WO2021056290A1 - Method, device and system for transmitting indication information - Google Patents

Abstract

The present application provides a method and device for transmitting indication information, the method and device being applicable to the Internet of vehicles, such as V2X, LTE-V, and V2V, or can be used in fields such as intelligent driving and intelligent connected vehicles. A first terminal device transmits to a second terminal device first indication information for indicating the number of time slots in a configuration period, the number of at least one uplink time slot in the configuration period, the number of at least one configurable time slot in the configuration period, and the position information of at least one uplink symbol in a configurable time slot in the at least one configurable time slot, and completes sidelink communication with the second terminal device on a resource indicated by the information. The indication method can reduce the delay of V2X communication and improve reliability.

Description

Method, device and system for transmitting instruction information Technical field

This application relates to the field of communications, and in particular to a method, device and system for transmitting indication information.

Background technique

Vehicle to vehicle (Vehicle to Vehicle, V2V) communication, vehicle to pedestrian V2P (Vehicle to Pedestrian, V2P) communication, or vehicle to infrastructure/network V2I/N (Vehicle to Infrastructure/Network, V2I/N) communication is a terminal device (terminal The technology of direct communication between devices), that is, direct communication. V2V, V2P, and V2I/N are collectively called V2X, that is, the car communicates with anything.

In the existing V2X technology, the subframe configuration of Time Division Duplex (TDD) is called TDD configuration. TDD configuration can configure subframes as uplink subframes, downlink subframes or special subframes, and V2X information can be For transmission in the uplink subframe, the TDD configuration is based on the granularity of the subframe. The uplink and downlink status of all symbols in the subframe are the same. All symbols in the subframe are used for uplink communication or all symbols in the subframe are used for uplink communication. Downlink transmission, which means that the switching delay between uplink communication and downlink communication is at the millisecond level, which cannot guarantee the ultra-low delay requirements of services in V2X communication.

In the existing New Radio (NR) technology, a downlink time slot D, an uplink time slot U, and a configurable time slot F are introduced. The TDD configuration in the configurable time slot is based on the symbol granularity, that is, different symbols in the same time slot can be in different uplink and downlink states. This kind of TDD configuration needs to indicate the use of downlink time slot D, uplink time slot U, configurable time slot F, and symbols in the configurable time slot. Nearly 35 bits are needed to transmit the TDD configuration. Therefore, the transmission code rate of TDD configuration is relatively high. Reduced reliability.

Therefore, there is currently no TDD configuration in V2X communication that can meet the low latency and high reliability requirements of V2X communication.

Summary of the invention

The present application provides a method, device, and system for transmitting instruction information, which can reduce the time delay of V2X communication and improve reliability.

In the first aspect, a method for sending indication information is provided. The method may be executed by the first terminal device. The first terminal device may also be a module or a chip in the first terminal device. A terminal device may also be a chip or a system on a chip, and the method includes: the first terminal device sends first indication information to the second terminal device, where the first indication information is used to indicate the number of time slots in the configuration period , The number of at least one uplink time slot in the configuration period, the number of at least one configurable time slot in the configuration period, and at least one uplink symbol in the configurable time slot in the at least one configurable time slot的 location information; the first terminal device transmits to the second terminal device on at least one uplink symbol in the configurable time slot in the at least one uplink time slot and/or the at least one configurable time slot Sideline information, or the first terminal device receives from the second terminal on at least one uplink symbol in the configurable time slot of the at least one uplink time slot and/or the at least one configurable time slot Sideline information of the device.

Through the embodiment of the present application, the first terminal device sends the first indication information to the second terminal device, and the first indication information is used to indicate the number of time slots in the configuration period and the number of time slots in the configuration period. The number of at least one uplink time slot, the number of at least one configurable time slot in the configuration period, and the position information of at least one uplink symbol in a configurable time slot in the at least one configurable time slot, the first An indication information indicates that the second terminal device indicates the resources used for transmitting sideline information at the time slot granularity and the symbol granularity, which effectively reduces the time delay of the V2X communication. At the same time, since the method only indicates the position of the uplink time slot and/or the uplink symbol used to transmit the side line information, the number of bits of the first indication information is saved, thereby improving the reliability.

In a possible design, the first terminal device sends second indication information to the second terminal device, where the second indication information is used to indicate the M uplink time slots in the at least one uplink time slot And/or N uplink symbols in at least one uplink symbol in the configurable time slot in the at least one configurable time slot, where M and N are integers greater than or equal to 1; The at least one uplink time slot and/or the at least one uplink symbol in the configurable time slot in the at least one configurable time slot sending sideline information to the second terminal device includes: the first terminal device is in Sending sideline information to the second terminal device in the M uplink time slots and/or the N uplink symbols; or the first terminal device in the at least one uplink time slot and/or the at least Receiving the sideline information from the second terminal device on at least one uplink symbol in the configurable time slot in one configurable time slot includes: the first terminal device is in the M uplink time slots and/or Receiving sideline information from the second terminal device on the N uplink symbols.

Through the above method, the first terminal device sends second indication information to the second terminal device, the second indication information indicating M time slots and/or configurable time slots in the at least one time slot N uplink symbols in at least one uplink symbol in the at least one uplink symbol to transmit side line information, that is, to indicate part or all of the at least one uplink symbol in the at least one time slot and/or part or all of the at least one uplink symbol in the at least one time slot. All uplink symbols are used to transmit side-line information, which further improves the flexibility of V2X communication.

In a possible design, the configurable time slot in the at least one configurable time slot includes at least one flexible symbol, and the method further includes: the first terminal device sends a third terminal device to the second terminal device. Indication information, the third indication information is used to indicate that the P flexible symbols in the configurable time slot in the at least one configurable time slot are used for sending or receiving sideline information, and the P flexible symbols belong to all For the at least one flexible symbol, the P is an integer greater than or equal to 1; the first terminal device sends sideline information to the second terminal device on the P flexible symbols, or the first terminal device is Receiving sideline information from the second terminal device on the P flexible symbols.

Through the above method, the first terminal device sends third indication information to the second terminal device, and the third indication information is used to indicate P of the configurable time slots in the at least one configurable time slot. The flexible symbols are used for sending or receiving sideline information, that is, instructing part or all of the flexible symbols in the at least one configurable time slot to transmit sideline information, thereby further improving the flexibility of V2X communication.

In a possible design, the first terminal device receives control information from a network device, and the control information is used to indicate the number of time slots in the configuration period and the number of uplink time slots in the configuration period. , The number of configurable time slots in the configuration period and the position information of the uplink symbols in the configurable time slot; or the first terminal device autonomously determines the number of time slots in the configuration period and the configuration The number of uplink time slots in the period, the number of configurable time slots in the configuration period, and the position information of the uplink symbols in the configurable time slot.

In a possible design, the first indication information includes first side line control information and second side line control information, and the first side line control information is used to indicate the number of time slots and the number of time slots in the configuration period. The number of at least one uplink time slot in the configuration period, and the second side row control information is used to indicate the number of at least one configurable time slot in the configuration period and the number of the at least one configurable time slot. The position information of at least one uplink symbol in the configurable time slot; the first terminal device sending the first indication information to the second terminal device includes: the first terminal device sending to the second terminal device The first side row control information; the first terminal device sends the second side row control information to the second terminal device. In a possible design, the number of bits required for transmitting the first side line control information is the same as the number of bits required for the second side line control information.

Through the above method, the number of bits occupied by the first side row control information and the second side row control information is the same, so that the decoding performance of the first side row control information and the second side row control information are the same.

In a possible design, the first indication information is carried in a physical side-line broadcast channel PSBCH and sent; or the first side-line control information is carried in a first physical side-line broadcast channel and sent, and the The two-side line control information is carried in the second physical side line broadcast channel and sent.

Through the above method, the first indication information can be carried in one physical side-line broadcast channel for transmission, or it can be carried in two or more physical side-line broadcast channels and sent in one physical side-line control channel. The solution is relatively simple and has low complexity; the first side row control information and the second side row control information are carried in two physical side row broadcast channels and sent separately, which can further reduce the configuration information in the physical side row control channel The number of bits can improve decoding performance and communication reliability. In a second aspect, a method for sending indication information is provided. The method may be executed by the second terminal device. The second terminal device may also be a module or a chip in the second terminal device. The second terminal device may also be a chip or a system on a chip, and the method includes: the second terminal device receives first indication information from the first terminal device, and the first indication information is used to indicate the time slot in the configuration period Number, the number of at least one uplink time slot in the configuration period, the number of at least one configurable time slot in the configuration period, and at least one uplink time slot in the configurable time slot in the at least one configurable time slot Symbol position information; the second terminal device is on at least one uplink symbol in a configurable time slot in the at least one uplink time slot and/or the at least one configurable time slot according to the first indication information Receive side information from the first terminal device, or the second terminal device may be configurable in the at least one uplink time slot and/or the at least one configurable time slot according to the first indication information The side line information is sent to the first terminal device on at least one uplink symbol in the time slot.

Through the embodiment of the present application, the second terminal device receives the first indication information from the first terminal device, and the first indication information is used to indicate the number of time slots in the configuration period and the number of time slots in the configuration period. The number of at least one uplink time slot, the number of at least one configurable time slot in the configuration period, and the position information of at least one uplink symbol in the configurable time slot in the at least one configurable time slot, the The first indication information indicates to the second terminal device the resources used for transmitting sideline information at the time slot granularity and the symbol granularity, which effectively reduces the time delay of the V2X communication. At the same time, since the method only indicates the position of the uplink time slot and/or the uplink symbol used to transmit the side line information, the number of bits of the first indication information is saved, thereby improving the reliability.

In a possible design, the second terminal device receives second indication information from the first terminal device, and the second indication information is used to indicate the M uplink time slots in the at least one uplink time slot. Slot and/or N uplink symbols in at least one uplink symbol in the configurable time slot in the at least one configurable time slot, where M and N are integers greater than or equal to 1; the second terminal device is based on The second indication information sending sideline information to the first terminal device on at least one uplink symbol in the at least one uplink time slot and/or the configurable time slot in the at least one configurable time slot includes : The second terminal device sends side-line information to the first terminal device on the M uplink time slots and/or the N uplink symbols according to the second indication information; or the second terminal device transmits sideline information according to The second indication information that the sideline information from the first terminal device is received on at least one uplink symbol in the at least one uplink time slot and/or the configurable time slot in the at least one configurable time slot includes: The second terminal device receives the side line information from the first terminal device on the M uplink time slots and/or the N uplink symbols according to the second indication information.

Through the above method, the second terminal device receives second indication information from the first terminal device, and the second indication information indicates M time slots and/or configurable time slots in the at least one time slot. N uplink symbols in at least one uplink symbol in the slot are used to transmit sideline information, that is, to indicate part or all of the time slots in the at least one time slot and/or part of at least one uplink symbol in the configurable time slot Or all uplink symbols are used to transmit side-line information, which further improves the flexibility of V2X communication.

In a possible design, the configurable time slot in the at least one configurable time slot includes at least one flexible symbol, and the method further includes: the second terminal device receives the first terminal device from the first terminal device. Three indication information, the third indication information is used to indicate that the P flexible symbols in the configurable time slot in the at least one configurable time slot are used for sending or receiving sideline information, and the P flexible symbols belong to For the at least one flexible symbol, the P is an integer greater than or equal to 1; the second terminal device receives sideline information from the first terminal device on the P flexible symbols, or the second terminal The device sends sideline information to the first terminal device on the P flexible symbols.

Through the above method, the second terminal device receives the third indication information from the first terminal device, and the third indication information is used to indicate the P in the configurable time slot of the at least one configurable time slot. One flexible symbol is used for sending or receiving sideline information, that is, instructing part or all of the flexible symbols in the at least one configurable time slot to transmit sideline information, thereby further improving the flexibility of V2X communication.

In a possible design, the first indication information includes first side line control information and second side line control information, and the first side line control information is used to indicate the number of time slots and the number of time slots in the configuration period. The number of at least one uplink time slot in the configuration period, and the second side row control information is used to indicate the number of at least one configurable time slot in the configuration period and the number of the at least one configurable time slot. The position information of at least one uplink symbol in a configurable time slot; the second terminal device receiving the first indication information from the first terminal device includes: the second terminal device receiving information from the first terminal The first side line control information of the device; the second terminal device receives the second side line control information from the first terminal device.

In a possible design, the number of bits required for transmitting the first side line control information is the same as the number of bits required for the second side line control information.

Through the above method, the number of bits occupied by the first side row control information and the second side row control information is the same, and the first side row control information and the second side row control information are respectively carried in two One or more physical side channel transmissions provide the possibility to increase the diversity of the ways in which the indication information is sent on the physical side channel.

In a possible design, the first indication information carried in a physical side line broadcast channel PSBCH is received; or the first side control information carried in the first physical side line broadcast channel is received, so The second side line control information is carried in the second physical side line broadcast channel and is received.

Through the above method, the first indication information can be carried in one physical side-line broadcast channel for transmission, or it can be carried in two or more physical side-line broadcast channels and sent in one physical side-line control channel. The solution is relatively simple and has low complexity; the first side row control information and the second side row control information are carried in two physical side row broadcast channels and sent separately, which can further reduce the configuration information in the physical side row control channel The number of bits can improve decoding performance and communication reliability.

In the third aspect, a first terminal device is provided, and the beneficial effects can be referred to the description of the first aspect, which will not be repeated here. The device may be the first terminal device, a chip or module in the first terminal device, or a chip or a system-on-chip. The device includes: a transceiver unit for sending to a second terminal device First indication information, where the first indication information is used to indicate the number of time slots in the configuration period, the number of at least one uplink time slot in the configuration period, and the number of at least one configurable time slot in the configuration period And the position information of at least one uplink symbol in the configurable time slot in the at least one configurable time slot; the transceiver unit is further configured to perform when the at least one uplink time slot and/or the at least one configurable time slot The side line information is sent to the second terminal device on at least one uplink symbol in the configurable time slot in the slot, or the transceiver unit is configured to transmit sideline information to the second terminal device in the at least one uplink time slot and/or the at least one available The side line information from the second terminal device is received on at least one uplink symbol in the configurable time slot in the configuration time slot.

In a possible design, the transceiving unit is further configured to send second indication information to the second terminal device, and the second indication information is used to indicate the M uplink time slots in the at least one uplink time slot. Slot and/or N uplink symbols in at least one uplink symbol in the configurable time slot in the at least one configurable time slot, where M and N are integers greater than or equal to 1, and the transceiver unit is in the Sending sideline information to the second terminal device on at least one uplink time slot and/or at least one uplink symbol in the configurable time slot in the at least one configurable time slot includes: the transceiving unit is in the M Sending side-line information to the second terminal device on one uplink time slot and/or the N uplink symbols; or the transceiver unit uses the at least one uplink time slot and/or the at least one configurable time slot The receiving side line information from the second terminal device on at least one uplink symbol in the configurable time slot in the configurable time slot includes: the transceiver unit receives the side line information from the second terminal device on the M uplink time slots and/or the N uplink symbols. The side information of the second terminal device.

In a possible design, the configurable time slot in the at least one configurable time slot includes at least one flexible symbol, and the transceiver unit is further configured to send third indication information, and the third indication information is used to indicate The P flexible symbols in the configurable time slot in the at least one configurable time slot are used for sending or receiving sideline information, the P flexible symbols belong to the at least one flexible symbol, and the P is greater than or equal to An integer of 1; the transceiver unit sends sideline information to the second terminal device on the P flexible symbols, or the transceiver unit receives information from the second terminal device on the P flexible symbols Side line information.

In a possible design, the transceiver unit receives control information from a network device, where the control information is used to indicate the number of time slots in the configuration period, the number of uplink time slots in the configuration period, and The number of configurable time slots in the configuration period and the position information of the uplink symbols in the configurable time slot; or a determining unit for determining the number of time slots in the configuration period and the uplink symbol in the configuration period The number of time slots, the number of configurable time slots in the configuration period, and the position information of uplink symbols in the configurable time slot.

In a possible design, the first indication information includes first side line control information and second side line control information, and the first side line control information is used to indicate the number of time slots and the number of time slots in the configuration period. The number of at least one uplink time slot in the configuration period, and the second side row control information is used to indicate the number of at least one configurable time slot in the configuration period and the number of the at least one configurable time slot. The position information of at least one uplink symbol in a configurable time slot; the sending and receiving unit sending the first indication information to the second terminal device includes: the sending and receiving unit sending the first side row to the second terminal device Control information; the transceiver unit sends second side line control information to the second terminal device.

In a possible design, the number of bits required to transmit the first side row control information is the same as the number of bits required to transmit the second side row control information.

In a possible design, the first indication information is carried in a physical side-line broadcast channel PSBCH and sent; or the first side-line control information is carried in a first physical side-line broadcast channel and sent, and the The two-side line control information is carried in the second physical side line broadcast channel and sent.

In the fourth aspect, a second terminal device is provided. For beneficial effects, reference may be made to the description of the second aspect, which will not be repeated here. The device may be a second terminal device, a chip or module in the second terminal device, or a chip or a system-on-chip. The device includes: a transceiver unit for receiving first indication information, An indication information is used to indicate the number of time slots in the configuration period, the number of at least one uplink time slot in the configuration period, the number of at least one configurable time slot in the configuration period, and the at least one configurable time slot Position information of at least one uplink symbol in the configurable time slot in the slot; the transceiver unit is further configured to perform the at least one uplink time slot and/or the at least one configurable time slot according to the first indication information The side line information from the first terminal device is received on at least one uplink symbol in the configurable time slot in the configurable time slot, or the transceiving unit is configured to use the at least one uplink time slot and /Or sending side-line information to the first terminal device on at least one uplink symbol in the configurable time slot in the at least one configurable time slot.

In a possible design, the transceiving unit is further configured to receive second indication information from the first terminal device, and the second indication information is used to indicate M uplink time slots in the at least one uplink time slot. N uplink symbols in a time slot and/or at least one uplink symbol in a configurable time slot in the at least one configurable time slot, where M and N are integers greater than or equal to 1; The second indication information sending sideline information to the first terminal device on at least one uplink symbol in the at least one uplink time slot and/or the configurable time slot in the at least one configurable time slot includes: The transceiving unit sends side-line information to the first terminal device on the M uplink time slots and/or the N uplink symbols according to the second indication information; or the transceiving unit sends the side line information to the first terminal device according to the second indication information. The at least one uplink time slot and/or the at least one uplink symbol in the configurable time slot in the at least one configurable time slot receiving sideline information from the first terminal device includes: the transceiver unit according to The second indication information receives the side line information from the first terminal device on the M uplink time slots and/or the N uplink symbols.

In a possible design, the configurable time slot in the at least one configurable time slot includes at least one flexible symbol, and the transceiver unit is further configured to receive third indication information, and the third indication information is used to indicate The P flexible symbols in the configurable time slot in the at least one configurable time slot are used for sending or receiving sideline information, the P flexible symbols belong to the at least one flexible symbol, and the P is greater than or equal to An integer of 1; the transceiving unit receives sideline information from the first terminal device on the P flexible symbols, or the transceiving unit transmits to the first terminal device on the P flexible symbols Sideline information.

In a possible design, the first indication information includes first side line control information and second side line control information, and the first side line control information is used to indicate the number of time slots and the number of time slots in the configuration period. The number of at least one uplink time slot in the configuration period, and the second side row control information is used to indicate the number of at least one configurable time slot in the configuration period and the number of the at least one configurable time slot. The position information of at least one uplink symbol in the configurable time slot; the receiving, by the transceiver unit, the first indication information from the first terminal device includes: the transceiver unit receiving the first indication from the first terminal device Side control information; the transceiver unit receives second side control information from the first terminal device.

The number of bits required for transmitting the first side line control information is the same as the number of bits required for the second side line control information.

In a possible design, the first indication information carried in a physical side line broadcast channel PSBCH is received; or the first side control information carried in the first physical side line broadcast channel is received, so The second side line control information is carried in the second physical side line broadcast channel and is received.

In a fifth aspect, the embodiments of the present application provide a computer-readable storage medium that stores instructions in the computer-readable storage medium, which when run on a computer, causes the computer to execute the methods described in the foregoing aspects.

In the sixth aspect, the embodiments of the present application provide a computer program product, the computer program product is used to store a computer program, and when the computer program runs on a computer, the computer can execute the computer program as described in any of the above aspects. Methods.

In a seventh aspect, an embodiment of the present application provides a chip or a device for transmitting instruction information, including: at least one processor, the at least one processor is coupled to a memory, the memory includes instructions, and the at least one processor runs The instruction causes the device for transmitting a common signal to execute the method related to the first aspect or the second aspect described above.

In an eighth aspect, an embodiment of the present application provides a system that includes the first terminal device and the second terminal device of the foregoing aspect.

Description of the drawings

Fig. 1 is a schematic architecture diagram of a system according to an embodiment of the present application.

Fig. 2 is a method for sending instruction information, a first terminal device, a second terminal device, and a system according to an embodiment of the present application.

Fig. 3 is a schematic diagram of an information indication according to an embodiment of the present application.

Fig. 4 is a schematic diagram of an information indication according to an embodiment of the present application.

Fig. 5 is a schematic diagram of an information indication according to an embodiment of the present application.

Fig. 6 is a schematic diagram of information sending according to an embodiment of the present application.

Fig. 7 is a first terminal device according to an embodiment of the present application.

Fig. 8 is a second terminal device according to an embodiment of the present application.

Fig. 9 is a communication device according to an embodiment of the present application.

Fig. 10 is a communication device according to an embodiment of the present application.

detailed description

Figure 1 is a schematic diagram of a scenario involved in an embodiment of this application. In Figure 1, a first terminal device sends instruction information to a second terminal device. The instruction information is used to indicate resources available for sideline communication. The resource indicated by the indication information is to send information to the second terminal device or receive information from the second terminal device.

Hereinafter, some terms in the embodiments of the present application will be explained to facilitate the understanding of those skilled in the art.

1) Terminal device. The first terminal device or the second terminal device involved in this application may include various devices with wireless communication functions or units, components, modules, devices, chips, or SOCs in this device. The wireless communication device may be, for example, a vehicle-mounted device, a wearable device, a computing device, or other devices connected to a wireless modem, a mobile station (MS), a terminal (terminal), or a user equipment (UE). When the first to second terminal devices are vehicle-mounted equipment, they can be placed or installed in the vehicle. The vehicle-mounted equipment can be regarded as a part of the vehicle, and can also be regarded as a module or a module installed in the vehicle. The vehicle-mounted terminal device can also be called a vehicle-mounted device. Unit (On Board Unit, OBU).

The first or second terminal device involved in the embodiment of the present application may also include a device that provides voice and/or data connectivity to the user. Specifically, it includes a device that provides voice to the user or includes a device that provides data connectivity to the user. Devices, or devices that provide users with voice and data connectivity. For example, it may include a handheld device with a wireless connection function, or a processing device connected to a wireless modem. The terminal device can communicate with the core network via a radio access network (RAN), exchange voice or data with the RAN, or exchange voice and data with the RAN. The terminal device may include user equipment (UE), wireless terminal equipment, mobile terminal equipment, device-to-device communication (device-to-device, D2D) terminal equipment, vehicle to everything (V2X) terminal equipment , Machine-to-machine/machine-type communications (M2M/MTC) terminal equipment, Internet of things (IoT) terminal equipment, subscriber unit, subscriber station (subscriber) station), mobile station (mobile station), remote station (remote station), access point (access point, AP), remote terminal (remote terminal), access terminal (access terminal), user terminal (user terminal), user Agent (user agent), or user equipment (user device), etc. For example, it may include mobile phones (or "cellular" phones), computers with mobile terminal equipment, portable, pocket-sized, hand-held, mobile devices with built-in computers, and so on. For example, personal communication service (PCS) phones, cordless phones, session initiation protocol (SIP) phones, wireless local loop (WLL) stations, personal digital assistants, PDA), and other equipment. It also includes restricted devices, such as devices with low power consumption, or devices with limited storage capabilities, or devices with limited computing capabilities. Examples include barcodes, radio frequency identification (RFID), sensors, global positioning system (GPS), laser scanners and other information sensing equipment.

As an example and not a limitation, the first or second terminal device involved in the embodiment of the present application may also be a wearable device. Wearable devices can also be called wearable smart devices or smart wearable devices, etc. It is a general term for using wearable technology to intelligently design daily wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes Wait. A wearable device is a portable device that is directly worn on the body or integrated into the user's clothes or accessories. Wearable devices are not only a kind of hardware device, but also realize powerful functions through software support, data interaction, and cloud interaction. In a broad sense, wearable smart devices include full-featured, large-sized, complete or partial functions that can be achieved without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, and need to cooperate with other devices such as smart phones. Use, such as all kinds of smart bracelets, smart helmets, smart jewelry, etc. for physical sign monitoring.

The terminal device may be a terminal device, or a module for realizing the functions of the terminal device. The module may be set in the terminal device or may be set independently of the terminal device. The module may be, for example, a chip, a chip system, or System-on-a-chip, etc.

2) A network device, for example, includes access network (AN) equipment, such as a base station (for example, an access point), which can refer to equipment that communicates with wireless terminal equipment through one or more cells on the air interface in the access network Or, for example, a network device in a vehicle-to-everything (V2X) technology is a road side unit (RSU). The base station can be used to convert the received air frame and IP packet to each other, as a router between the terminal device and the rest of the access network, where the rest of the access network can include the IP network. The RSU can be a fixed infrastructure entity that supports V2X applications, and can exchange messages with other entities that support V2X applications. The network equipment can also coordinate the attribute management of the air interface. For example, the network device may include a long term evolution (LTE) system or an evolved base station (NodeB or eNB or e-NodeB, evolutional Node B) in a long term evolution-advanced (LTE-A) system, or may comprise a fifth generation mobile communication technology ^(the 5 ^th generation, 5G) a new air interface (new radio, NR) system (also referred to as NR system) Next Generation node B (next generation node B, gNB ) or else It may include a centralized unit (CU) and a distributed unit (DU) in a cloud radio access network (Cloud RAN) system, which is not limited in the embodiment of the present application.

3) The V2X communication in the embodiment of this application is the interconnection between the car and the outside world, which is the foundation and key technology of the future smart car, autonomous driving, and smart transportation system. V2X will optimize the specific application requirements of V2X based on the existing device-to-device (D2D) technology. It is necessary to further reduce the access delay of V2X devices and solve the problem of resource conflicts.

V2X specifically includes vehicle-to-vehicle (V2V), vehicle-to-infrastructure (V2I), vehicle-to-pedestrian (V2P) direct communication, and There are several application requirements such as vehicle-to-network (V2N) communication and interaction. As shown in Figure 1. V2V refers to the communication between vehicles; V2P refers to the communication between vehicles and people (including pedestrians, cyclists, drivers, or passengers); V2I refers to the communication between vehicles and network equipment, such as RSU, and There is another type of V2N that can be included in V2I. V2N refers to the communication between the vehicle and the base station/network.

Among them, V2P can be used as a safety warning for pedestrians or non-motorized vehicles on the road. Through V2I, vehicles can communicate with roads and even other infrastructure, such as traffic lights, roadblocks, etc., to obtain road management information such as traffic light signal timing. V2V can be used for information interaction and reminding between vehicles, and the most typical application is for the anti-collision safety system between vehicles. V2N is currently the most widely used form of Internet of Vehicles. Its main function is to connect vehicles to a cloud server through a mobile network, and use the navigation, entertainment, or anti-theft application functions provided by the cloud server.

In V2X, it is mainly the communication between terminal equipment and terminal equipment. For the transmission mode between terminal equipment and terminal equipment, the current standard protocols support broadcast, multicast, and unicast.

Broadcast mode: The broadcast mode means that the terminal device as the sender uses the broadcast mode to send data, and multiple terminal device ends can receive sidelink control information (SCI) or sidelink sharing from the sender Channel (sidelink shared channel, SSCH).

In the side link, the way to ensure that all terminal devices parse the control information from the sender is that the sender does not scramble the control information, or the sender uses a scrambling code known to all terminal devices to add to the control information. Disturb.

Multicast mode: The multicast mode is similar to broadcast transmission. The terminal equipment as the sender uses the broadcast mode for data transmission, and a group of terminal equipment can parse SCI or SSCH.

Unicast mode: The unicast mode is that one terminal device sends data to another terminal device, and other terminal devices do not need or cannot parse the data.

4) Sidelink refers to the link between the terminal device and the terminal device. The uplink refers to the link through which the terminal device transmits information to the network device, and the downlink refers to the link through which the terminal device receives information from the network device.

5) The terms "system" and "network" in the embodiments of this application can be used interchangeably. "At least one" means one or more, and "plurality" means two or more. "And/or" describes the association relationship of the associated objects, indicating that there can be three relationships, for example, A and/or B, which can mean: A alone exists, A and B exist at the same time, and B exists alone, where A, B can be singular or plural. The character "/" generally indicates that the associated objects before and after are in an "or" relationship. "The following at least one item (a)" or similar expressions refers to any combination of these items, including any combination of a single item (a) or a plurality of items (a). For example, at least one of a, b, or c can mean: a, b, c, ab, ac, bc, or abc, where a, b, and c can be single or multiple .

And, unless otherwise stated, the ordinal numbers such as "first" and "second" mentioned in the embodiments of this application are used to distinguish multiple objects, and are not used to limit the order, timing, priority, or order of multiple objects. Importance. For example, the first power control factor and the second power control factor are only for distinguishing different power control factors, and do not necessarily indicate the difference in content, priority, or importance of the two power control factors.

The method, device, and system for transmitting instruction information involved in the embodiments of the present application can be used in the direct communication fields such as V2X, Internet of Vehicles, Internet-connected vehicles, intelligent Internet-connected vehicles, intelligent driving, assisted driving, and device-to-device communication.

The following describes the embodiments of the present application in more detail with reference to specific examples, taking the first terminal device, the second terminal device, and the network device as examples.

Fig. 2 is a method for sending instruction information, a first terminal device, a second terminal device, and a system provided by an embodiment of the application.

As shown in FIG. 7, the first terminal device includes a transceiving unit 71 and a determining unit 72. As shown in FIG. 8, the second terminal device includes a transceiver unit 81.

When the first or second terminal device is a terminal device or user equipment, the transceiving unit 71 and the transceiving unit 81 can be transceivers, the transceiving unit 71 and the transceiving unit 81 can be transmitters, and the transceiving unit 71 and the transceiving unit 81 can be The receiver, the transceiver, transmitter or receiver may be a radio frequency circuit. When the first or second terminal device includes a storage unit, the storage unit is used to store computer instructions. The processor is in communication with the memory, and the processor executes The computer instructions stored in the memory cause the first terminal device and the second terminal device to execute the method involved in the embodiment in FIG. 2. Among them, the processor may be a general-purpose central processing unit (CPU), a microprocessor, or an application specific integrated circuit (ASIC).

When the first terminal device, the second terminal device or the network device is a chip, the transceiver unit 71 and the transceiver unit 81 may be output interfaces, pins, circuits, or the like. The processing unit can execute the computer-executable instructions stored in the storage unit, so that the chip in the first terminal device or the second terminal device executes the method involved in FIG. 2. Optionally, the storage unit is a storage unit in the chip, such as a register, a cache, etc., and the storage unit may also be a storage unit in the terminal located outside the chip, such as a read-only memory (Read Only Memory). Only Memory (ROM) or other types of static storage devices that can store static information and instructions, Random Access Memory (RAM), etc.

The specific steps of the method for sending instruction information involved in the embodiment of FIG. 2 are as follows:

In step S201, the transceiver unit 71 of the first terminal device sends first instruction information to the second terminal device, and the transceiver unit 81 of the second terminal device receives the first instruction information from the first terminal device. This first indication information is used to indicate the number of time slots in the configuration period, the number of at least one uplink time slot in the configuration period, the number of at least one configurable time slot in the configuration period, and the at least one available time slot. The position information of at least one uplink symbol in the configurable time slot in the configuration time slot. Optionally, the first indication information may indicate the number of time slots in the configuration period, the number of at least one uplink time slot in the configuration period, the number of at least one configurable time slot in the configuration period, and the number of at least one configurable time slot in the configuration period. At least one piece of information in the position information of at least one uplink symbol in a configurable time slot in a configurable time slot.

Optionally, the number of time slots in the configuration period, the number of at least one uplink time slot in the configuration period, the number of at least one configurable time slot in the configuration period, and the number of time slots in the at least one configurable time slot Four pieces of information such as the position information of at least one uplink symbol in the configurable time slot can be indicated by one indication information, for example, all of the four pieces of information are indicated in the first indication information; it can also be indicated by multiple indication information For example, part of the four messages is indicated in one indication message, and the other part is indicated in the other indication message. Optionally, the first indication information is used to indicate the number of time slots in the configuration period, the number of at least one uplink time slot in the configuration period, the number of at least one configurable time slot in the configuration period, and the number of time slots in the configuration period. In addition to the position information of the at least one uplink symbol in the configurable time slot in the at least one configurable time slot, other information may also be indicated. Preferably, since the time slots or symbols in the configurable period can be used for downlink information transmission, uplink information transmission, and sideline information transmission, and the transmission resources of sideline information are generally resources for multiplexing uplink information transmission, therefore, The other information indicated by the first indication information does not include the location or resource distribution information of downlink time slots or symbols, that is, the first indication information only indicates the number of uplink time slots or symbols in a configurable period. , The number of bits of the first indication information can be saved, and the reduction of the number of bits can make the transmission of the indication information more simplified and stable, that is, the reliability of V2X communication is improved.

In step S202, the transceiver unit 71 of the first terminal device transmits to the second uplink symbol on the at least one uplink symbol in the configurable time slot in the at least one uplink time slot and/or the at least one configurable time slot. The terminal device sends sideline information, and the transceiver unit 81 of the second terminal device receives on at least one uplink symbol in the configurable time slot of the at least one uplink time slot and/or the at least one configurable time slot Sideline information from the first terminal device, or the transceiver unit 81 of the second terminal device in the configurable time slot of the at least one uplink time slot and/or the at least one configurable time slot The first terminal device sends sideline information on at least one uplink symbol, and the transceiver unit 71 of the first terminal device is configurable when the at least one uplink time slot and/or the at least one configurable time slot is configurable. The side line information from the second terminal device is received on at least one uplink symbol in the slot. That is, in step 202, the first terminal device and the second terminal device perform side-line communication on the resource indicated by the first indication information in step S201. Optionally, this side-line information may be side-line control information (Sidelink Control Information, SCI) or side-line transmission data or other information.

Through the above method, the first terminal device sends the first indication information to the second terminal device, where the first indication information is used to indicate the number of time slots in the configuration period and at least one uplink time slot in the configuration period The number of at least one configurable time slot in the configuration period, the number of at least one configurable time slot in the configuration period, and the position information of at least one uplink symbol in the configurable time slot in the at least one configurable time slot, and the first indication information is the second terminal The device indicates the resources used for transmitting sideline information at the time slot granularity and the symbol granularity, which effectively reduces the delay of V2X communication. At the same time, since the method only indicates the position of the uplink time slot and/or the uplink symbol used to transmit the side line information, the number of bits of the first indication information is saved, thereby improving the reliability.

As shown in Figure 3, in a typical TDD uplink and downlink configuration cycle, there are dozens of time slots, starting from the left are continuous downlink time slots, followed by continuous configurable time slots, and finally continuous uplink time slots. The first indication information sent by the first terminal device is used to indicate the number of time slots in the configuration period, the number of at least one uplink time slot in the configuration period, the number of at least one configurable time slot in the configuration period, and Position information of at least one uplink symbol in the at least one configurable time slot. Optionally, the configuration period refers to the allocation or designation of the resource state or use within a time period, with the time slot or symbol or milliseconds as the granularity. As shown in Figure 3, the configuration period configures which time slots in a certain time slot. Slots or symbols are used for uplink, which time slots or symbols are used for downlink or side row. Optionally, the configuration period can be pre-defined by the protocol or allocated by the base station.

Optionally, the transceiver unit 71 of the first terminal device sends second instruction information to the second terminal device, and the transceiver unit 81 of the second terminal device receives the second instruction from the first terminal device information. The second indication information is used to indicate the M uplink time slots in the at least one uplink time slot and/or N of the at least one uplink symbol in the configurable time slot in the at least one configurable time slot Uplink symbol; the transceiver unit 71 of the first terminal device transmits to the second terminal device on at least one uplink symbol in the configurable time slot of the at least one uplink time slot and/or the at least one configurable time slot The sending side-line information includes: the transceiver unit 71 of the first terminal device sends the side-line information to the second terminal device on the M uplink time slots and/or the N uplink symbols, and the second terminal device The transceiver unit 81 of the first terminal device receives sideline information from the first terminal device on the M uplink time slots and/or the N uplink symbols; or the transceiver unit 71 of the first terminal device receives the sideline information from the first terminal device in the at least Receiving sideline information from the second terminal device on at least one uplink symbol in the configurable time slot in one uplink time slot and/or the at least one configurable time slot includes: receiving and sending of the second terminal device The unit 81 sends sideline information to the transceiving unit 71 of the first terminal device on the M uplink time slots and/or the N uplink symbols, and the transceiving unit 71 of the first terminal device is in the M uplink time slots and/or the N uplink symbols. Receiving side-line information from the second terminal device on the uplink time slot and/or the N uplink symbols. Through the above method, the first terminal device sends second indication information to the second terminal device, the second indication information indicating the M time slots in the at least one time slot and/or at least one uplink in the configurable time slot The N uplink symbols in the symbol are used to transmit side-line information, that is, part or all of the uplink symbols in the at least one uplink symbol in the at least one time slot and/or part or all of the uplink symbols in the configurable time slot are to be transmitted. Sideline information further improves the flexibility of V2X communication. As shown in FIG. 4, the second indication information is used to indicate the M uplink time slots in the at least one uplink time slot and/or at least one uplink symbol in the configurable time slot in the at least one configurable time slot For the N uplink symbols in, the uplink time slot or uplink symbol may be used as a side resource for communication between the first terminal device and the second terminal device. Therefore, the process of indicating the sideline communication with the second terminal device can be completed without indicating the number of time slots in the configuration period and the number of at least one configurable time slot in the configuration period.

Optionally, the transceiver unit 71 of the first terminal device sends third instruction information to the second terminal device, and the transceiver unit 81 of the second terminal device receives the third instruction from the first terminal device information. Since the configurable time slot in the at least one configurable time slot includes at least one flexible symbol, the third indication information is used to indicate the P flexible symbols in the configurable time slot in the at least one configurable time slot For sending or receiving sideline information, the P flexible symbols belong to the at least one flexible symbol; the transceiver unit 71 of the first terminal device sends the sideline information to the second terminal device on the P flexible symbols Information, the transceiver unit 81 of the second terminal device receives sideline information from the first terminal device on the P flexible symbols; or the transceiver unit 81 of the second terminal device receives the sideline information on the P flexible symbols The side-line information is sent to the first terminal device, and the transceiving unit 71 of the first terminal device receives the side-line information from the second terminal device on the P flexible symbols. Through the above method, the first terminal device sends third indication information to the second terminal device, and the third indication information is used to indicate that the P flexible symbols in the configurable time slot in the at least one configurable time slot are used for sideline information. The sending or receiving of the at least one configurable time slot indicates that part or all of the flexible symbols in the at least one configurable time slot are used to transmit sideline information, thereby further improving the flexibility of V2X communication.

As shown in FIG. 5, optionally, the first terminal device and the second terminal device may also transmit sideline information on flexible symbols of configurable time slots. Optionally, this side-line information may be side-line control information (Sidelink Control Information, SCI) or side-line transmission data or other information.

Optionally, the network device sends control information to the first terminal device, and the transceiver unit 71 of the first terminal device receives control information from the network device, and the control information is used to indicate At least one of the number of time slots, the number of uplink time slots in the configuration period, the number of configurable time slots in the configuration period, and the position information of uplink symbols in the configurable time slot; or the first terminal The determining unit 72 of the device autonomously determines the number of time slots in the configuration period, the number of uplink time slots in the configuration period, the number of configurable time slots in the configuration period, and the position information of uplink symbols in the configurable time slot. Optionally, the first terminal device may also determine all or part of the above-mentioned control information through high-level signaling or protocol predefined or other methods.

Among them, the number of time slots in the configuration period is not a fixed value. The number of time slots in a configuration period can be calculated from P and μ. The calculation formula is: NO.of slots=P*2 ^μ . Where P is the time in milliseconds. The NR standard restricts that P can only be a value in the set {0.5, 1, 2, 0.725, 1.25, 2.5, 5, 10}, indicating that P requires at least 3 bits. μ is a parameter specified by the protocol, and μ depends on the value of P. μ can be 0, 1, 2, 3, indicating that μ requires at least 2 bits. Therefore, a total of at least 5 bits are required to indicate the number of time slots in the period. The number of time slots calculated according to this rule can only have 10 cases, as shown in Table 1. For example, in the first row of Table 1, when P is 0.5, μ is 1, and when P is 1, μ is 0. The number of time slots calculated according to the formula is all 1. It can be seen that even if the values of P and μ are different, it is possible to get the same number of timeslots. If you only pay attention to the number of timeslots and do not pay attention to the specific values of P and μ, you can omit P and μ and only indicate when The number of gaps. In order to indicate the number of timeslots in a configuration period, 10 possible timeslots only need to pass a 4-bit table index. The actual number of timeslots can be obtained by looking up the table, and the number of timeslots can be calculated by indicating P and μ respectively. Compared with the method, 1 bit is saved. Table 1 shows one of the many possibilities for comparing the index with the number of time slots.

Table 1

Index	No.of slots=P*2 μ	P	μ
1	1	0.5/1	1/0
2	2	0.5/1/2	2/1/0
3	4	0.5/1/2	3/2/1
4	8	1/2	3/2
5	16	2	3
6	5	0.725/1.25/2.5/5	3/2/1/0
7	10	1.25/2.5/5/10	3/2/1/0
8	20	2.5/5/10	3/2/1
9	40	5/10	3/2
10	80	10	3

Wherein, the position information of the uplink symbols in the configurable time slot in the configuration period can be indicated by Table 2. When only concerned with the distribution of the uplink symbols in the configurable time slot but not other downlink symbols and flexible symbols, the The index table of the time slot format defined in 38.213 is summarized as Table 2; when only concerned with the uplink symbols and flexible symbol distribution in the configurable time slot but not other downlink symbols, the index table of the time slot format defined in 38.213 Summarized into Table 3, the number of indexes in Table 2 and Table 3 is less than 16, so it only needs 4 bits to indicate the position of the uplink symbol or the flexible symbol in the configurable time slot, which is compared with the index of the time slot format defined in 38.213 256 index situations indicated by 8 bits are needed in the table, saving 4 bits. Table 2 or Table 3 shows one of the many possibilities for comparing the position relationship between the index and the symbol.

Table 2

Index	Uplink symbol position
1	Null
2	All
3	The last 4 symbols
4	The last 5 symbols
5	The last 6 symbols
6	The last 7 symbols
7	The last 8 symbols
8	The last 9 symbols

9	The last 10 symbols
10	The last 11 symbols
11	The last 12 symbols
12	4-7 symbols and the last 4 symbols
13	3-7 symbols and the last 5 symbols

table 3

Optionally, the first indication information includes first side line control information and second side line control information, and the first side line control information is used to indicate the number of time slots in the configuration period and the configuration period At least one of the quantity information of at least one uplink time slot in the configuration period, and the second side row control information is used to indicate the quantity of at least one configurable time slot in the configuration period and the number of the at least one configurable time slot At least one of the position information of at least one uplink symbol in the configurable time slot.

In the case that the first side row control information is used to indicate the number of time slots in the configuration period and the number of at least one uplink time slot in the configuration period, it can be seen from Table 1 that it indicates the time slots in the configuration period The number requires 4 bits. In the time slot configuration of NR, uplink time slots must be configured continuously from the end of a configuration period. Therefore, only by indicating the number of uplink time slots, the specific location of the uplink time slots can be known. The number of uplink time slots <= 80, indicating that the number of uplink time slots requires up to 7 bits. Therefore, the first side row control information requires 4+7=11 bits in total. Optionally, the first side row control information may be used to indicate other information, and the required number of bits may not be equal to 11.

Compared with the first side row control information, the second side row control information is further used to indicate the number of at least one configurable time slot in the configuration period and the number of configurable time slots in the at least one configurable time slot. Location information of at least one uplink symbol. It can be seen from Table 2 that 4 bits are required to indicate the position information of at least one uplink symbol in the configurable time slot in the at least one configurable time slot. Similarly, in the time slot configuration of NR, the configurable time slot is also continuous Configured. If the last configurable time slot of a group of continuously configured configurable time slots is not the last time slot in the configuration period, the next time slot of the last configurable time slot must be an uplink time slot. Therefore, when the number of uplink time slots is known, only the number of configurable time slots needs to be indicated, that is, the position of the configurable time slots can be known. In the current standard version, the maximum number of time slots in a configuration period is 80, so 7 bits are enough to indicate the number of configurable time slots. Therefore, the total number of bits required for the second side row control information is 7+4=11 bits. Optionally, the second side line control information may be used to indicate other information, and the required number of bits may not be equal to 11.

Optionally, the first side row control information and the second side row control information occupy the same number of bits, which means that the first side row control information and the second side row control information are carried in two or more The physical side channel transmission provides the possibility to increase the diversity of the way the indication information is sent on the physical side channel.

The indications of the first side row control information and the second side row control information are combined with the table indexes of Table 1 and Table 2, respectively, so the number of bits required to indicate the same amount of information is saved compared with the traditional indication method. , Which effectively improves the decoding performance. At the same time, the first side row control information and the second side row control information have the same number of bits, and they can be carried on different physical broadcast channels for transmission.

Both the first side line control information and the second side line control information can be sent in a PSBCH (Side Link Physical Broadcast Channel), which requires a total of 22 bits and takes up relatively large resources. Optionally, the first side line control information and the second side line control information may be carried on other control channels or other channels for transmission.

Optionally, considering that multiple S-SSBs (Side Link Synchronization Signal Blocks) are sent within a certain period of time, it can be considered that the contents of the PSBCH carried by different S-SSBs are different, and the two-level indication information is put into Among the PSBCHs sent at different times, the size of the PSBCH in the S-SSB can be reduced and the decoding accuracy can be improved.

Specifically, two PSBCH payload formats can be defined:

The first PSBCH: Contains the first side line control information.

Second PSBCH: Contains second side line control information.

As shown in Figure 6, it can be specified that the first PSBCH is sent in the S-SSB with an odd time index, and the second PSBCH is sent in the S-SSB with an even time index. The transceiver unit 81 of the second terminal device decodes two S-SSBs. After the PSBCH load in the SSB, complete TDD uplink and downlink configuration information can be obtained. Through the above method, the first indication information can be carried in one physical side-line broadcast channel for transmission, or it can be carried in two or more physical side-line broadcast channels and sent in one physical side-line control channel. The solution is relatively simple and has low complexity; the first side row control information and the second side row control information are carried in two physical side row broadcast channels and sent separately, which can further reduce the configuration information in the physical side row control channel The number of bits can improve decoding performance and communication reliability.

Through the embodiments of the present application, the time delay of V2X communication can be reduced, and the reliability of information transmission can be improved.

It should be understood that the communication device 90 shown in FIG. 9 may be a chip or a circuit. For example, a chip or circuit can be installed in a terminal device. The aforementioned communication interface 92 may also be a transceiver. The transceiver includes a receiver and a transmitter. Further, the communication device 90 may also include a bus system.

Among them, the processor 93, the memory 91, the receiver and the transmitter are connected by a bus system, and the processor 93 is used to execute the instructions stored in the memory 91 to control the receiver to receive signals and control the transmitter to send signals to complete the communication of this application. The steps of the network device in the method. Among them, the receiver and the transmitter may be the same or different physical entities. When they are the same physical entity, they can be collectively referred to as transceivers. The memory 91 may be integrated in the processor 93, or may be provided separately from the processor 93.

As an implementation manner, the functions of the receiver and transmitter may be implemented by a transceiver circuit or a dedicated transceiver chip. The processor 93 may be implemented by a dedicated processing chip, a processing circuit, a processor, or a general-purpose chip.

FIG. 10 is a schematic block diagram of a communication device 100 according to an embodiment of the present application. It should be understood that the communication device 100 can execute each step executed by the network device in the foregoing method, and in order to avoid repetition, it will not be described in detail here. The communication device 100 includes:

The memory 101 is used to store programs;

The communication interface 102 is used to communicate with other devices;

The processor 103 is configured to execute a program in the memory 101. When the program is executed, the processor 103 is configured to send the control information to a terminal device in a PDCCH or other channel through the communication interface 102 for Indicate the number of time slots in the configuration period, the number of uplink time slots in the configuration period, the number of configurable time slots in the configuration period, and the position information of the uplink symbols in the configurable time slot At least one of them.

It should be understood that the communication device 100 shown in FIG. 10 may be a chip or a circuit. For example, it can be installed in a chip or circuit in a network device. The aforementioned communication interface 102 may also be a transceiver. The transceiver includes a receiver and a transmitter. Further, the communication device 101 may also include a bus system.

Among them, the processor 103, the memory 101, the receiver and the transmitter are connected by a bus system, and the processor 103 is used to execute the instructions stored in the memory 101 to control the receiver to receive signals and to control the transmitter to send signals to complete the communication of this application. The steps of the network device in the method. Among them, the receiver and the transmitter may be the same or different physical entities. When they are the same physical entity, they can be collectively referred to as transceivers. The memory 101 may be integrated in the processor 103, or may be provided separately from the processor 103.

As an implementation manner, the functions of the receiver and transmitter may be implemented by a transceiver circuit or a dedicated transceiver chip. The processor 103 may be implemented by a dedicated processing chip, a processing circuit, a processor, or a general-purpose chip.

In the several embodiments provided in this application, it should be understood that the disclosed system, device, and method may be implemented in other ways. For example, the device embodiments described above are merely illustrative, for example, the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or It can be integrated into another system, or some features can be ignored or not implemented. In addition, the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.

In addition, the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit. The above-mentioned integrated unit can be implemented in the form of hardware or software functional unit.

If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium. Based on this understanding, the technical solution of the present application essentially or the part that contributes to the existing technology or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium , Including several instructions to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application. The aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disks or optical disks and other media that can store program codes. .

Claims (30)

1. A method for sending indication information, characterized in that it comprises:

   The first terminal device sends first indication information to the second terminal device, where the first indication information is used to indicate the number of time slots in the configuration period, the number of at least one uplink time slot in the configuration period, and the configuration period The number of at least one configurable time slot in the at least one configurable time slot and the position information of at least one uplink symbol in the configurable time slot in the at least one configurable time slot;

   Sending, by the first terminal device, side-line information to the second terminal device on at least one uplink symbol in the at least one uplink time slot and/or a configurable time slot in the at least one configurable time slot, or

   The first terminal device receives sideline information from the second terminal device on at least one uplink symbol in the at least one uplink time slot and/or the configurable time slot in the at least one configurable time slot .
2. The method according to claim 1, wherein the method further comprises:

   The first terminal device sends second indication information to the second terminal device, where the second indication information is used to indicate the M uplink time slots in the at least one uplink time slot and/or the at least one available Configure N uplink symbols in at least one uplink symbol in a configurable time slot in a configurable time slot, where M and N are integers greater than or equal to 1;

   The first terminal device sending sideline information to the second terminal device on at least one uplink symbol in the at least one uplink time slot and/or the configurable time slot in the at least one configurable time slot includes :

   The first terminal device sends sideline information to the second terminal device on the M uplink time slots and/or the N uplink symbols; or

   The first terminal device receives sideline information from the second terminal device on at least one uplink symbol in the at least one uplink time slot and/or the configurable time slot in the at least one configurable time slot include:

   The first terminal device receives sideline information from the second terminal device on the M uplink time slots and/or the N uplink symbols.
3. The method according to claim 2, wherein the configurable time slot in the at least one configurable time slot contains at least one flexible symbol, and the method further comprises:

   The first terminal device sends third indication information to the second terminal device, where the third indication information is used to indicate that the P flexible symbols in the configurable time slot in the at least one configurable time slot are used for For sending or receiving sideline information, the P flexible symbols belong to the at least one flexible symbol, and the P is an integer greater than or equal to 1;

   The first terminal device sends sideline information to the second terminal device on the P flexible symbols, or

   The first terminal device receives sideline information from the second terminal device on the P flexible symbols.
4. The method according to claim 1, wherein the method further comprises:

   The first terminal device receives control information from the network device, where the control information is used to indicate the number of time slots in the configuration period, the number of uplink time slots in the configuration period, and the available time in the configuration period. The number of configured time slots and the position information of the uplink symbols in the configurable time slot; or

   The first terminal device autonomously determines the number of time slots in the configuration period, the number of uplink time slots in the configuration period, the number of configurable time slots in the configuration period, and the number of time slots in the configurable time slot. The position information of the uplink symbol.
5. The method according to any one of claims 1 to 4, wherein the first indication information includes first side line control information and second side line control information, and the first side line control information is used to indicate The number of time slots in the configuration period and the number of at least one uplink time slot in the configuration period, and the second side row control information is used to indicate the number and number of at least one configurable time slot in the configuration period Location information of at least one uplink symbol in the configurable time slot in the at least one configurable time slot;

   The sending, by the first terminal device, the first indication information to the second terminal device includes:

   Sending, by the first terminal device, first side line control information to the second terminal device;

   The first terminal device sends second side line control information to the second terminal device.
6. The method according to claim 5, characterized in that:

   The number of bits required to transmit the first side line control information is the same as the number of bits required to transmit the second side line control information.
7. The method according to any one of claims 5-6, characterized in that:

   The first indication information is carried in a physical side broadcast channel PSBCH and sent; or

   The first side line control information is carried on a first physical side line broadcast channel and sent, and the second side line control information is carried on a second physical side line broadcast channel and sent.
8. A method for receiving indication information, characterized in that it comprises:

   The second terminal device receives the first indication information from the first terminal device, where the first indication information is used to indicate the number of time slots in the configuration period, the number of at least one uplink time slot in the configuration period, and The number of at least one configurable time slot in the configuration period and the position information of at least one uplink symbol in the configurable time slot in the at least one configurable time slot;

   According to the first indication information, the second terminal device receives from the first uplink symbol on at least one uplink symbol in the configurable time slot of the at least one uplink time slot and/or the at least one configurable time slot. Side information of a terminal device, or

   According to the first indication information, the second terminal device sends the signal to the first uplink symbol on the at least one uplink symbol in the configurable time slot of the at least one uplink time slot and/or the at least one configurable time slot. The terminal device sends sideline information.
9. The method according to claim 8, wherein the method further comprises:

   The second terminal device receives second indication information from the first terminal device, where the second indication information is used to indicate the M uplink time slots in the at least one uplink time slot and/or the at least one uplink time slot N uplink symbols in at least one uplink symbol in the configurable time slot in the configurable time slot, where M and N are integers greater than or equal to 1;

   According to the second indication information, the second terminal device sends the signal to the first uplink symbol on the at least one uplink symbol in the configurable time slot of the at least one uplink time slot and/or the at least one configurable time slot. The side information sent by the terminal device includes:

   The second terminal device sends side-line information to the first terminal device on the M uplink time slots and/or the N uplink symbols according to the second indication information; or

   The second terminal device receives from the first terminal on at least one uplink symbol in the configurable time slot in the at least one uplink time slot and/or the at least one configurable time slot according to the second indication information The sideline information of the device includes:

   The second terminal device receives the side line information from the first terminal device on the M uplink time slots and/or the N uplink symbols according to the second indication information.
10. The method according to claim 9, wherein the configurable time slot in the at least one configurable time slot contains at least one flexible symbol, and the method further comprises:

    The second terminal device receives third indication information from the first terminal device, where the third indication information is used to indicate the use of P flexible symbols in a configurable time slot in the at least one configurable time slot. For sending or receiving sideline information, the P flexible symbols belong to the at least one flexible symbol, and the P is an integer greater than or equal to 1;

    The second terminal device receives sideline information from the first terminal device on the P flexible symbols, or

    The second terminal device sends sideline information to the first terminal device on the P flexible symbols.
11. The method according to any one of claims 8-10, wherein the first indication information comprises first side line control information and second side line control information, and the first side line control information is used to indicate The number of time slots in the configuration period and the number of at least one uplink time slot in the configuration period, and the second side row control information is used to indicate the number and number of at least one configurable time slot in the configuration period Location information of at least one uplink symbol in the configurable time slot in the at least one configurable time slot;

    The receiving, by the second terminal device, the first indication information from the first terminal device includes:

    The second terminal device receives the first side line control information from the first terminal device;

    The second terminal device receives second side control information from the first terminal device.
12. The method according to claim 11, wherein:

    The number of bits required for transmitting the first side line control information is the same as the number of bits required for transmitting the second side line control information.
13. The method according to any one of claims 11-12, characterized in that:

    The first indication information carried in a physical side broadcast channel PSBCH is received; or

    The first side line control information is carried on a first physical side line broadcast channel and received, and the second side line control information is carried on a second physical side line broadcast channel to be received.
14. A first terminal device, characterized by comprising:

    The transceiver unit is configured to send first indication information to the second terminal device, where the first indication information is used to indicate the number of time slots in the configuration period, the number of at least one uplink time slot in the configuration period, and the configuration The number of at least one configurable time slot in the period and the position information of at least one uplink symbol in the configurable time slot in the at least one configurable time slot;

    The transceiver unit is further configured to send a side line to the second terminal device on at least one uplink symbol in the at least one uplink time slot and/or the configurable time slot in the at least one configurable time slot. Information, or

    The transceiving unit is further configured to receive the side signal from the second terminal device on the at least one uplink symbol in the at least one uplink time slot and/or the configurable time slot in the at least one configurable time slot. Line information.
15. The device according to claim 14, wherein the transceiving unit is further configured to send second indication information to the second terminal device, and the second indication information is used to indicate the at least one uplink time slot M uplink time slots and/or N uplink symbols in at least one uplink symbol in the configurable time slot in the at least one configurable time slot, where M and N are integers greater than or equal to 1;

    The sending, by the transceiving unit, the at least one uplink symbol in the at least one uplink time slot and/or the at least one configurable time slot in the at least one configurable time slot to the second terminal device includes:

    The transceiving unit sends sideline information to the second terminal device on the M uplink time slots and/or the N uplink symbols; or

    The receiving, by the transceiver unit, the side line information from the second terminal device on the at least one uplink symbol in the at least one uplink time slot and/or the configurable time slot in the at least one configurable time slot includes:

    The transceiving unit receives sideline information from the second terminal device on the M uplink time slots and/or the N uplink symbols.
16. The apparatus according to claim 14, wherein the configurable time slot in the at least one configurable time slot contains at least one flexible symbol, and the transceiver unit is further configured to send third indication information, and the third The indication information is used to indicate that the P flexible symbols in the configurable time slot in the at least one configurable time slot are used for sending or receiving sideline information, and the P flexible symbols belong to the at least one flexible symbol, so Said P is an integer greater than or equal to 1;

    The transceiving unit sends sideline information to the second terminal device on the P flexible symbols, or

    The transceiving unit receives sideline information from the second terminal device on the P flexible symbols.
17. The device of claim 14, wherein:

    The transceiver unit receives control information from a network device, the control information is used to indicate the number of time slots in the configuration period, the number of uplink time slots in the configuration period, and the configurable time in the configuration period. The number of slots and the position information of the uplink symbols in the configurable time slot; or

    The determining unit is configured to determine the number of time slots in the configuration period, the number of uplink time slots in the configuration period, the number of configurable time slots in the configuration period, and the uplink time slots in the configurable time slot. The position information of the symbol.
18. The device according to any one of claims 14-17, wherein the first indication information comprises first side line control information and second side line control information, and the first side line control information is used to indicate The number of time slots in the configuration period and the number of at least one uplink time slot in the configuration period, and the second side row control information is used to indicate the number and number of at least one configurable time slot in the configuration period Location information of at least one uplink symbol in the configurable time slot in the at least one configurable time slot;

    The sending, by the transceiving unit, the first indication information to the second terminal device includes:

    Sending, by the transceiver unit, first side line control information to the second terminal device;

    The transceiving unit sends second side line control information to the second terminal device.
19. The device of claim 18, wherein:

    The number of bits required for transmitting the first side line control information is the same as the number of bits required for transmitting the second side line control information.
20. The device according to any one of claims 18-19, characterized in that:

    The first indication information is carried in a physical side broadcast channel PSBCH and sent; or

    The first side line control information is carried on a first physical side line broadcast channel and sent, and the second side line control information is carried on a second physical side line broadcast channel and sent.
21. A second terminal device, characterized by comprising:

    The transceiver unit is configured to receive first indication information from the first terminal device, where the first indication information is used to indicate the number of time slots in the configuration period, the number of at least one uplink time slot in the configuration period, and the The number of at least one configurable time slot in the configuration period and the position information of at least one uplink symbol in the configurable time slot in the at least one configurable time slot;

    The transceiving unit is further configured to receive data from all uplink symbols on at least one uplink symbol in a configurable time slot in the at least one uplink time slot and/or the at least one configurable time slot according to the first indication information. The side information of the first terminal device, or

    The transceiving unit is further configured to transmit to the at least one uplink symbol in the configurable time slot of the at least one uplink time slot and/or the at least one configurable time slot according to the first indication information. The first terminal device sends sideline information.
22. The device according to claim 21, wherein the transceiving unit is further configured to receive second indication information from the first terminal device, and the second indication information is used to indicate the at least one uplink time slot M uplink time slots in and/or N uplink symbols in at least one uplink symbol in a configurable time slot in the at least one configurable time slot, where M and N are integers greater than or equal to 1;

    According to the second indication information, the transceiver unit transmits to the first terminal device on the at least one uplink symbol in the configurable time slot of the at least one uplink time slot and/or the at least one configurable time slot. The sending side line information includes:

    The transceiving unit sends side-line information to the first terminal device on the M uplink time slots and/or the N uplink symbols according to the second indication information; or

    The transceiving unit receives the data from the first terminal device on the at least one uplink symbol in the at least one uplink time slot and/or the configurable time slot in the at least one configurable time slot according to the second indication information. Sideline information includes:

    The transceiver unit receives the side line information from the first terminal device on the M uplink time slots and/or the N uplink symbols according to the second indication information.
23. The device according to claim 21, wherein the configurable time slot in the at least one configurable time slot contains at least one flexible symbol, and the transceiver unit is further configured to receive third indication information, and the third The indication information is used to indicate that the P flexible symbols in the configurable time slot in the at least one configurable time slot are used for sending or receiving sideline information, and the P flexible symbols belong to the at least one flexible symbol, so Said P is an integer greater than or equal to 1;

    The transceiving unit receives sideline information from the first terminal device on the P flexible symbols, or

    The transceiving unit sends sideline information to the first terminal device on the P flexible symbols.
24. The device according to any one of claims 21-23, wherein the first indication information comprises first side line control information and second side line control information, and the first side line control information is used to indicate The number of time slots in the configuration period and the number of at least one uplink time slot in the configuration period, and the second side row control information is used to indicate the number and number of at least one configurable time slot in the configuration period Location information of at least one uplink symbol in the configurable time slot in the at least one configurable time slot;

    The receiving, by the transceiver unit, the first indication information from the first terminal device includes:

    The transceiving unit receives the first side line control information from the first terminal device;

    The transceiving unit receives second side line control information from the first terminal device.
25. The device of claim 24, wherein:

    The number of bits required for transmitting the first side line control information is the same as the number of bits required for the second side line control information.
26. The device according to any one of claims 24-25, characterized in that:

    The first indication information carried in a physical side broadcast channel PSBCH is received; or

    The first side line control information is carried on a first physical side line broadcast channel and received, and the second side line control information is carried on a second physical side line broadcast channel to be received.
27. A communication device includes at least one processor, the at least one processor is coupled with a memory, the memory is used to store a computer program, and the processor is used to execute the computer program stored in the memory to enable the communication The device executes the method according to any one of claims 1 to 7.
28. A communication device includes at least one processor, the at least one processor is coupled with a memory, the memory is used to store a computer program, and the processor is used to execute the computer program stored in the memory to enable the communication The device executes the method according to any one of claims 8 to 13.
29. A computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and when the computer program is executed, the method according to any one of claims 1 to 7 is realized.
30. A computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and when the computer program is executed, the method according to any one of claims 8 to 13 is implemented.

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