低压电力线载波通信组网的研究

Study on the Carrier Communication Networking for Low Voltage Power Lines

为改善目前低压电力线载波通信在实际应用中通信距离短、通信效果差的现状,给出了一种动态组网方法。首先通过网络初始化过程获取终端之间的通信质量;然后以通信质量为依据,分别采用Dijstra和粒子群算法两种优化算法选取中继节点,获取集中器与通信终端之间的最佳通信路径,并对这两种算法进行对比分析;最后对该组网方法进行了实际测试。测试结果证实该组网方法是可行的,改善了系统的通信效果。

At present, the practical application of low voltage power line cartier communication only offers short communication distance and poor communication quality, to improve such condition; the dynamic networking method is proposed. With this method, firstly, the communication quality between terminals is obtained through the initialization process of network; then according to the communication quality, the Dijstra algorithm and the particle swarm optimization algorithm are separately used to select the relay nodes and get the optimal communication path between concentrator and communication terminal. Two of the optimization methods are analyzed and compared, and finally this networking method is tested practically. The test result verifies that the networking method proposed is feasible and improves the communication effect of the system.