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针对入户配电网结构复杂、干扰严重、抄表系统内部各点之间不能完全实现直接通信的特点,采用动态路由中继方法,提出基于可预测p-保持载波侦听多路访问(CSMA)机制,根据预测信道上的数据流量来确定发送时隙。阐述了蚁群路由算法和洪泛路由算法应用于电力载波抄表网络的具体方案,设计和开发出一种适合于电力载波抄表系统的组网方式。基于NS2网络仿真软件对AdHoc网络中的按需距离矢量路由(AODV)协议进行了仿真测试,结果表明采用该自动路由技术可以提高低压电力载波抄表快速性和可靠性。
In view of the complex structure and serious interference of household distribution network, the direct communication between various points in the meter reading system can not be realized completely. The dynamic routing relay method is proposed to predict the performance of the system based on Predictive p-Hold Carrier Sense Multiple Access ) Mechanism to determine the transmission time slot based on the data traffic on the predicted channel. The ant colony routing algorithm and flooding routing algorithm are introduced to the specific scheme of power line carrier meter reading network. A networking mode suitable for power line carrier meter reading system is designed and developed. Based on NS2 network simulation software, the on-demand Distance Vector Routing (AODV) protocol in AdHoc network is simulated. The results show that the automatic routing technology can improve the fastness and reliability of low-voltage power line meter reading.