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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2022-08-04
Design of a Wideband Spring Textile Antenna for Wearable 5G and IoT Applications Using Characteristic Mode Analysis
By
Bashar Bahaa Qas Elias,

    Dr. Bashar Bahaa Qas Elias

    Information and Communication Engineering

    Al-Nahrain University

    Iraq

    Homepage

Ping Jack Soh

    Prof. Ping Jack Soh

    Oulu University

    Finland

    Homepage

Progress In Electromagnetics Research M, Vol. 112, 177-189, 2022
doi:10.2528/PIERM22062909 | Google Scholar

Abstract
This paper presents the design and practical implementation of a wideband spring textile (WST) antenna for wearable communications. The antenna is designed on a felt substrate having a compact dimension of 32 × 42 × 3 mm3 (0.38λg × 0.5λg × 0.036λg). This antenna operates in the 3.14 to 5.45 GHz frequency range, has a bandwidth (BW) of around 2306 MHz, and has a peak realized gain of 6 dBi at 3.5 GHz. Due to a broad frequency coverage, this antenna can be used in a wide range of wireless applications, including 5G and IoT. The proposed design is analyzed in terms of reflection coefficient, radiation pattern, efficiency, gain, and surface current. Using the same electromagnetic simulation software, both characteristic mode analysis (CMA) and the method of moments (MoM) are applied in the design process. The simulated results on a human chest phantom demonstrate the -10-dB impedance bandwidths of 1461 MHz. The antenna prototype is fabricated for verification, and the simulated and measured results demonstrate that the proposed antenna is suitable for wideband on-body applications given its low-profile implementation and mechanical flexibility.
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Citation
Bashar Bahaa Qas Elias, and Ping Jack Soh, "Design of a Wideband Spring Textile Antenna for Wearable 5G and IoT Applications Using Characteristic Mode Analysis," Progress In Electromagnetics Research M, Vol. 112, 177-189, 2022.
doi:10.2528/PIERM22062909
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