WO2021228131A1 - 信息传输方法、装置及电子设备 - Google Patents

信息传输方法、装置及电子设备 Download PDF

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Publication number
WO2021228131A1
WO2021228131A1 PCT/CN2021/093293 CN2021093293W WO2021228131A1 WO 2021228131 A1 WO2021228131 A1 WO 2021228131A1 CN 2021093293 W CN2021093293 W CN 2021093293W WO 2021228131 A1 WO2021228131 A1 WO 2021228131A1
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Prior art keywords
information
transmission
auxiliary
transmitted
indication
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PCT/CN2021/093293
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English (en)
French (fr)
Inventor
刘是枭
纪子超
彭淑燕
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维沃移动通信有限公司
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Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Priority to CA3182918A priority Critical patent/CA3182918A1/en
Priority to MX2022014253A priority patent/MX2022014253A/es
Priority to JP2022567409A priority patent/JP2023524158A/ja
Priority to AU2021269599A priority patent/AU2021269599A1/en
Priority to EP21804914.6A priority patent/EP4152816A4/en
Priority to KR1020227041212A priority patent/KR20230006525A/ko
Priority to BR112022023074A priority patent/BR112022023074A2/pt
Publication of WO2021228131A1 publication Critical patent/WO2021228131A1/zh
Priority to US17/983,182 priority patent/US20230066942A1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/02Selection of wireless resources by user or terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/16Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/26Resource reservation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0014Three-dimensional division
    • H04L5/0016Time-frequency-code
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0014Three-dimensional division
    • H04L5/0023Time-frequency-space
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055Physical resource allocation for ACK/NACK
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057Physical resource allocation for CQI
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0091Signaling for the administration of the divided path
    • H04L5/0094Indication of how sub-channels of the path are allocated
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30Services specially adapted for particular environments, situations or purposes
    • H04W4/40Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453Resources in frequency domain, e.g. a carrier in FDMA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/56Allocation or scheduling criteria for wireless resources based on priority criteria
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/25Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/40Resource management for direct mode communication, e.g. D2D or sidelink
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W92/00Interfaces specially adapted for wireless communication networks
    • H04W92/16Interfaces between hierarchically similar devices
    • H04W92/18Interfaces between hierarchically similar devices between terminal devices

Definitions

  • This application belongs to the field of communication technology, and specifically relates to an information transmission method, device, and electronic equipment.
  • LTE Long Term Evolution
  • LTE sidelink is based on broadcasting for communication. Although it can be used to support the basic security communication of vehicle to everything (V2X), it is not suitable for other more advanced V2X services.
  • the 5G NR (New Radio) system will support more advanced sidelink transmission design, such as unicast, multicast or multicast, etc., so as to support more comprehensive service types.
  • NR V2X defines two resource allocation modes, one is mode 1, which schedules resources for the base station; the other is mode 2, where the terminal decides what resources to use for transmission.
  • the resource information may come from a broadcast message of the base station or pre-configured information. If the terminal works in the range of the base station and has a radio resource control (RRC) connection with the base station, it can be in mode 1 and / mode 2. If the terminal works in the range of the base station but does not have an RRC connection with the base station, it can only work in Mode 2: If the terminal is outside the range of the base station, it can only work in mode 2, and perform V2X transmission according to the pre-configured information.
  • RRC radio resource control
  • the specific working methods are as follows: 1) After the resource selection is triggered, the transmitting terminal first determines the resource selection window. The lower boundary of the resource selection window is at time T1 after the resource selection is triggered, and the upper boundary of resource selection is after the trigger. T2 time, where T2 is the value selected in the data delay (Packet Delay Budget, PDB) of its transport block (Transport Block, TB) implemented by the terminal, and T2 is not earlier than T1. 2) The terminal selects resources in the terminal. Before, the candidate resource set for resource selection (candidate resource set) needs to be determined, and the reference signal received power (RSRP) measured on the resources in the resource selection window is compared with the corresponding RSRP threshold. If RSRP Below the RSRP threshold, the resource can be included in the set of candidate resources. 3) After the resource set is determined, the terminal randomly selects transmission resources from the candidate resource set. In addition, the terminal can reserve transmission resources for the next transmission in this transmission.
  • PDB Packet Delay Budget
  • T2 the value
  • NR V2X supports chained resource reservation, that is to say, one sidelink control information (Sidelink Control Information, SCI) can reserve the current resources and at most two additional resources can be reserved in the next resource , You can indicate two more reserved resources. In the selection window, resources can be continuously reserved in a dynamic reservation method.
  • SCI Sidelink Control Information
  • the reliability and energy consumption utilization rate of the side link is low, and some scenarios with low transmission reliability will appear.
  • some terminals cannot listen to the reservation information of other terminals, resulting in low reliability; due to the problem of hidden nodes, the reserved resources of two very close terminals are the same, resulting in resource collisions.
  • the reliability is low.
  • the purpose of the embodiments of the present application is to provide an information transmission method, device, and electronic equipment, which can solve the problem of low transmission reliability in the existing resource allocation method.
  • an embodiment of the present application provides an information transmission method, which is applied to a first device, and the method includes:
  • the first information is sent to at least one second device; the first information is used to trigger the second device to perform auxiliary information transmission or to use the second device to perform resource selection or reservation.
  • an embodiment of the present application provides an information transmission method, which is applied to a second device, and the method includes:
  • the first information is used to trigger the second device to perform auxiliary information transmission or to use the second device to perform resource selection or reservation.
  • an information transmission device which is applied to a first device, and includes:
  • the first sending module is configured to send first information to at least one second device; the first information is used to trigger the second device to perform auxiliary information transmission or to use the second device to perform resource selection or reservation.
  • an embodiment of the present application provides an information transmission device applied to a second device, including:
  • the first receiving module is configured to receive first information sent by the first device; the first information is used to trigger the second device to perform auxiliary information transmission or to use the second device to perform resource selection or reservation.
  • an embodiment of the present application provides an electronic device that includes a processor, a memory, and a program or instruction that is stored on the memory and can run on the processor.
  • the program or instruction is The processor implements the steps of the method described in the first aspect or the second aspect when executed.
  • an embodiment of the present application provides a readable storage medium that stores a program or instruction on the readable storage medium, and when the program or instruction is executed by a processor, the implementation is as described in the first or second aspect. Steps of the method.
  • an embodiment of the present application provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a program or an instruction to implement the chip as in the first aspect Or the method described in the second aspect.
  • the first information is sent to at least one second device through the first device, and the first information is used to instruct the second device to perform auxiliary information transmission or instruct the second device to perform resource selection or reservation for data transmission. Improve transmission reliability and reduce demodulation complexity.
  • FIG. 1 shows one of the schematic diagrams of the steps of the information transmission method provided by the embodiment of the present application
  • Figure 2 shows a schematic diagram of scenario one provided by an embodiment of the present application
  • FIG. 3 shows a schematic diagram of Scenario 2 provided by an embodiment of the present application
  • FIG. 4 shows a schematic diagram of scenario three provided by an embodiment of the present application.
  • FIG. 5 shows a schematic diagram of scenario four provided by an embodiment of the present application.
  • FIG. 6 shows the second schematic diagram of the steps of the information transmission method provided by the embodiment of the present application.
  • FIG. 7 shows one of the structural schematic diagrams of the information transmission device provided by the embodiment of the present application.
  • FIG. 8 shows the second structural diagram of the information transmission device provided by the embodiment of the present application.
  • Fig. 9 shows a schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • the embodiments of the present application are described below in conjunction with the drawings.
  • the information transmission method, device, and electronic equipment provided in the embodiments of the present application can be applied to a wireless communication system.
  • the wireless communication system may adopt a 5G system, or a long term evolution (Long Term Evolution, LTE) system, or an evolved long term evolution (Evolved Long Term Evolution, eLTE) system, or a subsequent evolved communication system.
  • LTE and NR systems are taken as examples, but it is not limited to this system, and the technical solution provided in this application can be applied to other systems with the same problem.
  • an embodiment of the present application provides an information transmission method, which is applied to a first device, and the method includes:
  • the first information is sent to at least one second device; the first information is used to trigger the second device to perform auxiliary information transmission or to use the second device to perform resource selection or reservation.
  • Scenario 1 as shown in FIG. 2, in the unicast scenario, the first device sends first information to the second device, and the second device selects or reserves resources according to the resources indicated by the first information for data transmission.
  • Scenario 2 as shown in Figure 3, the multicast scenario, multiple first devices in the group send first information to the second device in the group, and the second device performs resource selection or resource reservation based on the resources indicated by the first information (For data transmission); or, the second device transmits auxiliary information according to the resource indicated by the first information.
  • Scenario 3 as shown in Figure 4, the multicast scenario, any device in the group sends first information to any other device in the group, and the device receiving the first information selects or reserves resources according to the resources indicated by the first information (For data transmission); or, the device receiving the first information transmits auxiliary information according to the resource indicated by the first information.
  • Scenario 4 there is a scenario where a control node or control terminal or roadside unit exists.
  • the control node or control terminal or roadside unit sends the first information to the second device, and the device receiving the first information according to the first
  • the resource indicated by the information performs resource selection or resource reservation (for data transmission); or, the device receiving the first information performs auxiliary information transmission according to the resource indicated by the first information.
  • the first device can send the first information to the second device (any other terminal), and the device receiving the first information performs resource selection or resource reservation according to the resources indicated by the first information ( Used for data transmission); or, the device receiving the first information transmits auxiliary information according to the resource indicated by the first information.
  • the first device may determine the first information according to at least one of a control node instruction, a control terminal instruction, a roadside unit RSU instruction, a relay node instruction, a network configuration, and a specific terminal instruction.
  • the first information includes at least one of the following information:
  • the type indication information of the first information is used to indicate whether the first information is trigger information that triggers the transmission of auxiliary information
  • Time information used for the transmission of auxiliary information may indicate a time window within which the second device may send the auxiliary information
  • the identification information of the first information sending end is used to distinguish the first information sending end
  • the identification information of the first information receiving end is used to distinguish the first information receiving end, and may be a group ID, a terminal ID, an ID of a member in a group, or a specific fixed ID;
  • the service information to be transmitted of the first device is not limited to
  • the first information contains the identification information of the first information receiving end, and if the identification information of the first information receiving end is a predefined or high-level configured ID, it corresponds to that all terminals need to receive the first information; if the first information The identification information of the receiving end is the group ID, which corresponds to all members in a specific group need to receive the first information; if the identification information of the first information receiving end is the user ID in the group, it corresponds to a certain group in a specific group A specific member needs to receive the first information; if the identification information of the first information receiving end is a terminal ID, it corresponds to a specific user who needs to receive the first information.
  • the first device may determine the time information for the auxiliary information transmission according to the quality of service QoS parameters or high-level configuration or pre-definition of the service to be transmitted, and indicate it to the second device in the first information.
  • the time domain resource indication information and/or frequency domain resource indication information included in the first information is the time domain resource indication used for auxiliary information transmission Information and/or frequency domain resource indication information. If the first information is not trigger information for triggering auxiliary information transmission, the time domain resource indication information and/or frequency domain resource indication information included in the first information is related information about resources occupied or reserved by the first device.
  • the information of the service to be transmitted of the first device includes at least one of the following:
  • the data rate of the service to be transmitted is the data rate of the service to be transmitted
  • the communication range requirement (Communication Range) value corresponding to the service to be transmitted.
  • the type indication information of the first information is used to indicate at least one of the following:
  • the first information is trigger information used to trigger the transmission of auxiliary information.
  • the first information is carried in target information
  • the target information includes at least one of the following:
  • DCI Downlink Control Information
  • SFCI Sidelink feedback control information
  • the side link control information further includes: first stage side link control information (1st stage SCI) and second stage side link control information (2st stage SCI).
  • the first device in a case where the first device carries the first information through the first-level sidelink control information and/or the second-level sidelink control information,
  • the type indication information is indicated by a first indication field; wherein, each code point in the first indication field corresponds to a kind of The type of the first information; for example, a 1-bit first indicator field is used to indicate, code point 0 represents the trigger information that is not used to trigger the transmission of auxiliary information, and code point 1 represents the trigger information; the second device is based on this Determine whether the first information is trigger information for triggering the transmission of auxiliary information according to the decoding situation of the first indication field;
  • the type indication information is indicated by joint coding with the second indication field; wherein, each code in the second indication field
  • the second indication field is a priority indication field, and when the priority indication field indicates a specific priority, it represents trigger information for triggering the transmission of auxiliary information, and other priorities Represents the trigger information that is not used to trigger the transmission of auxiliary information.
  • the second indicator field is a demodulation reference signal (De-Modulation Reference Signal, DMRS) configuration indicator field.
  • DMRS De-Modulation Reference Signal
  • the configuration representative is not the trigger information used to trigger the transmission of auxiliary information;
  • the type indication information is indicated by the code point of the third indication field; wherein, each code point of the third indication field corresponds to A type of the first information; for example, a specific code point in the third indication field represents trigger information used to trigger auxiliary information transmission, and other code points represent trigger information not used to trigger auxiliary information transmission;
  • the type indication information is implicitly indicated by the code point of the destination ID indication field (destination indication field); for example, the first/last n bits of the destination ID correspond to a fixed value
  • the first information received by the user is the trigger information used to trigger the transmission of auxiliary information; or the first information received by the user corresponding to the value of the first/last n bits of the destination ID in a certain interval is the trigger information used to trigger the transmission of auxiliary information;
  • the trigger information receiving end judges whether the first information is trigger information for triggering the transmission of auxiliary information according to the content of the destination indication field in the second-level SCI;
  • the type indication information is implicitly indicated through a communication range requirement indication field (communication range indication field) and a geographic area ID indication field. For example, if the receiving device judges that the distance from the sending device is greater or smaller than the distance value indicated by the communication range indicator field based on the content of these two indication fields, the first information is the trigger information used to trigger the transmission of auxiliary information; the information receiving end is based on The content of the two indication fields in the second level SCI determines whether the first information is trigger information for triggering the transmission of auxiliary information.
  • the second indication domain and/or the third indication domain include at least one of the following:
  • Priority indicator field Priority indicator field, resource reservation period indicator field, frequency domain resource allocation indicator field, time domain resource allocation indicator field, demodulation reference signal DMRS mode indicator field, second level SCI format indicator field, ⁇ offset indicator field, DMRS Interface quantity indicator field, modulation coding mode indicator field, hybrid automatic repeat reQuest (HARQ) process ID indicator field, new data indicator (NDI) indicator field, redundancy version (redundancy version, RV) ) Indication domain, information source ID (source ID) indication domain, information destination ID (destination ID) indication domain, channel state information CSI requirement indication domain, communication range requirement (communication range) indication domain, zone ID (zone ID) Indicates the domain.
  • the type indication information is indicated by an independent indication field in the first level of SCI.
  • the indication field can be 1 bit in length, and the corresponding two code points are 0 and 1, respectively.
  • Code point 0 corresponds to this information and is not used for trigger assistance.
  • Code point 1 corresponds to the trigger information used to trigger the transmission of auxiliary information.
  • the type indication information is indicated by an independent indication field in the second level SCI.
  • the indication field can be 1 bit in length, and the corresponding two code points are 0 and 1, respectively.
  • Code point 0 corresponds to the information.
  • code point 1 corresponds to the information that is used to trigger the transmission of the auxiliary information.
  • the type indication information may also be coded jointly with other indication fields in the first level SCI to indicate whether the first information is auxiliary information. For example, joint coding instructions with the priority indicator field in the first-level SCI.
  • the existing priority indication field has 3 bits (bits), which correspond to eight code points. Without increasing the number of bits, it is assumed that code point 000 corresponds to priority 1 and indicates that the first information carried in the first-level SCI is Trigger information used to trigger the transmission of auxiliary information, the auxiliary information receiving end can determine whether the first information carried by the first-level SCI is a trigger for triggering the transmission of auxiliary information according to the decoding situation of the priority indication field in the first-level SCI information.
  • the priority indicator field is increased to 4 bits, which corresponds to 16 code points, but still only supports eight priority levels, and each priority indicator corresponds to two code points, for example, priority 8 corresponds to At code points 1110 and 1111, 1110 corresponds to a priority level of 8 and the first-level SCI does not carry trigger information for triggering the transmission of auxiliary information, and 1111 corresponds to a priority level of 8 and the first-level SCI
  • the first information carried is trigger information used to trigger the transmission of auxiliary information.
  • the existing indicator fields also include frequency domain resource allocation indicator field, time domain resource allocation indicator field, resource reservation period indicator field, DMRS mode indicator field, second level SCI format indicator field, beta offset ( ⁇ Offset) indication field, DMRS port quantity indication field, modulation and coding mode indication field, etc.
  • the type indication information may also be coded jointly with other indication fields in the second level SCI to indicate whether the first information is auxiliary information. For example, joint coding instructions with the RV indicator field in the second-level SCI. There are 2 bits in the existing priority indication field, which correspond to four code points. Without increasing the number of bits, it is assumed that code point 00 corresponds to RV version 0 and indicates that the first information carried in the second level SCI is used for triggering. If the auxiliary information transmission trigger information, the information receiving end can determine whether the first information carried by the second-level SCI is trigger information for triggering the auxiliary information transmission according to the decoding situation of the priority indication field in the second-level SCI.
  • the RV indicator field is increased to 3 bits, which corresponds to 8 code points, but still only supports four priority levels, and each priority indicator corresponds to two code points.
  • RV version 0 corresponds to Code points 000 and 001, where 000 corresponds to the RV version of 0 and the first information carried by the second level SCI is not the trigger information used to trigger the transmission of auxiliary information, and 001 corresponds to the RV version of 8 and the second level
  • the first information carried by the SCI is trigger information used to trigger the transmission of auxiliary information.
  • the available indication fields also include HARQ process ID indication field, NDI indication field, communication range indication field, source ID indication field, destination ID indication field, CSI demand indication field, zone ID indication field, etc.
  • the code point reserved for the indicator field is used to indicate the type indication information, and the first information receiver determines whether the first information is used to trigger the transmission of auxiliary information according to the decoding situation of the indicator field in the second level SCI Trigger information.
  • the communication range in the second level SCI indicates the reserved code points in the field.
  • the communication range indication field has a length of 5 bits, and there are several reserved code points.
  • the reserved code point 11111 is used to indicate that the first information carried in the second-level SCI is trigger information for triggering the transmission of auxiliary information.
  • the available indicator fields include HARQ process ID indicator field, NDI indicator field, RV indicator field, source ID indicator field, destination ID indicator field, channel state information (Channel State Information, CSI) demand indicator field, zone ID indicates the domain, etc.
  • the method further includes:
  • the format of the target information indicates whether the first information is used to trigger auxiliary information transmission; for example, a specific SCI or DCI format is used to indicate that the first information is trigger information used to trigger auxiliary information transmission, and the second The device determines the SCI format or the DCI format according to the SCI length or the DCI length, so as to determine whether the first information is trigger information for triggering the transmission of auxiliary information.
  • the target information is the second-level sidelink control information
  • the first information is carried in the second-level sidelink control information in a specific format, and the method further includes:
  • the format of the second-level side-link control information is indicated through a fourth indication field
  • the fourth indication field includes at least one of the following:
  • Priority indicator field Priority indicator field, resource reservation period indicator field, frequency domain resource allocation indicator field, time domain resource allocation indicator field, demodulation reference signal DMRS mode indicator field, second level SCI format indicator field, ⁇ offset indicator field, DMRS Configuration type indication field, modulation and coding mode indication field.
  • the “second-level SCI format” in the first-level SCI indicates a specific code point or a specific 1 bit of the field to indicate whether the first information carried by the second-level SCI is trigger information for triggering the transmission of auxiliary information.
  • a specific or new second-level SCI format is used to carry trigger information for triggering the transmission of auxiliary information
  • the "second-level SCI format" in the first-level SCI indicates the code point of the field or a specific 1 bit. Indicates whether the trigger information used to trigger the transmission of auxiliary information is carried in the second level SCI.
  • the method further includes:
  • the scrambled radio network temporary identifier (RNTI) of the target information indicates whether the first information is trigger information for triggering the transmission of auxiliary information.
  • the method for generating the scrambled RNTI of the target information includes at least one of the following:
  • the method further includes
  • the transmission resource of the first information indicates whether the first information is trigger information for triggering the transmission of auxiliary information.
  • the transmission resource of the first information includes at least one of the following:
  • Resources on a specific subband in the resource pool such as the last n subband resources
  • Resources on specific symbols or specific subframes in the resource pool for example, the resources on the last symbol of each slot; for another example, every n timeslots is a cycle, and the resources on the last time slot of each cycle.
  • the first device uses the first-level sidelink control information and/or the second-level sidelink control information to carry the time domain resource indication information in the first information.
  • the time domain resource indication information is indicated through a fifth indication field; wherein, each code point of the fifth indication field Corresponding to at least one time domain resource indication information, where the time domain resource indication information includes at least one of the start position of the time domain resource, the end position of the time domain resource, and the length of the time domain resource;
  • the fifth indicator field is an independent indicator field, or the fifth indicator field is a jointly coded indicator field.
  • the length of the time domain resource can be a value pre-defined by the protocol/high-level configuration (for example, 1 slot), and can be L slot (time slot)/symbol (symbol)/frame (frame)/sub-frame (sub-frame), each The code point corresponds to the start position and length of a time domain resource.
  • the length of the indication field is N, which can indicate the time domain resource position within 2N+L-1 time units in the future from the current moment.
  • the first device when the first device carries the frequency domain resource indication information in the first information through the first level side link control information and/or the second level side link control information Down,
  • the frequency domain resource indication information is indicated through a sixth indication field; wherein, each code point of the sixth indication field Corresponding to at least one frequency domain resource indication information, where the frequency domain resource indication information includes at least one of a start position of a frequency domain resource, an end position of a frequency domain resource, and a length of the frequency domain resource;
  • the sixth indicator field is an independent indicator field, or the sixth indicator field is a jointly coded indicator field.
  • the time information used for auxiliary information transmission in the first information includes at least one of the following:
  • Delay information used for auxiliary information transmission is not limited to:
  • the method further includes:
  • the QoS parameter of the service to be transmitted includes at least one of the following:
  • the communication range requirements of the service to be transmitted are the communication range requirements of the service to be transmitted.
  • the first device carries time information used for auxiliary information transmission in the first information through the first-level sidelink control information and/or the second-level sidelink control information
  • the time window position information and/or time window length information is indicated by the seventh indicator field; wherein, the information of the seventh indicator field is Each code point corresponds to at least one time window position information and/or time window length information, and the time window position information includes a time window start position and/or a time window end position;
  • the seventh indicator field is an independent indicator field, or the seventh indicator field is a jointly coded indicator field.
  • the first device carries the length information of the time window used for auxiliary information transmission in the first information through the first-level sidelink control information and/or the second-level sidelink control information
  • the time window length information is indicated by an eighth indicator field; each code point of the eighth indicator field corresponds to one The length of the time window;
  • the eighth indicator field is an independent indicator field, or the eighth indicator field is a jointly coded indicator field.
  • the first device carries the delay information used for auxiliary information transmission in the first information through the first-level sidelink control information and/or the second-level sidelink control information
  • a ninth indicator field is used to indicate the delay information used for the transmission of auxiliary information in the first information;
  • Each code point corresponds to a delay value used for auxiliary information transmission;
  • the ninth indicator field is an independent indicator field, or the ninth indicator field is a jointly coded indicator field.
  • the start position information of the time window can be indicated by an independent indicator field in the SCI/DCI, or indicated by the code point reserved by the existing indicator field; it is used to indicate a certain time starting point in a period of time in the future, and each code The point corresponds to the starting position of a time window.
  • the time length information of the time window can also be indicated by an independent indicator field in the SCI/DCI, or the code point indicator reserved by the existing indicator field can be used to indicate the time length.
  • the unit can be slot/ms/symbol/frame/ For sub-frame, each code point corresponds to the length of a time window.
  • a joint coding indication is used to indicate the position of a certain time window within a period of time in the future, and each code point corresponds to the starting position and length of a time window.
  • the time information used for the transmission of auxiliary information can be obtained by associating/mapping the QoS parameters of the data to be transmitted by the first device, and the corresponding QoS parameters can be the delay information of the data to be transmitted, priority information, reliability information, data rate, etc. .
  • the corresponding QoS parameters can be the delay information of the data to be transmitted, priority information, reliability information, data rate, etc. .
  • t is equal to T1;
  • t is equal to n*T1, where n is a number between 0-1;
  • t is equal to T1-T2, where T2 ⁇ T1, and T2 is predefined by the protocol or configured by higher layers;
  • t is equal to 0, which means a period of time starting from the current moment and long L in the future;
  • this correspondence can be It is pre-defined by the protocol, can also be high-level configuration (RRC configuration), or dynamically configured (SCI/DCI/Media Access Control Element (MAC CE) configuration).
  • RRC configuration high-level configuration
  • MAC CE Media Access Control Control Element
  • the QoS parameters are not limited to the above.
  • the transmission delay of auxiliary information can also be associated or mapped with multiple QoS parameters.
  • a priority level and a reliability level can correspond to the transmission delay of an auxiliary information.
  • the corresponding relationship can be pre-defined by the protocol or high-level configuration. (RRC configuration), it can also be dynamically configured (SCI/DCI/MAC CE configuration).
  • the first device carries the service information to be transmitted in the first information through the first-level sidelink control information and/or the second-level sidelink control information
  • the service information to be transmitted is indicated by a tenth indication field;
  • the tenth indication field is an independent indication field, or,
  • the tenth indicator field is an indicator field of joint coding;
  • each code point of the tenth indicator field corresponds to at least one of the following:
  • the communication range requirements of the service to be transmitted are the communication range requirements of the service to be transmitted.
  • each code point corresponds to a data volume, and the unit can be bit/hour extension, ms/slot/symbol/frame/sub-frame/priority level/transmission rate/reliability level/cycle duration, or ms /slot/symbol/frame/sub-frame/distance value, the amount of data corresponding to each code point can be predefined by the protocol or configured by the network, or negotiated and configured between devices.
  • the data volume of the service to be transmitted/the delay information of the service to be transmitted/the priority of the service to be transmitted/the data rate of the service to be transmitted/the reliability of the service to be transmitted/the service period of the service to be transmitted/the range value of the service to be transmitted Both can be indicated by independent indication fields and joint coding indications.
  • TB_size For the amount of data to be transferred (TB_size):
  • the length of the independent indicator field is 2bit, it corresponds to four code points, which can correspond to four different TB_sizes that need to be transmitted, such as code points 00, 01, 10,
  • code points 00, 01, 10 When the TB_size corresponding to 11 is 100bit, 200bit, 400bit, 800bit, and the code point indicated in the indication field is 11, it means that the TB_size to be transmitted is 800bit.
  • code point 000 may correspond to priority 1 and indicate that the TB_size to be transmitted is 100 bits
  • code point 111 may correspond to priority 8 and the TB_size to be transmitted is 800 bits. If the number of bits is increased, for example, the priority indicator field is increased to 4 bits, which corresponds to 16 code points, but still only supports eight priority levels.
  • Each priority indicator can correspond to two code points at the same time, for example, priority 8 corresponds to code points 1110 and 1111, where 1110 corresponds to a priority level of 8 and the TB_size to be transmitted is 1500bit, and 1111 corresponds to a priority level of 8 and the TB_size to be transmitted is 1600bit.
  • the indicator fields that can be jointly coded also include the frequency domain resource allocation indicator field, the time domain resource allocation indicator field, the resource reservation period indicator field, the DMRS pattern indicator field, the 2st stage SCI format indicator field, and the beta offset indicator.
  • DMRS port quantity indicator field DMRS port quantity indicator field, debugging coding mode indicator field; and HARQ process ID indicator field, NDI indicator field, RV indicator field, source ID indicator field, destination ID indicator field, CSI demand indicator field, communication in the 2st stage SCI Range indication domain, zone ID indication domain, etc.
  • the embodiment of the present application sends first information to at least one second device through the first device, and triggers the second device to perform auxiliary information transmission through the first information, or the first information is used by the second device for resource selection or reservation. Can improve transmission reliability.
  • an embodiment of the present application also provides an information transmission method, which is applied to a second device, and the method includes:
  • Step 61 Receive first information sent by the first device; the first information is used to trigger the second device to perform auxiliary information transmission or to use the second device to select or reserve resources.
  • Scenario 1 as shown in FIG. 2, in the unicast scenario, the first device sends first information to the second device, and the second device selects or reserves resources according to the resources indicated by the first information for data transmission.
  • Scenario 2 as shown in Figure 3, the multicast scenario, multiple first devices in the group send first information to the second device in the group, and the second device performs resource selection or resource reservation based on the resources indicated by the first information (For data transmission); or, the second device transmits auxiliary information according to the resource indicated by the first information.
  • Scenario 3 as shown in Figure 4, the multicast scenario, any device in the group sends first information to any other device in the group, and the device receiving the first information selects or reserves resources according to the resources indicated by the first information (For data transmission); or, the device receiving the first information transmits auxiliary information according to the resource indicated by the first information.
  • Scenario 4 there is a scenario where a control node or control terminal or roadside unit exists.
  • the control node or control terminal or roadside unit sends the first information to the second device, and the device receiving the first information according to the first
  • the resource indicated by the information performs resource selection or resource reservation (for data transmission); or, the device receiving the first information performs auxiliary information transmission according to the resource indicated by the first information.
  • the first device can send the first information to the second device (any other terminal), and the device receiving the first information performs resource selection or resource reservation according to the resources indicated by the first information ( Used for data transmission); or, the device receiving the first information transmits auxiliary information according to the resource indicated by the first information.
  • the first information includes at least one of the following information:
  • the type indication information of the first information is used to indicate whether the first information is trigger information for triggering the transmission of auxiliary information
  • Time information used for the transmission of auxiliary information may indicate a time window within which the second device may send the auxiliary information
  • the identification information of the first information sending end is used to distinguish the first information sending end
  • the identification information of the first information receiving end is used to distinguish the first information receiving end, and may be a group ID, a terminal ID, an ID of a member in a group, or a specific fixed ID;
  • the service information to be transmitted of the first device is not limited to
  • the first information contains the identification information of the first information receiving end, and if the identification information of the first information receiving end is a predefined or high-level configured ID, it corresponds to that all terminals need to receive the first information; if the first information The identification information of the receiving end is the group ID, which corresponds to all members in a specific group need to receive the first information; if the identification information of the first information receiving end is the user ID in the group, it corresponds to a certain group in a specific group A specific member needs to receive the first information; if the identification information of the first information receiving end is a terminal ID, it corresponds to a specific user who needs to receive the first information.
  • the time domain resource indication information and/or frequency domain resource indication information included in the first information is the time domain resource indication used for auxiliary information transmission Information and/or frequency domain resource indication information. If the first information is not trigger information for triggering auxiliary information transmission, the time domain resource indication information and/or frequency domain resource indication information included in the first information is related information about resources occupied or reserved by the first device.
  • the information of the service to be transmitted of the first device includes at least one of the following:
  • the data rate of the service to be transmitted is the data rate of the service to be transmitted
  • the communication range requirement (Communication Range) value corresponding to the service to be transmitted.
  • the type indication information of the first information is used to indicate at least one of the following:
  • the first information is trigger information used to trigger the transmission of auxiliary information.
  • the first information is carried in target information
  • the target information includes at least one of the following:
  • the side link control information further includes: first level side link control information and second level side link control information.
  • the first device in a case where the first device carries the first information through the first-level sidelink control information and/or the second-level sidelink control information,
  • the type indication information is indicated by a first indication field; wherein, each code point in the first indication field corresponds to a kind of State the type of the first information;
  • the type indication information is indicated by joint coding with the second indication field; wherein, each code point of the second indication field corresponds to A type of the first information;
  • the type indication information is indicated by the code point of the third indication field; wherein, each code point of the third indication field corresponds to A type of the first information;
  • the type indication information is implicitly indicated by the code point of the information target ID indication field
  • the type indication information is implicitly indicated in the second-level side link control information through a communication range requirement indication field and a geographic area ID indication field.
  • the second indication field and/or the third indication field include at least one of the following:
  • Priority indicator field Priority indicator field, resource reservation period indicator field, frequency domain resource allocation indicator field, time domain resource allocation indicator field, demodulation reference signal DMRS mode indicator field, second level SCI format indicator field, ⁇ offset indicator field, DMRS Interface quantity indicator field, modulation and coding method indicator field, hybrid automatic repeat request HARQ process ID indicator field, new data indicator NDI indicator field, redundancy version RV indicator field, information source ID indicator field, information target ID indicator field, channel Status information CSI requirement indication field, communication range requirement indication field, geographic area identification ID indication field.
  • the method further includes:
  • the scrambled wireless network temporary identifier RNTI of the target information it is determined whether the first information is trigger information for triggering the transmission of auxiliary information.
  • the first information is carried in the second-level sidelink control information in a specific format:
  • the format of the second-level side-link control information is indicated through a fourth indication field
  • the fourth indication field includes at least one of the following:
  • Priority indicator field Priority indicator field, resource reservation period indicator field, frequency domain resource allocation indicator field, time domain resource allocation indicator field, demodulation reference signal DMRS mode indicator field, second level SCI format indicator field, ⁇ offset indicator field, DMRS Configuration type indication field, modulation and coding mode indication field.
  • the method for generating the scrambled RNTI of the target information includes at least one of the following:
  • the method further includes
  • the transmission resource of the first information it is determined whether the first information is trigger information for triggering the transmission of auxiliary information.
  • the transmission resource of the first information includes at least one of the following:
  • the first device carries the first level side link control information and/or the second level side link control information to carry the time domain resource indication used for the auxiliary information transmission in the first information
  • the method further includes:
  • each code point of the fifth indication field Corresponding to at least one time domain resource indication information, where the time domain resource indication information includes at least one of the start position of the time domain resource, the end position of the time domain resource, and the length of the time domain resource;
  • the fifth indicator field is an independent indicator field, or the fifth indicator field is a jointly coded indicator field.
  • the first-level side link control information and/or the second-level side link control information are used to carry the frequency domain resource indication used for auxiliary information transmission in the first information.
  • the first-level side link control information and/or the second-level side link control information are used to carry the frequency domain resource indication used for auxiliary information transmission in the first information.
  • each code point of the sixth indication field Corresponding to at least one frequency domain resource indication information, where the frequency domain resource indication information includes at least one of a start position of a frequency domain resource, an end position of a frequency domain resource, and a length of the frequency domain resource;
  • the sixth indicator field is an independent indicator field, or the sixth indicator field is a jointly coded indicator field.
  • the time information used for auxiliary information transmission in the first information includes at least one of the following:
  • Delay information used for auxiliary information transmission is not limited to:
  • the method further includes:
  • the seventh indication field is Each code point corresponds to at least one time window position information and/or time window length information, and the time window position information includes a time window start position and/or a time window end position;
  • the seventh indicator field is an independent indicator field, or the seventh indicator field is a jointly coded indicator field.
  • the first device carries first-level side link control information and/or second-level side link control information to carry time window length information used for auxiliary information transmission in the first information
  • the method further includes:
  • each code point of the eighth indicator field corresponds to one The length of the time window
  • the eighth indicator field is an independent indicator field, or the eighth indicator field is a jointly coded indicator field.
  • the first device uses the first-level sidelink control information and/or the second-level sidelink control information to carry the delay information used for the auxiliary information transmission in the first information.
  • the method further includes:
  • the delay information used for the transmission of auxiliary information in the first information determines the delay information used for the transmission of auxiliary information in the first information;
  • Each code point corresponds to a delay value used for auxiliary information transmission;
  • the ninth indicator field is an independent indicator field, or the ninth indicator field is a jointly coded indicator field.
  • the Methods when the first device carries service information to be transmitted in the first information through the first-level sidelink control information and/or the second-level sidelink control information, the Methods also include:
  • the tenth indication field is an independent indication field, or, The tenth indicator field is an indicator field of joint coding
  • each code point of the tenth indicator field corresponds to at least one of the following:
  • the communication range requirements of the service to be transmitted are the communication range requirements of the service to be transmitted.
  • the method further includes:
  • the method for determining the type of the first information includes at least one of the following:
  • the method further includes:
  • the first information is trigger information used to trigger the transmission of auxiliary information, perform the transmission of the auxiliary information according to the resource indicated by the first information;
  • the first information is trigger information used to trigger the transmission of auxiliary information, and the identification information of the first information receiving end included in the first information matches the second device, perform the process according to the resource indicated by the first information The transmission of the auxiliary information;
  • the first information is trigger information used to trigger the transmission of auxiliary information, and the distance between the first information receiving end and the first information sending end satisfies a preset condition, proceed according to the resource indicated by the first information The transmission of the auxiliary information;
  • the first information is trigger information used to trigger the transmission of auxiliary information
  • the identifier of the first information receiving end contained in the first information matches the second device, and the first information receiving end is compatible with the first information receiving end.
  • the distance between the information sending ends meets a preset condition, and the auxiliary information is transmitted according to the resource indicated by the first information.
  • the method further includes:
  • the first information is not trigger information used to trigger auxiliary information transmission, perform resource selection or reservation for data transmission according to the resources indicated by the first information;
  • the first information is trigger information used to trigger the transmission of auxiliary information, and the identification information of the first information receiving end contained in the first information does not match the second device, according to the resource indicated by the first information Resource selection or reservation for data transmission;
  • the first information is trigger information for triggering the transmission of auxiliary information, and the distance between the first information receiving end and the first information sending end does not meet a preset condition, the resource indicated by the first information Resource selection or reservation for data transmission;
  • the first information is trigger information used to trigger the transmission of auxiliary information
  • the identifier of the first information receiving end contained in the first information matches the second device, and the first information receiving end is compatible with the first information receiving end.
  • the distance between the information sending ends does not meet the preset condition, and the resource selection or reservation for data transmission is performed according to the resource indicated by the first information.
  • the transmitting the auxiliary information according to the resource indicated by the first information includes:
  • the auxiliary information is transmitted on the resource indicated by the time domain resource indication information and/or the frequency domain resource indication information included in the first information.
  • the transmitting the auxiliary information according to the resource indicated by the first information includes:
  • a transmission resource of the auxiliary information is selected within the time window indicated by the time information and the auxiliary information is transmitted.
  • the resource selection or reservation for data transmission according to the resource indicated by the first information includes:
  • the time domain resource indication information and/or frequency domain resource indication information included in the first information when resource selection or reservation is performed, the time domain resource and/or the frequency domain resource indicated by the time domain resource indication information are excluded.
  • the resource indicated by the domain resource indication information when resource selection or reservation is performed, the time domain resource and/or the frequency domain resource indicated by the time domain resource indication information are excluded.
  • the method for determining the preset condition includes at least one of the following:
  • the high-level configuration is determined.
  • auxiliary information transmitted by the second device carries the identifier of the auxiliary information receiving end
  • the identifier of the auxiliary information receiving end is the same as the identifier of the first information sending end in the first information.
  • the first information is trigger information used to trigger the transmission of auxiliary information
  • the first information carries information about the resources of the service to be transmitted of the first device
  • resources are selected for the service to be transmitted of the first device, and the resources used for data transmission in the first device are indicated through the auxiliary information.
  • the embodiment of this application has made a small part of the changes on the basis of the original resource allocation, the signaling level is changed little, and it has good compatibility.
  • the type indication information of the first information is introduced to distinguish whether the first information is trigger information for auxiliary information transmission.
  • the information receiving end needs to decode and calculate according to the indication information of the resource time-frequency domain position in the information when the resource is reserved. Resource location, and exclude these resources; if the information is used to trigger the transmission of auxiliary information, and the receiving end ID carried in the information matches its own ID, the information receiving end needs to be based on this information during resource reservation.
  • the indication information of the time-frequency domain position of the resource in the information is decoded to calculate the resource position, and the auxiliary information is transmitted on the decoded resource position. Therefore, regardless of whether the information is used to trigger the transmission of auxiliary information, it will not be wasted or cause inconsistent understanding at the receiving and transmitting ends, so the introduction of the indicator field can be well compatible with the existing resource allocation mechanism.
  • the service information to be transmitted contained in the trigger information used to trigger the transmission of auxiliary information is suitable for the receiving end of the trigger information used for the transmission of auxiliary information to select resources, including how large resources need to be selected and in what time period to select the resources, The receiving end can select the best and optimal resources according to these instructions to improve the utilization of system resources.
  • the information received by the second device contains both the first identification of whether the information is auxiliary information and the second identification of the trigger information for triggering the auxiliary transmission
  • different behaviors of the second device are:
  • the information received by the second device contains both the first identifier and the second identifier, and they are indicated in different indication fields.
  • the first identifier indication field indicates that the information is not trigger information for triggering the transmission of auxiliary information
  • the second identifier indication field indicates that the information is auxiliary information
  • the information may be referred to as auxiliary information. If the receiving end ID carried in the information matches the signaling receiving end ID, the information receiving end needs to decode and calculate the resource location according to the resource indication related information in the information when resource reservation, and list them as candidate resources Or directly reserve these resources for data transmission.
  • the information received by the second device contains both the first identifier and the second identifier, and they are indicated in different indication fields.
  • the first identifier indication field indicates that the information is not trigger information for triggering the transmission of auxiliary information
  • the second identifier indication field indicates that the information is auxiliary information
  • the information may be referred to as auxiliary information. If the receiving end ID carried in the information does not match the signaling receiving end ID, the information receiving end needs to decode and calculate the resource location according to the resource indication related information in the information when selecting or reserving resources, and exclude them .
  • the information received by the second device contains both the first identifier and the second identifier, and they are indicated in different indication fields.
  • the first identifier indication field indicates that the information is trigger information for triggering the transmission of auxiliary information
  • the second identifier indication field indicates that the information is not auxiliary information
  • the information can be referred to as trigger information for triggering the transmission of auxiliary information.
  • the receiving end ID carried in the information matches the signaling receiving end ID, the information receiving end needs to decode and calculate the resource location according to the resource indication related information in the information when resource reservation, and list them as candidate resources Or directly reserve these resources for auxiliary information transmission.
  • the information received by the second device contains both the first identifier and the second identifier, and they are indicated in different indication fields.
  • the first identifier indication field indicates that the information is trigger information for triggering the transmission of auxiliary information
  • the second identifier indication field indicates that the information is not auxiliary information
  • the information can be referred to as trigger information for triggering the transmission of auxiliary information.
  • the receiving end ID carried in the information does not match the signaling receiving end ID, the information receiving end needs to decode and calculate the resource location according to the resource indication related information in the information when selecting or reserving resources, and exclude them .
  • the information received by the second device contains both the first identifier and the second identifier, and they are indicated in different indication fields.
  • the first identifier indication field indicates that the information is not used to trigger the transmission of auxiliary information
  • the second identifier indication field indicates that the information is not auxiliary information
  • the information receiving end needs to select or reserve resources according to the information.
  • the resource in the information indicates that the relevant information decodes and calculates the resource location, and excludes them.
  • the information received by the second device contains both the first identifier and the second identifier, and they are indicated in the same indication field.
  • the indication field indicates that the information is auxiliary information
  • the information can be called auxiliary information. If the receiving end ID carried in the information matches the signaling receiving end ID, the information receiving end needs to decode and calculate the resource location according to the resource indication related information in the information when resource reservation, and list them as candidate resources Or directly reserve these resources for data transmission.
  • the information received by the second device contains both the first identifier and the second identifier, and they are indicated in the same indication field.
  • the indication field indicates that the information is auxiliary information
  • the information can be called auxiliary information. If the receiving end ID carried in the information does not match the signaling receiving end ID, the information receiving end needs to decode and calculate the resource location according to the resource indication related information in the information when selecting or reserving resources, and exclude them .
  • the information received by the second device contains both the first identifier and the second identifier, and they are indicated in the same indication field.
  • the indication field indicates that the information is trigger information used to trigger the transmission of auxiliary information
  • the information may be referred to as trigger information used to trigger the transmission of auxiliary information. If the receiving end ID carried in the information matches the signaling receiving end ID, the information receiving end needs to decode and calculate the resource location according to the resource indication related information in the information when resource reservation, and list them as candidate resources Or directly reserve these resources to assist the user in information transmission.
  • the information received by the second device contains both the first identifier and the second identifier, and they are indicated in the same indication field.
  • the indication field indicates that the information is trigger information used to trigger the transmission of auxiliary information
  • the information may be referred to as trigger information used to trigger the transmission of auxiliary information. If the receiving end ID carried in the information does not match the signaling receiving end ID, the information receiving end needs to decode and calculate the resource location according to the resource indication related information in the information when selecting or reserving resources, and exclude them .
  • the information receiver needs to decode and calculate the resource location according to the resource indication related information in the information when selecting or reserving resources, and Eliminate them.
  • the information received by the second device contains both the first identifier of whether the information is auxiliary information and the second identifier of whether the information triggers the auxiliary transmission trigger information:
  • the first identifier and the second identifier are indicated by the same indication field in the first level SCI.
  • the length of the indication field can be 2 bits, and the corresponding code points are 00, 01, 10, 11, and a code point (for example, 01) Used to indicate that the information is trigger information for auxiliary information transmission, select a code point (for example, 10) to indicate that the information is auxiliary information, and select a code point (for example, 00) to indicate that the information does not carry auxiliary information It also does not carry trigger information for auxiliary information transmission.
  • the first identifier and the second identifier are indicated by the same indication field in the second level SCI
  • the length of the indication field can be 2 bits
  • the corresponding code points are 00, 01, 10, 11, and a code point is selected from them (E.g. 01) is used to indicate that the information is trigger information for auxiliary information transmission
  • a code point e.g. 10
  • a code point e.g. 00
  • the auxiliary information also does not carry trigger information for auxiliary information transmission.
  • the first device is used to send first information to at least one second device, and the first information is used to instruct the second device to perform auxiliary information transmission or instruct the second device to perform resource selection or reservation for data transmission, Modifications to the original resource allocation scheme and signaling level are small, with good compatibility, which can reduce the demodulation complexity of the second device and reduce system overhead.
  • an embodiment of the present application further provides an information transmission apparatus 700, which is applied to a first device, and includes:
  • the first sending module 701 is configured to send first information to at least one second device; the first information is used to trigger the second device to perform auxiliary information transmission or for the second device to perform resource selection or reservation .
  • the first information includes at least one of the following information:
  • the service information to be transmitted of the first device is not limited to
  • the information of the service to be transmitted of the first device includes at least one of the following:
  • the data rate of the service to be transmitted is the data rate of the service to be transmitted
  • the demand value of the communication range corresponding to the service to be transmitted is the demand value of the communication range corresponding to the service to be transmitted.
  • the first information is carried in target information
  • the target information includes at least one of the following:
  • the side link control information further includes: first level side link control information and second level side link control information.
  • the type indication information of the first information is used to indicate at least one of the following:
  • the first information is trigger information used to trigger the transmission of auxiliary information.
  • the first device in the case where the first device carries the first information through the first-level sidelink control information and/or the second-level sidelink control information,
  • the type indication information is indicated by a first indication field; wherein, each code point in the first indication field corresponds to a kind of State the type of the first information;
  • the type indication information is indicated by joint coding with the second indication field; wherein, each code point of the second indication field corresponds to A type of the first information;
  • the type indication information is indicated by the code point of the third indication field; wherein, each code point of the third indication field corresponds to A type of the first information;
  • the type indication information is implicitly indicated by the code point of the information target ID indication field
  • the type indication information is implicitly indicated in the second-level side link control information through a communication range requirement indication field and a geographic area ID indication field.
  • the second indication field and/or the third indication field include at least one of the following:
  • Priority indicator field Priority indicator field, resource reservation period indicator field, frequency domain resource allocation indicator field, time domain resource allocation indicator field, demodulation reference signal DMRS mode indicator field, second level SCI format indicator field, ⁇ offset indicator field, DMRS Interface quantity indicator field, modulation and coding method indicator field, hybrid automatic repeat request HARQ process ID indicator field, new data indicator NDI indicator field, redundancy version RV indicator field, information source ID indicator field, information target ID indicator field, channel Status information CSI requirement indication field, communication range requirement indication field, geographic area identification ID indication field.
  • the The device when the target information is at least one of first-level side link control information, second-level side link control information, and downlink control information, the The device also includes:
  • the first indication module is configured to indicate whether the first information is trigger information for triggering the transmission of auxiliary information through the format of the target information;
  • the scrambled radio network temporary identifier RNTI used for indicating whether the first information is trigger information for triggering the transmission of auxiliary information through the scrambled wireless network of the target information.
  • the target information is the second-level sidelink control information
  • the first information is carried in the second-level sidelink control information in a specific format
  • the device also includes:
  • a second indication module configured to indicate the format of the second-level side-link control information through a fourth indication field in the first-level side-link control information
  • the fourth indication field includes at least one of the following:
  • Priority indicator field Priority indicator field, resource reservation period indicator field, frequency domain resource allocation indicator field, time domain resource allocation indicator field, demodulation reference signal DMRS mode indicator field, second level SCI format indicator field, ⁇ offset indicator field, DMRS Configuration type indication field, modulation and coding mode indication field.
  • the method for generating the scrambled RNTI of the target information includes at least one of the following:
  • the device further includes
  • the third indication module is configured to indicate whether the first information is trigger information for triggering the transmission of auxiliary information through the transmission resource of the first information.
  • the transmission resource of the first information includes at least one of the following:
  • the first device carries the time domain resource indication information in the first information through the first level side link control information and/or the second level side link control information in the case of,
  • the time domain resource indication information is indicated through a fifth indication field; wherein, each code point of the fifth indication field Corresponding to at least one time domain resource indication information, where the time domain resource indication information includes at least one of the start position of the time domain resource, the end position of the time domain resource, and the length of the time domain resource;
  • the fifth indicator field is an independent indicator field, or the fifth indicator field is a jointly coded indicator field.
  • the first device carries the frequency domain resource indication information in the first information through the first level side link control information and/or the second level side link control information.
  • the frequency domain resource indication information is indicated through a sixth indication field; wherein, each code point of the sixth indication field Corresponding to at least one frequency domain resource indication information, where the frequency domain resource indication information includes at least one of a start position of a frequency domain resource, an end position of a frequency domain resource, and a length of the frequency domain resource;
  • the sixth indicator field is an independent indicator field, or the sixth indicator field is a jointly coded indicator field.
  • the time information used for auxiliary information transmission in the first information includes at least one of the following:
  • Delay information used for auxiliary information transmission is not limited to:
  • the device further includes:
  • the information determining module is used to determine the time information for auxiliary information transmission according to the QoS parameter mapping, or pre-defined, or high-level configuration of the service to be transmitted; wherein, the QoS parameters of the service to be transmitted include at least the following one:
  • the communication range requirements of the service to be transmitted are the communication range requirements of the service to be transmitted.
  • the first device carries the first information through the first-level sidelink control information and/or the second-level sidelink control information and is used for auxiliary information transmission In the case of time information,
  • the time window position information and/or time window length information is indicated by the seventh indicator field; wherein, the information of the seventh indicator field is Each code point corresponds to at least one time window position information and/or time window length information, and the time window position information includes a time window start position and/or a time window end position;
  • the seventh indicator field is an independent indicator field, or the seventh indicator field is a jointly coded indicator field.
  • the first device carries the first information through the first-level sidelink control information and/or the second-level sidelink control information and is used for auxiliary information transmission
  • time window length information In the case of time window length information
  • the time window length information is indicated by an eighth indicator field; each code point of the eighth indicator field corresponds to one The length of the time window;
  • the eighth indicator field is an independent indicator field, or the eighth indicator field is a jointly coded indicator field.
  • the first device carries the first information through the first-level sidelink control information and/or the second-level sidelink control information and is used for auxiliary information transmission In the case of delay information,
  • a ninth indicator field is used to indicate the delay information used for the transmission of auxiliary information in the first information;
  • Each code point corresponds to a delay value used for auxiliary information transmission;
  • the ninth indicator field is an independent indicator field, or the ninth indicator field is a jointly coded indicator field.
  • the first device uses the first-level sidelink control information and/or the second-level sidelink control information to carry information about the service to be transmitted in the first information.
  • the service information to be transmitted is indicated by a tenth indication field;
  • the tenth indication field is an independent indication field, or,
  • the tenth indicator field is an indicator field of joint coding;
  • each code point of the tenth indicator field corresponds to at least one of the following:
  • the communication range requirements of the service to be transmitted are the communication range requirements of the service to be transmitted.
  • the information transmission device provided in the embodiment of the present application can implement each process implemented by the information transmission device in the method embodiments of FIG. 1 to FIG.
  • the first device is used to send the first information to at least one second device, and the first information is used to instruct the second device to perform auxiliary information transmission or instruct the second device to perform data transmission resource selection or reservation.
  • the resource allocation scheme and the signaling level modification of the NASDAQ are small, have good compatibility, can reduce the demodulation complexity of the second device, and reduce the system overhead.
  • the application embodiment also provides an information transmission apparatus 800, which is applied to a second device, and includes:
  • the first receiving module 801 is configured to receive first information sent by a first device; the first information is used to trigger the second device to perform auxiliary information transmission or to use the second device to perform resource selection or reservation.
  • the first information includes at least one of the following information:
  • Type indication information of the first information
  • the service information to be transmitted of the first device is not limited to
  • the information of the service to be transmitted of the first device includes at least one of the following:
  • the data rate of the service to be transmitted is the data rate of the service to be transmitted
  • the demand value of the communication range corresponding to the service to be transmitted is the demand value of the communication range corresponding to the service to be transmitted.
  • the first information is carried in target information
  • the target information includes at least one of the following:
  • the side link control information further includes: first level side link control information and second level side link control information.
  • the type indication information of the first information is used to indicate at least one of the following:
  • the first information is trigger information used to trigger the transmission of auxiliary information.
  • the device further includes:
  • a type determining module configured to determine the type of the first information
  • the method for determining the type of the first information includes at least one of the following:
  • the device further includes:
  • the first transmission module is configured to, if the first information is trigger information for auxiliary information transmission, perform the transmission of the auxiliary information according to the resource indicated by the first information;
  • the first information is trigger information for auxiliary information transmission
  • the identification information of the first information receiving end included in the first information matches the second device, indicate according to the first information To perform the transmission of the auxiliary information
  • the first information is trigger information for auxiliary information transmission, and the distance between the first information receiving end and the first information sending end meets a preset condition, according to the first information indication To perform the transmission of the auxiliary information;
  • the first information is trigger information for auxiliary information transmission
  • the identifier of the first information receiving end included in the first information matches the second device, and the first information receiving end The distance from the first information sending end meets a preset condition, and the auxiliary information is transmitted according to the resource indicated by the first information.
  • the device further includes:
  • a resource processing module configured to perform resource selection or reservation for data transmission according to the resource indicated by the first information if the first information is not trigger information for auxiliary information transmission;
  • the first information is trigger information for auxiliary information transmission, and the identification information of the first information receiving end contained in the first information does not match the second device, according to the first information Resource selection or reservation for the indicated resource for data transmission;
  • the first information is trigger information for auxiliary information transmission, and the distance between the first information receiving end and the first information sending end does not meet a preset condition, according to the first information Resource selection or reservation for the indicated resource for data transmission;
  • the first information is trigger information for auxiliary information transmission
  • the identifier of the first information receiving end included in the first information matches the second device, and the first information receiving end
  • the distance from the sending end of the first information does not satisfy a preset condition, and resource selection or reservation for data transmission is performed according to the resource indicated by the first information.
  • the first transmission module includes:
  • the first transmission submodule is configured to transmit the auxiliary information on the resources indicated by the time domain resource indication information and/or the frequency domain resource indication information included in the first information.
  • the first transmission module includes:
  • the second transmission submodule is configured to select a transmission resource of the auxiliary information and transmit the auxiliary information within the time window indicated by the time information according to the time information used for the transmission of the auxiliary information contained in the first information.
  • the resource processing module includes:
  • the resource processing sub-module is configured to exclude the time domain indicated by the time domain resource indication information when selecting or reserving resources according to the time domain resource indication information and/or frequency domain resource indication information contained in the first information Resources and/or resources indicated by the frequency domain resource indication information.
  • the method for determining the preset condition includes at least one of the following:
  • the high-level configuration is determined.
  • auxiliary information transmitted by the second device carries the identifier of the auxiliary information receiving end
  • the identifier of the auxiliary information receiving end is the same as the identifier of the first information sending end in the first information.
  • the first information is trigger information used to trigger the transmission of auxiliary information
  • the first information carries information about the resources of the service to be transmitted of the first device ;
  • the device also includes:
  • the resource determination module is configured to select resources for the service to be transmitted of the first device according to the service information to be transmitted of the first device, and indicate the resource used for data transmission in the first device through the auxiliary information .
  • the information transmission device provided in the embodiment of the present application can implement each process implemented by the information transmission device in the method embodiments of FIG. 2 to FIG.
  • the first device is used to send the first information to at least one second device, and the first information is used to instruct the second device to perform auxiliary information transmission or instruct the second device to perform data transmission resource selection or reservation.
  • the resource allocation scheme and the signaling level modification of the NASDAQ are small, have good compatibility, can reduce the demodulation complexity of the second device, and reduce the system overhead.
  • the information transmission device in the embodiment of the present application may be a device, or a component, an integrated circuit, or a chip in a terminal.
  • the device can be a mobile electronic device or a non-mobile electronic device.
  • the mobile electronic device may be a mobile phone, a tablet computer, a notebook computer, a handheld computer, a vehicle electronic device, a wearable device, an ultra-mobile personal computer (UMPC), a netbook, or a personal digital assistant (personal digital assistant).
  • UMPC ultra-mobile personal computer
  • netbook or a personal digital assistant (personal digital assistant).
  • PDA personal digital assistant
  • non-mobile electronic devices can be servers, network attached storage (NAS), personal computers (PC), televisions (television, TV), teller machines or self-service machines, etc., this application
  • NAS network attached storage
  • PC personal computers
  • TV televisions
  • teller machines or self-service machines etc.
  • the information transmission device in the embodiment of the present application may be a device with an operating system.
  • the operating system may be an Android operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiment of the present application.
  • an embodiment of the present application further provides an electronic device, including a processor, a memory, and a program or instruction that is stored in the memory and can run on the processor.
  • the program or instruction implements the foregoing when the program or instruction is executed by the processor.
  • Each process of the embodiment of the information transmission method can achieve the same technical effect. In order to avoid repetition, it will not be repeated here.
  • the electronic devices in the embodiments of the present application include the above-mentioned mobile electronic devices and non-mobile electronic devices.
  • FIG. 9 is a schematic diagram of the hardware structure of an electronic device (a first device and/or a second device) that implements each embodiment of the present application.
  • the electronic device 900 includes but is not limited to: a radio frequency unit 901, a network module 902, an audio output unit 903, an input unit 904, a sensor 905, a display unit 906, a user input unit 907, an interface unit 908, a memory 909, a processor 910, etc. part.
  • the electronic device 900 may also include a power source (such as a battery) for supplying power to various components.
  • the power source may be logically connected to the processor 910 through a power management system, so that the power management system can manage charging, discharging, and power management. Consumption management and other functions.
  • the structure of the electronic device shown in FIG. 9 does not constitute a limitation on the electronic device.
  • the electronic device may include more or less components than those shown in the figure, or some components may be combined, or different component arrangements, which will not be repeated here. .
  • the radio frequency unit 901 is used to send first information to at least one second device; the first information is used to trigger the second device to perform auxiliary information transmission or to use the second device to select or reserve resources ;
  • the radio frequency unit 901 is configured to receive first information sent by the first device; the first information is used to trigger the second device to perform auxiliary information transmission or to use the second device to perform resource selection or reservation.
  • the first device is used to send the first information to at least one second device, and the first information is used to instruct the second device to perform auxiliary information transmission or instruct the second device to perform data transmission resource selection or reservation.
  • the resource allocation scheme and the signaling level modification of the NASDAQ are small, have good compatibility, can reduce the demodulation complexity of the second device, and reduce the system overhead.
  • the radio frequency unit 901 can be used for receiving and sending signals in the process of sending and receiving information or talking. Specifically, after receiving the downlink data from the base station, it is processed by the processor 910; Uplink data is sent to the base station.
  • the radio frequency unit 901 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 901 can also communicate with the network and other devices through a wireless communication system.
  • the electronic device provides users with wireless broadband Internet access through the network module 902, such as helping users to send and receive emails, browse web pages, and access streaming media.
  • the audio output unit 903 can convert the audio data received by the radio frequency unit 901 or the network module 902 or stored in the memory 909 into an audio signal and output it as sound. Moreover, the audio output unit 903 may also provide audio output related to a specific function performed by the electronic device 900 (for example, call signal reception sound, message reception sound, etc.).
  • the audio output unit 903 includes a speaker, a buzzer, a receiver, and the like.
  • the input unit 904 is used to receive audio or video signals.
  • the input unit 904 may include a graphics processing unit (GPU) 9041 and a microphone 9042.
  • the graphics processor 9041 is configured to provide an image of a still picture or video obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode.
  • the data is processed.
  • the processed image frame may be displayed on the display unit 906.
  • the image frame processed by the graphics processor 9041 may be stored in the memory 909 (or other storage medium) or sent via the radio frequency unit 901 or the network module 902.
  • the microphone 9042 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 a mobile communication base station via the radio frequency unit 901 for output in the case of a telephone call mode.
  • the electronic device 900 further includes at least one sensor 905, 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 9061 according to the brightness of the ambient light.
  • the proximity sensor can close the display panel 9061 and the display panel 9061 when the electronic device 900 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 the posture of electronic devices (such as horizontal and vertical screen switching, related games) , Magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tap), etc.; sensor 905 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 906 is used to display information input by the user or information provided to the user.
  • the display unit 906 may include a display panel 9061, and the display panel 9061 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 907 may be used to receive input numeric or character information, and generate key signal input related to user settings and function control of the electronic device.
  • the user input unit 907 includes a touch panel 9071 and other input devices 9072.
  • the touch panel 9071 also called a touch screen, can collect the user's 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 9071 or near the touch panel 9071. operate).
  • the touch panel 9071 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 910, the command sent by the processor 910 is received and executed.
  • the touch panel 9071 can be implemented in multiple types such as resistive, capacitive, infrared, and surface acoustic wave.
  • the user input unit 907 may also include other input devices 9072.
  • other input devices 9072 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 9071 can be overlaid on the display panel 9061.
  • the touch panel 9071 detects a touch operation on or near it, it transmits it to the processor 910 to determine the type of the touch event, and then the processor 910 responds to the touch The type of event provides corresponding visual output on the display panel 9061.
  • the touch panel 9071 and the display panel 9061 are used as two independent components to implement the input and output functions of the electronic device, in some embodiments, the touch panel 9071 and the display panel 9061 can be integrated
  • the implementation of the input and output functions of the electronic device is not specifically limited here.
  • the interface unit 908 is an interface for connecting an external device and the electronic device 900.
  • 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 (I/O) port, video I/O port, headphone port, etc.
  • the interface unit 908 can 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 electronic device 900 or can be used to connect the electronic device 900 to an external device. Transfer data between devices.
  • the memory 909 can be used to store software programs and various data.
  • the memory 909 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 created by the use of mobile phones (such as audio data, phone book, etc.), etc.
  • the memory 909 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 910 is the control center of the electronic device, which uses various interfaces and lines to connect the various parts of the entire electronic device, runs or executes software programs and/or modules stored in the memory 909, and calls data stored in the memory 909 , Perform various functions of electronic equipment and process data, so as to monitor the electronic equipment as a whole.
  • the processor 910 may include one or more processing units; preferably, the processor 910 may integrate an application processor and a modem processor, where the application processor mainly processes the operating system, user interface, application programs, etc., and the modem The processor mainly deals with wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 910.
  • the electronic device 900 may also include a power source (such as a battery) for supplying power to various components.
  • a power source such as a battery
  • the power source may be logically connected to the processor 910 through a power management system, so that functions such as charging, discharging, and power management can be managed through the power management system. .
  • the electronic device 900 includes some functional modules that are not shown, which will not be repeated here.
  • the embodiment of the present application also provides a readable storage medium with a program or instruction stored on the readable storage medium.
  • the program or instruction is executed by a processor, each process of the above-mentioned information transmission method embodiment is realized, and the same can be achieved. In order to avoid repetition, I won’t repeat them here.
  • the processor is the processor in the electronic device described in the foregoing embodiment.
  • the readable storage medium includes a computer readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disks, or optical disks.
  • An embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a program or an instruction to implement the above-mentioned information transmission method embodiment
  • the chip includes a processor and a communication interface
  • the communication interface is coupled to the processor
  • the processor is used to run a program or an instruction to implement the above-mentioned information transmission method embodiment
  • chips mentioned in the embodiments of the present application may also be referred to as system-level chips, system-on-chips, system-on-chips, or system-on-chips.
  • the method of the above embodiments can be implemented by means of software plus the necessary general hardware platform. Of course, it can also be implemented by hardware, but in many cases the former is better. ⁇
  • the technical solution of this application essentially or the part that contributes to the existing technology can be embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, The optical disc) includes several instructions to make a terminal (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of the present application.

Abstract

本申请公开了一种信息传输方法、装置及电子设备,该信息传输方法包括:向至少一个第二设备发送第一信息;所述第一信息用于触发所述第二设备进行辅助信息传输或用于所述第二设备进行资源选择或预留。

Description

信息传输方法、装置及电子设备
相关申请的交叉引用
本申请主张在2020年5月12日在中国提交的中国专利申请号No.202010399529.0的优先权,其全部内容通过引用包含于此。
技术领域
本申请属于通信技术领域,具体涉及一种信息传输方法、装置及电子设备。
背景技术
长期演进(Long Term Evolution,LTE)系统支持旁链路(sidelink,或译为副链路,侧链路,边链路等)传输,即终端(User Equipment,UE)之间直接在物理层上进行数据传输。LTE sidelink是基于广播进行通讯的,虽然可用于支持车联网(vehicle to everything,V2X)的基本安全类通信,但不适用于其他更高级的V2X业务。5G NR(New Radio)系统将支持更加先进的sidelink传输设计,例如,单播,多播或组播等,从而可以支持更全面的业务类型。
NR V2X定义了两种资源分配模式,一种是模式1,为基站调度资源;另一种是模式2,终端自己决定使用什么资源进行传输。此时资源信息可能来自基站的广播消息或者预配置的信息。终端如果工作在基站范围内并且与基站有无线资源控制(Radio Resource Control,RRC)连接,可以是模式1和/模式2;终端如果工作在基站范围内但与基站没有RRC连接,只能工作在模式2;如果终端在基站范围外,那么只能工作在模式2,根据预配置的信息来进行V2X传输。
对于模式2,具体的工作方式如下:1)发射终端在资源选择被触发后,首先确定资源选择窗口,资源选择窗口的下边界在资源选择触发后的T1时间,资源选择的上边界在触发后的T2时间,其中T2是终端实现的方式在其传输块(Transport Block,TB)传输的数据时延(Packet Delay Budget,PDB)内选择的值,T2不早于T1。2)终端在资源选择的之前,需要确定资源选择 的备选资源集合(candidate resource set),根据资源选择窗口内的资源上测量的参考信号接收功率(Reference Signal Receiving Power,RSRP)与相应的RSRP门限做对比,如果RSRP低于RSRP门限,那么该资源可以纳入备选资源集合。3)资源集合确定后,终端随机在备选资源集合中选择传输资源。另外,终端在本次传输可以为接下来的传输预留传输资源。
且NR V2X支持链式的资源预留方式,也就是说,一个旁链路控制信息(Sidelink Control Information,SCI)可以预留当前的资源最多可以在额外的预留两个资源,在下一个资源中,可以再指示两个预留资源。在选择窗内,可以采用动态预留的方式持续预留资源。
受限于现有的资源分配方式,旁链路的可靠性和能耗使用率较低,会出现一些传输可靠性不高的场景。例如,在半双工的限制下一些终端不能监听到其他终端的预留信息,导致可靠性较低;由于隐藏节点的问题导致两个距离很近的终端的预留资源相同,导致资源碰撞,可靠性较低。
发明内容
本申请实施例的目的是提供一种信息传输方法、装置及电子设备,能够解决现有的资源分配方式存在的传输可靠性不高的问题。
为了解决上述技术问题,本申请是这样实现的:
第一方面,本申请实施例提供了一种信息传输方法,应用于第一设备,所述方法包括:
向至少一个第二设备发送第一信息;所述第一信息用于触发所述第二设备进行辅助信息传输或用于所述第二设备进行资源选择或预留。
第二方面,本申请实施例提供了一种信息传输方法,应用于第二设备,所述方法包括:
接收第一设备发送的第一信息;所述第一信息用于触发所述第二设备进行辅助信息传输或用于所述第二设备进行资源选择或预留。
第三方面,本申请实施例提供了一种信息传输装置,应用于第一设备,包括:
第一发送模块,用于向至少一个第二设备发送第一信息;所述第一信息 用于触发所述第二设备进行辅助信息传输或用于所述第二设备进行资源选择或预留。
第四方面,本申请实施例提供了一种信息传输装置,应用于第二设备,包括:
第一接收模块,用于接收第一设备发送的第一信息;所述第一信息用于触发所述第二设备进行辅助信息传输或用于所述第二设备进行资源选择或预留。
第五方面,本申请实施例提供了一种电子设备,该电子设备包括处理器、存储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或指令,所述程序或指令被所述处理器执行时实现如第一方面或第二方面所述的方法的步骤。
第六方面,本申请实施例提供了一种可读存储介质,所述可读存储介质上存储程序或指令,所述程序或指令被处理器执行时实现如第一方面或第二方面所述的方法的步骤。
第七方面,本申请实施例提供了一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行程序或指令,实现如第一方面或第二方面所述的方法。
在本申请实施例中,通过第一设备向至少一个第二设备发送第一信息,通过第一信息指示第二设备进行辅助信息传输或指示第二设备进行数据传输的资源选择或预留,能够提高传输可靠性和降低解调复杂度。
附图说明
图1表示本申请实施例提供的信息传输方法的步骤示意图之一;
图2表示本申请实施例提供的场景一的示意图;
图3表示本申请实施例提供的场景二的示意图;
图4表示本申请实施例提供的场景三的示意图;
图5表示本申请实施例提供的场景四的示意图;
图6表示本申请实施例提供的信息传输方法的步骤示意图之二;
图7表示本申请实施例提供的信息传输装置的结构示意图之一;
图8表示本申请实施例提供的信息传输装置的结构示意图之二;
图9表示本申请实施例提供的电子设备的结构示意图。
具体实施方式
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象,而不用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换,以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施。此外,说明书以及权利要求中“和/或”表示所连接对象的至少其中之一,字符“/”,一般表示前后关联对象是一种“或”的关系。
下面结合附图介绍本申请的实施例。本申请实施例提供的信息传输方法、装置及电子设备可以应用于无线通信系统中。该无线通信系统可以为采用5G系统,或者长期演进(Long Term Evolution,LTE)系统,或者演进型长期演进(Evolved Long Term Evolution,eLTE)系统,或者后续演进通信系统。本申请实施例中以LTE以及NR系统为例,然不限于此系统,本申请提供的技术方案可以应用于存在相同问题的其他系统。
下面结合附图,通过具体的实施例及其应用场景对本申请实施例提供的信息传输方法、装置及电子设备进行详细地说明
如图1所示,本申请实施例提供一种信息传输方法,应用于第一设备,所述方法包括:
向至少一个第二设备发送第一信息;所述第一信息用于触发所述第二设备进行辅助信息传输或用于所述第二设备进行资源选择或预留。
本申请实施例的具体适用场景至少包含以下至少一个:
场景一,如图2所示,单播场景,第一设备向第二设备发送第一信息,第二设备根据第一信息指示的资源进行资源选择或资源预留,用于数据传输。
场景二,如图3所示,组播场景,组内的多个第一设备向组内的第二设备发送第一信息,第二设备根据第一信息指示的资源进行资源选择或资源预留(用于数据传输);或者,第二设备根据第一信息指示的资源进行辅助信息传输。
场景三,如图4所示,组播场景,组内任意的设备向组内任意的其他设备发送第一信息,接收第一信息的设备根据第一信息指示的资源进行资源选择或资源预留(用于数据传输);或者,接收第一信息的设备根据第一信息指示的资源进行辅助信息传输。
场景四,如图5所示,有控制节点或控制终端或路侧单元存在的场景,控制节点或控制终端或路侧单元向第二设备发送第一信息,接收第一信息的设备根据第一信息指示的资源进行资源选择或资源预留(用于数据传输);或者,接收第一信息的设备根据第一信息指示的资源进行辅助信息传输。
场景五,广播场景下,第一设备(任意终端)可以向第二设备(其他任意终端)发送第一信息,接收第一信息的设备根据第一信息指示的资源进行资源选择或资源预留(用于数据传输);或者,接收第一信息的设备根据第一信息指示的资源进行辅助信息传输。
作为一个可选实施例,第一设备可以根据控制节点指示、控制终端指示、路侧单元RSU指示、中继节点指示、网络配置、特定的终端指示中的至少一种方式确定第一信息。
作为一个可选实施例,所述第一信息包含以下至少一项信息:
所述第一信息的类型指示信息,用于指示第一信息是否为触发辅助信息传输的触发信息;
时域资源指示信息;
频域资源指示信息;
用于辅助信息传输的时间信息;该时间信息可以指示一个时间窗口,第二设备可以在该时间窗口内发送辅助信息;
第一信息发送端的标识信息,用于区分第一信息发送端;
第一信息接收端的标识信息,用于区分第一信息接收端,可以为组ID、终端ID、组内成员ID或特定固定的ID;
所述第一设备的待传输业务信息。
可选地,若第一信息中包含第一信息接收端的标识信息,若第一信息接收端的标识信息为预定义或者高层配置的ID,对应于所有终端均需要接收第一信息;若第一信息接收端的标识信息为组ID,对应于某一个特定的组内的所有成员都需要接收第一信息;若第一信息接收端的标识信息为组内用户ID,对应于某一个特定组内的某个特定成员需要接收第一信息;若第一信息接收端的标识信息为终端ID,对应于某一个特定的用户需要接收该第一信息。
其中,第一设备可以根据待传输业务的服务质量QoS参数或高层配置或预定义,确定用于辅助信息传输的时间信息,并在第一信息中指示给第二设备。
需要说明的是,若第一信息为用于触发辅助信息传输的触发信息,则第一信息包含的时域资源指示信息和/或频域资源指示信息为用于辅助信息传输的时域资源指示信息和/或频域资源指示信息。若第一信息不是用于触发辅助信息传输的触发信息,则第一信息包含的时域资源指示信息和/或频域资源指示信息为第一设备占用或预留的资源的相关信息。
可选地,所述第一设备的待传输业务的信息包含以下至少一项:
待传输业务的数据量;
待传输业务的时延信息;
待传输业务的优先级;
待传输业务的数据速率;
待传输业务的可靠度;
待传输业务的业务周期;
待传输业务对应的通信范围需求(Communication range)值。
可选地,本申请实施例中,所述第一信息的类型指示信息用于指示下述至少一项:
指示所述第一信息不是用于触发辅助信息传输的触发信息;
指示所述第一信息是用于触发辅助信息传输的触发信息。
可选地,本申请实施例中,所述第一信息在目标信息中携带,所述目标信息包括以下至少一项:
旁链路控制信息SCI;
下行控制信息(Downlink Control Information,DCI);
无线资源控制RRC信息;
直通链路无线资源控制PC5-RRC信息;
旁链路反馈控制信息(sidelink feedback control information,SFCI);
其中,所述旁链路控制信息还包括:第一级旁链路控制信息(1st stage SCI)和第二级旁链路控制信息(2st stage SCI)。
作为一个可选实施例,在所述第一设备通过第一级旁链路控制信息和/或第二级旁链路控制信息携带所述第一信息的情况下,
在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过第一指示域指示所述类型指示信息;其中,第一指示域的每一个码点对应一种所述第一信息的类型;例如,用一个长1比特的第一指示域进行指示,码点0代表不是用于触发辅助信息传输的触发信息,码点1代表是触发信息;第二设备根据该第一指示域的解码情况判断第一信息是否为用于触发辅助信息传输的触发信息;
或者,在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过与第二指示域联合编码指示所述类型指示信息;其中,第二指示域的每一个码点对应一种所述第一信息的类型;例如,第二指示域为优先级指示域,该优先级指示域指示为特定优先级时代表是用于触发辅助信息传输的触发信息,其他优先级代表不是用于触发辅助信息传输的触发信息。再例如,第二指示域为解调参考信号(De-Modulation Reference Signal,DMRS)配置指示域,该DMRS模式指示域指示特定的DMRS配置时代表是用于触发辅助信息传输的触发信息,其他DMRS配置代表不是用于触发辅助信息传输的触发信息;
或者,
在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过第三指示域的码点指示所述类型指示信息;其中,第三指示域的每一个码点对应一种所述第一信息的类型;例如,第三指示域的特定码点代表是用于触发辅助信息传输的触发信息,其他码点代表不是用于触发辅助信息传输的触发信息;
或者,
在所述第二级旁链路控制信息中通过信息目标ID指示域(destination指示域)的码点隐式指示所述类型指示信息;例如,destination ID前/后n位为一个固定值对应的用户接收的第一信息为用于触发辅助信息传输的触发信息;或者destination ID前/后n位的值在某一区间对应的用户接收的第一信息为用于触发辅助信息传输的触发信息;触发信息接收端根据第二级SCI中该destination指示域的内容判断第一信息是否为用于触发辅助信息传输的触发信息;
或者,
在所述第二级旁链路控制信息中通过通信范围需求指示域(communication range指示域)和地理区域ID指示域隐式指示所述类型指示信息。例如,接收设备通过这两个指示域的内容判定与发送设备的距离大于/小于communication range指示域指示的距离值,则该第一信息为用于触发辅助信息传输的触发信息;信息接收端根据第二级SCI中这两个指示域的内容判断第一信息是否为用于触发辅助信息传输的触发信息。
其中,所述第二指示域和/或第三指示域包括以下至少一个:
优先级指示域、资源预留周期指示域、频域资源分配指示域、时域资源分配指示域、解调参考信号DMRS模式指示域、第二级SCI格式指示域、β偏移指示域、DMRS接口数量指示域、调制编码方式指示域、混合自动重传请求(Hybrid Automatic Repeat reQuest,HARQ)进程ID指示域、新数据指示(New Data Indicator,NDI)指示域、冗余版本(redundancy version,RV)指示域、信息源端ID(source ID)指示域、信息目标ID(destination ID)指示域、信道状态信息CSI需求指示域、通信范围需求(communication range)指示域、区域标识ID(zone ID)指示域。
示例一
类型指示信息通过在第一级SCI中独立的指示域来指示,该指示域长度为可以为1比特,对应两个码点分别为0和1,码点0对应于该信息不是用于触发辅助信息传输的触发信息,码点1对应于该信息是用于触发辅助信息传输的触发信息。
同理,类型指示信息通过在第二级SCI中独立的指示域来指示,该指示域长度为可以为1比特,对应两个码点分别为0和1,码点0对应于该信息不是用于触发辅助信息传输的触发信息,码点1对应于该信息是用于触发辅助信息传输的触发信息。
类型指示信息也可以在第一级SCI中和其他指示域联合编码指示第一信息是否为辅助信息。例如,和第一级SCI中的优先级指示域联合编码指示。现有的优先级指示域中有3bit(比特),对应八个码点,在不增加bit数的情况下,假设码点000对应优先级1以及指示第一级SCI中携带的第一信息为用于触发辅助信息传输的触发信息,则辅助信息接收端可以根据第一级SCI中优先级指示域的解码情况判断该第一级SCI携带的第一信息是否为用于触发辅助信息传输的触发信息。若增加bit数,比如优先级指示域增加到4bit,对应于16个码点,但还是仅支持指示八个优先级等级,每个优先级指示对应于两个码点,例如,优先级8对应于码点1110和1111,其中1110对应的是优先级等级为8以及该第一级SCI没有携带用于触发辅助信息传输的触发信息,1111对应的是优先级等级为8以及该第一级SCI携带的第一信息为用于触发辅助信息传输的触发信息。除此之外,已有的指示域还包括频域资源分配指示域、时域资源分配指示域、资源预留周期指示域、DMRS模式指示域、第二级SCI格式指示域、beta offset(β偏移)指示域、DMRS port数量指示域、调制编码方式指示域等。
类型指示信息也可以在第二级SCI中和其他指示域联合编码指示第一信息是否为辅助信息。例如,和第二级SCI中的RV指示域联合编码指示。现有的优先级指示域中有2bit,对应四个码点,在不增加bit数的情况下,假设码点00对应RV版本0以及指示第二级SCI中携带的第一信息为用于触发辅助信息传输的触发信息,则信息接收端可以根据第二级SCI中优先级指示域的解码情况判断该第二级SCI携带的第一信息是否为用于触发辅助信息传输的触发信息。若增加bit数,比如RV指示域增加到3bit,对应于8个码点,但还是仅支持指示四个优先级等级,每个优先级指示对应于两个码点,例如,RV版本0对应于码点000和001,其中000对应的是RV版本为0以及该第二级SCI携带的第一信息不是用于触发辅助信息传输的触发信息,001对应 的是RV版本为8以及该第二级SCI携带的第一信息为用于触发辅助信息传输的触发信息。除此之外,能用的指示域还包括HARQ进程ID指示域、NDI指示域、communication range指示域、source ID指示域、destination ID指示域、CSI需求指示域、zone ID指示域等。
示例二
在第二级SCI中用已有指示域预留的码点指示类型指示信息,第一信息接收端根据第二级SCI中该指示域的解码情况判断第一信息是否为用于触发辅助信息传输的触发信息。例如,第二级SCI中的communication range指示域中预留的码点指示。communication range指示域长度为5bit,存在若干预留的码点,例如使用预留的码点11111指示第二级SCI中携带的第一信息为用于触发辅助信息传输的触发信息。
除此之外,能用的指示域还包括HARQ进程ID指示域、NDI指示域、RV指示域、source ID指示域、destination ID指示域、信道状态信息(Channel State Information,CSI)需求指示域、zone ID指示域等。
作为另一个可选实施例,在所述目标信息为第一级旁链路控制信息、第二级旁链路控制信息以及下行控制信息中的至少一项的情况下,所述方法还包括:
通过所述目标信息的格式指示所述第一信息是否为用于触发辅助信息传输的;如,用特定的SCI或DCI的格式指示第一信息为用于触发辅助信息传输的触发信息,第二设备通过SCI长度或DCI长度来判定SCI格式或DCI格式,从而判断第一信息是否为用于触发辅助信息传输的触发信息。
在所述目标信息为第二级旁链路控制信息的情况下,所述第一信息在特定格式的第二级旁链路控制信息中携带,所述方法还包括:
在第一级旁链路控制信息中通过第四指示域指示所述第二级旁链路控制信息的格式;
其中,第四指示域包括以下至少一个:
优先级指示域、资源预留周期指示域、频域资源分配指示域、时域资源分配指示域、解调参考信号DMRS模式指示域、第二级SCI格式指示域、β偏移指示域、DMRS配置类型指示域、调制编码方式指示域。
例如,在第一级SCI中的“第二级SCI格式”指示域的特定码点或特定的1bit来指示第二级SCI携带的第一信息是否为用于触发辅助信息传输的触发信息。
又例如,用特定的或者新的第二级SCI格式携带用于触发辅助信息传输的触发信息,并且在第一级SCI中的“第二级SCI格式”指示域的码点或特定的1bit来指示在第二级SCI中是否携带了用于触发辅助信息传输的触发信息。
作为又一个可选实施例,在所述目标信息为第一级旁链路控制信息、第二级旁链路控制信息以及下行控制信息中的至少一项的情况下,所述方法还包括:
通过所述目标信息的加扰无线网络临时标识(Radio Network Temporary Identifier,RNTI)指示所述第一信息是否为用于触发辅助信息传输的触发信息。
其中,若所述第一信息为用于触发辅助信息传输的触发信息,所述目标信息的加扰RNTI的生成方法包括以下至少一种:
通过预定义的值生成;
等于预定义的加扰RNTI;
等于高层配置的加扰RNTI;
通过资源池ID生成;
通过信息源ID生成;
通过信息目标ID生成;
通过组ID生成。
作为又一个可选实施例,所述方法还包括
通过所述第一信息的传输资源指示所述第一信息是否为用于触发辅助信息传输的触发信息。
其中,若所述第一信息为用于触发辅助信息传输的触发信息,所述第一信息的传输资源包括以下至少一个:
物理旁链路反馈信道;
物理旁链路数据信道;
专用资源池中的资源;
预配置的传输资源;
资源池中特定子带上的资源,例如最后n个子带资源;
资源池中特定符号或者特定子帧上的资源;例如,每个时隙最后一个符号上的资源;再例如,每n个时隙为周期,每个周期最后一个时隙上的资源。
作为本申请的另一个可选实施例,在所述第一设备通过第一级旁链路控制信息和/或第二级旁链路控制信息携带所述第一信息中时域资源指示信息的情况下,
在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过第五指示域指示所述时域资源指示信息;其中,所述第五指示域的每个码点分别对应至少一个时域资源指示信息,所述时域资源指示信息包括时域资源起始位置、时域资源结束位置以及时域资源长度中的至少一项;
其中,所述第五指示域为独立的指示域,或者,所述第五指示域为联合编码的指示域。
时域资源长度可以是协议预定义/高层配置的一个值(例如1slot),可以是L个slot(时隙)/symbol(符号)/frame(帧)/sub-frame(子帧),每个码点对应于一个时域资源起始位置和长度,指示域的长度为N,可以指示当前时刻起,未来2N+L-1个时间单位内的时域资源位置。
作为本申请的另一个可选实施例,在所述第一设备通过第一级旁链路控制信息和/或第二级旁链路控制信息携带所述第一信息中频域资源指示信息的情况下,
在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过第六指示域指示所述频域资源指示信息;其中,所述第六指示域的每个码点分别对应至少一个频域资源指示信息,所述频域资源指示信息包含频域资源起始位置、频域资源结束位置以及频域资源长度中的至少一项;
其中,所述第六指示域为独立的指示域,或者,所述第六指示域为联合编码的指示域。
作为本申请的又一个可选实施例,所述第一信息中用于辅助信息传输的时间信息包含以下至少一个:
用于辅助信息传输的时间窗口位置信息;
用于辅助信息传输的时间窗口长度信息;
用于辅助信息传输的时延信息。
其中,所述方法还包括:
根据待传输业务的服务质量QoS参数映射,或预定义,或高层配置,确定所述用于辅助信息传输的时间信息;其中,所述待传输业务的QoS参数包含以下至少一个:
待传输业务的时延需求;
待传输业务的优先级;
待传输业务的可靠度需求;
待传输业务的传输速率需求;
待传输业务的数据量;
待传输业务的通信范围需求。
可选地,在所述第一设备通过第一级旁链路控制信息和/或第二级旁链路控制信息携带所述第一信息中用于辅助信息传输的时间信息的情况下,
在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过第七指示域指示所述时间窗口位置信息和/或时间窗口长度信息;其中,第七指示域的每个码点对应至少一个时间窗口位置信息和/或时间窗口长度信息,所述时间窗口位置信息包括时间窗口起始位置和/或时间窗口结束位置;
所述第七指示域为独立的指示域,或者,所述第七指示域为联合编码的指示域。
或者,在所述第一设备通过第一级旁链路控制信息和/或第二级旁链路控制信息携带所述第一信息中用于辅助信息传输的时间窗口长度信息的情况下,
在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过第八指示域指示所述时间窗口长度信息;所述第八指示域的每个码点分别对应一个时间窗口长度;
其中,所述第八指示域为独立的指示域,或者,所述第八指示域为联合编码的指示域。
或者,在所述第一设备通过第一级旁链路控制信息和/或第二级旁链路控 制信息携带所述第一信息中用于辅助信息传输的时延信息的情况下,
在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过第九指示域指示所述第一信息中用于辅助信息传输的时延信息;第九指示域的每个码点分别对应一个用于辅助信息传输的时延值;
其中,所述第九指示域为独立的指示域,或者,所述第九指示域为联合编码的指示域。
例如,时间窗口起始位置信息可以在SCI/DCI中用独立的指示域指示,或者利用已有指示域预留的码点指示;用于指示未来一段时间内的某一个时间起点,每个码点对应于一个时间窗的起始位置。时间窗口的时间长度信息也可以在SCI/DCI中用独立的指示域指示,或者利用已有指示域预留的码点指示,用于指示时间长度,单位可以是slot/ms/symbol/frame/sub-frame,每个码点对应于一个时间窗的长度。
再例如,采用联合编码指示,用于指示未来一段时间内的某一个时间窗位置,每一个码点对应于一个时间窗的起始位置和长度。
示例三
用于辅助信息传输的时间信息可以通过第一设备需要传输的数据Qos参数相关联/映射得到,对应的QoS参数可以是需要传输数据的时延信息、优先级信息、可靠度信息、数据速率等。当指示未来长为L的一段时间内的时间窗位置,并且和QoS参数中需要传输数据的时延相关联/相互映射时,例如,假设用于辅助信息的传输时间窗起点为t,长度为L,需要传输数据的时延为T1,那么可以:
1.t等于T1;
2.t等于n*T1,其中n为0-1之间的数;
3.t等于T1-T2,其中T2<T1,T2由协议预定义或者高层配置;
4.t等于0,即表示当前时刻开始,未来长L的一段时间;
5.用于辅助信息传输的时间窗口和用于辅助信息传输的触发信息发送端需要传输数据的时延值存在对应关系,例如一一对应,一个t和一个L对应一个T1,这个对应关系可以是协议预定义的,也可以是高层配置(RRC配置)的,也可以是动态配置的(SCI/DCI/介质访问控制单元(Media Access Control  Control Element,MAC CE)配置)。
当和QoS参数中需要传输数据的优先级、可靠度、数据速率相关联/相互映射时,用于辅助信息的传输的时间窗和需要传输数据的优先级、可靠度、数据速率存在一一对应的关系,例如假设用于辅助信息的传输的时间窗起点为t,时间长度为L,用于辅助信息传输的触发信息发送端需要传输数据的优先级、可靠度、数据速率分别为P、C、V,那么一个t和一个L可以对应一个P,一个t和一个L可以对应一个C,一个t和一个L可以对应一个V,这个对应关系可以是协议预定义的,或者是高层配置(RRC配置)的,也可以是动态配置的(SCI/DCI/MAC CE配置)
QoS参数不局限于上述几种。除此之外,辅助信息的传输时延还可以和多个QoS参数想关联或者映射。例如,以QoS参数中的优先级和可靠度为例,一个优先级等级和一个可靠度等级可以对应于一个辅助信息的传输时延,这个对应关系可以是协议预定义的,也可以是高层配置(RRC配置)的,也可以是动态配置的(SCI/DCI/MAC CE配置)。
作为又一个可选实施例,在所述第一设备通过第一级旁链路控制信息和/或第二级旁链路控制信息携带所述第一信息中待传输业务信息的情况下,
在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过第十指示域指示所述待传输业务信息;所述第十指示域为独立的指示域,或者,所述第十指示域为联合编码的指示域;
其中,第十指示域的每个码点分别对应以下至少一个:
待传输业务的数据量;
待传输业务的时延需求;
待传输业务的优先级;
待传输业务的可靠性需求;
待传输业务的传输速率需求;
待传输业务的周期;
待传输业务的通信范围需求。
例如,在SCI/DCI中用独立的指示域指示,或者和其他指示域联合编码指示,或者利用已有指示域预留的码点指示,或者用已有的预留指示域进行 指示;每一个码点对应于一个数据量,单位可以是bit/时延长度,也可以是ms/slot/symbol/frame/sub-frame/优先级等级/传输速率/可靠度等级/周期时长,还可以是ms/slot/symbol/frame/sub-frame/距离值,每个码点对应的数据量可以是协议预定义或网络配置的,或者是设备间协商配置的。
示例四
待传输业务的数据量/待传输业务的时延信息/待传输业务的优先级/待传输业务的数据速率/待传输业务的可靠度/待传输业务的业务周期/需待传输业务的范围值都可以通过独立指示域,联合编码指示。对于需要传输的数据量(TB_size)来说:
当用独立的指示域待传输业务的数据量时,如果独立的指示域长度为2bit,则对应四个码点,可以对应四个不同的需要传输的TB_size,比如码点00、01、10、11对应的TB_size为100bit、200bit、400bit、800bit,并且指示域中指示的码点为11时,说明需要传输的TB_size为800bit。
当和其他指示域联合编码指示需要传输的数据量时,例如和第一级SCI中的优先级指示域联合编码指示。现有的优先级指示域中有3bit,对应八个码点,在不增加bit数的情况下,八个码点分别对应八个优先级等级,同时也对应于八个需要传输的TB_size。例如码点000可以对应优先级1以及指示需要传输的TB_size为100bit,码点111可以对应优先级8以及需要传输的TB_size为800bit。若增加bit数,比如优先级指示域增加到4bit,对应于16个码点,但还是仅支持指示八个优先级等级,每个优先级指示可以同时对应于两个码点,例如,优先级8对应于码点1110和1111,其中1110对应的是优先级等级为8以及需要传输的TB_size为1500bit,1111对应的是优先级等级为8以及需要传输的TB_size为1600bit。除此之外,可以一起联合编码的指示域还包括频域资源分配指示域、时域资源分配指示域、资源预留周期指示域、DMRS pattern指示域、2st stage SCI format指示域、beta offset指示域、DMRS port数量指示域、调试编码方式指示域;以及2st stage SCI中的HARQ进程ID指示域、NDI指示域、RV指示域、source ID指示域、destination ID指示域、CSI需求指示域、communication range指示域、zone ID指示域等。
综上,本申请实施例通过第一设备向至少一个第二设备发送第一信息, 通过第一信息触发第二设备进行辅助信息传输或第一信息用于第二设备进行资源选择或预留,能够提高传输可靠性。
如图6所示,本申请实施例还提供一种信息传输方法,应用于第二设备,所述方法包括:
步骤61,接收第一设备发送的第一信息;所述第一信息用于触发所述第二设备进行辅助信息传输或用于所述第二设备进行资源选择或预留。
本申请实施例的具体适用场景至少包含以下至少一个:
场景一,如图2所示,单播场景,第一设备向第二设备发送第一信息,第二设备根据第一信息指示的资源进行资源选择或资源预留,用于数据传输。
场景二,如图3所示,组播场景,组内的多个第一设备向组内的第二设备发送第一信息,第二设备根据第一信息指示的资源进行资源选择或资源预留(用于数据传输);或者,第二设备根据第一信息指示的资源进行辅助信息传输。
场景三,如图4所示,组播场景,组内任意的设备向组内任意的其他设备发送第一信息,接收第一信息的设备根据第一信息指示的资源进行资源选择或资源预留(用于数据传输);或者,接收第一信息的设备根据第一信息指示的资源进行辅助信息传输。
场景四,如图5所示,有控制节点或控制终端或路侧单元存在的场景,控制节点或控制终端或路侧单元向第二设备发送第一信息,接收第一信息的设备根据第一信息指示的资源进行资源选择或资源预留(用于数据传输);或者,接收第一信息的设备根据第一信息指示的资源进行辅助信息传输。
场景五,广播场景下,第一设备(任意终端)可以向第二设备(其他任意终端)发送第一信息,接收第一信息的设备根据第一信息指示的资源进行资源选择或资源预留(用于数据传输);或者,接收第一信息的设备根据第一信息指示的资源进行辅助信息传输。
作为一个可选实施例,所述第一信息包含以下至少一项信息:
所述第一信息的类型指示信息,用于指示第一信息是否为用于触发辅助信息传输的触发信息;
时域资源指示信息;
频域资源指示信息;
用于辅助信息传输的时间信息;该时间信息可以指示一个时间窗口,第二设备可以在该时间窗口内发送辅助信息;
第一信息发送端的标识信息,用于区分第一信息发送端;
第一信息接收端的标识信息,用于区分第一信息接收端,可以为组ID、终端ID、组内成员ID或特定固定的ID;
所述第一设备的待传输业务信息。
可选地,若第一信息中包含第一信息接收端的标识信息,若第一信息接收端的标识信息为预定义或者高层配置的ID,对应于所有终端均需要接收第一信息;若第一信息接收端的标识信息为组ID,对应于某一个特定的组内的所有成员都需要接收第一信息;若第一信息接收端的标识信息为组内用户ID,对应于某一个特定组内的某个特定成员需要接收第一信息;若第一信息接收端的标识信息为终端ID,对应于某一个特定的用户需要接收该第一信息。
需要说明的是,若第一信息为用于触发辅助信息传输的触发信息,则第一信息包含的时域资源指示信息和/或频域资源指示信息为用于辅助信息传输的时域资源指示信息和/或频域资源指示信息。若第一信息不是用于触发辅助信息传输的触发信息,则第一信息包含的时域资源指示信息和/或频域资源指示信息为第一设备占用或预留的资源的相关信息。
可选地,所述第一设备的待传输业务的信息包含以下至少一项:
待传输业务的数据量;
待传输业务的时延信息;
待传输业务的优先级;
待传输业务的数据速率;
待传输业务的可靠度;
待传输业务的业务周期;
待传输业务对应的通信范围需求(Communication range)值。
可选地,本申请实施例中,所述第一信息的类型指示信息用于指示下述至少一项:
指示所述第一信息不是用于触发辅助信息传输的触发信息;
指示所述第一信息是用于触发辅助信息传输的触发信息。
可选地,本申请实施例中,所述第一信息在目标信息中携带,所述目标信息包括以下至少一项:
旁链路控制信息;
下行控制信息;
无线资源控制信息;
直通链路无线资源控制信息;
旁链路反馈控制信息;
其中,所述旁链路控制信息还包括:第一级旁链路控制信息和第二级旁链路控制信息。
作为一个可选实施例,在所述第一设备通过第一级旁链路控制信息和/或第二级旁链路控制信息携带所述第一信息的情况下,
在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过第一指示域指示所述类型指示信息;其中,第一指示域的每一个码点对应一种所述第一信息的类型;
或者,
在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过与第二指示域联合编码指示所述类型指示信息;其中,第二指示域的每一个码点对应一种所述第一信息的类型;
或者,
在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过第三指示域的码点指示所述类型指示信息;其中,第三指示域的每一个码点对应一种所述第一信息的类型;
或者,
在所述第二级旁链路控制信息中通过信息目标ID指示域的码点隐式指示所述类型指示信息;
或者,
在所述第二级旁链路控制信息中通过通信范围需求指示域和地理区域ID指示域隐式指示所述类型指示信息。
作为一个可选实施例,所述第二指示域和/或第三指示域包括以下至少一个:
优先级指示域、资源预留周期指示域、频域资源分配指示域、时域资源分配指示域、解调参考信号DMRS模式指示域、第二级SCI格式指示域、β偏移指示域、DMRS接口数量指示域、调制编码方式指示域、混合自动重传请求HARQ进程ID指示域、新数据指示NDI指示域、冗余版本RV指示域、信息源端ID指示域、信息目标ID指示域、信道状态信息CSI需求指示域、通信范围需求指示域、地理区域标识ID指示域。
作为一个可选实施例,在所述目标信息为第一级旁链路控制信息、第二级旁链路控制信息以及下行控制信息中的至少一项的情况下,所述方法还包括:
根据所述目标信息的格式,确定所述第一信息是否为用于触发辅助信息传输的触发信息;
或者,
根据所述目标信息的加扰无线网络临时标识RNTI,确定所述第一信息是否为用于触发辅助信息传输的触发信息。
作为一个可选实施例,在所述目标信息为第二级旁链路控制信息的情况下,所述第一信息在特定格式的第二级旁链路控制信息中携带:
在第一级旁链路控制信息中通过第四指示域指示所述第二级旁链路控制信息的格式;
其中,第四指示域包括以下至少一个:
优先级指示域、资源预留周期指示域、频域资源分配指示域、时域资源分配指示域、解调参考信号DMRS模式指示域、第二级SCI格式指示域、β偏移指示域、DMRS配置类型指示域、调制编码方式指示域。
作为一个可选实施例,若所述第一信息为用于触发辅助信息传输的触发信息,所述目标信息的加扰RNTI的生成方法包括以下至少一种:
通过固定的值生成;
等于预定义的加扰RNTI;
等于高层配置的加扰RNTI;
通过资源池ID生成;
通过信息源ID生成;
通过信息目标ID生成;
通过组ID生成。
作为一个可选实施例,所述方法还包括
根据所述第一信息的传输资源,确定所述第一信息是否为用于触发辅助信息传输的触发信息。
作为一个可选实施例,若所述第一信息为用于触发辅助信息传输的触发信息,所述第一信息的传输资源包括以下至少一个:
物理旁链路反馈信道;
物理旁链路数据信道;
专用资源池中的资源;
预配置的传输资源;
资源池中特定子带上的资源;
资源池中特定符号或者特定子帧上的资源。
作为一个可选实施例,在所述第一设备通过第一级旁链路控制信息和/或第二级旁链路控制信息携带所述第一信息中用于辅助信息传输的时域资源指示信息的情况下,所述方法还包括:
根据所述第一级旁链路控制信息和/或第二级旁链路控制信息的第五指示域,确定所述时域资源指示信息;其中,所述第五指示域的每个码点分别对应至少一个时域资源指示信息,所述时域资源指示信息包括时域资源起始位置、时域资源结束位置以及时域资源长度中的至少一项;
其中,所述第五指示域为独立的指示域,或者,所述第五指示域为联合编码的指示域。
作为一个可选实施例,在所述第一设备通过第一级旁链路控制信息和/或第二级旁链路控制信息携带所述第一信息中用于辅助信息传输的频域资源指示信息的情况下,
根据所述第一级旁链路控制信息和/或第二级旁链路控制信息的第六指示域,确定所述频域资源指示信息;其中,所述第六指示域的每个码点分别 对应至少一个频域资源指示信息,所述频域资源指示信息包含频域资源起始位置、频域资源结束位置以及频域资源长度中的至少一项;
其中,所述第六指示域为独立的指示域,或者,所述第六指示域为联合编码的指示域。
作为一个可选实施例,所述第一信息中用于辅助信息传输的时间信息包含以下至少一个:
用于辅助信息传输的时间窗口位置信息;
用于辅助信息传输的时间窗口长度信息;
用于辅助信息传输的时延信息。
作为一个可选实施例,在所述第一设备通过第一级旁链路控制信息和/或第二级旁链路控制信息携带所述第一信息中用于辅助信息传输的时间信息的情况下,所述方法还包括:
根据所述第一级旁链路控制信息和/或第二级旁链路控制信息的第七指示域,确定所述时间窗口位置信息和/或时间窗口长度信息;其中,第七指示域的每个码点对应至少一个时间窗口位置信息和/或时间窗口长度信息,所述时间窗口位置信息包括时间窗口起始位置和/或时间窗口结束位置;
所述第七指示域为独立的指示域,或者,所述第七指示域为联合编码的指示域。
作为一个可选实施例,在所述第一设备通过第一级旁链路控制信息和/或第二级旁链路控制信息携带所述第一信息中用于辅助信息传输的时间窗口长度信息的情况下,所述方法还包括:
根据所述第一级旁链路控制信息和/或第二级旁链路控制信息的第八指示域,确定所述时间窗口长度信息;所述第八指示域的每个码点分别对应一个时间窗口长度;
其中,所述第八指示域为独立的指示域,或者,所述第八指示域为联合编码的指示域。
作为一个可选实施例,在所述第一设备通过第一级旁链路控制信息和/或第二级旁链路控制信息携带所述第一信息中用于辅助信息传输的时延信息的情况下,所述方法还包括:
根据所述第一级旁链路控制信息和/或第二级旁链路控制信息的第九指示域,确定所述第一信息中用于辅助信息传输的时延信息;第九指示域的每个码点分别对应一个用于辅助信息传输的时延值;
其中,所述第九指示域为独立的指示域,或者,所述第九指示域为联合编码的指示域。
作为一个可选实施例,在所述第一设备通过第一级旁链路控制信息和/或第二级旁链路控制信息携带所述第一信息中待传输业务信息的情况下,所述方法还包括:
根据所述第一级旁链路控制信息和/或第二级旁链路控制信息的第十指示域,确定所述待传输业务信息;所述第十指示域为独立的指示域,或者,所述第十指示域为联合编码的指示域;
其中,第十指示域的每个码点分别对应以下至少一个:
待传输业务的数据量;
待传输业务的时延需求;
待传输业务的优先级;
待传输业务的可靠性需求;
待传输业务的传输速率需求;
待传输业务的周期;
待传输业务的通信范围需求。
作为本申请的又一个可选实施例,所述方法还包括:
确定所述第一信息的类型;
其中,所述确定所述第一信息的类型的方法包含以下至少一项:
根据所述第一信息中第一信息类型指示信息指示的内容判断所述第一信息是否为用于触发辅助信息传输的触发信息;
根据所述第一信息的格式和/或所述第一信息的格式长度判断所述第一信息是否为用于触发辅助信息传输的触发信息;
根据所述第一信息的加扰RNTI判断所述第一信息是否为用于触发辅助信息传输的触发信息;
根据所述第一信息的传输资源判断所述第一信息是否为用于触发辅助信 息传输的触发信息。
作为本申请的又一个可选实施例,所述方法还包括:
若所述第一信息为用于触发辅助信息传输的触发信息,根据所述第一信息指示的资源进行所述辅助信息的传输;
或者,
若所述第一信息为用于触发辅助信息传输的触发信息,且所述第一信息包含的第一信息接收端的标识信息与所述第二设备匹配,根据所述第一信息指示的资源进行所述辅助信息的传输;
或者,
若所述第一信息为用于触发辅助信息传输的触发信息,且所述第一信息接收端与第一信息发送端之间的距离满足预设条件,根据所述第一信息指示的资源进行所述辅助信息的传输;
或者,
若所述第一信息为用于触发辅助信息传输的触发信息,且所述第一信息包含的第一信息接收端的标识与所述第二设备匹配,且所述第一信息接收端与第一信息发送端之间的距离满足预设条件,根据所述第一信息指示的资源进行所述辅助信息的传输。
或者,作为本申请的又一个可选实施例,所述方法还包括:
若所述第一信息不为用于触发辅助信息传输的触发信息,根据所述第一信息指示的资源进行数据传输的资源选择或预留;
或者,
若所述第一信息为用于触发辅助信息传输的触发信息,且所述第一信息包含的第一信息接收端的标识信息与所述第二设备不匹配,根据所述第一信息指示的资源进行数据传输的资源选择或预留;
或者,
若所述第一信息为用于触发辅助信息传输的触发信息,且所述第一信息接收端与第一信息发送端之间的距离不满足预设条件,根据所述第一信息指示的资源进行数据传输的资源选择或预留;
或者,
若所述第一信息为用于触发辅助信息传输的触发信息,且所述第一信息包含的第一信息接收端的标识与所述第二设备匹配,且所述第一信息接收端与第一信息发送端之间的距离不满足预设条件,根据所述第一信息指示的资源进行数据传输的资源选择或预留。
作为本申请的又一个可选实施例,所述根据所述第一信息指示的资源进行所述辅助信息的传输,包括:
在所述第一信息包含的时域资源指示信息和/或频域资源指示信息所指示的资源上传输所述辅助信息。
作为本申请的又一个可选实施例,所述根据所述第一信息指示的资源进行所述辅助信息的传输,包括:
根据所述第一信息包含的用于辅助信息传输的时间信息,在所述时间信息指示的时间窗口内选择辅助信息的传输资源并传输所述辅助信息。
作为本申请的又一个可选实施例,所述根据所述第一信息指示的资源进行数据传输的资源选择或预留,包括:
根据所述第一信息包含的时域资源指示信息和/或频域资源指示信息,在进行资源选择或者预留时,排除所述时域资源指示信息指示的时域资源和/或所述频域资源指示信息指示的资源。
作为本申请的又一个可选实施例,所述预设条件的确定方式包含以下至少一种:
通过第一信息中的通信范围需求指示域中的指示信息确定;
预定义确定;
高层配置确定。
作为本申请的又一个可选实施例,若所述第二设备传输的所述辅助信息中携带辅助信息接收端的标识;
所述辅助信息接收端的标识与所述第一信息中第一信息发送端的标识相同。
作为本申请的又一个可选实施例,若所述第一信息为用于触发辅助信息传输的触发信息,且所述第一信息中携带所述第一设备的待传输业务的资源的信息;所述方法还包括:
根据所述第一设备的待传输业务信息,为所述第一设备的待传输业务选择资源,并通过所述辅助信息指示所述第一设备中用于数据传输的资源。
示例五
本申请实施例在在原有资源分配的基础上做出了小部分改动,信令层面改动较小,并具有良好的兼容性。
引入了第一信息的类型指示信息,用于区分该第一信息是否为用于辅助信息传输的触发信息。
若第一信息的类型指示信息对应的指示为该信息不是用于触发辅助信息传输的触发信息,则该信息接收端在资源预留时需要根据该信息中资源时频域位置的指示信息解码算得资源位置,并排除这些资源;若该信息是用于触发辅助信息传输的触发信息,并且该信息中携带的接收端ID和自身ID相匹配,则该信息接收端在资源预留时需要根据该信息中资源时频域位置的指示信息解码算得资源位置,并在解码得到的资源位置上传输辅助信息。所以不管该信息是否是用于触发辅助信息传输的触发信息,都不会被浪费或者在收发端引起理解不一致的情况,所以该指示域的引入可以良好兼容现有资源分配机制。
在用于触发辅助信息传输的触发信息中包含的待传输的业务信息适用于用于辅助信息传输的触发信息的接收端进行资源选择,包括需要选择多大的资源,在什么时间段内选择资源,接收端可以根据这些指示信息选择最佳最优的资源,提升系统资源利用率。
示例六
第二设备接收到的信息同时包含了该信息是否为辅助信息的第一标识和该信息是否为用于触发所述辅助传输的触发信息的第二标识的情况下,第二设备的不同行为:
当第二设备收到的信息中同时包含第一标识和第二标识,并且在不同的指示域中指示。其中,第一标识指示域指示该信息不是用于触发辅助信息传输的触发信息,而第二标识指示域指示该信息为辅助信息时,则该信息可称为辅助信息。若该信息中携带的接收端ID和该信令接收端ID相匹配,则该信息接收端在资源预留时需要根据该信息中资源指示相关信息解码算得资源 位置,并将它们列为候选资源或者直接预留这些资源,用于数据传输。
或者,
当第二设备收到的信息中同时包含第一标识和第二标识,并且在不同的指示域中指示。其中,第一标识指示域指示该信息不是用于触发辅助信息传输的触发信息,而第二标识指示域指示该信息为辅助信息时,则该信息可称为辅助信息。若该信息中携带的接收端ID和该信令接收端ID不匹配,则该信息接收端在资源选择或者预留时需要根据该信息中资源指示相关信息解码算得资源位置,并将它们排除掉。
或者,
当第二设备收到的信息中同时包含第一标识和第二标识,并且在不同的指示域中指示。其中,第一标识指示域指示该信息是用于触发辅助信息传输的触发信息,而第二标识指示域指示该信息不是辅助信息时,则该信息可称为用于触发辅助信息传输的触发信息。若该信息中携带的接收端ID和该信令接收端ID相匹配,则该信息接收端在资源预留时需要根据该信息中资源指示相关信息解码算得资源位置,并将它们列为候选资源或者直接预留这些资源,用于辅助信息传输。
或者,
当第二设备收到的信息中同时包含第一标识和第二标识,并且在不同的指示域中指示。其中,第一标识指示域指示该信息是用于触发辅助信息传输的触发信息,而第二标识指示域指示该信息不是辅助信息时,则该信息可称为用于触发辅助信息传输的触发信息。若该信息中携带的接收端ID和该信令接收端ID不匹配,则该信息接收端在资源选择或者预留时需要根据该信息中资源指示相关信息解码算得资源位置,并将它们排除掉。
或者,
当第二设备收到的信息中同时包含第一标识和第二标识,并且在不同的指示域中指示。其中,第一标识指示域指示该信息不是用于触发辅助信息传输的触发信息,而第二标识指示域指示该信息不是辅助信息时,则该信息接收端在资源选择或者预留时需要根据该信息中资源指示相关信息解码算得资源位置,并将它们排除掉。
或者,
当第二设备收到的信息中同时包含第一标识和第二标识,并且在相同的指示域中指示。当该指示域指示该信息是辅助信息,则该信息可称为辅助信息。若该信息中携带的接收端ID和该信令接收端ID相匹配,则该信息接收端在资源预留时需要根据该信息中资源指示相关信息解码算得资源位置,并将它们列为候选资源或者直接预留这些资源,用于数据传输。
或者,
当第二设备收到的信息中同时包含第一标识和第二标识,并且在相同的指示域中指示。当该指示域指示该信息是辅助信息,则该信息可称为辅助信息。若该信息中携带的接收端ID和该信令接收端ID不匹配,则该信息接收端在资源选择或者预留时需要根据该信息中资源指示相关信息解码算得资源位置,并将它们排除掉。
或者,
当第二设备收到的信息中同时包含第一标识和第二标识,并且在相同的指示域中指示。当该指示域指示该信息是用于触发辅助信息传输的触发信息,则该信息可称为用于触发辅助信息传输的触发信息。若该信息中携带的接收端ID和该信令接收端ID相匹配,则该信息接收端在资源预留时需要根据该信息中资源指示相关信息解码算得资源位置,并将它们列为候选资源或者直接预留这些资源,用户辅助信息传输。
或者,
当第二设备收到的信息中同时包含第一标识和第二标识,并且在相同的指示域中指示。当该指示域指示该信息是用于触发辅助信息传输的触发信息,则该信息可称为用于触发辅助信息传输的触发信息。若该信息中携带的接收端ID和该信令接收端ID不匹配,则该信息接收端在资源选择或者预留时需要根据该信息中资源指示相关信息解码算得资源位置,并将它们排除掉。
或者,
当第二设备收到的信息中同时包含第一标识和第二标识,并且在相同的指示域中指示。当该指示域指示该信息不是辅助信息也不是用于触发辅助信息传输的触发信息时,则该信息接收端在资源选择或者预留时需要根据该信 息中资源指示相关信息解码算得资源位置,并将它们排除掉。
示例七
第二设备接收到的信息同时包含了该信息是否为辅助信息的第一标识和该信息是否触发所述辅助发送的触发信息的第二标识的情况下:
第一标识和第二标识在第一级SCI中相同的指示域来指示,该指示域的长度可以为2比特,对应的码点为00,01,10,11,从中选择一个码点(例如01)用来指示该信息为用于辅助信息传输的触发信息,选择一个码点(例如10)来指示该信息为辅助信息,选择一个码点(例如00)来指示该信息既没有携带辅助信息也没有携带用于辅助信息传输的触发信息。
或者,第一标识和第二标识在第二级SCI中相同的指示域来指示,该指示域的长度可以为2比特,对应的码点为00,01,10,11,从中选择一个码点(例如01)用来指示该信息为用于辅助信息传输的触发信息,选择一个码点(例如10)来指示该信息为辅助信息,选择一个码点(例如00)来指示该信息既没有携带辅助信息也没有携带用于辅助信息传输的触发信息。
综上,本申请实施例中通过第一设备向至少一个第二设备发送第一信息,通过第一信息指示第二设备进行辅助信息传输或指示第二设备进行数据传输的资源选择或预留,对原有的资源分配方案及信令层面修改较小,具有良好的兼容性,能够减少第二设备的解调复杂度,降低系统开销。
如图7所示,本申请实施例还提供一种信息传输装置700,应用于第一设备,包括:
第一发送模块701,用于向至少一个第二设备发送第一信息;所述第一信息用于触发所述第二设备进行辅助信息传输或用于所述第二设备进行资源选择或预留。
可选地,本申请的上述实施例中,所述第一信息包含以下至少一项信息:
所述第一信息的类型指示信息
时域资源指示信息;
频域资源指示信息;
用于辅助信息传输的时间信息;
第一信息发送端的标识信息;
第一信息接收端的标识信息;
所述第一设备的待传输业务信息。
可选地,本申请的上述实施例中,所述第一设备的待传输业务的信息包含以下至少一项:
待传输业务的数据量;
待传输业务的时延信息;
待传输业务的优先级;
待传输业务的数据速率;
待传输业务的可靠度;
待传输业务的业务周期;
待传输业务对应的通信范围需求值。
可选地,本申请的上述实施例中,所述第一信息在目标信息中携带,所述目标信息包括以下至少一项:
旁链路控制信息;
下行控制信息;
无线资源控制信息;
直通链路无线资源控制信息;
旁链路反馈控制信息;
其中,所述旁链路控制信息还包括:第一级旁链路控制信息和第二级旁链路控制信息。
可选地,本申请的上述实施例中,所述第一信息的类型指示信息用于指示下述至少一项:
指示所述第一信息不是用于触发辅助信息传输的触发信息;
指示所述第一信息是用于触发辅助信息传输的触发信息。
可选地,本申请的上述实施例中,在所述第一设备通过第一级旁链路控制信息和/或第二级旁链路控制信息携带所述第一信息的情况下,
在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过第一指示域指示所述类型指示信息;其中,第一指示域的每一个码点对应一种所述第一信息的类型;
或者,
在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过与第二指示域联合编码指示所述类型指示信息;其中,第二指示域的每一个码点对应一种所述第一信息的类型;
或者,
在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过第三指示域的码点指示所述类型指示信息;其中,第三指示域的每一个码点对应一种所述第一信息的类型;
或者,
在所述第二级旁链路控制信息中通过信息目标ID指示域的码点隐式指示所述类型指示信息;
或者,
在所述第二级旁链路控制信息中通过通信范围需求指示域和地理区域ID指示域隐式指示所述类型指示信息。
可选地,本申请的上述实施例中,所述第二指示域和/或第三指示域包括以下至少一个:
优先级指示域、资源预留周期指示域、频域资源分配指示域、时域资源分配指示域、解调参考信号DMRS模式指示域、第二级SCI格式指示域、β偏移指示域、DMRS接口数量指示域、调制编码方式指示域、混合自动重传请求HARQ进程ID指示域、新数据指示NDI指示域、冗余版本RV指示域、信息源端ID指示域、信息目标ID指示域、信道状态信息CSI需求指示域、通信范围需求指示域、地理区域标识ID指示域。
可选地,本申请的上述实施例中,在所述目标信息为第一级旁链路控制信息、第二级旁链路控制信息以及下行控制信息中的至少一项的情况下,所述装置还包括:
第一指示模块,用于通过所述目标信息的格式指示所述第一信息是否为用于触发辅助信息传输的触发信息;
或者,用于通过所述目标信息的加扰无线网络临时标识RNTI指示所述第一信息是否为用于触发辅助信息传输的触发信息。
可选地,本申请的上述实施例中,在所述目标信息为第二级旁链路控制信息的情况下,所述第一信息在特定格式的第二级旁链路控制信息中携带,所述装置还包括:
第二指示模块,用于在第一级旁链路控制信息中通过第四指示域指示所述第二级旁链路控制信息的格式;
其中,第四指示域包括以下至少一个:
优先级指示域、资源预留周期指示域、频域资源分配指示域、时域资源分配指示域、解调参考信号DMRS模式指示域、第二级SCI格式指示域、β偏移指示域、DMRS配置类型指示域、调制编码方式指示域。
可选地,本申请的上述实施例中,若所述第一信息为用于触发辅助信息传输的触发信息,所述目标信息的加扰RNTI的生成方法包括以下至少一种:
通过预定义的值生成;
等于预定义的加扰RNTI;
等于高层配置的加扰RNTI;
通过资源池ID生成;
通过信息源ID生成;
通过信息目标ID生成;
通过组ID生成。
可选地,本申请的上述实施例中,所述装置还包括
第三指示模块,用于通过所述第一信息的传输资源指示所述第一信息是否为用于触发辅助信息传输的触发信息。
可选地,本申请的上述实施例中,若所述第一信息为用于触发辅助信息传输的触发信息,所述第一信息的传输资源包括以下至少一个:
物理旁链路反馈信道;
物理旁链路数据信道;
专用资源池中的资源;
预配置的传输资源;
资源池中特定子带上的资源;
资源池中特定符号或者特定子帧上的资源。
可选地,本申请的上述实施例中,在所述第一设备通过第一级旁链路控制信息和/或第二级旁链路控制信息携带所述第一信息中时域资源指示信息的情况下,
在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过第五指示域指示所述时域资源指示信息;其中,所述第五指示域的每个码点分别对应至少一个时域资源指示信息,所述时域资源指示信息包括时域资源起始位置、时域资源结束位置以及时域资源长度中的至少一项;
其中,所述第五指示域为独立的指示域,或者,所述第五指示域为联合编码的指示域。
可选地,本申请的上述实施例中,在所述第一设备通过第一级旁链路控制信息和/或第二级旁链路控制信息携带所述第一信息中频域资源指示信息的情况下,
在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过第六指示域指示所述频域资源指示信息;其中,所述第六指示域的每个码点分别对应至少一个频域资源指示信息,所述频域资源指示信息包含频域资源起始位置、频域资源结束位置以及频域资源长度中的至少一项;
其中,所述第六指示域为独立的指示域,或者,所述第六指示域为联合编码的指示域。
可选地,本申请的上述实施例中,所述第一信息中用于辅助信息传输的时间信息包含以下至少一个:
用于辅助信息传输的时间窗口位置信息;
用于辅助信息传输的时间窗口长度信息;
用于辅助信息传输的时延信息。
可选地,本申请的上述实施例中,所述装置还包括:
信息确定模块,用于根据待传输业务的服务质量QoS参数映射,或预定义,或高层配置,确定所述用于辅助信息传输的时间信息;其中,所述待传输业务的QoS参数包含以下至少一个:
待传输业务的时延需求;
待传输业务的优先级;
待传输业务的可靠度需求;
待传输业务的传输速率需求;
待传输业务的数据量;
待传输业务的通信范围需求。
可选地,本申请的上述实施例中,在所述第一设备通过第一级旁链路控制信息和/或第二级旁链路控制信息携带所述第一信息中用于辅助信息传输的时间信息的情况下,
在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过第七指示域指示所述时间窗口位置信息和/或时间窗口长度信息;其中,第七指示域的每个码点对应至少一个时间窗口位置信息和/或时间窗口长度信息,所述时间窗口位置信息包括时间窗口起始位置和/或时间窗口结束位置;
所述第七指示域为独立的指示域,或者,所述第七指示域为联合编码的指示域。
可选地,本申请的上述实施例中,在所述第一设备通过第一级旁链路控制信息和/或第二级旁链路控制信息携带所述第一信息中用于辅助信息传输的时间窗口长度信息的情况下,
在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过第八指示域指示所述时间窗口长度信息;所述第八指示域的每个码点分别对应一个时间窗口长度;
其中,所述第八指示域为独立的指示域,或者,所述第八指示域为联合编码的指示域。
可选地,本申请的上述实施例中,在所述第一设备通过第一级旁链路控制信息和/或第二级旁链路控制信息携带所述第一信息中用于辅助信息传输的时延信息的情况下,
在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过第九指示域指示所述第一信息中用于辅助信息传输的时延信息;第九指示域的每个码点分别对应一个用于辅助信息传输的时延值;
其中,所述第九指示域为独立的指示域,或者,所述第九指示域为联合编码的指示域。
可选地,本申请的上述实施例中,在所述第一设备通过第一级旁链路控制信息和/或第二级旁链路控制信息携带所述第一信息中待传输业务信息的情况下,
在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过第十指示域指示所述待传输业务信息;所述第十指示域为独立的指示域,或者,所述第十指示域为联合编码的指示域;
其中,第十指示域的每个码点分别对应以下至少一个:
待传输业务的数据量;
待传输业务的时延需求;
待传输业务的优先级;
待传输业务的可靠性需求;
待传输业务的传输速率需求;
待传输业务的周期;
待传输业务的通信范围需求。
本申请实施例提供的信息传输装置能够实现图1至图5的方法实施例中信息传输装置实现的各个过程,为避免重复,这里不再赘述。
本申请实施例中通过第一设备向至少一个第二设备发送第一信息,通过第一信息指示第二设备进行辅助信息传输或指示第二设备进行数据传输的资源选择或预留,对原有的资源分配方案及信令层面修改较小,具有良好的兼容性,能够减少第二设备的解调复杂度,降低系统开销。
如图8所示,申请实施例还提供一种信息传输装置800,应用于第二设备,包括:
第一接收模块801,用于接收第一设备发送的第一信息;所述第一信息用于触发所述第二设备进行辅助信息传输或用于所述第二设备进行资源选择或预留。
可选地,本申请的上述实施例中,所述第一信息包含以下至少一项信息:
所述第一信息的类型指示信息;
时域资源指示信息;
频域资源指示信息;
用于辅助信息传输的时间信息;
第一信息发送端的标识信息;
第一信息接收端的标识信息;
所述第一设备的待传输业务信息。
可选地,本申请的上述实施例中,所述第一设备的待传输业务的信息包含以下至少一项:
待传输业务的数据量;
待传输业务的时延信息;
待传输业务的优先级;
待传输业务的数据速率;
待传输业务的可靠度;
待传输业务的业务周期;
待传输业务对应的通信范围需求值。
可选地,本申请的上述实施例中,所述第一信息在目标信息中携带,所述目标信息包括以下至少一项:
旁链路控制信息;
下行控制信息;
无线资源控制信息;
直通链路无线资源控制信息;
旁链路反馈控制信息;
其中,所述旁链路控制信息还包括:第一级旁链路控制信息和第二级旁链路控制信息。
可选地,本申请的上述实施例中,所述第一信息的类型指示信息用于指示下述至少一项:
指示所述第一信息不是用于触发辅助信息传输的触发信息;
指示所述第一信息是用于触发辅助信息传输的触发信息。
可选地,本申请的上述实施例中,所述装置还包括:
类型确定模块,用于确定所述第一信息的类型;
其中,所述确定所述第一信息的类型的方法包含以下至少一项:
根据所述第一信息中第一信息类型指示信息指示的内容判断所述第一信息是否为用于触发辅助信息传输的触发信息;
根据所述第一信息的格式和/或所述第一信息的格式长度判断所述第一信息是否为用于触发辅助信息传输的触发信息;
根据所述第一信息的加扰RNTI判断所述第一信息是否为用于触发辅助信息传输的触发信息;
根据所述第一信息的传输资源判断所述第一信息是否为用于触发辅助信息传输的触发信息。
可选地,本申请的上述实施例中,所述装置还包括:
第一传输模块,用于若所述第一信息为用于辅助信息传输的触发信息,根据所述第一信息指示的资源进行所述辅助信息的传输;
或者,用于若所述第一信息为用于辅助信息传输的触发信息,且所述第一信息包含的第一信息接收端的标识信息与所述第二设备匹配,根据所述第一信息指示的资源进行所述辅助信息的传输;
或者,用于若所述第一信息为用于辅助信息传输的触发信息,且所述第一信息接收端与第一信息发送端之间的距离满足预设条件,根据所述第一信息指示的资源进行所述辅助信息的传输;
或者,用于若所述第一信息为用于辅助信息传输的触发信息,且所述第一信息包含的第一信息接收端的标识与所述第二设备匹配,且所述第一信息接收端与第一信息发送端之间的距离满足预设条件,根据所述第一信息指示的资源进行所述辅助信息的传输。
可选地,本申请的上述实施例中,所述装置还包括:
资源处理模块,用于若所述第一信息不为用于辅助信息传输的触发信息,根据所述第一信息指示的资源进行数据传输的资源选择或预留;
或者,用于若所述第一信息为用于辅助信息传输的触发信息,且所述第一信息包含的第一信息接收端的标识信息与所述第二设备不匹配,根据所述第一信息指示的资源进行数据传输的资源选择或预留;
或者,用于若所述第一信息为用于辅助信息传输的触发信息,且所述第一信息接收端与第一信息发送端之间的距离不满足预设条件,根据所述第一 信息指示的资源进行数据传输的资源选择或预留;
或者,用于若所述第一信息为用于辅助信息传输的触发信息,且所述第一信息包含的第一信息接收端的标识与所述第二设备匹配,且所述第一信息接收端与第一信息发送端之间的距离不满足预设条件,根据所述第一信息指示的资源进行数据传输的资源选择或预留。
可选地,本申请的上述实施例中,所述第一传输模块包括:
第一传输子模块,用于在所述第一信息包含的时域资源指示信息和/或频域资源指示信息所指示的资源上传输所述辅助信息。
可选地,本申请的上述实施例中,所述第一传输模块包括:
第二传输子模块,用于根据所述第一信息包含的用于辅助信息传输的时间信息,在所述时间信息指示的时间窗口内选择辅助信息的传输资源并传输所述辅助信息。
可选地,本申请的上述实施例中,所述资源处理模块包括:
资源处理子模块,用于根据所述第一信息包含的时域资源指示信息和/或频域资源指示信息,在进行资源选择或者预留时,排除所述时域资源指示信息指示的时域资源和/或所述频域资源指示信息指示的资源。
可选地,本申请的上述实施例中,所述预设条件的确定方式包含以下至少一种:
通过第一信息中的通信范围需求指示域中的指示信息确定;
预定义确定;
高层配置确定。
可选地,本申请的上述实施例中,若所述第二设备传输的所述辅助信息中携带辅助信息接收端的标识;
所述辅助信息接收端的标识与所述第一信息中第一信息发送端的标识相同。
可选地,本申请的上述实施例中,若所述第一信息为用于触发辅助信息传输的触发信息,且所述第一信息中携带所述第一设备的待传输业务的资源的信息;所述装置还包括:
资源确定模块,用于根据所述第一设备的待传输业务信息,为所述第一 设备的待传输业务选择资源,并通过所述辅助信息指示所述第一设备中用于数据传输的资源。
本申请实施例提供的信息传输装置能够实现图2至图5的方法实施例中信息传输装置实现的各个过程,为避免重复,这里不再赘述。
本申请实施例中通过第一设备向至少一个第二设备发送第一信息,通过第一信息指示第二设备进行辅助信息传输或指示第二设备进行数据传输的资源选择或预留,对原有的资源分配方案及信令层面修改较小,具有良好的兼容性,能够减少第二设备的解调复杂度,降低系统开销。
本申请实施例中的信息传输装置可以是装置,也可以是终端中的部件、集成电路、或芯片。该装置可以是移动电子设备,也可以为非移动电子设备。示例性的,移动电子设备可以为手机、平板电脑、笔记本电脑、掌上电脑、车载电子设备、可穿戴设备、超级移动个人计算机(ultra-mobile personal computer,UMPC)、上网本或者个人数字助理(personal digital assistant,PDA)等,非移动电子设备可以为服务器、网络附属存储器(Network Attached Storage,NAS)、个人计算机(personal computer,PC)、电视机(television,TV)、柜员机或者自助机等,本申请实施例不作具体限定。
本申请实施例中的信息传输装置可以为具有操作系统的装置。该操作系统可以为安卓(Android)操作系统,可以为ios操作系统,还可以为其他可能的操作系统,本申请实施例不作具体限定。
可选的,本申请实施例还提供一种电子设备,包括处理器,存储器,存储在存储器上并可在所述处理器上运行的程序或指令,该程序或指令被处理器执行时实现上述信息传输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。
需要注意的是,本申请实施例中的电子设备包括上述所述的移动电子设备和非移动电子设备。
图9为实现本申请各个实施例的一种电子设备(第一设备和/或第二设备)的硬件结构示意图。
该电子设备900包括但不限于:射频单元901、网络模块902、音频输出单元903、输入单元904、传感器905、显示单元906、用户输入单元907、 接口单元908、存储器909、以及处理器910等部件。
本领域技术人员可以理解,电子设备900还可以包括给各个部件供电的电源(比如电池),电源可以通过电源管理系统与处理器910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。图9中示出的电子设备结构并不构成对电子设备的限定,电子设备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,在此不再赘述。
其中,射频单元901,用于向至少一个第二设备发送第一信息;所述第一信息用于触发所述第二设备进行辅助信息传输或用于所述第二设备进行资源选择或预留;
或者,射频单元901,用于接收第一设备发送的第一信息;所述第一信息用于触发所述第二设备进行辅助信息传输或用于所述第二设备进行资源选择或预留。
本申请实施例中通过第一设备向至少一个第二设备发送第一信息,通过第一信息指示第二设备进行辅助信息传输或指示第二设备进行数据传输的资源选择或预留,对原有的资源分配方案及信令层面修改较小,具有良好的兼容性,能够减少第二设备的解调复杂度,降低系统开销。
应理解的是,本申请实施例中,射频单元901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910处理;另外,将上行的数据发送给基站。通常,射频单元901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901还可以通过无线通信系统与网络和其他设备通信。
电子设备通过网络模块902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903可以将射频单元901或网络模块902接收的或者在存储器909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903还可以提供与电子设备900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903包括扬声器、蜂鸣器以及受话器等。
输入单元904用于接收音频或视频信号。输入单元904可以包括图形处 理器(Graphics Processing Unit,GPU)9041和麦克风9042,图形处理器9041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906上。经图形处理器9041处理后的图像帧可以存储在存储器909(或其它存储介质)中或者经由射频单元901或网络模块902进行发送。麦克风9042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901发送到移动通信基站的格式输出。
电子设备900还包括至少一种传感器905,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9061的亮度,接近传感器可在电子设备900移动到耳边时,关闭显示面板9061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,可用于识别电子设备姿态(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905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906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906可包括显示面板9061,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9061。
用户输入单元907可用于接收输入的数字或字符信息,以及产生与电子设备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907包括触控面板9071以及其他输入设备9072。触控面板9071,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9071上或在触控面板9071附近的操作)。触控面板9071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910,接收处理器910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9071。除了触控面板9071,用户输入单元907还可以包括其他输入设备9072。具体地,其他输入设备9072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9071可覆盖在显示面板9061上,当触控面板9071检测到在其上或附近的触摸操作后,传送给处理器910以确定触摸事件的类型,随后处理器910根据触摸事件的类型在显示面板9061上提供相应的视觉输出。虽然在图9中,触控面板9071与显示面板9061是作为两个独立的部件来实现电子设备的输入和输出功能,但是在某些实施例中,可以将触控面板9071与显示面板9061集成而实现电子设备的输入和输出功能,具体此处不做限定。
接口单元908为外部装置与电子设备900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(I/O)端口、视频I/O端口、耳机端口等等。接口单元908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电子设备900内的一个或多个元件或者可以用于在电子设备900和外部装置之间传输数据。
存储器909可用于存储软件程序以及各种数据。存储器909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909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910是电子设备的控制中心,利用各种接口和线路连接整个电子设备的各个部分,通过运行或执行存储在存储器909内的软件程序和/或模块,以及调用存储在存储器909内的数据,执行电子设备的各种功能和处理数据, 从而对电子设备进行整体监控。处理器910可包括一个或多个处理单元;优选的,处理器910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910中。
电子设备900还可以包括给各个部件供电的电源(比如电池),优选的,电源可以通过电源管理系统与处理器910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,电子设备900包括一些未示出的功能模块,在此不再赘述。
本申请实施例还提供一种可读存储介质,所述可读存储介质上存储有程序或指令,该程序或指令被处理器执行时实现上述信息传输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。
其中,所述处理器为上述实施例中所述的电子设备中的处理器。所述可读存储介质,包括计算机可读存储介质,如计算机只读存储器(Read-Only Memory,ROM)、随机存取存储器(Random Access Memory,RAM)、磁碟或者光盘等。
本申请实施例另提供了一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行程序或指令,实现上述信息传输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。
应理解,本申请实施例提到的芯片还可以称为系统级芯片、系统芯片、芯片系统或片上系统芯片等。
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。此外,需要指出的是,本申请实施方式中的方法和装置的范围不限按示出或讨论的顺序来执行功能,还可包括根据所涉及的功能按基本同时的方式或按相反的顺序来执行功能,例如, 可以按不同于所描述的次序来执行所描述的方法,并且还可以添加、省去、或组合各种步骤。另外,参照某些示例所描述的特征可在其他示例中被组合。
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,本申请的技术方案本质上或者说对现有技术做出贡献的部分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)执行本申请各个实施例所述的方法。
上面结合附图对本申请的实施例进行了描述,但是本申请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申请的启示下,在不脱离本申请宗旨和权利要求所保护的范围情况下,还可做出很多形式,均属于本申请的保护之内。
以上所述,仅为本申请的具体实施方式,但本申请的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本申请揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本申请的保护范围之内。因此,本申请的保护范围应以权利要求的保护范围为准。

Claims (46)

  1. 一种信息传输方法,应用于第一设备,所述方法包括:
    向至少一个第二设备发送第一信息;所述第一信息用于触发所述第二设备进行辅助信息传输或用于所述第二设备进行资源选择或预留。
  2. 根据权利要求1所述的方法,其中,所述第一信息包含以下至少一项信息:
    所述第一信息的类型指示信息;
    时域资源指示信息;
    频域资源指示信息;
    用于辅助信息传输的时间信息;
    第一信息发送端的标识信息;
    第一信息接收端的标识信息;
    所述第一设备的待传输业务信息。
  3. 根据权利要求2所述的方法,其中,所述第一设备的待传输业务的信息包含以下至少一项:
    待传输业务的数据量;
    待传输业务的时延信息;
    待传输业务的优先级;
    待传输业务的数据速率;
    待传输业务的可靠度;
    待传输业务的业务周期;
    待传输业务对应的通信范围需求值。
  4. 根据权利要求1所述的方法,其中,所述第一信息在目标信息中携带,所述目标信息包括以下至少一项:
    旁链路控制信息;
    下行控制信息;
    无线资源控制信息;
    直通链路无线资源控制信息;
    旁链路反馈控制信息;
    其中,所述旁链路控制信息还包括:第一级旁链路控制信息和第二级旁链路控制信息。
  5. 根据权利要求2所述的方法,其中,所述第一信息的类型指示信息用于指示下述至少一项:
    指示所述第一信息不是用于触发辅助信息传输的触发信息;
    指示所述第一信息是用于触发辅助信息传输的触发信息。
  6. 根据权利要求2或4所述的方法,其中,在所述第一设备通过第一级旁链路控制信息和/或第二级旁链路控制信息携带所述第一信息的情况下,
    在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过第一指示域指示所述类型指示信息;其中,第一指示域的每一个码点对应一种所述第一信息的类型;
    或者,
    在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过与第二指示域联合编码指示所述类型指示信息;其中,第二指示域的每一个码点对应一种所述第一信息的类型;
    或者,
    在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过第三指示域的码点指示所述类型指示信息;其中,第三指示域的每一个码点对应一种所述第一信息的类型;
    或者,
    在所述第二级旁链路控制信息中通过信息目标ID指示域的码点隐式指示所述类型指示信息;
    或者,
    在所述第二级旁链路控制信息中通过通信范围需求指示域和地理区域ID指示域隐式指示所述类型指示信息。
  7. 根据权利要求6所述的方法,其中,所述第二指示域和/或第三指示域包括以下至少一个:
    优先级指示域、资源预留周期指示域、频域资源分配指示域、时域资源 分配指示域、解调参考信号DMRS模式指示域、第二级SCI格式指示域、β偏移指示域、DMRS接口数量指示域、调制编码方式指示域、混合自动重传请求HARQ进程ID指示域、新数据指示NDI指示域、冗余版本RV指示域、信息源端ID指示域、信息目标ID指示域、信道状态信息CSI需求指示域、通信范围需求指示域、地理区域标识ID指示域。
  8. 根据权利要求4所述的方法,其中,在所述目标信息为第一级旁链路控制信息、第二级旁链路控制信息以及下行控制信息中的至少一项的情况下,所述方法还包括:
    通过所述目标信息的格式指示所述第一信息是否为用于触发辅助信息传输的触发信息;
    或者,
    通过所述目标信息的加扰无线网络临时标识RNTI指示所述第一信息是否为用于触发辅助信息传输的触发信息。
  9. 根据权利要求8所述的方法,其中,在所述目标信息为第二级旁链路控制信息的情况下,所述方法还包括:
    所述第一信息在特定格式的第二级旁链路控制信息中携带,在第一级旁链路控制信息中通过第四指示域指示所述第二级旁链路控制信息的格式;
    其中,第四指示域包括以下至少一个:
    优先级指示域、资源预留周期指示域、频域资源分配指示域、时域资源分配指示域、解调参考信号DMRS模式指示域、第二级SCI格式指示域、β偏移指示域、DMRS配置类型指示域、调制编码方式指示域。
  10. 根据权利要求8所述的方法,其中,若所述第一信息为用于触发辅助信息传输的触发信息,所述目标信息的加扰RNTI的生成方法包括以下至少一种:
    通过预定义的值生成;
    等于预定义的加扰RNTI;
    等于高层配置的加扰RNTI;
    通过资源池ID生成;
    通过信息源ID生成;
    通过信息目标ID生成;
    通过组ID生成。
  11. 根据权利要求1所述的方法,还包括:
    通过所述第一信息的传输资源指示所述第一信息是否为用于触发辅助信息传输的触发信息。
  12. 根据权利要求11所述的方法,其中,若所述第一信息为用于触发辅助信息传输的触发信息,所述第一信息的传输资源包括以下至少一个:
    物理旁链路反馈信道;
    物理旁链路数据信道;
    专用资源池中的资源;
    预配置的传输资源;
    资源池中特定子带上的资源;
    资源池中特定符号或者特定子帧上的资源。
  13. 根据权利要求2所述的方法,其中,在所述第一设备通过第一级旁链路控制信息和/或第二级旁链路控制信息携带所述第一信息中时域资源指示信息的情况下,
    在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过第五指示域指示所述时域资源指示信息;其中,所述第五指示域的每个码点分别对应至少一个时域资源指示信息,所述时域资源指示信息包括时域资源起始位置、时域资源结束位置以及时域资源长度中的至少一项;
    其中,所述第五指示域为独立的指示域,或者,所述第五指示域为联合编码的指示域。
  14. 根据权利要求2所述的方法,其中,在所述第一设备通过第一级旁链路控制信息和/或第二级旁链路控制信息携带所述第一信息中频域资源指示信息的情况下,
    在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过第六指示域指示所述频域资源指示信息;其中,所述第六指示域的每个码点分别对应至少一个频域资源指示信息,所述频域资源指示信息包含频域资源起始位置、频域资源结束位置以及频域资源长度中的至少一项;
    其中,所述第六指示域为独立的指示域,或者,所述第六指示域为联合编码的指示域。
  15. 根据权利要求2所述的方法,其中,所述第一信息中用于辅助信息传输的时间信息包含以下至少一个:
    用于辅助信息传输的时间窗口位置信息;
    用于辅助信息传输的时间窗口长度信息;
    用于辅助信息传输的时延信息。
  16. 根据权利要求2所述的方法,还包括:
    根据待传输业务的服务质量QoS参数映射,或预定义,或高层配置,确定所述用于辅助信息传输的时间信息;其中,所述待传输业务的QoS参数包含以下至少一个:
    待传输业务的时延需求;
    待传输业务的优先级;
    待传输业务的可靠度需求;
    待传输业务的传输速率需求;
    待传输业务的数据量;
    待传输业务的通信范围需求。
  17. 根据权利要求15所述的方法,其中,在所述第一设备通过第一级旁链路控制信息和/或第二级旁链路控制信息携带所述第一信息中用于辅助信息传输的时间信息的情况下,
    在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过第七指示域指示所述时间窗口位置信息和/或时间窗口长度信息;其中,第七指示域的每个码点对应至少一个时间窗口位置信息和/或时间窗口长度信息,所述时间窗口位置信息包括时间窗口起始位置和/或时间窗口结束位置;
    所述第七指示域为独立的指示域,或者,所述第七指示域为联合编码的指示域。
  18. 根据权利要求15所述的方法,其中,在所述第一设备通过第一级旁链路控制信息和/或第二级旁链路控制信息携带所述第一信息中用于辅助信息传输的时间窗口长度信息的情况下,
    在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过第八指示域指示所述时间窗口长度信息;所述第八指示域的每个码点分别对应一个时间窗口长度;
    其中,所述第八指示域为独立的指示域,或者,所述第八指示域为联合编码的指示域。
  19. 根据权利要求15所述的方法,其中,在所述第一设备通过第一级旁链路控制信息和/或第二级旁链路控制信息携带所述第一信息中用于辅助信息传输的时延信息的情况下,
    在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过第九指示域指示所述第一信息中用于辅助信息传输的时延信息;第九指示域的每个码点分别对应一个用于辅助信息传输的时延值;
    其中,所述第九指示域为独立的指示域,或者,所述第九指示域为联合编码的指示域。
  20. 根据权利要求2所述的方法,其中,在所述第一设备通过第一级旁链路控制信息和/或第二级旁链路控制信息携带所述第一信息中待传输业务信息的情况下,
    在所述第一级旁链路控制信息和/或第二级旁链路控制信息中通过第十指示域指示所述待传输业务信息;所述第十指示域为独立的指示域,或者,所述第十指示域为联合编码的指示域;
    其中,第十指示域的每个码点分别对应以下至少一个:
    待传输业务的数据量;
    待传输业务的时延需求;
    待传输业务的优先级;
    待传输业务的可靠性需求;
    待传输业务的传输速率需求;
    待传输业务的周期;
    待传输业务的通信范围需求。
  21. 一种信息传输方法,应用于第二设备,所述方法包括:
    接收第一设备发送的第一信息;所述第一信息用于触发所述第二设备进 行辅助信息传输或用于所述第二设备进行资源选择或预留。
  22. 根据权利要求21所述的方法,其中,所述第一信息包含以下至少一项信息:
    所述第一信息的类型指示信息;
    时域资源指示信息;
    频域资源指示信息;
    用于辅助信息传输的时间信息;
    第一信息发送端的标识信息;
    第一信息接收端的标识信息;
    所述第一设备的待传输业务信息。
  23. 根据权利要求22所述的方法,其中,所述第一设备的待传输业务的信息包含以下至少一项:
    待传输业务的数据量;
    待传输业务的时延信息;
    待传输业务的优先级;
    待传输业务的数据速率;
    待传输业务的可靠度;
    待传输业务的业务周期;
    待传输业务对应的通信范围需求值。
  24. 根据权利要求21所述的方法,其中,所述第一信息在目标信息中携带,所述目标信息包括以下至少一项:
    旁链路控制信息;
    下行控制信息;
    无线资源控制信息;
    直通链路无线资源控制信息;
    旁链路反馈控制信息;
    其中,所述旁链路控制信息还包括:第一级旁链路控制信息和第二级旁链路控制信息。
  25. 根据权利要求22所述的方法,其中,所述第一信息的类型指示信息 用于指示下述至少一项:
    指示所述第一信息不是用于触发辅助信息传输的触发信息;
    指示所述第一信息是用于触发辅助信息传输的触发信息。
  26. 根据权利要求21所述的方法,还包括:
    确定所述第一信息的类型;
    其中,所述确定所述第一信息的类型的方法包含以下至少一项:
    根据所述第一信息中第一信息类型指示信息指示的内容判断所述第一信息是否为用于触发辅助信息传输的触发信息;
    根据所述第一信息的格式和/或所述第一信息的格式长度判断所述第一信息是否为用于触发辅助信息传输的触发信息;
    根据所述第一信息的加扰RNTI判断所述第一信息是否为用于触发辅助信息传输的触发信息;
    根据所述第一信息的传输资源判断所述第一信息是否为用于触发辅助信息传输的触发信息。
  27. 根据权利要求21所述的方法,还包括:
    若所述第一信息为用于辅助信息传输的触发信息,根据所述第一信息指示的资源进行所述辅助信息的传输;
    或者,
    若所述第一信息为用于辅助信息传输的触发信息,且所述第一信息包含的第一信息接收端的标识信息与所述第二设备匹配,根据所述第一信息指示的资源进行所述辅助信息的传输;
    或者,
    若所述第一信息为用于辅助信息传输的触发信息,且所述第一信息接收端与第一信息发送端之间的距离满足预设条件,根据所述第一信息指示的资源进行所述辅助信息的传输;
    或者,
    若所述第一信息为用于辅助信息传输的触发信息,且所述第一信息包含的第一信息接收端的标识与所述第二设备匹配,且所述第一信息接收端与第一信息发送端之间的距离满足预设条件,根据所述第一信息指示的资源进行 所述辅助信息的传输。
  28. 根据权利要求21所述的方法,还包括:
    若所述第一信息不为用于辅助信息传输的触发信息,根据所述第一信息指示的资源进行数据传输的资源选择或预留;
    或者,
    若所述第一信息为用于辅助信息传输的触发信息,且所述第一信息包含的第一信息接收端的标识信息与所述第二设备不匹配,根据所述第一信息指示的资源进行数据传输的资源选择或预留;
    或者,
    若所述第一信息为用于辅助信息传输的触发信息,且所述第一信息接收端与第一信息发送端之间的距离不满足预设条件,根据所述第一信息指示的资源进行数据传输的资源选择或预留;
    或者,
    若所述第一信息为用于辅助信息传输的触发信息,且所述第一信息包含的第一信息接收端的标识与所述第二设备匹配,且所述第一信息接收端与第一信息发送端之间的距离不满足预设条件,根据所述第一信息指示的资源进行数据传输的资源选择或预留。
  29. 根据权利要求27所述的方法,其中,所述根据所述第一信息指示的资源进行所述辅助信息的传输,包括:
    在所述第一信息包含的时域资源指示信息和/或频域资源指示信息所指示的资源上传输所述辅助信息。
  30. 根据权利要求28所述的方法,其中,所述根据所述第一信息指示的资源进行所述辅助信息的传输,包括:
    根据所述第一信息包含的用于辅助信息传输的时间信息,在所述时间信息指示的时间窗口内选择辅助信息的传输资源并传输所述辅助信息。
  31. 根据权利要求28所述的方法,其中,所述根据所述第一信息指示的资源进行数据传输的资源选择或预留,包括:
    根据所述第一信息包含的时域资源指示信息和/或频域资源指示信息,在进行资源选择或者预留时,排除所述时域资源指示信息指示的时域资源和/或 所述频域资源指示信息指示的资源。
  32. 根据权利要求27或28所述的方法,其中,所述预设条件的确定方式包含以下至少一种:
    通过第一信息中的通信范围需求指示域中的指示信息确定;
    预定义确定;
    高层配置确定。
  33. 根据权利要求27所述的方法,其中,若所述第二设备传输的所述辅助信息中携带辅助信息接收端的标识;
    所述辅助信息接收端的标识与所述第一信息中第一信息发送端的标识相同。
  34. 根据权利要求27所述的方法,其中,若所述第一信息为用于触发辅助信息传输的触发信息,且所述第一信息中携带所述第一设备的待传输业务的资源的信息;所述方法还包括:
    根据所述第一设备的待传输业务信息,为所述第一设备的待传输业务选择资源,并通过所述辅助信息指示所述第一设备中用于数据传输的资源。
  35. 一种信息传输装置,应用于第一设备,包括:
    第一发送模块,用于向至少一个第二设备发送第一信息;所述第一信息用于触发所述第二设备进行辅助信息传输或用于所述第二设备进行资源选择或预留。
  36. 根据权利要求35所述的装置,其中,所述第一信息包含以下至少一项信息:
    所述第一信息的类型指示信息
    时域资源指示信息;
    频域资源指示信息;
    用于辅助信息传输的时间信息;
    第一信息发送端的标识信息;
    第一信息接收端的标识信息;
    所述第一设备的待传输业务信息。
  37. 根据权利要求36所述的装置,其中,所述第一设备的待传输业务的 信息包含以下至少一项:
    待传输业务的数据量;
    待传输业务的时延信息;
    待传输业务的优先级;
    待传输业务的数据速率;
    待传输业务的可靠度;
    待传输业务的业务周期;
    待传输业务对应的通信范围需求值。
  38. 一种信息传输装置,应用于第二设备,包括:
    第一接收模块,用于接收第一设备发送的第一信息;所述第一信息用于触发所述第二设备进行辅助信息传输或用于所述第二设备进行资源选择或预留。
  39. 根据权利要求38所述的装置,还包括:
    类型确定模块,用于确定所述第一信息的类型;
    其中,所述确定所述第一信息的类型的方法包含以下至少一项:
    根据所述第一信息中第一信息类型指示信息指示的内容判断所述第一信息是否为用于触发辅助信息传输的触发信息;
    根据所述第一信息的格式和/或所述第一信息的格式长度判断所述第一信息是否为用于触发辅助信息传输的触发信息;
    根据所述第一信息的加扰RNTI判断所述第一信息是否为用于触发辅助信息传输的触发信息;
    根据所述第一信息的传输资源判断所述第一信息是否为用于触发辅助信息传输的触发信息。
  40. 根据权利要求38所述的装置,还包括:
    第一传输模块,用于若所述第一信息为用于辅助信息传输的触发信息,根据所述第一信息指示的资源进行所述辅助信息的传输;
    或者,用于若所述第一信息为用于辅助信息传输的触发信息,且所述第一信息包含的第一信息接收端的标识信息与所述第二设备匹配,根据所述第一信息指示的资源进行所述辅助信息的传输;
    或者,用于若所述第一信息为用于辅助信息传输的触发信息,且所述第一信息接收端与第一信息发送端之间的距离满足预设条件,根据所述第一信息指示的资源进行所述辅助信息的传输;
    或者,用于若所述第一信息为用于辅助信息传输的触发信息,且所述第一信息包含的第一信息接收端的标识与所述第二设备匹配,且所述第一信息接收端与第一信息发送端之间的距离满足预设条件,根据所述第一信息指示的资源进行所述辅助信息的传输。
  41. 根据权利要求38所述的装置,还包括:
    资源处理模块,用于若所述第一信息不为用于辅助信息传输的触发信息,根据所述第一信息指示的资源进行数据传输的资源选择或预留;
    或者,用于若所述第一信息为用于辅助信息传输的触发信息,且所述第一信息包含的第一信息接收端的标识信息与所述第二设备不匹配,根据所述第一信息指示的资源进行数据传输的资源选择或预留;
    或者,用于若所述第一信息为用于辅助信息传输的触发信息,且所述第一信息接收端与第一信息发送端之间的距离不满足预设条件,根据所述第一信息指示的资源进行数据传输的资源选择或预留;
    或者,用于若所述第一信息为用于辅助信息传输的触发信息,且所述第一信息包含的第一信息接收端的标识与所述第二设备匹配,且所述第一信息接收端与第一信息发送端之间的距离不满足预设条件,根据所述第一信息指示的资源进行数据传输的资源选择或预留。
  42. 一种电子设备,包括处理器、存储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或指令,所述程序或指令被所述处理器执行时实现如权利要求1至20中任一项所述的信息传输方法的步骤;或者,所述程序或指令被所述处理器执行时实现如权利要求21至34中任一项所述的信息传输方法的步骤。
  43. 一种可读存储介质,所述可读存储介质上存储程序或指令,所述程序或指令被处理器执行时实现如权利要求1-20中任一项所述的信息传输方法的步骤;或者,所述程序或指令被处理器执行时实现如权利要求21-34中任一项所述的信息传输方法的步骤。
  44. 一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行程序或指令,实现如1-20中任一项所述的信息传输方法;或者,如权利要求21-34中任一项所述的信息传输方法。
  45. 一种电子设备,被配置成执行如权利要求1-20中任一项所述的信息传输方法;或者,如权利要求21-34中任一项所述的信息传输方法。
  46. 一种计算机程序产品,所述计算机程序产品被至少一个处理器执行以实现如权利要求1-20中任一项所述的信息传输方法;或者,如权利要求21-34中任一项所述的信息传输方法。
PCT/CN2021/093293 2020-05-12 2021-05-12 信息传输方法、装置及电子设备 WO2021228131A1 (zh)

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