Dual-band LoRa Antenna : Design and Experiments

F. Ferrero, Mouhamed Bhoye Toure
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引用次数: 6

Abstract

In this study, a dual-band miniature antenna for LP-WAN covering 433MHz and 868MHZ bands is designed to fit into a 90*30mm terminal. Design methodology based on the use of two lumped components inserted in the radiating element is presented. The optimized antenna is fabricated and assembled with electronic components and battery. A measurement is performed to assess radiation performance in anechoid chamber. The terminal has a total efficiency of −6dB and −4.5dB at respectively 433MHz and 868MHz with a dipolar radiation pattern. The performance of the terminal is evaluated in a real environment and show similar performance at 433MHz and 868MHz.
双频LoRa天线:设计与实验
本研究设计了一种覆盖433MHz和868MHZ频段的LP-WAN双频微型天线,适合于90*30mm的终端。提出了基于在辐射单元中插入两个集总元件的设计方法。优化后的天线由电子元件和电池组装而成。对消声室的辐射性能进行了测量。该终端在433MHz和868MHz时的总效率分别为- 6dB和- 4.5dB,具有偶极辐射方向图。在实际环境中对终端的性能进行了评估,在433MHz和868MHz频段表现出相似的性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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