一种紧凑的树状双频可穿戴天线，具有增强的远场性能，用于WBAN应用

IF 3.6 3区计算机科学 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS

IEEE Access Pub Date : 2025-09-01 DOI:10.1109/ACCESS.2025.3604551

R Sandhya;Avinash Chandra

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引用次数: 0

摘要

本文提出了一种适用于无线体域网络（WBAN）的紧凑型双频可穿戴天线。所提出的可穿戴天线采用半柔性RT/duroid 5870衬底设计和制造，能够在2.45 GHz和5.8 GHz ISM频段共振双频工作。该天线原型包括一个矩形贴片，该贴片具有六边形嵌体和位于中心的树形槽，整体尺寸为$35 × 25 × 0.787$ mm3 ($0.28~\lambda _{0} × 0.20~\lambda _{0} × 0.006~\lambda _{0} × 0.006)，在2.45 GHz时实现25% （2.21 ~ 2.82 GHz）的阻抗带宽，在5.8 GHz时实现7.11% （5.48 ~ 5.78 GHz）的阻抗带宽。设计的天线具有全向和双向辐射特性，在2.45 GHz和5.8 GHz频段的估计增益分别为2.30 dBi和4.95 dBi，辐射效率分别为97.5%和98.3%。此外，进行了弯曲和比吸收率（SAR）分析的验证，各自的模拟值和测量值非常匹配，提供了有效和稳健的结果。因此，建议将本设计应用于包括穿戴式可穿戴设备在内的无线体域网络（WBAN）应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

查看原文本刊更多论文

A Compact Tree-Shaped Dual-Band Wearable Antenna With Enhanced Far-Field Performance for WBAN Applications

This paper presents a compact, dual-band wearable antenna for wireless body area network (WBAN) applications. The proposed wearable antenna is designed and fabricated using a semi-flexible RT/duroid 5870 substrate enabling dual-band operation resonating at 2.45 GHz and 5.8 GHz ISM bands. The antenna prototype, comprises a rectangular patch that has a hexagonal inlay and a centrally positioned tree-shaped slot, with overall dimensions of

$35\times 25\times 0.787$

mm3 (

$0.28~\lambda _{0} \times 0.20~\lambda _{0} \times 0.006~\lambda _{0}$

) achieving an impedance bandwidth of 25% (2.21-2.82 GHz) at 2.45 GHz and 7.11% (5.48-5.78 GHz) at 5.8 GHz. The designed antenna exhibits omnidirectional and bidirectional radiation characteristics with an estimated gain of 2.30 dBi and 4.95 dBi and radiation efficiency of 97.5% and 98.3% at 2.45 GHz and 5.8 GHz respectively. Additionally, validation of both the bending and Specific Absorption Rate (SAR) analyses are carried out and the respective simulated and measured values strongly match providing effective and robust results. Therefore, the proposed design is recommended for Wireless Body Area Network (WBAN) applications including body-worn wearable devices.

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来源期刊

IEEE Access COMPUTER SCIENCE, INFORMATION SYSTEMSENGIN-ENGINEERING, ELECTRICAL & ELECTRONIC

CiteScore

9.80

自引率

7.70%

发文量

6673

审稿时长

6 weeks

期刊介绍： IEEE Access® is a multidisciplinary, open access (OA), applications-oriented, all-electronic archival journal that continuously presents the results of original research or development across all of IEEE''s fields of interest. IEEE Access will publish articles that are of high interest to readers, original, technically correct, and clearly presented. Supported by author publication charges (APC), its hallmarks are a rapid peer review and publication process with open access to all readers. Unlike IEEE''s traditional Transactions or Journals, reviews are "binary", in that reviewers will either Accept or Reject an article in the form it is submitted in order to achieve rapid turnaround. Especially encouraged are submissions on: Multidisciplinary topics, or applications-oriented articles and negative results that do not fit within the scope of IEEE''s traditional journals. Practical articles discussing new experiments or measurement techniques, interesting solutions to engineering. Development of new or improved fabrication or manufacturing techniques. Reviews or survey articles of new or evolving fields oriented to assist others in understanding the new area.