摘要
针对路由选择模式是影响无线传感器网络寿命的关键因素之一,提出了一种新的WSN路由算法IG-PSR-2。首先将前向区域划分为面积相等的四个子区域,然后选择节点能量方差最小的子区域作为路由选择区域,最后用概率机制在路由选择区域中选择下一跳节点。仿真实验表明,IGPSR-2能有效均衡网络节点能量消耗,从而延长网络生命周期。
The routing schema is one of the key factors that influences the lifetime of wireless sensor networks(WSNs).This paper proposed a new routing algorithm IGPSR-2 for WSNs.Firstly,it divided forward direction region evenly into four parts according to area.Secondly,it chose the region with minimal energy variance as the routing select region.Finally,it selected the next hop node by probability schema from routing select region.The simulation results show that IGPSR-2 is able to not only effectively balance the energy consume,but also prolong the lifetime of WSNs.
出处
《计算机应用研究》
CSCD
北大核心
2012年第4期1465-1469,1482,共6页
Application Research of Computers
基金
国家自然科学基金资助项目(60773224
60970054)
国家教育部科学技术研究重点项目(107106)
国家教育部留学回国人员科研基金项目
关键词
无线传感器网络
能量均衡
前向区域
环形区域
wireless sensor networks(WSNs)
energy balancement
forward region
annular region