层次式无线传感器网络中的协商机制研究

Study on Negotiation Mechanism in Hierarchy Wireless Sensor Networks

无线传感器网络由具有计算、通信和感知能力的小型自治实体组成,层次式体系结构作为一种有效的组织方式能够降低网络能量消耗,延长网络的生存周期。从多Agent系统的角度研究构成这种层次式无线传感器网络的相关协议和算法的意图协商过程,建立其协商模型,为层次式无线传感器网络路由协议或分簇算法提供一种评价和分析方法。基于该模型的实际网络协议分析表明,具有相同协商机制而意图信息量不同的层次式无线传感器网络在性能方面存在一定的差异,良好的意图和基于良好意图的完善协商机制可以有效提高网络的性能。

Wireless sensor networks are composed of many small autonomous entities that have the capacity of computing, communicating and sensing. The hierarchy architecture can reduce energy consumption and prolong the survival life of the networks. Studies intentional negotiation process of related protocols and algorithms in hierarchy wireless serksor networks by means of the multi - agent method and proposes a negotiation model, and gives a method of evaluating and analyzing protocols and algorithms of hierarchy wireless sensor networks. The analysis of real network protocols based on this model shows that there are certain differences in performance arnong hierarchy wireleas sensor networks which use the .same negotiation mechanism but the different information, and the good intention and the negotiation mechanism based on it can effectively improve performance of hierarchy wireless schsor networks.