基于电力通信的LEACH算法的研究和改进

The research and improvement of the LEACH algorithm based on the power communication

结合无线传感器网络在智能电网的应用,构建了无线传感网的能量模型,详细分析了LEACH算法的原理和实现方法.针对电力通信自身特点,分析LEACH算法存在的不足,提出了一种针对电力通信的改进型算法SG-LEACH.该算法根据电力通信的特点,将节点分为普通节点与高级节点,高级节点优先当选簇首.仿真结果表明,SG-LEACH算法能有效平衡节点能耗分布,大幅延长节点生存时间,提高网络传输效率.

The energy model of the Wireless Sensor Networks （WSN） is constructed in this paper combined with the application of the WSN in smart grid. This paper also analyzes the principle as well as the implementation method of the LEACH algorithm. In consideration of the characteristics of power communication, it points out the weakness of the LEACH algorithm and proposes another modified SG - LEACH algorithm, which divides the node into ordinary node and senior node, and the senior node can be elected as cluster head nodes with higher priority. The simulation results show that the SG - LEACH algorithm can effectively balance the node energy consumption distribution, significantly extend node survival time, and improve the transmission efficiency of the network.