一种无线传感器网络节点随机部署策略

针对无线传感器网络节点随机部署的盲目性，提出一种按随机均匀分布规律部署无线传感器网络节点的策略。证明在感知区域内，随机均匀部署的大量相互独立的传感器节点数目服从泊松分布，通过建立无线传感器网络节点分布模型，得到面积覆盖率与目标区域节点分布密度之间的关系，设计在目标区域内传感器节点数量的估计方法。实验结果表明，该策略能保证无线传感器网络的覆盖性和连通性，更有效地控制网络成本。

Random Deployment Strategy of Wireless Sensor Network Node

For the blindness of randomly deploying Wireless Sensor Network(WSN),a strategy is proposed that WSN nodes are deployed following random uniform distribution rule.This paper demonstrates that in the perception area,a large number of sensors with randomly deployment obey Poisson distribution,by establishing the model of WSN node distribution model,find the relationship between the percentage of coverage area and the nodes density of target area.It proposes a scheme that how to estimate the required number of sensor nodes in target area.Experimental results show that the proposed strategy not only guarantees the coverage and connectivity of the WSNs,but also reduces costs effectively.