用于智能手表的偏振分集双端口环形天线

2019 Cross Strait Quad-Regional Radio Science and Wireless Technology Conference (CSQRWC) Pub Date : 2019-07-01 DOI:10.1109/CSQRWC.2019.8799174

Buyun Wang, A. Zhang, S. Yan

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引用次数: 3

摘要

提出了一种适用于智能手表的极化分集双端口环形天线。改进的t形单极子与环形天线集成。两根天线分别由共面波导线和槽线馈电。两个端口都覆盖2.4 GHz的WLAN带宽。此外，还考虑了智能手表的后壳和人体组织模型。数值结果表明，两个端口具有正交辐射方向图。对天线进行了自由空间分析和人体分析。在无体情况下，增益和辐射效率分别高于1.1 dBi和30%。

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A Dual-Port Annular Antenna with Polarization Diversity for Smartwatches

A dual-port annular antenna with polarization diversity is proposed for smartwatch application. A modified T-shape monopole is integrated with an annular ring antenna. The two antennas are fed by coplanar waveguide (CPW) line and slot line, respectively. Both the two ports cover 2.4 GHz WLAN bandwidth. Besides, the back shell of smartwatches and the human tissue model are considered. The numerical results show that the two ports has orthometric radiation patterns. The antenna is analyzed both in free space and on human body. The gain and radiation efficiency is higher than 1.1 dBi and 30 % in the on body scenario.

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2019 Cross Strait Quad-Regional Radio Science and Wireless Technology Conference (CSQRWC)

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