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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2021-06-02
A Compact Tri-Band Flexible MIMO Antenna Based on Liquid Crystal Polymer for Wearable Applications
By
Chengzhu Du,

    Professor Chengzhu Du

    School of Electronics and Information Engineering

    Shanghai University of Electric Power

    China

    Homepage

Xun Wang,

    Dr. Xun Wang

    College of Electronics and Information Engineering

    Shanghai University of Electric Power

    China

    Homepage

Gao-Ya Jin

    Dr. Gao-Ya Jin

    College of Electronics and Information Engineering

    Shanghai University of Electric Power

    China

    Homepage

Progress In Electromagnetics Research M, Vol. 102, 217-232, 2021
doi:10.2528/PIERM21042002 | Google Scholar

Abstract
In this paper, a compact tri-band flexible MIMO antenna based on liquid crystal polymer (LCP) is designed to operate in WLAN and WiMAX bands. The antenna consists of two identical antenna elements. The isolation structure includes a ground slot, two I-shaped branches, and a parasitic strip. The measured results show that the impedance bandwidth (S11 < -10 dB) covers three frequency bands of 2.38-2.55 GHz, 3.37-3.60 GHz, and 4.92-5.37 GHz, and the S21 of working bands is basically better than -19 dB. Moreover, the flexibility of the MIMO antenna is analyzed at different bent cases. The specific absorption ratio (SAR) values are obtained by simulating the model of antenna approaching human body. The simulated results show that the SAR value of the antenna meets the European Union (EU) standard. The proposed antenna demonstrates the characteristics of satisfactory radiation, high isolation, sound gain in working bands and flexibility, which has good application prospects in the wearable field.
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Citation
Chengzhu Du, Xun Wang, and Gao-Ya Jin, "A Compact Tri-Band Flexible MIMO Antenna Based on Liquid Crystal Polymer for Wearable Applications," Progress In Electromagnetics Research M, Vol. 102, 217-232, 2021.
doi:10.2528/PIERM21042002
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