无线传感器网络中一种干扰自适应能量高效路由算法

An energy efficient routing algorithm of interference adaptive for wireless sensor networks

针对无线传感器网络中受干扰的节点,基于无线链路的物理传输特性,即有一定的干扰也能保证成功发送接收数据,并保证节点传输功率和连通性,提出一种干扰自适应能量高效路由方法。该算法通过提高干扰节点能量或切换到干扰区以外信道,找出最小能量链路来保证整个网络路径能量总和达到最小或近似最小。为了防止干扰节点能量不断提高而过快消亡,引入了一个能量置信度α。实验模拟仿真表明:该算法能够平衡全网络能耗,延长无线传感器网络的生存时间。

For the node disturbed in the wireless sensor networks, based on physical transmission characteristics of wireless link, which can not only guarantee successful data transmission and receiving, but also ensure node transmission power and connectivity, an energy efficient routing algorithm of interference adaptive for wireless sensor networks is proposed. This algorithm finds the minimum energy link through improving the interfering node energy or switch to channel outside interference zone, which ensures total energy of the entire network path minimum or approximate minimum. Introduce an energy confidence level α to prevent interference nodes constantly improve energy or to die out so fast. Simulation experiments show that the algorithm can balance the energy consumption of the whole network and prolong survival time of wireless sensor networks.