无线传感器网络中基于分簇转发的移动sink定位算法

Based on Cluster Forwarding Mobile Sink Localization Algorithm in Wireless Sensor Network

无线传感器网络中,能量漏洞问题引起了很高关注.位于sink节点附近的网络节点因需要转发大量的数据包而过早地耗尽能量,导致网络生命过早的结束.提出一种新的分簇转发网络模型,基于该模型,提出相应的移动sink定位算法(CFSLA),算法根据各簇节点能量的分布情况,不断改变sink位置,有效地避免节点耗能不均,解决了能量漏洞问题.从实验和理论上,验证了该方法的有效性和可行性,比已有的算法有更好的效果.

Energy holes near the sinks becomes a critical issue in wireless sensor networks. The nodes near the sink have to relay a mount of data from the other nodes and will deplete their energy very quickly resulting in limitation of the network lifetime. This paper proposes a mobile sink localization algorithm based on cluster forwarding for a new sensor network model. According to the distribution of energy of every clusters, the new allocation of sink is dertermined. The scheme can avoid the unbalance of spending energy and solve the issue of energy hole. Throught simulation,it shows the scheme is very efficient and has good effect than the other algorithm these have existed.