WO2020192516A1 - 下行分配索引确定方法、终端和网络设备 - Google Patents

下行分配索引确定方法、终端和网络设备 Download PDF

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Publication number
WO2020192516A1
WO2020192516A1 PCT/CN2020/079889 CN2020079889W WO2020192516A1 WO 2020192516 A1 WO2020192516 A1 WO 2020192516A1 CN 2020079889 W CN2020079889 W CN 2020079889W WO 2020192516 A1 WO2020192516 A1 WO 2020192516A1
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Prior art keywords
signaling
information
dai
type
identification
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PCT/CN2020/079889
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English (en)
French (fr)
Inventor
沈晓冬
鲁智
李娜
陈晓航
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维沃移动通信有限公司
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Priority to EP20778059.4A priority Critical patent/EP3952182A4/en
Publication of WO2020192516A1 publication Critical patent/WO2020192516A1/zh
Priority to US17/486,511 priority patent/US20220015124A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1273—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
    • 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
    • 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
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H04L1/1819—Hybrid protocols; Hybrid automatic repeat request [HARQ] with retransmission of additional or different redundancy
    • 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
    • H04L1/1858—Transmission or retransmission of more than one copy of acknowledgement message
    • 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
    • H04L1/1864—ARQ related signaling
    • 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
    • H04L1/1887—Scheduling and prioritising arrangements
    • 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
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • 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

Definitions

  • the present disclosure relates to the field of communication technologies, and in particular, to a method for determining a Downlink Assignment Index (DAI), a terminal, and a network device.
  • DAI Downlink Assignment Index
  • the Downlink Assignment Index can indicate the number of signaling sent by the serving cell up to the current subframe.
  • the terminal can find that no signaling is received in time through the value of DAI.
  • DAI can indicate the number of Downlink Control Information (DCI) sent in the Hybrid Automatic Repeat Request (HARQ) feedback window of the serving cell until the current subframe.
  • DCI Downlink Control Information
  • HARQ Hybrid Automatic Repeat Request
  • the terminal is performing enhanced Mobile Broadband (eMBB) While downloading at a high speed, it also receives low-latency services of reliable and low-latency communications (Ultra Reliable Low Latency Communications, URLLC). And the requirements of different services are different, so that multiple services use a unified DAI for counting, which is prone to errors and makes the reliability of signaling transmission relatively poor.
  • eMBB enhanced Mobile Broadband
  • URLLC Ultra Reliable Low Latency Communications
  • the embodiments of the present disclosure provide a DAI determination method, terminal, and network equipment to solve the problem of poor reliability of signaling transmission.
  • embodiments of the present disclosure provide a method for determining DAI, which is applied to a terminal, and includes:
  • DAI identification on the signaling according to the first information, and the DAI identification includes at least one of the following:
  • embodiments of the present disclosure provide a method for determining DAI, which is applied to a network device, and includes:
  • the signaling includes first information
  • the first information is used by the terminal to perform DAI identification on the signaling
  • the DAI identification includes at least one of the following:
  • a terminal including:
  • a receiving module configured to receive signaling, where the signaling includes first information
  • the identification module is configured to perform DAI identification on the signaling according to the first information, and the DAI identification includes at least one of the following:
  • embodiments of the present disclosure provide a network device, including:
  • the sending module is configured to send signaling to a terminal, where the signaling includes first information, and the first information is used by the terminal to perform DAI identification on the signaling, and the DAI identification includes at least one of the following:
  • an embodiment of the present disclosure provides a terminal, including: a memory, a processor, and a program stored on the memory and capable of running on the processor, and the program is executed by the processor to realize this
  • the steps in the method for determining DAI on the terminal side provided by the embodiments are disclosed.
  • embodiments of the present disclosure provide a network device, including: a memory, a processor, and a program stored on the memory and capable of running on the processor, which is implemented when the program is executed by the processor. The steps in the method for determining DAI on the network device side provided by the embodiment of the present disclosure.
  • an embodiment of the present disclosure provides a computer-readable storage medium with a computer program stored on the computer-readable storage medium, and when the computer program is executed by a processor, the terminal-side DAI provided by the embodiment of the present disclosure is implemented.
  • the steps in the method for determining, or when the computer program is executed by the processor, implement the steps in the method for determining DAI on the network device side provided in the embodiments of the present disclosure.
  • the embodiments of the present disclosure can improve the reliability of signaling transmission.
  • FIG. 1 is a structural diagram of a network system applicable to an embodiment of the present disclosure
  • FIG. 2 is a flowchart of a method for determining DAI provided by an embodiment of the present disclosure
  • FIG. 3 is a schematic diagram of a DAI provided by an embodiment of the present disclosure.
  • FIG. 4 is a schematic diagram of another DAI determination method provided by an embodiment of the present disclosure.
  • Figure 5 is a structural diagram of a terminal provided by an embodiment of the present disclosure.
  • Figure 6 is a structural diagram of a network device provided by an embodiment of the present disclosure.
  • Figure 7 is a structural diagram of another terminal provided by an embodiment of the present disclosure.
  • Fig. 8 is a structural diagram of another network device provided by an embodiment of the present disclosure.
  • words such as “exemplary” or “for example” are used as examples, illustrations, or illustrations. Any embodiment or design solution described as “exemplary” or “for example” in the embodiments of the present disclosure should not be construed as being more optional or advantageous than other embodiments or design solutions. To be precise, words such as “exemplary” or “for example” are used to present related concepts in a specific manner.
  • the downlink allocation index determination method, terminal, and network equipment provided by the embodiments of the present disclosure can be applied to a wireless communication system.
  • the wireless communication system may be a 5G system, or an evolved Long Term Evolution (eLTE) system or a Long Term Evolution (LTE) system, or a subsequent evolved communication system.
  • eLTE evolved Long Term Evolution
  • LTE Long Term Evolution
  • FIG. 1 is a structural diagram of a network system applicable to an embodiment of the present disclosure. As shown in FIG. 1, it includes a terminal 11 and a network device 12.
  • the terminal 11 may be a user terminal (User Equipment, UE). ) Or other terminal-side devices, such as: mobile phones, tablet computers (Personal Computer), laptop computers (Laptop Computer), personal digital assistants (personal digital assistant, PDA), mobile Internet devices (Mobile Internet Device, MID),
  • UE User Equipment
  • PDA personal digital assistant
  • mobile Internet devices Mobile Internet Device, MID
  • the above-mentioned network equipment 12 may be a fourth generation (4G) base station, or a 5G base station, or a later version base station, or a base station in other communication systems, or it may be called Node B, Evolved Node B, or transmission and reception Point (Transmission Reception Point, TRP), or Access Point (Access Point, AP), or other vocabulary in the field, as long as the same technical effect is achieved, the network device is not limited to a specific technical vocabulary.
  • the aforementioned network device 12 may be a master node (Master Node, MN) or a secondary node (Secondary Node, SN). It should be noted that, in the embodiments of the present disclosure, only a 5G base station is taken as an example, but the specific type of network equipment is not limited.
  • Figure 2 is a flowchart of a DAI determination method provided by an embodiment of the present disclosure. The method is applied to a terminal, as shown in Figure 2, and includes the following steps:
  • Step 201 Receive signaling, where the signaling includes first information.
  • the above-mentioned signaling may be physical layer signaling or high-level signaling.
  • the above-mentioned signaling is physical downlink control channel (PDCCH) signaling, such as DCI.
  • PDCCH physical downlink control channel
  • the above-mentioned first information may be used to indicate whether the above-mentioned signaling includes DAI, or used to indicate the type of DAI in the above-mentioned signaling.
  • the indication here can be an explicit indication or an implicit indication.
  • Step 202 Perform DAI identification on the signaling according to the first information, and the DAI identification includes at least one of the following:
  • the foregoing determination of whether the signaling includes DAI may be to determine whether the foregoing signaling includes DAI, because, in the embodiment of the present disclosure, the foregoing signaling may include or not include DAI to adapt to multi-service, multi-scenario, etc. demand.
  • the above identification of the type of DAI in the signaling may be, in the case that the above signaling includes DAI, identifying the type of DAI, so as to support the configuration of different DAIs for different types.
  • the type of DAI may be the service type, signaling type, identification type, control channel configuration type, service priority type, resource type, modulation and coding strategy (Modulation and Coding Scheme, MCS) type corresponding to DAI Or codebook type, etc.
  • MCS Modulation and Coding Scheme
  • the above identification of the type of DAI in the signaling may be, in the case that the above signaling includes DAI by default, the identification of the type of DAI in the signaling, or it may be determined by the above steps When the above signaling includes DAI, the type of DAI in the signaling is identified.
  • the above steps can be implemented to determine whether the signaling includes DAI according to the above first information, so as to support whether the above signaling includes or not include DAI, that is, the above signaling can be flexibly configured Including or not including DAI, for example, some services are not configured with DAI, while other services are configured with DAI, so as to avoid errors caused by the confusion of different services sharing the same DAI, and to improve the reliability of signaling transmission.
  • the type of DAI in the signaling can be identified according to the above first information, so as to support the independent configuration of corresponding DAI for different types, thereby avoiding the confusion of different types sharing the same DAI. Error to improve the reliability of signaling transmission.
  • the signaling when the signaling is the signaling of the first service, the signaling includes DAI; or
  • the signaling is the signaling of the second service
  • the signaling does not include DAI.
  • first service and second service may be two concurrent services, of course, they may also be two non-concurrent services.
  • the foregoing first service and second service may be services of two different service types, such as URLLC and eMBB; or, the foregoing first service and second service may be services of two different signaling formats; or, the foregoing The first service and the second service may be services with two different control channel configurations; or, the first service and the second service may be services of two different priorities; or, the first service and the second service may be Two services with different transmission resources; or, the above-mentioned first service and the second service may be services of two different pilot mapping types; or, the above-mentioned first service and the second service may be services with two different MCS configurations; Alternatively, the foregoing first service and second service may be two different hybrid automatic repeat request acknowledgement codebook (Hybrid-Automatic Repeat request Acknowledgement codebook, HARQ-ACK codebook) services.
  • Hybrid-Automatic Repeat request Acknowledgement codebook Hybrid-Automatic Repeat request Acknowledgement codebook, HARQ-ACK codebook
  • 5G mobile communication systems need to adapt to more diverse scenarios and business needs.
  • the main scenarios of 5G may include: eMBB, URLLC, and Massive Machine Type Communication (mMTC). These scenarios place requirements on the system for high reliability, low latency, large bandwidth, and wide coverage. And these different services may have different quality of service (QoS) requirements.
  • URLLC supports low-latency and high-reliability services.
  • CSI channel state information
  • eMBB services support high throughput requirements, but are not as sensitive to delay and reliability as URLLC services.
  • some terminals may support services with different numerical configurations (numerology).
  • the terminals not only support URLLC low-latency and high-reliability services, but also support large-capacity and high-rate eMBB services.
  • eMBB services because the reliability of eMBB services is relatively low, it is necessary to include the DAI field in the PDCCH for scheduling eMBB services; but the reliability of URLLC services is relatively high, so that the DAI field may not be included in the PDCCH for scheduling URLLC services, saving DCI overhead , Improve the performance of receiving control signaling.
  • the DAI mechanism can ensure that the terminal can discover in time when it misses and does not receive the PDCCH.
  • the type of DAI corresponds to the type of signaling.
  • the type of the above-mentioned signaling may be: service type, format type, identification type, control channel configuration type, service priority type, resource type, MCS type or HARQ-ACK codebook type and other types.
  • the correspondence between the type of DAI and the type of signaling may be that the type of DAI matches or is the same as the type of signaling.
  • the service priority type of the above signaling is priority 1, and the type of the above DAI is priority 1, that is, the DAI is used to count the signaling of priority 1;
  • the format type of the above signaling is Signaling format 1, then the type of the above DAI is signaling format 1, that is, the DAI is used to count the signaling of signaling format 1.
  • the above signaling is the signaling of service type 1, then the above DAI is The type is service type 1, that is, the DAI is used to count the signaling of service type 1, etc., which are not listed here.
  • independent DAI can be configured for different types, so that each type of signaling is counted separately to further improve the reliability of the above signaling transmission.
  • eMBB The service adopts independent DAI_1 counting, and the independent DAI_2 counting for URLLC service, so that the terminal can find the missing eMBB service and URLLC service signaling in time.
  • an independent counter (counter DAI) counting function can be used for the scheduled PDCCHs carrying different services to independently calculate the number of PDCCHs.
  • the foregoing first information includes at least one of the following:
  • Signaling format information identification information, control channel configuration information, priority information, resource indication information, modulation and coding information, and feedback confirmation information.
  • independent DAI can be configured for different signaling formats, or the aforementioned signaling can be configured to include or not include DAI for different signaling formats;
  • the aforementioned signaling format information is used to indicate the format of the aforementioned signaling, for example, the DCI format.
  • the foregoing control channel configuration information may include at least one of the following:
  • the control resource set (CORESET) information of the signaling and the search space information of the signaling are defined by the control resource set (CORESET) information of the signaling and the search space information of the signaling.
  • the CORESET information of the above signaling is used to indicate the CORESET corresponding to the signaling
  • the search space information of the above signaling is used to indicate the search space corresponding to the signaling.
  • the foregoing identification information may include at least one of the following: a radio network temporary identifier (RNTI) of the signaling and scrambling information of the signaling.
  • RNTI radio network temporary identifier
  • the RNTI of the above signaling may be the RNTI corresponding to the signaling, and the scrambling information of the signaling may be the scrambling information corresponding to the signaling.
  • the above-mentioned priority indication information may indicate the service priority corresponding to the above-mentioned signaling
  • the above-mentioned service type indication information may indicate the service type corresponding to the above-mentioned signaling.
  • the foregoing feedback confirmation information includes: type information of the HARQ-ACK codebook corresponding to the signaling.
  • the above modulation and coding information may be the MCS table corresponding to the above signaling, or index information of the MCS table, etc.
  • the foregoing resource indication information may include at least one of the following:
  • Resource indication information used to indicate transmission resources of data or control information
  • Indication information used to indicate pilot mapping type information for data or control information transmission.
  • the foregoing transmission resource may be at least one of a time domain resource and a frequency domain resource.
  • the foregoing first information may include one or more items in the following table:
  • the relationship between each type of first information and whether the above-mentioned signaling includes DAI can be pre-configured, so that the terminal can accurately determine whether the above-mentioned signaling includes DAI according to the first information.
  • the network can configure in advance whether DAI information needs to be carried in the PDCCH for each service through high-level signaling or other signaling.
  • the DAI type corresponding to each type of first information may be pre-configured, for example: the HARQ-ACK codebook or service corresponding to the corresponding DAI under each type of first information is pre-configured.
  • the determining whether the signaling includes DAI includes:
  • the above-mentioned first configuration information may be pre-configured by the terminal, or pre-configured by the network for the terminal, or agreed in the protocol.
  • the foregoing configuration of the relationship between the first information and whether the signaling includes the DAI may be indicating the corresponding first information when the signaling includes DAI, and indicating the corresponding first information when the signaling does not include DAI. information.
  • the foregoing identifying the type of DAI in the signaling includes:
  • the HARQ-ACK codebook corresponding to the DAI may be the HARQ-ACK codebook to which DAI belongs, and the service corresponding to the DAI may be the service to which DAI belongs. Thereby, it is possible to determine which HARQ-ACK codebook or which service the DAI belongs to.
  • independent DAI counting can be configured for different HARQ-ACK codebooks or services, that is, counter DAI is counted separately according to each service or HARQ-ACK codebook, so as to further improve the reliability of signaling transmission.
  • the HARQ-ACK process of transport block-level (TB-level) feedback can be supported.
  • each TB corresponds to the feedback of one HARQ-ACK bit, which supports multiple data transmission for each terminal.
  • Each DL HARQ process also supports a single DL HARQ process for each terminal.
  • the terminal can indicate its minimum HARQ processing time capability.
  • the minimum HARQ processing time means receiving the corresponding HARQ-ACK from the Downlink data.
  • the minimum time required for transmission timing For eMBB and URLLC, asynchronous and adaptive Downlink HARQ can be supported.
  • the HARQ-ACK feedback of multiple PDSCHs can be transmitted in one UL data/control area in time, and a HARQ-ACK codebook is formed on this UL.
  • the timing between PDSCH reception and the corresponding ACK/NACK may be specified in the DCI.
  • the timing refer to the PDCSCH-to-HARQ timing indicator in DCI 1_0 and DCI 1_1.
  • the identifying the type of DAI in the signaling includes:
  • the foregoing configuration of the relationship between the first information and the type of DAI may be to indicate the type of DAI corresponding to each type of first information. For example, indicate the HARQ-ACK codebook or service corresponding to the DAI under each type of first information, so as to dynamically determine which HARQ-ACK codebook or service the DAI belongs to based on the second configuration information and the first information.
  • the type of DAI can be accurately determined according to the foregoing second configuration information.
  • the reliability of signaling transmission can be improved through the above DAI determination method.
  • the future 5G system there are scenarios where multiple services are concurrent.
  • the user is downloading eMBB at a high speed and receiving URLLC low-latency services.
  • the reliability and timing of PDCCHs used for scheduling different types of services are not the same.
  • the Counter DAI field can be configured separately according to the characteristics of each service, and the counter DAI can be counted separately according to each service or HARQ-ACK codebook, so as to ensure that PDCCH reception meets different reliability requirements according to different services.
  • FIG. 4 is a flowchart of another DAI determination method provided by an embodiment of the present disclosure. The method is applied to a network device, as shown in FIG. 4, and includes the following steps:
  • Step 401 Send signaling to a terminal, where the signaling includes first information, and the first information is used by the terminal to perform DAI identification on the signaling, and the DAI identification includes at least one of the following:
  • the signaling when the signaling is signaling of the first service, the signaling includes DAI; or
  • the signaling is the signaling of the second service
  • the signaling does not include DAI.
  • the type of DAI corresponds to the type of signaling.
  • the first information includes at least one of the following:
  • Signaling format information identification information, control channel configuration information, priority information, resource indication information, modulation and coding information, and feedback confirmation information.
  • control channel configuration information includes at least one of the following:
  • the CORESET information of the signaling and the search space information of the signaling are the CORESET information of the signaling and the search space information of the signaling.
  • the identification information includes at least one of the following: RNTI of the signaling and scrambling information of the signaling.
  • the priority information includes at least one of the following:
  • the feedback confirmation information includes: type information of the HARQ-ACK codebook corresponding to the signaling.
  • the resource indication information includes at least one of the following:
  • Resource indication information used to indicate transmission resources of data or control information
  • Indication information used to indicate pilot mapping type information for data or control information transmission.
  • the identifying the type of DAI in the signaling includes:
  • the signaling is physical layer signaling or higher layer signaling.
  • this embodiment is used as an implementation on the network device side corresponding to the embodiment shown in FIG. 2.
  • the reliability of signaling transmission can also be improved.
  • FIG. 5 is a structural diagram of a terminal provided by an embodiment of the present disclosure. As shown in FIG. 5, the terminal 500 includes:
  • the receiving module 501 is configured to receive signaling, where the signaling includes first information
  • the identification module 502 is configured to perform DAI identification on the signaling according to the first information, and the DAI identification includes at least one of the following:
  • the signaling when the signaling is signaling of the first service, the signaling includes DAI; or
  • the signaling is the signaling of the second service
  • the signaling does not include DAI.
  • the type of DAI corresponds to the type of signaling.
  • the first information includes at least one of the following:
  • Signaling format information identification information, control channel configuration information, priority information, resource indication information, modulation and coding information, and feedback confirmation information.
  • control channel configuration information includes at least one of the following:
  • the CORESET information of the control resource set of the signaling and the search space information of the signaling are provided.
  • the identification information includes at least one of the following: RNTI of the signaling and scrambling information of the signaling.
  • the priority information includes at least one of the following:
  • the feedback confirmation information includes: type information of the HARQ-ACK codebook corresponding to the signaling.
  • the resource indication information includes at least one of the following:
  • Resource indication information used to indicate transmission resources of data or control information
  • Indication information used to indicate pilot mapping type information for data or control information transmission.
  • the determining whether the signaling includes DAI includes:
  • the identifying the type of DAI in the signaling includes:
  • the identifying the type of DAI in the signaling includes:
  • the signaling is physical layer signaling or higher layer signaling.
  • the terminal provided in the embodiment of the present disclosure can implement each process implemented by the terminal in the method embodiment of FIG. 2. To avoid repetition, details are not described here, and the reliability of signaling transmission can be improved.
  • FIG. 6 is a structural diagram of a network device provided by an embodiment of the present disclosure. As shown in FIG. 6, the network device 600 includes:
  • the sending module 601 is configured to send signaling to a terminal, where the signaling includes first information, and the first information is used by the terminal to perform DAI identification on the signaling, and the DAI identification includes at least one of the following:
  • the signaling when the signaling is signaling of the first service, the signaling includes DAI; or
  • the signaling is the signaling of the second service
  • the signaling does not include DAI.
  • the type of DAI corresponds to the type of signaling.
  • the first information includes at least one of the following:
  • Signaling format information identification information, control channel configuration information, priority information, resource indication information, modulation and coding information, and feedback confirmation information.
  • control channel configuration information includes at least one of the following:
  • the CORESET information of the signaling and the search space information of the signaling are the CORESET information of the signaling and the search space information of the signaling.
  • the identification information includes at least one of the following: RNTI of the signaling and scrambling information of the signaling.
  • the priority information includes at least one of the following:
  • the feedback confirmation information includes: type information of the HARQ-ACK codebook corresponding to the signaling.
  • the resource indication information includes at least one of the following:
  • Resource indication information used to indicate transmission resources of data or control information
  • Indication information used to indicate pilot mapping type information for data or control information transmission.
  • the identifying the type of DAI in the signaling includes:
  • the signaling is physical layer signaling or higher layer signaling.
  • the network device provided by the embodiment of the present disclosure can implement each process implemented by the terminal in the method embodiment of FIG. 4. In order to avoid repetition, it will not be repeated here, and the reliability of signaling transmission can be improved.
  • FIG. 7 is a schematic diagram of a hardware structure of a terminal that implements various embodiments of the present disclosure.
  • the terminal 700 includes but is not limited to: a radio frequency unit 701, a network module 702, an audio output unit 703, an input unit 704, a sensor 705, a display unit 706, a user input unit 707, an interface unit 708, a memory 709, a processor 710, and a power supply 711 and other components.
  • a radio frequency unit 701 includes but is not limited to: a radio frequency unit 701, a network module 702, an audio output unit 703, an input unit 704, a sensor 705, a display unit 706, a user input unit 707, an interface unit 708, a memory 709, a processor 710, and a power supply 711 and other components.
  • terminal structure shown in FIG. 7 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than those shown in the figure, or combine certain components, or arrange different components.
  • terminals include but are not limited to mobile phones, tablet computers, notebook computers, palmtop computers, vehicle-mounted terminals, robots, wearable devices, and pedometer
  • the radio frequency unit 701 is configured to receive signaling, where the signaling includes first information
  • the processor 710 is configured to perform DAI identification on the signaling according to the first information, and the DAI identification includes at least one of the following:
  • the signaling when the signaling is signaling of the first service, the signaling includes DAI; or
  • the signaling is the signaling of the second service
  • the signaling does not include DAI.
  • the type of DAI corresponds to the type of signaling.
  • the first information includes at least one of the following:
  • Signaling format information identification information, control channel configuration information, priority information, resource indication information, modulation and coding information, and feedback confirmation information.
  • control channel configuration information includes at least one of the following:
  • the CORESET information of the signaling and the search space information of the signaling are the CORESET information of the signaling and the search space information of the signaling.
  • the identification information includes at least one of the following: a radio network temporary identification RNTI of the signaling and scrambling information of the signaling.
  • the priority information includes at least one of the following:
  • the feedback confirmation information includes: type information of the HARQ-ACK codebook corresponding to the signaling.
  • the resource indication information includes at least one of the following:
  • Resource indication information used to indicate transmission resources of data or control information
  • Indication information used to indicate pilot mapping type information for data or control information transmission.
  • the determining whether the signaling includes DAI includes:
  • the identifying the type of DAI in the signaling includes:
  • the identifying the type of DAI in the signaling includes:
  • the signaling is physical layer signaling or higher layer signaling.
  • the above terminal can improve the reliability of signaling transmission.
  • the radio frequency unit 701 can be used for receiving and sending signals in the process of sending and receiving information or talking. Specifically, the downlink data from the base station is received and processed by the processor 710; in addition, Uplink data is sent to the base station.
  • the radio frequency unit 701 includes but is not limited to an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the radio frequency unit 701 can also communicate with the network and other devices through a wireless communication system.
  • the terminal provides users with wireless broadband Internet access through the network module 702, such as helping users to send and receive emails, browse web pages, and access streaming media.
  • the audio output unit 703 may convert the audio data received by the radio frequency unit 701 or the network module 702 or stored in the memory 709 into audio signals and output them as sounds. Moreover, the audio output unit 703 may also provide audio output related to a specific function performed by the terminal 700 (for example, call signal reception sound, message reception sound, etc.).
  • the audio output unit 703 includes a speaker, a buzzer, a receiver, and the like.
  • the input unit 704 is used to receive audio or video signals.
  • the input unit 704 may include a graphics processing unit (GPU) 7041 and a microphone 7042.
  • the graphics processor 7041 is used for the image of a still picture or video obtained by an image capture device (such as a camera) in the video capture mode or the image capture mode. Data is processed.
  • the processed image frame may be displayed on the display unit 706.
  • the image frame processed by the graphics processor 7041 may be stored in the memory 709 (or other storage medium) or sent via the radio frequency unit 701 or the network module 702.
  • the microphone 7042 can receive sound, and can process such sound into audio data.
  • the processed audio data can be converted into a format that can be sent to the mobile communication base station via the radio frequency unit 701 for output in the case of a telephone call mode.
  • the terminal 700 further includes at least one sensor 705, such as a light sensor, a motion sensor, and other sensors.
  • the light sensor includes an ambient light sensor and a proximity sensor.
  • the ambient light sensor can adjust the brightness of the display panel 7061 according to the brightness of the ambient light.
  • the proximity sensor can close the display panel 7061 and/or when the terminal 700 is moved to the ear. Or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in various directions (usually three-axis), and can detect the magnitude and direction of gravity when stationary, and can be used to identify terminal posture (such as horizontal and vertical screen switching, related games, Magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tap), etc.; sensor 705 can also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared Sensors, etc., will not be repeated here.
  • the display unit 706 is used to display information input by the user or information provided to the user.
  • the display unit 706 may include a display panel 7061, and the display panel 7061 may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), etc.
  • LCD liquid crystal display
  • OLED organic light-emitting diode
  • the user input unit 707 may be used to receive inputted numeric or character information, and generate key signal input related to user settings and function control of the terminal.
  • the user input unit 707 includes a touch panel 7071 and other input devices 7072.
  • the touch panel 7071 also called a touch screen, can collect user touch operations on or near it (for example, the user uses any suitable objects or accessories such as fingers, stylus, etc.) on the touch panel 7071 or near the touch panel 7071. operating).
  • the touch panel 7071 may include two parts: a touch detection device and a touch controller.
  • the touch detection device detects the user's touch position, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it To the processor 710, the command sent by the processor 710 is received and executed.
  • the touch panel 7071 can be implemented in multiple types such as resistive, capacitive, infrared, and surface acoustic wave.
  • the user input unit 707 may also include other input devices 7072.
  • other input devices 7072 may include, but are not limited to, a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackball, mouse, and joystick, which will not be repeated here.
  • the touch panel 7071 can be overlaid on the display panel 7061.
  • the touch panel 7071 detects a touch operation on or near it, it transmits it to the processor 710 to determine the type of the touch event.
  • the type of event provides corresponding visual output on the display panel 7061.
  • the touch panel 7071 and the display panel 7061 are used as two independent components to realize the input and output functions of the terminal, in some embodiments, the touch panel 7071 and the display panel 7061 can be integrated. Realize the input and output functions of the terminal, which are not limited here.
  • the interface unit 708 is an interface for connecting an external device and the terminal 700.
  • the external device may include a wired or wireless headset port, an external power source (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, audio input/output (input/output, I/O) port, video I/O port, headphone port, etc.
  • the interface unit 708 may be used to receive input (for example, data information, power, etc.) from an external device and transmit the received input to one or more elements in the terminal 700 or may be used to communicate between the terminal 700 and the external device. Transfer data between.
  • the memory 709 can be used to store software programs and various data.
  • the memory 709 may mainly include a program storage area and a data storage area.
  • the program storage area may store an operating system, an application program required by at least one function (such as a sound playback function, an image playback function, etc.), etc.; Data (such as audio data, phone book, etc.) created by the use of mobile phones.
  • the memory 709 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices.
  • the processor 710 is the control center of the terminal. It uses various interfaces and lines to connect various parts of the entire terminal. It executes by running or executing software programs and/or modules stored in the memory 709, and calling data stored in the memory 709. Various functions of the terminal and processing data, so as to monitor the terminal as a whole.
  • the processor 710 may include one or more processing units; optionally, the processor 710 may integrate an application processor and a modem processor, where the application processor mainly processes the operating system, user interface, and application programs.
  • the adjustment processor mainly deals with wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 710.
  • the terminal 700 may also include a power source 711 (such as a battery) for supplying power to various components.
  • a power source 711 such as a battery
  • the power source 711 may be logically connected to the processor 710 through a power management system, so as to manage charging, discharging, and power consumption management through the power management system. And other functions.
  • the terminal 700 includes some functional modules not shown, which will not be repeated here.
  • an embodiment of the present disclosure further provides a terminal, including a processor 710, a memory 709, a computer program stored on the memory 709 and running on the processor 710, when the computer program is executed by the processor 710
  • a terminal including a processor 710, a memory 709, a computer program stored on the memory 709 and running on the processor 710, when the computer program is executed by the processor 710
  • FIG. 8 is a structural diagram of another network device provided by an embodiment of the present disclosure.
  • the network device 800 includes: a processor 801, a transceiver 802, a memory 803, and a bus interface, where:
  • the transceiver 802 is configured to send signaling to a terminal, where the signaling includes first information, and the first information is used by the terminal to perform DAI identification on the signaling, and the DAI identification includes at least one of the following:
  • the signaling when the signaling is signaling of the first service, the signaling includes DAI; or
  • the signaling is the signaling of the second service
  • the signaling does not include DAI.
  • the type of DAI corresponds to the type of signaling.
  • the first information includes at least one of the following:
  • Signaling format information identification information, control channel configuration information, priority information, resource indication information, modulation and coding information, and feedback confirmation information.
  • control channel configuration information includes at least one of the following:
  • the CORESET information of the signaling and the search space information of the signaling are the CORESET information of the signaling and the search space information of the signaling.
  • the identification information includes at least one of the following: RNTI of the signaling and scrambling information of the signaling.
  • the priority information includes at least one of the following:
  • the feedback confirmation information includes: type information of the HARQ-ACK codebook corresponding to the signaling.
  • the resource indication information includes at least one of the following:
  • Resource indication information used to indicate transmission resources of data or control information
  • Indication information used to indicate pilot mapping type information for data or control information transmission.
  • the identifying the type of DAI in the signaling includes:
  • the signaling is physical layer signaling or higher layer signaling.
  • the foregoing network equipment can improve the reliability of signaling transmission.
  • the transceiver 802 is configured to receive and send data under the control of the processor 801, and the transceiver 802 includes at least two antenna ports.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 801 and various circuits of the memory represented by the memory 803 are linked together.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein.
  • the bus interface provides the interface.
  • the transceiver 802 may be a plurality of elements, that is, including a transmitter and a receiver, and provide a unit for communicating with various other devices on the transmission medium.
  • the user interface 804 may also be an interface capable of connecting externally and internally with the required equipment.
  • the connected equipment includes but not limited to a keypad, a display, a speaker, a microphone, a joystick, etc.
  • the processor 801 is responsible for managing the bus architecture and general processing, and the memory 803 can store data used by the processor 801 when performing operations.
  • the embodiment of the present disclosure also provides a network device, including a processor 801, a memory 803, a computer program stored in the memory 803 and running on the processor 801, and the computer program is executed by the processor 801
  • a network device including a processor 801, a memory 803, a computer program stored in the memory 803 and running on the processor 801, and the computer program is executed by the processor 801
  • the embodiment of the present disclosure also provides a computer-readable storage medium on which a computer program is stored.
  • the computer program is executed by a processor, the method for determining DAI on the terminal side provided by the embodiment of the present disclosure is implemented, or the When the computer program is executed by the processor, the method for determining the DAI on the network device side provided by the embodiment of the present disclosure is realized, and the same technical effect can be achieved. In order to avoid repetition, details are not repeated here.
  • the computer-readable storage medium such as read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
  • the technical solution of the present disclosure essentially or the part that contributes to the related technology can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk).
  • a terminal which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.
  • the disclosed 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.
  • the functional units in the various embodiments of the present disclosure 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 computer software product is stored in a storage medium and includes several instructions to make a A computer device (which may be a personal computer, a server, or a network device, etc.) executes all or part of the steps of the methods described in the various embodiments of the present disclosure.
  • the aforementioned storage media include: U disk, mobile hard disk, ROM, RAM, magnetic disk or optical disk and other media that can store program codes.
  • the program can be stored in a computer readable storage medium. When executed, it may include the processes of the above-mentioned method embodiments.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM), or a random access memory (Random Access Memory, RAM), etc.
  • modules, units, and sub-units can be implemented in one or more Application Specific Integrated Circuits (ASIC), Digital Signal Processor (DSP), Digital Signal Processing Device (DSP Device, DSPD) ), Programmable Logic Device (PLD), Field-Programmable Gate Array (FPGA), general-purpose processors, controllers, microcontrollers, microprocessors, used to implement Other electronic units or combinations of the functions described above.
  • ASIC Application Specific Integrated Circuits
  • DSP Digital Signal Processor
  • DSP Device Digital Signal Processing Device
  • DSPD Digital Signal Processing Device
  • PLD Programmable Logic Device
  • FPGA Field-Programmable Gate Array
  • the technology described in the embodiments of the present disclosure can be implemented through modules (for example, procedures, functions, etc.) that perform the functions described in the embodiments of the present disclosure.
  • the software codes can be stored in the memory and executed by the processor.
  • the memory can be implemented in the processor or external to the processor.

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Abstract

本公开实施例提供一种下行分配索引确定方法、终端和网络设备，该方法包括：接收信令，所述信令包括第一信息；依据所述第一信息，对所述信令进行DAI识别，所述DAI识别包括如下至少一项：确定所述信令是否包含DAI；识别所述信令中的DAI的类型。

Description

下行分配索引确定方法、终端和网络设备
相关申请的交叉引用
本申请主张在2019年3月28日在中国提交的中国专利申请号No.201910245274.X的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及通信技术领域，尤其涉及一种下行分配索引(Downlink Assignment Index，DAI)确定方法、终端和网络设备。
背景技术
在移动通信系统中，下行分配索引(Downlink Assignment Index，DAI)可以指示到当前子帧为止，服务小区发送的信令个数。终端通过DAI取值可以及时发现未接收到信令。例如：DAI可以指示到当前子帧为止，服务小区的混合自动重传请求(Hybrid Automatic Repeat Request，HARQ)反馈窗口内发送的下行控制信息(Downlink Control Information，DCI)个数。终端通过DAI取值可以及时发现未接收到DCI。
然而，在一些移动通信系统(例如：第五代(the fifth generation，5G)移动通信系统)存在多种业务同时并发的场景，例如：终端在进行增强型移动宽带(Enhanced Mobile Broadband，eMBB)的高速下载的同时，又接收可靠低时延通信(Ultra Reliable Low Latency Communications，URLLC)的低时延业务。且不同的业务的要求是不同的，这样多种业务采用统一的DAI进行计数，从而容易出错，使得信令传输的可靠性比较差。
发明内容
本公开实施例提供一种DAI确定方法、终端和网络设备，以解决信令传输的可靠性比较差的问题。
第一方面，本公开实施例提供一种DAI确定方法，应用于终端，包括：
接收信令，所述信令包括第一信息；
依据所述第一信息，对所述信令进行DAI识别，所述DAI识别包括如下至少一项：
确定所述信令是否包含DAI；
识别所述信令中的DAI的类型。
第二方面，本公开实施例提供一种DAI确定方法，应用于网络设备，包括：
向终端发送信令，所述信令包括第一信息，所述第一信息用于所述终端对所述信令进行DAI识别，所述DAI识别包括如下至少一项：
确定所述信令是否包含DAI；
识别所述信令中的DAI的类型。
第三方面，本公开实施例提供一种终端，包括：
接收模块，用于接收信令，所述信令包括第一信息；
识别模块，用于依据所述第一信息，对所述信令进行DAI识别，所述DAI识别包括如下至少一项：
确定所述信令是否包含DAI；
识别所述信令中的DAI的类型。
第三方面，本公开实施例提供一种网络设备，包括：
发送模块，用于向终端发送信令，所述信令包括第一信息，所述第一信息用于所述终端对所述信令进行DAI识别，所述DAI识别包括如下至少一项：
确定所述信令是否包含DAI；
识别所述信令中的DAI的类型。
第四方面，本公开实施例提供一种终端，包括：存储器、处理器及存储在所述存储器上并可在所述处理器上运行的程序，所述程序被所述处理器执行时实现本公开实施例提供的终端侧的DAI确定方法中的步骤。
第五方面，本公开实施例提供一种网络设备，包括：存储器、处理器及存储在所述存储器上并可在所述处理器上运行的程序，所述程序被所述处理器执行时实现本公开实施例提供的网络设备侧的DAI确定方法中的步骤。
第六方面，本公开实施例提供一种计算机可读存储介质，所述计算机可读存储介质上存储有计算机程序，所述计算机程序被处理器执行时实现本公 开实施例提供的终端侧的DAI确定方法中的步骤，或者，所述计算机程序被处理器执行时实现本公开实施例提供的网络设备侧的DAI确定方法中的步骤。
本公开实施例，可以提高信令传输的可靠性。
附图说明
图1是本公开实施例可应用的一种网络系统的结构图；
图2是本公开实施例提供的一种DAI确定方法的流程图；
图3是本公开实施例提供的一种DAI的示意图；
图4是本公开实施例提供的另一种DAI确定方法的示意图；
图5是本公开实施例提供的一种终端的结构图；
图6是本公开实施例提供的一种网络设备的结构图；
图7是本公开实施例提供的另一种终端的结构图；
图8是本公开实施例提供的另一种网络设备的结构图。
具体实施方式
下面将结合本公开实施例中的附图，对本公开实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本公开一部分实施例，而不是全部的实施例。基于本公开中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本公开保护的范围。
本申请的说明书和权利要求书中的术语“包括”以及它的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。此外，说明书以及权利要求中使用“和/或”表示所连接对象的至少其中之一，例如A和/或B，表示包含单独A，单独B，以及A和B都存在三种情况。
在本公开实施例中，“示例性的”或者“例如”等词用于表示作例子、例证或说明。本公开实施例中被描述为“示例性的”或者“例如”的任何实施例或设计方案不应被解释为比其它实施例或设计方案更可选或更具优势。确切而言，使用“示例性的”或者“例如”等词旨在以具体方式呈现相关概念。
下面结合附图介绍本公开的实施例。本公开实施例提供的下行分配索引确定方法、终端和网络设备可以应用于无线通信系统中。该无线通信系统可以为5G系统，或者演进型长期演进(Evolved Long Term Evolution，eLTE)系统或者长期演进(Long Term Evolution，LTE)系统，或者后续演进通信系统等。
请参见图1，图1是本公开实施例可应用的一种网络系统的结构图，如图1所示，包括终端11和网络设备12，其中，终端11可以是用户终端(User Equipment，UE)或者其他终端侧设备，例如：手机、平板电脑(Tablet Personal Computer)、膝上型电脑(Laptop Computer)、个人数字助理(personal digital assistant，PDA)、移动上网装置(Mobile Internet Device，MID)、可穿戴式设备(Wearable Device)或者机器人等终端侧设备，需要说明的是，在本公开实施例中并不限定终端11的具体类型。上述网络设备12可以是第四代(the fourth generation，4G)基站，或者5G基站，或者以后版本的基站，或者其他通信系统中的基站，或者称之为节点B，演进节点B，或者传输接收点(Transmission Reception Point，TRP)，或者接入点(Access Point，AP)，或者所述领域中其他词汇，只要达到相同的技术效果，所述网络设备不限于特定技术词汇。另外，上述网络设备12可以是主节点(Master Node，MN)，或者辅节点(Secondary Node，SN)。需要说明的是，在本公开实施例中仅以5G基站为例，但是并不限定网络设备的具体类型。
请参见图2，图2是本公开实施例提供的一种DAI确定方法的流程图，该方法应用于终端，如图2所示，包括以下步骤：
步骤201、接收信令，所述信令包括第一信息。
其中，上述信令可以为物理层信令或者高层信令，例如：上述信令为物理下行控制信道(Physical downlink control channel，PDCCH)信令，如DCI。
上述第一信息可以用于指示上述信令中是否包含DAI，或者用于指示上述信令中DAI的类型。其中，这里的指示可以是显式指示或者隐式指示。
步骤202、依据所述第一信息，对所述信令进行DAI识别，所述DAI识别包括如下至少一项：
确定所述信令是否包含DAI；
识别所述信令中的DAI的类型。
其中，上述确定所述信令是否包含DAI可以是，判断上述信令是否包含DAI，因为，本公开实施例中，上述信令中可以包含或者不包括DAI，以适应多业务、多场景等的需求。
而上述识别所述信令中的DAI的类型可以是，在上述信令中包含DAI的情况下，识别该DAI的类型，从而支持为不同的类型配置不同的DAI。
本公开实施例中，DAI的类型可以是DAI对应的业务类型、信令类型、标识类型、控制信道配置类型、业务优先级类型、资源类型、调制与编码策略(Modulation and Coding Scheme，MCS)类型或者码本类型等。
需要说明的是，上述识别所述信令中的DAI的类型可以是，在默认上述信令中包含DAI的情况下，识别所述信令中的DAI的类型，或者可以是，通过上述步骤确定上述信令包含DAI的情况下，识别所述信令中的DAI的类型。
本公开实施例中，通过上述步骤可以实现，依据上述第一信息确定所述信令是否包含DAI，从而可以支持上述信令中包含或者不包含DAI，也就是说，上述信令中可以灵活配置包含或者不包括DAI，例如：某一些业务不配置DAI，而另一些业务配置DAI，从而避免不同业务共用同一DAI混淆导致的出错，以提高信令传输的可靠性。
另外，本公开实施例中，通过上述步骤可以实现依据上述第一信息识别所述信令中的DAI的类型，从而可以支持为不同类型独立配置相应的DAI，从而避免不同类型共用同一DAI混淆导致的出错，以提高信令传输的可靠性。
作为一种可选的实施方式，在所述信令为第一业务的信令的情况下，所述信令包括DAI；或者
在所述信令为第二业务的信令的情况下，所述信令不包括DAI。
其中，上述第一业务和第二业务可以是两种并发的业务，当然，也可以是不并发的两种业务。
另外，上述第一业务和第二业务可以是两种不同业务类型的业务，例如：URLLC和eMBB；或者，上述第一业务和第二业务可以是两种不同信令格式的业务；或者，上述第一业务和第二业务可以是两种不同控制信道配置的业务；或者，上述第一业务和第二业务可以是两种不同优先级的业务；或者， 上述第一业务和第二业务可以是两种不同传输资源的业务；或者，上述第一业务和第二业务可以是两种不同导频映射类型的业务；或者，上述第一业务和第二业务可以是两种不同MCS配置的业务；或者，上述第一业务和第二业务可以是两种不同混合自动重传请求确认码本(Hybrid Automatic Repeat request Acknowledgement codebook，HARQ-ACK codebook)的业务。
该实施方式中，由于考虑到不同业务的信令(例如：PDCCH)的可靠性不尽相同的，因此并不是所有的信令(例如：PDCCH)都需要DAI来保证其接收，因此对承载不同业务的信令(例如：调度的PDCCH)可以采用不同的策略来开启/关闭，或者，添加/隐去DAI的字段/功能，以节约信令的开销，以及提高信令传输的可靠性。
例如：在未来5G移动通信系统需要适应更加多样化的场景和业务需求。5G的主要场景可以包括：eMBB、URLLC和海量机器类通信(Massive Machine Type Communication，mMTC)，这些场景对系统提出了高可靠、低时延、大带宽、广覆盖等要求。且这些不同的业务可以有不同的服务质量(quality of service，QoS)的要求，例如URLLC支持低时延、高可靠性业务。为了达到更高的可靠性，需要使用更低的码率传输数据，同时需要更快、更精确的信道状态信息(Channel State Information，CSI)的反馈。eMBB业务支持高吞吐量的要求，但是对于时延和可靠性不如URLLC业务那么敏感。另外对于某些终端可能支持不同数值配置(numerology)的业务，终端既支持URLLC低时延高可靠业务，同时支持大容量高速率的eMBB业务。这样，由于eMBB的业务由于可靠性比较低，需要在调度eMBB业务的PDCCH中包含DAI字段；但是URLLC业务可靠性比较高，从而在调度URLLC业务的PDCCH中可以不用包含DAI字段，节省DCI的开销，提高接收控制信令的性能。
需要说明的是，本公开实施例中，DAI机制可以保证终端在遗漏未接收到PDCCH的时候可以及时发现。
作为一种可选的实施方式，所述DAI的类型与所述信令的类型对应。
其中，上述信令的类型可以是：业务类型、格式类型、标识类型、控制信道配置类型、业务优先级类型、资源类型、MCS类型或者HARQ-ACK码本类型等其他类型。
而上述DAI的类型与所述信令的类型对应可以是，DAI的类型与所述信令的类型匹配或者相同。
例如：上述信令的业务优先级类型为优先级1，则上述DAI的类型为优先级1，即该DAI用于对优先级1的信令进行计数；又例如：上述信令的格式类型为信令格式1，则上述DAI的类型为信令格式1，即该DAI用于对信令格式1的信令进行计数；又例如：上述信令为业务类型1的信令，则上述DAI的类型为业务类型1，即该DAI用于对业务类型1的信令进行计数等，此处不一一列举。
该实施方式中，可以实现为不同的类型配置独立的DAI，从而对每一类型的信令单独进行DAI计数，以进一步提高上述信令传输的可靠性，例如：如图3所示，针对eMBB业务采用独立DAI_1计数，针对URLLC业务采用独立DAI_2计数，从而终端可以及时发现遗漏的eMBB业务和URLLC业务的信令。
进一步，可以考虑到不同业务的PDCCH的可靠性不尽相同的，因此对承载不同业务的调度的PDCCH可以采用独立的计数器(counter DAI)计数功能来独立计算PDCCH的个数。
作为一种可选的实施方式，上述第一信息包括如下至少一项：
信令格式信息、标识信息、控制信道配置信息、优先级信息、资源指示信息、调制编码信息和反馈确认信息。
该实施方式中，可以实现为不同的信令格式配置独立的DAI，或者为不同的信令格式配置上述信令包含或者不包含DAI；
以及可以实现为不同的标识信息配置独立的DAI，或者为不同的标识信息配置上述信令包含或者不包含DAI；
以及可以实现为不同的控制信道配置信息配置独立的DAI，或者为不同的控制信道配置信息配置上述信令包含或者不包含DAI；
以及可以实现为不同的优先级信息配置独立的DAI，或者为不同的优先级信息配置上述信令包含或者不包含DAI；
以及可以实现为不同的资源指示信息配置独立的DAI，或者为不同的资源指示信息配置上述信令包含或者不包含DAI；
以及可以实现为不同的调制编码信息配置独立的DAI，或者为不同的调制编码信息配置上述信令包含或者不包含DAI；
以及可以实现为不同的反馈确认信息配置独立的DAI，或者为不同的反馈确认信息配置上述信令包含或者不包含DAI。
该实施方式中，可以实现每种业务的特点单独配置Counter DAI字段，以实现每种业务独立进行DAI计数，以进一步提高信令传输的可靠性。
其中，上述信令格式信息用于表示上述信令的格式，例如：DCI格式。
上述控制信道配置信息可以包括如下至少一项：
所述信令的控制资源集(control resource set，CORESET)信息和所述信令的搜索空间信息。
其中，上述信令的CORESET信息用于表示该信令对应的CORESET，上述信令的搜索空间信息用于表示该信令对应的搜索空间。
上述标识信息可以包括如下至少一项：所述信令的无线网络临时标识(Radio Network Temporary Identifier，RNTI)和所述信令的加扰信息。
其中，上述信令的RNTI可以是该信令对应的RNTI，上述信令的加扰信息可以是上述信令对应的加扰信息。
上述优先级信息可以包括如下至少一项：
优先级指示信息和业务类型指示信息。
其中，上述优先级指示信息可以是指示上述信令对应的业务优先级，上述业务类型指示信息可以是指示上述信令对应的业务类型。
上述反馈确认信息包括：所述信令对应的HARQ-ACK codebook的类型信息。
上述调制编码信息可以是上述信令对应的MCS表，或者MCS表的索引信息等。
上述资源指示信息可以包括如下至少一项：
用于指示数据或者控制信息的传输资源的资源指示信息；
用于指示数据或者控制信息传输的导频映射类型信息的指示信息。
其中，上述传输资源可以是时域资源和频域资源中的至少一项。
以上述信令为DCI例，上述第一信息可以包括下述表格中的一项或者多 项：
表1：信令列表
Figure PCTCN2020079889-appb-000001
需要说明的是，本公开实施例中，可以预先配置每种第一信息与上述信令是否包含DAI的关系，从而终端根据第一信息可以准确是确定上述信令是否包括DAI。例如：网络可以通过高层信令或者其他信令提前为每个业务配置是否需要在PDCCH中携带DAI信息。或者可以是预先配置每种第一信息对应的DAI类型，例如：预先配置每种第一信息下，对应的DAI所对应的HARQ-ACK codebook或者业务。
作为一种可选的实施方式，所述确定所述信令是否包含DAI，包括：
依据第一配置信息，确定所述信令是否包含DAI，其中，所述第一配置信息用于配置所述第一信息与所述信令是否包含所述DAI的关系。
其中，上述第一配置信息可以是终端预先配置的，或者网络预先配置给终端的，或者协议中约定的。
上述配置所述第一信息与所述信令是否包含所述DAI的关系可以是，指示在信令包含DAI的情况下对应的第一信息，指示信令不包含DAI的情况下对应的第一信息。
该实施方式中，可以根据上述第一配置信息准确地确定信令是否包含DAI。
作为一种可选的实施方式，上述识别所述信令中的DAI的类型，包括：
识别所述信令中的所述DAI对应的HARQ-ACK codebook；或者
识别所述信令中的所述DAI对应的业务。
其中，上述DAI对应的HARQ-ACK codebook可以是，DAI属于的HARQ-ACK codebook，上述DAI对应的业务可以是DAI属于的业务。从而可以实现确定上述DAI属于那一个HARQ-ACK codebook或者那一个业务。
该实施方式中，可以实现为不同的HARQ-ACK codebook或者业务配置独立的DAI计数，即根据每种业务或者HARQ-ACK codebook单独对于counter DAI进行计数，以进一步提高信令传输的可靠性。
本公开实施例中，可以支持传输块等级(transport block-level，TB-level)反馈的HARQ-ACK过程，该过程中，每一个TB对应于反馈一个HARQ-ACK bit，支持每个终端的多个DL HARQ进程，也支持每个终端的单个DL HARQ进程，终端可以指示其最小HARQ处理时间的能力，其中，最小HARQ处理时间意味着从下行链路(Downlink)数据接收到相应的HARQ-ACK传输定时所需的最小时间。对于eMBB和URLLC可以支持异步和自适应Downlink HARQ。对于终端来说，多个PDSCH的HARQ-ACK反馈在时间上可以在一个UL数据/控制区域中传输，在这个UL上构成一个HARQ-ACK codebook。另外，可以在DCI中指定了PDSCH接收与对应的ACK/NACK之间的定时，该定时可以参见DCI 1_0、DCI 1_1中的PDCSCH-to-HARQ定时指示符。
作为一种可选的实施方式，所述识别所述信令中的DAI的类型，包括：
依据第二配置信息，识别所述信令中的DAI的类型，其中，所述第二配置信息用于配置所述第一信息与所述DAI的类型的关系。
其中，上述配置所述第一信息与所述DAI的类型的关系可以是，指示每一种第一信息对应的DAI的类型。例如：指示每种第一信息下，上述DAI对应的HARQ-ACK codebook或者业务，从而根据上述第二配置信息和第一信息，动态的确定上述DAI属于那一个HARQ-ACK codebook或者那一个业务。
该实施方式中，可以根据上述第二配置信息准确地确定DAI的类型。
本公开实施例中，通过上述DAI确定方法可以提高信令传输的可靠性。以未来的5G系统为例，在未来的5G系统中，存在多种业务同时并发的场景。例如：用户又在进行eMBB的高速下载，又在接收URLLC的低时延业务。用于调度不同种类业务的PDCCH的可靠性以及时序都不尽相同。本公开实施例可以根据每种业务的特点单独配置Counter DAI字段，以及根据每种业务或者HARQ-ACK codebook单独对于counter DAI进行计数，保证PDCCH的接收根据不同业务满足不同的可靠性要求。
请参见图4，图4是本公开实施例提供的另一种DAI确定方法的流程图，该方法应用于网络设备，如图4所示，包括以下步骤：
步骤401、向终端发送信令，所述信令包括第一信息，所述第一信息用于所述终端对所述信令进行DAI识别，所述DAI识别包括如下至少一项：
确定所述信令是否包含DAI；
识别所述信令中的DAI的类型。
可选的，在所述信令为第一业务的信令的情况下，所述信令包括DAI；或者
在所述信令为第二业务的信令的情况下，所述信令不包括DAI。
可选的，所述DAI的类型与所述信令的类型对应。
可选的，所述第一信息包括如下至少一项：
信令格式信息、标识信息、控制信道配置信息、优先级信息、资源指示信息、调制编码信息和反馈确认信息。
可选的，所述控制信道配置信息包括如下至少一项：
所述信令的CORESET信息和所述信令的搜索空间信息。
可选的，所述标识信息包括如下至少一项：所述信令的RNTI和所述信令的加扰信息。
可选的，所述优先级信息包括如下至少一项：
优先级指示信息和业务类型指示信息。
可选的，所述反馈确认信息包括：所述信令对应的混合自动重传请求确认码本HARQ-ACK codebook的类型信息。
可选的，所述资源指示信息包括如下至少一项：
用于指示数据或者控制信息的传输资源的资源指示信息；
用于指示数据或者控制信息传输的导频映射类型信息的指示信息。
可选的，所述识别所述信令中的DAI的类型，包括：
识别所述信令中的所述DAI对应的HARQ-ACK codebook；或者
识别所述信令中的所述DAI对应的业务。
可选的，所述信令为物理层信令或者高层信令。
需要说明的是，本实施例作为与图2所示的实施例中对应的网络设备侧的实施方式，其具体的实施方式可以参见图2所示的实施例的相关说明，以为避免重复说明，本实施例不再赘述。本实施例中，同样可以提高信令传输的可靠性。
请参见图5，图5是本公开实施例提供的一种终端的结构图，如图5所示，终端500包括：
接收模块501，用于接收信令，所述信令包括第一信息；
识别模块502，用于依据所述第一信息，对所述信令进行DAI识别，所述DAI识别包括如下至少一项：
确定所述信令是否包含DAI；
识别所述信令中的DAI的类型。
可选的，在所述信令为第一业务的信令的情况下，所述信令包括DAI；或者
在所述信令为第二业务的信令的情况下，所述信令不包括DAI。
可选的，所述DAI的类型与所述信令的类型对应。
可选的，所述第一信息包括如下至少一项：
信令格式信息、标识信息、控制信道配置信息、优先级信息、资源指示信息、调制编码信息和反馈确认信息。
可选的，所述控制信道配置信息包括如下至少一项：
所述信令的控制资源集CORESET信息和所述信令的搜索空间信息。
可选的，所述标识信息包括如下至少一项：所述信令的RNTI和所述信令的加扰信息。
可选的，所述优先级信息包括如下至少一项：
优先级指示信息和业务类型指示信息。
可选的，所述反馈确认信息包括：所述信令对应的HARQ-ACK codebook的类型信息。
可选的，所述资源指示信息包括如下至少一项：
用于指示数据或者控制信息的传输资源的资源指示信息；
用于指示数据或者控制信息传输的导频映射类型信息的指示信息。
可选的，所述确定所述信令是否包含DAI，包括：
依据第一配置信息，确定所述信令是否包含DAI，其中，所述第一配置信息用于配置所述第一信息与所述信令是否包含所述DAI的关系。
可选的，所述识别所述信令中的DAI的类型，包括：
识别所述信令中的所述DAI对应的HARQ-ACK codebook；或者
识别所述信令中的所述DAI对应的业务。
可选的，所述识别所述信令中的DAI的类型，包括：
依据第二配置信息，识别所述信令中的DAI的类型，其中，所述第二配置信息用于配置所述第一信息与所述DAI的类型的关系。
可选的，所述信令为物理层信令或者高层信令。
本公开实施例提供的终端能够实现图2的方法实施例中终端实现的各个过程，为避免重复，这里不再赘述，且可以提高信令传输的可靠性。
请参见图6，图6是本公开实施例提供的一种网络设备的结构图，如图6所示，网络设备600包括：
发送模块601，用于向终端发送信令，所述信令包括第一信息，所述第一信息用于所述终端对所述信令进行DAI识别，所述DAI识别包括如下至少一项：
确定所述信令是否包含DAI；
识别所述信令中的DAI的类型。
可选的，在所述信令为第一业务的信令的情况下，所述信令包括DAI；或者
在所述信令为第二业务的信令的情况下，所述信令不包括DAI。
可选的，所述DAI的类型与所述信令的类型对应。
可选的，所述第一信息包括如下至少一项：
信令格式信息、标识信息、控制信道配置信息、优先级信息、资源指示信息、调制编码信息和反馈确认信息。
可选的，所述控制信道配置信息包括如下至少一项：
所述信令的CORESET信息和所述信令的搜索空间信息。
可选的，所述标识信息包括如下至少一项：所述信令的RNTI和所述信令的加扰信息。
可选的，所述优先级信息包括如下至少一项：
优先级指示信息和业务类型指示信息。
可选的，所述反馈确认信息包括：所述信令对应的HARQ-ACK codebook的类型信息。
可选的，所述资源指示信息包括如下至少一项：
用于指示数据或者控制信息的传输资源的资源指示信息；
用于指示数据或者控制信息传输的导频映射类型信息的指示信息。
可选的，所述识别所述信令中的DAI的类型，包括：
识别所述信令中的所述DAI对应的HARQ-ACK codebook；或者
识别所述信令中的所述DAI对应的业务。
可选的，所述信令为物理层信令或者高层信令。
本公开实施例提供的网络设备能够实现图4的方法实施例中终端实现的各个过程，为避免重复，这里不再赘述，且可以提高信令传输的可靠性。
图7为实现本公开各个实施例的一种终端的硬件结构示意图，
该终端700包括但不限于：射频单元701、网络模块702、音频输出单元703、输入单元704、传感器705、显示单元706、用户输入单元707、接口单元708、存储器709、处理器710、以及电源711等部件。本领域技术人员可以理解，图7中示出的终端结构并不构成对终端的限定，终端可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。在本公开实施例中，终端包括但不限于手机、平板电脑、笔记本电脑、掌上电脑、车载终端、机器人、可穿戴设备、以及计步器等。
射频单元701，用于接收信令，所述信令包括第一信息；
处理器710，用于依据所述第一信息，对所述信令进行DAI识别，所述DAI识别包括如下至少一项：
确定所述信令是否包含DAI；
识别所述信令中的DAI的类型。
可选的，在所述信令为第一业务的信令的情况下，所述信令包括DAI；或者
在所述信令为第二业务的信令的情况下，所述信令不包括DAI。
可选的，所述DAI的类型与所述信令的类型对应。
可选的，所述第一信息包括如下至少一项：
信令格式信息、标识信息、控制信道配置信息、优先级信息、资源指示信息、调制编码信息和反馈确认信息。
可选的，所述控制信道配置信息包括如下至少一项：
所述信令的CORESET信息和所述信令的搜索空间信息。
可选的，所述标识信息包括如下至少一项：所述信令的无线网络临时标识RNTI和所述信令的加扰信息。
可选的，所述优先级信息包括如下至少一项：
优先级指示信息和业务类型指示信息。
可选的，所述反馈确认信息包括：所述信令对应的HARQ-ACK codebook的类型信息。
可选的，所述资源指示信息包括如下至少一项：
用于指示数据或者控制信息的传输资源的资源指示信息；
用于指示数据或者控制信息传输的导频映射类型信息的指示信息。
可选的，所述确定所述信令是否包含DAI，包括：
依据第一配置信息，确定所述信令是否包含DAI，其中，所述第一配置信息用于配置所述第一信息与所述信令是否包含所述DAI的关系。
可选的，所述识别所述信令中的DAI的类型，包括：
识别所述信令中的所述DAI对应的HARQ-ACK codebook；或者
识别所述信令中的所述DAI对应的业务。
可选的，所述识别所述信令中的DAI的类型，包括：
依据第二配置信息，识别所述信令中的DAI的类型，其中，所述第二配置信息用于配置所述第一信息与所述DAI的类型的关系。
可选的，所述信令为物理层信令或者高层信令。
上述终端可以提高信令传输的可靠性。
应理解的是，本公开实施例中，射频单元701可用于收发信息或通话过程中，信号的接收和发送，具体的，将来自基站的下行数据接收后，给处理器710处理；另外，将上行的数据发送给基站。通常，射频单元701包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器、双工器等。此外，射频单元701还可以通过无线通信系统与网络和其他设备通信。
终端通过网络模块702为用户提供了无线的宽带互联网访问，如帮助用户收发电子邮件、浏览网页和访问流式媒体等。
音频输出单元703可以将射频单元701或网络模块702接收的或者在存储器709中存储的音频数据转换成音频信号并且输出为声音。而且，音频输出单元703还可以提供与终端700执行的特定功能相关的音频输出(例如，呼叫信号接收声音、消息接收声音等等)。音频输出单元703包括扬声器、蜂鸣器以及受话器等。
输入单元704用于接收音频或视频信号。输入单元704可以包括图形处理器(Graphics Processing Unit，GPU)7041和麦克风7042，图形处理器7041对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静态图片或视频的图像数据进行处理。处理后的图像帧可以显示在显示单元706上。经图形处理器7041处理后的图像帧可以存储在存储器709(或其它存储介质)中或者经由射频单元701或网络模块702进行发送。麦克风7042可以接收声音，并且能够将这样的声音处理为音频数据。处理后的音频数据可以在电话通话模式的情况下转换为可经由射频单元701发送到移动通信基站的格式输出。
终端700还包括至少一种传感器705，比如光传感器、运动传感器以及其他传感器。具体地，光传感器包括环境光传感器及接近传感器，其中，环境光传感器可根据环境光线的明暗来调节显示面板7061的亮度，接近传感器 可在终端700移动到耳边时，关闭显示面板7061和/或背光。作为运动传感器的一种，加速计传感器可检测各个方向上(一般为三轴)加速度的大小，静止时可检测出重力的大小及方向，可用于识别终端姿态(比如横竖屏切换、相关游戏、磁力计姿态校准)、振动识别相关功能(比如计步器、敲击)等；传感器705还可以包括指纹传感器、压力传感器、虹膜传感器、分子传感器、陀螺仪、气压计、湿度计、温度计、红外线传感器等，在此不再赘述。
显示单元706用于显示由用户输入的信息或提供给用户的信息。显示单元706可包括显示面板7061，可以采用液晶显示器(Liquid Crystal Display，LCD)、有机发光二极管(Organic Light-Emitting Diode,OLED)等形式来配置显示面板7061。
用户输入单元707可用于接收输入的数字或字符信息，以及产生与终端的用户设置以及功能控制有关的键信号输入。具体地，用户输入单元707包括触控面板7071以及其他输入设备7072。触控面板7071，也称为触摸屏，可收集用户在其上或附近的触摸操作(比如用户使用手指、触笔等任何适合的物体或附件在触控面板7071上或在触控面板7071附近的操作)。触控面板7071可包括触摸检测装置和触摸控制器两个部分。其中，触摸检测装置检测用户的触摸方位，并检测触摸操作带来的信号，将信号传送给触摸控制器；触摸控制器从触摸检测装置上接收触摸信息，并将它转换成触点坐标，再送给处理器710，接收处理器710发来的命令并加以执行。此外，可以采用电阻式、电容式、红外线以及表面声波等多种类型实现触控面板7071。除了触控面板7071，用户输入单元707还可以包括其他输入设备7072。具体地，其他输入设备7072可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆，在此不再赘述。
进一步的，触控面板7071可覆盖在显示面板7061上，当触控面板7071检测到在其上或附近的触摸操作后，传送给处理器710以确定触摸事件的类型，随后处理器710根据触摸事件的类型在显示面板7061上提供相应的视觉输出。虽然在图7中，触控面板7071与显示面板7061是作为两个独立的部件来实现终端的输入和输出功能，但是在某些实施例中，可以将触控面板7071与显示面板7061集成而实现终端的输入和输出功能，具体此处不做限定。
接口单元708为外部装置与终端700连接的接口。例如，外部装置可以包括有线或无线头戴式耳机端口、外部电源(或电池充电器)端口、有线或无线数据端口、存储卡端口、用于连接具有识别模块的装置的端口、音频输入/输出(input/output，I/O)端口、视频I/O端口、耳机端口等等。接口单元708可以用于接收来自外部装置的输入(例如，数据信息、电力等等)并且将接收到的输入传输到终端700内的一个或多个元件或者可以用于在终端700和外部装置之间传输数据。
存储器709可用于存储软件程序以及各种数据。存储器709可主要包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需的应用程序(比如声音播放功能、图像播放功能等)等；存储数据区可存储根据手机的使用所创建的数据(比如音频数据、电话本等)等。此外，存储器709可以包括高速随机存取存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件、或其他易失性固态存储器件。
处理器710是终端的控制中心，利用各种接口和线路连接整个终端的各个部分，通过运行或执行存储在存储器709内的软件程序和/或模块，以及调用存储在存储器709内的数据，执行终端的各种功能和处理数据，从而对终端进行整体监控。处理器710可包括一个或多个处理单元；可选的，处理器710可集成应用处理器和调制解调处理器，其中，应用处理器主要处理操作系统、用户界面和应用程序等，调制解调处理器主要处理无线通信。可以理解的是，上述调制解调处理器也可以不集成到处理器710中。
终端700还可以包括给各个部件供电的电源711(比如电池)，可选的，电源711可以通过电源管理系统与处理器710逻辑相连，从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。
另外，终端700包括一些未示出的功能模块，在此不再赘述。
可选的，本公开实施例还提供一种终端，包括处理器710，存储器709，存储在存储器709上并可在所述处理器710上运行的计算机程序，该计算机程序被处理器710执行时实现上述DAI确定方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
参见图8，图8是本公开实施例提供的另一种网络设备的结构图，如图8 所示，该网络设备800包括：处理器801、收发机802、存储器803和总线接口，其中：
收发机802，用于向终端发送信令，所述信令包括第一信息，所述第一信息用于所述终端对所述信令进行DAI识别，所述DAI识别包括如下至少一项：
确定所述信令是否包含DAI；
识别所述信令中的DAI的类型。
可选的，在所述信令为第一业务的信令的情况下，所述信令包括DAI；或者
在所述信令为第二业务的信令的情况下，所述信令不包括DAI。
可选的，所述DAI的类型与所述信令的类型对应。
可选的，所述第一信息包括如下至少一项：
信令格式信息、标识信息、控制信道配置信息、优先级信息、资源指示信息、调制编码信息和反馈确认信息。
可选的，所述控制信道配置信息包括如下至少一项：
所述信令的CORESET信息和所述信令的搜索空间信息。
可选的，所述标识信息包括如下至少一项：所述信令的RNTI和所述信令的加扰信息。
可选的，所述优先级信息包括如下至少一项：
优先级指示信息和业务类型指示信息。
可选的，所述反馈确认信息包括：所述信令对应的HARQ-ACK codebook的类型信息。
可选的，所述资源指示信息包括如下至少一项：
用于指示数据或者控制信息的传输资源的资源指示信息；
用于指示数据或者控制信息传输的导频映射类型信息的指示信息。
可选的，所述识别所述信令中的DAI的类型，包括：
识别所述信令中的所述DAI对应的HARQ-ACK codebook；或者
识别所述信令中的所述DAI对应的业务。
可选的，所述信令为物理层信令或者高层信令。
上述网络设备可以提高信令传输的可靠性。
其中，收发机802，用于在处理器801的控制下接收和发送数据，所述收发机802包括至少两个天线端口。
在图8中，总线架构可以包括任意数量的互联的总线和桥，具体由处理器801代表的一个或多个处理器和存储器803代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。收发机802可以是多个元件，即包括发送机和接收机，提供用于在传输介质上与各种其他装置通信的单元。针对不同的用户设备，用户接口804还可以是能够外接内接需要设备的接口，连接的设备包括但不限于小键盘、显示器、扬声器、麦克风、操纵杆等。
处理器801负责管理总线架构和通常的处理，存储器803可以存储处理器801在执行操作时所使用的数据。
可选的，本公开实施例还提供一种网络设备，包括处理器801，存储器803，存储在存储器803上并可在所述处理器801上运行的计算机程序，该计算机程序被处理器801执行时实现上述DAI确定方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
本公开实施例还提供一种计算机可读存储介质，计算机可读存储介质上存储有计算机程序，该计算机程序被处理器执行时实现本公开实施例提供的终端侧的DAI确定方法，或者，该计算机程序被处理器执行时实现本公开实施例提供的网络设备侧的DAI确定方法，且能达到相同的技术效果，为避免重复，这里不再赘述。其中，所述的计算机可读存储介质，如只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方 法、物品或者装置中还存在另外的相同要素。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本公开的技术方案本质上或者说对相关技术做出贡献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(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端(可以是手机，计算机，服务器，空调器，或者网络设备等)执行本公开各个实施例所述的方法。
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公开的范围。
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，上述描述的系统、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系统，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，在本公开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，本公开的技术方案本质上或者说对相关技术做出贡献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)执行本公开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、ROM、RAM、磁碟或者光盘等各种可以存储程序代码的介质。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程，是可以通过计算机程序来控制相关的硬件来完成，所述的程序可存储于计算机可读取存储介质中，该程序在执行时，可包括如上述各方法的实施例的流程。其中，所述的存储介质可为磁碟、光盘、只读存储器(Read-Only Memory，ROM)或随机存取存储器(Random Access Memory，RAM)等。
可以理解的是，本公开实施例描述的这些实施例可以用硬件、软件、固件、中间件、微码或其组合来实现。对于硬件实现，模块、单元、子单元可以实现在一个或多个专用集成电路(Application Specific Integrated Circuits，ASIC)、数字信号处理器(Digital Signal Processor，DSP)、数字信号处理设备(DSP Device，DSPD)、可编程逻辑设备(Programmable Logic Device，PLD)、现场可编程门阵列(Field-Programmable Gate Array，FPGA)、通用处理器、控制器、微控制器、微处理器、用于执行本公开所述功能的其它电子单元或其组合中。
对于软件实现，可通过执行本公开实施例所述功能的模块(例如过程、函数等)来实现本公开实施例所述的技术。软件代码可存储在存储器中并通过处理器执行。存储器可以在处理器中或在处理器外部实现。
上面结合附图对本公开的实施例进行了描述，但是本公开并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本公开的启示下，在不脱离本公开宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本公开的保护范围之内。

Claims (29)

  1. 一种下行分配索引DAI确定方法，应用于终端，包括：
    接收信令，所述信令包括第一信息；
    依据所述第一信息，对所述信令进行DAI识别，所述DAI识别包括如下至少一项：
    确定所述信令是否包含DAI；
    识别所述信令中的DAI的类型。
  2. 如权利要求1所述的方法，其中，在所述信令为第一业务的信令的情况下，所述信令包括DAI；或者
    在所述信令为第二业务的信令的情况下，所述信令不包括DAI。
  3. 如权利要求1所述的方法，其中，所述DAI的类型与所述信令的类型对应。
  4. 如权利要求1所述的方法，其中，所述第一信息包括如下至少一项：
    信令格式信息、标识信息、控制信道配置信息、优先级信息、资源指示信息、调制编码信息和反馈确认信息。
  5. 如权利要求4所述的方法，其中，所述控制信道配置信息包括如下至少一项：
    所述信令的控制资源集CORESET信息和所述信令的搜索空间信息。
  6. 如权利要求4所述的方法，其中，所述标识信息包括如下至少一项：所述信令的无线网络临时标识RNTI和所述信令的加扰信息。
  7. 如权利要求4所述的方法，其中，所述优先级信息包括如下至少一项：
    优先级指示信息和业务类型指示信息。
  8. 如权利要求4所述的方法，其中，所述反馈确认信息包括：所述信令对应的混合自动重传请求确认码本HARQ-ACK codebook的类型信息。
  9. 如权利要求4所述的方法，其中，所述资源指示信息包括如下至少一项：
    用于指示数据或者控制信息的传输资源的资源指示信息；
    用于指示数据或者控制信息传输的导频映射类型信息的指示信息。
  10. 如权利要求1、2、4、5、6、7、8或9所述的方法，其中，所述确定所述信令是否包含DAI，包括：
    依据第一配置信息，确定所述信令是否包含DAI，其中，所述第一配置信息用于配置所述第一信息与所述信令是否包含所述DAI的关系。
  11. 如权利要求1、3、4、5、6、7、8或9所述的方法，其中，所述识别所述信令中的DAI的类型，包括：
    识别所述信令中的所述DAI对应的HARQ-ACK codebook；或者
    识别所述信令中的所述DAI对应的业务。
  12. 如权利要求1、3、4、5、6、7、8或9所述的方法，其中，所述识别所述信令中的DAI的类型，包括：
    依据第二配置信息，识别所述信令中的DAI的类型，其中，所述第二配置信息用于配置所述第一信息与所述DAI的类型的关系。
  13. 如权利要求1至9中任一项所述的方法，其中，所述信令为物理层信令或者高层信令。
  14. 一种下行分配索引DAI确定方法，应用于网络设备，包括：
    向终端发送信令，所述信令包括第一信息，所述第一信息用于所述终端对所述信令进行DAI识别，所述DAI识别包括如下至少一项：
    确定所述信令是否包含DAI；
    识别所述信令中的DAI的类型。
  15. 如权利要求14所述的方法，其中，在所述信令为第一业务的信令的情况下，所述信令包括DAI；或者
    在所述信令为第二业务的信令的情况下，所述信令不包括DAI。
  16. 如权利要求14所述的方法，其中，所述DAI的类型与所述信令的类型对应。
  17. 如权利要求14所述的方法，其中，所述第一信息包括如下至少一项：
    信令格式信息、标识信息、控制信道配置信息、优先级信息、资源指示信息、调制编码信息和反馈确认信息。
  18. 如权利要求17所述的方法，其中，所述控制信道配置信息包括如下至少一项：
    所述信令的控制资源集CORESET信息和所述信令的搜索空间信息。
  19. 如权利要求17所述的方法，其中，所述标识信息包括如下至少一项：所述信令的无线网络临时标识RNTI和所述信令的加扰信息。
  20. 如权利要求17所述的方法，其中，所述优先级信息包括如下至少一项：
    优先级指示信息和业务类型指示信息。
  21. 如权利要求17所述的方法，其中，所述反馈确认信息包括：所述信令对应的混合自动重传请求确认码本HARQ-ACK codebook的类型信息。
  22. 如权利要求17所述的方法，其中，所述资源指示信息包括如下至少一项：
    用于指示数据或者控制信息的传输资源的资源指示信息；
    用于指示数据或者控制信息传输的导频映射类型信息的指示信息。
  23. 如权利要求14、16、17、18、19、20、21或22所述的方法，其中，所述识别所述信令中的DAI的类型，包括：
    识别所述信令中的所述DAI对应的HARQ-ACK codebook；或者
    识别所述信令中的所述DAI对应的业务。
  24. 如权利要求14至22中任一项所述的方法，其中，所述信令为物理层信令或者高层信令。
  25. 一种终端，包括：
    接收模块，用于接收信令，所述信令包括第一信息；
    识别模块，用于依据所述第一信息，对所述信令进行下行分配索引DAI识别，所述DAI识别包括如下至少一项：
    确定所述信令是否包含DAI；
    识别所述信令中的DAI的类型。
  26. 一种网络设备，包括：
    发送模块，用于向终端发送信令，所述信令包括第一信息，所述第一信息用于所述终端对所述信令进行下行分配索引DAI识别，所述DAI识别包括如下至少一项：
    确定所述信令是否包含DAI；
    识别所述信令中的DAI的类型。
  27. 一种终端，包括：存储器、处理器及存储在所述存储器上并可在所述处理器上运行的程序，所述程序被所述处理器执行时实现如权利要求1至13中任一项所述的下行分配索引DAI确定方法中的步骤。
  28. 一种网络设备，包括：存储器、处理器及存储在所述存储器上并可在所述处理器上运行的程序，所述程序被所述处理器执行时实现如权利要求14至24中任一项所述的下行分配索引DAI确定方法中的步骤。
  29. 一种计算机可读存储介质，所述计算机可读存储介质上存储有计算机程序，所述计算机程序被处理器执行时实现如权利要求1至13中任一项所述的下行分配索引DAI确定方法中的步骤，或者，所述计算机程序被处理器执行时实现如权利要求14至24中任一项所述的DAI确定方法中的步骤。
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