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提出一种结合随机网络编码和占空比的无线传感器网络节能方案(RNC_DCES).该方案根据所接收数据标识信息决定节点处于工作状态或睡眠状态,以避免数据重复接收,并通过结合随机网络编码,增加相同传输次数下的数据信息量,从而实现节能.通过理论计算分析了RNC_DCES方案所构建传输模型下的网络能耗最大值,并验证了多跳网络能耗的最优解.实验结果表明,对比联合随机占空比网络编码(RDCNCode)算法和改进型自适应网络编码(AdapCode++)算法,RNC_DCES延长了网络生命周期4.02%和8.51%,提升了包投递率14.83%和4.65%,从而有效提升了数据包投递率和网络能量效率.
This paper proposes an energy saving scheme (RNC_DCES) for wireless sensor networks based on random network coding and duty cycle. This scheme determines that the node is in a working state or sleep state according to the received data identification information to avoid repeated reception of data and by combining random network coding , And increase the amount of data and information under the same number of transmissions to save energy.The maximum energy consumption of the network under the transmission model constructed by RNC_DCES scheme is analyzed by theoretical calculation and the optimal energy consumption of multi-hop network is verified.The experimental results show Compared with RDCNCode and AdapCode ++, RNC_DCES extends network lifetime by 4.02% and 8.51%, improves package delivery rates by 14.83% and 4.65%, which is effective Improved packet delivery rate and network energy efficiency.