Abstract：In order to solve the issue that congestion often occurs in the process of data transmission, a Multi-path Optimizing routing protocol based on Predicting Congestion is proposed for wireless sensor network (which is named as MOPC protocol). This protocol is designed in the thinking of avoiding congestion initiatively. According with congestion predict degree, remaining energy and minimum hop count, path satisfaction degree model is build, which is used to realize the optimal path selection. It achieved local routing maintenance dynamically by setting change rate threshold of node’s forwarding satisfaction degree on the optimal path. Simulation results show that, MOPC routing protocol has good real-time performance and reliability, it could improve energy efficiency and extend network lifetime significantly.
2011, Vol. 33 
