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Wireless Personal Communications
Erschienen in: Wireless Personal Communications 4/2022

23.09.2021

Dual-Band Antenna Array with Reduced Mutual-Coupling for Wearable Wireless Communication Applications

verfasst von: Shaymaa M. Gaber, Noha A. El-Shalaby, Hend A. Malhat

Erschienen in: Wireless Personal Communications | Ausgabe 4/2022

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Abstract

In this paper, dual-band wearable microstrip patch antenna printed on FR4-substrate is designed and fabricated for wearable wireless communications. A star-shaped monopole Ω antenna connected to 50 Ω transmission line, backed by partial ground plane is used. The antenna dimensions are optimized for wideband radiation characteristics. Different types of dielectric substrates are investigated for wideband wearable applications. The proposed antenna printed on jeans textile substrate introduces an impedance matching bandwidth of 7.3 GHz with maximum gain of 5 dBi. The effect of mutual coupling between two parallel patches, two opposite patches and two orthogonal patches on their radiation characteristics are investigated. High isolation is achieved for two orthogonal patches placed away from each other by 0.3λ with a rectangular strip etched between them and cutting in the ground plane. The isolation is below − 29 dB within the frequency band. The structure achieves impedance matching bandwidth of 1.8 GHz in 1st-band and 4.8 GHz in 2nd-band with maximum gains of 8.5 dBi and 5.3 dBi, respectively. A prototype element is fabricated, measured and the radiation characteristics coincide with the simulated results. The structure is simple, light-weight, and is suitable for WAN applications in the frequency band from 2 GHz to 7 GHz. The effect of human body tissue on the radiation characteristics of the antenna array is investigated. 
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Metadaten
Titel
Dual-Band Antenna Array with Reduced Mutual-Coupling for Wearable Wireless Communication Applications
verfasst von
Shaymaa M. Gaber
Noha A. El-Shalaby
Hend A. Malhat
Publikationsdatum
23.09.2021
Verlag
Springer US
Erschienen in
Wireless Personal Communications / Ausgabe 4/2022
Print ISSN: 0929-6212
Elektronische ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-021-09111-w

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