Bending effects study on flexible wearable antenna for 2.45 GHz body centric wireless communications / Aslina A. Bakar … [et al.]

A. Bakar, Aslina and A. Mustafa, Amirul and R. Razali, Ahmad (2020) Bending effects study on flexible wearable antenna for 2.45 GHz body centric wireless communications / Aslina A. Bakar … [et al.]. ESTEEM Academic Journal, 16. pp. 75-87. ISSN 2289-4934

Official URL: https://uppp.uitm.edu.my

Abstract

This study aims to investigate the bending effects on the flexible wearable antenna by using copper nanowires and polydimethylsiloxane (PDMS). This project focuses on the bending effect on the proposed wearable antenna in the presence of skin tissue and at free space. The radiation characteristics were simulated and analyzed when the antenna was under flat and bent conditions. The performance result of return loss and radiation pattern (Efield and H-field) of proposed wearable antenna was analyzed. The material for the proposed antenna is designed to be flexible and wearable for the application of body-centric wireless communication (BCWCs) at the frequency of 2.45 GHz with the approval specifications of industrial, scientific and medical (ISM) band. Radiator for the proposed wearable antenna is fabricated using copper nanowire, and the antenna substrate is by using polydimethylsiloxane (PDMS). The performance result of the proposed wearable antenna was simulated by using CST microwave studio. From the simulated result for different bending angles, a conclusion was drawn that bending of structure can improve the impedance matching and return loss during the bent condition. However, the resonant frequency tends to shift as the antenna is bent up to 50°. At the critical angle of 70°, the frequency is shifted to a lower frequency.

Metadata

Item Type: Article
Creators:
Creators
Email / ID Num.
A. Bakar, Aslina
aslina060@uitm.edu.my
A. Mustafa, Amirul
UNSPECIFIED
R. Razali, Ahmad
UNSPECIFIED
Subjects: T Technology > TK Electrical engineering. Electronics. Nuclear engineering > Electronics > Apparatus and materials > Antennas
T Technology > TK Electrical engineering. Electronics. Nuclear engineering > Electronics > Apparatus and materials > Waveguides
Divisions: Universiti Teknologi MARA, Pulau Pinang
Journal or Publication Title: ESTEEM Academic Journal
UiTM Journal Collections: UiTM Journal > ESTEEM Academic Journal (EAJ)
ISSN: 2289-4934
Volume: 16
Page Range: pp. 75-87
Keywords: Microstrip; patch; PMDS; copper nanowire (CuNW); bending analysis.
Date: December 2020
URI: https://ir.uitm.edu.my/id/eprint/40655
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