阅读说明：本技术 时间同步方法及相关设备 (Time synchronization method and related equipment ) 是由 付喆 于 2019-09-25 设计创作，主要内容包括：本申请实施例公开了一种时间同步方法及相关设备,包括：终端接收来自网络设备的专用消息,所述专用消息包括第一时间同步信息,所述第一时间同步信息用于指示传播时延的补偿情况；所述终端根据所述第一时间同步信息,进行与所述网络设备之间的时间同步。采用本申请实施例,能够基于传播时延补偿实现时间同步,有助于提升时间同步精度,进而提升了数据传输的可靠性。(The embodiment of the application discloses a time synchronization method and related equipment, which comprise the following steps: a terminal receives a special message from network equipment, wherein the special message comprises first time synchronization information, and the first time synchronization information is used for indicating the compensation condition of propagation delay; and the terminal carries out time synchronization with the network equipment according to the first time synchronization information. By adopting the embodiment of the application, the time synchronization can be realized based on the propagation delay compensation, the time synchronization precision is favorably improved, and the reliability of data transmission is further improved.)

A method of time synchronization, comprising:

a terminal receives a special message from network equipment, wherein the special message comprises first time synchronization information, and the first time synchronization information is used for indicating the compensation condition of propagation delay;

and the terminal carries out time synchronization with the network equipment according to the first time synchronization information.

The method of claim 1, wherein if the compensation condition is that the propagation delay is not compensated and the terminal has the capability of propagation delay compensation; the method further comprises the following steps:

the terminal performs propagation delay compensation on the first time synchronization information;

the terminal performs time synchronization with the network device according to the first time synchronization information, including:

and the terminal carries out time synchronization with the network equipment according to the compensated first time synchronization information.

The method of claim 2, wherein the terminal performs propagation delay compensation on the first time synchronization information, and the method comprises:

the terminal determines a target propagation delay compensation value from a plurality of propagation delay compensation values according to the parameter value;

the terminal carries out propagation delay compensation on the first time synchronization information according to the target propagation delay compensation;

wherein the parameter values include any one or more of:

the distance between the terminal and the network equipment, the reference signal receiving power between the terminal and the network equipment, the path loss value between the terminal and the network equipment, and the cell coverage parameter corresponding to the network equipment.

The method according to any one of claims 1-3, further comprising:

the terminal receives a broadcast message from the network equipment, wherein the broadcast message comprises second time synchronization information;

the terminal performs time synchronization with the network device according to the first time synchronization information, including:

the terminal determines target time synchronization information for performing time synchronization with the network equipment according to the first time synchronization information and the second time synchronization information;

and the terminal carries out time synchronization with the network equipment according to the target time synchronization information.

The method of claim 4, wherein the time synchronization between the terminal and the network device according to the target time synchronization information comprises:

the terminal determines that the target time synchronization information comprises the first time synchronization information and the second time synchronization information;

and the terminal carries out time synchronization with the network equipment according to the first time synchronization information and the second time synchronization information.

The method according to claim 5, wherein in a case that the compensation condition is that the propagation delay has been compensated, and the first time synchronization information includes a time offset value from a time indicated by the second time synchronization information, the time synchronization between the terminal and the network device according to the first time synchronization information and the second time synchronization information includes:

and the terminal carries out time synchronization with the network equipment according to the time indicated by the second time synchronization information and the time deviation value.

The method of claim 4, wherein the time synchronization between the terminal and the network device according to the target time synchronization information comprises:

the terminal determines that the target time synchronization information includes the first time synchronization information, in a case where the first time synchronization information is different from the second time synchronization information;

and the terminal carries out time synchronization with the network equipment according to the first time synchronization information.

The method of claim 1, wherein the dedicated message is a dedicated Radio Resource Control (RRC) message or a dedicated Medium Access Control (MAC) message or a dedicated Downlink Control Information (DCI).

A method of time synchronization, comprising:

the network equipment determines to perform propagation delay compensation;

the network equipment sends a special message to a terminal, wherein the special message comprises first time synchronization information, and the first time synchronization information is used for indicating the compensation condition of propagation delay.

The method according to claim 9, wherein the terminal is a terminal whose parameter value satisfies a corresponding condition, and/or the terminal is a terminal without propagation delay compensation capability, and/or the terminal is a terminal located in a cell corresponding to the network device;

wherein the parameter values include any one or more of:

the distance between the terminal and the network equipment, the reference signal receiving power between the terminal and the network equipment, the path loss value between the terminal and the network equipment, and the cell coverage parameter corresponding to the network equipment.

The method of claim 9, wherein the cell coverage parameter corresponding to the network device is greater than or equal to a coverage threshold, and/or wherein the network device has a propagation delay compensation capability.

The method according to any of claims 9-11, wherein the compensation condition is that the propagation delay has been compensated, and before the network device sends a dedicated message to a terminal, the method further comprises:

the network equipment determines a propagation delay compensation value according to the parameter value;

the network equipment determines the first time synchronization information according to the propagation delay compensation value;

wherein the parameter values include any one or more of:

the distance between the terminal and the network equipment, the reference signal receiving power between the terminal and the network equipment, the path loss value between the terminal and the network equipment, and the cell coverage parameter corresponding to the network equipment.

The method according to any of claims 9-11, wherein the compensation case is that the propagation delay is not compensated, and the terminal is a terminal with propagation delay compensation capability.

The method of claim 9, further comprising:

and the network equipment sends a broadcast message to the terminal, wherein the broadcast message comprises second time synchronization information.

The method of claim 14, wherein the compensation condition is that the propagation delay has been compensated, and wherein the first time synchronization information comprises a time offset value from a time indicated by the second time synchronization information.

The method of claim 9, wherein the dedicated message is a dedicated Radio Resource Control (RRC) message or a dedicated Medium Access Control (MAC) message or a dedicated Downlink Control Information (DCI).

A terminal, comprising a communication unit and a processing unit;

the communication unit is configured to receive a dedicated message from a network device, where the dedicated message includes first time synchronization information, and the first time synchronization information is used to indicate a compensation condition of propagation delay;

and the processing unit is used for carrying out time synchronization with the network equipment according to the first time synchronization information.

A network device comprising a processing unit and a communication unit;

the communication unit is used for determining propagation delay compensation;

the communication unit is configured to send a dedicated message to a terminal, where the dedicated message includes first time synchronization information, and the first time synchronization information is used to indicate a compensation condition of propagation delay.

A terminal comprising a processor, memory, a communication interface, and one or more programs stored in the memory and configured to be executed by the processor, the programs comprising instructions for performing the steps in the method of any of claims 1-8.

A network device comprising a processor, a memory, a communication interface, and one or more programs stored in the memory and configured to be executed by the processor, the programs including instructions for performing the steps in the method of any of claims 9-16.

A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program, the computer program causing a computer to execute the method according to any one of claims 1-8.

A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program, the computer program causing a computer to perform the method according to any one of claims 9-16.