Research on Routing Algorithm in Intelligent Meter Reading

Abstract

The introduction to broadband micro-power wireless technology in the national network intelligent meter reading system can increase the bandwidth, improve the meter reading performance, and make up for the narrow bandwidth and low speed in narrow-band micro-power wireless and PLC technology. In the smart meter reading network, the generation and maintenance of routes are the key. This paper improves the AODVjr algorithm and improves it from full-network broadcasting to semi-directional directed broadcasting, calculating channel quality based on weight, making it suitable for real-time routing repair in broadband micro-power wireless intelligent meter reading. The improved algorithm minimizes route repair time and routing overhead while ensuring communication success rate. The simulation results show that with the increase of the number of nodes, the semi-directional broadcast has much better performance in routing request packet transmission success rate, average hop count, communication success rate, and route repair delay than the whole network broadcast.