一种适用于ISM/WLAN/WIMAX/蓝牙应用的具有日环食结构的柔性可穿戴天线

IF 1.2 4区计算机科学 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

International Journal of Antennas and Propagation Pub Date : 2023-10-04 DOI:10.1155/2023/8969565

Zhen Yu, Runzhi Sun, Guodong Zhang, Ruirong Niu, Xiaoying Ran, Ziheng Lin

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引用次数: 0

摘要

本文提出了一种可穿戴柔性双频天线，覆盖2.34-2.68 GHz和4.05-5.26 GHz频段。该天线采用新颖的嵌套式模拟日环食结构，其中主辐射器是一个逐渐变宽的环路，另一个环路耦合在辐射器内部。天线的整体尺寸为40 * 32 * 0.3 mm³，采用聚酰亚胺作为介电材料。利用微波消声室对天线的增益、效率和交叉极化进行了测试。该天线最大增益为6dbi，最大效率为79.6%。我们在距离人体10mm处测试了天线的SAR，明显低于2.0 W/kg的国际标准。本文提出的柔性天线具有较宽的低频带宽，可覆盖ISM、WLAN、WIMAX和蓝牙等多种通信频段。该天线提供了令人满意的模拟和测量结果，同时满足了最大限度地减少人体辐射暴露的要求。

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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A Flexible Wearable Antenna with Annular Solar Eclipse Structure for ISM/WLAN/WIMAX/Bluetooth Applications

This paper proposes a wearable flexible dual-band antenna that covers the 2.34–2.68 GHz and 4.05–5.26 GHz frequency bands. This antenna employs a novel nested imitation annular solar eclipse structure, where the main radiator is a gradually widening loop, and another loop is coupled inside the radiator. The antenna, with overall dimensions of 40 ∗ 32 ∗ 0.3 mm³, utilizes polyimide as the dielectric material. The gain, efficiency, and cross-polarization of the antenna were tested using a microwave anechoic chamber. The antenna achieves a maximum gain of 6 dBi and a maximum efficiency of 79.6%. We tested the SAR of the antenna at 10 mm from the human body, which was significantly below the international standard of 2.0 W/kg. The flexible antenna presented in this paper exhibits a broad low-frequency bandwidth, enabling coverage of various communication bands such as ISM, WLAN, WIMAX, and Bluetooth. The antenna delivers satisfactory simulation and measurement results while meeting the requirements of minimizing radiation exposure to the human body.

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来源期刊

International Journal of Antennas and Propagation ENGINEERING, ELECTRICAL & ELECTRONIC-TELECOMMUNICATIONS

CiteScore

3.10

自引率

13.30%

发文量

158

审稿时长

3.8 months

期刊介绍： International Journal of Antennas and Propagation publishes papers on the design, analysis, and applications of antennas, along with theoretical and practical studies relating the propagation of electromagnetic waves at all relevant frequencies, through space, air, and other media. As well as original research, the International Journal of Antennas and Propagation also publishes focused review articles that examine the state of the art, identify emerging trends, and suggest future directions for developing fields.