Data transmission method based on micro-power wireless interconnecting and interworking technology

Abstract

The invention discloses a data transmission method based on a micro-power wireless interconnecting and interworking technology, and relates to a wireless communication network technology. By dynamically adjusting the weights of different paths of child nodes and a center node, an optimal path can be chosen for communication within shortest time. Compared with the prior art, the weights of all data forwarding paths are calculated, and path efficiency statistical analysis and path efficiency weight updating are carried out in each data transmission process. By adopting the data transmission method, the data transmission path for each meter reading achieves the highest success rate and the shortest time, and the overall success rate of meter reading is improved significantly.

Description

technical field [0001] The invention relates to wireless communication network technology, in particular to a data transmission method based on micro-power wireless interconnection and intercommunication technology in a low-voltage meter reading system. Background technique [0002] With the increasing shortage of energy and the rapid growth of electricity demand, many countries are actively developing smart electricity technology. As far as the current situation in our country is concerned, the establishment of a safe and reliable electricity information collection system is indispensable for the establishment of a smart grid. part. [0003] In the current electricity consumption information collection system, most of the local communication methods adopt RS485 bus and power line carrier, but these two communication methods have many shortcomings and deficiencies. There are problems such as large signal attenuation, many noise sources and strong interference, and great inf...

AI Technical Summary

Problems solved by technology

However, in micro-power wireless communication, because the wireless signal is easily affected by the environment, if the sending end and the receiving end perform data transmission directly, data transmission errors are prone to occur, which seriously affects the success rate of meter reading; in the meter reading system, often a master The node is connected to hundreds of child nodes, so the frequency of meter reading is very low for a single meter. Under such a low frequency of meter reading, if a single meter reading fails due to environmental influences, the overall success rate of meter reading will be low.

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