摘要
针对计量终端因安装位置特殊而存在无线公网信号不良的情况,提出了外置高增益天线、延长天线、信号放大器、通信模块外置设备、低压载波转GPRS通信、微功率无线网络设备+低压载波转GPRS通信等6种解决方案。详细介绍了6种方案的相关原理和典型应用场景,并对这6种解决方案现场实际应用的优缺点进行分析与比较,总结出这6种方案的适用场景与选择原则,为解决终端无线公网信号不良问题提供了借鉴。
Aimed at improving the poor reception of wireless public network due to the special installation position of metering terminals,six solutions are proposed including the external high gain antenna,the extension antenna,the signal amplifier,the equipment with an external communication module,the conversion of low voltage carrier to GPRS communication and the equipment of micro-power wireless network+the conversion of low voltage carrier to GPRS communication.The related principles and typical application scenarios of the 6 solutions are introduced in detail,the advantages and disadvantages of the actual field applications of the 6 solutions are analyzed and compared,and the applicable scenarios and selection principles of the 6 solutions are summarized,so as to provide a reference point for solving the problem of poor reception of wireless public network for the terminals.
作者
林秀清
蒋雯倩
杨舟
李金瑾
梁捷
LIN Xiuqing;JIANG Wenqian;YANG Zhou;LI Jinjin;LIANG Jie(Metrology Center of Guangxi Power Grid Co.,Ltd.,Guangxi Nanning 530023,China)
出处
《广西电力》
2020年第5期14-18,共5页
Guangxi Electric Power
关键词
计量终端
无线公网
高增益天线
信号放大器
微功率无线通信
metering terminal
public wireless network
high gain antenna
signal amplifier
micro-power wireless communication