WO2020094025A1 - 一种上行控制信息的传输方法及装置 - Google Patents

一种上行控制信息的传输方法及装置 Download PDF

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Publication number
WO2020094025A1
WO2020094025A1 PCT/CN2019/115804 CN2019115804W WO2020094025A1 WO 2020094025 A1 WO2020094025 A1 WO 2020094025A1 CN 2019115804 W CN2019115804 W CN 2019115804W WO 2020094025 A1 WO2020094025 A1 WO 2020094025A1
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Prior art keywords
resource
pucch resource
response information
harq response
uplink
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PCT/CN2019/115804
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English (en)
French (fr)
Inventor
冯浩
焦淑蓉
花梦
Original Assignee
华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP19881315.6A priority Critical patent/EP3869719B1/en
Publication of WO2020094025A1 publication Critical patent/WO2020094025A1/zh
Priority to US17/313,346 priority patent/US20210274494A1/en

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    • 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
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1671—Details of the supervisory signal the supervisory signal being transmitted together with control information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • 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
    • 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
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1854—Scheduling and prioritising arrangements
    • 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
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1896—ARQ related signaling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency

Definitions

  • the present application relates to the field of communication technology, and in particular, to a method and device for transmitting uplink control information.
  • the fifth generation (5G) mobile communication system defines three major application scenarios: enhanced mobile broadband (eMBB), highly reliable and low-latency communications (ultrareliable and low latency communications, URLLC), and Massive machine type communications (mMTC).
  • eMBB enhanced mobile broadband
  • URLLC highly reliable and low-latency communications
  • mMTC Massive machine type communications
  • the generation of data packets of the URLLC service is bursty and random. It may not generate data packets for a long time, or it may generate multiple data packets in a short time.
  • the allocation of system resources is performed by the base station. If the base station allocates resources for the URLLC service in the manner of reserving resources, the system resources are wasted when there is no URLLC service.
  • the short delay characteristic of the URLLC service requires the data packet to be transmitted in a very short time, so the base station needs to reserve enough bandwidth for the URLLC service, which results in a low system resource utilization rate.
  • the data volume of the eMBB service is relatively large, and the transmission rate is relatively high. Therefore, a long transmission time interval (TTI) is usually adopted as a time scheduling unit for data transmission to improve transmission efficiency.
  • TTI transmission time interval
  • the base station Due to the burstiness of the data of the URLLC service, in order to improve the utilization of system resources, the base station usually does not reserve resources for the data transmission of the URLLC service.
  • the base station may use preemption to allocate resources to the URLLC service data in order to meet the ultra-short delay requirements of the URLLC service. Preemption means that the base station selects part or all of the time-frequency resources that have been allocated for transmitting the first service as the second service transmission.
  • these time-frequency resources should have transmitted the first service, but were seized by the transmission of the second service.
  • the first service is an eMBB service or a URLLC service with low latency requirements
  • the second service is a URLLC service with high latency requirements.
  • uplink preemption all or part of the uplink time-frequency resources allocated to a certain UE are preemptively allocated to other UEs.
  • the preempted UE's uplink time-frequency resources transmit some information with higher priority, such as hybrid automatic repeat request (HARQ) response information, and the high transmission of uplink time-frequency resources for the preempted UE. How to deal with the priority information is to be discussed.
  • HARQ hybrid automatic repeat request
  • the present application provides a method and device for transmitting uplink control information, to solve the problem of how to transmit HARQ response information in a scenario where part or all of the first uplink resource used to transmit HARQ response information is preempted.
  • an uplink control information transmission method including:
  • the terminal-side device receives first information, the first information indicating at least one physical uplink control channel PUCCH resource;
  • the terminal-side device determines a first uplink resource, and the first uplink resource is used to carry HARQ response information of a hybrid automatic repeat request;
  • the terminal side device When receiving the first indication, the terminal side device sends the HARQ response information through the first PUCCH resource among the at least one PUCCH resource;
  • the first indication indicates that the second uplink resource is preempted, and the second uplink resource overlaps with the first uplink resource.
  • the second uplink resource is preempted. In other words, the second uplink resource is not used for the terminal side device to send data.
  • At least one PUCCH resource that can be used to transmit HARQ response information in a preemption scenario is configured by high-layer signaling (for example, RRC signaling) to the terminal device.
  • high-layer signaling for example, RRC signaling
  • the terminal device selects a PUCCH resource (first PUCCH resource) to send HARQ response information, which can avoid the problem that preemption causes the HARQ response information with a higher priority to not be reported.
  • the first uplink resource is a PUCCH resource that carries only the HARQ response information in all types of uplink control information; the format of the first PUCCH resource and that of the first uplink resource The format is the same.
  • the resource with the same PUCCH resource format as the original HARQ response information is preferentially selected, and there is no need to re-encode the HARQ response information to reduce processing overhead.
  • the first uplink resource is a PUCCH resource used for multiplexing the HARQ response information and other types of uplink control information, or the first uplink resource is used for multiplexing the HARQ response Physical uplink shared channel PUSCH resources of information;
  • the format of the first PUCCH resource is the same as the format of the PUCCH resource used to carry the HARQ response information before the HARQ response information is multiplexed.
  • the resource with the same PUCCH resource format as the original HARQ response information is preferentially selected, and there is no need to re-encode the HARQ response information to reduce processing overhead.
  • the sending the HARQ response information through the first PUCCH resource in the at least one PUCCH resource includes:
  • the first PUCCH resource is selected among the at least one PUCCH resource based on the number of bits of the updated HARQ response information, and the updated HARQ response information is sent through the selected first PUCCH resource.
  • the above design can reduce the overhead of reserving resources.
  • the difference between the start time of the first PUCCH resource and the time when the first indication is received is greater than or equal to the time when the terminal-side device prepares the PUCCH resource.
  • the above design further ensures the correct transmission of HARQ response information.
  • the first information includes time-frequency location information of each PUCCH resource in the at least one PUCCH resource and a format of each PUCCH resource.
  • an embodiment of the present application provides a method for transmitting uplink control information, including:
  • the terminal-side device determines a first uplink resource, where the first uplink resource is a PUCCH resource used to multiplex the hybrid automatic repeat request HARQ response information and other types of uplink control information, or the first uplink resource is used for A physical uplink shared channel PUSCH resource for multiplexing the HARQ response information;
  • the terminal side device receives a first indication, the first indication indicates that a second uplink resource is preempted, and the second uplink resource overlaps with the first uplink resource used to carry HARQ response information; the terminal side device uses the Before the HARQ response information is multiplexed, the PUCCH resource used to carry the HARQ response information sends the HARQ response information.
  • the solution provided in the second aspect does not require the network side device to reschedule the resources for sending HARQ response information for the terminal side device when the preemption occurs, which can save signaling overhead and avoid the higher priority
  • the problem that HARQ response information cannot be reported due to the preemption of certain time-frequency resources is relatively simple to implement, without the need to modify high-level protocols.
  • the PUCCH resource used to carry the HARQ response information before the HARQ response information is multiplexed does not overlap with the second uplink resource.
  • the difference between the start time of the PUCCH resource used to carry the HARQ response information before the HARQ response information is multiplexed and the time when the terminal side device receives the first indication Is greater than or equal to the time that the terminal-side device prepares the PUCCH resource.
  • an uplink control information transmission method including:
  • the terminal device determines the first uplink resource, and the first uplink resource is a physical uplink shared channel PUSCH resource used for multiplexing the hybrid automatic repeat request HARQ response information;
  • the terminal side device receives a first indication, the first indication indicates that a second uplink resource is preempted, and there is an overlapping area between the second uplink resource and the first uplink resource;
  • the terminal-side device sends the HARQ response information through a second PUCCH resource, where the second PUCCH resource is an uplink resource other than the overlapping area in the first uplink resource.
  • the solution provided in the third aspect does not require the network side device to reschedule the resources for sending HARQ response information for the terminal side device when preemption occurs, which can save signaling overhead and avoid HARQ response information having a higher priority due to a certain
  • the problem that some time-frequency resources are preempted and cannot be reported is relatively simple to implement.
  • the second PUCCH resource in the third aspect is referred to as the fifth PUCCH resource in the embodiment of the specification.
  • the second PUCCH resource has the same format as the PUCCH resource used to carry the HARQ response information before the HARQ response information is multiplexed, and / or, the second PUCCH resource and the The PUCCH resources used to carry the HARQ response information before the HARQ response information is multiplexed have the same time-frequency domain size.
  • the resource with the same PUCCH resource format as the original HARQ response information is preferentially selected, and there is no need to re-encode the HARQ response information to reduce processing overhead.
  • the difference between the start time of the second PUCCH resource and the time when the terminal side device receives the first indication is greater than or equal to the terminal side device's preparation of the PUCCH resource time.
  • an embodiment of the present application provides a method for transmitting uplink control information, including:
  • the network-side device sends first information to the terminal-side device, where the first information indicates at least one physical uplink control channel PUCCH resource, where the at least one PUCCH resource is used to carry HARQ response information when uplink preemption occurs.
  • the network-side device allocates first uplink resources to the terminal-side device, where the first uplink resources are used to transmit HARQ response information.
  • the network side device sends a first indication to the terminal device, where the first indication indicates that the second uplink resource is preempted, and the second uplink resource overlaps with the first uplink resource.
  • the network side device receives HARQ response information from the terminal device through the first PUCCH resource in the at least one PUCCH resource.
  • the network-side device allocates two types of uplink resources for transmitting HARQ response information to the terminal-side device-the first uplink resource originally used to carry HARQ response information and some of the first uplink resource Or at least one PUCCH resource used to transmit HARQ response information if all resources are preempted.
  • the terminal-side device may use the first uplink resource to send HARQ response information by default, and when a preemption indication is received, use one of the at least one PUCCH resource to send HARQ response information.
  • This solution is relatively simple to implement, does not need to modify the protocol of higher layers (such as RRC layer), and does not need to be rescheduled when preemption occurs, which can save signaling overhead.
  • the first uplink resource is a PUCCH resource that carries only the HARQ response information in all types of uplink control information; the format of the first PUCCH resource and that of the first uplink resource The format is the same.
  • the first uplink resource is a PUCCH resource for multiplexing the HARQ response information and other types of uplink control information other than the HARQ response information, or the first uplink resource It is a physical uplink shared channel PUSCH resource for multiplexing the HARQ response information; the format of the first PUCCH resource is the same as the format of the PUCCH resource used for carrying the HARQ response information before multiplexing.
  • the difference between the start time of the first PUCCH resource and the time when the first indication is received is greater than or equal to the time when the terminal device prepares the PUCCH resource.
  • the first information includes time-frequency location information of each PUCCH resource in the at least one PUCCH resource and a format of each PUCCH resource.
  • the present application provides an apparatus.
  • the device has a function to realize the terminal-side device according to the first aspect to the third aspect, for example, the device includes a module or unit corresponding to the terminal-side device performing the steps according to the first aspect to the third aspect or Means, the functions or units or means may be implemented by software, or by hardware, or may be implemented by hardware executing corresponding software.
  • the apparatus includes a processing unit and a transceiver unit, and the functions performed by the processing unit and the transceiver unit may correspond to the steps performed by the terminal-side devices involved in the first aspect to the third aspect.
  • the device includes a processor, and may further include a transceiver, the transceiver is used to receive and send signals, and the processor executes program instructions to accomplish any of the above first to third aspects.
  • the device includes a processor, and may further include a transceiver, the transceiver is used to receive and send signals, and the processor executes program instructions to accomplish any of the above first to third aspects.
  • the device may further include one or more memories, and the memories are used to couple with the processor.
  • the one or more memories may be integrated with the processor, or may be set separately from the processor, which is not limited in this application.
  • the memory stores necessary computer program instructions and / or data for realizing the functions of the terminal-side devices involved in the first to third aspects.
  • the processor may execute computer program instructions stored in the memory to complete the method executed by the terminal-side device in any possible design or implementation manner of the first aspect to the third aspect.
  • the present application provides an apparatus.
  • the device has a function to realize the network-side device according to the fourth aspect above.
  • the device includes a module or unit or means corresponding to the steps performed by the network-side device according to the fourth aspect.
  • the function, unit or means may be implemented by software, or by hardware, or may be implemented by hardware executing corresponding software.
  • the apparatus includes a processing unit and a transceiver unit, and the functions performed by the processing unit and the transceiver unit may correspond to the steps performed by the network-side device involved in the fourth aspect.
  • the communication device includes a processor, and may further include a transceiver for receiving and sending signals, and the processor executes program instructions to complete any possible design in the fourth aspect above Or the method executed by the network side device in the implementation manner.
  • the device may further include one or more memories, and the memories are used to couple with the processor.
  • the one or more memories may be integrated with the processor, or may be set separately from the processor, which is not limited in this application.
  • the memory stores necessary computer program instructions and / or data that implement the functions of the network-side device according to the fourth aspect.
  • the processor may execute computer program instructions stored in the memory to complete the method executed by the network-side device in any possible design or implementation manner of the fourth aspect.
  • the present application provides a chip that can communicate with a memory, or the chip can include a memory, and the chip executes program instructions stored in the memory to implement the first to the foregoing aspects
  • the present application provides a computer storage medium that stores computer-readable instructions, which when executed, causes the terminal-side device involved in the first to fourth aspects to be implemented Or the corresponding function of the network side device.
  • the present application also provides a computer program product containing a software program, which when executed on a computer, enables the corresponding functions of the terminal-side device or the network-side device designed in the first to fourth aspects to be realized.
  • the present application further provides a communication system including the terminal-side device and / or the network-side device according to the first to sixth aspects.
  • FIG. 1 is a schematic structural diagram of a wireless communication system provided by an embodiment of the present application.
  • FIG. 2 is a schematic diagram of time-frequency resources of URLLC service data preempting eMBB service data provided by an embodiment of the present application
  • 3A is a schematic diagram of a downlink PI and a corresponding indication area provided by an embodiment of this application;
  • 3B is a schematic diagram of an indication area division provided by an embodiment of this application.
  • FIG. 3C is another schematic diagram of indication area division provided by an embodiment of the present application.
  • FIG. 5 is a schematic diagram of multiplexing PUCCH resources provided by an embodiment of the present application.
  • FIG. 6 is a schematic diagram of multiplexing PUSCH resources provided by an embodiment of the present application.
  • FIG. 7 is a flow chart of a method for transmitting uplink control information provided by an embodiment of the present application.
  • FIG. 8A is a schematic diagram of an uplink PI and a corresponding indication area provided by an embodiment of the present application.
  • 8B is a schematic diagram of another uplink PI and a corresponding indicator area provided by an embodiment of the present application.
  • 8C is a schematic diagram of yet another uplink PI and corresponding indication area provided by an embodiment of the present application.
  • 8D is a schematic diagram of resource preemption transmission HARQ response information corresponding to a first possible solution provided by an embodiment of the present application.
  • 9A is a schematic flowchart of an uplink control information transmission method corresponding to a scenario in which multiplexing and preemption occurs according to an embodiment of the present application;
  • 9B is a schematic flowchart of a method for transmitting uplink control information corresponding to a scenario in which PUCCH resources are multiplexed and a preemption occurs according to an embodiment of the present application;
  • FIG. 10 is a schematic flowchart of an uplink control information transmission method corresponding to a second possible solution provided by an embodiment of this application;
  • 11A is a schematic flowchart of an uplink control information transmission method corresponding to a scenario in which PUCCH resources are multiplexed and a preemption occurs according to an embodiment of the present application;
  • 11B is a schematic diagram of multiplexing PUCCH resource preemptive transmission HARQ response information corresponding to a second possible solution of an embodiment of this application;
  • 11C is a schematic flowchart of a method for transmitting uplink control information corresponding to a scenario in which PUSCH resources are multiplexed and a preemption occurs according to an embodiment of the present application;
  • 11D is a schematic diagram of multiplexing PUSCH resource preemptive transmission HARQ response information corresponding to a second possible solution of an embodiment of this application;
  • FIG. 12 is a schematic flowchart of a method for transmitting uplink control information corresponding to a third possible solution provided by an embodiment of this application;
  • FIG. 13 is a schematic diagram of multiplexing PUSCH resource preemptive transmission HARQ response information corresponding to a third possible solution of an embodiment of this application;
  • FIG. 14 is a schematic structural diagram of an apparatus 1400 provided by an embodiment of this application.
  • FIG. 15 is a schematic structural diagram of an apparatus 1500 provided by an embodiment of this application.
  • 16 is a schematic structural diagram of a base station 1600 provided by an embodiment of this application.
  • FIG. 17 is a schematic structural diagram of a terminal device 1700 provided by an embodiment of this application.
  • the embodiments of the present application can be applied to, but not limited to, 5G systems, which are also called new radio (NR) systems; they can also be applied to LTE systems, long-term evolution-advanced (LTE-A) systems , Enhanced Long Term Evolution (enhanced long term evolution-advanced, eLTE) and other third-generation partnership projects (3GPP) and other related cellular systems.
  • 5G systems which are also called new radio (NR) systems
  • LTE-A long-term evolution-advanced
  • eLTE enhanced Long Term Evolution
  • 3GPP third-generation partnership projects
  • the mobile communication system includes a core network device 110, a radio access network device 110, and at least two terminal devices (such as terminal device 130 and 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 may be independent and different physical devices, or they may integrate the functions of the core network device and the logical function of the wireless access network device on the same physical device, or may be a physical device It integrates the functions of some core network devices and some of the wireless access network devices.
  • the terminal device may be fixed or mobile.
  • FIG. 2 is only a schematic diagram, and the communication system may also include other network devices, such as wireless relay devices and wireless backhaul devices, which are not shown in FIG. 2.
  • the embodiments of the present application do not limit the number of core network devices, radio access network devices, and terminal devices included in the mobile communication system.
  • the wireless access network device is an access device in which the terminal device accesses the mobile communication system in a wireless manner, and may be a base station, such as a Node B (NodeB), an evolved Node B (eNodeB), a 5G mobile communication system
  • NodeB Node B
  • eNodeB evolved Node B
  • 5G mobile communication system The base station in the future, the base station in the future mobile communication system, or the access node in the WiFi system, etc., the embodiments of the present application do not limit the specific technology and the specific device form adopted by the wireless access network device.
  • radio access network equipment are: gNB, transmission reception point (TRP), evolved Node B (evolved Node B, eNB), radio network controller (radio network controller, RNC), node B (Node B, NB), base station controller (BSC), base transceiver station (BTS), home base station (for example, home evolved NodeB, or home Node B, HNB), baseband unit ( base unit (BBU), or wireless fidelity (Wifi) access point (AP), etc.
  • the radio access network device may include a centralized unit (CU) node and a distributed unit (DU) node. This structure splits the protocol layer of the eNB in the long term evolution (LTE) system, part of the protocol layer functions are centralized in the CU, and the remaining part or all of the protocol layer functions are distributed in the DU. Centralized control of DU.
  • LTE long term evolution
  • Terminal-side device may be the foregoing terminal device, or one or more chips in the foregoing terminal device, or a module in the terminal device.
  • the terminal device will be taken as an example in the subsequent description.
  • a terminal device may also be called a terminal, a user equipment (UE), a mobile station (MS), a mobile terminal (MT), or the like.
  • Terminal devices can be mobile phones, tablets, computers with wireless transceiver functions, virtual reality (Virtual Reality, VR) terminal devices, augmented reality (Augmented Reality, AR) terminal devices, industrial control (industrial control) ), Wireless terminals in self-driving (self-driving), wireless terminals in remote surgery (remote medical), wireless terminals in smart grid (smart grid), wireless in transportation safety (transportation safety) Terminals, wireless terminals in smart cities, wireless terminals in smart homes, etc.
  • VR Virtual Reality
  • AR Augmented Reality
  • Wireless terminals in self-driving self-driving
  • wireless terminals in remote surgery remote surgery
  • wireless terminals in smart grid smart grid
  • wireless in transportation safety (transportation safety) Terminals wireless terminals in smart cities, wireless terminals in smart homes, etc.
  • Wireless access network equipment and terminal equipment can be deployed on land, including indoor or outdoor, handheld or in-vehicle; they can also be deployed on the water; they can also be deployed on airplanes, balloons and satellites in the air.
  • the embodiments of the present application do not limit the application scenarios of the wireless access network device and the terminal device.
  • the URLLC service has extremely high requirements on the delay, and the transmission delay is generally required to be within 1 millisecond (ms).
  • the minimum time scheduling unit is a transmission time interval (transmission time interval, TTI) of 1ms.
  • TTI transmission time interval
  • the data transmission of the wireless air interface can use a shorter time scheduling unit, for example, a mini-slot or a time slot with a larger subcarrier interval is used as the minimum time scheduling unit.
  • a mini-slot includes one or more time domain symbols, where the time domain symbols may be orthogonal frequency division multiplexing (orthogonal frequency division multiplexing, OFDM) symbols.
  • the corresponding time length is 1 ms; for a time slot with a subcarrier spacing of 60 kHz, the corresponding The length of time is shortened to 0.25ms.
  • the data volume of the eMBB service is relatively large, and the transmission rate is relatively high. Therefore, a longer time scheduling unit is usually used for data transmission to improve transmission efficiency. For example, in a 5G system, a 1ms time slot with a 15kHz subcarrier interval is used , Contains 14 time domain symbols.
  • URLLC service data usually adopts a shorter time scheduling unit to meet the requirement of ultra-short delay. For example, two time domain symbols separated by 15 kHz subcarriers are used, and the corresponding time length is 1 / 7ms.
  • the radio access network equipment Due to the suddenness of the data of the URLLC service, in order to improve the utilization rate of the system resources, the radio access network equipment usually does not reserve resources for the data transmission of the URLLC service.
  • the wireless access network device may use the preemption method to serve the URLLC service in order to meet the ultra-short delay requirements of the URLLC service.
  • Data allocation resources As shown in FIG. 2, preemption here means that the radio access network device selects some or all of the time-frequency resources that have been allocated to transmit a service (such as eMBB service) to other services ( For example, URLLC service of other UEs) transmission.
  • Preemption includes downlink preemption and uplink preemption.
  • all or part of the downlink time-frequency resources allocated to an eMBB UE are preemptively allocated to other UEs for URLLC service transmission or URLLC services of the eMBB UE.
  • the NR protocol defines a downlink preemption indicator (Pre-emption indicator, PI) in DCI format 2_1.
  • the downlink preemption indicator is used to indicate that the UE corresponds to the occupied time-frequency resources.
  • a 14-bit bitmap can be used to indicate the indication area between two preemption indication periods.
  • PI2 is used to indicate the indication area corresponding to the period of PI1
  • PI3 is used to indicate the corresponding area of PI2
  • the indication area of the period There are two types of instructions, namely (1,14) or (2,7). Wherein (1, 14) indicates that the indication area including the time domain symbol is divided into 14 consecutive parts, as shown in FIG.
  • each part corresponds to the indication by 1 bit.
  • (2,7) means that the frequency domain included in the indication area is divided into two equal parts, and the time domain symbol is divided into seven consecutive parts, for a total of 14 parts.
  • each part is indicated by 1 bit. For example, a bit of 1 indicates that there is no transmission of this UE on the corresponding time-frequency resource, that is, it is occupied.
  • the downlink preemption is to notify the UE to preempt the area after the preemption transmission is completed, and the uplink preemption indication needs to send the corresponding indication information to the preempted UE before the preemption occurs (indicating the impending preemption information), so that the preempted UE is preempting Stop sending data within the indicated preempted area.
  • the preempted UE is eMBB UE, ie UE_A in FIG.
  • various resources in various embodiments of the present application may be only time domain resources, only frequency domain resources, or a combination of time domain resources and frequency domain resources.
  • the preempted resources indicated in the preemption indication may be only time domain resources, only frequency domain resources or a combination of time domain resources and frequency domain resources.
  • the NR protocol only defines the downlink preemption method, and the uplink preemption indication needs to be discussed and defined.
  • PUSCH physical uplink shared channel
  • Stop sending Specifically, after receiving the uplink preemption instruction, the UE cancels the transmission of the occupied PUSCH.
  • the received data may not be recovered.
  • DMRS demodulated reference information
  • uplink control information may also be preempted.
  • the uplink control information may include hybrid automatic repeat request (HARQ) response information, scheduling request (SR) and channel state information (channel) information (CSI).
  • HARQ response information may also be referred to as HARQ-ACK information.
  • the HARQ response information may be an acknowledgement (ACKnowledgement, ACK) or a negative acknowledgement (negative acknowledgement, NACK). If the preempted uplink resource is used to transmit information with a higher priority, such as HARQ response information, if sending or stopping transmission is adopted, the probability of successfully recovering the HARQ response information is low, and a high priority HARQ response cannot be guaranteed The message was successfully sent.
  • the embodiments of the present application provide an uplink control information transmission method and device.
  • the uplink resource of the high priority HARQ response information transmitted by the UE is preempted, the opportunity for reporting the high priority HARQ response information is increased, and No new scheduling overhead is introduced.
  • the method and the device are based on the same inventive concept. Since the principles of the method and the device to solve the problem are similar, the implementation of the device and the method can be referred to each other, and the repetition is not repeated here.
  • a resource used to bear HARQ response information is referred to as a first uplink resource.
  • the resource configured by the radio access network device to carry the uplink control information may be a PUCCH resource.
  • the PUCCH format of the PUCCH resource may include the following five types, as shown in Table 1.
  • a PUCCH format whose symbol length can be less than or equal to a preset threshold is called a short PUCCH format, for example, the preset threshold is 2.
  • PUCCH format 0 and PUCCH format 2 may be referred to as short PUCCH formats
  • the number of OFDM symbols occupied by PUCCH resources in short PUCCH format is 1-2
  • PUCCH formats 1, 3, and 4 may be referred to as long PUCCH formats
  • the number of OFDM symbols occupied by PUCCH resources in long PUCCH format is 4-14.
  • the bearer HARQ response information is generally configured separately from the PUCCH resources used to carry SR and CSI.
  • the PUCCH resources used to carry the SR and the PUCCH resources used to carry the CSI are configured at a high level, and the CSI will be sent on the configured PUCCH resources used to carry the CSI according to the configuration period. If a scheduling request is generated, the scheduling request may be sent on the configured PUCCH resource for carrying the SR according to the configuration period.
  • the terminal device determines the PUCCH resource used to carry the HARQ response information according to the number of HARQ response information bits to be fed back and downlink control information (DCI).
  • DCI downlink control information
  • the terminal device receives configuration information from the radio access network device, and the configuration information includes multiple PUCCH resource sets.
  • the radio access network device may carry the configuration information in high-level radio resource control (RRC) signaling and send it to the terminal device.
  • RRC radio resource control
  • Each PUCCH resource set includes one or more PUCCH resources, and the PUCCH resources included in the multiple PUCCH resource sets are used to transmit uplink information.
  • the terminal device selects one PUCCH resource set among multiple PUCCH resource sets according to the number of bits of HARQ response information to be fed back, and determines the PUCCH resource selected in the selected PUCCH resource set according to the PUCCH resource indication field in the downlink control information .
  • the selected PUCCH resources in all types of uplink control information are only used to carry HARQ response information.
  • the PUCCH resource carrying the HARQ response information is a specific PUCCH resource configured by a higher layer, and the specific PUCCH resource is only used in all types of uplink control information To carry HARQ response information.
  • the PUCCH resources used for carrying HARQ response information or specific PUCCH resources configured by higher layers determined according to the number of bits of the HARQ response information fed back and DCI are referred to as second PUCCH resources, and the second PUCCH resources
  • the uplink control information carried by the resource includes only HARQ response information.
  • the second PUCCH resource is a PUCCH resource used only for carrying HARQ response information in all uplink control information.
  • the second PUCCH resource overlaps with the PUCCH resource carrying other types of uplink control information (including channel state information CSI and / or scheduling request SR) in the time domain, and meets For multiplexing timing requirements, HARQ response information and other types of uplink control information can be multiplexed and sent on one PUCCH resource. See FIG. 5.
  • HARQ response information and other types of uplink control information can be multiplexed and sent on one PUCCH resource. See FIG. 5.
  • CSI channel state information
  • a / N indicates HARQ response information.
  • the second PUCCH resource used to carry A / N overlaps with the PUCCH resource used to carry CSI in the time domain.
  • the terminal device multiplexes A / N and CSI on one PUCCH resource. send.
  • the A / N may be multiplexed and transmitted on the PUCCH resources used to carry CSI. If the PUCCH resources used to carry A / N are sufficient to carry CSI and A / N, the CSI may also be multiplexed and transmitted on the second PUCCH resource. If the number of bits carried by the PUCCH resource used to carry CSI is less than the sum of the number of bits of CSI and A / N, one PUCCH resource may be re-selected among multiple PUCCH resource sets included in the configuration information to carry CSI and A / N.
  • a PUCCH resource that multiplexes HARQ response information and other types of uplink control information is referred to as a third PUCCH resource. It should be noted that the embodiment of the present application does not specifically limit the determination method of the third PUCCH resource after multiplexing.
  • the HARQ response information may be multiplexed onto the PUSCH for transmission, see FIG. 6 As shown.
  • the first uplink resource carrying the HARQ response information may be the second PUCCH resource, the multiplexed third PUCCH resource, or the multiplexed PUSCH resource.
  • the following describes in detail the transmission scheme of HARQ response information when some or all of the first uplink resources carrying HARQ response information of the terminal device are preempted.
  • the first possible solution the higher layer (for example, through the RRC layer to the terminal side device) pre-configures PUCCH resources, which is used to transmit HARQ response information in the scenario of uplink preemption.
  • the first uplink resource may be the second PUCCH, or the multiplexed third PUCCH resource, or the multiplexed PUSCH resource.
  • the second possible solution when the first uplink resource is the multiplexed third PUCCH resource or PUSCH resource, if the second PUCCH resource carrying HARQ response information before multiplexing is not occupied, it can fall back to before multiplexing Send HARQ response information on the second PUCCH resource.
  • a new PUCCH resource may be found in the resource area not occupied by the PUSCH for transmission.
  • the device that performs the transmission of uplink control information may be a terminal-side device, which may be a terminal device, or one or more chips in the terminal device, or one or processor in the terminal device, or one in the terminal device Modules, etc., the terminal device is used as an example in the subsequent description.
  • the terminal device receives first information, where the first information indicates at least one PUCCH resource.
  • At least one PUCCH resource is a PUCCH resource used for sending HARQ response information when uplink preemption occurs.
  • the first information may be configured by the radio access network device to the terminal device through high-level radio resource control (RRC) signaling.
  • RRC radio resource control
  • the network side device may be a wireless access network device, or one or more chips in the wireless access network device, or one or more processors in the wireless access network device, or one of the wireless access network devices Modules, etc.
  • wireless access network equipment is used as an example.
  • the first information may indicate one PUCCH resource set, and the PUCCH resource set includes at least one PUCCH resource.
  • the PUCCH resources in the PUCCH resource set indicated by the first information are used to carry HARQ response information when uplink preemption HARQ response information occurs.
  • the first information may include time-frequency location information of each PUCCH resource in the at least one PUCCH resource and a format adopted by each PUCCH resource.
  • the second message includes at least one PUCCH resource number, where each PUCCH resource number is used to indicate a PUCCH format and time-frequency resource location.
  • the second message includes a time-frequency location index and a format index. Different time-frequency location indexes are used to indicate PUCCH resources at different time-frequency locations, and different format indexes indicate different formats.
  • the second message includes the starting position of the time domain where each PUCCH resource is located, and the number of symbols occupied by the PUCCH resource.
  • the second message includes the time domain start position and time domain end position where each PUCCH resource is located, and the subcarrier where it is located.
  • the number of PUCCH resources indicated by the first information may be one or multiple.
  • the number of PUCCH resources configured by RRC can be 2-5. If the number of configured PUCCH resources is 2, it is possible to configure only PUCCH format 0 and format 2, two types of PUCCH resource formats, so that the reservation overhead can be reduced. As another example, when the number of configured PUCCH resources is 5, all PUCCH formats are included, see the PUCCH format shown in Table 1.
  • the multiple PUCCHs may satisfy at least one of the following conditions in the time-frequency domain:
  • different PUCCH resources may have overlapping or non-overlapping time-frequency positions.
  • the time-frequency positions of different PUCCH resources can be overlapped and located in the same resource area.
  • the resource area of PUCCH format 0 PUCCH resources is located in the resource area of PUCCH format 2 PUCCH resources. In this way, the reservation can be reduced Overhead.
  • the PUCCH resource indicated by the first information occupies the last X symbols of the time slot, such as the PUCCH resource in the short PUCCH format, X is less than or equal to 2, the number of symbols occupied by the short PUCCH format is 1 or 2, therefore, the short PUCCH format
  • the PUCCH resource can occupy the last symbol or the last two symbols of the time slot.
  • X is less than or equal to 14. Since the number of symbols occupied by long PUCCH format is 4-14, taking 4 as an example, long PUCCH format PUCCH resources can occupy the last 4 symbols of the time slot .
  • the terminal device determines a first uplink resource, where the first uplink resource is used to carry HARQ response information.
  • the network side device may directly allocate the first uplink resource to the terminal device through high layer signaling (eg, RRC signaling); or the network side device notifies the terminal device of multiple candidate uplink resources through high layer signaling, and then In a certain HARQ response information transmission process, the first uplink resource is indicated from the plurality of candidate uplink resources through DCI, or the terminal device does not need to re-instruct the DCI and selects itself from the plurality of candidate uplink resources The first uplink resource is determined.
  • high layer signaling eg, RRC signaling
  • the terminal device When receiving the first indication, the terminal device sends the HARQ response information through the first PUCCH resource of the at least one PUCCH resource.
  • the network side device receives the HARQ response information from the terminal device through the first PUCCH resource in the at least one PUCCH resource.
  • the first indication indicates that the second uplink resource is preempted.
  • the second uplink resource is preempted.
  • the second uplink resource is not used for the terminal device to send data.
  • the second uplink resource overlaps with the first uplink resource.
  • the first uplink resource may be the second PUCCH, or the multiplexed third PUCCH resource, or the multiplexed PUSCH resource.
  • the first indication may also be referred to as an uplink preemption indication in some documents, and may also be referred to as an interrupt transmission indication.
  • the terminal device After receiving the preemption instruction, the terminal device determines its preempted resources, and stops the transmission of control or service data on the preempted resources.
  • the first indication may be in the form of a downlink preemption indication, and a bitmap of preset bits (such as 14 bits) is used to indicate the indication area between two preemption periods.
  • the indication area of PI1 is the area from the reception of PI2 to the reception of the next indication of the start position of PI3.
  • the indication area of PI1 is the area from the end position of PI1 to the end position of the next indication P12
  • the indication area of PI2 is the area from the end position of PI2 to the end position of the next indication PI3.
  • FIG. 8A the indication area of PI1 is the area from the reception of PI2 to the reception of the next indication of the start position of PI3.
  • the indication area of PI1 is the area from the end position of PI1 to the end position of the next indication P12
  • the indication area of PI2 is the area from the end position of PI2 to the end position of the next indication PI3.
  • the indication area of PI1 is an area from when PI1 receives the preset duration to the next indication that PI2 passes the preset duration, and the preset duration may be several symbols.
  • (1, 14) indicates that the indication area including the time domain symbol is divided into 14 consecutive parts, and each part corresponds to the indication by 1 bit.
  • (2,7) means that the frequency domain included in the indication area is divided into two equal parts, and the time domain symbol is divided into seven consecutive parts, a total of 14 parts, and each part is indicated by 1 bit. For example, a bit of 1 indicates that the corresponding time-frequency resource is occupied.
  • the first indication may also indicate the specifically occupied second uplink resource, for example, indicating the time domain position and the frequency domain position where the second uplink resource is located. For example, it indicates the starting position of the time domain and the number of symbols occupied by the time domain, and the subcarrier where the indication is located. As another example, the time domain start position and the time domain end position are indicated, and the subcarrier where the indication is located.
  • the first indication may also be used only to indicate the time domain position of the specifically seized second uplink resource, for example, to indicate the time domain start position and the number of symbols occupied by the time domain.
  • the time domain start position and the time domain end position are indicated.
  • the first PUCCH resource selected from the at least one PUCCH resource needs to be satisfied, and the difference between the start time of the first PUCCH resource and the time when the terminal receives the first indication Greater than or equal to the time when the terminal device prepares the PUCCH resource. That is, it is necessary to ensure that the first PUCCH resource can be generated in time, that is, before receiving the first indication and before sending the first symbol of the PUCCH resource, there is sufficient time to complete the analysis of the first indication and generate a new PUCCH resource.
  • the time may be in units of symbols or absolute time (eg, microseconds, seconds, minutes, hours). If the time is in units of symbols, the first PUCCH resource selected among the at least one PUCCH resource must be satisfied, and the difference between the start symbol of the first PUCCH resource and the end symbol received by the terminal in the first indication Greater than or equal to the time when the terminal device prepares the PUCCH resource.
  • the time when the terminal device prepares the PUCCH resource may be the time between the end of the last symbol of the terminal device receiving the first indication and the earliest generation of the first symbol of the first PUCCH resource.
  • the preparation time of the PUCCH resource of the terminal device can be represented by T_proc.
  • T_proc can be measured in units of symbols, which is related to the terminal processing capability and the subcarrier interval used by the downlink channel receiving the first indication, as shown in Table 2 and Table 3.
  • Table 2 is used to describe the terminal devices with common processing capabilities. Under different parameter sets (numerology), the size of T_proc. Table 3 is used to describe the terminal equipment that enhances the processing capability. Under different numerology, the size of T_proc. Among them, ⁇ represents the index of the parameter set.
  • the symbol unit adopted by T_proc in Tables 2 and 3 is the symbol unit under the subcarrier interval indicated by corresponding ⁇ .
  • T_proc represents the time when the terminal equipment prepares the PUCCH resource.
  • UE_A represents the preempted terminal equipment
  • UE_B represents the preempted terminal equipment.
  • the radio access network device After receiving the SR of UE_A, the radio access network device determines that the second uplink resource allocated to UE_A needs to seize the first uplink resource of UE_B, and sends a first indication to UE_B. After receiving the first indication, UE_B may select a first PUCCH resource from at least one PUCCH resource configured by the radio access network device, and send HARQ response information through the selected first PUCCH resource.
  • the first PUCCH resource selected from at least one PUCCH resource may be passed under the condition that the first PUCCH resource is not preempted and the resource can be generated in time Any of the following methods:
  • the format of the first PUCCH resource is the same as the format of the second PUCCH resource, that is, the PUCCH resource that is the same as the PUCCH format of the second PUCCH resource is selected among multiple PUCCH resources.
  • the first PUCCH resource is a PUCCH resource in a first format among the at least one PUCCH resource.
  • the PUCCH format of the at least one PUCCH resource is different from the PUCCH format of the second PUCCH resource.
  • the first format may be a short PUCCH format, such as PUCCH format 0 or PUCCH format 2.
  • the number of symbols occupied by the PUCCH resource in the first format does not exceed 2.
  • the PUCCH resource of the first format may be selected as the first PUCCH resource among multiple PUCCH resources.
  • the PUCCH formats of the multiple PUCCH resources are different from the PUCCH format of the second PUCCH resource, for example, the PUCCH formats of the multiple PUCCH resources are PUCCH format 0 and PUCCH format 2, the first When the PUCCH resource of the second PUCCH resource is the long PUCCH format, the PUCCH resource of PUCCH format 0 or PUCCH format 2 may be selected as the first PUCCH resource among at least one PUCCH resource according to the number of bits of the HARQ response information.
  • the PUCCH resource serves as the first PUCCH resource.
  • the first PUCCH resource is a PUCCH resource in a first format among the at least one PUCCH resource. Specifically, the terminal device may select the PUCCH resource in the first format among the multiple PUCCH resources as the first PUCCH resource.
  • the first format may be PUCCH format 0 or PUCCH format 2.
  • the terminal device selects one PUCCH resource among the multiple PUCCH resources as the first PUCCH resource according to the number of bits of the HARQ response information.
  • the at least one PUCCH resource If the number of bits carried by the at least one PUCCH resource is less than the number of bits of the HARQ response information, update the HARQ response information generated according to the coding block group to generate the HARQ response information according to the transport block, And select the first PUCCH resource among the at least one PUCCH resource based on the updated number of bits of HARQ response information, and send the updated HARQ response information through the selected first PUCCH resource.
  • the wireless access network device sends configuration information to the terminal device, where the configuration information is used to indicate at least one PUCCH resource set.
  • the PUCCH resources included in at least one PUCCH resource set are used to transmit uplink resources.
  • the wireless access network device sends DCI to the terminal device.
  • the DCI includes a PUCCH resource indication field, and the PUCCH resource indication field is used to indicate the PUCCH resource selected in the PUCCH resource set.
  • the radio access network device sends first information to the terminal device, where the first information indicates at least one PUCCH resource. At least one PUCCH resource is used to transmit HARQ response information in a scenario where preemption occurs.
  • the time sequence between S901a and S903a is not limited, and S901a may be earlier than S903a, or later than S903a, or may be sent in the same signaling.
  • the terminal device selects one PUCCH resource from the at least one PUCCH resource set according to the number of bits of HARQ response information to be fed back.
  • Different PUCCH resource sets include different numbers of bits that can be carried on PUCCH resources.
  • the terminal device selects the second PUCCH resource in the PUCCH resource set according to the first indication field in the DCI.
  • the terminal device determines the first uplink resource, that is, the second PUCCH resource in the PUCCH resource set selected according to the first indication field in the DCI.
  • the PUCCH resource carrying the HARQ response information may be a specific PUCCH resource configured by a higher layer, and the specific PUCCH resource is in all types of uplink control information Is only used to carry HARQ response information. Therefore, the second PUCCH resource may be the specific PUCCH resource.
  • the second PUCCH resource is taken as an example of a PUCCH resource carrying HARQ response information determined based on the number of HARQ response information bits and DCI. It should be noted that the embodiments described later take the second PUCCH resource as an example determined based on the number of bits of HARQ response information and DCI.
  • the HARQ response information is sent on the second PUCCH resource.
  • the first indication indicates that the second uplink resource is preempted, and the second uplink resource overlaps with the second PUCCH resource.
  • the terminal device selects a first PUCCH resource from the at least one PUCCH resource. There is no overlap between the first PUCCH resource and the second uplink resource.
  • the manner of selecting the first PUCCH resource is as described above, and details are not described here.
  • the terminal device sends the HARQ response information on the first PUCCH resource.
  • S901b-S905b please refer to S901a-S905a, which will not be repeated here.
  • the terminal device determines a fourth PUCCH resource for carrying CSI.
  • the fourth PUCCH resource may be a resource configured by higher layer signaling to carry CSI.
  • the terminal determines the fourth PUCCH resource, that is, determines that there is CSI to send, that is, determines that the fourth PUCCH resource carries CSI.
  • the execution sequence between S904b and S906b is not specifically limited.
  • S904b may be earlier than S906b, may be later than S906b, or may be executed at the same time.
  • the terminal device determines a third PUCCH resource for multiplexing the HARQ response information and the CSI.
  • the determination method of the third PUCCH resource is as described above, and will not be repeated here.
  • the terminal device determines the first uplink resource, that is, the third PUCCH resource used for multiplexing the HARQ response information and the CSI.
  • the HARQ response information is sent on the third PUCCH resource.
  • the first indication indicates that the second uplink resource is preempted, and the second uplink resource overlaps with the third PUCCH resource.
  • the terminal device When receiving the first indication, the terminal device selects the first PUCCH resource from the at least one PUCCH resource. There is no overlap between the first PUCCH resource and the second uplink resource. The manner of selecting the first PUCCH resource is as described above, and details are not described here.
  • the terminal device sends the HARQ response information on the first PUCCH resource.
  • the terminal device determines a first uplink resource, where the first uplink resource is a PUCCH resource used for multiplexing a hybrid automatic repeat request HARQ response information and other types of uplink control information, or the first uplink resource is A physical uplink shared channel PUSCH resource used for multiplexing the HARQ response information.
  • the terminal device determines the first uplink resource in a manner similar to S702.
  • the terminal device receives a first indication, the first indication indicates that a second uplink resource is preempted, and the second uplink resource overlaps with the first uplink resource.
  • the first indication comes from the wireless access network device.
  • the first indication may also be called an uplink preemption indication, and may also be called an interrupt transmission indication.
  • the first uplink resource is a PUCCH resource used for multiplexing HARQ response information and other types of uplink control information other than the HARQ response information, or the first uplink resource is used for multiplexing the HARQ response
  • the physical uplink shared channel PUSCH resources of the information are a PUCCH resource used for multiplexing HARQ response information and other types of uplink control information other than the HARQ response information, or the first uplink resource is used for multiplexing the HARQ response.
  • the terminal device sends the HARQ response information through a PUCCH resource used to carry the HARQ response information before the HARQ response information is multiplexed.
  • the PUCCH resource used to carry the HARQ response information before the HARQ response information is multiplexed is called a second PUCCH resource.
  • a PUCCH resource that multiplexes HARQ response information and other types of uplink control information other than the HARQ response information is referred to as a third PUCCH resource.
  • the second PUCCH resource used for carrying HARQ response information before the multiplexing does not overlap with the second uplink resource.
  • the difference between the start time of the second PUCCH resource used to carry HARQ response information before multiplexing and the time when the terminal device receives the first indication is greater than or It is equal to the time when the terminal equipment prepares PUCCH resources.
  • the time when the terminal device prepares the PUCCH resource please refer to the description in the first possible solution, which will not be repeated here.
  • taking the first uplink resource as a third PUCCH resource for multiplexing HARQ response information and other types of uplink control information other than the HARQ response information for example, Take other types of uplink control information as an example.
  • S1101a-S1102a please refer to S901b-S902b, no more details here.
  • S1103a-S1106a please refer to S904b-S907b, no more details here.
  • the terminal device receives the first indication.
  • the first indication indicates that the second uplink resource is preempted, and the second uplink resource is not used for the terminal device to send data.
  • the second uplink resource overlaps with the third PUCCH resource.
  • S1108a When there is no overlap between the second PUCCH resource and the second uplink resource, send the HARQ response information on the second PUCCH resource.
  • the difference between the start time of the second PUCCH resource and the time when the terminal receives the first indication is greater than or equal to the time when the terminal device prepares the PUCCH resource.
  • S1101b-S1104b please refer to S1101a-S1104a, which will not be repeated here.
  • the PUSCH resource overlaps with the second PUCCH resource, determine that the PUSCH is used to multiplex the HARQ response information.
  • the PUSCH resources are used to carry data or aperiodic CSI reports or semi-persistent CSI reports.
  • the PUSCH resource may be a PUSCH resource dynamically scheduled and indicated by downlink control information, or a semi-static resource configured by RRC signaling and activated by RRC signaling, or a semi-static resource configured by RRC signaling and activated by downlink control information.
  • S1106b The terminal device receives the first indication.
  • the first indication indicates that the second uplink resource is preempted, and the second uplink resource is not used for the terminal device to send data.
  • the second uplink resource overlaps with the PUSCH resource for multiplexing HARQ response information.
  • the terminal device determines a first uplink resource, and the first uplink resource is a PUSCH resource used for multiplexing HARQ response information.
  • the determination manner is similar to S702.
  • the terminal device receives a first indication, the first indication indicates that a second uplink resource is preempted, and there is an overlapping area between the second uplink resource and the first uplink resource.
  • the terminal device sends the HARQ response information through a fifth PUCCH resource, where the fifth PUCCH resource is an uplink resource other than the overlapping area in the first uplink resource.
  • the fifth PUCCH resource is a resource that is sufficient to bear the HARQ response information in the uplink resource except the overlapping area in the first uplink resource.
  • a new resource carrying HARQ response information is re-searched in the PUSCH resources multiplexing HARQ response information, so that there is no need to additionally reserve PUCCH resources carrying HARQ response information before multiplexing, or pre-configure reserved PUCCH resources for Used when preemption occurs, it can save overhead and does not need to introduce additional scheduling overhead.
  • the fifth PUCCH resource is sufficient to carry the HARQ response information. If there is not enough resource in the PUSCH resources other than the overlapping area to carry HARQ response information, the HARQ response information generated by the code block group (CBG) can be updated to the transport block generate. Therefore, according to the updated HARQ response information, one of the uplink resources in the PUSCH resource other than the overlapping region is selected as the fifth PUCCH resource, which can sufficiently carry the HARQ response information.
  • CBG code block group
  • the fifth PUCCH resource has the same format as the second PUCCH resource used to carry HARQ response information before multiplexing, and / or, the fifth PUCCH resource is before the multiplexing
  • the time-frequency domain size of the second PUCCH resource used to carry HARQ response information is the same.
  • the fifth PUCCH resource has the same format as the second PUCCH resource used for carrying HARQ response information before multiplexing, and the fifth PUCCH resource is used for carrying HARQ before multiplexing
  • the time-frequency domain size of the second PUCCH resource of the response information is different.
  • the number of symbols occupied by the fifth PUCCH resource is smaller than the number of symbols occupied by the second PUCCH resource, and / or the number of subcarriers occupied by the fifth PUCCH resource is smaller than the number of subcarriers occupied by the second PUCCH resource .
  • a fifth PUCCH resource carrying HARQ response information is selected from the uplink resources of the PUSCH resources except the overlapping area, and a second PUCCH resource carrying HARQ response information before multiplexing may be selected.
  • the format and resources occupy the same size in the time-frequency domain.
  • the format adopted by the fifth PUCCH resource is the short PUCCH format. That is, the PUCCH resource in the short PUCCH format is selected among the uplink resources other than the overlapping region among the PUSCH resources.
  • the short PUCCH format may be selected PUCCH resources.
  • the difference between the selected start time of the fifth PUCCH resource and the time when the terminal device receives the first indication is greater than or equal to the time when the terminal device prepares the PUCCH resource.
  • the time when the terminal device prepares the PUCCH resource please refer to the description in the first possible solution, which will not be repeated here.
  • the fifth PUCCH resource may be a time-frequency resource that can be used as the first PUCCH resource by searching for the first PUCCH resource in a time-to-back manner or a back-to-front manner.
  • the uplink resource that is not occupied by the first block may be found as the fifth PUCCH resource from the processing and timely location. After occupying the processing and timely position, a piece of uplink resource of the first symbol does not overlap with the second uplink resource, and may be used as the fifth PUCCH resource. See the area labeled 1 in FIG. 13.
  • the PUSCH resource part for multiplexing HARQ response information on UE_B is occupied by the PUSCH (second uplink resource) of UE_A, then UE_B may be in a resource area where PUSCH resources for multiplexing HARQ response information are not occupied Generate new PUCCH resources to carry HARQ response information.
  • the search may start from the first symbol after the position of the second uplink resource indicated by the first indication. For example, if a block of uplink resources adjacent to the second uplink resource in the time domain is sufficient to carry HARQ response information, it may be used as the fifth PUCCH resource. See the area labeled 2 shown in FIG. 13.
  • the search may be started from the last symbol of the multiplexed PUSCH resource.
  • a block of uplink resources occupying the last symbol of the multiplexed PUSCH resource does not overlap with the second uplink resource, and may be used as the fifth PUCCH resource. That is, the last symbol of the fifth PUCCH resource is the last symbol of the PUSCH resource. See the area labeled 3 shown in FIG. 13.
  • the present application further provides a communication device 1400, which may include a transceiver unit 1401 and a processing unit 1402.
  • the communication device 1400 can be applied to a terminal device, and the transceiver unit 1401 can be used to receive first information or a first indication, etc .; the processing unit 1402 can be used to select PUCCH resources, etc., and the specific processing unit 1402 It can be used to implement the function performed by the terminal-side device in any of the foregoing method embodiments.
  • the transceiving unit 1401 receives the first information.
  • the first information indicates at least one physical uplink control channel PUCCH resource.
  • the transceiver unit 1401 When receiving the first indication, the transceiver unit 1401 sends HARQ response information through the first PUCCH resource among the at least one PUCCH resource.
  • the first indication indicates that the second uplink resource is preempted, the second uplink resource is not used for the terminal side device to send data, and the second uplink resource and the first uplink resource for carrying HARQ response information exist overlapping.
  • the processing unit 1402 selects the first PUCCH resource from the at least one PUCCH resource.
  • the communication device 1400 may be applied to a wireless access network device, and the processing unit 1402 may be used to generate first information, which may be specifically used to implement the wireless access network described in any of the foregoing embodiments Functions performed by the device; the transceiver unit 1401 can be used to send the first information or the first indication to the terminal device.
  • the communication device 1500 may be a chip or a chip system.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • the communication device 1500 may include at least one processor 1510, and the device 1500 may further include at least one memory 1520 for storing program instructions and / or data.
  • the memory 1520 and the processor 1510 are coupled.
  • the coupling in the embodiments of the present application is an indirect coupling or communication connection between devices, units or modules, which may be in electrical, mechanical or other forms, and is used for information interaction between devices, units or modules.
  • the processor 1510 may cooperate with the memory 1520.
  • the processor 1510 may execute program instructions stored in the memory 1520.
  • at least one of the at least one memory 1520 may be included in the processor 1510.
  • the communication device 1500 may further include a communication interface 1530, and the communication device 1500 may perform information interaction with other devices through the communication interface 1530.
  • the communication interface 1530 may be a circuit, a bus, a transceiver, or any other device that can be used for information exchange.
  • the communication device 1500 may be applied to a terminal device.
  • the specific communication device 1500 may be a terminal device or a device capable of supporting the terminal device to implement the functions of the terminal device in any of the above-mentioned embodiments.
  • the memory 1520 stores computer program instructions and / or data necessary to realize the functions of the terminal device in any of the above embodiments.
  • the processor 1510 can execute computer program instructions stored in the memory 1520 to complete the method executed by the terminal device in any of the foregoing embodiments.
  • the communication device 1500 may be applied to a wireless access network device, and the specific communication device 1500 may be a wireless access network device, or may be capable of supporting the wireless access network device to implement any of the foregoing embodiments A device that functions in a wireless access network device.
  • the memory 1520 stores computer program instructions and / or data necessary to implement the functions of the wireless access network device in any of the above embodiments.
  • the processor 1510 can execute computer program instructions stored in the memory 1520 to complete the method performed by the wireless access network device in any of the foregoing embodiments.
  • the embodiment of the present application does not limit the specific connection medium between the communication interface 1530, the processor 1510, and the memory 1520.
  • the memory 1520, the processor 1510, and the communication interface 1530 are connected by a bus.
  • the bus is shown by a thick line in FIG. 15. Not limited.
  • the bus can be divided into an address bus, a data bus, and a control bus. For ease of representation, only a thick line is used in FIG. 15, but it does not mean that there is only one bus or one type of bus.
  • the processor may be a general-purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component, which may be Perform the disclosed methods, steps, and logical block diagrams in the embodiments of the present application.
  • the general-purpose processor may be a microprocessor or any conventional processor. The steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied and executed by a hardware processor, or may be executed and completed by a combination of hardware and software modules in the processor.
  • the memory may be a non-volatile memory, such as a hard disk (HDD) or a solid-state drive (SSD), etc., or a volatile memory (volatile memory), for example Random access memory (random-access memory, RAM).
  • the memory may also be any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, but is not limited thereto.
  • the memory in the embodiment of the present application may also be a circuit or any other device capable of realizing a storage function, which is used to store program instructions and / or data.
  • an embodiment of the present invention further provides a schematic structural diagram of a wireless access network device, such as a base station 1600.
  • the base station 1600 can be applied in the scenario of the communication system shown in FIG. 1.
  • the base station 1600 includes one or more radio frequency units, such as a remote radio unit (RRU) 1601 and one or more baseband units (BBU) (also called a digital unit, DU) 1602 .
  • the RRU 1601 may be referred to as a transceiver unit, a transceiver, a transceiver circuit, or a transceiver, etc. It may include at least one antenna 16011 and a radio frequency unit 16012.
  • the RRU1601 part can be used for the transmission and reception of radio frequency signals and the conversion of radio frequency signals and baseband signals, for example, for sending the signaling instructions and / or reference signals described in the above embodiments to the terminal device.
  • the BBU1602 part can be used for baseband processing and control of the base station.
  • the RRU1601 and BBU1602 may be physically arranged together, or may be physically separated, that is, distributed base stations.
  • the BBU1602 is the control center of the base station, and can also be called a processing unit, which can be used to complete baseband processing functions, such as channel coding, multiplexing, modulation, spread spectrum, and so on.
  • the BBU processing unit
  • the BBU may be used to control the base station to perform the method performed by the network device in any of the foregoing embodiments.
  • the BBU1602 may be composed of one or more boards.
  • the multiple boards may jointly support a wireless access network of a single access standard (such as an LTE network), or may support wireless access of different access standards. Access the network.
  • the BBU 1602 also includes a memory 16021 and a processor 16022.
  • the memory 16021 is used to store necessary instructions and data.
  • the memory 16021 stores the first information or configuration information in the above embodiment.
  • the processor 16022 is used to control the base station to perform necessary operations.
  • the memory 16021 and the processor 16022 can serve one or more single boards. In other words, the memory and the processor can be set separately on each board. It is also possible that multiple boards share the same memory and processor. In addition, each board can also be provided with necessary circuits.
  • FIG. 17 provides a schematic structural diagram of a terminal device.
  • FIG. 17 shows only the main components of the terminal device.
  • the terminal device 1700 can be applied to the terminal device described in any of the above embodiments of the present application.
  • the terminal device 1700 may include a processor, a memory, and a control circuit, and optionally, may also include an antenna and / or an input / output device.
  • the processor can be used to process communication protocols and communication data, as well as control terminal devices, execute software programs, and process data of software programs.
  • the memory can be used to store software programs and / or data.
  • the control circuit can be used for the conversion of the baseband signal and the radio frequency signal and the processing of the radio frequency signal.
  • the control circuit and the antenna can also be called a transceiver, which can be used to send and receive radio frequency signals in the form of electromagnetic waves.
  • Input and output devices such as touch screens, display screens, keyboards, etc., can be used to receive user input data and output data to the user.
  • the processor may read the software program in the storage unit, interpret and execute the instructions of the software program, and process the data of the software program.
  • the processor performs baseband processing on the data to be sent, and then outputs the baseband signal to the radio frequency circuit.
  • the radio frequency circuit processes the baseband signal after radio frequency processing, and then sends the radio frequency signal in the form of electromagnetic waves through the antenna.
  • the radio frequency circuit receives the radio frequency signal through the antenna, converts the radio frequency signal into a baseband signal, and outputs the baseband signal to the processor.
  • the processor converts the baseband signal into data and processes the data.
  • FIG. 17 only shows one memory and processor. In an actual terminal device, there may be multiple processors and memories.
  • the memory may also be referred to as a storage medium or storage device, etc., which is not limited in this embodiment of the present invention.
  • the processor may include a baseband processor and a central processor.
  • the baseband processor may be used to process communication protocols and communication data
  • the central processor may be used to control the entire terminal device and execute software programs. , Processing data from software programs.
  • the processor in FIG. 17 integrates the functions of the baseband processor and the central processor.
  • the baseband processor and the central processor can also be separate processors, which are interconnected through technologies such as a bus.
  • the terminal device may include multiple baseband processors to adapt to different network standards, the terminal device may include multiple central processors to enhance its processing capability, and various components of the terminal device may be connected through various buses.
  • the baseband processor can also be expressed as a baseband processing circuit or a baseband processing chip.
  • the central processor can also be expressed as a central processing circuit or a central processing chip.
  • the function of processing the communication protocol and communication data may be built in the processor, or may be stored in the storage unit in the form of a software program, and the processor executes the software program to realize the baseband processing function.
  • an antenna and a control circuit having a transceiving function may be regarded as the transceiving unit 1701 of the terminal device 1700, and a processor having a processing function may be regarded as the processing unit 1702 of the terminal device 1700.
  • the terminal device 1700 may include a transceiving unit 1701 and a processing unit 1702.
  • the transceiver unit may also be called a transceiver, a transceiver, a transceiver device, or the like.
  • the device used to implement the receiving function in the transceiver unit 1701 can be regarded as the receiving unit, and the device used to implement the sending function in the transceiver unit 1701 can be regarded as the sending unit, that is, the transceiver unit 1701 includes the receiving unit and the sending unit.
  • the receiving unit may also be called a receiver, receiver, receiving circuit, etc.
  • the sending unit may be called a transmitter, transmitter, or transmitting circuit, etc.
  • an embodiment of the present invention further provides a communication system, which includes one or more of the foregoing terminal devices and wireless access network devices.
  • the embodiments of the present application further provide a computer storage medium in which a software program is stored, which can realize any one or more of the above when read and executed by one or more processors The method provided by the embodiment.
  • the computer storage medium may include various media that can store program codes, such as a U disk, a mobile hard disk, a read-only memory, a random access memory, a magnetic disk, or an optical disk.
  • an embodiment of the present application further provides a chip including a processor for implementing the functions involved in any one or more of the above embodiments, such as acquiring or processing information involved in the above method or News.
  • the chip further includes a memory, which is used for necessary program instructions and data executed by the processor.
  • the chip may be composed of a chip, or may include a chip and other discrete devices.
  • system and “network” are often used interchangeably herein.
  • the term “and / or” in this article is just an association relationship that describes an associated object, indicating that there can be three relationships, for example, A and / or B, which can mean: A exists alone, A and B exist at the same time, exist alone B these three cases.
  • the character "/" in this article generally indicates that the related objects before and after are in an "or” relationship.
  • B corresponding to A means that B is associated with A, and B can be determined according to A.
  • determining B based on A does not mean determining B based on A alone, and B may also be determined based on A and / or other information.
  • Computer-readable media includes computer storage media and communication media, where communication media includes any medium that facilitates transfer of a computer program from one place to another.
  • a storage medium may be any available medium that can be accessed by a computer.
  • computer readable media may include RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage media or other magnetic storage devices, or can be used to carry or store in the form of instructions or data structures
  • Any connection can become a computer-readable medium as appropriate.
  • the software is transmitted from a website, server, or other remote source using coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL), or wireless technologies such as infrared, radio, and microwave
  • coaxial cable , Fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, wireless, and microwave are included in the fixing of the media.
  • disks and discs include compact discs (CDs), laser discs, optical discs, digital versatile discs (DVDs), floppy disks, and Blu-ray discs, where the discs usually replicate data magnetically, while Use laser to copy data optically.
  • CDs compact discs
  • DVDs digital versatile discs
  • floppy disks floppy disks
  • Blu-ray discs where the discs usually replicate data magnetically, while Use laser to copy data optically.
  • the above combination should also be included in the protection scope of the computer-readable medium.

Abstract

本申请实施例提供一种上行控制信息的传输方法及装置，用以解决本该用于传输HARQ应答信息第一上行资源的部分或者全部被抢占的场景下，如何传输HARQ应答信息的问题。方式一：在发生上行抢占场景下，通过高层预配置的PUCCH资源传输HARQ应答信息。方式二：在第一上行资源为复用后的PUCCH资源或者PUSCH资源时，若复用前承载HARQ应答信息的PUCCH资源未被占据，可回退到复用前的PUCCH资源上发送HARQ应答信息。方式三：在第一上行资源为复用后的PUSCH资源时，可以在PUSCH未被占据的资源区域内寻找一个新的PUCCH资源进行发送。

Description

一种上行控制信息的传输方法及装置
相关申请的交叉引用
本申请要求在2018年11月09日提交中国专利局、申请号为201811333747.3、申请名称为“一种上行控制信息的传输方法及装置”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
本申请涉及通信技术领域，尤其涉及一种上行控制信息的传输方法及装置。
背景技术
第五代(the fifth generation，5G)移动通信系统定义了三大类应用场景：增强型移动宽带(enhanced mobile broadband，eMBB)、高可靠低时延通信(ultra reliable and low latency communications，URLLC)以及海量机器类通信(massive machine type communications，mMTC)。
URLLC业务的数据包的产生具有突发性和随机性，可能在很长一段时间内都不会产生数据包，也可能在很短时间内产生多个数据包。通常系统资源的分配由基站来完成，如果基站采用预留资源的方式为URLLC业务分配资源，则在无URLLC业务的时候系统资源是浪费的。而且URLLC业务的短时延特性要求数据包在极短的时间内传输完成，所以基站需要预留足够大的带宽给URLLC业务，从而导致系统资源利用率较低。
eMBB业务的数据量比较大，而且传输速率比较高，因此通常采用一个较长的传输时间间隔(TTI)作为一个时间调度单元进行数据传输以提高传输效率。由于URLLC业务的数据的突发性，为了提高系统资源利用率，基站通常不会为URLLC业务的数据传输预留资源。当URLLC业务数据到达基站时，如果此时没有空闲的时频资源，基站为了满足URLLC业务的超短时延需求，可采用抢占(preemption)的方式，为URLLC业务数据分配资源。抢占是指基站在已经分配的、用于传输第一业务的时频资源上选择部分或全部的时频资源用作第二业务传输。这种情况下，这些时频资源本应传输第一业务，却被第二业务的传输抢占了。例如第一业务为eMBB业务或时延要求低的URLLC业务，第二业务为时延要求较高的URLLC业务。在上行抢占中，分配给某UE的上行时频资源全部或部分被抢占分配给其它UE。而被抢占的UE的上行时频资源传输有些信息的优先级较高，比如混合式自动重传请求(hybrid automatic repeat request，HARQ)应答信息，针对被抢占的UE的上行时频资源传输的高优先级的信息如何处理有待讨论。
发明内容
本申请提供一种上行控制信息的传输方法及装置，用以解决本该用于传输HARQ应答信息的第一上行资源部分或者全部被抢占的场景下，如何传输HARQ应答信息的问题。
第一方面，本申请实施例提供一种上行控制信息的传输方法，包括：
终端侧设备接收第一信息，所述第一信息指示至少一个物理上行控制信道PUCCH资 源；
所述终端侧设备确定第一上行资源，所述第一上行资源用于承载混合式自动重传请求HARQ应答信息；
所述终端侧设备在接收到第一指示的情况下，通过所述至少一个PUCCH资源中的第一PUCCH资源发送所述HARQ应答信息；
其中，所述第一指示指示第二上行资源被抢占，所述第二上行资源与所述第一上行资源存在重叠。第二上行资源被抢占，换句话说，所述第二上行资源不用于所述终端侧设备发送数据。
第一方面提供的方案，由高层信令(例如RRC信令)配置用于在抢占场景下所能用来传输HARQ应答信息的至少一个PUCCH资源给终端设备。在抢占发生时，终端设备选择一个PUCCH资源(第一PUCCH资源)来发送HARQ应答信息，可以避免抢占导致本身优先级也较高的HARQ应答信息无法上报的问题。
在一种可能的设计中，所述第一上行资源为在所有类型的上行控制信息中仅承载所述HARQ应答信息的PUCCH资源；所述第一PUCCH资源的格式与所述第一上行资源的格式相同。
上述设计，优先选择与原始用于承载HARQ应答信息的PUCCH资源格式相同的资源，无需对HARQ应答信息重新进行编码，减少处理开销。
在一种可能的设计中，所述第一上行资源为用于复用所述HARQ应答信息以及其它类型上行控制信息的PUCCH资源，或者所述第一上行资源为用于复用所述HARQ应答信息的物理上行共享信道PUSCH资源；
所述第一PUCCH资源的格式与所述HARQ应答信息被复用前用于承载所述HARQ应答信息的PUCCH资源的格式相同。
上述设计，优先选择与原始用于承载HARQ应答信息的PUCCH资源格式相同的资源，无需对HARQ应答信息重新进行编码，减少处理开销。
在一种可能的设计中，所述通过所述至少一个PUCCH资源中的第一PUCCH资源发送HARQ应答信息，包括：
若所述至少一个PUCCH资源所承载的比特数目均小于所述HARQ应答信息的比特数目，则将按编码块组生成的所述HARQ应答信息更新为按传输块生成的HARQ应答信息；
基于更新后的HARQ应答信息的比特数目在所述至少一个PUCCH资源中选择所述第一PUCCH资源，并通过选择的第一PUCCH资源发送所述更新后的HARQ应答信息。
上述设计，能够减少预留资源的开销。
在一种可能的设计中，所述第一PUCCH资源的起始时间与接收到所述第一指示的时间之间的差值大于或者等于所述终端侧设备准备PUCCH资源的时间。
上述设计，进一步保证HARQ应答信息的正确传输。
在一种可能的设计中，所述第一信息中包括所述至少一个PUCCH资源中每个PUCCH资源所在的时频位置信息以及每个PUCCH资源的格式。
第二方面，本申请实施例提供一种上行控制信息的传输方法，包括：
终端侧设备确定第一上行资源，其中，所述第一上行资源为用于复用混合式自动重传请求HARQ应答信息与其它类型上行控制信息的PUCCH资源，或所述第一上行资源为用于复用所述HARQ应答信息的物理上行共享信道PUSCH资源；
终端侧设备接收第一指示，所述第一指示指示第二上行资源被抢占，所述第二上行资源与用于承载HARQ应答信息的第一上行资源存在重叠；所述终端侧设备通过所述HARQ应答信息被复用前用于承载所述HARQ应答信息的PUCCH资源发送所述HARQ应答信息。
第二方面提供的方案，在抢占发生时，在抢占发生时不需要由网络侧设备为终端侧设备重新调度发送HARQ应答信息的资源，可以节省信令开销，避免了本身优先级就较高的HARQ应答信息由于某些时频资源被抢占而无法上报的问题，实现较简单，无需对高层协议修改。
在一种可能的设计中，所述HARQ应答信息被复用前用于承载HARQ应答信息的PUCCH资源与所述第二上行资源不存在重叠。
通过上述设计，可以进一步保证HARQ应答信息的正确传输。
在一种可能的设计中，所述HARQ应答信息被复用前用于承载HARQ应答信息的PUCCH资源的起始时间与所述终端侧设备接收到所述第一指示的时间之间的差值大于或者等于所述终端侧设备准备PUCCH资源的时间。
通过上述设计，可以进一步保证HARQ应答信息的正确传输。
第三方面，本申请实施例提供一种上行控制信息的传输方法，包括：
终端侧设备确定第一上行资源，第一上行资源为用于复用混合式自动重传请求HARQ应答信息的物理上行共享信道PUSCH资源；
终端侧设备接收第一指示，所述第一指示指示第二上行资源被抢占，所述第二上行资源与所述第一上行资源存在重叠区域；
所述终端侧设备通过第二PUCCH资源发送所述HARQ应答信息，所述第二PUCCH资源为所述第一上行资源中除所述重叠区域以外的上行资源。
第三方面提供的方案，在抢占发生时不需要由网络侧设备为终端侧设备重新调度发送HARQ应答信息的资源，可以节省信令开销，避免了本身优先级就较高的HARQ应答信息由于某些时频资源被抢占而无法上报的问题，实现较简单，另外，也不需要预留复用前的资源或者配置PUCCH资源，可以节省资源开销。
在第三方面中的第二PUCCH资源，在说明书实施例中称为第五PUCCH资源。
在一种可能的设计中，所述第二PUCCH资源与所述HARQ应答信息被复用前用于承载HARQ应答信息的PUCCH资源的格式相同，和/或，所述第二PUCCH资源与所述HARQ应答信息被复用前用于承载所述HARQ应答信息的PUCCH资源的时频域大小相同。
上述设计，优先选择与原始用于承载HARQ应答信息的PUCCH资源格式相同的资源，无需对HARQ应答信息重新进行编码，减少处理开销。
在一种可能的设计中，所述第二PUCCH资源的起始时间与所述终端侧设备接收到所述第一指示的时间之间的差值大于或者等于所述终端侧设备准备PUCCH资源的时间。
通过上述设计，可以进一步保证HARQ应答信息的正确传输。
第四方面，本申请实施例提供了一种上行控制信息的传输方法，包括：
网络侧设备向终端侧设备发送第一信息，所述第一信息指示至少一个物理上行控制信道PUCCH资源，其中所述至少一个PUCCH资源用于在发生上行抢占时，承载HARQ应答信息。
网络侧设备向终端侧设备分配第一上行资源，所述第一上行资源用于传输HARQ应答 信息。
网络侧设备向终端设备发送第一指示，所述第一指示指示第二上行资源被抢占，第二上行资源与第一上行资源存在重叠。网络侧设备通过所述至少一个PUCCH资源中的第一PUCCH资源从所述终端设备接收HARQ应答信息。
应用第四方面提供的技术方案，网络侧设备为终端侧设备分配了两种传输HARQ应答信息的上行资源——本来用于承载HARQ应答信息的第一上行资源和在第一上行资源中有部分或全部资源被抢占的情况用于传输HARQ应答信息的至少一个PUCCH资源。一般情况下，所述终端侧设备可以默认使用第一上行资源来发送HARQ应答信息，在接收到抢占指示的情况，则使用所述至少一个PUCCH资源中的某一个发送HARQ应答信息。该方案实现较简单，无需对高层(例如RRC层)协议修改，并且不需要在抢占发生时重新调度，可以节省信令开销。
在一种可能的设计中，所述第一上行资源为在所有类型的上行控制信息中仅承载所述HARQ应答信息的PUCCH资源；所述第一PUCCH资源的格式与所述第一上行资源的格式相同。
在一种可能的设计中，所述第一上行资源为用于复用所述HARQ应答信息以及除所述HARQ应答信息之外的其它类型上行控制信息的PUCCH资源，或者所述第一上行资源为用于复用所述HARQ应答信息的物理上行共享信道PUSCH资源；所述第一PUCCH资源的格式与复用前用于承载所述HARQ应答信息的PUCCH资源的格式相同。
在一种可能的设计中，所述第一PUCCH资源的起始时间与接收到所述第一指示的时间之间的差值大于或者等于所述终端设备准备PUCCH资源的时间。
在一种可能的设计中，所述第一信息中包括所述至少一个PUCCH资源中每个PUCCH资源所在的时频位置信息以及每个PUCCH资源的格式。
第五方面，本申请提供一种装置。所述装置具备实现上述第一方面至第三方面涉及的终端侧设备的功能，比如，所述装置包括所述终端侧设备执行上述第一方面至第三方面涉及步骤所对应的模块或单元或手段(means)，所述功能或单元或手段(means)可以通过软件实现，或者通过硬件实现，也可以通过硬件执行相应的软件实现。
在一种可能的设计中，所述装置包括处理单元、收发单元，处理单元、收发单元执行的功能可以和上述第一方面至第三方面涉及的终端侧设备执行的步骤相对应。
在一种可能的设计中，所述装置包括处理器，还可以包括收发器，所述收发器用于收发信号，所述处理器执行程序指令，以完成上述第一方面至第三方面中任意可能的设计或实现方式中终端侧设备执行的方法。
其中，所述装置还可以包括一个或多个存储器，所述存储器用于与处理器耦合。所述一个或多个存储器可以和处理器集成在一起，也可以与处理器分离设置，本申请并不限定。
一种可能的方式，存储器保存实现上述第一方面至第三方面涉及的终端侧设备的功能的必要计算机程序指令和/或数据。所述处理器可执行所述存储器存储的计算机程序指令，完成上述第一方面-第三方面任意可能的设计或实现方式中终端侧设备执行的方法。
第六方面，本申请提供一种装置。所述装置具备实现上述第四方面涉及的网络侧设备的功能，比如，所述装置包括所述网络侧设备执行上述第四方面涉及步骤所对应的模块或单元或手段(means)。所述功能或单元或手段(means)可以通过软件实现，或者通过硬件实现，也可以通过硬件执行相应的软件实现。
在一种可能的设计中，所述装置包括处理单元、收发单元，处理单元、收发单元执行的功能可以和上述第四方面涉及的网络侧设备执行的步骤相对应。
在另一种可能的设计中，所述通信装置包括处理器，还可以包括收发器，所述收发器用于收发信号，所述处理器执行程序指令，以完成上述第四方面中任意可能的设计或实现方式中网络侧设备执行的方法。
其中，所述装置还可以包括一个或多个存储器，所述存储器用于与处理器耦合。所述一个或多个存储器可以和处理器集成在一起，也可以与处理器分离设置，本申请并不限定。
一种可能的方式，存储器保存实现上述第四方面涉及的网络侧设备的功能的必要计算机程序指令和/或数据。所述处理器可执行所述存储器存储的计算机程序指令，完成上述第四方面任意可能的设计或实现方式中网络侧设备执行的方法。
第七方面，本申请提供一种芯片，所述芯片可以与存储器相通信，或者所述芯片中可以包括存储器，所述芯片执行所述存储器中存储的程序指令，以实现上述第一方面至第四方面中涉及的终端侧设备或者网络侧设备的相应功能。
第八方面，本申请提供一种计算机存储介质，所述计算机存储介质存储有计算机可读指令，所述计算机可读指令被执行时，使得实现第一方面至第四方面中涉及的终端侧设备或者网络侧设备的相应功能。
第九方面，本申请还提供一种包含软件程序的计算机程序产品，当其在计算机上运行时，使得实现第一方面至第四方面中设计的终端侧设备或者网络侧设备的相应功能。
第十方面，本申请还提供一种通信系统，在所述通信系统中包括上述第一方面至第六方面中所涉及的所述终端侧设备，和/或，所述网络侧设备。
附图说明
图1为本申请实施例提供的无线通信系统架构示意图；
图2为本申请实施例提供的URLLC业务数据抢占eMBB业务数据的时频资源示意图；
图3A为本申请实施例提供的下行PI与对应的指示区域示意图；
图3B为本申请实施例提供的一种指示区域划分示意图；
图3C为本申请实施例提供的另一种指示区域划分示意图；
图4为本申请实施例提供的上行抢占示意图；
图5为本申请实施例提供的复用PUCCH资源示意图；
图6为本申请实施例提供的复用PUSCH资源示意图；
图7为本申请实施例提供的一种上行控制信息的传输方法流程；
图8A为本申请实施例提供的一种上行PI与对应的指示区域示意图；
图8B为本申请实施例提供的另一种上行PI与对应的指示区域示意图；
图8C为本申请实施例提供的又一种上行PI与对应的指示区域示意图；
图8D为本申请实施例提供的第一种可能的方案对应的资源抢占传输HARQ应答信息示意图；
图9A为本申请实施例提供的无复用且发生抢占场景对应的上行控制信息传输方法流程示意图；
图9B为本申请实施例提供的复用PUCCH资源且发生抢占场景对应的上行控制信息传输方法流程示意图；
图10为本申请实施例提供的第二种可能的方案对应的上行控制信息传输方法流程示意图；
图11A为本申请实施例提供的复用PUCCH资源且发生抢占场景对应的上行控制信息传输方法流程示意图；
图11B为本申请实施例第二种可能的方案对应的复用PUCCH资源抢占传输HARQ应答信息示意图；
图11C为本申请实施例提供的复用PUSCH资源且发生抢占场景对应的上行控制信息传输方法流程示意图；
图11D为本申请实施例第二种可能的方案对应的复用PUSCH资源抢占传输HARQ应答信息示意图；
图12为本申请实施例提供的第三种可能的方案对应的上行控制信息传输方法流程示意图；
图13为本申请实施例第三种可能的方案对应的复用PUSCH资源抢占传输HARQ应答信息示意图；
图14为本申请实施例提供的装置1400结构示意图；
图15为本申请实施例提供的装置1500结构示意图；
图16为本申请实施例提供的基站1600结构示意图；
图17为本申请实施例提供的终端设备1700结构示意图。
具体实施方式
本申请实施例可以应用于但不限于5G系统，5G系统又称为新无线(new raido,NR)系统；还可以应用于LTE系统，长期演进高级(long term evolution-advanced，LTE-A)系统、增强的长期演进技术(enhanced long term evolution-advanced，eLTE)等第三代合作伙伴计划(3GPP)等相关的蜂窝系统中。
示例性的，参见图1所示为本申请的实施例可以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110和至少两个终端设备(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2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2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。
以下，对本申请中的部分用语进行解释说明，以便于本领域技术人员理解。
1)、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，例如节点B(NodeB)、演进型节点B(eNodeB)、5G移动通信系统中的基站、未来移动通信系统中的基站或WiFi系统中的接入节点等，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。目前，一些无线接入网设备的举例为：gNB、传输接收点(transmission reception point，TRP)、演进型节点B(evolved Node B， eNB)、无线网络控制器(radio network controller，RNC)、节点B(Node B，NB)、基站控制器(base station controller，BSC)、基站收发台(base transceiver station，BTS)、家庭基站(例如，home evolved NodeB，或home Node B，HNB)、基带单元(base band unit，BBU)，或无线保真(wireless fidelity，Wifi)接入点(access point，AP)等。另外，在一种网络结构中，所述无线接入网设备可以包括集中单元(centralized unit，CU)节点和分布单元(distributed unit，DU)节点。这种结构将长期演进(long term evolution，LTE)系统中eNB的协议层拆分开，部分协议层的功能放在CU集中控制，剩下部分或全部协议层的功能分布在DU中，由CU集中控制DU。
2)、终端侧设备，终端侧设备可以是前述终端设备，或者为前述终端设备中的一个或者多个芯片，或者终端设备中的一个模块等，后续描述中以终端设备为例。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(mobile phone)、平板电脑(Pad)、带无线收发功能的电脑、虚拟现实(Virtual Reality，VR)终端设备、增强现实(Augmented Reality，AR)终端设备、工业控制(industrial control)中的无线终端、无人驾驶(self driving)中的无线终端、远程手术(remote medical surgery)中的无线终端、智能电网(smart grid)中的无线终端、运输安全(transportation safety)中的无线终端、智慧城市(smart city)中的无线终端、智慧家庭(smart home)中的无线终端等等。
无线接入网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；也可以部署在水面上；还可以部署在空中的飞机、气球和卫星上。本申请的实施例对无线接入网设备和终端设备的应用场景不做限定。
3)URLLC业务
URLLC业务对时延要求极高，传输时延一般要求在1毫秒(millisecond，ms)以内。
在LTE系统中，最小的时间调度单元为一个1ms时间长度的传输时间间隔(transmission time interval，TTI)。为了满足URLLC业务的传输时延需求，无线空口的数据传输可以使用更短的时间调度单元，例如，使用迷你时隙(mini-slot)或更大的子载波间隔的时隙作为最小的时间调度单元。其中，一个mini-slot包括一个或多个时域符号，这里的时域符号可以是正交频分复用(orthogonal frequency division multiplexing，OFDM)符号。在5G系统中，对于子载波间隔为15千赫兹(kilohertz，kHz)的一个时隙，包括14个时域符号，对应的时间长度为1ms；对于子载波间隔为60kHz的一个时隙，对应的时间长度则缩短为0.25ms。
4)eMBB业务
eMBB业务的数据量比较大，而且传输速率比较高，因此通常采用较长的时间调度单元进行数据传输以提高传输效率，例如，在5G系统中，采用15kHz子载波间隔的一个1ms时长的时隙，包含14个时域符号。URLLC业务数据通常采用较短的时间调度单元，以满足超短时延的需求，例如，采用15kHz子载波间隔的2个时域符号，对应的时间长度为1/7ms。
5)抢占
由于URLLC业务的数据的突发性，为了提高系统资源利用率，无线接入网设备通常不会为URLLC业务的数据传输预留资源。当URLLC业务数据到达无线接入网设备时，如果此时没有空闲的时频资源，无线接入网设备为了满足URLLC业务的超短时延需求，可采用抢占(preemption)的方式，为URLLC业务数据分配资源。如图2所示，这里的抢 占是指无线接入网设备在已经分配的、用于传输某个业务(例如eMBB业务)的时频资源上选择部分或全部的时频资源分配给其它业务(例如其它UE的URLLC业务)传输。
抢占包括下行抢占和上行抢占两种方式。
(1)下行抢占：
在下行抢占中，分配给某eMBB UE的下行时频资源全部或部分被抢占分配给其它UE用于URLLC业务传输或者该eMBB UE的URLLC业务。
NR协议在DCI format 2_1中定义了下行抢占指示(Pre-emption indicator，PI)，下行抢占指示用来指示UE对应被占据的时频资源。对于一个服务小区，可以用14bit的位图来指示两次抢占指示周期间的指示区域，比如，参见图3A所示，PI2用于指示PI1所对应周期的指示区域，PI3用于指示PI2所对应的周期的指示区域。指示方式有两种，分别是(1,14)或(2,7)。其中(1,14)表示将指示区域包括时域符号分成连续14份，参见图3B所示，每一份通过1比特来对应指示。而(2,7)表示将指示区域包括的频域等分为2份，时域符号分成连续7份，总共14份，参见图3C所示，每一份通过1比特来指示。比如，比特为1表示对应时频资源上没有此UE的传输，即被占据。
(2)上行抢占：
下行抢占是在抢占传输完成后通知UE抢占区域，而上行抢占指示需在抢占发生前将对应的指示信息发送给被抢占的UE(指示即将发生的抢占信息)，从而让被抢占的UE在抢占指示的被抢占区域内停止发送数据。比如，参见图4所示，被抢占的UE是eMBB UE，即图4中UE_A，当无线接入网设备收到URLLC UE(即UE_A)的调度请求(scheduling request，SR)时，若分配给URLLC UE的上行资源需抢占已经分配给eMBB UE(UE_B)的上行资源时，将向eMBB UE(UE_B)发送上行抢占指示(UL PI)。当eMBB UE成功解析上行抢占指示后，将在PI指示的占据区域内停止发送数据。通过抢占UE_B的上行资源，保证URLLC UE(即UE_A)的数据传输。
需要说明的是，本申请各个实施例中的各种资源(例如各种PUCCH资源或各种PUSCH资源)，可以仅为时域资源，仅为频域资源，或者时域资源和频域资源组合。因而，抢占指示中所指示的被抢占资源可以仅为时域资源，仅为频域资源或时域资源和频域资源的组合。
目前NR协议仅定义了下行抢占方式，上行抢占指示有待讨论并定义。目前在上行抢占中，如果在抢占eMBB UE的物理上行共享信道(physical uplink shared channel，PUSCH)资源的情况下，接收到上行抢占指示后，一般可以通过如下方式处理：
1、停止发送。具体的，UE收到上行抢占指示后，取消被占据的PUSCH的发送。
2、仅在抢占的符号处中止发送。具体的，UE收到上行抢占指示后，在抢占的符号处中止发送，未抢占的符号上继续发送。
但是，如果抢占的是用于发送解调参考信息(demodulated reference signal，DMRS)的上行资源，或者在未抢占的符号上继续发送后的信号的相位不连续，导致接收到的数据可能无法恢复。
另外，上行抢占中，还可能抢占承载上行控制信息(uplink control information，UCI)的PUCCH资源。上行控制信息可以包括混合式自动重传请求(hybrid automatic repeat request，HARQ)应答信息，调度请求(scheduling request，SR)和信道状态信息(channel state information，CSI)。HARQ应答信息也可以称为HARQ-ACK信息。HARQ应答信息可以 是肯定应答(acknowledgement，ACK)，也可以是否定应答(negative acknowledgement，NACK)。如果被抢占的上行资源用来传输的信息的优先级较高，比如HARQ应答信息，若采用停止发送或者中止发送的话，成功恢复HARQ应答信息的可能性较低，无法保证高优先级的HARQ应答信息的成功发送。
基于此，本申请实施例提供一种上行控制信息的传输方法及装置，在UE传输的高优先级的HARQ应答信息的上行资源被抢占时，增加高优先级的HARQ应答信息的上报机会，同时不引入新的调度开销。其中，方法和装置是基于同一发明构思的，由于方法及装置解决问题的原理相似，因此装置与方法的实施可以相互参见，重复之处不再赘述。
在针对上行控制信息的传输方式进行说明之前，首先先对用于承载HARQ应答信息的资源进行说明。为了描述方便，本申请实施例中将用于承载HARQ应答信息的资源称为第一上行资源。
无线接入网设备配置的用于承载上行控制信息的资源可以是PUCCH资源。PUCCH资源的PUCCH格式可以包括如下5种，参见表1所示。
表1
Figure PCTCN2019115804-appb-000001
其中，为了描述方便，可以占据的符号长度小于或者等于预设阈值的PUCCH格式称为短PUCCH格式，比如预设阈值为2。示例性的，可以将PUCCH格式0与PUCCH格式2称为短PUCCH格式，短PUCCH格式的PUCCH资源所占的OFDM符号数为1-2，将PUCCH格式1、3与4可以称为长PUCCH格式，长PUCCH格式的PUCCH资源所占的OFDM符号数为4-14。
承载HARQ应答信息，与用于承载SR和CSI的PUCCH资源一般是单独配置的。用于承载SR的PUCCH资源与用于承载CSI的PUCCH资源为高层配置，CSI将在配置的用于承载CSI的PUCCH资源上按照配置周期发送。若生成调度请求，则调度请求可在配置的用于承载SR的PUCCH资源上按照配置周期发送。
若待反馈的HARQ应答信息中包括对于物理下行控制信道(physical downlink control channel，PDCCH)调度的物理下行共享信道(physical downlink shared channel，PDSCH)接收的应答或包括用于指示半持续调度PDSCH释放的PDCCH接收的应答时，终端设备会根据待反馈的HARQ应答信息的比特数目以及下行控制信息(downlink control information，DCI)确定用于承载HARQ应答信息的PUCCH资源。示例性的，终端设备接收来自无线接入网设备的配置信息，配置信息中包括多个PUCCH资源集合。无线接入网设备可以将配置信息携带在高层无线资源控制(radio resource control，RRC)信令发送给终端设备。每个PUCCH资源集合中包括一个或者多个PUCCH资源，多个PUCCH资 源集合中包括的PUCCH资源用于传输上行信息。终端设备会根据待反馈的HARQ应答信息的比特数目在多个PUCCH资源集合中选择一个PUCCH资源集合，并根据下行控制信息中的PUCCH资源指示域确定在选择的PUCCH资源集合中所选择的PUCCH资源。选择的PUCCH资源在所有类型的上行控制信息仅用于承载HARQ应答信息。
若待反馈的HARQ应答信息仅用于无PDCCH调度的PDSCH接收的应答，则承载HARQ应答信息的PUCCH资源为高层配置的特定的PUCCH资源，特定的PUCCH资源在所有类型的上行控制信息中仅用来承载HARQ应答信息。
为了描述方便，本申请实施例中将根据反馈的HARQ应答信息的比特数目以及DCI确定的用于承载HARQ应答信息的PUCCH资源或高层配置的特定的PUCCH资源称为第二PUCCH资源，第二PUCCH资源承载的上行控制信息中仅包括HARQ应答信息，换句话说，第二PUCCH资源为在所有的上行控制信息仅用于承载HARQ应答信息的PUCCH资源。
在一种可能的场景中，对于一个终端设备而言，第二PUCCH资源与承载其它类型上行控制信息(包括信道状态信息CSI和/或调度请求SR)的PUCCH资源在时域上重叠，且满足复用时序要求，可将HARQ应答信息以及其它类型上行控制信息复用在一个PUCCH资源上发送，参见图5所示，其它类型上行控制信息以CSI为例，图5中肯定应答/否定应答(A/N)表示HARQ应答信息，用于承载A/N的第二PUCCH资源与用于承载CSI的PUCCH资源在时域上存在重叠，终端设备将A/N和CSI复用在一个PUCCH资源上发送。示例性的，若用于承载CSI的PUCCH资源足够承载CSI和A/N，可以将A/N复用在用于承载CSI的PUCCH资源上传输。若用于承载A/N的PUCCH资源足够承载CSI和A/N，也可以将CSI复用在第二PUCCH资源上传输。若用于承载CSI的PUCCH资源所承载的比特数目小于CSI和A/N的比特数目和，可以在配置信息包括的多个PUCCH资源集合中重新选择一个PUCCH资源用于承载CSI和A/N。为了描述方便，本申请实施例中将复用HARQ应答信息以及其它类型上行控制信息的PUCCH资源称为第三PUCCH资源。需要说明的是，本申请实施例对复用后第三PUCCH资源的确定方式不作具体限定。
在另一种可能的场景中，对于一个终端设备而言，若承载HARQ应答信息的PUCCH资源与PUSCH资源在时域上重叠时，可以将HARQ应答信息复用到PUSCH上进行发送，参见图6所示。
通过上述描述可知，承载HARQ应答信息的第一上行资源可能是第二PUCCH资源，也可能是复用后的第三PUCCH资源，也可能是复用后的PUSCH资源。
下面针对终端设备的承载HARQ应答信息的第一上行资源中的部分或者全部资源被抢占时，HARQ应答信息的传输方案进行详细说明。
第一种可能的方案：高层(例如通过RRC层向终端侧设备)预配置PUCCH资源，用于在发生上行抢占场景下，传输HARQ应答信息。第一种可能的方案中，第一上行资源可以为第二PUCCH，或者为复用后的第三PUCCH资源，或者为复用后的PUSCH资源。
第二种可能的方案：在第一上行资源为复用后的第三PUCCH资源或者PUSCH资源时，若复用前承载HARQ应答信息的第二PUCCH资源未被占据，可回退到复用前的第二PUCCH资源上发送HARQ应答信息。
第三种可能的方案，在第一上行资源为复用后的PUSCH资源时，可以在PUSCH未被占据的资源区域内寻找一个新的PUCCH资源进行发送。
参见图7所示，针对第一种可能的方案的上行控制信息的传输方案进行详细说明。执行上行控制信息的传输的设备可以是终端侧设备，终端侧设备可以是终端设备，或者为终端设备中的一个或者多个芯片，或者终端设备中的一个或者处理器，或者终端设备中的一个模块等，后续描述中以终端设备为例。
S701，终端设备接收第一信息，所述第一信息指示至少一个PUCCH资源。至少一个PUCCH资源是在发生上行抢占时，用于发送HARQ应答信息的PUCCH资源。
第一信息可以由无线接入网设备通过高层无线资源控制(radio resource control，RRC)信令配置给终端设备。
其中，第一信息来自于网络侧设备。网络侧设备可以是无线接入网设备，或者为无线接入网设备中的一个或者多个芯片，或者无线接入网设备中的一个或者多个处理器，或者无线接入网设备中的一个模块等，后续描述中以无线接入网设备为例。
在一种可能的示例中，所述第一信息可以指示一个PUCCH资源集合，PUCCH资源集合中包括至少一个PUCCH资源。第一信息指示的PUCCH资源集合中的PUCCH资源是在发生上行抢占HARQ应答信息的情况下，用来承载HARQ应答信息。
在一种可能的示例中，所述第一信息中可以包括所述至少一个PUCCH资源中每个PUCCH资源所在的时频位置信息以及每个PUCCH资源所采用的格式。比如第二消息中包括至少一个PUCCH资源号，其中每个PUCCH资源号用于指示一个PUCCH格式与时频资源位置。再比如，第二消息中包括时频位置索引以及格式索引，不同的时频位置索引用于指示不同时频位置的PUCCH资源，不同的格式索引指示不同的格式。再比如，第二消息中包括每个PUCCH资源所在的时域起始位置，以及该PUCCH资源所占用的符号数量。再比如，第二消息中包括每个PUCCH资源所在的时域起始位置以及时域终止位置，和所在的子载波。
示例性的，所述第一信息指示的PUCCH资源的个数可以是1个，也可以是多个。比如，RRC配置的PUCCH资源个数取值为2-5。如果配置的PUCCH资源个数为2，可以仅配置PUCCH格式0与格式2，两种PUCCH资源格式，从而可以减小预留开销。再比如配置的PUCCH资源个数为5时，所有的PUCCH格式均包括，参见表1所示的PUCCH格式。
示例性的，所述第一信息指示多个PUCCH资源时，多个PUCCH在时频域上可以满足如下至少一个条件：
条件1，不同的PUCCH资源所在的时频位置可存在重叠或不存在重叠。比如，不同的PUCCH资源所在的时频位置可以重叠位于同一资源区域内，例如PUCCH格式0的PUCCH资源所在的资源区域在PUCCH格式2的PUCCH资源的资源区域内，通过该方式，可以降低预留开销。
条件2，第一信息指示的PUCCH资源占用时隙的最后X个符号，比如短PUCCH格式的PUCCH资源，X小于或者等于2，短PUCCH格式占用的符号数为1或2，因此，短PUCCH格式的PUCCH资源可以占用时隙的最后1个符号或者最后两个符号。再比如，长PUCCH格式的PUCCH资源，X小于或者等于14，由于长PUCCH格式占用的符号数为4-14，以4个为例，长PUCCH格式的PUCCH资源可以占用时隙的最后4个符号。
S702，所述终端设备确定第一上行资源，所述第一上行资源用于承载HARQ应答信息。
可选地，网络侧设备可以通过高层信令(例如RRC信令)为所述终端设备直接分配 所述第一上行资源；或者网络侧设备通过高层信令通知终端设备多个候选上行资源，再在某次HARQ应答信息的传输过程中通过DCI从这多个候选上行资源中指示出所述第一上行资源，或者由终端设备无需所述DCI的再次指示而从这多个候选上行资源中自己确定出所述第一上行资源。
S703，所述终端设备在接收到第一指示的情况下，通过所述至少一个PUCCH资源中的第一PUCCH资源发送所述HARQ应答信息。
从而网络侧设备通过所述至少一个PUCCH资源中的第一PUCCH资源从所述终端设备接收所述HARQ应答信息。
其中，所述第一指示指示第二上行资源被抢占。所述第二上行资源被抢占，换句话说，所述第二上行资源不用于所述终端设备发送数据。所述第二上行资源与所述第一上行资源存在重叠。第一上行资源可以为第二PUCCH，或者为复用后的第三PUCCH资源，或者为复用后的PUSCH资源。
第一指示在某些文献中也可以称为上行抢占指示，也可以称为中断传输指示。其中，终端设备在收到抢占指示后，确定自己被抢占的资源，并停止在被抢占的资源上进行控制或业务数据的传输。
在一种可能的示例中，第一指示可以采用下行抢占指示的形式，用预设比特(比如14比特)的位图来指示两次抢占周期间的指示区域。比如，参见图8A所示，PI1的指示区域为从接收PI2开始到接收到下一指示PI3开始位置的区域。再比如，参见图8B所示，PI1的指示区域为从PI1结束位置到下一指示P12结束位置的区域，PI2的指示区域为从PI2结束位置到下一指示PI3结束位置的区域。再比如，参见图8C所示，PI1的指示区域为从接收到PI1经过预设时长开始到下一指示PI2经过预设时长结束的区域，预设时长可以是几个符号。指示方式可以有两种，分别是(1,14)或(2,7)。其中(1,14)表示将指示区域包括时域符号分成连续14份，每一份通过1比特来对应指示。而(2,7)表示将指示区域包括的频域等分为2份，时域符号分成连续7份，总共14份，每一份通过1比特来指示。比如，比特为1表示对应时频资源被占据。
在另一种可能的示例中，第一指示也可以指示具体被抢占的第二上行资源，比如指示第二上行资源所在的时域位置和频域位置。例如，指示时域起始位置以及时域所占的符号数量，和指示所在的子载波。再例如，指示时域起始位置以及时域终止位置，和指示所在的子载波。
在又一种可能的示例中，第一指示也可以仅用于指示具体被抢占的第二上行资源的时域位置，例如指示时域起始位置以及时域所占的符号数量。再例如，指示时域起始位置以及时域终止位置。
在一种可能的实施方式中，在所述至少一个PUCCH资源中选择的第一PUCCH资源要满足，第一PUCCH资源的起始时间与所述终端接收到第一指示的时间之间的差值大于或者等于所述终端设备准备PUCCH资源的时间。也就是需要保证第一PUCCH资源能够及时生成，即在接收到第一指示，到发送PUCCH资源第一个符号前，有足够时间完成第一指示的解析和生成新的PUCCH资源。
示例性的，时间可以以符号或者绝对时间(例如微秒，秒，分钟，小时)为单位。若时间以符号为单元，则在所述至少一个PUCCH资源中选择的第一PUCCH资源要满足，第一PUCCH资源的起始符号与所述终端接收到第一指示的结束符号之间的差值大于或者 等于所述终端设备准备PUCCH资源的时间。
终端设备准备PUCCH资源的时间可以是终端设备接收第一指示的最后一个符号结束开始，到最早生成第一PUCCH资源起始符号所间隔的时间。终端设备PUCCH资源的准备时间可以通过T_proc来表示。T_proc可以符号为单位来计量，与所述终端处理能力、接收所述第一指示的下行信道所采用的子载波间隔有关，见表2和表3。
表2用于描述普通处理能力的终端设备，在不同的参数集(numerology)下，T_proc的大小。表3用于描述增强处理能力的终端设备，在不同的numerology下，T_proc的大小。其中，μ表示参数集的索引。参数集可以通过子载波间隔来定义，不同的μ值对应的子载波间隔不同，μ＝0对应子载波间隔为15kHz，μ＝1对应子载波间隔为30kHz，μ＝2对应子载波间隔为60kHz，μ＝3对应子载波间隔为120kHz。表2与3中T_proc所采用的符号单位为对应μ指示的子载波间隔下的符号单位。
表2
μ T_proc[symbols]
0 10
1 12
2 22
3 25
表3
μ T_proc[symbols]
0 5
1 5.5
2 11
参见图8D所示，T_proc表示终端设备准备PUCCH资源的时间。UE_A表示抢占的终端设备，UE_B表示被抢占的终端设备。无线接入网设备接收到UE_A的SR后，若确定分配给UE_A的第二上行资源需要抢占UE_B的第一上行资源，则向UE_B发送第一指示。当UE_B接收到第一指示后，可以从无线接入网设备配置的至少一个PUCCH资源中选择第一PUCCH资源，并通过选择的第一PUCCH资源发送HARQ应答信息。
在无线接入网设备预配置的PUCCH资源是多个的情况下，在满足第一PUCCH资源未被抢占且资源能够及时生成的条件下，在至少一个PUCCH资源中选择的第一PUCCH资源可以通过如下任一种方式：
1、所述第一PUCCH资源的格式与第二PUCCH资源的格式相同，即在多个PUCCH资源中选择与第二PUCCH资源的PUCCH格式相同的PUCCH资源。
2、所述第一PUCCH资源为所述至少一个PUCCH资源中第一格式的PUCCH资源。所述至少一个PUCCH资源的PUCCH格式均与所述第二PUCCH资源的PUCCH格式不同。第一格式可以是短PUCCH格式，比如PUCCH格式0或者PUCCH格式2。示例性的，第一格式的PUCCH资源占用的符号数不超过2。具体的，若确定所述至少一个PUCCH资源的PUCCH格式均与所述第二PUCCH资源的PUCCH格式不同，则可以在多个PUCCH资源中选择第一格式的PUCCH资源作为第一PUCCH资源。
示例性的，若确定所述多个PUCCH资源的PUCCH格式均与所述第二PUCCH资源的PUCCH格式不同，例如所述多个PUCCH资源的PUCCH格式为PUCCH格式0与PUCCH格式2，所述第二PUCCH资源的PUCCH资源为长PUCCH格式时，可以根据HARQ应答信息的比特数目在至少一个PUCCH资源中选择PUCCH格式0或者PUCCH格式2的PUCCH资源作为第一PUCCH资源。
3、若多个PUCCH资源中短PUCCH格式的PUCCH资源承载的比特数目小于HARQ应答信息的比特数目，可以根据HARQ应答信息的比特数目在多个PUCCH资源中的长PUCCH格式的PUCCH资源中选择一个PUCCH资源作为第一PUCCH资源。
4、所述第一PUCCH资源为所述至少一个PUCCH资源中第一格式的PUCCH资源。具体的，终端设备可以在多个PUCCH资源中选择第一格式的PUCCH资源作为第一PUCCH资源。第一格式可以为PUCCH格式0或者PUCCH格式2。
5、终端设备根据HARQ应答信息的比特数目在多个PUCCH资源中选择一个PUCCH资源作为第一PUCCH资源。
6、若所述至少一个PUCCH资源所承载的比特数目均小于所述HARQ应答信息的比特数目，将按编码块组生成的所述HARQ应答信息，更新为按传输块生成所述HARQ应答信息，并基于更新后的HARQ应答信息的比特数目在所述至少一个PUCCH资源中选择所述第一PUCCH资源，并通过选择的第一PUCCH资源发送更新后的所述HARQ应答信息。
示例性的，参见图9A所示，以所述第一上行资源为第二PUCCH资源为例。
S901a，无线接入网设备向所述终端设备发送配置信息，所述配置信息用于指示至少一个PUCCH资源集合。至少一个PUCCH资源集合中包括的PUCCH资源用于传输上行资源。
S902a，无线接入网设备向所述终端设备发送DCI。所述DCI中包括PUCCH资源指示域，PUCCH资源指示域用于指示在PUCCH资源集合中选择的PUCCH资源。
S903a，无线接入网设备向终端设备发送第一信息，所述第一信息指示至少一个PUCCH资源。至少一个PUCCH资源用于在发生抢占的场景下，传输HARQ应答信息。
本申请实施例中S901a与S903a之间的时间先后顺序不作限定，可以S901a早于S903a，或者晚于S903a，或者携带在同一个信令中发送。
S904a，所述终端设备根据待反馈的HARQ应答信息的比特数目在所述至少一个PUCCH资源集合中选择一个PUCCH资源。不同的PUCCH资源集合包括的PUCCH资源所能承载的比特数目范围不同。
S905a，所述终端设备根据DCI中的第一指示域来选择的PUCCH资源集合中的第二PUCCH资源。
在本实施例中，所述终端设备确定第一上行资源，即根据DCI中的第一指示域来选择的PUCCH资源集合中的第二PUCCH资源。
另外，若待反馈的HARQ应答信息仅用于无PDCCH调度的PDSCH接收的应答，则承载HARQ应答信息的PUCCH资源可以为高层配置的特定的PUCCH资源，特定的PUCCH资源在所有类型的上行控制信息中仅用来承载HARQ应答信息。从而第二PUCCH资源可以为该特定的PUCCH资源。图9A中，以第二PUCCH资源为基于HARQ应答信 息的比特数目和DCI确定的承载HARQ应答信息的PUCCH资源为例。需要说明的是，后续描述的实施例均以第二PUCCH资源为基于HARQ应答信息的比特数目和DCI确定的为例进行说明。
示例性的，在达到第二PUCCH资源的起始时间，且未接收到第一指示的情况下，则在第二PUCCH资源上发送所述HARQ应答信息。
其中，所述第一指示指示第二上行资源被抢占，所述第二上行资源与所述第二PUCCH资源存在重叠。
S906a，所述终端设备在接收到第一指示的情况下，在所述至少一个PUCCH资源中选择第一PUCCH资源。所述第一PUCCH资源与所述第二上行资源不存在重叠。所述第一PUCCH资源选择的方式如前所述，此处不再赘述。
S907a，所述终端设备在所述第一PUCCH资源上发送所述HARQ应答信息。
示例性的，参见图9B所示，以所述第一上行资源为复用后的第三PUCCH资源为例，其它类型上行控制信息以CSI为例。
S901b-S905b，参见S901a-S905a，此处不再赘述。
S906b，所述终端设备确定用于承载CSI的第四PUCCH资源。其中，第四PUCCH资源可以是由高层信令配置下来用于承载CSI的资源。终端确定第四PUCCH资源，即确定有CSI要发送，即确定第四PUCCH资源承载CSI。
其中，本申请实施例对S904b与S906b之间的执行的先后顺序不作具体限定，S904b可以早于S906b，也可以晚于S906b，还可以S904b与S906b同时执行。
S907b，所述终端设备在确定所述第二PUCCH资源和所述第四PUCCH资源存在时域重叠时，确定用于复用所述HARQ应答信息和所述CSI的第三PUCCH资源。第三PUCCH资源的确定方式如前所述，此处不再赘述。
在本实施例中，所述终端设备确定第一上行资源，即确定用于复用所述HARQ应答信息和所述CSI的第三PUCCH资源。
示例性的，在达到第三PUCCH资源的起始时间，且未接收到第一指示的情况下，则在第三PUCCH资源上发送所述HARQ应答信息。其中，所述第一指示指示第二上行资源被抢占，所述第二上行资源与所述第三PUCCH资源存在重叠。
S908b，所述终端设备在接收到第一指示的情况下，在所述至少一个PUCCH资源中选择第一PUCCH资源。所述第一PUCCH资源与所述第二上行资源不存在重叠。所述第一PUCCH资源选择的方式如前所述，此处不再赘述。
S909b，所述终端设备在所述第一PUCCH资源上发送所述HARQ应答信息。
参见图10所示，针对第二种可能的方案的上行控制信息的传输方案进行详细说明。
S1001，终端设备确定第一上行资源，其中，所述第一上行资源为用于复用混合式自动重传请求HARQ应答信息与其它类型上行控制信息的PUCCH资源，或所述第一上行资源为用于复用所述HARQ应答信息的物理上行共享信道PUSCH资源。
其中，终端设备确定第一上行资源的方式与S702类似。
S1002，终端设备接收第一指示，所述第一指示指示第二上行资源被抢占，所述第二上行资源与所述第一上行资源存在重叠。其中，第一指示来自于无线接入网设备。
第一指示也可以称为上行抢占指示，也可以称为中断传输指示。
其中，所述第一上行资源为用于复用HARQ应答信息与除所述HARQ应答信息以外的其它类型上行控制信息的PUCCH资源，或所述第一上行资源为用于复用所述HARQ应答信息的物理上行共享信道PUSCH资源。
S1003，所述终端设备通过所述HARQ应答信息被复用前用于承载所述HARQ应答信息的PUCCH资源发送所述HARQ应答信息。
如前所述，在本申请实施例中，所述HARQ应答信息被复用前用于承载HARQ应答信息的PUCCH资源称为第二PUCCH资源。复用HARQ应答信息与除所述HARQ应答信息以外的其它类型上行控制信息的PUCCH资源称为第三PUCCH资源。
在一种可行的实施方式中，所述复用前用于承载HARQ应答信息的第二PUCCH资源与所述第二上行资源不存在重叠。
在一种可行的实施方式中，所述复用前用于承载HARQ应答信息的第二PUCCH资源的起始时间与所述终端设备接收到所述第一指示的时间之间的差值大于或者等于所述终端设备准备PUCCH资源的时间。针对所述终端设备准备PUCCH资源的时间，可以参见针对第一种可能的方案中的描述，此处不再赘述。
示例性的，参见图11A和图11B所示，以所述第一上行资源为用于复用HARQ应答信息与除所述HARQ应答信息以外的其它类型上行控制信息的第三PUCCH资源为例，其它类型上行控制信息以CSI为例。
S1101a-S1102a，参见S901b-S902b，此处不再赘述。
S1103a-S1106a，参见S904b-S907b，此处不再赘述。
S1107a，所述终端设备接收到第一指示。所述第一指示指示第二上行资源被抢占，所述第二上行资源不用于所述终端设备发送数据。所述第二上行资源与第三PUCCH资源存在重叠。
S1108a，在所述第二PUCCH资源与所述第二上行资源不存在重叠时，在所述第二PUCCH资源上发送所述HARQ应答信息。其中，第二PUCCH资源的起始时间与所述终端接收到所述第一指示的时间之间的差值大于或者等于所述终端设备准备PUCCH资源的时间。
示例性的，参见图11C以及图11D所示，以所述第一上行资源为用于复用HARQ应答信息的PUSCH资源为例。
S1101b-S1104b，参见S1101a-S1104a，此处不再赘述。
S1105b，在PUSCH资源与所述第二PUCCH资源存在重叠时，确定所述PUSCH用于复用所述HARQ应答信息。所述PUSCH资源用于承载数据或者非周期CSI报告或者半持续CSI报告。PUSCH资源可以是由下行控制信息动态调度和指示的PUSCH资源，或者是由RRC信令配置且RRC信令激活的半静态资源，或是由RRC信令配置和下行控制信息激活的半静态资源。
S1106b，所述终端设备接收到第一指示。
所述第一指示指示第二上行资源被抢占，所述第二上行资源不用于所述终端设备发送数据。所述第二上行资源与用于复用HARQ应答信息的PUSCH资源存在重叠。
S1107b，在所述第二PUCCH资源与所述第二上行资源不存在重叠时，在所述第二 PUCCH资源上发送所述HARQ应答信息。其中，第二PUCCH资源的起始时间与所述终端接收到所述第一指示的时间之间的差值大于或者等于所述终端设备准备PUCCH资源的时间。
参见图12所示，针对第三种可能的方案的上行控制信息的传输方案进行详细说明。
S1201，终端设备确定第一上行资源，第一上行资源为用于复用HARQ应答信息的PUSCH资源。可选地，确定方式与S702类似。
S1202，所述终端设备接收第一指示，所述第一指示指示第二上行资源被抢占，所述第二上行资源与所述第一上行资源之间存在重叠区域。
S1203，所述终端设备通过第五PUCCH资源发送所述HARQ应答信息，所述第五PUCCH资源为所述第一上行资源中除所述重叠区域以外的上行资源。
示例性的，所述第五PUCCH资源为在所述第一上行资源中除所述重叠区域以外的上行资源寻找到足够承载所述HARQ应答信息的资源。
通过上述方案，在复用HARQ应答信息的PUSCH资源中重新寻找新的资源承载HARQ应答信息，从而不需要额外预留复用前承载HARQ应答信息的PUCCH资源，或者预先配置预留PUCCH资源用于在抢占发生时使用，可以节省开销，也不需要引入额外的调度开销。
需要说明的是，第五PUCCH资源足够承载所述HARQ应答信息。若所述PUSCH资源中除所述重叠区域以外的上行资源中不存在足够承载HARQ应答信息的资源时，可将按编码块组(code block group，CBG)生成的HARQ应答信息更新为按传输块生成。从而再根据更新后的HARQ应答信息在所述PUSCH资源中除所述重叠区域以外的上行资源中选择一块能够足够承载所述HARQ应答信息的上行资源作为第五PUCCH资源。
在一种可能的实施方式中，所述第五PUCCH资源与复用前用于承载HARQ应答信息的第二PUCCH资源的格式相同，和/或，所述第五PUCCH资源与所述复用前用于承载HARQ应答信息的第二PUCCH资源的时频域大小相同。
在一种可能的示例中，所述第五PUCCH资源与复用前用于承载HARQ应答信息的第二PUCCH资源的格式相同，和所述第五PUCCH资源与所述复用前用于承载HARQ应答信息的第二PUCCH资源的时频域大小不同。例如，所述第五PUCCH资源占据符号个数小于所述第二PUCCH资源占据符号个数，和/或所述第五PUCCH资源占据子载波个数小于所述第二PUCCH资源占据子载波个数。
在一种可能的示例中，在所述PUSCH资源中除所述重叠区域以外的上行资源中选择承载HARQ应答信息的第五PUCCH资源，可以选择与复用前承载HARQ应答信息的第二PUCCH资源格式和占据时频域大小相同的资源。
在另一种可能的示例中，第五PUCCH资源采用的格式为短PUCCH格式。即在所述PUSCH资源中除所述重叠区域以外的上行资源中选择短PUCCH格式的PUCCH资源。
在又一种可能的示例中，在所述PUSCH资源中除所述重叠区域以外的上行资源中不存在与复用前承载HARQ应答信息的第二PUCCH资源格式相同的资源，可以选择短PUCCH格式的PUCCH资源。
另外，选择的所述第五PUCCH资源的起始时间与所述终端侧设备接收到所述第一指示的时间之间的差值大于或者等于所述终端设备准备PUCCH资源的时间。针对所述终端 设备准备PUCCH资源的时间，可以参见针对第一种可能的方案中的描述，此处不再赘述。
在一种可能实施方式中，所述第五PUCCH资源可以按照时间从前往后的方式，或从后往前的方式寻找的第一个能作为所述第一PUCCH资源的时频资源。
在一种可能的示例中，可以从处理及时位置处寻找第一块未被占据的上行资源作为第五PUCCH资源。占据处理及时位置后第一符号的一块上行资源与所述第二上行资源不存在重叠，则可以作为第五PUCCH资源。参见图13中标号为1的区域。图13中UE_B上用于复用HARQ应答信息的PUSCH资源部分被UE_A的PUSCH(第二上行资源)所占据，则UE_B可在用于复用HARQ应答信息的PUSCH资源未被占据的资源区域内生成新的PUCCH资源以承载HARQ应答信息。
在另一种可能的示例中，可以从第一指示所指示占据的第二上行资源的位置后的第一个符号开始寻找。比如，若与所述第二上行资源在时域上相邻的一块上行资源足够承载HARQ应答信息，则可以作为第五PUCCH资源。参见图13所示标号为2的区域。
在又一种可能的示例中，可以从复用后的PUSCH资源的最后的符号处开始寻找。比如，占据复用后的PUSCH资源的最后的符号的一块上行资源与所述第二上行资源不存在重叠，则可以作为第五PUCCH资源。即所述第五PUCCH资源的最后一个符号为所述PUSCH资源的最后一个符号。参见图13所示标号为3的区域。
基于与上述方法实施例同样的发明构思，如图14所示，本申请还提供一种通信装置1400，可包括收发单元1401和处理单元1402。
在一种可能的实施方式中，该通信装置1400可应用于终端设备，收发单元1401，可用于接收第一信息或者第一指示等；处理单元1402，可用于选择PUCCH资源等，具体处理单元1402可用于实现上述任一方法实施例中所述终端侧设备所执行的功能。
示例性地，收发单元1401接收第一信息。所述第一信息指示至少一个物理上行控制信道PUCCH资源。
收发单元1401在接收到第一指示的情况下，通过所述至少一个PUCCH资源中的第一PUCCH资源发送HARQ应答信息。其中，所述第一指示指示第二上行资源被抢占，所述第二上行资源不用于所述终端侧设备发送数据，所述第二上行资源与用于承载HARQ应答信息的第一上行资源存在重叠。
处理单元1402从所述至少一个PUCCH资源中选择第一PUCCH资源。
在一种可能的实施方式中，该通信装置1400可应用于无线接入网设备，处理单元1402，可用于产生第一信息，具体可以用于实现上述任一实施例所述的无线接入网设备所执行的功能；收发单元1401，可用于向终端设备发送第一信息或者第一指示。
基于相同的构思，如图15所示，为本申请提供的一种通信装置1500。示例性地，通信装置1500可以是芯片或芯片系统。可选的，在本申请实施例中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。通信装置1500可以包括至少一个处理器1510，装置1500还可以包括至少一个存储器1520，用于存储程序指令和/或数据。存储器1520和处理器1510耦合。本申请实施例中的耦合是装置、单元或模块之间的间接耦合或通信连接，可以是电性，机械或其它的形式，用于装置、单元或模块之间的信息交互。处理器1510可能和存储器1520协同操作。处理器1510可能执行存储器1520中存储的程序指令。可选的，所述至少一个存储器1520中的至少一个可以包括于处理器1510中。
通信装置1500中还可以包括通信接口1530，通信装置1500可以通过通信接口1530 和其它设备进行信息交互。通信接口1530可以是电路、总线、收发器或者其它任意可以用于进行信息交互的装置。
在一种可能的实施方式中，该通信装置1500可以应用于终端设备，具体通信装置1500可以是终端设备，也可以是能够支持终端设备，实现上述涉及的任一实施例中终端设备的功能的装置。存储器1520保存实现上述任一实施例中的终端设备的功能的必要计算机程序指令和/或数据。所述处理器1510可执行所述存储器1520存储的计算机程序指令，完成上述任一实施例中终端设备执行的方法。
在一种可能的实施方式中，该通信装置1500可以应用于无线接入网设备，具体通信装置1500可以是无线接入网设备，也可以是能够支持无线接入网设备实现上述任一实施例中无线接入网设备的功能的装置。存储器1520保存实现上述任一实施例中的无线接入网设备的功能的必要计算机程序指令和/或数据。所述处理器1510可执行所述存储器1520存储的计算机程序指令，完成上述任一实施例中无线接入网设备执行的方法。
本申请实施例中不限定上述通信接口1530、处理器1510以及存储器1520之间的具体连接介质。本申请实施例在图15中以存储器1520、处理器1510以及通信接口1530之间通过总线连接，总线在图15中以粗线表示，其它部件之间的连接方式，仅是进行示意性说明，并不引以为限。所述总线可以分为地址总线、数据总线、控制总线等。为便于表示，图15中仅用一条粗线表示，但并不表示仅有一根总线或一种类型的总线。
在本申请实施例中，处理器可以是通用处理器、数字信号处理器、专用集成电路、现场可编程门阵列或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件，可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。
在本申请实施例中，存储器可以是非易失性存储器，比如硬盘(hard disk drive，HDD)或固态硬盘(solid-state drive，SSD)等，还可以是易失性存储器(volatile memory)，例如随机存取存储器(random-access memory，RAM)。存储器还可以是能够用于携带或存储具有指令或数据结构形式的期望的程序代码并能够由计算机存取的任何其他介质，但不限于此。本申请实施例中的存储器还可以是电路或者其它任意能够实现存储功能的装置，用于存储程序指令和/或数据。
根据前述方法，如图16所示，本发明实施例还提供一种无线接入网设备，如基站1600的结构示意图。
该基站1600可应用于如图1所示通信系统的场景中。基站1600包括一个或多个射频单元，如远端射频单元(remote radio unit,RRU)1601和一个或多个基带单元(baseband unit，BBU)(也可称为数字单元，digital unit，DU)1602。该RRU1601可以称为收发单元、收发机、收发电路、或者收发器等等，其可以包括至少一个天线16011和射频单元16012。该RRU1601部分可用于射频信号的收发以及射频信号与基带信号的转换，例如用于向终端设备发送上述实施例中所述的信令指示和/或参考信号。该BBU1602部分可用于进行基带处理，对基站进行控制等。该RRU1601与BBU1602可以是物理上设置在一起，也可以物理上分离设置的，即分布式基站。
该BBU1602为基站的控制中心，也可以称为处理单元，可用于完成基带处理功能，如信道编码，复用，调制，扩频等等。例如该BBU(处理单元)可以用于控制基站执行 上述任一实施例中网络设备执行的方法。
在一个示例中，该BBU1602可以由一个或多个单板构成，多个单板可以共同支持单一接入制式的无线接入网(如LTE网)，也可以分别支持不同接入制式的无线接入网。该BBU1602还包括存储器16021和处理器16022。该存储器16021用以存储必要的指令和数据。例如存储器16021存储上述实施例中的第一信息或者配置信息等。该处理器16022用于控制基站进行必要的动作。该存储器16021和处理器16022可以服务于一个或多个单板。也就是说，可以每个单板上单独设置存储器和处理器。也可以是多个单板共用相同的存储器和处理器。此外每个单板上还可以设置有必要的电路。
图17提供了一种终端设备的结构示意图。为了便于说明，图17仅示出了终端设备的主要部件。该终端设备1700可以应用于本申请上述任一实施例所述的终端设备。如图17所示，终端设备1700可包括处理器、存储器、控制电路，可选的，还可以包括天线和/或输入输出装置。处理器可用于对通信协议以及通信数据进行处理，以及对终端设备进行控制，执行软件程序，处理软件程序的数据。存储器可用于存储软件程序和/或数据。控制电路可用于基带信号与射频信号的转换以及对射频信号的处理。控制电路和天线一起也可以叫做收发器，可用于收发电磁波形式的射频信号。输入输出装置，例如触摸屏、显示屏，键盘等，可用于接收用户输入的数据以及对用户输出数据。
在本申请实施例中，处理器可以读取存储单元中的软件程序，解释并执行软件程序的指令，处理软件程序的数据。当需要通过无线发送数据时，处理器对待发送的数据进行基带处理后，输出基带信号至射频电路，射频电路将基带信号进行射频处理后将射频信号通过天线以电磁波的形式向外发送。当有数据发送到终端设备时，射频电路通过天线接收到射频信号，将射频信号转换为基带信号，并将基带信号输出至处理器，处理器将基带信号转换为数据并对该数据进行处理。
本领域技术人员可以理解，为了便于说明，图17仅示出了一个存储器和处理器。在实际的终端设备中，可以存在多个处理器和存储器。存储器也可以称为存储介质或者存储设备等，本发明实施例对此不做限制。
作为一种可选的实现方式，处理器可以包括基带处理器和中央处理器，基带处理器可用于对通信协议以及通信数据进行处理，中央处理器可用于对整个终端设备进行控制，执行软件程序，处理软件程序的数据。图17中的处理器集成了基带处理器和中央处理器的功能，本领域技术人员可以理解，基带处理器和中央处理器也可以是各自独立的处理器，通过总线等技术互联。本领域技术人员可以理解，终端设备可以包括多个基带处理器以适应不同的网络制式，终端设备可以包括多个中央处理器以增强其处理能力，终端设备的各个部件可以通过各种总线连接。该基带处理器也可以表述为基带处理电路或者基带处理芯片。该中央处理器也可以表述为中央处理电路或者中央处理芯片。对通信协议以及通信数据进行处理的功能可以内置在处理器中，也可以以软件程序的形式存储在存储单元中，由处理器执行软件程序以实现基带处理功能。
示例性的，在发明实施例中，可以将具有收发功能的天线和控制电路视为终端设备1700的收发单元1701，将具有处理功能的处理器视为终端设备1700的处理单元1702。如图17所示，终端设备1700可包括收发单元1701和处理单元1702。收发单元也可以称为收发器、收发机、收发装置等。可选的，可以将收发单元1701中用于实现接收功能的器件视为接收单元，将收发单元1701中用于实现发送功能的器件视为发送单元，即收发单 元1701包括接收单元和发送单元示例性的，接收单元也可以称为接收机、接收器、接收电路等，发送单元可以称为发射机、发射器或者发射电路等。
根据本申请实施例提供的方法，本发明实施例还提供一种通信系统，其包括前述的终端设备和无线接入网设备中的一个或多个。
基于以上实施例，本申请实施例还提供了一种计算机存储介质，该存储介质中存储软件程序，该软件程序在被一个或多个处理器读取并执行时可实现上述任意一个或多个实施例提供的方法。该计算机存储介质可以包括：U盘、移动硬盘、只读存储器、随机存取存储器、磁碟或者光盘等各种可以存储程序代码的介质。
基于以上实施例，本申请实施例还提供了一种芯片，该芯片包括处理器，用于实现上述任意一个或多个实施例所涉及的功能，例如获取或处理上述方法中所涉及的信息或者消息。可选地，该芯片还包括存储器，该存储器，用于处理器所执行必要的程序指令和数据。该芯片，可以由芯片构成，也可以包含芯片和其他分立器件。
应理解，说明书通篇中提到的“一个实施例”或“一实施例”意味着与实施例有关的特定特征、结构或特性包括在本申请的至少一个实施例中。因此，在整个说明书各处出现的“在一个实施例中”或“在一实施例中”未必一定指相同的实施例。此外，这些特定的特征、结构或特性可以任意适合的方式结合在一个或多个实施例中。应理解，在本申请的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请实施例的实施过程构成任何限定。
另外，本文中术语“系统”和“网络”在本文中常被可互换使用。本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
应理解，在本申请实施例中，“与A相应的B”表示B与A相关联，根据A可以确定B。但还应理解，根据A确定B并不意味着仅仅根据A确定B，还可以根据A和/或其它信息确定B。
通过以上的实施方式的描述，所属领域的技术人员可以清楚地了解到本申请可以用硬件实现，或固件实现，或它们的组合方式来实现。当使用软件实现时，可以将上述功能存储在计算机可读介质中或作为计算机可读介质上的一个或多个指令或代码进行传输。计算机可读介质包括计算机存储介质和通信介质，其中通信介质包括便于从一个地方向另一个地方传送计算机程序的任何介质。存储介质可以是计算机能够存取的任何可用介质。以此为例但不限于：计算机可读介质可以包括RAM、ROM、EEPROM、CD-ROM或其他光盘存储、磁盘存储介质或者其他磁存储设备、或者能够用于携带或存储具有指令或数据结构形式的期望的程序代码并能够由计算机存取的任何其他介质。此外。任何连接可以适当的成为计算机可读介质。例如，如果软件是使用同轴电缆、光纤光缆、双绞线、数字用户线(DSL)或者诸如红外线、无线电和微波之类的无线技术从网站、服务器或者其他远程源传输的，那么同轴电缆、光纤光缆、双绞线、DSL或者诸如红外线、无线和微波之类的无线技术包括在所属介质的定影中。如本申请所使用的，盘(Disk)和碟(disc)包括压缩光碟(CD)、激光碟、光碟、数字通用光碟(DVD)、软盘和蓝光光碟，其中盘通常磁性的复制数据，而碟则用激光来光学的复制数据。上面的组合也应当包括在计算机可读介质的保护范围之内。

Claims (22)

  1. 一种上行控制信息的传输方法，其特征在于，包括：
    终端侧设备接收第一信息，所述第一信息指示至少一个物理上行控制信道PUCCH资源；
    所述终端侧设备确定第一上行资源，所述第一上行资源用于承载混合式自动重传请求HARQ应答信息；
    所述终端侧设备在接收到第一指示的情况下，通过所述至少一个PUCCH资源中的第一PUCCH资源发送所述HARQ应答信息；其中，所述第一指示指示第二上行资源被抢占，所述第二上行资源与所述第一上行资源存在重叠。
  2. 如权利要求1所述的方法，其特征在于：
    所述第一上行资源为在所有类型的上行控制信息中仅承载所述HARQ应答信息的PUCCH资源；
    所述第一PUCCH资源的格式与所述第一上行资源的格式相同。
  3. 如权利要求1所述的方法，其特征在于：
    所述第一上行资源为用于复用所述HARQ应答信息以及其它类型上行控制信息的PUCCH资源，或者所述第一上行资源为用于复用所述HARQ应答信息的物理上行共享信道PUSCH资源；
    所述第一PUCCH资源的格式与所述HARQ应答信息被复用前用于承载所述HARQ应答信息的PUCCH资源的格式相同。
  4. 如权利要求1-3任一所述的方法，其特征在于，所述通过所述至少一个PUCCH资源中的第一PUCCH资源发送HARQ应答信息，包括：
    若所述至少一个PUCCH资源所承载的比特数目均小于所述HARQ应答信息的比特数目，则将按编码块组生成的所述HARQ应答信息更新为按传输块生成的HARQ应答信息；
    基于更新后的HARQ应答信息的比特数目在所述至少一个PUCCH资源中选择所述第一PUCCH资源，并通过选择的第一PUCCH资源发送所述更新后的HARQ应答信息。
  5. 如权利要求1-4任一所述的方法，其特征在于，所述第一PUCCH资源的起始时间与接收到所述第一指示的时间之间的差值大于或者等于所述终端侧设备准备PUCCH资源的时间。
  6. 如权利要求1-5任一所述的方法，其特征在于，所述第一信息中包括所述至少一个PUCCH资源中每个PUCCH资源所在的时频位置信息以及每个PUCCH资源的格式。
  7. 一种上行控制信息的传输方法，其特征在于，包括：
    终端侧设备确定第一上行资源，其中，所述第一上行资源为用于复用混合式自动重传请求HARQ应答信息与其它类型上行控制信息的PUCCH资源，或所述第一上行资源为用于复用所述HARQ应答信息的物理上行共享信道PUSCH资源；
    终端侧设备接收第一指示，所述第一指示指示第二上行资源被抢占，所述第二上行资源与所述第一上行资源存在重叠；
    所述终端侧设备通过所述HARQ应答信息被复用前用于承载所述HARQ应答信息的PUCCH资源发送所述HARQ应答信息。
  8. 如权利要求7所述的方法，其特征在于，所述HARQ应答信息被复用前用于承载 所述HARQ应答信息的PUCCH资源与所述第二上行资源不存在重叠。
  9. 如权利要求7或8所述的方法，其特征在于，所述HARQ应答信息被复用前用于承载HARQ应答信息的PUCCH资源的起始时间与所述终端侧设备接收到所述第一指示的时间之间的差值大于或者等于所述终端侧设备准备PUCCH资源的时间。
  10. 一种上行控制信息的传输方法，其特征在于，包括：
    终端侧设备确定第一上行资源，第一上行资源为用于复用混合式自动重传请求HARQ应答信息的物理上行共享信道PUSCH资源；
    终端侧设备接收第一指示，所述第一指示指示第二上行资源被抢占，所述第二上行资源与所述第一上行资源存在重叠区域；
    所述终端侧设备通过第二PUCCH资源发送所述HARQ应答信息，所述第二PUCCH资源为所述第一上行资源中除所述重叠区域以外的上行资源。
  11. 如权利要求10所述的方法，其特征在于，所述第二PUCCH资源与所述HARQ应答信息被复用前用于承载所述HARQ应答信息的PUCCH资源的格式相同，和/或，所述第二PUCCH资源与所述HARQ应答信息被复用前用于承载所述HARQ应答信息的PUCCH资源的时频域大小相同。
  12. 如权利要求10或11所述的方法，其特征在于，所述第二PUCCH资源的起始时间与所述终端侧设备接收到所述第一指示的时间之间的差值大于或者等于所述终端侧设备准备PUCCH资源的时间。
  13. 一种上行控制信息的传输方法，其特征在于，包括：
    网络侧设备向终端侧设备发送第一信息，所述第一信息指示至少一个物理上行控制信道PUCCH资源；
    所述网络侧设备向所述终端侧设备分配第一上行资源，所述第一上行资源用于承载混合式自动重传请求HARQ应答信息；
    所述网络侧设备向所述终端侧设备发送第一指示，所述第一指示指示第二上行资源被抢占，所述第二上行资源与所述第一上行资源存在重叠；
    所述网络侧设备通过所述至少一个PUCCH资源中的第一PUCCH资源从所述终端设备接收所述HARQ应答信息。
  14. 如权利要求13所述的方法，其特征在于：
    所述第一上行资源为在所有类型的上行控制信息中仅承载所述HARQ应答信息的PUCCH资源；
    所述第一PUCCH资源的格式与所述第一上行资源的格式相同。
  15. 如权利要求13所述的方法，其特征在于：
    所述第一上行资源为用于复用所述HARQ应答信息以及其它类型上行控制信息的PUCCH资源，或者所述第一上行资源为用于复用所述HARQ应答信息的物理上行共享信道PUSCH资源；
    所述第一PUCCH资源的格式与所述HARQ应答信息被复用前用于承载所述HARQ应答信息的PUCCH资源的格式相同。
  16. 如权利要求13-15任一所述的方法，其特征在于，所述第一PUCCH资源的起始时间与接收到所述第一指示的时间之间的差值大于或者等于所述终端设备准备PUCCH资源的时间。
  17. 如权利要求13-16任一所述的方法，其特征在于，所述第一信息中包括所述至少一个PUCCH资源中每个PUCCH资源所在的时频位置信息以及每个PUCCH资源的格式。
  18. 一种装置，其特征在于，用于执行如权利要求1-12中任一项所述的方法。
  19. 一种装置，其特征在于，用于执行如权利要求13-17中任一项所述的方法。
  20. 一种装置，其特征在于，包括：处理器，所述处理器与存储器耦合；
    存储器，用于存储计算机程序；
    处理器，用于执行所述存储器中存储的计算机程序，以使得所述装置执行如权利要求1-12中任一项所述的方法。
  21. 一种装置，其特征在于，包括：处理器，所述处理器与存储器耦合；
    存储器，用于存储计算机程序；
    处理器，用于执行所述存储器中存储的计算机程序，以使得所述装置执行如权利要求13-17中任一项所述的方法。
  22. 一种可读存储介质，包括程序或指令，当所述程序或指令在计算机上运行时，如权利要求1-17中任一项所述的方法被执行。
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