WO2020220316A1 - 一种反馈信息的确定方法及装置、终端 - Google Patents

一种反馈信息的确定方法及装置、终端 Download PDF

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Publication number
WO2020220316A1
WO2020220316A1 PCT/CN2019/085320 CN2019085320W WO2020220316A1 WO 2020220316 A1 WO2020220316 A1 WO 2020220316A1 CN 2019085320 W CN2019085320 W CN 2019085320W WO 2020220316 A1 WO2020220316 A1 WO 2020220316A1
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WIPO (PCT)
Prior art keywords
feedback information
transmission resources
pdsch
harq process
terminal
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PCT/CN2019/085320
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English (en)
French (fr)
Inventor
林亚男
徐婧
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN201980020634.4A priority Critical patent/CN112352394B/zh
Priority to EP19927328.5A priority patent/EP3952166B1/en
Priority to PCT/CN2019/085320 priority patent/WO2020220316A1/zh
Publication of WO2020220316A1 publication Critical patent/WO2020220316A1/zh
Priority to US17/452,497 priority patent/US20220053533A1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/04Error control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements 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
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1822Automatic repetition systems, e.g. Van Duuren systems involving configuration of automatic repeat request [ARQ] with parallel processes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements 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
    • H04L1/1607Details of the supervisory signal
    • H04L1/1614Details of the supervisory signal using bitmaps
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements 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
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements 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
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829Arrangements specially adapted for the receiver end
    • H04L1/1854Scheduling and prioritising arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements 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
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829Arrangements specially adapted for the receiver end
    • H04L1/1861Physical mapping arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055Physical resource allocation for ACK/NACK
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/10Flow control between communication endpoints
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/02Selection of wireless resources by user or terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/11Semi-persistent scheduling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling
    • H04W72/1263Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1273Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/21Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08Access point devices
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W92/00Interfaces specially adapted for wireless communication networks
    • H04W92/02Inter-networking arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W92/00Interfaces specially adapted for wireless communication networks
    • H04W92/04Interfaces between hierarchically different network devices
    • H04W92/10Interfaces between hierarchically different network devices between terminal device and access point, i.e. wireless air interface

Definitions

  • the embodiments of the present application relate to the field of mobile communication technology, and specifically relate to a method, device, and terminal for determining feedback information.
  • New Radio (NR) Rel-15 includes two data transmission modes: dynamic transmission and semi-continuous/semi-static transmission.
  • dynamic transmission is that the parameters of each data transmission are indicated by the corresponding downlink control signaling.
  • Semi-persistent/semi-static transmission is characterized in that transmission resources and transmission modes are both semi-persistent/semi-statically configured, and downlink control signaling is used to activate/release corresponding semi-persistent/semi-static transmission. Once activated, subsequent transmissions do not require physical layer signaling.
  • Rel-15 stipulates that after the terminal receives a HARQ process, if the corresponding Acknowledgement/Negative Acknowledgement (ACK/NACK) information is not fed back, the HARQ process cannot be scheduled again .
  • ACK/NACK Acknowledgement/Negative Acknowledgement
  • the embodiments of the present application provide a method, device, and terminal for determining feedback information.
  • the terminal determines the HARQ process number corresponding to each transmission resource according to the position of each transmission resource in the multiple transmission resources;
  • the terminal determines a first feedback information codebook according to the HARQ process numbers corresponding to the multiple transmission resources, where the first feedback information codebook includes feedback information corresponding to the multiple transmission resources
  • the first determining unit is configured to determine the HARQ process number corresponding to each transmission resource according to the position of each transmission resource in the multiple transmission resources;
  • the second determining unit is configured to determine a first feedback information codebook according to HARQ process numbers corresponding to the multiple transmission resources, where the first feedback information codebook includes feedback information corresponding to the multiple transmission resources.
  • the terminal provided in the embodiment of the present application includes a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory, and execute the aforementioned method for determining feedback information.
  • the device provided in the embodiment of the present application is used to implement the foregoing method for determining feedback information.
  • the device includes: a processor, configured to call and run a computer program from the memory, so that the chip-mounted device executes the above-mentioned method for determining feedback information.
  • the computer-readable storage medium provided by the embodiments of the present application is used to store a computer program, and the computer program enables a computer to execute the above-mentioned method for determining feedback information.
  • the computer program product provided by the embodiment of the present application includes computer program instructions, and the computer program instructions cause a computer to execute the foregoing feedback information determination method.
  • the computer program provided in the embodiment of the present application when it runs on a computer, causes the computer to execute the foregoing method for determining feedback information.
  • the terminal determines the first feedback information codebook according to the HARQ process numbers corresponding to multiple transmission resources.
  • the first feedback information codebook designed in the embodiment of the present application can effectively reduce the uplink feedback overhead and improve The transmission efficiency.
  • FIG. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
  • FIG. 2 is a schematic diagram of PDSCH in a feedback window provided by an embodiment of the application.
  • FIG. 3 is a schematic flowchart of a method for determining feedback information provided by an embodiment of the application
  • Figure 4 is a first schematic diagram of an application provided by an embodiment of this application.
  • Figure 5 is a second schematic diagram of an application provided by an embodiment of this application.
  • FIG. 6 is a third schematic diagram of an application provided by an embodiment of this application.
  • FIG. 7 is a fourth schematic diagram of an application provided by an embodiment of this application.
  • Figure 8 is a fifth schematic diagram of an application provided by an embodiment of this application.
  • FIG. 9 is a sixth schematic diagram of an application provided by an embodiment of this application.
  • FIG. 10 is a schematic structural composition diagram of an apparatus for determining feedback information provided by an embodiment of the application.
  • FIG. 11 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 12 is a schematic structural diagram of a chip of an embodiment of the present application.
  • FIG. 13 is a schematic block diagram of a communication system provided by an embodiment of the present application.
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • 5G Fifth Generation
  • future communication system for example: Long Term Evolution (LTE) system, LTE Frequency Division Duplex (FDD) system, LTE Time Division Duplex (Time Division Duplex) , TDD) system, 5G system or future communication system.
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • Time Division Duplex Time Division Duplex
  • TDD Time Division Duplex
  • 5G Fifth Generation
  • the communication system 100 applied in the embodiment of the present application is shown in FIG. 1.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal 120 (or called a communication terminal or a terminal).
  • the network device 110 may provide communication coverage for a specific geographic area, and may communicate with terminals located in the coverage area.
  • the network device 110 may be an evolved base station (Evolutional Node B, eNB, or eNodeB) in an LTE system, or a radio controller in a cloud radio access network (Cloud Radio Access Network, CRAN), or
  • the network equipment can be a mobile switching center, a relay station, an access point, a vehicle-mounted device, a wearable device, a hub, a switch, a bridge, a router, a network side device in a 5G network, or a public land mobile network that will evolve in the future (Public Land Mobile Network). , PLMN) in the network equipment, etc.
  • PLMN Public Land Mobile Network
  • the communication system 100 also includes at least one terminal 120 located within the coverage area of the network device 110.
  • the terminal 120 and the network device 110 may communicate wirelessly or wiredly.
  • a terminal set to communicate through a wireless interface may be referred to as a "wireless communication terminal", a “wireless terminal” or a “mobile terminal”.
  • a terminal can refer to an access terminal, user equipment (UE), user unit, user station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent, or user device.
  • UE user equipment
  • the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant, PDA), with wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminals in 5G networks, or terminals in the future evolution of PLMN, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the terminals 120 may perform device-to-device (D2D) communication.
  • D2D device-to-device
  • the 5G system or 5G network may also be referred to as a New Radio (NR) system or NR network.
  • NR New Radio
  • FIG. 1 exemplarily shows one network device and two terminals.
  • the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminals. This embodiment of the present application There is no restriction on this.
  • the communication system 100 may also include other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • the devices with communication functions in the network/system in the embodiments of the present application may be referred to as communication devices.
  • the communication system 100 may include a network device 110 and a terminal 120 with communication functions.
  • the network device 110 and the terminal 120 may be the specific devices described above, which will not be repeated here.
  • the communication system 100 may also include other communication devices, such as other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • NR Rel-15 supports two HARQ feedback information generation methods, namely semi-static HARQ codebook (ie Type-1 HARQ-ACK codebook) and dynamic HARQ codebook (ie Type-2 HARQ-ACK codebook).
  • semi-static HARQ codebook ie Type-1 HARQ-ACK codebook
  • dynamic HARQ codebook ie Type-2 HARQ-ACK codebook
  • the number of feedback information bits included in the semi-static HARQ codebook is determined according to semi-statically configured parameters (HARQ timing set, PDSCH time domain resource allocation table PDSCH-TimeDomainResourceAllocationList, etc.). Its essential meaning is that the feedback information bits included in the codebook correspond to the physical resources of the physical downlink shared channel (Physical Downlink Shared Channel, PDSCH) that can be transmitted in the semi-statically configured feedback window.
  • PDSCH Physical Downlink Shared Channel
  • the number of PDSCHs actually scheduled is less than or equal to the number of physical resources that can transmit PDSCHs in the feedback window. For a certain physical resource that can transmit PDSCH, if the terminal does not receive the DCI format 1_0 or DCI format 1_1 scheduled to transmit PDSCH on the resource, the terminal sets NACK on the feedback information bit corresponding to the resource; otherwise, it will The actual decoding result is set on the corresponding feedback information bit position, as shown in Figure 2, where bi represents the decoding result (ie feedback information) corresponding to PDSCH i.
  • the terminal determines the number of feedback information bits in the codebook according to the downlink allocation index (DAI) information field in the downlink control signaling (Downlink Control Information, DCI) corresponding to the actually received PDSCH, and each feedback information bit The bit is the actual decoding result.
  • DCI downlink allocation index
  • DCI Downlink Control Information
  • dynamic transmission there are two data transmission methods: dynamic transmission and semi-continuous/semi-static transmission.
  • the characteristic of dynamic transmission is that the parameters of each data transmission are indicated by the corresponding DCI, and the specific DCI includes information such as physical resources used by the PDSCH and HARQ process ID.
  • Semi-persistent/semi-static transmission is characterized in that transmission resources and transmission modes are both semi-persistent/semi-statically configured, and corresponding semi-persistent scheduling (SPS) transmission is activated/released through DCI.
  • SPS semi-persistent scheduling
  • the terminal is configured with at most one set of SPS transmission parameters, and the shortest period is 10 ms.
  • the base station will always send an SPS PDSCH without dynamic scheduling in the same time resource.
  • the terminal also always sends ACK/NACK information corresponding to the SPS PDSCH.
  • NR Rel 16 in order to better support Ultra-Reliable Low Latency Communication (URLLC), it is proposed to configure multiple sets of SPS transmission parameters for a terminal, and the SPS cycle will be shortened, and the shortest can be 2 symbol.
  • the foregoing HARQ process number calculation method needs to be enhanced to support short-period SPS transmission.
  • the SPS period is shortened, if the existing ACK/NACK feedback mechanism is still used, there will be a large number of SPS transmission opportunities within the feedback window, and the HARQ process numbers calculated for different SPS transmission opportunities based on time resources may be the same. If the terminal always generates the HARQ codebook according to the number of configuration resource reservations, the feedback overhead will be very large.
  • the terminal If the terminal generates the HARQ codebook according to the received SPS PDSCH, because there is no similar DAI information, when the base station sends a certain SPS PDSCH and the terminal fails to detect it successfully, the terminal and the base station will have inconsistent understandings of the HARQ codebook, which will cause the All ACK/NACK information carried in the HARQ codebook is misunderstood, which seriously affects transmission reliability. For this reason, the following technical solutions of the embodiments of the present application are proposed.
  • FIG. 3 is a schematic flowchart of a method for determining feedback information provided by an embodiment of the application. As shown in FIG. 3, the method for determining feedback information includes the following steps:
  • Step 301 The terminal determines the HARQ process number corresponding to each transmission resource according to the position of each transmission resource in the multiple transmission resources.
  • the transmission resource is an SPS resource.
  • the terminal is configured with one or more sets of SPS transmission parameters, and the terminal determines multiple SPS resources according to the one or more sets of SPS transmission parameters.
  • the multiple transmission resources are allocated to SPS PDSCH.
  • the terminal determines the HARQ process ID corresponding to the transmission resource according to the time domain position of the transmission resource.
  • the HARQ process number corresponding to the transmission resource refers to the HARQ process number of the downlink data transmitted on the transmission resource.
  • Step 302 The terminal determines a first feedback information codebook according to HARQ process numbers corresponding to the multiple transmission resources, where the first feedback information codebook includes feedback information corresponding to the multiple transmission resources.
  • the first feedback information codebook includes multiple feedback information bits; among the multiple feedback information bits, different feedback information bits correspond to different HARQ process numbers.
  • the at least two transmission resources correspond to the same feedback information in the first feedback information codebook Bits. In this way, the uplink feedback overhead can be effectively reduced.
  • the first feedback information code can be generated in any of the following two ways:
  • Manner 1 The multiple feedback information bits are obtained according to the order of HARQ process numbers corresponding to the multiple transmission resources.
  • a plurality of feedback information bits can be obtained in ascending order according to the HARQ process numbers corresponding to the multiple transmission resources (that is, the first feedback information codebook is obtained).
  • the first feedback information codebook includes ⁇ b1, b3, b4, b5, b6 ⁇ , where bi is the feedback information bit corresponding to the HARQ process i.
  • Manner 2 The multiple feedback information bits are obtained according to the time sequence of the multiple transmission resources.
  • the position of the feedback information bits corresponding to the at least two transmission resources in the first feedback information codebook is It is determined based on the time of the first transmission resource or the last transmission resource of the at least two transmission resources.
  • the first feedback information codebook includes ⁇ b3, b5, b4, b6, b1 ⁇ or ⁇ b3, b4, b6, b5, b1 ⁇ .
  • the setting of the content of the feedback information has the following situations:
  • Case 1 If the HARQ process numbers corresponding to at least two transmission resources in the multiple transmission resources are the same, the terminal can only receive at most one SPS PDSCH on the at least two transmission resources.
  • the feedback information bits corresponding to the at least two transmission resources are set to: SPS PDSCH feedback information received by the terminal.
  • the terminal after the terminal receives one SPS PDSCH on one of the at least two transmission resources, the terminal does not use any transmission resources after the one transmission resource. Expect to receive SPS PDSCH.
  • PDSCH1 and PDSCH2 both refer to SPS PDSCH.
  • Case 2 If the HARQ process numbers corresponding to at least two transmission resources in the multiple transmission resources are the same, the terminal receives multiple SPS PDSCHs on the at least two transmission resources, and the at least two transmission resources The corresponding feedback information bit is set to the feedback information of one SPS PDSCH among the multiple SPS PDSCHs received by the terminal.
  • one SPS PDSCH of the multiple SPS PDSCHs is the first SPS PDSCH or the last SPS PDSCH.
  • other SPS PDSCHs other than the one SPS PDSCH among the multiple SPS PDSCHs have no feedback information.
  • the first feedback information codebook further includes feedback information for dynamically scheduling PDSCH.
  • the HARQ process ID of the dynamic scheduling of the PDSCH can be indicated by the DCI scheduling the PDSCH transmission.
  • solution a the first feedback information codebook can be designed into the following form:
  • a first subcodebook (subcodebook 1), where the first subcodebook includes feedback information for dynamically scheduling PDSCH;
  • a second subcodebook (subcodebook 2), where the second subcodebook includes feedback information corresponding to the multiple transmission resources.
  • the foregoing first subcodebook and the second subcodebook are aggregated to obtain the first feedback information codebook, wherein the second subcodebook can be obtained through the aforementioned scheme, and the first subcodebook is based on the DAI information in the DCI for scheduling PDSCH The domain is determined.
  • the first sub-codebook and the second sub-codebook can be aggregated in any manner to obtain the first feedback information codebook, for example, the first sub-codebook and the second sub-codebook are sequentially concatenated to obtain the first feedback information codebook.
  • the first feedback information codebook for example, the first sub-codebook and the second sub-codebook are alternately arranged to obtain the first feedback information codebook.
  • the following describes in detail the first feedback information codebook that includes both the feedback information of the dynamically scheduled PDSCH and the feedback information corresponding to the multiple transmission resources.
  • the first feedback information codebook includes:
  • the first subcodebook includes the feedback information of the dynamic scheduling PDSCH
  • the second subcodebook includes feedback information corresponding to transmission resources other than the first transmission resource among the multiple transmission resources. In other words, the second subcodebook does not include feedback information bits corresponding to the first transmission resource.
  • subcodebook 1 includes ⁇ a1, a2 ⁇ , where ai represents the feedback information for dynamic scheduling of PDSCHi, and subcodebook 2 includes ⁇ b1, b3, b4, b5 ⁇ , where bi represents the transmission through the multiple transmission resources
  • subcodebook 1 and subcodebook 2 are cascaded to obtain the first feedback information codebook ⁇ a1, a2, b1, b3, b4, b5 ⁇ .
  • the feedback information codebook includes the feedback information of the dynamically scheduled PDSCH and the feedback information corresponding to the transmission resources other than the at least one transmission resource among the plurality of transmission resources.
  • the first feedback information codebook includes the feedback information of the dynamically scheduled PDSCH, but does not include the feedback information bits corresponding to the at least one transmission resource.
  • the first feedback information codebook includes:
  • the first subcodebook includes the feedback information of the dynamic scheduling PDSCH
  • the second subcodebook includes feedback information corresponding to transmission resources other than the at least one transmission resource among the multiple transmission resources. In other words, the second subcodebook does not include feedback information bits associated with the first process ID.
  • the resource corresponding to the first dashed box can be used to transmit dynamic scheduling PDSCH1, and dynamic scheduling PDSCH1 and resource 2 correspond to the same HARQ process Number (ie process 4).
  • the subcodebook 1 includes ⁇ a1, a2 ⁇ , where ai is the feedback information of the dynamic scheduling PDSCHi. Since the HARQ process number of the dynamically scheduled PDSCH1 is 4, the subcodebook 2 includes ⁇ b3, b5 ⁇ , where bi represents the feedback information of the non-dynamically scheduled HARQ process i transmitted through the multiple transmission resources.
  • the subcodebook 1 and the subcodebook 2 are cascaded to obtain the first feedback information codebook as ⁇ a1, a2, b3, b5 ⁇ .
  • the terminal is in The at least one transmission resource does not receive SPS PDSCH.
  • the resource corresponding to the first dashed box (the resource does not belong to the multiple transmission resources (ie SPS transmission resources)) can be used to transmit dynamic scheduling PDSCH1, and dynamic scheduling PDSCH1 and resource 2 correspond to the same HARQ process Number (that is, process 4), the terminal does not (expect) to receive SPS PDSCH1 on resource 2.
  • the terminal receives the HARQ process number for dynamically scheduling PDSCH as the first process number, and the HARQ process number corresponding to at least one of the multiple transmission resources is the first process number, the terminal is in the If at least one SPS PDSCH is received on the at least one transmission resource, then:
  • the feedback information bit associated with the first process ID is set to: the feedback information of the last PDSCH of the dynamically scheduled PDSCH and the at least one SPS PDSCH received by the terminal.
  • the resource corresponding to the first dashed box can be used to transmit dynamic scheduling PDSCH1, and dynamic scheduling PDSCH1 and resource 2 correspond to the same HARQ process No. (ie process 4), the terminal receives SPS PDSCH1 on resource 2, then subcodebook1 is ⁇ a2 ⁇ , where ai is the feedback information of dynamic scheduling PDSCHi; subcodebook 2 is ⁇ b3, b4, b5 ⁇ , where bi means passing all The feedback information of the non-dynamically scheduled HARQ process i transmitted by the multiple transmission resources.
  • the subcodebook 1 and subcodebook 2 are cascaded to obtain the first feedback information codebook as ⁇ a2, b3, b4, b5 ⁇ .
  • the feedback information bit associated with the first process number is set to: the feedback information of the dynamically scheduled PDSCH received by the terminal.
  • the resource corresponding to the first dashed box can be used to transmit dynamic scheduling PDSCH1, and dynamic scheduling PDSCH1 and resource 2 correspond to the same HARQ process No. (ie process 4), the terminal receives SPS PDSCH1 on resource 2, then subcodebook1 is ⁇ a1, a2 ⁇ , where ai is the feedback information of dynamic scheduling PDSCHi; subcodebook 2 is ⁇ b3, b5 ⁇ , where bi means passing all The feedback information of the non-dynamically scheduled HARQ process i transmitted by the multiple transmission resources.
  • the subcodebook 1 and the subcodebook 2 are cascaded to obtain the first feedback information codebook as ⁇ a1, a2, b3, b5 ⁇ .
  • the embodiment of the present application further provides the following solution b), specifically, in the solution b):
  • the first feedback information codebook includes N feedback information bits, the N feedback information bits are associated with N HARQ process numbers, and the value of N is equal to the maximum number of HARQ processes supported by the terminal. That is: the first feedback information codebook is arranged in the order of the largest HARQ process supported by the terminal. Taking the terminal supporting 16 HARQ processes as an example, the first feedback information codebook is ⁇ b1, b2,..., b16 ⁇ , where bi is The feedback information bit corresponding to the HARQ process i.
  • the specific conditions include at least one of the following:
  • the terminal determines that at least one dynamically scheduled PDSCH is lost.
  • the terminal may determine the loss of the dynamically scheduled PDSCH based on the DAI information field in the DCI.
  • the loss of the dynamic scheduling PDSCH means that the corresponding DCI is not received, so the terminal does not know the HARQ process information of the lost dynamic scheduling PDSCH, which will cause inconsistent understanding of the first feedback information codebook generation method between the base station and the terminal
  • the base station can perform blind detection on the first feedback information codebook, that is, first detect the first feedback information codebook generated according to scheme a), if it is found to be unsuccessful, then detect the codebook according to scheme b)
  • the first feedback information codebook generated by the method Since the loss of the dynamically scheduled PDSCH is a small probability event, especially for the URLLC arrival probability of 10 -6 , the probability of the base station performing blind detection is also very low.
  • the HARQ process numbers corresponding to the multiple transmission resources cover the N HARQ process numbers.
  • the number of the multiple transmission resources is greater than or equal to the maximum number of HARQ processes supported by the terminal.
  • FIG. 10 is a schematic diagram of the structural composition of an apparatus for determining feedback information provided by an embodiment of the application.
  • the apparatus for determining feedback information is applied to a terminal.
  • the apparatus for determining feedback information includes:
  • the first determining unit 1001 is configured to determine the HARQ process number corresponding to each transmission resource according to the position of each transmission resource in the multiple transmission resources;
  • the second determining unit 1002 is configured to determine a first feedback information codebook according to HARQ process numbers corresponding to the multiple transmission resources, where the first feedback information codebook includes feedback information corresponding to the multiple transmission resources.
  • the at least two transmission resources correspond to the same feedback information in the first feedback information codebook Bits.
  • the first feedback information codebook includes a plurality of feedback information bits
  • different feedback information bits correspond to different HARQ process numbers.
  • the multiple feedback information bits are obtained according to the order of HARQ process numbers corresponding to the multiple transmission resources.
  • the multiple feedback information bits are obtained according to a time sequence of the multiple transmission resources.
  • the feedback information bits corresponding to the at least two transmission resources are in the first feedback information codebook.
  • the position in is determined based on the time of the first transmission resource or the last transmission resource of the at least two transmission resources.
  • the multiple transmission resources are allocated to SPS PDSCH.
  • the device further includes a receiving unit 1003;
  • the receiving unit 1003 only receives at most one SPS PDSCH on the at least two transmission resources.
  • the device further includes a receiving unit 1003;
  • the receiving unit 1003 receives multiple SPS PDSCHs on the at least two transmission resources, and the at least two transmission resources correspond to The feedback information bit of is set to feedback information of one SPS PDSCH of the multiple SPS PDSCHs received by the terminal.
  • one SPS PDSCH of the multiple SPS PDSCHs is the first SPS PDSCH or the last SPS PDSCH.
  • the first feedback information codebook further includes feedback information for dynamically scheduling PDSCH.
  • the first feedback information codebook includes:
  • a first sub-codebook where the first sub-codebook includes feedback information for dynamically scheduling PDSCH;
  • a second subcodebook where the second subcodebook includes feedback information corresponding to the multiple transmission resources.
  • the device further includes a receiving unit 1003;
  • the first feedback information codebook includes:
  • the first subcodebook includes the feedback information of the dynamic scheduling PDSCH
  • the second subcodebook includes feedback information corresponding to transmission resources other than the first transmission resource among the multiple transmission resources.
  • the device further includes a receiving unit 1003;
  • the first feedback information codebook includes feedback information of the dynamically scheduled PDSCH, and feedback information corresponding to transmission resources other than the at least one transmission resource among the plurality of transmission resources.
  • the first feedback information codebook includes:
  • the first subcodebook includes the feedback information of the dynamic scheduling PDSCH
  • the second subcodebook includes feedback information corresponding to transmission resources other than the at least one transmission resource among the multiple transmission resources.
  • the device further includes a receiving unit 1003;
  • the receiving unit 1003 receives the HARQ process number for dynamically scheduling PDSCH as the first process number, and the HARQ process number corresponding to at least one of the multiple transmission resources is the first process number, then The terminal does not receive the SPS PDSCH in the at least one transmission resource.
  • the device further includes a receiving unit 1003;
  • the receiving unit 1003 receives the HARQ process number for dynamically scheduling PDSCH as the first process number, and the HARQ process number corresponding to at least one of the multiple transmission resources is the first process number, the receiving If the unit receives at least one SPS PDSCH on the at least one transmission resource, then:
  • the feedback information bit associated with the first process ID is set to: the feedback information of the last PDSCH of the dynamically scheduled PDSCH and the at least one SPS PDSCH received by the terminal; or,
  • the feedback information bit associated with the first process number is set to: the feedback information of the dynamically scheduled PDSCH received by the terminal.
  • the first feedback information codebook when a specific condition is met, includes N feedback information bits, the N feedback information bits are associated with N HARQ process numbers, and the value of N Equal to the maximum number of HARQ processes supported by the terminal.
  • the specific condition includes at least one of the following:
  • the terminal determines that at least one dynamically scheduled PDSCH is lost
  • the HARQ process numbers corresponding to the multiple transmission resources cover the N HARQ process numbers;
  • the number of the multiple transmission resources is greater than or equal to the maximum number of HARQ processes supported by the terminal.
  • FIG. 11 is a schematic structural diagram of a communication device 1100 according to an embodiment of the present application.
  • the communication device may be a terminal.
  • the communication device 1100 shown in FIG. 11 includes a processor 1110, and the processor 1110 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the communication device 1100 may further include a memory 1120.
  • the processor 1110 may call and run a computer program from the memory 1120 to implement the method in the embodiment of the present application.
  • the memory 1120 may be a separate device independent of the processor 1110, or may be integrated in the processor 1110.
  • the communication device 1100 may further include a transceiver 1130, and the processor 1110 may control the transceiver 1130 to communicate with other devices. Specifically, it may send information or data to other devices, or receive other devices. Information or data sent by the device.
  • the transceiver 1130 may include a transmitter and a receiver.
  • the transceiver 1130 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 1100 may specifically be a network device in an embodiment of the application, and the communication device 1100 may implement the corresponding process implemented by the network device in each method of the embodiment of the application. For the sake of brevity, details are not repeated here. .
  • the communication device 1100 may specifically be a mobile terminal/terminal according to an embodiment of the application, and the communication device 1100 may implement the corresponding procedures implemented by the mobile terminal/terminal in each method of the embodiments of the application. For the sake of brevity, This will not be repeated here.
  • FIG. 12 is a schematic structural diagram of a chip of an embodiment of the present application.
  • the chip 1200 shown in FIG. 12 includes a processor 1210, and the processor 1210 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 1200 may further include a memory 1220.
  • the processor 1210 can call and run a computer program from the memory 1220 to implement the method in the embodiment of the present application.
  • the memory 1220 may be a separate device independent of the processor 1210, or it may be integrated in the processor 1210.
  • the chip 1200 may further include an input interface 1230.
  • the processor 1210 can control the input interface 1230 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
  • the chip 1200 may further include an output interface 1240.
  • the processor 1210 can control the output interface 1240 to communicate with other devices or chips, specifically, can output information or data to other devices or chips.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the network device in the various methods of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the network device in the various methods of the embodiment of the present application.
  • the chip can be applied to the mobile terminal/terminal in the embodiment of the present application, and the chip can implement the corresponding process implemented by the mobile terminal/terminal in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the mobile terminal/terminal in each method of the embodiment of the present application.
  • it will not be omitted here. Repeat.
  • the chip mentioned in the embodiment of the present application may also be referred to as a system-level chip, a system-on-chip, a system-on-chip, or a system-on-chip, etc.
  • FIG. 13 is a schematic block diagram of a communication system 1300 according to an embodiment of the present application. As shown in FIG. 13, the communication system 1300 includes a terminal 1310 and a network device 1320.
  • the terminal 1310 may be used to implement the corresponding functions implemented by the terminal in the foregoing method
  • the network device 1320 may be used to implement the corresponding functions implemented by the network device in the foregoing method.
  • details are not described herein again.
  • the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capability.
  • the steps of the foregoing method embodiments can be completed by hardware integrated logic circuits in the processor or instructions in the form of software.
  • the aforementioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC application specific integrated circuit
  • FPGA ready-made programmable gate array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiments of the present application may be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM random access memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • ESDRAM enhanced synchronous dynamic random access memory
  • Synchlink DRAM SLDRAM
  • DR RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM), etc.
  • static random access memory static random access memory
  • SRAM static random access memory
  • dynamic RAM dynamic random access memory
  • Synchronous dynamic random access memory synchronous DRAM, SDRAM
  • double data rate SDRAM double data rate SDRAM, DDR SDRAM
  • enhanced synchronous dynamic random access memory enhanced synchronous dynamic random access memory
  • ESDRAM enhanced synchronous dynamic random access memory
  • synchronous connection Dynamic random access memory switch link DRAM, SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the embodiment of the present application also provides a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium may be applied to the network device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer-readable storage medium may be applied to the mobile terminal/terminal in the embodiments of the present application, and the computer program causes the computer to execute the corresponding processes implemented by the mobile terminal/terminal in the various methods of the embodiments of the present application, for It’s concise and will not be repeated here.
  • the embodiments of the present application also provide a computer program product, including computer program instructions.
  • the computer program product may be applied to the network device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program product can be applied to the mobile terminal/terminal in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding procedures implemented by the mobile terminal/terminal in the various methods of the embodiments of the present application, for the sake of brevity , I won’t repeat it here.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device in the embodiment of the present application.
  • the computer program runs on the computer, the computer is caused to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • I won’t repeat it here.
  • the computer program can be applied to the mobile terminal/terminal in the embodiments of the present application.
  • the computer program runs on the computer, the computer can execute the corresponding methods implemented by the mobile terminal/terminal in the various methods of the embodiments of the present application. For the sake of brevity, the process will not be repeated here.
  • the disclosed system, device, and method may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components can be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • each unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of this application essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the method described in each embodiment of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory,) ROM, random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code .

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Abstract

一种反馈信息的确定方法及装置、终端,方法包括:终端根据多个传输资源中每个传输资源的位置确定每个传输资源对应的HARQ进程号;终端根据多个传输资源对应的HARQ进程号确定第一反馈信息码本,第一反馈信息码本包括多个传输资源对应的反馈信息。

Description

一种反馈信息的确定方法及装置、终端 技术领域
本申请实施例涉及移动通信技术领域,具体涉及一种反馈信息的确定方法及装置、终端。
背景技术
新无线(New Radio,NR)Rel-15中数据传输方式包括两种:动态传输和半持续/半静态传输。动态传输的特征在于每一次数据传输的参数由对应的下行控制信令指示。半持续/半静态传输的特征在于传输资源和传输方式都是半持续/半静态配置的,下行控制信令用于激活/释放对应的半持续/半静态传输。一旦激活,后续传输则无需物理层信令。
另一方面,Rel-15中规定,终端接收到一个HARQ进程后,若对应的肯定确认/否定确认(Acknowledgement/Negative Acknowledgement,ACK/NACK)信息未反馈之前,该HARQ进程是不能被再次调度的。按照目前的HARQ码本设计,对于当半持续/半静态传输周期缩短后,可能会造成反馈开销大,严重影响传输效率。
发明内容
本申请实施例提供一种反馈信息的确定方法及装置、终端。
本申请实施例提供的反馈信息的确定方法,包括:
终端根据多个传输资源中每个传输资源的位置确定所述每个传输资源对应的HARQ进程号;
所述终端根据所述多个传输资源对应的HARQ进程号确定第一反馈信息码本,所述第一反馈信息码本包括所述多个传输资源对应的反馈信息
本申请实施例提供的反馈信息的确定装置,包括:
第一确定单元,用于根据多个传输资源中每个传输资源的位置确定所述每个传输资源对应的HARQ进程号;
第二确定单元,用于根据所述多个传输资源对应的HARQ进程号确定第一反馈信息码本,所述第一反馈信息码本包括所述多个传输资源对应的反馈信息。
本申请实施例提供的终端,包括处理器和存储器。该存储器用于存储计算机程序,该处理器用于调用并运行该存储器中存储的计算机程序,执行上述的反馈信息的确定方法。
本申请实施例提供的装置,用于实现上述的反馈信息的确定方法。
具体地,该装置包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有芯片的设备执行上述的反馈信息的确定方法。
本申请实施例提供的计算机可读存储介质,用于存储计算机程序,该计算机程序使得计算机执行上述的反馈信息的确定方法。
本申请实施例提供的计算机程序产品,包括计算机程序指令,该计算机程序指令使得计算机执行上述的反馈信息的确定方法。
本申请实施例提供的计算机程序,当其在计算机上运行时,使得计算机执行上述的反馈信息的确定方法。
本申请实施例的技术方案中,终端根据多个传输资源对应的HARQ进程号来确定第一反馈信息码本,本申请实施例所设计的第一反馈信息码本可以有效降低上行反馈开销,提高了传输效率。
附图说明
此处所说明的附图用来提供对本申请的进一步理解,构成本申请的一部分,本申请的示意性实施例及其说明用于解释本申请,并不构成对本申请的不当限定。在附图中:
图1是本申请实施例提供的一种通信***架构的示意性图;
图2为本申请实施例提供的反馈窗口内PDSCH的示意图;
图3为本申请实施例提供的反馈信息的确定方法的流程示意图;
图4为本申请实施例提供的应用示意图一;
图5为本申请实施例提供的应用示意图二;
图6为本申请实施例提供的应用示意图三;
图7为本申请实施例提供的应用示意图四;
图8为本申请实施例提供的应用示意图五;
图9为本申请实施例提供的应用示意图六;
图10为本申请实施例提供的反馈信息的确定装置的结构组成示意图;
图11是本申请实施例提供的一种通信设备示意性结构图;
图12是本申请实施例的芯片的示意性结构图;
图13是本申请实施例提供的一种通信***的示意性框图。
具体实施方式
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行描述,显然,所描述的实施例是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
本申请实施例的技术方案可以应用于各种通信***,例如:长期演进(Long Term Evolution,LTE)***、LTE频分双工(Frequency Division Duplex,FDD)***、LTE时分双工(Time Division Duplex,TDD)***、5G***或未来的通信***等。
示例性的,本申请实施例应用的通信***100如图1所示。该通信***100可以包括网络设备110,网络设备110可以是与终端120(或称为通信终端、终端)通信的设备。网络设备110可以为特定的地理区域提供通信覆盖,并且可以与位于该覆盖区域内的终端进行通信。可选地,该网络设备110可以是LTE***中的演进型基站(Evolutional Node B,eNB或eNodeB),或者是云无线接入网络(Cloud Radio Access Network,CRAN)中的无线控制器,或者该网络设备可以为移动交换中心、中继站、接入点、车载设备、可穿戴设备、集线器、交换机、网桥、路由器、5G网络中的网络侧设备或者未来演进的公共陆地移动网络(Public Land Mobile Network,PLMN)中的网络设备等。
该通信***100还包括位于网络设备110覆盖范围内的至少一个终端120。终端120与网络设备110之间可以通过无线或者有线进行通信。被设置成通过无线接口通信的终端可以被称为“无线通信终端”、“无线终端”或“移动终端”。终端可以指接入终端、用户设备(User Equipment,UE)、用户单元、用户站、移动站、远方站、远程终端、 移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol,SIP)电话、无线本地环路(Wireless Local Loop,WLL)站、个人数字处理(Personal Digital Assistant,PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备、5G网络中的终端或者未来演进的PLMN中的终端等。
可选地,终端120之间可以进行终端直连(Device to Device,D2D)通信。
可选地,5G***或5G网络还可以称为新无线(New Radio,NR)***或NR网络。
图1示例性地示出了一个网络设备和两个终端,可选地,该通信***100可以包括多个网络设备并且每个网络设备的覆盖范围内可以包括其它数量的终端,本申请实施例对此不做限定。
可选地,该通信***100还可以包括网络控制器、移动管理实体等其他网络实体,本申请实施例对此不作限定。
应理解,本申请实施例中网络/***中具有通信功能的设备可称为通信设备。以图1示出的通信***100为例,该通信***100可包括具有通信功能的网络设备110和终端120,网络设备110和终端120可以为上文所述的具体设备,此处不再赘述。通信***100中还可包括其他通信设备,例如网络控制器、移动管理实体等其他网络实体,本申请实施例中对此不做限定。
应理解,本文中术语“***”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。
为便于理解本申请实施例的技术方案,以下对本申请实施例涉及到的相关概念进行说明。
Figure PCTCN2019085320-appb-000001
HARQ codebook
NR Rel-15中支持两种HARQ反馈信息生成方式,即半静态HARQ codebook(即Type-1 HARQ-ACK codebook)和动态HARQ codebook(即Type-2 HARQ-ACK codebook)。其中,半静态HARQ codebook中包括的反馈信息比特位的数量根据半静态配置的参数(HARQ时序集合、PDSCH时域资源分配表PDSCH-TimeDomainResourceAllocationList等)确定。其本质含义是codebook中包含的反馈信息比特位与半静态配置的反馈窗口中能够传输的物理下行共享信道(Physical Downlink Shared Channel,PDSCH)的各物理资源对应。而实际调度的PDSCH数量小于或等于该反馈窗口内能够传输PDSCH的物理资源的数量。对某一个能够传输PDSCH的物理资源来说,若终端未接收到调度在该资源上传输PDSCH的DCI格式1_0或DCI格式1_1,则终端在该资源对应的反馈信息比特位上设置NACK;否则将实际的译码结果设置在对应的反馈信息比特位上,如图2所示,其中bi表示PDSCH i对应的译码结果(即反馈信息)。
而对于动态HARQ codebook,终端根据实际接收到的PDSCH对应的下行控制信令(Downlink Control Information,DCI)中的下行分配索引(DAI)信息域确定codebook的反馈信息比特位的数量,各反馈信息比特位上为实际的译码结果。以图2为例,动态HARQ codebook为{b1,b2,b3,b4}。
Figure PCTCN2019085320-appb-000002
数据传输方式
在NR***中,数据传输方式包括两种:动态传输和半持续/半静态传输。动态传输的特征在于每一次数据传输的参数由对应的DCI指示,具体的DCI中包括PDSCH所使用的物理资源、HARQ进程号等信息。半持续/半静态传输的特征在于传 输资源和传输方式都是半持续/半静态配置的,通过DCI激活/释放对应的半持续调度(Semi-Persistent Scheduling,SPS)传输。
在NR Rel 15中,终端最多被配置一套SPS传输参数,其周期最短是10ms。一旦SPS传输被激活,在相同时间资源内无动态调度的情况下,基站总是会发送一个SPS PDSCH。SPS PDSCH的HARQ进程号是通过如下公式计算得到的:HARQ Process ID=[floor(CURRENT_slot×10/(numberOfSlotsPerFrame×periodicity))]modulo nrofHARQ-Processes,其中,CURRENT_slot=[(SFN×numberOfSlotsPerFrame)+slot number in the frame],numberOfSlotsPerFrame为一个帧中包括的连续的时隙数,periodicity为SPS传输周期。终端也总是发送SPS PDSCH对应的ACK/NACK信息。
在NR Rel 16中,为更好的支持超可靠低时延传输(Ultra-Reliable Low Latency Communication,URLLC),提出对一个终端配置多套SPS传输参数,且SPS周期会缩短,最短可以到2个符号。上述HARQ进程号计算方式需要增强以支持短周期SPS传输。当SPS周期缩短后,若依然采用现有的ACK/NACK反馈机制,则在反馈窗口内会存在大量的SPS传输机会,且不同SPS传输机会根据时间资源计算得到的HARQ进程号可能是相同的。若终端总是按照配置资源预留的数量生成HARQ codebook,则反馈开销将会很大。若终端按照接收到的SPS PDSCH生成HARQ codebook,由于无类似DAI信息,当基站发送某个SPS PDSCH,而终端未检测成功时,终端与基站则对HARQ codebook的理解将是不一致的,从而造成对HARQ codebook内承载的所有ACK/NACK信息理解错误,严重影响传输可靠性,为此,提出了本申请实施例的以下技术方案。
图3为本申请实施例提供的反馈信息的确定方法的流程示意图,如图3所示,所述反馈信息的确定方法包括以下步骤:
步骤301:终端根据多个传输资源中每个传输资源的位置确定所述每个传输资源对应的HARQ进程号。
在本申请的一种实施方式中,所述传输资源为SPS资源。例如,所述终端被配置一套或多套SPS传输参数,终端根据所述一套或多套SPS传输参数确定多个SPS资源。相应地,所述多个传输资源被分配给SPS PDSCH。
本申请实施例中,所述终端根据传输资源的时域位置确定所述传输资源对应的HARQ进程号,例如:HARQ进程号可以通过以下公式计算得到:HARQ Process ID=[floor(CURRENT_slot×10/(numberOfSlotsPerFrame×periodicity))]modulo nrofHARQ-Processes,其中,CURRENT_slot=[(SFN×numberOfSlotsPerFrame)+slot number in the frame],numberOfSlotsPerFrame为一个帧中包括的连续的时隙数。
需要说明的是,所述传输资源对应的HARQ进程号是指:所述传输资源上传输的下行数据的HARQ进程号。
步骤302:所述终端根据所述多个传输资源对应的HARQ进程号确定第一反馈信息码本,所述第一反馈信息码本包括所述多个传输资源对应的反馈信息。
本申请实施例中,所述第一反馈信息码本包括多个反馈信息比特位;在所述多个反馈信息比特位中,不同的反馈信息比特位对应不同的HARQ进程号。
本申请实施例中,若所述多个传输资源中的至少两个传输资源对应的HARQ进程号相同,则所述至少两个传输资源在所述第一反馈信息码本中对应相同的反馈信息比特位。如此,可以有效降低上行反馈开销。
以下对如何生成所述第一反馈信息码本,以及所述第一反馈信息码本包含的反馈信息内容分别进行说明。
Figure PCTCN2019085320-appb-000003
第一反馈信息码
第一反馈信息码可以按照如下两种方式中的任意一种方式生成:
方式一:所述多个反馈信息比特位是根据所述多个传输资源对应的HARQ进程号顺序得到的。
进一步,可以根据所述多个传输资源对应的HARQ进程号升序顺序得到多个反馈信息比特位(即得到第一反馈信息码本)。
以图4为例,第一反馈信息码本包括{b1,b3,b4,b5,b6},其中bi是HARQ进程i对应的反馈信息比特位。
方式二:所述多个反馈信息比特位是根据所述多个传输资源的时间顺序得到的。
进一步,若所述多个传输资源中的至少两个传输资源对应的HARQ进程号相同,则所述至少两个传输资源对应的反馈信息比特位在所述第一反馈信息码本中的位置是基于所述至少两个传输资源中的第一个传输资源或最后一个传输资源的时间确定的。
以图4为例,第一反馈信息码本包括{b3,b5,b4,b6,b1}或{b3,b4,b6,b5,b1}。
Figure PCTCN2019085320-appb-000004
反馈信息内容
反馈信息内容的设置具有如下几种情况:
情况一:若所述多个传输资源中存在至少两个传输资源对应的HARQ进程号相同,则所述终端在所述至少两个传输资源上最多只接收一个SPS PDSCH。所述至少两个传输资源对应的反馈信息比特位上设置为:所述终端接收到的SPS PDSCH的反馈信息。
进一步,对应HARQ进程号相同的至少两个传输资源,所述终端在所述至少两个传输资源中的一个传输资源上收到一个SPS PDSCH后,在所述一个传输资源之后的传输资源上不期望接收SPS PDSCH。
以图5为例,终端在资源2(该资源对应进程5)上收到了PDSCH1之后,在后面的同样对应进程5的资源上不(期望)接收PDSCH2。这里的PDSCH1和PDSCH2均是指SPS PDSCH。
情况二:若所述多个传输资源中存在至少两个传输资源对应的HARQ进程号相同,则所述终端在所述至少两个传输资源上接收多个SPS PDSCH,所述至少两个传输资源对应的反馈信息比特位被设置为所述终端接收到的所述多个SPS PDSCH中的一个SPS PDSCH的反馈信息。
进一步,所述多个SPS PDSCH中的一个SPS PDSCH为第一个SPS PDSCH或最后一个SPS PDSCH。此外,所述多个SPS PDSCH中除所述一个SPS PDSCH以外的其他SPS PDSCH无反馈信息。
以图5为例,终端在资源2(该资源对应进程5)上收到了PDSCH1之后,在后面的同样对应进程5的资源上收到PDSCH2,则:1)终端将PDSCH2对应的反馈信息映射在第一反馈信息码本中HARQ进程5对应的反馈信息比特位上,PDSCH 1无反馈信息;或者,2)终端将PDSCH1对应的反馈信息映射在第一反馈信息码本中HARQ进程5对应的反馈信息比特位上,PDSCH 2无反馈信息。具体应用时,URLLC中存在无反馈的需求,即反馈超过时延要求时,传输反馈信息无意义,采用本申请实施例的技术方案可以支持在无反馈之前再次调度同一HARQ进程,可提高传输效率。
在上述技术方案的基础上,所述第一反馈信息码本还包括动态调度PDSCH的反馈信息。其中,动态调度PDSCH的HARQ进程号可以通过调度该PDSCH传输的DCI显示指示。基于此,提出了本申请实施例的以下方案,为便于说明,可以将以下方案称为方案a)。在方案a)中,可以将第一反馈信息码本设计成如下形式:
第一子码本(subcodebook 1),所述第一子码本包括动态调度PDSCH的反馈信 息;
第二子码本(subcodebook 2),所述第二子码本包括所述多个传输资源对应的反馈信息。
上述第一子码本和第二子码本聚合得到所述第一反馈信息码本,其中,第二子码本可以通过前述方案得到,第一子码本根据调度PDSCH的DCI中的DAI信息域确定得到。需要说明的是,第一子码本和第二子码本可以按照任意方式聚合得到所述第一反馈信息码本,例如第一子码本和第二子码本顺序级联的方式得到所述第一反馈信息码本,再例如第一子码本和第二子码本交错排列的方式得到所述第一反馈信息码本。
以下对既包括动态调度PDSCH的反馈信息,又包括所述多个传输资源对应的反馈信息的第一反馈信息码本进行详细说明。
Figure PCTCN2019085320-appb-000005
若所述终端在所述多个传输资源中的第一传输资源上收到一个动态调度PDSCH,则所述第一反馈信息码本包括:
第一子码本,包括所述动态调度PDSCH的反馈信息;
第二子码本,包括所述多个传输资源中除所述第一传输资源之外的传输资源对应的反馈信息。换句话说,所述第二子码本中不包括所述第一传输资源对应的反馈信息比特位。
以图6为例,subcodebook 1包括{a1,a2},其中ai表示动态调度PDSCHi的反馈信息,subcodebook 2包括{b1,b3,b4,b5},其中bi表示通过所述多个传输资源传输的非动态调度的HARQ进程i的反馈信息,将subcodebook 1和subcodebook 2进行级联得到第一反馈信息码本为{a1,a2,b1,b3,b4,b5}。
Figure PCTCN2019085320-appb-000006
若所述终端收到动态调度PDSCH的HARQ进程号为第一进程号,且所述多个传输资源中的至少一个传输资源对应的HARQ进程号为所述第一进程号,则所述第一反馈信息码本包括所述动态调度PDSCH的反馈信息,以及所述多个传输资源中除所述至少一个传输资源之外的传输资源对应的反馈信息。换句话说,所述第一反馈信息码本包括所述动态调度PDSCH的反馈信息,不包括所述至少一个传输资源对应的反馈信息比特位。
所述第一反馈信息码本包括:
第一子码本,包括所述动态调度PDSCH的反馈信息;
第二子码本,包括所述多个传输资源中除所述至少一个传输资源之外的传输资源对应的反馈信息。换句话说,所述第二子码本不包括所述第一进程号关联的反馈信息比特位。
以图7为例,第一个虚线框对应的资源(该资源不属于所述多个传输资源(即SPS传输资源))可用于传输动态调度PDSCH1,动态调度PDSCH1与资源2对应同一个HARQ进程号(即进程4)。subcodebook 1包括{a1,a2},其中ai为动态调度PDSCHi的反馈信息。由于动态调度PDSCH1的HARQ进程号为4,则subcodebook 2包括{b3,b5},其中bi表示通过所述多个传输资源传输的非动态调度的HARQ进程i的反馈信息。将subcodebook 1和subcodebook 2进行级联得到第一反馈信息码本为{a1,a2,b3,b5}。
Figure PCTCN2019085320-appb-000007
若所述终端收到动态调度PDSCH的HARQ进程号为第一进程号,且所述多个传输资源中的至少一个传输资源对应的HARQ进程号为所述第一进程号,则所述终端在所述至少一个传输资源不接收SPS PDSCH。
以图8为例,第一个虚线框对应的资源(该资源不属于所述多个传输资源(即SPS传输资源))可用于传输动态调度PDSCH1,动态调度PDSCH1与资源2对应同 一个HARQ进程号(即进程4),终端在资源2上不(期望)接收SPS PDSCH1。
Figure PCTCN2019085320-appb-000008
若所述终端收到动态调度PDSCH的HARQ进程号为第一进程号,且所述多个传输资源中的至少一个传输资源对应的HARQ进程号为所述第一进程号,所述终端在所述至少一个传输资源上接收至少一个SPS PDSCH,则:
1)所述第一进程号关联的反馈信息比特位上设置为:所述终端接收到的所述动态调度PDSCH和所述至少一个SPS PDSCH中的最后一个PDSCH的反馈信息。
以图9为例,第一个虚线框对应的资源(该资源不属于所述多个传输资源(即SPS传输资源))可用于传输动态调度PDSCH1,动态调度PDSCH1与资源2对应同一个HARQ进程号(即进程4),终端在资源2上接收到SPS PDSCH1,则subcodebook1为{a2},其中ai为动态调度PDSCHi的反馈信息;subcodebook 2为{b3,b4,b5},其中bi表示通过所述多个传输资源传输的非动态调度的HARQ进程i的反馈信息。将subcodebook 1和subcodebook 2进行级联得到第一反馈信息码本为{a2,b3,b4,b5}。
2)所述第一进程号关联的反馈信息比特位上设置为:所述终端接收到的所述动态调度PDSCH的反馈信息。
以图9为例,第一个虚线框对应的资源(该资源不属于所述多个传输资源(即SPS传输资源))可用于传输动态调度PDSCH1,动态调度PDSCH1与资源2对应同一个HARQ进程号(即进程4),终端在资源2上接收到SPS PDSCH1,则subcodebook1为{a1,a2},其中ai为动态调度PDSCHi的反馈信息;subcodebook 2为{b3,b5},其中bi表示通过所述多个传输资源传输的非动态调度的HARQ进程i的反馈信息。将subcodebook 1和subcodebook 2进行级联得到第一反馈信息码本为{a1,a2,b3,b5}。
进一步,在本申请实施例的上述方案a)的基础上,在满足特定条件的情况下,本申请实施例还提供以下方案b),具体地,在方案b)中:
所述第一反馈信息码本包括N个反馈信息比特位,所述N个反馈信息比特位关联N个HARQ进程号,所述N的取值等于所述终端支持的最大HARQ进程数量。即:第一反馈信息码本按照终端支持的最大HARQ进程顺序排列,以终端支持16个HARQ进程为例,则第一反馈信息码本为{b1,b2,……,b16},其中bi为HARQ进程i对应的反馈信息比特位。
上述方案中,所述特定条件包括以下至少之一:
I)所述终端确定至少有一个动态调度PDSCH丢失。
这里,终端可以基于DCI中的DAI信息域来确定动态调度PDSCH的丢失。具体地,动态调度PDSCH丢失意味着对应的DCI未收到,因此终端不知道丢失的动态调度PDSCH的HARQ进程信息,从而会造成基站与终端之间对第一反馈信息码本生成方式理解不一致的情况,为避免这种不一致,约定按照终端支持的最大HARQ进程数来设置第一反馈信息码本。从基站接收行为来说,基站可对第一反馈信息码本进行盲检测,即首先检测按照方案a)的方式生成的第一反馈信息码本,若发现未成功,则检测按照方案b)的方式生成的第一反馈信息码本。由于动态调度PDSCH丢失是一个小概率事件,特别对于URLLC来时概率为10 -6,因此基站执行盲检测的概率也是很低的。
II)所述多个传输资源对应的HARQ进程号涵盖所述N个HARQ进程号。
III)所述多个传输资源的数量大于或等于所述终端支持的最大HARQ进程数量。
图10为本申请实施例提供的反馈信息的确定装置的结构组成示意图,所述反馈信息的确定装置应用于终端中,如图10所示,所述反馈信息的确定装置包括:
第一确定单元1001,用于根据多个传输资源中每个传输资源的位置确定所述每个传输资源对应的HARQ进程号;
第二确定单元1002,用于根据所述多个传输资源对应的HARQ进程号确定第一反馈信息码本,所述第一反馈信息码本包括所述多个传输资源对应的反馈信息。
在一实施方式中,若所述多个传输资源中的至少两个传输资源对应的HARQ进程号相同,则所述至少两个传输资源在所述第一反馈信息码本中对应相同的反馈信息比特位。
在一实施方式中,所述第一反馈信息码本包括多个反馈信息比特位;
在所述多个反馈信息比特位中,不同的反馈信息比特位对应不同的HARQ进程号。
在一实施方式中,所述多个反馈信息比特位是根据所述多个传输资源对应的HARQ进程号顺序得到的。
在一实施方式中,所述多个反馈信息比特位是根据所述多个传输资源的时间顺序得到的。
在一实施方式中,若所述多个传输资源中的至少两个传输资源对应的HARQ进程号相同,则所述至少两个传输资源对应的反馈信息比特位在所述第一反馈信息码本中的位置是基于所述至少两个传输资源中的第一个传输资源或最后一个传输资源的时间确定的。
在一实施方式中,所述多个传输资源被分配给SPS PDSCH。
在一实施方式中,所述装置还包括接收单元1003;
若所述多个传输资源中存在至少两个传输资源对应的HARQ进程号相同,则所述接收单元1003在所述至少两个传输资源上最多只接收一个SPS PDSCH。
在一实施方式中,所述装置还包括接收单元1003;
若所述多个传输资源中存在至少两个传输资源对应的HARQ进程号相同,则所述接收单元1003在所述至少两个传输资源上接收多个SPS PDSCH,所述至少两个传输资源对应的反馈信息比特位被设置为所述终端接收到的所述多个SPS PDSCH中的一个SPS PDSCH的反馈信息。
在一实施方式中,所述多个SPS PDSCH中的一个SPS PDSCH为第一个SPS PDSCH或最后一个SPS PDSCH。
在一实施方式中,所述第一反馈信息码本还包括动态调度PDSCH的反馈信息。
在一实施方式中,所述第一反馈信息码本包括:
第一子码本,所述第一子码本包括动态调度PDSCH的反馈信息;
第二子码本,所述第二子码本包括所述多个传输资源对应的反馈信息。
在一实施方式中,所述装置还包括接收单元1003;
若所述接收单元1003在所述多个传输资源中的第一传输资源上收到一个动态调度PDSCH,则所述第一反馈信息码本包括:
第一子码本,包括所述动态调度PDSCH的反馈信息;
第二子码本,包括所述多个传输资源中除所述第一传输资源之外的传输资源对应的反馈信息。
在一实施方式中,所述装置还包括接收单元1003;
若所述接收单元1003收到动态调度PDSCH的HARQ进程号为第一进程号,且所述多个传输资源中的至少一个传输资源对应的HARQ进程号为所述第一进程号,则所述第一反馈信息码本包括所述动态调度PDSCH的反馈信息,以及所述多个传输资源中除所述至少一个传输资源之外的传输资源对应的反馈信息。
在一实施方式中,所述第一反馈信息码本包括:
第一子码本,包括所述动态调度PDSCH的反馈信息;
第二子码本,包括所述多个传输资源中除所述至少一个传输资源之外的传输资源对应的反馈信息。
在一实施方式中,所述装置还包括接收单元1003;
若所述接收单元1003收到动态调度PDSCH的HARQ进程号为第一进程号,且所述多个传输资源中的至少一个传输资源对应的HARQ进程号为所述第一进程号,则所述终端在所述至少一个传输资源不接收SPS PDSCH。
在一实施方式中,所述装置还包括接收单元1003;
若所述接收单元1003收到动态调度PDSCH的HARQ进程号为第一进程号,且所述多个传输资源中的至少一个传输资源对应的HARQ进程号为所述第一进程号,所述接收单元在所述至少一个传输资源上接收至少一个SPS PDSCH,则:
所述第一进程号关联的反馈信息比特位上设置为:所述终端接收到的所述动态调度PDSCH和所述至少一个SPS PDSCH中的最后一个PDSCH的反馈信息;或者,
所述第一进程号关联的反馈信息比特位上设置为:所述终端接收到的所述动态调度PDSCH的反馈信息。
在一实施方式中,满足特定条件的情况下,所述第一反馈信息码本包括N个反馈信息比特位,所述N个反馈信息比特位关联N个HARQ进程号,所述N的取值等于所述终端支持的最大HARQ进程数量。
在一实施方式中,所述特定条件包括以下至少之一:
所述终端确定至少有一个动态调度PDSCH丢失;
所述多个传输资源对应的HARQ进程号涵盖所述N个HARQ进程号;
所述多个传输资源的数量大于或等于所述终端支持的最大HARQ进程数量。
本领域技术人员应当理解,本申请实施例的上述反馈信息的确定装置的相关描述可以参照本申请实施例的反馈信息的确定方法的相关描述进行理解。
图11是本申请实施例提供的一种通信设备1100示意性结构图。该通信设备可以是终端,图11所示的通信设备1100包括处理器1110,处理器1110可以从存储器中调用并运行计算机程序,以实现本申请实施例中的方法。
可选地,如图11所示,通信设备1100还可以包括存储器1120。其中,处理器1110可以从存储器1120中调用并运行计算机程序,以实现本申请实施例中的方法。
其中,存储器1120可以是独立于处理器1110的一个单独的器件,也可以集成在处理器1110中。
可选地,如图11所示,通信设备1100还可以包括收发器1130,处理器1110可以控制该收发器1130与其他设备进行通信,具体地,可以向其他设备发送信息或数据,或接收其他设备发送的信息或数据。
其中,收发器1130可以包括发射机和接收机。收发器1130还可以进一步包括天线,天线的数量可以为一个或多个。
可选地,该通信设备1100具体可为本申请实施例的网络设备,并且该通信设备1100可以实现本申请实施例的各个方法中由网络设备实现的相应流程,为了简洁,在此不再赘述。
可选地,该通信设备1100具体可为本申请实施例的移动终端/终端,并且该通信设备1100可以实现本申请实施例的各个方法中由移动终端/终端实现的相应流程,为了简洁,在此不再赘述。
图12是本申请实施例的芯片的示意性结构图。图12所示的芯片1200包括处理器 1210,处理器1210可以从存储器中调用并运行计算机程序,以实现本申请实施例中的方法。
可选地,如图12所示,芯片1200还可以包括存储器1220。其中,处理器1210可以从存储器1220中调用并运行计算机程序,以实现本申请实施例中的方法。
其中,存储器1220可以是独立于处理器1210的一个单独的器件,也可以集成在处理器1210中。
可选地,该芯片1200还可以包括输入接口1230。其中,处理器1210可以控制该输入接口1230与其他设备或芯片进行通信,具体地,可以获取其他设备或芯片发送的信息或数据。
可选地,该芯片1200还可以包括输出接口1240。其中,处理器1210可以控制该输出接口1240与其他设备或芯片进行通信,具体地,可以向其他设备或芯片输出信息或数据。
可选地,该芯片可应用于本申请实施例中的网络设备,并且该芯片可以实现本申请实施例的各个方法中由网络设备实现的相应流程,为了简洁,在此不再赘述。
可选地,该芯片可应用于本申请实施例中的移动终端/终端,并且该芯片可以实现本申请实施例的各个方法中由移动终端/终端实现的相应流程,为了简洁,在此不再赘述。
应理解,本申请实施例提到的芯片还可以称为***级芯片,***芯片,芯片***或片上***芯片等。
图13是本申请实施例提供的一种通信***1300的示意性框图。如图13所示,该通信***1300包括终端1310和网络设备1320。
其中,该终端1310可以用于实现上述方法中由终端实现的相应的功能,以及该网络设备1320可以用于实现上述方法中由网络设备实现的相应的功能为了简洁,在此不再赘述。
应理解,本申请实施例的处理器可能是一种集成电路芯片,具有信号的处理能力。在实现过程中,上述方法实施例的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是通用处理器、数字信号处理器(Digital Signal Processor,DSP)、专用集成电路(Application Specific Integrated Circuit,ASIC)、现成可编程门阵列(Field Programmable Gate Array,FPGA)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该处理器也可以是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译码处理器执行完成,或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器,闪存、只读存储器,可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器,处理器读取存储器中的信息,结合其硬件完成上述方法的步骤。
可以理解,本申请实施例中的存储器可以是易失性存储器或非易失性存储器,或可包括易失性和非易失性存储器两者。其中,非易失性存储器可以是只读存储器(Read-Only Memory,ROM)、可编程只读存储器(Programmable ROM,PROM)、可擦除可编程只读存储器(Erasable PROM,EPROM)、电可擦除可编程只读存储器(Electrically EPROM,EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory,RAM),其用作外部高速缓存。通过示例性但不是限制性说明,许多形式的RAM可用,例如静态随机存取存储器(Static RAM,SRAM)、动态随机存取存储器(Dynamic RAM,DRAM)、同步动态随机存取存储器(Synchronous DRAM,SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM,DDR  SDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM,ESDRAM)、同步连接动态随机存取存储器(Synchlink DRAM,SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM,DR RAM)。应注意,本文描述的***和方法的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
应理解,上述存储器为示例性但不是限制性说明,例如,本申请实施例中的存储器还可以是静态随机存取存储器(static RAM,SRAM)、动态随机存取存储器(dynamic RAM,DRAM)、同步动态随机存取存储器(synchronous DRAM,SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM,DDR SDRAM)、增强型同步动态随机存取存储器(enhanced SDRAM,ESDRAM)、同步连接动态随机存取存储器(synch link DRAM,SLDRAM)以及直接内存总线随机存取存储器(Direct Rambus RAM,DR RAM)等等。也就是说,本申请实施例中的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
本申请实施例还提供了一种计算机可读存储介质,用于存储计算机程序。
可选的,该计算机可读存储介质可应用于本申请实施例中的网络设备,并且该计算机程序使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程,为了简洁,在此不再赘述。
可选地,该计算机可读存储介质可应用于本申请实施例中的移动终端/终端,并且该计算机程序使得计算机执行本申请实施例的各个方法中由移动终端/终端实现的相应流程,为了简洁,在此不再赘述。
本申请实施例还提供了一种计算机程序产品,包括计算机程序指令。
可选的,该计算机程序产品可应用于本申请实施例中的网络设备,并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程,为了简洁,在此不再赘述。
可选地,该计算机程序产品可应用于本申请实施例中的移动终端/终端,并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由移动终端/终端实现的相应流程,为了简洁,在此不再赘述。
本申请实施例还提供了一种计算机程序。
可选的,该计算机程序可应用于本申请实施例中的网络设备,当该计算机程序在计算机上运行时,使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程,为了简洁,在此不再赘述。
可选地,该计算机程序可应用于本申请实施例中的移动终端/终端,当该计算机程序在计算机上运行时,使得计算机执行本申请实施例的各个方法中由移动终端/终端实现的相应流程,为了简洁,在此不再赘述。
本领域普通技术人员可以意识到,结合本文中所公开的实施例描述的各示例的单元及算法步骤,能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行,取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到,为描述的方便和简洁,上述描述的***、装置和单元的具体工作过程,可以参考前述方法实施例中的对应过程,在此不再赘述。
在本申请所提供的几个实施例中,应该理解到,所揭露的***、装置和方法,可以通过其它的方式实现。例如,以上所描述的装置实施例仅仅是示意性的,例如,所述单元的划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,例如多个单元或组件可以结合或者可以集成到另一个***,或一些特征可以忽略,或不执行。另一 点,所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口,装置或单元的间接耦合或通信连接,可以是电性,机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外,在本申请各个实施例中的各功能单元可以集成在一个处理单元中,也可以是各个单元单独物理存在,也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时,可以存储在一个计算机可读取存储介质中。基于这样的理解,本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括:U盘、移动硬盘、只读存储器(Read-Only Memory,)ROM、随机存取存储器(Random Access Memory,RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述,仅为本申请的具体实施方式,但本申请的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本申请揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本申请的保护范围之内。因此,本申请的保护范围应所述以权利要求的保护范围为准。

Claims (43)

  1. 一种反馈信息的确定方法,所述方法包括:
    终端根据多个传输资源中每个传输资源的位置确定所述每个传输资源对应的混合自动重传请求HARQ进程号;
    所述终端根据所述多个传输资源对应的HARQ进程号确定第一反馈信息码本,所述第一反馈信息码本包括所述多个传输资源对应的反馈信息。
  2. 根据权利要求1所述的方法,其中,若所述多个传输资源中的至少两个传输资源对应的HARQ进程号相同,则所述至少两个传输资源在所述第一反馈信息码本中对应相同的反馈信息比特位。
  3. 根据权利要求1或2所述的方法,其中,所述第一反馈信息码本包括多个反馈信息比特位;
    在所述多个反馈信息比特位中,不同的反馈信息比特位对应不同的HARQ进程号。
  4. 根据权利要求3所述的方法,其中,所述多个反馈信息比特位是根据所述多个传输资源对应的HARQ进程号顺序得到的。
  5. 根据权利要求3所述的方法,其中,所述多个反馈信息比特位是根据所述多个传输资源的时间顺序得到的。
  6. 根据权利要求5所述的方法,其中,若所述多个传输资源中的至少两个传输资源对应的HARQ进程号相同,则所述至少两个传输资源对应的反馈信息比特位在所述第一反馈信息码本中的位置是基于所述至少两个传输资源中的第一个传输资源或最后一个传输资源的时间确定的。
  7. 根据权利要求1至6中任一项所述的方法,其中,所述多个传输资源被分配给半持续调度SPS物理下行共享信道PDSCH。
  8. 根据权利要求7所述的方法,其中,若所述多个传输资源中存在至少两个传输资源对应的HARQ进程号相同,则所述终端在所述至少两个传输资源上最多只接收一个SPS PDSCH。
  9. 根据权利要求7所述的方法,其中,若所述多个传输资源中存在至少两个传输资源对应的HARQ进程号相同,则所述终端在所述至少两个传输资源上接收多个SPS PDSCH,所述至少两个传输资源对应的反馈信息比特位被设置为所述终端接收到的所述多个SPS PDSCH中的一个SPS PDSCH的反馈信息。
  10. 根据权利要求9所述的方法,其中,所述多个SPS PDSCH中的一个SPS PDSCH为第一个SPS PDSCH或最后一个SPS PDSCH。
  11. 根据权利要求7至10中任一项所述的方法,其中,所述第一反馈信息码本还包括动态调度PDSCH的反馈信息。
  12. 根据权利要求11所述的方法,其中,所述第一反馈信息码本包括:
    第一子码本,所述第一子码本包括动态调度PDSCH的反馈信息;
    第二子码本,所述第二子码本包括所述多个传输资源对应的反馈信息。
  13. 根据权利要求12所述的方法,其中,若所述终端在所述多个传输资源中的第一传输资源上收到一个动态调度PDSCH,则所述第一反馈信息码本包括:
    第一子码本,包括所述动态调度PDSCH的反馈信息;
    第二子码本,包括所述多个传输资源中除所述第一传输资源之外的传输资源对应的反馈信息。
  14. 根据权利要求12所述的方法,其中,若所述终端收到动态调度PDSCH的HARQ进程号为第一进程号,且所述多个传输资源中的至少一个传输资源对应的HARQ进程号为所述第一进程号,则所述第一反馈信息码本包括所述动态调度PDSCH的反馈信息,以及所述多个传输资源中除所述至少一个传输资源之外的传输资源对应的反馈信息。
  15. 根据权利要求14所述的方法,其中,所述第一反馈信息码本包括:
    第一子码本,包括所述动态调度PDSCH的反馈信息;
    第二子码本,包括所述多个传输资源中除所述至少一个传输资源之外的传输资源对应的反馈信息。
  16. 根据权利要求12所述的方法,其中,若所述终端收到动态调度PDSCH的HARQ进程号为第一进程号,且所述多个传输资源中的至少一个传输资源对应的HARQ进程号为所述第一进程号,则所述终端在所述至少一个传输资源不接收SPS PDSCH。
  17. 根据权利要求12所述的方法,其中,若所述终端收到动态调度PDSCH的HARQ进程号为第一进程号,且所述多个传输资源中的至少一个传输资源对应的HARQ进程号为所述第一进程号,所述终端在所述至少一个传输资源上接收至少一个SPS PDSCH,则:
    所述第一进程号关联的反馈信息比特位上设置为:所述终端接收到的所述动态调度PDSCH和所述至少一个SPS PDSCH中的最后一个PDSCH的反馈信息;或者,
    所述第一进程号关联的反馈信息比特位上设置为:所述终端接收到的所述动态调度PDSCH的反馈信息。
  18. 根据权利要求11至17中任一项所述的方法,其中,满足特定条件的情况下,所述第一反馈信息码本包括N个反馈信息比特位,所述N个反馈信息比特位关联N个HARQ进程号,所述N的取值等于所述终端支持的最大HARQ进程数量。
  19. 根据权利要求18所述的方法,其中,所述特定条件包括以下至少之一:
    所述终端确定至少有一个动态调度PDSCH丢失;
    所述多个传输资源对应的HARQ进程号涵盖所述N个HARQ进程号;
    所述多个传输资源的数量大于或等于所述终端支持的最大HARQ进程数量。
  20. 一种反馈信息的确定装置,所述装置包括:
    第一确定单元,用于根据多个传输资源中每个传输资源的位置确定所述每个传输资源对应的HARQ进程号;
    第二确定单元,用于根据所述多个传输资源对应的HARQ进程号确定第一反馈信息码本,所述第一反馈信息码本包括所述多个传输资源对应的反馈信息。
  21. 根据权利要求20所述的装置,其中,若所述多个传输资源中的至少两个传输资源对应的HARQ进程号相同,则所述至少两个传输资源在所述第一反馈信息码本中对应相同的反馈信息比特位。
  22. 根据权利要求20或21所述的装置,其中,所述第一反馈信息码本包括多个反馈信息比特位;
    在所述多个反馈信息比特位中,不同的反馈信息比特位对应不同的HARQ进程号。
  23. 根据权利要求22所述的装置,其中,所述多个反馈信息比特位是根据所述多个传输资源对应的HARQ进程号顺序得到的。
  24. 根据权利要求22所述的装置,其中,所述多个反馈信息比特位是根据所述多个传输资源的时间顺序得到的。
  25. 根据权利要求24所述的装置,其中,若所述多个传输资源中的至少两个传输资源对应的HARQ进程号相同,则所述至少两个传输资源对应的反馈信息比特位在所述第一反馈信息码本中的位置是基于所述至少两个传输资源中的第一个传输资源或最后一个传输资源的时间确定的。
  26. 根据权利要求20至25中任一项所述的装置,其中,所述多个传输资源被分配给SPS PDSCH。
  27. 根据权利要求26所述的装置,其中,所述装置还包括接收单元;
    若所述多个传输资源中存在至少两个传输资源对应的HARQ进程号相同,则所述接收单元在所述至少两个传输资源上最多只接收一个SPS PDSCH。
  28. 根据权利要求26所述的装置,其中,所述装置还包括接收单元;
    若所述多个传输资源中存在至少两个传输资源对应的HARQ进程号相同,则所述接收单元在所述至少两个传输资源上接收多个SPS PDSCH,所述至少两个传输资源对应的反馈信息比特位被设置为所述终端接收到的所述多个SPS PDSCH中的一个SPS PDSCH的反馈信息。
  29. 根据权利要求28所述的装置,其中,所述多个SPS PDSCH中的一个SPS PDSCH为第一个SPS PDSCH或最后一个SPS PDSCH。
  30. 根据权利要求26至29中任一项所述的装置,其中,所述第一反馈信息码本还包括动态调度PDSCH的反馈信息。
  31. 根据权利要求30所述的装置,其中,所述第一反馈信息码本包括:
    第一子码本,所述第一子码本包括动态调度PDSCH的反馈信息;
    第二子码本,所述第二子码本包括所述多个传输资源对应的反馈信息。
  32. 根据权利要求31所述的装置,其中,所述装置还包括接收单元;
    若所述接收单元在所述多个传输资源中的第一传输资源上收到一个动态调度PDSCH,则所述第一反馈信息码本包括:
    第一子码本,包括所述动态调度PDSCH的反馈信息;
    第二子码本,包括所述多个传输资源中除所述第一传输资源之外的传输资源对应的反馈信息。
  33. 根据权利要求30或31所述的装置,其中,所述装置还包括接收单元;
    若所述接收单元收到动态调度PDSCH的HARQ进程号为第一进程号,且所述多个传输资源中的至少一个传输资源对应的HARQ进程号为所述第一进程号,则所述第一反馈信息码本包括所述动态调度PDSCH的反馈信息,以及所述多个传输资源中除所述至少一个传输资源之外的传输资源对应的反馈信息。
  34. 根据权利要求33所述的装置,其中,所述第一反馈信息码本包括:
    第一子码本,包括所述动态调度PDSCH的反馈信息;
    第二子码本,包括所述多个传输资源中除所述至少一个传输资源之外的传输资源对应的反馈信息。
  35. 根据权利要求31所述的装置,其中,所述装置还包括接收单元;
    若所述接收单元收到动态调度PDSCH的HARQ进程号为第一进程号,且所述多个传输资源中的至少一个传输资源对应的HARQ进程号为所述第一进程号,则所述终端在所述至少一个传输资源不接收SPS PDSCH。
  36. 根据权利要求31所述的装置,其中,所述装置还包括接收单元;
    若所述接收单元收到动态调度PDSCH的HARQ进程号为第一进程号,且所述多个传输资源中的至少一个传输资源对应的HARQ进程号为所述第一进程号,所述接收单元在所述至少一个传输资源上接收至少一个SPS PDSCH,则:
    所述第一进程号关联的反馈信息比特位上设置为:所述终端接收到的所述动态调度PDSCH和所述至少一个SPS PDSCH中的最后一个PDSCH的反馈信息;或者,
    所述第一进程号关联的反馈信息比特位上设置为:所述终端接收到的所述动态调度PDSCH的反馈信息。
  37. 根据权利要求30至36中任一项所述的装置,其中,满足特定条件的情况下,所述第一反馈信息码本包括N个反馈信息比特位,所述N个反馈信息比特位关联N个HARQ进程号,所述N的取值等于所述终端支持的最大HARQ进程数量。
  38. 根据权利要求37所述的装置,其中,所述特定条件包括以下至少之一:
    所述终端确定至少有一个动态调度PDSCH丢失;
    所述多个传输资源对应的HARQ进程号涵盖所述N个HARQ进程号;
    所述多个传输资源的数量大于或等于所述终端支持的最大HARQ进程数量。
  39. 一种终端,包括:处理器和存储器,该存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行如权利要求1至19中任一项所述的方法。
  40. 一种装置,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有芯片的设备执行如权利要求1至19中任一项所述的方法。
  41. 一种计算机可读存储介质,用于存储计算机程序,所述计算机程序使得计算机执行如权利要求1至19中任一项所述的方法。
  42. 一种计算机程序产品,包括计算机程序指令,该计算机程序指令使得计算机执行如权利要求1至19中任一项所述的方法。
  43. 一种计算机程序,所述计算机程序使得计算机执行如权利要求1至19中任一项所述的方法。
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