基于加权路由思想的无线自组织网络生存时间优化算法研究

摘要

Saving energy has been a hot issue in the field of wireless ad hoc networks.After analyzing the characteristics of network lifetime,this paper proposed a weighted-routing algorithm optimizing lifetime of wireless ad hoc networks.In the process of information transmission,the load of each link was considered to build the optimal model.This algorithm would reduce the transmission probability of the busy link,so as to achieve the balance node energy consumption,prolong the lifetime of the network.%在无线自组织网络中,网络生存时间是衡量网络性能的重要指标之一.分析影响网络生存时间的众多因素后,提出了一种工作量加权路由模型以提高无线自组织网络的生存时间.在网络信息传输的过程中,综合每条链路的业务工作量对网络链路进行加权,建立距离加权传输数学模型.该模型通过降低工作较为繁忙节点的信息转发概率,从而到达均衡节点能耗的目的.最后,采用MATLAB进行数值仿真,结果显示本文提出的路由算法可以有效延迟网络生存时间,均衡网络节点的能耗.