Timing management method, device and system

Abstract

Embodiments of the present application provide a timing management method, device, and system. The system includes a control node, an intermediate node, and at least one terminal communicating with the intermediate node. The control node and the intermediate node are located in a first clock synchronization area. The intermediate node and the at least one terminal are located in a second clock synchronization area, the method includes: the intermediate node receives task information from the control node, and the task information includes at least one of start information and end information of at least one task One: the intermediate node determines the operation information of the terminal according to the task information and the local clock information, the operation information includes the time when the terminal performs at least one operation, and the local clock information includes the information about the maintained clock; and the intermediate node sends the operation information to the terminal. The embodiments of the present application can improve the clock synchronization accuracy between terminals.

Description

technical field [0001] The embodiments of the present application relate to the technical field of mobile communications, and in particular to a sequence management method, device and system. Background technique [0002] The Internet of Things is to continuously integrate various acquisition and control sensors or controllers with perception and monitoring capabilities, as well as mobile communication, intelligent analysis and other technologies into all aspects of the industrial production process, thereby greatly improving manufacturing efficiency, improving product quality, and reducing product costs. And resource consumption, and finally realize the upgrading of traditional industries to a new stage of intelligence. [0003] In the Internet of Things, mobile communication is usually adopted to transmit the data required for industrial control. In the specific implementation process, because the operation sequence between each operating device usually needs to follow a ...

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Problems solved by technology

[0004] However, because the time delay of the wireless communication network transmitting the clock information is far greater than the accuracy of the "clock information", and the accuracy of the measured transmission time delay is not enough, therefore, the clock synchronization between the manipulator arm and the manipulator arm cannot achieve work need

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