基于Grover路由策略的无线传感网络剩余容量构造与研究

Residual Capacity Algorithm of Wireless Sensor Network Using Grover Routing Strategy

网络容量计算问题是无线网络研究的热点领域之一,也是构建网络的重要评价指标。在前人的基础上,本文认为网络能耗和路由均衡技术是网络容量计算过程中两个重要因素,定义网络生存时间内所能传输的信息总量为网络总容量,网络剩余能量是随时间而变化的函数。首先,本文介绍信息传输信噪比和网络生存时间的数学模型;然后,建立整数规划数学模型,给出网络传输总容量和剩余容量的数学表达式;最后,仿真对比基于能量均衡的Grover路由策略和AODV路由策略下,网络总容量和剩余容量的变化情况。得到结论:节点移动性和能量均衡路由策略有助于提高网络总容量。

Capacity estimation is the hotspot in the research of wireless sensor networks. This paper investigates capacity algorithms based on the physics SINR model by using the integer linear programming to formulate the routing problem. This paper proposes the residual capacity algorithm and total traffic algorithm based on the lifetime of network. The numerical results show the capacity will be improved with the increase of the nodes in networks and the dynamic capacity is a time-varied function which will decrease with time. Finally,this paper points out that routing strategies and mobility will improve the capacity.