具有能量补给的无线传感器网络能量感知路由算法

具有能量补给的无线传感器网络能量感知路由算法

马颖;祁浩;樊维涛

【期刊名称】《西安工业大学学报》

【年(卷),期】2012(032)007

【摘要】In order to adapt to the energy supply characteristics of wireless sensor network (WSN) under new energy aconditions, ccording to node energy fluctuation and energy supply velocity, a new routing algorithm based on energy supply named Power-Harvesting Energy Aware(PHEA) is proposed. The fact is considered that sensor nodes can obtain energy from around. Dempster-Shafer algorithm for information fusion is used to select the next-hop node, so energy consumption can be uniformly distributed over the network. The simulation result shows that the improved algorithm improves the equilibrium of energy consumption in WSN with energy supply factors comsidered, extending the life cycle of the network. Compared with EA, a classic energy aware routing algorithm, PHEA ' s performance is improved by 50%.%为适应新能源条件下无线传感器网络的能量补给特点,根据节点自身能量起伏变化和能量补给的速率等特点,提出了一种考虑能量补给因素的无线传感器网络能量感知路由算法——pHEA.PHEA将传感器节点从周围环境中获取能量的因素考虑进路由算法中,并使用信息融合D-S证据理论算法选择下一跳节点,使得能量消耗能够平均分配到整个网络中.仿真结果表明,算法改善了能量补给因素条件下无线传感器网络中的能量消耗的均衡特性,延长了网络的生命周期,与经典能量