time information according to the postponement rule, and the postponement rule is predefined.
  • the terminal device forwards the data originally carried on the first time-frequency resource to the second time-frequency resource for transmission, where the forwarding rule is: the time when the second time-frequency resource is located
  • the unit is the time unit with the highest position in the time domain among the time units that meet the first condition.
  • the first condition includes: the time unit is located after the time unit where the first time-frequency resource is located; the time unit can send uplink data; and there is no data to be sent that needs to be sent in the time unit.
  • the network device configures a set of CG for the terminal device, denoted as CG1, the first time-frequency resource is the resource of CG1 located in time slot 2, and the first time-frequency resource is preempted by high-priority services, which causes the first time-frequency resource to be preempted by high-priority services.
  • Temporal frequency resources are unavailable. It is assumed that the first condition described above is met and the time slot with the highest position in the time domain is time slot 4, that is, the terminal device determines that the time slot where the second time-frequency resource is located is time slot 4 according to the extension rule.
  • the first time information is: the time domain offset value of the second time-frequency resource relative to the first time-frequency resource is 2 time slots, or the first time information is: the time unit where the second time-frequency resource is located The index is 4.
  • the foregoing first condition may further include one or more of the following conditions:
  • the time domain interval between the time unit and the time unit of the first time-frequency resource is not greater than the threshold, which is configured by the network device for the terminal device; when the second time-frequency resource is CG, the The HARQ process number corresponding to the CG is the same as the HARQ process number corresponding to the first time-frequency resource.
  • the aforementioned postponement rule is no longer valid.
  • the network device configures one or more sets of CGs for the terminal device, and the first time-frequency resource is part of the time-frequency resources in the one or more sets of CGs.
  • the network device reconfigures the time domain and/or frequency domain positions of the one or more sets of CGs through the RRC message or DCI, the aforementioned postponement rule is no longer valid.
  • the aforementioned postponement rule is no longer valid.
  • the aforementioned postponement rule is no longer valid.
  • the aforementioned postponement rule is no longer valid.
  • the terminal device receives the second indication information from the network device, and the terminal device determines the first time information according to the second indication information and the postponement rule, and the postponement rule is predefined. Specifically including operation 1 and operation 2.
  • Operation 1 The network device sends second indication information to the terminal device, where the second indication information indicates whether the terminal device Use postponement rules.
  • the terminal device receives the second indication information from the network device.
  • the second indication information may be an RRC message, for example, an RRC setup message, an RRC recovery message, or an RRC connection reconfiguration message.
  • the second indication information and the first indication information may be the same message or different messages.
  • the manner in which the second indication information indicates whether the terminal device uses the aforementioned postponement rule may include the following two manners.
  • the second indication information includes the first information element, and the first information element uses 1 bit to indicate whether the terminal device uses the postponement rule. When the value of this bit is "1", it means that the second indication information indicates that the terminal device uses the postponement rule. When the value of the first information element is "0”, it means that the second indication information indicates that the terminal device does not use the postponement rule. Or, when the value of the first information element is "0", it means that the second indication information instructs the terminal device to use the postponement rule, and when the value of the first information element is "1", it means that the second indication information is Instruct terminal equipment not to use postponement rules.
  • the second indication information includes a second information element.
  • the second information element indicates whether each MAC entity of the terminal device uses a postponement rule through n1 bits, where n1 represents the number of MAC entities of the terminal device, and the n1 bit Each bit corresponds to each MAC entity of the terminal device, and the network device configures different CGs for different MAC entities.
  • n1 bits represents the number of MAC entities of the terminal device
  • the network device configures different CGs for different MAC entities.
  • the second indication information indicates that the terminal device uses the postponement rule of the CG configured by the MAC entity corresponding to the bit.
  • the second indication information indicates that the CG configured by the MAC entity corresponding to the bit of the terminal device does not use the postponement rule; or, when the value of any one of the n1 bits is "0", it means the first
  • the second indication information indicates that the terminal device uses the postponement rule of the CG configured by the MAC entity corresponding to the bit.
  • the value of the first information element is "1”
  • the second indication information indicates that the terminal device corresponds to the MAC entity corresponding to the bit.
  • the configured CG does not use postponement rules.
  • the second indication information includes a third information element, which indicates whether each set of CGs uses a postponement rule through n2 bits, where n2 indicates that the network device configures n2 sets of CG for the terminal device, and each of the n2 bits One bit corresponds to each set of CG of the terminal device. When the value of any one of the n2 bits is "1", it means that the second indication information indicates that the terminal device uses the postponement rule for the CG corresponding to the bit.
  • the second indication information includes a fourth cell, and the fourth cell uses n3 bits to indicate whether the data in each logical channel uses the prolongation rule, where n3 indicates that the terminal device is associated with n3 logical channels, and the n3 bits Each bit of corresponds to each logical channel. When the value of any one of the n3 bits is "1", it means that the second indication information indicates that the data in the logical channel corresponding to this bit of the terminal device uses the postponement rule when using CG transmission.
  • the second indication information indicates that the data in the logical channel corresponding to the bit of the terminal device does not use the postponement rule when using CG transmission; or, when the value of any one of the n3 bits is When it is "0", it means that the second indication information indicates that the data in the logical channel corresponding to the bit of the terminal device uses the postponement rule when using CG transmission.
  • the value of the first cell is "1" it means the second The indication information indicates that the data in the logical channel corresponding to the bit of the terminal device does not use the postponement rule when using CG transmission.
  • Operation 2 The terminal device determines the first time information according to the second indication information and the postponement rule, and the postponement rule is the advance Defined.
  • the terminal device determines the first time information according to the postponement rule, and the method for determining the first time information according to the postponement rule refers to the description in the first acquisition method.
  • Obtaining method 3 The terminal device receives third indication information from the network device, where the third indication information indicates the above-mentioned first time information.
  • the third indication information may be an RRC message, a medium access control (medium access control, MAC) message, or DCI.
  • the time domain location of the time-frequency resource carrying the third indication information is no later than the aforementioned first time-frequency resource location.
  • the third indication information indicates the time unit index where the first time-frequency resource is located and the time unit index where the second time-frequency resource is located.
  • the terminal device determines the time unit where the second time-frequency resource is located according to the above index.
  • the data originally carried on the first time-frequency resource is postponed to the second time-frequency resource for transmission.
  • the third indication information indicates the time unit index where the first time-frequency resource is located and the time-domain offset value of the second time-frequency resource relative to the first time-frequency resource.
  • the terminal device determines the time unit where the second time-frequency resource is located according to the above index and the time domain offset value.
  • the data originally carried on the first time-frequency resource is postponed to the second time-frequency resource for transmission.
  • the third indication information indicates that the time slot in which the first time-frequency resource is located is time slot 1, and the time-domain offset value of the second time-frequency resource relative to the first time-frequency resource is 2 time slots, that is, the original The data carried in time slot 1 is postponed to time slot 3 for transmission.
  • the network device can implicitly indicate the time unit index where the first time-frequency resource is located.
  • the network device when the first time-frequency resource is unavailable because the time unit in which the first time-frequency resource is located is a downlink time unit, the network device sends third indication information in the time unit, and the third indication information Implicitly indicating the time unit where the first time-frequency resource is located, that is, the time unit where the first time-frequency resource is located is the time unit where the terminal device receives the third indication information.
  • the third indication information also indicates the index of the CG where the first time-frequency resource is located.
  • the network device configures CG1 and CG2 for the terminal device, and the CG where the first time-frequency resource is located is CG1.
  • the network device indicates the index of CG1, the index of the time unit where the first time-frequency resource is located, and the first time information through the third indication information.
  • the terminal device determines a second time-frequency resource according to the first time information and the first time-frequency resource, and the time-domain position of the second time-frequency resource is after the time-domain position of the first time-frequency resource.
  • the terminal device determines the second time-frequency resource according to the index and the first time-frequency resource. Specifically, the terminal device determines the time unit where the second time-frequency resource is located according to the index, and after determining the time unit where the second time-frequency resource is located, the terminal device moves the first time-frequency resource to the time unit where the second time-frequency resource is located , Which is the second time-frequency resource, where "move" means the start symbol, time domain length, start resource block (resource block, RB), frequency domain width, and first time-frequency resource of the second time-frequency resource be consistent.
  • the terminal device determines the second time-frequency resource according to the time-domain offset value and the first time-frequency resource. Specifically, the terminal device determines the time unit where the second time-frequency resource is located according to the time domain offset value and the time unit where the first time-frequency resource is located. Exemplarily, the time unit where the first time-frequency resource is located is time slot 1, and the time domain offset value is 2 time slots, then the time unit where the second time-frequency resource is located is time slot 3. After determining the time unit where the second time-frequency resource is located, the terminal device moves the first time-frequency resource to the time unit where the second time-frequency resource is located, which is the second time-frequency resource.
  • the terminal device sends uplink data to the network device on the second time-frequency resource.
  • the network device receives the uplink data from the terminal device on the second time-frequency resource.
  • the terminal device when the first time-frequency resource used by the terminal device to transmit uplink data is unavailable, the terminal device extends the data transmission from the first time-frequency resource to the distance according to the instruction information of the network device and/or the postponement rule.
  • the first time-frequency resource is the closest time-frequency resource, thereby reducing the time delay of data transmission.
  • FIG. 3 is a schematic flowchart of a data transmission method provided by an embodiment of the application. This embodiment relates to a specific process of uplink data transmission between a network device and a terminal device. As shown in FIG. 3, the method may include: S201, S202, and S203.
  • the network device sends first indication information to the terminal device, where the first indication information includes configuration information of the first time-frequency resource.
  • the terminal device receives the first indication information from the network device. For specific description, refer to step S101 in FIG. 2.
  • the terminal device sends fourth indication information to the network device, where the fourth indication information indicates the second time-frequency resource, and the time-domain position of the second time-frequency resource is in the first time-frequency resource. After the time domain location of the resource. For the situation that the first time-frequency resource is unavailable, refer to the description in step S102.
  • the fourth indication information may be an RRC message, a MAC message, or uplink control information (UCI).
  • the terminal device sends the fourth indication information to the network device on the time-frequency resource before the position of the first time-frequency resource.
  • the fourth indication information indicates the time unit index where the first time-frequency resource is located and the time unit index where the second time-frequency resource is located.
  • the network device determines the time unit where the second time-frequency resource is located according to the above index, and the data originally carried on the first time-frequency resource is postponed to the second time-frequency resource for transmission.
  • the fourth indication information indicates the index of the time unit where the first time-frequency resource is located and the time-domain offset value of the second time-frequency resource relative to the first time-frequency resource.
  • the network device determines the time unit where the second time-frequency resource is located according to the index and the time-domain offset value, and the data originally carried on the first time-frequency resource is postponed to the second time-frequency resource for transmission.
  • the fourth indication information indicates that the time slot in which the first time-frequency resource is located is time slot 1, and the time domain offset value of the second time-frequency resource relative to the first time-frequency resource is 2 time slots.
  • the network device determines that the time slot in which the second time-frequency resource is located is time slot 3 according to the index and the time domain offset value, that is, the data originally carried in time slot 1 is extended to time slot 3 for transmission.
  • the fourth indication information further indicates the index of the CG where the first time-frequency resource is located.
  • the network device configures CG1 and CG2 for the terminal device, and the CG where the first time-frequency resource is located is CG1.
  • the network device indicates the index of CG1, the index of the time unit where the first time-frequency resource is located, and the index of the time unit where the second time-frequency resource is located and the time of the second time-frequency resource relative to the first time-frequency resource through the fourth indication information. Any of the domain offset values.
  • S203 The terminal device sends uplink data to the network device on the second time-frequency resource.
  • the network device receives the uplink data from the terminal device on the second time-frequency resource.
  • the terminal device when the first time-frequency resource is unavailable due to the LBT failure of the terminal device, since the network device cannot predict that the first time-frequency resource is unavailable, the terminal device extends the data transmission from the first time-frequency resource to the distance from the first time-frequency resource.
  • the one-time-frequency resource is the nearest time-frequency resource, and indicates the postponed information to the network device, so that the network device can receive the data of the terminal device on the corresponding time-frequency resource, which improves the reliability of data transmission.
  • FIG. 4 is a schematic flowchart of a data transmission method provided by an embodiment of this application. This embodiment relates to a specific process of downlink data transmission between a network device and a terminal device. As shown in Figure 4, the method may include: S301, S302, S303, and S304.
  • the network device sends first indication information to the terminal device, where the first indication information includes configuration information of the first time-frequency resource.
  • the terminal device receives the first indication information from the network device.
  • the first indication information may be an RRC message, a MAC message, or physical layer signaling.
  • the first time-frequency resource is a downlink SPS resource.
  • the first time-frequency resource is one or more time-domain resources in the first SPS, where the first SPS is a set of SPS resources configured by the network device for the terminal device through the first indication information.
  • the network device configures the first SPS transmission parameters for the terminal device through the first indication information, including: period, HARQ process number, time domain resource location, frequency domain resource location, MCS, etc.
  • the terminal device receives downlink data from the network device on the first SPS resource.
  • the unavailability of the first time-frequency resource includes but is not limited to one of the following situations.
  • Case 1 The transmission resource of the high-priority service and the first time-frequency resource overlap in the time domain, that is, the first time-frequency resource is preempted by the transmission of the high-priority service.
  • Case 2 In the TDD system, the first time-frequency resource overlaps with the uplink time slot or uplink symbol in the time domain.
  • Case 3 In a system configured with a measurement interval, the first time-frequency resource and the measurement interval overlap in the time domain.
  • Case 4 In the unlicensed spectrum, the network device fails to perform LBT on the first time-frequency resource. Specifically, in the unlicensed spectrum, in order to seize the channel, the network device must perform channel detection before sending data. If the detected channel status is busy, that is, when the channel is occupied, it indicates that the LBT has failed.
  • Case 5 The terminal device does not receive the downlink data from the network device on the first time-frequency resource. Specifically, the terminal device does not receive the pilot signal on the first time-frequency resource.
  • the unavailability of the first time-frequency resource in Case 1, Case 4 and Case 5 is uncertain and sudden; the unavailability of the first time-frequency resource in Case 2 and Case 3 is definite , The network equipment and the terminal equipment are known before the arrival of the first time-frequency resource.
  • the terminal device obtains first time information, where the first time information is the time-domain offset value of the second time-frequency resource relative to the first time-frequency resource, or the first time information is The index of the time unit where the second time-frequency resource is located, where the time-domain position of the second time-frequency resource is after the time-domain position of the first time-frequency resource.
  • the method for the terminal device to obtain the first time information includes the following three obtaining methods.
  • Obtaining method 1 The terminal device determines the first time information according to the postponement rule, and the postponement rule is predefined.
  • the network device forwards the data originally carried on the first time-frequency resource to the second time-frequency resource for transmission, where the forwarding rule is: the time when the second time-frequency resource is located
  • the unit is the time unit with the highest position in the time domain among the time units that meet the second condition.
  • the second condition includes: the time unit is located after the time unit where the first time-frequency resource is located; the time unit can send downlink data; and there is no data to be sent that needs to be sent in the time unit.
  • the network device configures a set of SPS for the terminal device, which is SPS1.
  • the first time-frequency resource is the resource of SPS1 located in time slot 2.
  • the first time-frequency resource is preempted by high-priority services, causing the first Time-frequency resources are unavailable.
  • the time slot that satisfies the above second condition and has the highest position in the time domain is time slot 4, that is, the terminal device determines that the time slot in which the second time-frequency resource is located is time slot 4 according to the extension rule.
  • the first time information is: the time domain offset value of the second time-frequency resource relative to the first time-frequency resource is 2 time slots, or the first time information is: the time unit where the second time-frequency resource is located
  • the index is 4.
  • the foregoing second condition may also include one or more of the following conditions: the time domain interval between the time unit and the time unit of the first time-frequency resource is not greater than a threshold, and the threshold is that the network device is Configured by the terminal device; when the second time-frequency resource is an SPS, the HARQ process number corresponding to the SPS in the time unit is the same as the HARQ process number corresponding to the first time-frequency resource.
  • the aforementioned postponement rule is no longer valid.
  • the network device configures one or more sets of SPS for the terminal device, and the first time-frequency resource is part of the time-frequency resource in the one or more sets of SPS.
  • the network device reconfigures the time domain and/or frequency domain positions of the one or more sets of SPS through the RRC message or DCI, the aforementioned postponement rule is no longer valid.
  • the aforementioned postponement rule is no longer valid.
  • the SPS where the first time-frequency resource is located is deactivated, or when the BWP or the serving cell where the first time-frequency resource is located is deactivated, the aforementioned postponement rule is no longer valid.
  • the terminal device receives the second indication information from the network device, and the terminal device determines the first time information according to the second indication information and the postponement rule, and the postponement rule is predefined.
  • step S102 For the specific description of the second acquisition method, refer to the description of the second acquisition method in step S102, that is, replace the CG in the second acquisition method with SPS.
  • Obtaining method 3 The terminal device receives third indication information from the network device, where the third indication information indicates the above-mentioned first time information.
  • the third indication information may be an RRC message, a MAC message, or DCI.
  • the time domain location of the time-frequency resource carrying the third indication information is no later than the aforementioned first time-frequency resource location.
  • the third indication information indicates the time unit index where the first time-frequency resource is located and the time unit index where the second time-frequency resource is located.
  • the terminal device determines the time unit where the second time-frequency resource is located according to the above index.
  • the data originally carried on the first time-frequency resource is postponed to the second time-frequency resource for transmission.
  • the third indication information indicates the time unit index where the first time-frequency resource is located and the time-domain offset value of the second time-frequency resource relative to the first time-frequency resource.
  • the terminal device determines the time unit where the second time-frequency resource is located according to the above index and the time domain offset value.
  • the data originally carried on the first time-frequency resource is postponed to the second time-frequency resource for transmission.
  • the third indication information indicates that the time slot in which the first time-frequency resource is located is time slot 1, and the time-domain offset value of the second time-frequency resource relative to the first time-frequency resource is 2 time slots, that is, the original The data carried in time slot 1 is postponed to time slot 3 for transmission.
  • the terminal device determines a second time-frequency resource according to the first time information and the first time-frequency resource, and the time-domain position of the second time-frequency resource is after the time-domain position of the first time-frequency resource. Participate in step S103 in FIG. 1 for a detailed description.
  • the network device sends uplink data to the terminal device on the second time-frequency resource.
  • the terminal device receives the downlink data from the network device on the second time-frequency resource.
  • the network device when the first time-frequency resource for transmitting downlink data is unavailable, the network device will postpone the downlink transmission on the first time-frequency resource to the second time-frequency resource, and notify the postponement information through the indication information
  • the terminal counts the device, so that the terminal device can receive the data of the network device on the corresponding time-frequency resource, which improves the reliability of data transmission.
  • FIG. 5 is a schematic flowchart of a data transmission method provided by an embodiment of this application. This embodiment relates to a specific process of downlink data transmission between a network device and a terminal device. As shown in FIG. 5, the method may include: S401, S402, and S403.
  • the network device sends first indication information to the terminal device, where the first indication information includes configuration information of the first time-frequency resource.
  • the terminal device receives the first indication information from the network device. For specific description, refer to step S301 in FIG. 4.
  • the terminal device When the first time-frequency resource is unavailable, the terminal device sends fourth indication information to the network device, where the fourth indication information indicates the second time-frequency resource.
  • the time domain position of the second time-frequency resource is after the time domain position of the first time-frequency resource.
  • the fourth indication information may be an RRC message, a MAC message, or UCI.
  • the time-frequency resource carrying the fourth indication information is no later than the above-mentioned first time-frequency resource.
  • the fourth indication information indicates the time unit index where the first time-frequency resource is located and the time unit index where the second time-frequency resource is located.
  • the network device determines the time unit where the second time-frequency resource is located according to the above index, and the data originally carried on the first time-frequency resource is postponed to the second time-frequency resource for transmission.
  • the fourth indication information indicates the index of the time unit where the first time-frequency resource is located and the time-domain offset value of the second time-frequency resource relative to the first time-frequency resource.
  • the network device determines the time unit where the second time-frequency resource is located according to the index and the time-domain offset value, and the data originally carried on the first time-frequency resource is postponed to the second time-frequency resource for transmission.
  • the terminal device can implicitly indicate the time unit index where the first time-frequency resource is located.
  • the terminal device when the first time-frequency resource is unavailable because the time unit in which the first time-frequency resource is located is an uplink time unit, the terminal device sends fourth indication information in the time unit, and the fourth indication information Implicitly indicating the time unit where the first time-frequency resource is located, that is, the time unit where the first time-frequency resource is located is the time unit where the network device receives the fourth indication information.
  • the network device sends uplink data to the terminal device on the second time-frequency resource.
  • the terminal device receives the downlink data from the network device on the second time-frequency resource.
  • the terminal device when the first time-frequency resource used by the terminal device to transmit uplink data is preempted by higher-priority uplink data, the terminal device can extend the transmission of the uplink data from the first time-frequency resource to the distance from the first time-frequency resource.
  • the first time-frequency resource is the closest time-frequency resource, and indicates the postponed information to the network device, so that the network device can receive the uplink data on the corresponding time-frequency resource, which improves the reliability of data transmission.
  • the terminal device delays the data transmission from the first time-frequency resource to the time-frequency resource closest to the first time-frequency resource according to the instruction information of the network device and/or the delay rule, thereby reducing the delay of data transmission.
  • the network device and the terminal device include hardware structures and/or software modules corresponding to each function.
  • the present application can be implemented in the form of hardware, software, or a combination of hardware and software. Whether a certain function is executed by hardware, software, or computer software-driven hardware depends on the specific application scenarios and design constraints of the technical solution.
  • FIG. 6 and FIG. 7 are schematic diagrams of the structure of possible communication devices provided by the embodiments of the application. These communication devices can be used to implement the functions of the terminal device or the network device in the foregoing method embodiment, and therefore can also achieve the beneficial effects of the foregoing method embodiment.
  • the communication device may be the terminal device 130 or the terminal device 140 shown in FIG. 1, or the wireless access network device 120 shown in FIG. 1, or it may be applied to the terminal device. Or a module of a network device (such as a chip).
  • the communication device 600 includes a processing unit 610 and a transceiving unit 620.
  • the communication device 600 is used to implement the functions of the terminal device or the network device in the method embodiments shown in FIG. 2 to FIG. 5.
  • the transceiver unit 620 is used to receive first indication information from the network device, the first indication information including the configuration of the first time-frequency resource Information; the processing unit 610 is configured to obtain first time information when the first time-frequency resource is unavailable; the processing unit 610 is also configured to determine the second time-frequency resource according to the first time information and the first time-frequency resource, the The time domain position of the second time-frequency resource is after the time domain position of the first time-frequency resource; the transceiver unit 620 is further configured to send uplink data to the network device on the second time-frequency resource.
  • the transceiver unit 620 is used to send first indication information to the terminal device, where the first indication information includes configuration information of the first time-frequency resource
  • the processing unit 610 is configured to determine a second time-frequency resource according to the first time information and the first time-frequency resource when the first time-frequency resource is unavailable, and the time-domain position of the second time-frequency resource is in the first time After the time-domain position of the frequency resource; the transceiver unit 620 is further configured to receive uplink data from the terminal device on the second time-frequency resource.
  • the transceiver unit 620 is used to receive first indication information from the network device, the first indication information including the configuration of the first time-frequency resource Information; the transceiver unit 620 is further configured to send fourth indication information to the network device when the first time-frequency resource is unavailable, the fourth indication information indicates the second time-frequency resource, and the time-domain position of the second time-frequency resource is After the time domain position of the first time-frequency resource; the transceiver unit 620 is further configured to send uplink data to the network device on the second time-frequency resource.
  • the transceiver unit 620 is used to send first indication information to the terminal device, where the first indication information includes configuration information of the first time-frequency resource
  • the transceiving unit 620 is also configured to receive fourth indication information from the terminal device when the above-mentioned first time-frequency resource is unavailable, the fourth indication information indicates the second time-frequency resource, and the time-domain position of the second time-frequency resource is After the time domain position of the first time-frequency resource; the transceiver unit 620 is further configured to receive uplink data from the terminal device on the second time-frequency resource.
  • the transceiver unit 620 is used to receive first indication information from the network device, the first indication information including the configuration of the first time-frequency resource
  • the processing unit 610 is configured to obtain first time information when the first time-frequency resource is unavailable; the processing unit 610 is also configured to determine the second time-frequency resource according to the first time information and the first time-frequency resource, the The time domain position of the second time-frequency resource is after the time domain position of the first time-frequency resource; the transceiver unit 620 is further configured to receive downlink data from the network device on the second time-frequency resource.
  • the transceiver unit 620 is used to send first indication information to the terminal device, where the first indication information includes configuration information of the first time-frequency resource
  • the processing unit 610 is configured to determine a second time-frequency resource according to the first time information and the first time-frequency resource when the first time-frequency resource is unavailable, and the time-domain position of the second time-frequency resource is in the first time After the time-domain position of the frequency resource; the transceiver unit 620 is further configured to send downlink data to the terminal device on the above-mentioned second time-frequency resource.
  • the transceiving unit 620 is used to receive first indication information from the network device, the first indication information including the configuration of the first time-frequency resource Information; the transceiver unit 620 is also configured to send fourth indication information to the network device when the first time-frequency resource is unavailable, the fourth indication information indicates the second time-frequency resource, and the time-domain position of the second time-frequency resource is After the time domain position of the first time-frequency resource; the transceiver unit 620 is further configured to receive downlink data from the network device on the second time-frequency resource.
  • the transceiver unit 620 is used to send first indication information to the terminal device, where the first indication information includes configuration information of the first time-frequency resource
  • the transceiving unit 620 is also configured to receive fourth indication information from the terminal device when the above-mentioned first time-frequency resource is unavailable, the fourth indication information indicates the second time-frequency resource, and the time-domain position of the second time-frequency resource is After the time domain position of the first time-frequency resource; the transceiver unit 620 is further configured to send downlink data to the terminal device on the second time-frequency resource.
  • processing unit 610 and the transceiver unit 620 can be obtained directly by referring to the relevant descriptions in the method embodiments shown in FIG. 2 to FIG. 5, and will not be repeated here.
  • the communication device 700 includes a processor 710 and an interface circuit 720.
  • the processor 710 and the interface circuit 720 are coupled to each other.
  • the interface circuit 720 may be a transceiver or an input/output interface.
  • the communication device 700 may further include a memory 730 for storing instructions executed by the processor 710 or storing input data required by the processor 710 to run the instructions or storing data generated after the processor 710 runs the instructions.
  • the processor 710 is used to implement the function of the above-mentioned processing unit 610
  • the interface circuit 720 is used to implement the function of the above-mentioned transceiving unit 620.
  • the terminal device chip When the foregoing communication device is a chip applied to a terminal device, the terminal device chip implements the function of the terminal device in the foregoing method embodiment.
  • the terminal device chip receives information from other modules in the terminal device (such as a radio frequency module or antenna), and the information is sent by the network device to the terminal device; or, the terminal device chip sends information to other modules in the terminal device (such as a radio frequency module or antenna).
  • the antenna sends information, which is sent by the terminal device to the network device.
  • the network device chip implements the function of the network device in the foregoing method embodiment.
  • the network device chip receives information from other modules in the network device (such as radio frequency modules or antennas), and the information is sent by the terminal device to the network device; or, the network device chip sends information to other modules in the network device (such as radio frequency modules or antennas).
  • the antenna sends information, which is sent by the network device to the terminal device.
  • the processor in the embodiments of the present application may be a central processing unit (Central Processing Unit, CPU), or other general-purpose processors, digital signal processors (Digital Signal Processors, DSPs), and application specific integrated circuits. (Application Specific Integrated Circuit, ASIC), Field Programmable Gate Array (Field Programmable Gate Array, FPGA) or other programmable logic devices, transistor logic devices, hardware components, or any combination thereof.
  • the general-purpose processor may be a microprocessor or any conventional processor.
  • the processor may be random access memory (Random Access Memory, RAM), flash memory, read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable Except programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM), registers, hard disk, mobile hard disk, CD-ROM or any other form of storage medium known in the art middle.
  • An exemplary storage medium is coupled to the processor, so that the processor can read information from the storage medium and write information to the storage medium.
  • the storage medium may also be an integral part of the processor.
  • the processor and the storage medium may be located in the ASIC.
  • the ASIC can be located in a network device or a terminal device.
  • the processor and the storage medium may also exist as discrete components in the network device or the terminal device.
  • the computer program product includes one or more computer programs or instructions.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, a network device, a terminal device, or other programmable devices.
  • the computer program or instruction may be stored in a computer-readable storage medium or transmitted through the computer-readable storage medium.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server integrating one or more available media.
  • the usable medium may be a magnetic medium, such as a floppy disk, a hard disk, and a magnetic tape; it may also be an optical medium, such as a DVD; and it may also be a semiconductor medium, such as a solid state disk (SSD).

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Abstract

本申请实施例提供了数据传输的方法和装置，当终端设备用于数据传输的时频资源不可用时，终端设备根据网络设备的指示信息，和/或顺延规则，将该数据传输顺延至距离该时频资源最近的时频资源，从而降低数据传输的时延。

Description

数据传输的方法和装置
本申请要求在2020年04月17日提交中国专利局、申请号为202010303300.2、申请名称为“数据传输的方法和装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请实施例涉及无线通信领域，尤其涉及数据传输的方法和装置。
背景技术
第五代(5th generation，5G)移动通信系统与第四代(4th generation，4G)移动通信系统相比的一大显著特征就是增加了对超可靠低时延通信(ultra-reliable and low-latency communications,URLLC)业务的支持。URLLC的业务种类包括很多种，典型的用例包括工业控制、无人驾驶、远程手术和智能电网等。对于URLLC业务，一个典型需求是在1毫秒(millisecond，ms)内发送32字节的数据的可靠性要达到99.999％。需要指出的是，上述性能指标仅是个示例，不同的URLLC业务可能对可靠性有不同的需求，比如在某些极端苛刻的工业控制应用场景中，URLLC业务数据的传输成功概率需要在0.25ms内达到99.9999999％。
发明内容
本申请提供了一种数据传输的方法和装置，用于降低数据传输的时延。
第一方面，本申请提供了一种数据传输的方法，该方法的执行主体为终端设备或终端设备中的一个模块。这里以终端设备为执行主体为例进行描述。终端设备接收来自网络设备的第一指示信息，该第一指示信息包括第一时频资源的配置信息；当上述第一时频资源不可用时，终端设备获取第一时间信息；终端设备根据上述第一时间信息和上述第一时频资源确定第二时频资源，该第二时频资源的时域位置在上述第一时频资源的时域位置之后；终端设备在上述第二时频资源上向网络设备发送上行数据，或，终端设备在上述第二时频资源上接收来自网络设备的下行数据。
通过实施第一方面所描述的方法，当终端设备用于数据传输的第一时频资源不可用时，终端设备获取第一时间信息，终端设备根据第一时间信息和第一时频资源确定第二时频资源，并将该数据传输从第一时频资源顺延至第一时频资源之后的第二时频资源，从而降低了由于第一时频资源不可用带来的时延影响，降低了数据传输的时延。
在第一方面的一种可能的实现方式中，上述第一时频资源为配置授权(CG)或下行半静态调度(SPS)。
在第一方面的一种可能的实现方式中，上述获取第一时间信息，具体包括：终端设备根据顺延规则确定上述第一时间信息，该顺延规则为预定义的。通过实施该方法，终端设备可以根据预定义的顺延规则确定第一时间信息，从而确定第二时频资源，而不需要网络设备通过指示信息指示第二时频资源，从而降低了信令开销。
在第一方面的一种可能的实现方式中，上述根据顺延规则确定所述第一时间信息，具体包括：终端设备接收来自网络设备的第二指示信息，该第二指示信息指示是否使用上述顺延规则；终端设备根据上述第二指示信息和顺延规则确定上述第一时间信息。通过实施 该方法，网络设备可以通过指示信息配置终端设备是否使用顺延规则，提高了资源配置的灵活度。
在第一方面的一种可能的实现方式中，上述获取第一时间信息，具体包括：终端设备接收来自网络设备的第三指示信息，该第三指示信息指示上述第一时间信息。通过实施该方法，当网络设备由于信道接入失败导致第一时频资源不可用并且终端设备无法预知该时频资源不可用时，网络设备可以通过指示信息实时地向终端设备指示第一时间信息，终端设备根据该指示信息确定第二时频资源，并在第二时频资源上与网络设备进行数据传输，从而提高了数据传输的可靠性。
在第一方面的一种可能的实现方式中，上述第一时间信息为上述第二时频资源相对于上述第一时频资源的时域偏移值。
在第一方面的一种可能的实现方式中，上述第一时间信息为上述第二时频资源所在的时间单元的索引。
第二方面，本申请提供了一种数据传输的方法，该方法的执行主体为网络设备或网络设备中的一个模块。这里以网络设备为执行主体为例进行描述。网络设备向终端设备发送第一指示信息，该第一指示信息包括第一时频资源的配置信息；当上述第一时频资源不可用时，网络设备接收来自终端设备的第四指示信息，该第四指示信息指示第二时频资源，该第二时频资源的时域位置在上述第一时频资源的时域位置之后；网络设备在上述第二时频资源上接收来自终端设备的上行数据，或，在上述第二时频资源上向终端设备发送下行数据。
第二方面所描述的方法是与第一方面所描述的方法相对应的网络侧的方法，因此也能实现第一方面所能达到的有益效果。
在第二方面的一种可能的实现方式中，上述第一时频资源为配置授权或下行半静态调度。
在第二方面的一种可能的实现方式中，上述第一时间信息是根据顺延规则确定的，该顺延规则为预定义的。
在第二方面的一种可能的实现方式中，网络设备向终端设备发送第二指示信息，该第二指示信息指示是否使用所述顺延规则。
在第二方面的一种可能的实现方式中，网络设备向终端设备发送第三指示信息，该第三指示信息指示上述第一时间信息。
在第二方面的一种可能的实现方式中，上述第一时间信息为上述第二时频资源相对于上述第一时频资源的时域偏移值。
在第二方面的一种可能的实现方式中，上述第一时间信息为上述第二时频资源所在的时间单元的索引。
第三方面，本申请提供了一种数据传输的方法，该方法的执行主体为终端设备或终端设备中的一个模块。这里以终端设备为执行主体为例进行描述。终端设备接收来自网络设备的第一指示信息，该第一指示信息包括第一时频资源的配置信息；当上述第一时频资源不可用时，向网络设备发送第四指示信息，该第四指示信息指示第二时频资源，该第二时频资源的时域位置在上述第一时频资源的时域位置之后；终端设备在上述第二时频资源上向网络设备发送上行数据，或，终端设备在上述第二时频资源上接收来自网络设备的下行数据。
通过实施第三方面所描述的方法，当第一时频资源不可用时，终端设备将数据传输从第一时频资源顺延至第一时频资源之后的第二时频资源，并向网络设备指示该第二时频资源，从而使得网络设备可以在相应的时频资源上与终端设备进行数据传输，提高了数据传输的可靠性。
第四方面，本申请提供了一种数据传输的方法，该方法的执行主体为网络设备或网络设备中的一个模块。这里以网络设备为执行主体为例进行描述。网络设备向终端设备发送第一指示信息，该第一指示信息包括第一时频资源的配置信息；当上述第一时频资源不可用时，接收来自终端设备的第四指示信息，该第四指示信息指示第二时频资源，该第二时频资源的时域位置在上述第一时频资源的时域位置之后；网络设备在上述第二时频资源上接收来自终端设备的上行数据，或，在上述第二时频资源上向终端设备发送下行数据。
第四方面所描述的方法是与第三方面所描述的方法相对应的网络侧的方法，因此也能实现第三方面所能达到的有益效果。
第五方面，提供了一种通信装置，包括用于实现前述第一方面、第一方面的任意可能的实现方式、第三方面、或第三方面的任意可能的实现方式中的方法的功能模块。
第六方面，提供了一种通信装置，包括用于实现前述第二方面、第二方面的任意可能的实现方式、第四方面、或第四方面的任意可能的实现方式中的方法的功能模块。
第七方面，提供了一种通信装置，包括处理器和接口电路，接口电路用于接收来自该通信装置之外的其它通信装置的信号并传输至该处理器或将来自该处理器的信号发送给该通信装置之外的其它通信装置，该处理器通过逻辑电路或执行代码指令用于实现前述第一方面、第一方面的任意可能的实现方式、第三方面、或第三方面的任意可能的实现方式中的方法。
第八方面，提供了一种通信装置，包括处理器和接口电路，该接口电路用于接收来自该通信装置之外的其它通信装置的信号并传输至该处理器或将来自该处理器的信号发送给该通信装置之外的其它通信装置，该处理器通过逻辑电路或执行代码指令用于实现前述第二方面、第二方面的任意可能的实现方式、第四方面、或第四方面的任意可能的实现方式中的方法。
第九方面，提供了一种计算机可读存储介质，该计算机可读存储介质中存储有计算机程序或指令，当该计算机程序或指令被执行时，实现前述第一方面、第一方面的任意可能的实现方式、第三方面、或第三方面的任意可能的实现方式中的方法。
第十方面，提供了一种计算机可读存储介质，该计算机可读存储介质中存储有计算机程序或指令，当该计算机程序或指令被执行时，实现前述第二方面、第二方面的任意可能的实现方式、第四方面、或第四方面的任意可能的实现方式中的方法。
第十一方面，提供了一种包含指令的计算机程序产品，当该指令被运行时，实现前述第一方面、第一方面的任意可能的实现方式、第三方面、或第三方面的任意可能的实现方式中的方法。
第十二方面，提供了一种包含指令的计算机程序产品，当该指令被运行时，实现前述第二方面、第二方面的任意可能的实现方式、第四方面、或第四方面的任意可能的实现方式中的方法。
第十三方面，提供了一种计算机程序，该计算机程序包括代码或指令，当该代码或指令被运行时，实现前述第一方面、第一方面的任意可能的实现方式、第三方面、或第三方 面的任意可能的实现方式中的方法。
第十四方面，提供了一种计算机程序，该计算机程序包括代码或指令，当该代码或指令被运行时，实现前述第二方面、第二方面的任意可能的实现方式、第四方面、或第四方面的任意可能的实现方式中的方法。
第十五方面，提供一种芯片系统，该芯片系统包括处理器，还可以包括存储器，用于实现前述第一方面至第四方面描述的至少一种方法。该芯片系统可以由芯片构成，也可以包含芯片和其他分立器件。
第十六方面，提供一种通信系统，所述系统包括第五方面或者第七方面所述的装置(如终端设备)、和第六方面或者第八方面所述的装置(如网络设备)。
附图说明
图1为本申请的实施例应用的通信系统的架构示意图；
图2至图5为本申请的实施例提供的数据传输方法的流程示意图；
图6和图7为本申请的实施例提供的可能的通信装置的结构示意图。
具体实施方式
本申请实施例提供的技术方案可以应用于各种通信系统，例如：长期演进(long term evolution,LTE)系统、第五代(5th generation,5G)移动通信系统、WiFi系统、未来的通信系统、或者多种通信系统融合的系统等，本申请实施例不做限定。其中，5G还可以称为新无线(new radio,NR)。
本申请实施例提供的技术方案可以应用于各种通信场景，例如可以应用于以下通信场景中的一种或多种：增强移动宽带(enhanced mobile broadband，eMBB)、超可靠低时延通信(ultra-reliable low-latency communication，URLLC)、机器类型通信(machine type communication，MTC)、大规模机器类型通信(massive machine type communications，mMTC)、设备到设备(device-to-device，D2D)、车辆外联(vehicle to everything，V2X)、车辆到车辆(vehicle to vehicle，V2V)、和物联网(internet of things，IoT)等。
本申请实施例提供的技术方案可以应用于通信设备间的通信。通信设备间的通信可以包括：网络设备和终端设备间的通信、网络设备和网络设备间的通信、和/或终端设备和终端设备间的通信。在本申请实施例中，术语“通信”还可以描述为“传输”、“信息传输”、或“信号传输”等。传输可以包括发送和/或接收。本申请实施例中，以网络设备和终端设备间的通信为例描述技术方案，本领域技术人员也可以将该技术方案用于进行其它调度实体和从属实体间的通信，例如宏基站和微基站之间的通信，例如第一终端设备和第二终端设备间的通信。其中，调度实体可以为从属实体分配空口资源。空口资源包括以下资源中的一种或多种：时域资源、频域资源、码资源和空间资源。在本申请实施例中，多种可以是两种、三种、四种或者更多种，本申请实施例不做限制。
在本申请实施例中，网络设备和终端设备间的通信包括：网络设备向终端设备发送下行信号/信息，和/或终端设备向网络设备发送上行信号/信息。
在本申请实施例中，“/”可以表示前后关联的对象是一种“或”的关系，例如，A/B可以表示A或B；“和/或”可以用于描述关联对象存在三种关系，例如，A和/或B，可以表 示：单独存在A，同时存在A和B，单独存在B这三种情况。其中A，B可以是单数或者复数。在本申请实施例中，可以采用“第一”、“第二”等字样对功能相同或相似的技术特征进行区分。该“第一”、“第二”等字样并不对数量和执行次序进行限定，并且“第一”、“第二”等字样也并不限定一定不同。在本申请实施例中，“示例性的”或者“例如”等词用于表示例子、例证或说明，被描述为“示例性的”或者“例如”的实施例或设计方案不应被解释为比其它实施例或设计方案更优选或更具优势。使用“示例性的”或者“例如”等词旨在以具体方式呈现相关概念，便于理解。
图1是本申请的实施例应用的移动通信系统的架构示意图。如图1所示，该移动通信系统包括核心网设备110、无线接入网设备120和至少一个终端设备(如图1中的终端设备130和终端设备140)。终端设备通过无线的方式与无线接入网设备相连，无线接入网设备通过无线或有线方式与核心网设备连接。核心网设备与无线接入网设备可以是独立的不同的物理设备，也可以是将核心网设备的功能与无线接入网设备的逻辑功能集成在同一个物理设备上，还可以是一个物理设备上集成了部分核心网设备的功能和部分的无线接入网设备的功能。终端设备可以是固定位置的，也可以是可移动的。图1只是示意图，该通信系统中还可以包括其它网络设备，如还可以包括无线中继设备和无线回传设备，在图1中未画出。本申请的实施例对该移动通信系统中包括的核心网设备、无线接入网设备和终端设备的数量不做限定。
无线接入网设备是终端设备通过无线方式接入到该移动通信系统中的接入设备，可以是基站(base station)、演进型基站(evolved NodeB，eNodeB)、发送接收点(transmission reception point，TRP)、5G移动通信系统中的下一代基站(next generation NodeB，gNB)、未来移动通信系统中的基站或WiFi系统中的接入节点等；也可以是完成基站部分功能的模块或单元，例如，可以是集中式单元(central unit，CU)，也可以是分布式单元(distributed unit，DU)。本申请的实施例对无线接入网设备所采用的具体技术和具体设备形态不做限定。在本申请实施例中，无线接入网设备简称网络设备，如果无特殊说明，网络设备均指无线接入网设备。
在本申请实施例中，用于实现网络设备的功能的装置可以是网络设备；也可以是能够支持网络设备实现该功能的装置，例如芯片系统，该装置可以被安装在网络设备中或者和网络设备匹配使用。在本申请实施例提供的技术方案中，以用于实现网络设备的功能的装置是网络设备为例，描述本申请实施例提供的技术方案。
本申请实施例涉及到的终端设备也可以称为终端Terminal、用户设备(user equipment，UE)、移动台(mobile station，MS)、移动终端(mobile terminal，MT)等。终端设备可以是手机、平板电脑、带无线收发功能的电脑、虚拟现实终端设备、增强现实终端设备、工业控制中的无线终端、无人驾驶中的无线终端、远程手术中的无线终端、智能电网中的无线终端、运输安全中的无线终端、智慧城市(smart city)中的无线终端、智慧家庭中的无线终端等等。本申请的实施例对终端设备所采用的具体技术和具体设备形态不做限定。
在本申请实施例中，用于实现终端设备的功能的装置可以是终端设备；也可以是能够支持终端设备实现该功能的装置，例如芯片系统，该装置可以被安装在终端设备中或者和终端设备匹配使用。本申请实施例中，芯片系统可以由芯片构成，也可以包括芯片和其他分立器件。本申请实施例提供的技术方案中，以用于实现终端设备的功能的装置是终端设备为例，描述本申请实施例提供的技术方案。
网络设备和终端设备可以部署在陆地上，包括室内或室外、手持或车载；可以部署在水面上；或者，可以部署在空中的飞机、气球或人造卫星上。本申请的实施例对网络设备和终端设备的应用场景不做限定。
网络设备和终端设备之间可以通过授权频谱进行通信，可以通过非授权频谱(unlicensed spectrum)进行通信，或者可以通过授权频谱和非授权频谱进行通信。网络设备和终端设备之间可以通过6千兆赫兹(gigahertz，GHz)以下的频谱进行通信，可以通过6GHz以上的频谱进行通信，或者可以使用6GHz以下的频谱和6GHz以上的频谱进行通信。本申请的实施例对网络设备和终端设备之间所使用的频谱资源不做限定。
通信系统中，终端设备可以接入网络设备，并和网络设备进行通信。示例性地，一个网络设备可以管理一个或多个(例如3个或6个等)小区，终端设备可以在该一个或多个小区中的至少一个小区中接入网络设备，并在该终端设备所在的小区中和网络设备进行通信。在本申请实施例中，至少一个可以是1个、2个、3个或者更多个，本申请实施例不做限制。
终端设备与网络设备进行上行数据传输的一种实现方式可以是免授权传输(grant free)，即终端设备使用免授权资源向网络设备发送上行数据。在免授权传输中，终端设备的上行传输不需要通过网络设备的调度完成。例如，当上行数据到达时，终端设备不需要向网络设备发送调度请求(scheduling request，SR)并等待网络设备的动态授权(dynamic grant)，而是可以直接使用网络设备预先分配的上行传输资源向网络设备发送上行数据。在本申请实施例中，“免授权传输”也称为“免授权调度”，上述预先分配的上行传输资源可以称为“配置授权(configured grant，CG)”、或上行配置授权。
终端设备与网络设备进行下行数据传输的一种实现方式可以是半静态传输。在本申请实施例中，半静态传输又可以称作半静态调度(semi-persistent scheduling，SPS)、或下行半静态传输。在半静态传输中，网络设备不需要通过下行控制信息(downlink control information，DCI)动态指示下行传输的资源，终端设备可以在网络设备预先分配的下行传输资源上接收来自网络设备的下行数据。在本申请实施例中，上述预先分配的下行传输资源可以称为下行SPS资源。
当终端设备使用CG和下行SPS资源进行数据传输时，如何降低数据传输的时延是一个亟待解决的问题。为了解决上述技术问题，本申请实施例提供了数据传输的方法，当终端设备用于数据传输的时频资源不可用时，终端设备根据网络设备的指示信息，和/或顺延规则，将该数据传输顺延至距离该时频资源最近的时频资源，从而降低数据传输的时延。
下面通过一些实施例对本申请的技术方案进行详细说明。在本申请的实施例中，终端设备与网络设备进行数据传输时，终端设备可以是无线资源控制连接(radio resource control_connected，RRC_CONNECTED)态、无线资源控制非激活(radio resource control_inactive，RRC_INACTIVE)态、或者无线资源控制空闲(radio resource control_idle，RRC_IDLE)态。
图2为本申请实施例提供的一种数据传输方法的流程示意图，本实施例涉及的是网络设备和终端设备之间进行数据传输的具体过程。如图2所示，该方法可以包括：S101、S102、S103和S104。
S101、网络设备向终端设备发送第一指示信息，该第一指示信息包括第一时频资源的配置信息。对应的，终端设备接收来自网络设备的第一指示信息。具体的，该第一指示信 息可以是RRC消息，例如，RRC建立(RRCSetup)消息、RRC恢复(RRCResume)消息、或RRC连接重配置(RRCConnectionReconfiguration)消息。
在图2所示的实施例中，第一时频资源为配置授权(CG)。具体的，第一时频资源为第一CG中的一个或多个时域资源，其中，第一CG为网络设备通过第一指示信息为终端设备配置的一套CG。
具体的，网络设备通过第一指示信息为终端设备配置第一CG的传输参数，包括以下参数中的一种或多种：周期、开环功控相关参数、波形、冗余版本、冗余版本序列、重复次数、跳频模式、资源分配类型、混合自动重传请求(hybrid automatic repeat request，HARQ)进程数、解调参考信号(demodulation reference signal，DMRS)相关参数、调制编码方案(modulation and coding scheme，MCS)表格、资源块组(resource block group，RBG)大小、时域资源位置、频域资源位置、和MCS。当终端设备与网络设备进行上行传输时，终端设备可以直接使用网络设备预先配置的第一CG，或，网络设备预先配置的并且由物理层信令激活的第一CG，向网络设备发送上行数据，而不需要向网络设备发送SR并等待网络设备的动态授权。
S102、当第一时频资源不可用时，终端设备获取第一时间信息。
具体的，第一时频资源不可用可以理解为：终端设备不能在该第一时频资源上进行数据传输。在图2所示的实施例中，第一时频资源不可用包括但不限于以下情况中的任意一种或多种。
情况1：高优先级的业务的传输资源与第一时频资源在时域上有重叠，即，第一时频资源被该高优先级的业务的传输抢占。
情况2：在时分双工(time division duplex，TDD)系统中，第一时频资源与下行时隙或者下行符号在时域上有重叠。
情况3：在配置了测量间隔(measurement gap，MG)的系统中(即，终端设备不能在测量间隔内进行数据传输)，第一时频资源与测量间隔在时域上有重叠。
情况4：在非授权频谱中，终端设备在第一时频资源上进行先听后说(listen before talk,LBT)失败。具体的，在非授权频谱中，为了进行数据传输，终端设备在发送数据前要先进行信道检测，若检测到信道状态为忙碌，即该信道被占用时，表示LBT失败，即当前无法在该非授权频谱上进行数据传输。
在上述4种情况中，情况1和情况4中的第一时频资源不可用是不确定的、突发的；情况2和情况3中的第一时频资源不可用是确定的、网络设备和终端设备在第一时频资源到来前已知的。
当第一时频资源不可用时，终端设备获取第一时间信息，该第一时间信息为第二时频资源相对于第一时频资源的时域偏移值，或，该第一时间信息为第二时频资源所在的时间单元的索引，其中，该第二时频资源的时域位置在上述第一时频资源的时域位置之后。在本申请实施例中，时间单元可以是时隙、帧、子帧、或符号。
具体的，终端设备获取第一时间信息的方法包括以下三种获取方法。
获取方法一、终端设备根据顺延规则确定第一时间信息，该顺延规则为预定义的。
具体的，当第一时频资源不可用时，终端设备将原本承载在第一时频资源上的数据顺延至第二时频资源传输，其中，该顺延规则为：第二时频资源所在的时间单元为满足第一条件的时间单元中，时域位置最靠前的时间单元。其中，该第一条件包括：该时间单元位 于第一时频资源所在的时间单元之后；该时间单元可以发送上行数据；且还没有待发送的数据需要在该时间单元中发送。
示例性地，网络设备为终端设备配置了一套CG，记为CG1，第一时频资源为CG1位于时隙2中的资源，该第一时频资源被高优先级的业务抢占导致该第一时频资源不可用。假设满足上述第一条件且时域位置最靠前的时隙为时隙4，即，终端设备根据顺延规则确定第二时频资源所在的时隙为时隙4。此时，第一时间信息为：第二时频资源相对于第一时频资源的时域偏移值为2个时隙，或，第一时间信息为：第二时频资源所在的时间单元的索引为4。
可选的，上述第一条件还可以包括以下条件中的一个或多个：
该时间单元与第一时频资源的时间单元的时域间隔不大于门限值，该门限值是网络设备为终端设备配置的；当第二时频资源为CG时，该时间单元中的CG对应的HARQ进程号与第一时频资源对应的HARQ进程号相同。
可选的，当第一时频资源所在的CG发生改变时，上述顺延规则不再有效。具体的，当网络设备通过RRC消息或DCI重新配置了该CG的时域和/或频域位置时，上述顺延规则不再有效。示例性地，网络设备为终端设备配置了一套或多套CG，第一时频资源为该一套或多套CG中的部分时频资源。当网络设备通过RRC消息或DCI重新配置了该一套或多套CG的时域和/或频域位置时，上述顺延规则不再有效。
可选的，当第一时频资源所在的CG不再有效时，上述顺延规则不再有效。具体的，当第一时频资源所在的CG被去激活，或者，当第一时频资源所在的部分带宽(bandwidth part,BWP)或服务小区被去激活时，上述顺延规则不再有效。
获取方法二、终端设备接收来自网络设备的第二指示信息，终端设备根据第二指示信息和顺延规则确定第一时间信息，该顺延规则为预定义的。具体包括操作1和操作2。
操作1：网络设备向终端设备发送第二指示信息，该第二指示信息指示终端设备是否 使用顺延规则。对应的，终端设备接收来自网络设备的第二指示信息。
具体的，该第二指示信息可以是RRC消息，例如，RRC建立消息、RRC恢复消息、或RRC连接重配置消息。第二指示信息与第一指示信息可以是相同的消息，也可以是不同的消息。第二指示信息指示终端设备是否使用上述顺延规则的方式可以包括以下两种方式。
方式1：第二指示信息包括第一信元，该第一信元通过1比特指示该终端设备是否使用顺延规则。当该比特取值为“1”时，表示第二指示信息指示终端设备使用顺延规则，当该第一信元的取值为“0”时，表示第二指示信息指示终端设备不使用顺延规则；或者，当该第一信元的取值为“0”时，表示第二指示信息指示终端设备使用顺延规则，当该第一信元的取值为“1”时，表示第二指示信息指示终端设备不使用顺延规则。
方式2：第二指示信息包括第二信元，该第二信元通过n1比特指示终端设备的每个MAC实体是否使用顺延规则，其中，n1表示终端设备的MAC实体的数量,该n1比特的每一个比特分别对应终端设备的每一个MAC实体，网络设备为不同的MAC实体配置不同的CG。当该n1比特中的任意一个比特的取值为“1”时，表示第二指示信息指示终端设备该比特对应的MAC实体所配置的CG使用顺延规则，当该第一信元的取值为“0”时，表示第二指示信息指示终端设备该比特对应的MAC实体所配置的CG不使用顺延规则；或者，当该n1比特中的任意一个比特的取值为“0”时，表示第二指示信息指示终端设备该比特对应的MAC实体所配置的CG使用顺延规则，当该第一信元的取值为“1”时，表示第二指示信息指示 终端设备该比特对应的MAC实体所配置的CG不使用顺延规则。
方式3：第二指示信息包括第三信元，该第三信元通过n2比特指示每套CG是否使用顺延规则,其中，n2表示网络设备为终端设备配置了n2套CG,该n2比特的每一个比特分别对应终端设备的每一套CG。当该n2比特中的任意一个比特的取值为“1”时，表示第二指示信息指示终端设备该比特对应的CG使用顺延规则，当该第一信元的取值为“0”时，表示第二指示信息指示终端设备该比特对应的CG不使用顺延规则；当该n2比特中的任意一个比特的取值为“0”时，表示第二指示信息指示终端设备该比特对应的CG使用顺延规则，当该第一信元的取值为“1”时，表示第二指示信息指示终端设备该比特对应的CG不使用顺延规则
方式4：第二指示信息包括第四信元，该第四信元通过n3比特指示每个逻辑信道中的数据是否使用顺延规则，其中，n3表示终端设备关联了n3个逻辑信道,该n3比特的每一个比特分别对应每一个逻辑信道。当该n3比特中的任意一个比特的取值为“1”时，表示第二指示信息指示终端设备该比特对应的逻辑信道中的数据在使用CG传输时使用顺延规则，当该第一信元的取值为“0”时，表示第二指示信息指示终端设备该比特对应的逻辑信道中的数据在使用CG传输时不使用顺延规则；或者，当该n3比特中的任意一个比特的取值为“0”时，表示第二指示信息指示终端设备该比特对应的逻辑信道中的数据在使用CG传输时使用顺延规则，当该第一信元的取值为“1”时，表示第二指示信息指示终端设备该比特对应的逻辑信道中的数据在使用CG传输时不使用顺延规则。
操作2：终端设备根据第二指示信息和顺延规则确定第一时间信息，该顺延规则为预 定义的。
具体的，当第二指示信息指示使用顺延规则时，终端设备根据该顺延规则确定第一时间信息，其中，根据顺延规则确定第一时间信息的方法参考获取方法一中的描述。
获取方法三、终端设备接收来自网络设备的第三指示信息，该第三指示信息指示上述第一时间信息。
具体的，该第三指示信息可以是RRC消息、媒体接入控制(medium access control，MAC)消息或DCI。承载该第三指示信息的时频资源的时域位置不晚于上述第一时频资源位置。
一种可选的方式，第三指示信息指示第一时频资源所在的时间单元索引和第二时频资源所在的时间单元索引。终端设备根据上述索引，确定第二时频资源所在的时间单元。原本承载在第一时频资源上的数据被顺延至第二时频资源上传输。
另一种可选的方式，第三指示信息指示第一时频资源所在的时间单元索引和第二时频资源相对于第一时频资源的时域偏移值。终端设备根据上述索引和时域偏移值，确定第二时频资源所在的时间单元。原本承载在第一时频资源上的数据被顺延至第二时频资源上传输。示例性地，第三指示信息指示第一时频资源所在的时隙为时隙1，第二时频资源相对于第一时频资源的时域偏移值为2个时隙，即，原本承载在时隙1中的数据顺延至时隙3传输。
在上述两种方式中，网络设备可以隐式地指示第一时频资源所在的时间单元索引。示例性地，在TDD系统中，由于第一时频资源所在的时间单元为下行时间单元而导致第一时频资源不可用时，网络设备在该时间单元发送第三指示信息，该第三指示信息隐式地指示第一时频资源所在的时间单元，即第一时频资源所在的时间单元为终端设备接收到第三指 示信息的时间单元。
可选的，当网络设备为终端设备配置了多套CG时，第三指示信息还指示第一时频资源所在的CG的索引。示例性地，网络设备为终端设备配置了CG1和CG2，第一时频资源所在的CG为CG1。网络设备通过第三指示信息指示CG1的索引、第一时频资源所在的时间单元索引、和第一时间信息。
S103、终端设备根据第一时间信息和第一时频资源确定第二时频资源，该第二时频资源的时域位置在上述第一时频资源的时域位置之后。
当第一时间信息为第二时频资源所在的时间单元的索引时，终端设备根据该索引和第一时频资源确定第二时频资源。具体的，终端设备根据该索引确定第二时频资源所在的时间单元，终端设备确定第二时频资源所在的时间单元后，将第一时频资源搬移至第二时频资源所在的时间单元，即为第二时频资源，其中“搬移”的意思为第二时频资源的起始符号、时域长度、起始资源块(resource block，RB)、频域宽度与第一时频资源保持一致。
当第一时间信息为第二时频资源相对于第一时频资源的时域偏移值时，终端设备根据该时域偏移值和第一时频资源确定第二时频资源。具体的，终端设备根据该时域偏移值和第一时频资源所在的时间单元确定第二时频资源所在的时间单元。示例性地，第一时频资源所在的时间单元为时隙1，该时域偏移值为2个时隙，则第二时频资源所在的时间单元为时隙3。终端设备确定第二时频资源所在的时间单元后，将第一时频资源搬移至第二时频资源所在的时间单元，即为第二时频资源。
S104、终端设备在第二时频资源上向所述网络设备发送上行数据。对应的，网络设备在第二时频资源上接收来自终端设备的上行数据。
通过实施上述方法，当终端设备用于传输上行数据的第一时频资源不可用时，终端设备根据网络设备的指示信息，和/或顺延规则，将该数据传输从第一时频资源顺延至距离该第一时频资源最近的时频资源，从而降低了数据传输的时延。
图3为本申请实施例提供的一种数据传输方法的流程示意图，本实施例涉及的是网络设备和终端设备之间进行上行数据传输的具体过程。图3所示，该方法可以包括：S201、S202、和S203。
S201、网络设备向终端设备发送第一指示信息，该第一指示信息包括第一时频资源的配置信息。对应的，终端设备接收来自网络设备的第一指示信息。具体描述参见图2中的步骤S101。
S202、当第一时频资源不可用时，终端设备向网络设备发送第四指示信息，该第四指示信息指示第二时频资源，该第二时频资源的时域位置在上述第一时频资源的时域位置之后。其中，第一时频资源不可用的情况参见步骤S102中的描述。
具体的，该第四指示信息可以是RRC消息、MAC消息、上行控制信息(uplink control information，UCI)。终端设备在上述第一时频资源位置之前的时频资源上向网络设备发送第四指示信息。
一种可选的方式，第四指示信息指示第一时频资源所在的时间单元索引和第二时频资源所在的时间单元索引。网络设备根据上述索引，确定第二时频资源所在的时间单元，以及，原本承载在第一时频资源上的数据顺延至第二时频资源上传输。
另一种可选的方式，第四指示信息指示第一时频资源所在的时间单元的索引和第二时频资源相对于第一时频资源的时域偏移值。网络设备根据根据该索引和时域偏移值确定第 二时频资源所在的时间单元，以及，原本承载在第一时频资源上的数据顺延至第二时频资源上传输。示例性地，第四指示信息指示第一时频资源所在的时隙为时隙1，第二时频资源相对于第一时频资源的时域偏移值为2个时隙。网络设备根据该索引和时域偏移值，确定第二时频资源所在的时隙为时隙3，即，原本承载在时隙1中的数据顺延至时隙3传输。
可选的，当网络设备为终端设备配置了多套CG时，第四指示信息还指示第一时频资源所在的CG的索引。示例性地，网络设备为终端设备配置了CG1和CG2，第一时频资源所在的CG为CG1。网络设备通过第四指示信息指示CG1的索引、第一时频资源所在的时间单元索引，以及，第二时频资源所在的时间单元索引和第二时频资源相对于第一时频资源的时域偏移值中的任一项。
S203、终端设备在第二时频资源上向网络设备发送上行数据。对应的，网络设备在第二时频资源上接收来自终端设备的上行数据。
通过实施上述方法，当终端设备由于LBT失败导致第一时频资源不可用时，由于网络设备无法预知该第一时频资源不可用，终端设备将数据传输从第一时频资源顺延至距离该第一时频资源最近的时频资源，并向网络设备指示该顺延的信息，从而使得网络设备可以在相应的时频资源上接收终端设备的数据，提高了数据传输的可靠性。
图4为本申请实施例提供的一种数据传输方法的流程示意图，本实施例涉及的是网络设备和终端设备之间进行下行数据传输的具体过程。图4所示，该方法可以包括：S301、S302、S303和S304。
S301、网络设备向终端设备发送第一指示信息，该第一指示信息包括第一时频资源的配置信息。对应的，终端设备接收来自网络设备的第一指示信息。该第一指示信息可以是RRC消息、MAC消息或物理层信令。
在图3所示的实施例中，第一时频资源为下行SPS资源。具体的，第一时频资源为第一SPS中的一个或多个时域资源，其中，第一SPS为网络设备通过第一指示信息为终端设备配置的一套SPS资源。
具体的，网络设备通过第一指示信息为终端设备配置第一SPS的传输参数，包括：周期、HARQ进程数，时域资源位置、频域资源位置、MCS等。当该第一SPS被网络设备通过物理层信令激活时，终端设备在该第一SPS资源上接收来自网络设备的下行数据。
S302、当第一时频资源不可用时，终端设备获取第一时间信息。
在步骤S302中，第一时频资源不可用包括但不限于以下情况中的一种。
情况1：高优先级的业务的传输资源与第一时频资源在时域上有重叠，即，第一时频资源被该高优先级的业务的传输抢占。
情况2：在TDD系统中，第一时频资源与上行时隙或者上行符号在时域上有重叠。
情况3：在配置了测量间隔的系统中，第一时频资源与测量间隔在时域上有重叠。
情况4：在非授权频谱中，网络设备在第一时频资源上进行LBT失败。具体的，在非授权频谱中，为了抢占信道，网络设备在发送数据前要先进行信道检测，若检测的信道状态为忙碌，即该信道被占用时，表示LBT失败。
情况5：终端设备没有在第一时频资源上接收到来自网络设备的下行数据。具体的，终端设备没有在第一时频资源上接收到导频信号。
在上述5种情况中，情况1、情况4和情况5中的第一时频资源不可用是不确定的、突发的；情况2和情况3中的第一时频资源不可用是确定的、网络设备和终端设备在该第 一时频资源到来前已知的。
当第一时频资源不可用时，终端设备获取第一时间信息，该第一时间信息为第二时频资源相对于第一时频资源的时域偏移值，或，该第一时间信息为第二时频资源所在的时间单元的索引，其中，该第二时频资源的时域位置在上述第一时频资源的时域位置之后。
具体的，终端设备获取第一时间信息的方法包括以下三种获取方法。
获取方法一、终端设备根据顺延规则确定第一时间信息，该顺延规则为预定义的。
具体的，当第一时频资源不可用时，网络设备将原本承载在第一时频资源上的数据顺延至第二时频资源传输，其中，该顺延规则为：第二时频资源所在的时间单元为满足第二条件的时间单元中，时域位置最靠前的时间单元。其中，该第二条件包括：该时间单元位于第一时频资源所在的时间单元之后；该时间单元可以发送下行数据；且，还没有待发送的数据需要在该时间单元中发送。
示例性地，网络设备为终端设备配置了一套SPS，为SPS1，第一时频资源为SPS1位于时隙2中的资源，该第一时频资源被高优先级的业务抢占导致该第一时频资源不可用。满足上述第二条件且时域位置最靠前的时隙为时隙4，即，终端设备根据顺延规则确定第二时频资源所在的时隙为时隙4。此时，第一时间信息为：第二时频资源相对于第一时频资源的时域偏移值为2个时隙，或，第一时间信息为：第二时频资源所在的时间单元的索引为4。
可选的，上述第二条件还可以包括以下条件中的一个或多个：该时间单元与第一时频资源的时间单元的时域间隔不大于门限值，该门限值是网络设备为终端设备配置的；当第二时频资源为SPS时，该时间单元中的SPS对应的HARQ进程号与第一时频资源对应的HARQ进程号相同。
可选的，当第一时频资源所在的SPS发生改变时，上述顺延规则不再有效。具体的，当网络设备通过RRC消息或DCI重新配置了该SPS的时域和/或频域位置时，上述顺延规则不再有效。示例性地，网络设备为终端设备配置了一套或多套SPS，第一时频资源为该一套或多套SPS中的部分时频资源。当网络设备通过RRC消息或DCI重新配置了该一套或多套SPS的时域和/或频域位置时，上述顺延规则不再有效。
可选的，当第一时频资源所在的SPS不再有效时，上述顺延规则不再有效。具体的，当第一时频资源所在的SPS被去激活，或者，当第一时频资源所在的BWP或服务小区被去激活时，上述顺延规则不再有效。
获取方法二、终端设备接收来自网络设备的第二指示信息，终端设备根据第二指示信息和顺延规则确定第一时间信息，该顺延规则为预定义的。
获取方式二的具体描述参考步骤S102中的获取方式二的描述，即，把获取方式二中的CG替换为SPS。
获取方法三、终端设备接收来自网络设备的第三指示信息，该第三指示信息指示上述第一时间信息。
具体的，该第三指示信息可以是RRC消息、MAC消息或DCI。承载该第三指示信息的时频资源的时域位置不晚于上述第一时频资源位置。
一种可选的方式，第三指示信息指示第一时频资源所在的时间单元索引和第二时频资源所在的时间单元索引。终端设备根据上述索引，确定第二时频资源所在的时间单元。原本承载在第一时频资源上的数据被顺延至第二时频资源上传输。
另一种可选的方式，第三指示信息指示第一时频资源所在的时间单元索引和第二时频资源相对于第一时频资源的时域偏移值。终端设备根据上述索引和时域偏移值，确定第二时频资源所在的时间单元。原本承载在第一时频资源上的数据被顺延至第二时频资源上传输。示例性地，第三指示信息指示第一时频资源所在的时隙为时隙1，第二时频资源相对于第一时频资源的时域偏移值为2个时隙，即，原本承载在时隙1中的数据顺延至时隙3传输。
S303、终端设备根据第一时间信息和第一时频资源确定第二时频资源，该第二时频资源的时域位置在上述第一时频资源的时域位置之后。具体描述参加图1中的步骤S103。
S304、网络设备在第二时频资源上向终端设备发送上行数据。对应的，终端设备在第二时频资源上接收来自网络设备的下行数据。
通过实施上述方法，当用于传输下行数据的第一时频资源不可用时，网络设备将该第一时频资源上的下行传输顺延至第二时频资源，并将该顺延信息通过指示信息通知终端数设备，从而使得终端设备可以在相应的时频资源上接收网络设备的数据，提高了数据传输的可靠性。
图5为本申请实施例提供的一种数据传输方法的流程示意图，本实施例涉及的是网络设备和终端设备之间进行下行数据传输的具体过程。图5所示，该方法可以包括：S401、S402和S403。
S401、网络设备向终端设备发送第一指示信息，该第一指示信息包括第一时频资源的配置信息。对应的，终端设备接收来自网络设备的第一指示信息。具体描述参见图4中的步骤S301。
S402、当第一时频资源不可用时，终端设备向网络设备发送第四指示信息，该第四指示信息指示第二时频资源。其中，该第二时频资源的时域位置在上述第一时频资源的时域位置之后。第一时频资源不可用的情况参见步骤S302中的描述。
具体的，该第四指示信息可以是RRC消息、MAC消息或UCI。承载该第四指示信息的时频资源不晚于上述第一时频资源。
一种可选的方式，第四指示信息指示第一时频资源所在的时间单元索引和第二时频资源所在的时间单元索引。网络设备根据上述索引，确定第二时频资源所在的时间单元，以及，原本承载在第一时频资源上的数据顺延至第二时频资源上传输。
另一种可选的方式，第四指示信息指示第一时频资源所在的时间单元的索引和第二时频资源相对于第一时频资源的时域偏移值。网络设备根据根据该索引和时域偏移值确定第二时频资源所在的时间单元，以及，原本承载在第一时频资源上的数据顺延至第二时频资源传输。
在上述两种方式中，终端设备可以隐式地指示第一时频资源所在的时间单元索引。示例性地，在TDD系统中，由于第一时频资源所在的时间单元为上行时间单元而导致第一时频资源不可用时，终端设备在该时间单元发送第四指示信息，该第四指示信息隐式地指示第一时频资源所在的时间单元，即第一时频资源所在的时间单元为网络设备接收到第四指示信息的时间单元。
S403、网络设备在第二时频资源上向终端设备发送上行数据。对应的，终端设备在第二时频资源上接收来自网络设备的下行数据。
通过实施上述方法，当终端设备用于传输上行数据的第一时频资源被更高优先级的上 行数据抢占时，终端设备可以通过将该上行数据的传输从第一时频资源顺延至距离该第一时频资源最近的时频资源，并向网络设备指示该顺延的信息，使得网络设备可以在相应的时频资源上接收该上行数据，提高了数据传输的可靠性。
终端设备根据网络设备的指示信息，和/或顺延规则，将该数据传输从第一时频资源顺延至距离该第一时频资源最近的时频资源，从而降低了数据传输的时延。
可以理解的是，为了实现上述实施例中功能，网络设备和终端设备包括了执行各个功能相应的硬件结构和/或软件模块。本领域技术人员应该很容易意识到，结合本申请中所公开的实施例描述的各示例的单元及方法步骤，本申请能够以硬件、软件、或硬件和软件相结合的形式来实现。某个功能究竟以硬件、软件、或是计算机软件驱动硬件的方式来执行，取决于技术方案的特定应用场景和设计约束条件。
图6和图7为本申请的实施例提供的可能的通信装置的结构示意图。这些通信装置可以用于实现上述方法实施例中终端设备或网络设备的功能，因此也能实现上述方法实施例所具备的有益效果。在本申请的实施例中，该通信装置可以是如图1所示的终端设备130或终端设备140，也可以是如图1所示的无线接入网设备120，还可以是应用于终端设备或网络设备的模块(如芯片)。
如图6所示，通信装置600包括处理单元610和收发单元620。通信装置600用于实现上述图2至图5中所示的方法实施例中终端设备或网络设备的功能。
当通信装置600用于实现图2所示的方法实施例中终端设备的功能时，收发单元620用于接收来自网络设备的第一指示信息，该第一指示信息包括第一时频资源的配置信息；处理单元610用于当上述第一时频资源不可用时，获取第一时间信息；处理单元610还用于根据上述第一时间信息和上述第一时频资源确定第二时频资源，该第二时频资源的时域位置在上述第一时频资源的时域位置之后；收发单元620还用于在上述第二时频资源上向网络设备发送上行数据。
当通信装置600用于实现图2所示的方法实施例中网络设备的功能时，收发单元620用于向终端设备发送第一指示信息，该第一指示信息包括第一时频资源的配置信息；处理单元610用于当上述第一时频资源不可用时，根据第一时间信息和上述第一时频资源确定第二时频资源，该第二时频资源的时域位置在上述第一时频资源的时域位置之后；收发单元620还用于在上述第二时频资源上接收来自终端设备的上行数据。
当通信装置600用于实现图3所示的方法实施例中终端设备的功能时，收发单元620用于接收来自网络设备的第一指示信息，该第一指示信息包括第一时频资源的配置信息；收发单元620还用于当上述第一时频资源不可用时，向网络设备发送第四指示信息，该第四指示信息指示第二时频资源，该第二时频资源的时域位置在上述第一时频资源的时域位置之后；收发单元620还用于在上述第二时频资源上向网络设备发送上行数据。
当通信装置600用于实现图3所示的方法实施例中网络设备的功能时，收发单元620用于向终端设备发送第一指示信息，该第一指示信息包括第一时频资源的配置信息；收发单元620还用于当上述第一时频资源不可用时，接收来自终端设备的第四指示信息，该第四指示信息指示第二时频资源，该第二时频资源的时域位置在上述第一时频资源的时域位置之后；收发单元620还用于在上述第二时频资源上接收来自终端设备的上行数据。
当通信装置600用于实现图4所示的方法实施例中终端设备的功能时，收发单元620用于接收来自网络设备的第一指示信息，该第一指示信息包括第一时频资源的配置信息； 处理单元610用于当上述第一时频资源不可用时，获取第一时间信息；处理单元610还用于根据上述第一时间信息和上述第一时频资源确定第二时频资源，该第二时频资源的时域位置在上述第一时频资源的时域位置之后；收发单元620还用于在上述第二时频资源上接收来自网络设备的下行数据。
当通信装置600用于实现图4所示的方法实施例中网络设备的功能时，收发单元620用于向终端设备发送第一指示信息，该第一指示信息包括第一时频资源的配置信息；处理单元610用于当上述第一时频资源不可用时，根据第一时间信息和上述第一时频资源确定第二时频资源，该第二时频资源的时域位置在上述第一时频资源的时域位置之后；收发单元620还用于在上述第二时频资源上向终端设备发送下行数据。
当通信装置600用于实现图5所示的方法实施例中终端设备的功能时，收发单元620用于接收来自网络设备的第一指示信息，该第一指示信息包括第一时频资源的配置信息；收发单元620还用于当上述第一时频资源不可用时，向网络设备发送第四指示信息，该第四指示信息指示第二时频资源，该第二时频资源的时域位置在上述第一时频资源的时域位置之后；收发单元620还用于在上述第二时频资源上接收来自网络设备的下行数据。
当通信装置600用于实现图5所示的方法实施例中网络设备的功能时，收发单元620用于向终端设备发送第一指示信息，该第一指示信息包括第一时频资源的配置信息；收发单元620还用于当上述第一时频资源不可用时，接收来自终端设备的第四指示信息，该第四指示信息指示第二时频资源，该第二时频资源的时域位置在上述第一时频资源的时域位置之后；收发单元620还用于在上述第二时频资源上向终端设备发送下行数据。
有关上述处理单元610和收发单元620更详细的描述可以直接参考图2至图5所示的方法实施例中相关描述直接得到，这里不加赘述。
如图7所示，通信装置700包括处理器710和接口电路720。处理器710和接口电路720之间相互耦合。可以理解的是，接口电路720可以为收发器或输入输出接口。可选的，通信装置700还可以包括存储器730，用于存储处理器710执行的指令或存储处理器710运行指令所需要的输入数据或存储处理器710运行指令后产生的数据。
当通信装置700用于实现图2至图5所示的方法时，处理器710用于实现上述处理单元610的功能，接口电路720用于实现上述收发单元620的功能。
当上述通信装置为应用于终端设备的芯片时，该终端设备芯片实现上述方法实施例中终端设备的功能。该终端设备芯片从终端设备中的其它模块(如射频模块或天线)接收信息，该信息是网络设备发送给终端设备的；或者，该终端设备芯片向终端设备中的其它模块(如射频模块或天线)发送信息，该信息是终端设备发送给网络设备的。
当上述通信装置为应用于网络设备的芯片时，该网络设备芯片实现上述方法实施例中网络设备的功能。该网络设备芯片从网络设备中的其它模块(如射频模块或天线)接收信息，该信息是终端设备发送给网络设备的；或者，该网络设备芯片向网络设备中的其它模块(如射频模块或天线)发送信息，该信息是网络设备发送给终端设备的。
可以理解的是，本申请的实施例中的处理器可以是中央处理单元(Central Processing Unit，CPU)，还可以是其它通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现场可编程门阵列(Field Programmable Gate Array，FPGA)或者其它可编程逻辑器件、晶体管逻辑器件，硬件部件或者其任意组合。通用处理器可以是微处理器，也可以是任何常规的处理 器。
本申请的实施例中处理器可以是随机存取存储器(Random Access Memory，RAM)、闪存、只读存储器(Read-Only Memory，ROM)、可编程只读存储器(Programmable ROM，PROM)、可擦除可编程只读存储器(Erasable PROM，EPROM)、电可擦除可编程只读存储器(Electrically EPROM，EEPROM)、寄存器、硬盘、移动硬盘、CD-ROM或者本领域熟知的任何其它形式的存储介质中。一种示例性的存储介质耦合至处理器，从而使处理器能够从该存储介质读取信息，且可向该存储介质写入信息。当然，存储介质也可以是处理器的组成部分。处理器和存储介质可以位于ASIC中。另外，该ASIC可以位于网络设备或终端设备中。当然，处理器和存储介质也可以作为分立组件存在于网络设备或终端设备中。
在上述实施例中，可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时，可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机程序或指令。在计算机上加载和执行所述计算机程序或指令时，全部或部分地执行本申请实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、网络设备、终端设备、或者其它可编程装置。所述计算机程序或指令可以存储在计算机可读存储介质中，或者通过所述计算机可读存储介质进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是集成一个或多个可用介质的服务器等数据存储设备。所述可用介质可以是磁性介质，例如，软盘、硬盘、磁带；也可以是光介质，例如，DVD；还可以是半导体介质，例如，固态硬盘(solid state disk，SSD)。
在本申请的各个实施例中，如果没有特殊说明以及逻辑冲突，不同的实施例之间的术语和/或描述具有一致性、且可以相互引用，不同的实施例中的技术特征根据其内在的逻辑关系可以组合形成新的实施例。
可以理解的是，在本申请的实施例中涉及的各种数字编号仅为描述方便进行的区分，并不用来限制本申请的实施例的范围。上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定。

Claims (27)

  1. 一种数据传输的方法，其特征在于，所述方法包括：
    接收来自网络设备的第一指示信息，所述第一指示信息包括第一时频资源的配置信息；
    当所述第一时频资源不可用时，获取第一时间信息；
    根据所述第一时间信息和所述第一时频资源确定第二时频资源，所述第二时频资源的时域位置在所述第一时频资源的时域位置之后；
    在所述第二时频资源上向所述网络设备发送上行数据，或，在所述第二时频资源上接收来自所述网络设备的下行数据。
  2. 根据权利要求1所述的方法，其特征在于，所述第一时频资源为配置授权(CG)或下行半静态调度(SPS)。
  3. 根据权利要求1或2所述的方法，其特征在于，所述获取第一时间信息，具体包括：
    根据顺延规则确定所述第一时间信息，所述顺延规则为预定义的。
  4. 根据权利要求3所述的方法，其特征在于，所述根据顺延规则确定所述第一时间信息，具体包括：
    接收来自所述网络设备的第二指示信息，所述第二指示信息指示是否使用所述顺延规则；
    根据所述第二指示信息和所述顺延规则确定所述第一时间信息。
  5. 根据权利要求1或2所述的方法，其特征在于，所述获取第一时间信息，具体包括：
    接收来自所述网络设备的第三指示信息，所述第三指示信息指示所述第一时间信息。
  6. 根据权利要求1至5中任一项所述的方法，其特征在于，所述第一时间信息为所述第二时频资源相对于所述第一时频资源的时域偏移值。
  7. 根据权利要求1至5中任一项所述的方法，其特征在于，所述第一时间信息为所述第二时频资源所在的时间单元的索引。
  8. 根据权利要求1至7中任一项所述的方法，其特征在于，所述第二时频资源对应的混合自动重传请求HARQ进程号与所述第一时频资源对应的HARQ进程号相同。
  9. 根据权利要求1至8中任一项所述的方法，其特征在于，所述第一时频资源不可用包括以下至少一种情况：
    所述第一时频资源被抢占；
    所述第一时频资源与下行时隙或者下行符号在时域上有重叠；
    所述第一时频资源与测量间隔在时域上有重叠；
    在所述第一时频资源上进行先听后说LBT失败。
  10. 一种数据传输的方法，其特征在于，所述方法包括：
    向终端设备发送第一指示信息，所述第一指示信息包括第一时频资源的配置信息；
    当所述第一时频资源不可用时，根据第一时间信息和所述第一时频资源确定第二时频资源，所述第二时频资源的时域位置在所述第一时频资源的时域位置之后；
    在所述第二时频资源上接收来自所述终端设备的上行数据，或，在所述第二时频资源上向所述终端设备发送下行数据。
  11. 根据权利要求10所述的方法，其特征在于，所述第一时频资源为配置授权(CG) 或下行半静态调度(SPS)。
  12. 根据权利要求10或11所述的方法，其特征在于，所述第一时间信息是根据顺延规则确定的，所述顺延规则为预定义的。
  13. 根据权利要求12所述的方法，其特征在于，所述方法还包括：
    向所述终端设备发送第二指示信息，所述第二指示信息指示是否使用所述顺延规则。
  14. 根据权利要求12或13所述的方法，其特征在于，所述方法还包括：
    向所述终端设备发送第三指示信息，所述第三指示信息指示所述第一时间信息。
  15. 根据权利要求10至14中任一项所述的方法，其特征在于，所述第一时间信息为所述第二时频资源相对于所述第一时频资源的时域偏移值。
  16. 根据权利要求10至14中任一项所述的方法，其特征在于，所述第一时间信息为所述第二时频资源所在的时间单元的索引。
  17. 根据权利要求10至16中任一项所述的方法，其特征在于，所述第二时频资源对应的混合自动重传请求HARQ进程号与所述第一时频资源对应的HARQ进程号相同。
  18. 根据权利要求10至17中任一项所述的方法，其特征在于，所述第一时频资源不可用包括以下至少一种情况：
    所述第一时频资源被抢占；
    所述第一时频资源与下行时隙或者下行符号在时域上有重叠；
    所述第一时频资源与测量间隔在时域上有重叠；
    在所述第一时频资源上进行先听后说LBT失败。
  19. 一种通信装置，包括用于执行如权利要求1至9中任一项所述方法的模块。
  20. 一种通信装置，包括用于执行如权利要求10至18中任一项所述方法的模块。
  21. 一种通信装置，其特征在于，包括处理器和存储器，所述处理器和所述存储器耦合，所述处理器用于实现如权利要求1至9中任一项所述的方法。
  22. 一种通信装置，其特征在于，包括处理器和存储器，所述处理器和所述存储器耦合，所述处理器用于实现如权利要求10至18中任一项所述的方法。
  23. 一种通信装置，其特征在于，包括处理器和接口电路，所述接口电路用于接收来自所述通信装置之外的其它通信装置的信号并传输至所述处理器或将来自所述处理器的信号发送给所述通信装置之外的其它通信装置，所述处理器通过逻辑电路或执行代码指令用于实现如权利要求1至9中任一项所述的方法。
  24. 一种通信装置，其特征在于，包括处理器和接口电路，所述接口电路用于接收来自所述通信装置之外的其它通信装置的信号并传输至所述处理器或将来自所述处理器的信号发送给所述通信装置之外的其它通信装置，所述处理器通过逻辑电路或执行代码指令用于实现如权利要求10至18中任一项所述的方法。
  25. 一种计算机可读存储介质，其特征在于，所述存储介质中存储有计算机程序或指令，当所述计算机程序或指令被通信装置执行时，实现如权利要求1至9中任一项所述的方法，或，实现如权利要求10至18中任一项所述的方法。
  26. 一种通信系统，包括如权利要求19、21、23中任一项所述的通信装置，和如权利要求20、22、24中任一项所述的通信装置。
  27. 一种计算机程序产品，其特征在于，所述计算机程序产品包括指令，当所述指令被计算机运行时，实现如权利要求1至9中任一项所述的方法，或，实现如权利要求10至 18中任一项所述的方法。
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