Design of a compact, wideband, and flexible rhombic antenna using CMA for WBAN/WLAN and 5G applications

被引：14

作者：

Qas Elias, Bashar Bahaa ^{[1
]}

Soh, Ping Jack ^{[1
,2
]}

Abdullah Al-Hadi, Azremi ^{[1
]}

Vandenbosch, Guy A. E. ^{[2
]}

机构：

[1] Univ Malaysia Perlis, Fac Elect Engn Technol, Adv Commun Engn ACE CoE, Arau 02600, Perlis, Malaysia

[2] Katholieke Univ Leuven, ESAT TELEMIC Res Div, Leuven, Belgium

来源：

INTERNATIONAL JOURNAL OF NUMERICAL MODELLING-ELECTRONIC NETWORKS DEVICES AND FIELDS | 2021年 / 34卷 / 05期

关键词：

characteristic mode analysis; planar monopole antenna; wearable antenna; ALGORITHM;

D O I：

10.1002/jnm.2841

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The design of a compact, wideband flexible monopole antenna printed on a flexible Kapton polyimide substrate is presented. The proposed antenna consists of two rhombic elements embedded within a square plane as the radiating element. The wide bandwidth is aimed at alleviating potential performance degradations due to its application in an on-body environment. The proposed antenna is designed using two main methods: the method of moments with adaptive cross approximation, and the characteristic mode analysis. The antenna operates from 2.038 to 3.745 GHz, indicating a bandwidth of 1.707 GHz (59.03%). Two dominant resonant frequencies are observed at 2.45 and 3.42 GHz, with realized gain of 3 and 5 dBi, and radiation efficiency of 90% and 83%, respectively. Besides that, the genetic algorithm and particle swarm optimization techniques are used to optimize the antenna and its performance validated via measurements. Besides, in free space, its on-body performance when placed in proximity of a human body phantom is evaluated. Finally, specific absorption rate assessment is performed to ensure the safety of the proposed antenna when operating on human. Results indicate the antenna's suitability for wearable applications to support different wireless standards.

引用

页数：16

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