关键词: 无线传感器网络, 数据重构, 重构误差, 丢包率, 网络生存周期

Abstract:

In order to better resist the rapid consumption of network energy and reduce the impact of unreliable links on the data collection of the Wireless Sensors Networks（WSNs） system to improve the accuracy of data reconstruction, this paper proposes a Multi-parameter Data Reconstruction Method based on Energy Efficient（MDR）. This method firstly uses mobile intelligent computing to give the multi-hop function relationship between sensor nodes to determine the proportional relationship between sensor nodes. Secondly, it designs a low-coherence observation matrix through a sparse matrix, suppresses the impact of data packet loss rate on the entire sensor networks system, and improves the accuracy of data reconstruction at the sink node. Again, the high reliability of data transmission between clusters is achieved through the confirmation mechanism based on the data forwarding strategy, and the reliable delivery of multipath routing data between nodes is completed. Simulation experiments show that when the data packet loss rate is 40%, the data reconstruction accuracy error of MDR is still less than 5%; when compared with other algorithms, the number of data forwarding is reduced by 10.36%, and the average network energy consumption is reduced by 13.29%, which verifies the effectiveness and materiality of the algorithm in this paper.

Key words: wireless sensor networks, data reconstruction, reconstruction error, packet loss rate, networks lifetime