WO2018082577A1 - Procédés et dispositifs de transmission et de réception d'informations, station de base et terminal - Google Patents

Procédés et dispositifs de transmission et de réception d'informations, station de base et terminal Download PDF

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Publication number
WO2018082577A1
WO2018082577A1 PCT/CN2017/108973 CN2017108973W WO2018082577A1 WO 2018082577 A1 WO2018082577 A1 WO 2018082577A1 CN 2017108973 W CN2017108973 W CN 2017108973W WO 2018082577 A1 WO2018082577 A1 WO 2018082577A1
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WIPO (PCT)
Prior art keywords
terminal
configuration parameter
harq configuration
control signaling
service type
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PCT/CN2017/108973
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English (en)
Chinese (zh)
Inventor
黄河
何青春
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中兴通讯股份有限公司
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Publication of WO2018082577A1 publication Critical patent/WO2018082577A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—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

Definitions

  • the present invention relates to the field of wireless communication technologies, for example, to a method and device for transmitting and receiving information, a base station, and a terminal.
  • LTE Long Term Evolution
  • the protocol architecture and physical layer parameters of LTE are not differentiated according to service types.
  • the physical layer parameters such as the subcarrier spacing corresponding to different service types, the number of symbols included in the subframe, the symbol interval, and the subframe format are the same regardless of the conventional Cyclic Prefix (CP) and the extended CP.
  • CP Cyclic Prefix
  • MAC Media Access Control
  • the base station configures only one hybrid automatic repeat request HARQ for the terminal at a time.
  • the configuration of the HARQ is usually based on different transmission modes (such as Time Division Duplex (TDD) and Frequency Division Duplex (FDD)), that is, the number of HARQ processes and the minimum round-trip delay corresponding to different transmission modes. (Round-Trip Time, RTT) is different.
  • TDD Time Division Duplex
  • FDD Frequency Division Duplex
  • RTT Red-Trip Time
  • fifth-generation mobile communication (5th generation, 5G) networks have greater data throughput, lower latency, and higher reliability requirements.
  • service types tend to be diversified and transmission characteristics are different.
  • eMBB enhanced mobile broadband
  • mMTC massive Machine Type Communications
  • URLLC Ultra-Reliable and Low Latency Communications
  • a method for transmitting information including:
  • the indication information includes a hybrid automatic repeat request HARQ configuration parameter corresponding to the service type information of the service processed by the terminal or related information of the HARQ configuration parameter;
  • the related information of the HARQ configuration parameter includes at least one of the following:
  • the HARQ ID of the specific HARQ configuration parameter where the specific HARQ configuration parameter is a HARQ configuration parameter of the HARQ configuration parameter corresponding to the service type information of the service processed by the terminal, which satisfies the transmission characteristics of the multiple services processed by the terminal.
  • the method before the generating the indication information, the method further includes:
  • the method further includes: searching, according to the mapping relationship and the service type information of the service processed by the terminal, a HARQ configuration parameter corresponding to the service type information of the service processed by the terminal.
  • the related information of the HARQ configuration parameter includes a HARQ ID that specifies a HARQ configuration parameter in a HARQ configuration parameter corresponding to the service type information of the service processed by the terminal, before generating the indication information
  • the method further includes:
  • sending the indication information to the terminal includes at least one of the following:
  • the first control signaling includes one of: network layer control signaling, data link layer control signaling, and physical layer control signaling;
  • the second control signaling Sending, by the second control signaling, the information indicating which HARQ configuration parameter is used by the terminal to the terminal, where the second control signaling includes one of the following: data link layer control signaling and physical Layer control signaling.
  • the service type information includes at least one of the following: a service type, a radio bearer RB, a logical channel LCH, a physical layer parameter, a network slice, and a physical layer temporary identifier.
  • the physical layer parameter includes at least one of the following: a subcarrier spacing, a symbol interval, a subframe format, a number of symbols included in the subframe, a multiple access manner, and a transmission time interval.
  • a method for receiving information includes:
  • the indication information includes a hybrid automatic repeat request HARQ configuration parameter corresponding to the service type information of the service processed by the terminal or related information of the HARQ configuration parameter;
  • the related information of the HARQ configuration parameter includes at least one of the following:
  • the HARQ ID of the HARQ configuration parameter is specified in the HARQ configuration parameter corresponding to the service type information of the service processed by the terminal.
  • the indication information sent by the receiving base station includes at least one of the following:
  • the mapping relationship where the first control signaling includes one of: network layer control signaling, data link layer control signaling, and physical layer control signaling;
  • the second control signaling includes one of the following: data link layer control signaling and physical layer control signaling.
  • determining, according to the indication information, a HARQ configuration parameter corresponding to the service type information of the service processed by the terminal includes:
  • the service type information includes at least one of the following: a service type, a radio bearer RB, a logical channel LCH, a physical layer parameter, a network slice, and a physical layer temporary identifier.
  • the physical layer parameter includes at least one of the following: a subcarrier spacing, a symbol interval, a subframe format, a number of symbols included in the subframe, a multiple access manner, and a transmission time interval.
  • a device for transmitting information comprising:
  • a generating module configured to generate indication information, where the indication information includes a hybrid automatic repeat request HARQ configuration parameter or related information of the HARQ configuration parameter corresponding to service type information of a service processed by the terminal;
  • the sending module is configured to send the indication information to the terminal.
  • the related information of the HARQ configuration parameter includes at least one of the following:
  • the HARQ ID of the HARQ configuration parameter is specified in the HARQ configuration parameter corresponding to the service type information of the service processed by the terminal.
  • the device further includes:
  • the generating module is configured to be according to the mapping relationship and the service processed by the terminal.
  • the service type information searches for the HARQ configuration parameter corresponding to the service type information of the service processed by the terminal.
  • the sending module is further configured to: when the related information of the HARQ configuration parameter includes a HARQ ID that specifies a HARQ configuration parameter in a HARQ configuration parameter corresponding to the service type information of the service processed by the terminal, Before generating the indication information, the correspondence between the HARQ configuration parameter corresponding to the service type information of the service processed by the terminal and the HARQ identification ID of the HARQ configuration parameter is sent to the terminal.
  • the sending module is further configured to be at least one of the following:
  • first control signaling includes one of: network layer control signaling, data link layer control signaling, and physical layer control signaling ;
  • the second control signaling Sending, by the second control signaling, the information indicating which HARQ configuration parameter is used by the terminal to the terminal, where the second control signaling includes one of the following: data link layer control signaling and physical Layer control signaling.
  • a device for receiving information includes:
  • a receiving module configured to receive indication information sent by the base station, where the indication information includes a hybrid automatic repeat request HARQ configuration parameter corresponding to the service type information of the service processed by the terminal or related information of the HARQ configuration parameter;
  • a determining module configured to determine, according to the indication information, a HARQ configuration parameter corresponding to the service type information of the service processed by the terminal.
  • the related information of the HARQ configuration parameter includes at least one of the following:
  • the HARQ ID of the HARQ parameter information is specified in the HARQ configuration parameter corresponding to the service type information of the service processed by the terminal.
  • the receiving module is further configured to perform at least one of the following:
  • the mapping relationship where the first control signaling includes one of: network layer control signaling, data link layer control signaling, and physical layer control signaling;
  • the second control signaling includes one of the following: data link layer control signaling and physical layer control signaling.
  • a base station comprising:
  • a processor configured to generate indication information, where the indication information includes a hybrid automatic repeat request HARQ configuration parameter or related information of the HARQ configuration parameter corresponding to service type information of a service processed by the terminal;
  • the transmitting device is configured to send the indication information to the terminal.
  • a base station includes: a central unit CU and a distribution unit DU; wherein
  • the CU is configured to generate indication information, where the indication information includes a hybrid automatic repeat request HARQ configuration parameter or related information of the HARQ configuration parameter corresponding to service type information of a service processed by the terminal, and the indication is Information is sent to the DU;
  • the DU is configured to receive the indication information sent by the CU, and send the indication information to a terminal.
  • a terminal comprising:
  • a transmitting device configured to receive indication information sent by the base station, where the indication information includes a hybrid automatic repeat request HARQ configuration parameter corresponding to the service type information of the service processed by the terminal or related information of the HARQ configuration parameter;
  • a processor configured to determine, according to the indication information, a hybrid automatic repeat request HARQ configuration parameter corresponding to the service type information processed by the terminal.
  • a storage medium configured to store program code for performing the following steps:
  • the indication information includes a hybrid automatic repeat request HARQ configuration parameter corresponding to the service type information of the service processed by the terminal or related information of the HARQ configuration parameter;
  • a storage medium configured to store program code for performing the following steps:
  • the indication information includes a hybrid automatic repeat request HARQ configuration parameter corresponding to the service type information of the service processed by the terminal or related information of the HARQ configuration parameter;
  • FIG. 1A is a schematic flowchart diagram of a method for transmitting information according to an embodiment
  • FIG. 1B is a schematic flowchart of another method for transmitting information according to an embodiment
  • FIG. 2 is a block diagram showing the hardware structure of a mobile terminal according to an embodiment
  • FIG. 3A is a flowchart of a method for receiving information according to an embodiment
  • FIG. 3B is a flowchart of another method for receiving information according to an embodiment
  • FIG. 4 is a structural block diagram of an apparatus for transmitting information according to an embodiment
  • FIG. 5 is a structural block diagram of an apparatus for receiving information according to an embodiment
  • FIG. 6 is a structural block diagram of a base station according to an embodiment
  • FIG. 7 is a structural block diagram of a terminal according to an embodiment
  • FIG. 8 is a schematic diagram of a base station selecting a HARQ configuration parameter according to service type information to generate a mapping relationship table according to an embodiment
  • FIG. 9 is a schematic flowchart of a method for determining a HARQ configuration parameter according to an embodiment
  • FIG. 10 is a schematic flowchart diagram of another method for determining HARQ configuration parameters according to an embodiment
  • FIG. 11 is a schematic flow chart of another method for determining HARQ configuration parameters according to an embodiment
  • FIG. 12 is a flow diagram of another method of determining HARQ configuration parameters, according to an embodiment
  • FIG. 13 is a schematic flowchart of a HARQ parameter configuration in a DU scenario according to an embodiment.
  • FIG. 1A is a schematic flow chart of a method for transmitting information according to an embodiment.
  • the execution body of the method may be a base station.
  • the method includes the following steps.
  • step 102 the indication information is obtained, where the indication information is used to indicate a hybrid automatic repeat request HARQ configuration parameter corresponding to the service type information of the current service.
  • step 104 the indication information is sent to the terminal.
  • the current service refers to a service processed by the terminal, and the service processed by the terminal may be a service configured for the terminal.
  • the indication information is used to indicate the hybrid automatic repeat request HARQ configuration parameter corresponding to the service type information of the current service, so that the terminal can determine the service type information corresponding to the current service.
  • the HARQ configuration parameter the terminal can determine the HARQ configuration parameters in real time, so that the terminal can obtain the HARQ configuration parameters corresponding to the transmission characteristics of different services, and can solve the problem that the HARQ configuration parameters cannot adapt to the transmission characteristics of different services.
  • a terminal in a 5G network can simultaneously handle multiple different types of services, such as a terminal performing non-delay sensitive and delay sensitive services simultaneously.
  • the HARQ parameter configuration method in the LTE network is used, only one HARQ parameter is configured for the terminal, that is, only the HARQ parameter of the non-delay-sensitive service or the HARQ parameter of the delay-sensitive service is configured, and the terminal does not adapt to multiple service types. Transmission characteristics requirements. Therefore, in this embodiment, the indication information acquired by the base station is sent to the terminal, where the indication information includes the HARQ configuration parameter corresponding to the service type information of the current service, so that the terminal can adapt to the transmission characteristic requirements of the multiple service types.
  • the above indication information may include at least one of the following:
  • the HARQ configuration parameter corresponding to the service type information of the current service
  • the HARQ ID of the HARQ configuration information is specified in the HARQ configuration information corresponding to the service type information of the current service.
  • the information indicating which HARQ configuration parameter is used by the terminal may be semi-static or dynamically indicating which HARQ configuration parameter the terminal adopts.
  • the method may further include: generating a mapping relationship between the service type information and the HARQ configuration parameter.
  • the mapping between the generated service type information and the HARQ configuration parameter includes: selecting a HARQ configuration parameter according to different service type information, and generating the foregoing mapping relationship.
  • the HARQ configuration parameter is selected according to different service type information, and the HARQ configuration parameter is selected according to the QoS requirement.
  • the HARQ configuration parameter with a large number of retransmissions may be selected.
  • the foregoing step 102 includes: determining, according to the mapping relationship and the service type information of the current service, the service type information corresponding to the current service. HARQ configuration parameters.
  • the indication information may include only the HARQ configuration information corresponding to the service type information of the current service.
  • the indication information may include the HARQ that specifies the HARQ configuration parameter in the HARQ configuration parameter corresponding to the service type information of the current service. ID.
  • the method may further include: transmitting, to the terminal, a correspondence between the HARQ configuration parameter corresponding to the service type information of the current service and the HARQ identifier (Identifier, ID) of the HARQ configuration parameter.
  • the terminal may determine, according to the mapping relationship and the service type information of the current service.
  • the HARQ configuration parameter corresponding to the service type information of the current service.
  • the mapping relationship and the information indicating which HARQ configuration parameter is used by the terminal are sent to the terminal.
  • the terminal may determine the HARQ configuration parameter corresponding to the service type information of the current service according to the mapping relationship and the information indicating which HARQ configuration parameter the terminal adopts.
  • the above step 104 may further include at least one of the following:
  • the first control signaling includes the following 1: network layer control signaling, data link layer control signaling, and physical layer control signaling;
  • the information indicating which HARQ configuration parameter the terminal adopts is sent to the terminal by using the second control signaling, where the second control signaling includes one of the following: data link layer control signaling and physical layer control signaling.
  • FIG. 1B is a schematic flowchart of a method for sending information according to an embodiment.
  • an execution entity of the method may be a base station.
  • the method for transmitting information in this embodiment includes the following steps.
  • step 11 the indication information is generated, where the indication information includes a hybrid automatic repeat request HARQ configuration parameter corresponding to the service type information of the service processed by the terminal or related information of the HARQ configuration parameter.
  • step 12 the indication information is sent to the terminal, so that the terminal determines the HARQ configuration parameter corresponding to the service type information of the service processed by the terminal according to the indication information.
  • the related information of the HARQ configuration parameter includes at least one of the following:
  • the HARQ ID of the specific HARQ configuration parameter where the specific HARQ configuration parameter is a HARQ configuration parameter of the HARQ configuration parameter corresponding to the service type information of the service processed by the terminal, which satisfies the transmission characteristics of the multiple services processed by the terminal.
  • the method further includes:
  • the method further includes: searching, according to the mapping relationship and the service type information of the service processed by the terminal, a HARQ configuration parameter corresponding to the service type information of the service processed by the terminal.
  • the related information of the HARQ configuration parameter includes a HARQ ID that specifies a HARQ configuration parameter in a HARQ configuration parameter corresponding to the service type information of the service processed by the terminal, before generating the indication information
  • the method further includes:
  • sending the indication information to the terminal includes at least one of the following:
  • the first control signaling includes network layer control signaling, data link layer control signaling, or physical layer control signaling;
  • the second control signaling Sending, by the second control signaling, the information indicating which HARQ configuration parameter is used by the terminal to the terminal, where the second control signaling includes one of the following: data link layer control signaling and physical Layer control signaling.
  • the service type information includes at least one of the following: a service type, a radio bearer RB, a logical channel LCH, a physical layer parameter, a network slice, and a physical layer temporary identifier.
  • the physical layer parameter includes at least one of the following: a subcarrier spacing, a symbol interval, a subframe format, a number of symbols included in the subframe, a multiple access manner, and a transmission time interval.
  • the base station may include a Centralized Unit (CU) and a Distributed Unit (DU).
  • the base station includes the CU and the DU, and the step 104 may further include: the CU in the base station sends the indication information to the terminal by using the DU in the base station.
  • the service type information may include at least one of the following: a service type, a radio bearer (RB), a logical channel (LCH), a physical layer parameter (numerology), a network slice (slice), and a physical layer temporary identifier (eg, Cell Radio Network Temporary Identifier (C-RNTI).
  • the HARQs are all based on a shared channel (SCH). If different physical layer parameters (numerology) in the 5G mobile communication correspond to at least one of different physical channels, radio bearers, and network slices, different ones may be used. HARQ parameters are bound to physical channels, radio bearers, and network slices.
  • Changes in service type information may trigger the update and transmission of HARQ configuration parameters.
  • the physical layer parameter includes at least one of the following: a subcarrier spacing, a symbol interval, a subframe format, a number of symbols included in the subframe, a multiple access manner, and a transmission time interval.
  • the foregoing HARQ configuration parameters may include at least one of the following: the number of HARQ processes, the RTT, and the number of retransmissions.
  • the above network layer control signaling may be Radio Resource Control (RRC).
  • the above data link layer control signaling may be a MAC Control Element (CE).
  • the physical layer control signaling may be sent through a physical layer control channel, where the physical layer control channel may include at least one of the following: a Physical Downlink Control Channel (PDCCH) and an Enhanced Physical Downlink Control Channel (enhanced Physical Downlink Control Channel). , ePDCCH).
  • the execution body of the above steps may be a base station.
  • the execution body of the above steps may be at least one of a CU and a DU in the base station.
  • FIG. 2 is a hardware structural block diagram of a mobile terminal receiving a method for receiving information according to an embodiment.
  • mobile terminal 20 may include one or more (only one shown) processor 202 (processor 202 may include a Microcontroller Unit (MCU) or a programmable logic device (Field-Programmable). Gate Array (FPGA)), a memory 204 set to store data, and a transmission device 206 having a communication function.
  • processor 202 may include a Microcontroller Unit (MCU) or a programmable logic device (Field-Programmable). Gate Array (FPGA)
  • MCU Microcontroller Unit
  • FPGA Gate Array
  • the mobile terminal 20 may also include more or fewer components than those shown in FIG. 2, or have a different configuration than that shown in FIG. 2.
  • the memory 204 may be configured as a software program and a module for storing application software, such as program instructions or modules corresponding to a method of receiving information in the embodiment of the present disclosure, and the processor 202 executes by executing a software program and a module stored in the memory 204.
  • application software such as program instructions or modules corresponding to a method of receiving information in the embodiment of the present disclosure
  • the processor 202 executes by executing a software program and a module stored in the memory 204.
  • Memory 204 can include high speed random access memory and can also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory.
  • memory 204 can include memory remotely located relative to processor 202, which can be connected to mobile terminal 20 over a network. Examples of such networks include the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
  • Transmission device 206 is arranged to receive or transmit data via a network.
  • the network described above may include a wireless network provided by a communication provider of the mobile terminal 20.
  • the transmission device 206 includes a Network Interface Controller (NIC) that can be connected to other network devices through a base station to communicate with the Internet.
  • the transmission device 206 can be a radio frequency (RF) module that is configured to communicate with the Internet wirelessly.
  • NIC Network Interface Controller
  • RF radio frequency
  • FIG. 3A is a flowchart of a method for receiving information according to the embodiment.
  • the execution entity of the method may be a terminal. As shown in FIG. 3A, the flow includes the following steps.
  • step 302 the indication information sent by the base station is received.
  • step 304 the HARQ configuration parameter corresponding to the service type information of the current service is determined according to the indication information.
  • the terminal determines the HARQ configuration parameter corresponding to the service type information of the current service according to the received indication information, that is, the terminal can determine the HARQ configuration parameter in real time, and is adapted to
  • a variety of services can solve the problem that the terminal cannot adapt to the transmission characteristics of multiple services, and can meet the requirements of real-time high reliability and high data throughput.
  • the foregoing indication information may include at least one of the following: a mapping relationship between the service type information and the HARQ configuration parameter; information indicating which HARQ configuration parameter the terminal adopts; and a HARQ configuration parameter corresponding to the service type information of the current service; Corresponding relationship between the HARQ configuration parameter corresponding to the service type information of the current service and the HARQ identification ID of the HARQ configuration information; and the HARQ ID specifying the HARQ configuration information in the HARQ configuration parameter corresponding to the service type information of the current service.
  • the foregoing information indicating which HARQ configuration parameter the terminal uses may semi-statically or dynamically indicate the HARQ configuration parameters adopted by the terminal.
  • the HARQ configuration parameter corresponding to the service type information of the current service is determined by the base station according to the mapping relationship and the service type information of the current service.
  • the above step 302 may include at least one of the following:
  • the first control signaling includes one of: network layer control signaling, data link layer control signaling, and physical layer control signaling;
  • the second control signaling includes one of the following: data link layer control signaling and physical layer control signaling.
  • the foregoing network layer control signaling may be RRC, and the foregoing data link layer control signaling may be a MAC CE.
  • the physical layer control signaling may be sent through a physical layer control channel, where the physical layer control channel may include at least one of the following: a PDCCH and an ePDCCH.
  • the foregoing step 304 may include: determining, according to the mapping relationship and the service type information of the current service, a HARQ configuration parameter corresponding to the service type information of the current service.
  • the indication information includes a mapping relationship and indicates which terminal is used by the terminal.
  • the foregoing step 304 may include determining, according to the mapping relationship and the information indicating which HARQ configuration parameter the terminal uses, the HARQ configuration parameter corresponding to the service type information of the current service.
  • the foregoing step 304 may include: the terminal corresponding to the service type information of the current service, where the terminal includes the base station in the indication information.
  • the HARQ configuration parameter is determined as a HARQ configuration parameter corresponding to the service type information of the current service.
  • the foregoing step 304 may include: according to the current service The correspondence between the HARQ configuration parameter corresponding to the service type information and the HARQ identification ID of the HARQ configuration parameter and the HARQ ID of the specified HARQ configuration parameter in the HARQ configuration parameter corresponding to the service type of the current service are determined and current service The HARQ configuration parameters corresponding to the service type information.
  • the service type information includes at least one of the following: a service type, a radio bearer RB, a logical channel LCH, a physical layer parameter (numerology), a network slice (slice), and a physical layer temporary identifier (eg, C-RNTI).
  • Changes in service type information may trigger the update and transmission of HARQ configuration parameters.
  • the physical layer parameter includes at least one of a subcarrier spacing, a symbol interval, a subframe format, a number of symbols included in the subframe, a multiple access manner, and a transmission time interval.
  • the foregoing HARQ configuration parameters may include at least one of the following: the number of HARQ processes, the RTT, and the number of retransmissions.
  • FIG. 3B is a flowchart of an information receiving method according to an embodiment.
  • an execution body of the method may be a terminal.
  • the flow includes the following steps.
  • step 31 the indication information sent by the base station is received, where the indication information includes a hybrid automatic repeat request HARQ configuration parameter or related information of the HARQ configuration parameter corresponding to the service type information of the service processed by the terminal.
  • step 32 the service type information of the service processed by the terminal is determined according to the indication information. Corresponding HARQ configuration parameters.
  • the related information of the HARQ configuration parameter includes at least one of the following:
  • the HARQ ID of the specific HARQ configuration parameter where the specific HARQ configuration parameter is a HARQ configuration parameter of the HARQ configuration parameter corresponding to the service type information of the service processed by the terminal, which satisfies the transmission characteristics of the multiple services processed by the terminal.
  • the indication information sent by the receiving base station includes at least one of the following:
  • the mapping relationship where the first control signaling includes one of: network layer control signaling, data link layer control signaling, and physical layer control signaling;
  • the second control signaling includes one of the following: data link layer control signaling and physical layer control signaling.
  • determining, according to the indication information, a HARQ configuration parameter corresponding to the service type information of the service processed by the terminal includes:
  • the service type information includes at least one of the following: a service type, a radio bearer RB, a logical channel LCH, a physical layer parameter, a network slice, and a physical layer temporary identifier.
  • the physical layer parameter includes at least one of the following: a subcarrier spacing, a symbol interval, a subframe format, a number of symbols included in the subframe, a multiple access manner, and a transmission time interval.
  • the method of the foregoing embodiment may be implemented by means of software plus a general hardware platform, or may be implemented by hardware.
  • the above technical solution can be embodied in the form of a software product stored in A storage medium (such as a read-only memory (ROM), a random access memory (RAM), a magnetic disk, an optical disk), including one or more instructions for causing a terminal device (
  • a storage medium such as a read-only memory (ROM), a random access memory (RAM), a magnetic disk, an optical disk
  • the method in various embodiments of the present disclosure may be a mobile phone, computer, server or network device.
  • An embodiment provides an apparatus for transmitting information, which can implement a method of transmitting information in various embodiments.
  • the term "module" can implement at least one of software and hardware for a predetermined function.
  • the apparatus described in the following embodiments may be implemented in software, hardware, or software and hardware.
  • FIG. 4 is a structural block diagram of an apparatus for transmitting information according to an embodiment. As shown in FIG. 4, the apparatus includes an acquisition module 42 and a transmission module 44.
  • the obtaining module 42 is configured to obtain indication information, where the indication information is used to indicate hybrid automatic repeat request HARQ configuration parameter indication information corresponding to the service type information of the current service.
  • the sending module 44 is connected to the obtaining module 42 and configured to send the indication information to the terminal.
  • the sending module 44 sends the indication information to the terminal, so that the terminal can determine the HARQ configuration parameter corresponding to the service type information of the current service, so that the terminal can determine the HARQ configuration parameter in real time, and the terminal can obtain the transmission characteristic requirements of multiple services in real time, which can be solved.
  • the terminal cannot adapt to the problem of the transmission characteristics of multiple services.
  • the foregoing indication information may include at least one of the following: a mapping relationship between the service type information and the HARQ configuration parameter; information indicating which HARQ configuration parameter the terminal adopts; and a HARQ configuration parameter corresponding to the service type information of the current service; Corresponding relationship between the HARQ configuration parameter corresponding to the service type information of the current service and the HARQ ID of the HARQ configuration parameter; and the HARQ ID specifying the HARQ configuration parameter in the HARQ configuration parameter corresponding to the service type information of the current service.
  • the information indicating which HARQ configuration parameter is used by the terminal may be semi-static or dynamically indicating which HARQ configuration parameter the terminal adopts.
  • the above apparatus may further include: a generating module 46.
  • the generating module 46 is connected to the obtaining module 42 and configured to generate a mapping relationship between the service type information and the HARQ configuration parameter before acquiring the indication information.
  • the generating module is further configured to select a HARQ configuration according to different service type information.
  • the parameter generates the above mapping relationship.
  • the obtaining module 42 may be configured to determine, according to the mapping relationship and the service type information of the current service, the service with the current service, if the indication information includes the HARQ configuration parameter corresponding to the service type information of the current service.
  • the HARQ configuration parameter corresponding to the type information may be configured to determine, according to the mapping relationship and the service type information of the current service, the service with the current service, if the indication information includes the HARQ configuration parameter corresponding to the service type information of the current service.
  • the HARQ configuration parameter corresponding to the type information may be configured to determine, according to the mapping relationship and the service type information of the current service, the service with the current service, if the indication information includes the HARQ configuration parameter corresponding to the service type information of the current service.
  • the sending module 44 may be further configured to: when the indication information includes the HARQ ID of the HARQ configuration parameter in the HARQ configuration parameter corresponding to the service type information of the current service, Before the information, the correspondence between the HARQ configuration parameter corresponding to the service type information of the current service and the HARQ ID of the HARQ configuration parameter is sent to the terminal.
  • the sending module 44 sends the mapping relationship and the information indicating which HARQ configuration parameter is used by the terminal.
  • the terminal is configured to enable the terminal to determine the HARQ configuration parameter corresponding to the service type information of the current service according to the mapping relationship and the information indicating which HARQ configuration parameter the terminal uses.
  • the sending module 44 may be configured to send at least one of the following: the mapping relationship is sent to the terminal by using the first control signaling, where the first control signaling includes one of the following: network layer control signaling
  • the data link layer control signaling and the physical layer control signaling are sent to the terminal by using the first control signaling, and the HARQ configuration parameter corresponding to the current service type information is sent to the terminal;
  • Sending the relationship to the terminal transmitting, by the first control signaling, the HARQ ID of the specified HARQ configuration parameter to the terminal; and transmitting, by using the second control signaling, information indicating which HARQ configuration parameter the terminal adopts To the terminal, where the second control signaling includes one of the following: data link layer control signaling and physical layer control signaling.
  • the service type information includes at least one of the following: a service type, a radio bearer RB, a logical channel LCH, a physical layer parameter (numerology), a network slice (slice), and a physical layer temporary identifier (eg, C-RNTI).
  • Changes in service type information may trigger the update and transmission of HARQ configuration parameters.
  • the physical layer parameter includes at least one of the following: a subcarrier spacing, a symbol interval, a subframe format, a number of symbols included in the subframe, a multiple access manner, and a transmission time interval.
  • the foregoing HARQ configuration parameters may include at least one of the following: the number of HARQ processes, the RTT, and the number of retransmissions.
  • the foregoing network layer control signaling may be RRC.
  • the above data link layer control signaling may be a MAC CE.
  • the physical layer control signaling may be sent through a physical layer control channel, where the physical layer control channel may include at least one of the following: a PDCCH and an ePDCCH.
  • the above device may be disposed in a base station.
  • the above multiple modules can be implemented by software or hardware.
  • the plurality of modules are all located in the same processor; or, the plurality of modules are respectively located in different processors in any combination.
  • An embodiment further provides an apparatus for receiving information, which apparatus can implement an embodiment of the method of receiving the above information.
  • FIG. 5 is a structural block diagram of an apparatus for receiving information according to an embodiment. As shown in FIG. 5, the apparatus includes a receiving module 52 and a determining module 54.
  • the receiving module 52 is configured to receive indication information sent by the base station.
  • the determining module 54 is connected to the receiving module 52, and is configured to determine, according to the indication information, a HARQ configuration parameter corresponding to the service type information of the current service.
  • the receiving module 52 receives the indication information, and the terminal determines the HARQ configuration parameter corresponding to the service type information of the current service according to the received indication information, that is, the terminal can determine the HARQ configuration parameter in real time, can adapt to the requirements of multiple service characteristics, and can solve the problem that the terminal cannot The problem of adapting to the transmission characteristics of multiple services enables the terminal to meet the requirements of real-time high reliability and high data throughput.
  • the foregoing indication information may include at least one of the following: a mapping relationship between the service type information and the HARQ configuration parameter; information indicating which HARQ configuration parameter the terminal adopts; and a HARQ configuration parameter corresponding to the service type information of the current service; Corresponding relationship between the HARQ configuration parameter corresponding to the service type information of the current service and the HARQ ID of the HARQ configuration parameter; and the HARQ ID specifying the HARQ configuration parameter in the HARQ configuration parameter corresponding to the service type information of the current service.
  • the information indicating which HARQ configuration parameter is used by the terminal may be semi-static or dynamically indicating which HARQ configuration parameter the terminal adopts.
  • the HARQ configuration parameter corresponding to the service type information of the current service is determined by the base station according to the mapping relationship and the service type information of the current service.
  • the receiving module 52 is further configured to perform at least one of: receiving a mapping relationship by using the first control signaling, where the first control signaling includes one of: network layer control signaling, a data link Receiving, by the first control signaling, a HARQ configuration parameter corresponding to the service type information of the current service, and receiving, by using the first control signaling, the corresponding relationship;
  • the control signaling receives the HARQ ID of the specified HARQ configuration parameter; and receives, by using the second control signaling, information indicating which HARQ configuration parameter the terminal adopts, where the second control signaling includes one of the following: data link layer control Signaling and physical layer control signaling.
  • the above network layer control signaling may be RRC.
  • the above data link layer control signaling may be a MAC CE.
  • the foregoing physical layer control signaling is sent through a physical layer control channel, and the physical layer control channel may include at least one of the following: a PDCCH and an enhanced ePDCCH.
  • the determining module 54 may be further configured to determine, according to the mapping relationship and the service type information of the current service, the HARQ configuration parameter corresponding to the service type information of the current service, if the indication information includes the mapping relationship.
  • the determining module 54 may be further configured to determine, according to the mapping relationship and information indicating which HARQ configuration parameter the terminal adopts, in the case that the indication information includes a mapping relationship and information indicating which HARQ configuration parameter the terminal adopts.
  • the HARQ configuration parameter corresponding to the service type information of the current service.
  • the determining module 54 may be further configured to determine, in the case that the indication information includes a HARQ configuration parameter corresponding to the service type information of the current service, the HARQ configuration parameter corresponding to the service type information of the current service is The HARQ configuration parameter corresponding to the service type information of the current service.
  • the determining module 54 may be further configured to: if the indication information includes a HARQ ID that specifies a HARQ configuration parameter in a HARQ configuration parameter corresponding to the service type information of the current service, according to the Corresponding relationship between the HARQ configuration parameter corresponding to the service type information of the current service and the HARQ ID of the HARQ configuration parameter, and the HARQ ID determination of the specified HARQ configuration parameter in the HARQ configuration parameter corresponding to the service type information of the current service The HARQ configuration parameter corresponding to the service type information of the current service.
  • the service type information includes at least one of the following: a service type, a radio bearer RB, a logical channel LCH, a physical layer parameter (numerology), a network slice (slice), and a physical layer temporary identifier (eg, C-RNTI).
  • Changes in service type information may trigger the update and transmission of HARQ configuration parameters.
  • the physical layer parameter includes at least one of a subcarrier spacing, a symbol interval, a subframe format, a number of symbols included in the subframe, a multiple access manner, and a transmission time interval.
  • the foregoing HARQ configuration parameters may include at least one of the following: the number of HARQ processes, the RTT, and the number of retransmissions.
  • the above device can be located in the terminal.
  • the above multiple modules can be implemented by software or hardware.
  • the above modules are all located in the same processor; or, the above multiple modules are respectively located in different processors in any combination.
  • FIG. 6 is a structural block diagram of a base station according to an embodiment. As shown in FIG. 6, the base station includes a processor 62 and a transmission device 64.
  • the processor 62 is configured to obtain indication information for determining a hybrid automatic repeat request HARQ configuration parameter corresponding to the service type information of the current service.
  • the transmission device 64 is coupled to the processor 62 and is arranged to transmit the indication information to the terminal.
  • the transmission device may include a baseband processing device and a radio frequency module (ie, a radio frequency circuit).
  • the foregoing base station sends the indication information to the terminal, so that the terminal can determine the HARQ configuration parameter corresponding to the service type information of the current service, so that the terminal can dynamically determine the HARQ configuration parameter, so that the terminal can adapt to the transmission characteristics of multiple services, and the terminal can not solve the problem.
  • the problem of adapting to the transmission characteristics of multiple services is not solved.
  • the foregoing indication information may include at least one of the following: a mapping relationship between the service type information and the HARQ configuration parameter; information indicating which HARQ configuration parameter the terminal adopts; and a HARQ configuration parameter corresponding to the service type information of the current service; Corresponding relationship between the HARQ configuration parameter corresponding to the service type information of the current service and the HARQ ID of the HARQ configuration parameter; and the HARQ configuration parameter specified in the HARQ configuration parameter corresponding to the service type information of the current service HARQ ID.
  • the information indicating which HARQ configuration parameter is used by the terminal may be semi-static or dynamically indicating which HARQ configuration parameter the terminal adopts.
  • the processor 62 described above may also be configured to generate a mapping relationship.
  • the processor 62 may be further configured to select a HARQ configuration parameter according to different service type information to generate the mapping relationship.
  • the processor 62 may be further configured to determine, according to the mapping relationship and the service type information of the current service, the service with the current service, if the indication information includes the HARQ configuration parameter corresponding to the service type information of the current service.
  • the HARQ configuration parameter corresponding to the type information may be further configured to determine, according to the mapping relationship and the service type information of the current service, the service with the current service, if the indication information includes the HARQ configuration parameter corresponding to the service type information of the current service.
  • the HARQ configuration parameter corresponding to the type information may be further configured to determine, according to the mapping relationship and the service type information of the current service, the service with the current service, if the indication information includes the HARQ configuration parameter corresponding to the service type information of the current service.
  • the transmitting device 64 sends the mapping relationship and the information indicating which HARQ configuration parameter the terminal uses.
  • the terminal is configured to enable the terminal to determine the HARQ configuration parameter corresponding to the service type information of the current service according to the mapping relationship and the information indicating which HARQ configuration parameter the terminal uses.
  • the foregoing transmission device 64 may be further configured to: when the indication information includes a HARQ ID that specifies a HARQ configuration parameter in a HARQ configuration parameter corresponding to the service type information of the current service, obtain the indication information.
  • the corresponding relationship between the HARQ configuration parameter corresponding to the service type information of the current service and the HARQ ID of the HARQ configuration parameter is sent to the terminal.
  • the foregoing transmission device 64 may be further configured to: send the mapping relationship to the terminal by using the first control signaling, where the first control signaling includes one of: network layer control signaling, Data link layer control signaling and physical layer control signaling; transmitting, by using the first control signaling, a HARQ configuration parameter corresponding to the service type information of the current service to the terminal; and performing the corresponding relationship by using the first control signaling Sending to the terminal; transmitting, by the first control signaling, the HARQ ID of the specified HARQ configuration parameter to the terminal; and sending, by using the second control signaling, information indicating which HARQ configuration parameter the terminal adopts to The terminal, the second control signaling includes one of the following: data link layer control signaling and physical layer control signaling.
  • At least one of the service type information service type information and related configuration information includes At least one of: a service type, a radio bearer RB, a logical channel LCH, a physical layer parameter (numerology), a network slice (slice), and a physical layer temporary identifier (eg, C-RNTI).
  • Changes in service type information may trigger the update and transmission of HARQ configuration parameters.
  • the physical layer parameter includes at least one of the following: a subcarrier spacing, a symbol interval, a subframe format, a number of symbols included in the subframe, a multiple access manner, and a transmission time interval.
  • the foregoing HARQ configuration parameters may include at least one of the following: the number of HARQ processes, the RTT, and the number of retransmissions.
  • the above network layer control signaling may be RRC.
  • the above data link layer control signaling may be a MAC CE.
  • the physical layer control signaling is sent by using a physical layer control channel, and the physical layer control channel may include at least one of the following: a physical downlink control channel PDCCH, and an enhanced physical downlink control channel ePDCCH.
  • An embodiment provides a base station, including: a CU and a DU.
  • the CU is connected to the DU, where the CU is configured to obtain the indication information, where the indication information is used to determine indication information of the hybrid automatic repeat request HARQ configuration parameter corresponding to the service type information of the current service, and the indication information is Sent to the DU.
  • the DU is configured to receive the indication information sent by the CU, and send the indication information to the terminal.
  • the indication information includes at least one of the following: a mapping relationship between the service type information and the HARQ configuration parameter, information indicating which HARQ configuration parameter is used by the terminal, and corresponding to the service type information of the current service. a HARQ configuration parameter; a correspondence between a HARQ configuration parameter corresponding to the service type information of the current service and a HARQ ID of the HARQ configuration parameter; and a HARQ specified in a HARQ configuration parameter corresponding to the service type information of the current service Configure the HARQ ID of the parameter.
  • FIG. 7 is a structural block diagram of a terminal according to an embodiment. As shown in FIG. 7, the terminal includes: a transmitting device 72 and a processor 74.
  • the transmitting device (ie, transmitting device) 72 is configured to receive indication information sent by the base station for determining a hybrid automatic repeat request HARQ configuration parameter corresponding to the service type information of the current service.
  • the processor 74 is connected to the transmission device 72, and is configured to determine that the current device is being used according to the indication information.
  • the terminal receives the indication information, and determines a HARQ configuration parameter corresponding to the service type information of the current service according to the received indication information.
  • the terminal can dynamically determine the HARQ configuration parameters, can adapt to multiple services, and can solve the problem that the terminal cannot adapt to the transmission delay parameters of multiple services, and can meet the requirements of real-time high reliability and high data throughput.
  • the foregoing indication information may include at least one of the following: a mapping relationship between the service type information and the HARQ configuration parameter; information indicating which HARQ configuration parameter the terminal adopts; and a HARQ configuration parameter corresponding to the service type information of the current service; Corresponding relationship between the HARQ configuration parameter corresponding to the service type information of the current service and the HARQ ID of the HARQ configuration parameter; and the HARQ ID specifying the HARQ configuration parameter in the HARQ configuration parameter corresponding to the service type information of the current service.
  • the information indicating which HARQ configuration parameter is used by the terminal may be semi-static or dynamically indicating which HARQ configuration parameter the terminal adopts.
  • the HARQ configuration parameter corresponding to the service type information of the current service may be determined by the base station according to the mapping relationship and the service type information of the current service.
  • the foregoing transmission device 72 may be further configured to: receive the mapping relationship by using the first control signaling; where the first control signaling includes one of the following: network layer control signaling, data link The layer control signaling and the physical layer control signaling; receiving the HARQ configuration parameter corresponding to the service type information of the current service by using the first control signaling; receiving the corresponding relationship by using the first control signaling; The signaling receives the HARQ ID of the specified HARQ configuration parameter; and receives, by using the second control signaling, information indicating which HARQ configuration parameter the terminal uses; wherein the second control signaling includes one of the following: data link layer control signaling And physical layer control signaling.
  • the above network layer control signaling may be RRC.
  • the above data link layer control signaling may be a MAC CE.
  • the foregoing physical layer control signaling is sent through a physical layer control channel, and the physical layer control channel may include at least one of the following: a PDCCH and an ePDCCH.
  • the processor 74 may be further configured to determine, according to the mapping relationship and the service type information of the current service, the HARQ configuration parameter corresponding to the service type information of the current service, if the indication information includes the mapping relationship.
  • the processor 74 may be further configured to determine, according to the mapping relationship and information indicating which HARQ configuration parameter the terminal adopts, in the case that the indication information includes a mapping relationship and information indicating which HARQ configuration parameter the terminal adopts.
  • the HARQ configuration parameter corresponding to the service type information of the current service.
  • the processor 74 may be further configured to directly determine the HARQ configuration parameter corresponding to the service type information of the current service, where the indication information includes the HARQ configuration parameter corresponding to the service type information of the current service.
  • the HARQ configuration parameter corresponding to the service type information of the current service of the terminal may be further configured to directly determine the HARQ configuration parameter corresponding to the service type information of the current service, where the indication information includes the HARQ configuration parameter corresponding to the service type information of the current service.
  • the processor 74 may be further configured to: if the indication information includes a HARQ ID that specifies a HARQ configuration parameter in a HARQ configuration parameter corresponding to the service type information of the current service, according to Corresponding relationship between the HARQ configuration parameter corresponding to the service type information of the current service and the HARQ identification ID of the HARQ configuration parameter and the HARQ ID determination of the specified HARQ configuration parameter in the HARQ configuration parameter corresponding to the service type information of the current service The HARQ configuration parameter corresponding to the service type information of the current service.
  • the service type information may include at least one of the following: a service type, a radio bearer RB, a logical channel LCH, a physical layer parameter (numerology), a network slice (slice), and a physical layer temporary identifier (eg, C-RNTI).
  • Changes in service type information may trigger the update and transmission of HARQ configuration parameters.
  • the physical layer parameter may include at least one of the following: subcarrier spacing, symbol interval, subframe format, number of symbols included in the subframe, multiple access mode, and transmission time interval.
  • the foregoing HARQ configuration parameters may include at least one of the following: the number of HARQ processes, the RTT, and the number of retransmissions.
  • This embodiment provides a storage medium.
  • the above storage medium may be configured to store program code for performing the steps of the method of FIG. 1 or 3.
  • the foregoing storage medium may include a plurality of media that can store program codes, such as a USB flash drive, a ROM, a RAM, a mobile hard disk, a magnetic disk, or an optical disk.
  • program codes such as a USB flash drive, a ROM, a RAM, a mobile hard disk, a magnetic disk, or an optical disk.
  • the processor executes the map according to the stored program code in the storage medium. 1 or the steps of the method in FIG.
  • examples in this embodiment may refer to the examples described in the foregoing embodiments and optional embodiments.
  • An embodiment provides a HARQ configuration method, in which a base station selects a HARQ configuration parameter according to different service type information, and generates a mapping relationship table, and the mapping relationship is configured to the terminal by using the first control signaling.
  • the base station selects the HARQ configuration parameter according to the multiple service type information, and generates a mapping relationship table, and configures the mapping relationship to the terminal by using the first control signaling to implement the HARQ parameter for multiple types of services. , to adapt to the transmission characteristics of a variety of services.
  • the base station selects a HARQ configuration parameter according to different service type information, and generates a mapping relationship table, and configures the mapping relationship to the terminal by using the first control signaling.
  • the service type information may include at least one of the following: a service type, a radio bearer RB, a logical channel LCH, a physical layer parameter (numerology), a network slice (slice), and a physical layer temporary identifier (eg, C-RNTI).
  • the physical layer parameter may include at least one of: a subcarrier spacing, a symbol interval, a subframe format, a number of symbols included in a subframe, a multiple access manner, and a transmission time interval.
  • the updating of the HARQ configuration parameters is triggered by at least one of the service type change, the logical channel change, the radio bearer change, the physical layer parameter change, and the network slice information change.
  • the transmitting of the HARQ configuration parameters is triggered by at least one of the service type change, the logical channel change, the radio bearer change, the physical layer parameter change, and the network slice information change.
  • the base station sends the mapping relationship to the terminal by using first control signaling.
  • the first control signaling may include one of the following: network layer control signaling, data link layer control signaling, and physical layer control signaling.
  • the base station indicates, by using the second control signaling, which HARQ configuration parameter the terminal adopts.
  • the terminal determines, according to the service type information and mapping relationship of the currently used service.
  • the HARQ configuration parameters corresponding to the service are provided.
  • the second control signaling may be one of the following: including data link layer control signaling and physical layer control signaling.
  • the radio bearer RB, the logical channel LCH, and the physical are implemented according to at least one of different radio bearer RBs, logical channel LCHs, physical layer parameters, and network slices.
  • n is a positive integer
  • the network slice can also be replaced with an RBID, an LCH ID, or a physical layer parameter (numerology).
  • FIG. 8 is a schematic diagram of a base station selecting a HARQ configuration parameter according to service type information to generate a mapping relationship table according to an embodiment.
  • the service type information includes at least one of the following: a service type, a radio bearer, a logical channel, a physical layer parameter (numerology), a network slice (slice), and a physical layer temporary identifier (eg, C-RNTI).
  • the base station selects a HARQ configuration parameter according to at least one of a used radio bearer, a logical channel, a physical layer parameter, and a network slice, generates a mapping relationship table between the service type information and the HARQ configuration parameter, and flexibly configures the terminal.
  • the base station selects a HARQ configuration parameter according to the service type information, and generates a mapping relationship table between the two to dynamically indicate which HARQ configuration parameter the terminal adopts or for the terminal to select.
  • step 801 the base station selects a HARQ configuration parameter according to the service type information, and generates a service type.
  • the mapping relationship between information and HARQ configuration parameters is not limited to the mapping relationship between information and HARQ configuration parameters.
  • the service type information may include at least one of the following: a service type, a radio bearer, a logical channel, a physical layer parameter (numerology), a network slice (slice), and a physical layer temporary identifier (eg, C-RNTI).
  • the HARQ configuration parameter may include at least one of the following: a number of HARQ processes, an RTT, and a number of retransmissions.
  • step 802 the base station sends the mapping relationship or sends the determined HARQ configuration parameters to the terminal.
  • the base station sends the mapping relationship to the terminal by using first control signaling.
  • the base station sends the determined HARQ configuration parameter to the terminal by using the first control signaling.
  • the first control signaling may include one of the following: network layer control signaling, data link layer control signaling, and physical layer control signaling.
  • the network layer control signaling may be RRC.
  • the data link layer control signaling may be a MAC CE.
  • the physical layer control signaling is sent through a physical layer control channel, and the physical layer control channel includes at least one of the following: a PDCCH and an ePDCCH.
  • the terminal may determine a HARQ configuration parameter corresponding to the service according to the service type information and the mapping relationship of the currently used service.
  • the base station indicates, by using the second control signaling, which HARQ configuration parameter the terminal uses.
  • the second control signaling may include at least one of the following: data link layer control signaling and physical layer control signaling.
  • the data link layer control signaling may be a MAC CE.
  • the physical layer control signaling is sent through a physical layer control channel, and the physical layer control channel includes at least one of the following: a PDCCH and an ePDCCH.
  • FIG. 9 is a schematic flowchart of a method for determining a HARQ configuration parameter according to an embodiment.
  • the base station generates a mapping relationship table between the different service type information and the HARQ configuration parameter, and sends the mapping relationship table to the terminal, and the terminal independently selects the corresponding HARQ configuration parameter according to the current service type information, as follows.
  • step 1 the base station generates a mapping relationship table between different service type information and HARQ configuration parameters.
  • the service type information may include at least one of the following: a service type, a radio bearer, a logical channel, a physical layer parameter (numerology), a network slice (slice), and a physical layer temporary identifier (eg, C-RNTI).
  • the physical layer parameter may include at least one of: a subcarrier spacing, a symbol interval, a subframe format, a number of symbols included in a subframe, a multiple access manner, and a transmission time interval.
  • the base station may select a HARQ configuration parameter according to the radio bearer, and generate a mapping relationship table between the HARQ configuration parameter and the radio bearer, where the mapping relationship table is as shown in Table 1.
  • the update of the HARQ configuration parameters may be triggered by a change in the radio bearer.
  • the radio bearer described above may also be replaced with at least one of a logical channel, a physical layer parameter, and a network slice.
  • step 2 the base station sends the mapping relationship table to the terminal.
  • the base station sends the mapping relationship table to the terminal by using first control signaling.
  • the first control signaling may include one of the following: network layer control signaling, data link layer control signaling, and physical layer control signaling.
  • the network layer control signaling may be RRC.
  • the data link layer control signaling may be a MAC CE.
  • the physical layer control signaling is sent through a physical layer control channel, and the physical layer control channel includes at least one of the following: a PDCCH and an ePDCCH.
  • step 3 the terminal feeds back a mapping relationship table to the base station to receive an acknowledgement message.
  • the receiving acknowledgement message carries a receiving status indication for indicating whether the terminal successfully receives the mapping relationship table.
  • the base station may retransmit the mapping relationship table.
  • step 4 the terminal can select a HARQ configuration parameter corresponding to the service type information of the currently ongoing service in the mapping relationship table according to the currently-used service type information.
  • the service type information may include at least one of the following: a service type, a radio bearer, a logical channel, a physical layer parameter (numerology), a network slice (slice), and a physical layer temporary identifier (eg, C-RNTI).
  • the service type may be classified according to at least one of a transmission rate, a delay, and a reliability, and the service type may include at least one of the following: eMBB, mMTC, and URLLC.
  • the terminal determines the HARQ configuration parameter corresponding to the currently used service according to the service type information and the mapping relationship table of the currently used service.
  • the base station generates a mapping relationship table between the different service type information and the HARQ configuration parameter, and sends the mapping relationship table to the terminal by using the first control signaling, where the base station indicates the terminal by using the second control signaling.
  • the steps included in this embodiment are as follows.
  • step 1 the base station generates a mapping relationship table between different service type information and HARQ configuration parameters.
  • the service type information may include at least one of the following: a service type, a radio bearer, a logical channel, a physical layer parameter (numerology), a network slice (slice), and a physical layer temporary identifier (eg, C-RNTI).
  • the physical layer parameter may include at least one of: a subcarrier spacing, a symbol interval, a subframe format, a number of symbols included in a subframe, a multiple access manner, and a transmission time interval.
  • the base station selects a HARQ configuration parameter according to at least one of a radio bearer, a logical channel, a physical layer parameter, and a network slice, and generates the HARQ configuration parameter and the radio bearer, the logical channel, and the physical layer parameter ( A mapping relationship table of at least one of a numerology and a network slice, the mapping relationship table being as shown in Table 1.
  • the updating of the HARQ configuration parameters is triggered by at least one of the service type change, the logical channel change, the radio bearer change, the physical layer parameter change, and the network slice information change.
  • step 2 the base station sends the mapping relationship to the terminal.
  • the base station sends the mapping relationship table to the terminal by using first control signaling.
  • the first control signaling includes one of the following: network layer control signaling, data link layer control signaling, and physical layer control signaling.
  • the network layer control signaling may be RRC.
  • the data link layer control signaling may be a MAC CE.
  • the physical layer control signaling is sent through a physical layer control channel, and the physical layer control channel includes at least one of the following: a PDCCH and an ePDCCH.
  • step 3 the terminal feeds back the mapping relationship table to the base station to receive the acknowledgement message, and determines the HARQ configuration parameter according to the mapping relationship table and the service type information of the service processed by the terminal.
  • the receiving acknowledgement message carries a receiving status indication for indicating whether the terminal successfully receives the mapping relationship table.
  • the base station may retransmit the mapping relationship table.
  • step 4 the base station sends information indicating which HARQ configuration parameters the terminal uses.
  • the base station sends, to the terminal, information indicating which HARQ configuration parameter is used by the terminal by using the second control signaling.
  • the second control signaling includes one of the following: data link layer control signaling and a physical layer control signal. make.
  • the data link layer control signaling may be a MAC CE.
  • the physical layer control signaling is sent through a physical layer control channel, and the physical layer control channel includes at least one of the following: a PDCCH and an ePDCCH.
  • step 5 the terminal feeds back to the base station to indicate a reception confirmation message.
  • the receiving confirmation message carries a receiving status indication for indicating whether the terminal successfully receives the second control signaling.
  • the base station may retransmit the second control signaling.
  • FIG. 11 is a flow diagram of a method of determining HARQ configuration parameters, in accordance with an embodiment.
  • the base station generates a mapping relationship table between the service type information and the HARQ configuration parameter, and the base station determines the HARQ configuration parameter according to the service type information of the ongoing service, and sends the determined HARQ configuration parameter to the terminal.
  • the steps included in this embodiment are as follows.
  • step 111 the base station generates a mapping relationship table between different service type information and HARQ configuration parameters.
  • the service type information includes at least one of the following: a service type, a radio bearer, a logical channel, a physical layer parameter (numerology), a network slice (slice), and a physical layer temporary identifier (eg, C-RNTI).
  • the physical layer parameter includes at least one of: a subcarrier spacing, a symbol interval, a subframe format, a number of symbols included in a subframe, a multiple access manner, and a transmission time interval.
  • the base station selects a HARQ configuration parameter according to at least one of a radio bearer, a logical channel, a physical layer parameter, and a network slice, and generates the HARQ configuration parameter and the radio bearer, the logical channel, and the physical layer parameter (
  • the updating of the HARQ configuration parameters is triggered by at least one of the service type change, the logical channel change, the radio bearer change, the physical layer parameter change, and the network slice information change.
  • the transmitting of the HARQ configuration parameters is triggered by at least one of the service type change, the logical channel change, the radio bearer change, the physical layer parameter change, and the network slice information change.
  • the service type may be divided according to at least one of a transmission rate, a delay, and a reliability, and the service type includes at least one of the following: eMBB, mMTC, and URLLC.
  • step 112 the base station determines the HARQ configuration parameter corresponding to the currently used service type information according to the currently used service type information and the mapping relationship table.
  • step 113 the base station sends the determined HARQ configuration parameters to the terminal.
  • the base station may indicate which HARQ configuration parameter the terminal uses by the second control signaling.
  • multiple HARQ configuration parameters can be distinguished by the HARQ ID.
  • the first control signaling includes one of the following: network layer control signaling, data link layer control signaling, and physical layer control signaling.
  • the network layer control signaling may be RRC.
  • the data link layer control signaling may be a MAC CE.
  • the physical layer control signaling is sent through a physical layer control channel, and the physical layer control channel includes at least one of the following: a PDCCH and an ePDCCH.
  • the base station may send the HARQ configuration parameter with the highest service transmission requirement to the terminal.
  • HARQ configuration parameters that can satisfy multiple service transmission characteristics may be adopted.
  • FIG. 12 is a flow diagram of a method of determining HARQ configuration parameters, in accordance with an embodiment.
  • the difference between FIG. 12 and FIG. 10 is that the base station in FIG. 12 determines one or more sets of HARQ configuration parameters according to different service type information, generates a mapping relationship table between the HARQ configuration parameters and the HARQ ID, and creates the mapping relationship table.
  • the first control signaling is sent to the terminal, and the base station indicates which HARQ configuration parameter the terminal uses by using the second control signaling.
  • the steps included in this embodiment are as follows.
  • step 1 the base station determines the HARQ configuration parameter according to different service type information, and generates a mapping relationship table between the HARQ configuration parameter and the HARQ ID.
  • the service type information includes at least one of the following: a service type, a radio bearer, a logical channel, a physical layer parameter (numerology), a network slice (slice), and a physical layer temporary identifier (eg, C-RNTI).
  • the physical layer parameter includes at least one of: a subcarrier spacing, a symbol interval, a subframe format, a number of symbols included in a subframe, a multiple access manner, and a transmission time interval.
  • the base station may select a HARQ configuration parameter according to at least one of a radio bearer, a logical channel, a physical layer parameter, and a network slice, and generate the HARQ configuration parameter and the radio bearer, the logical channel, the physical layer parameter, and the network slice.
  • a mapping relationship table of at least one of the mapping relationship tables as shown in Table 1.
  • the update of the HARQ configuration parameter may be changed by the service type, logical channel change, wireless At least one of a change in bearer, a change in physical layer parameters, and a change in network slice information.
  • step 2 the base station sends the mapping relationship table and the determined HARQ configuration parameters to the terminal.
  • the determined HARQ configuration parameter is that the base station determines the HARQ configuration parameter corresponding to the service type information of the service processed by the terminal according to the service type information and the mapping relationship table of the service processed by the terminal.
  • the base station sends the mapping relationship table to the terminal by using first control signaling.
  • the first control signaling includes one of the following: network layer control signaling, data link layer control signaling, and physical layer control signaling.
  • the network layer control signaling may be RRC.
  • the data link layer control signaling may be a MAC CE.
  • the physical layer control signaling is sent through a physical layer control channel, and the physical layer control channel includes at least one of the following: a PDCCH and an ePDCCH.
  • step 3 the terminal feeds back a mapping relationship table to the base station to receive an acknowledgement message.
  • the receiving acknowledgement message carries a receiving status indication for indicating whether the terminal successfully receives the mapping relationship table.
  • the receiving status indication indicates that the terminal does not successfully receive the HARQ configuration parameter mapping table
  • the base station may retransmit the mapping relationship table.
  • step 4 the base station sends information indicating which HARQ configuration parameters the terminal uses.
  • the base station sends the HARQ ID to the terminal by using the second control signaling.
  • the HARQ ID is used to indicate which set of HARQ configuration parameters the terminal uses.
  • the terminal may independently select a set of HARQ configuration parameters according to the service type information of the current service and the mapping relationship table.
  • the second control signaling includes one of the following: data link layer control signaling and physical layer control signaling.
  • the data link layer control signaling may be a MAC CE.
  • the physical layer control signaling is sent through a physical layer control channel, and the physical layer control channel includes at least one of the following: a PDCCH and an ePDCCH.
  • step 5 the terminal feeds back to the base station to indicate a reception confirmation message.
  • the receiving confirmation message carries a receiving status indication for indicating whether the terminal successfully receives the second control signaling.
  • the base station may retransmit the second control signaling.
  • FIG. 13 is a schematic flowchart of a HARQ parameter configuration in a DU scenario according to an embodiment.
  • an alternative is to use a method in which the CU and the DU are separated on the base station side.
  • some user plane functions such as user plane functions that are not sensitive to delay requirements
  • some user plane functions such as user plane functions sensitive to delay requirements
  • the transmission delay between the CU and the DU is small (such as ideal fronthaul), and all user plane functions and some physical layer functions can also be placed in the CU.
  • the CU Central Unit
  • the DU exchange information and select and send HARQ configuration parameters.
  • the mapping sent by the CU to the DU is a mapping relationship table corresponding to the service type information and the HARQ configuration parameter, a HARQ configuration parameter, or a mapping relationship between the HARQ configuration parameter and the HARQ ID.
  • the HARQ ID corresponds to different HARQ configuration parameters.
  • step 1 the CU generates configuration information corresponding to the HARQ configuration parameter according to the service type information, and sends the configuration information to the DU.
  • the configuration information includes at least one of the following: a mapping relationship table corresponding to the service type information and the HARQ configuration parameter, a HARQ configuration parameter, and a mapping relationship between the HARQ configuration parameter and the HARQ ID.
  • the CU sends the configuration information to the DU through control signaling.
  • the control signaling includes one of the following: network layer control signaling, data link layer control signaling, and physical layer control signaling.
  • step 2 the DU sends the configuration information to the terminal.
  • the DU receives the mapping relationship table corresponding to the service type information and the HARQ configuration parameter.
  • the DU is connected to the mapping relationship between the HARQ configuration parameter and the HARQ ID.
  • the DU receives at least one of the HARQ configuration parameter and the HARQ ID.
  • the DU sends the foregoing configuration information to the terminal by using control signaling.
  • the control signaling includes at least one of the following: data link layer control signaling and physical layer control signaling.
  • the DU sends the HARQ configuration parameter to the terminal according to at least one of the mapping relationship table and the HARQ ID.
  • the method and device for transmitting and receiving information, the base station, and the terminal can solve the problem that the terminal cannot adapt to the transmission characteristics of multiple services.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé de transmission d'informations, comprenant les étapes consistant à : générer des informations d'indication, les informations d'indication comprenant des paramètres de configuration de demande de répétition automatique hybride (HARQ) correspondant aux informations de type de service des services traités par un terminal ou des informations associées aux paramètres de configuration HARQ ; et transmettre les informations d'indication au terminal, de sorte que le terminal détermine, selon les informations d'indication, les paramètres de configuration HARQ correspondant aux informations de type de service des services traités par le terminal.
PCT/CN2017/108973 2016-11-01 2017-11-01 Procédés et dispositifs de transmission et de réception d'informations, station de base et terminal WO2018082577A1 (fr)

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