Message time sequence timing method based on low-power-consumption Internet of Things wireless sensor network

Abstract

The invention provides a message time sequence timing method based on a low-power-consumption internet-of-things wireless sensor network, which mainly aims at the low-power-consumption and high-real-time data acquisition requirements of wireless sensors matched with a power system transformer substation, a power transmission line and a power distribution station house, and adopts a mode of synchronously hiding time synchronization to a lower-layer protocol stack. According to the method, the mode that the hardware pin interruption of the wireless radio frequency chip is matched with the protocol stack is utilized, the message time sequence timing method is invented, the method has the advantages of being low in power consumption, high in timing accuracy and transparent in service, and the service application layer data logic is not affected. The method is suitable for an Internet of Things sensor network with high requirements on power consumption and real-time performance.

Description

technical field [0001] The invention belongs to the field of wireless sensors of the Internet of Things in electric power systems, in particular to a method for correcting message timing based on a wireless sensor network of the Internet of Things with low power consumption. Background technique [0002] The accelerated advancement of the Internet of Things in recent years has put forward higher standards for the technical parameters of Internet of Things devices, and wireless passive sensors have been widely deployed in substations, transmission lines, and distribution substations. For the field of power monitoring, because it is necessary to ensure the real-time performance of collected data, the clock accuracy of the sensor itself is a key technical indicator. Time calibration is to synchronize the clock information to the sensor side through regular communication by equipment with a standard clock source. IoT wireless sensors use radio frequency to communicate, and most...

AI Technical Summary

Problems solved by technology

Among them, the timing protocol stack design for IoT wireless sensors is one of the key technical points. Low timing accuracy will increase the frequency of timing and affect power consumption.

At the same time, there are relatively many types of sensors, and the complex timing process will make it difficult to design the business logic of the sensor itself

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