智能电表微功率无线通信模块天线方向性
收稿日期: 2015-10-29
修回日期: 2015-12-07
网络出版日期: 2017-01-30
基金资助
国家电网公司科技项目基金（No.526800150054）资助
Antenna Directionality of Micropower Wireless Communication Module in Smart Meter
Received date: 2015-10-29
Revised date: 2015-12-07
Online published: 2017-01-30
于华东, 欧清海, 张喆, 王云棣, 吴庆, 赵宏昊, 卢毅 . 智能电表微功率无线通信模块天线方向性[J]. 应用科学学报, 2017 , 35(1) : 11 -20 . DOI: 10.3969/j.issn.0255-8297.2017.01.002
Received wireless power can be increased under the same conditions by reasonable installation angle of directional antennas.A 230 MHz normal mode helix antenna of micropower wireless communication module in a smart meter is designed and implemented.Directivity of the antenna is discussed.The installation angle of antenna is improved based on actual installation mode of antenna and the smart meter.Simulation and measurements show that the average received wireless power in a micropower wireless communication module increases by 2.4 dBm as compared to that without installation angle improvement.In the same environment and the same signal encoding modulation mode, signal-to-noise ratio of the received signal is increased, and therefore quality of wireless communication between a smart meter and a concentrator can be improved.
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