基于随机网络编码的WSN多径传输自适应节能算法  

An energy-saving multi-path adaptive algorithm based on random network coding in wireless sensor networks

作　　者：孙玲芳[1,2] 候志鲁 许锋[3] 周家波[3] 

机构地区：[1]泰州学院数理信息学院,江苏泰州225300 [2]江苏科技大学计算机科学与工程学院,江苏镇江212003 [3]江苏科技大学经济管理学院,江苏镇江212003

出　　处：《电子设计工程》2016年第9期81-84,共4页Electronic Design Engineering

摘　　要：提出一种多路径的无线传感器网络(WSN)自适应节能算法,该算法的实现基于随机网络编码(RNC-ESMP)。其基本思想是:首先,该算法以WSN节点能量为考量,将数据经由节点能量最多的路径传输;其次,以目的节点解码成功率为反馈因子,构建目的节点到源节点的反馈机制,实现自适应;再次,选择合适的编码策略对数据包进行编码。最后在MATLAB环境下搭建仿真平台进行模拟仿真。实验结果表明,相比于传统的多路径算法,RNC-ESMP算法能够有效降低网络平均能耗,延长网络生命周期。The paper proposes an energy-saving multi-path adaptive algorithm based on random network coding in wireless sensor networks （RNC-ESMP）. First of all, This algorithm considers the nodesˊenergy, let the data packets transmitted on the paths which have least energy consumption during data transferring. Second, considering the decoding probability of the sink nodes as the feedback factor, the algorithm builds a feedback mechanism from the sink nodes to the source nodes to make self-adaptive impossible. Then the algorithm proposes the encoding options and probability of the intermediate nodes so as to reduce the complexity of encoding. At last, it builds the platform on MATLAB to simulate the algorithm. The results of the experiment shows that this algorithm not only can reduce the average energy consumption of networks efficiently but also can extend the networksˊlife-time.

关 键 词：随机网络编码 无线传感器网络 多径传输 节能算法 

分 类 号：TN919.72[电子电信—通信与信息系统]