低压电力集抄上行通信信号盲区解决方案研究

摘要

为解决用电信息采集设备因安装在移动信号盲区，而导致GPRS／CDMA模块通信无法上线的问题，文中介绍了一种基于宽带载波通信技术的无线信号中继器设备———宽带电力线载波无线信号中继器。宽带电力线载波无线信号中继器由数据转换单元、本地单元和远程单元组成，本地单元与远程单元间通过宽带电力线载波通信技术进行通信。在使用原有终端与GPRS／CDMA远程通信模块的条件下，加装宽带电力线载波无线信号中继器，可使信号不良区域的终端实现与主站实时数据交互。通过试验测试表明，宽带电力线载波无线信号中继器具有良好的通信实时性和可靠性，能够较好地满足低压电力集抄系统上行通信对于通信技术的需求。%The power information collection equipments which would be installed in mobile signal blind area , where the GPRS/CDMA communication modules are off-line, in such a situation, the communication will fail.In order to resolve this problem , after analyzing the advantages and disadvantages of the existing solutions , this paper introduces a new solution which is based on wideband carrier communication technology , called broadband carrier wireless signal repeater .This repeater is composed by a master node , a slave node and data conversion unit .The master node always locates at good signal areas , while the slave node is installed in the data concentrator , and they can communication with each other through the broadband carrier .Experiments show that broadband carrier wireless signal repeater has a good performance on real-time communication and reliability , which can meet the demand of intelligent electricity con-sumption and electricity information acquisition system .