无线传感器网络节能路由研究

Research on Energy-efficient Routing Protocols for Wireless Densor Networks

分簇结构作为一种提高能源利用率、减少网络能耗的有效途径,成为当前无线传感器网络节能路由协议的研究热点。介绍和分析了LEACH、PEGASIS和HEED三种典型节能分簇路由协议,通过对三者的综合比较总结出现有分簇路由协议存在的问题,并提出相应的解决思路。解释了要想将WiFi应用于无线传感器网络面临的困难。最后,展望了无线传感器网络路由协议未来的研究工作。

As an effective approach to enhancing energy efficiency and decreasing energy consumption,clustering structure has become the hotspot in the researches of energy efficient routing protocols for wireless sensor networks currently.LEACH,PEGASIS and HEED these three representative energy efficient cluster-based routing protocols are presented and analyzed first in this paper.Then through comprehensive comparisons of them,the problems exist in present cluster-based routing protocols were summarized,and corresponding solutions are proposed as well.Also difficulties confronted in the application of WiFi to wireless sensor networks are explained.Finally,future work in routing protocols for wireless sensor networks is prospected.