Compact Full Flexible Vivaldi Antenna for 3.5 GHz Wearable Applications
Sahoo, Bikash Chandra; Abdullah Al-Hadi, Azremi; Azemi, Saidatul Norlyana; Fwen Hoon, Wee; Padmanathan, Surentiran; Nor Che Isa, Che Muhammad; Afroz, Sadia; Loh, Yen San; Mahyuddin, Muhammad Syahir; Lim, Lai Ming; Samsudin, Zambri; Mansor, Idris; Soh, Ping Jack (2024-01-22)
IEEE
22.01.2024
B. C. Sahoo et al., "Compact Full Flexible Vivaldi Antenna for 3.5 GHz Wearable Applications," 2023 IEEE International Symposium On Antennas And Propagation (ISAP), Kuala Lumpur, Malaysia, 2023, pp. 1-2, doi: 10.1109/ISAP57493.2023.10388565.
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© 2023 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
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Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi:oulu-202401291489
https://urn.fi/URN:NBN:fi:oulu-202401291489
Tiivistelmä
Abstract
In this paper, a compact wearable Vivaldi antenna resonating at 3.5 GHz is proposed for 5G n77, and n78 bands. It is designed upon a flexible polyester substrate having dielectric constant (ɛ r ) of 1.34 and loss tangent (tan δ) of 0.005. The antenna parameters were optimized via parametric analyses using CST software with a size of 45 × 45 × 0.4 mm 3 (length × width × height). The antenna is evaluated in terms of reflection coefficient, gain, efficiency, radiation pattern, and surface current density. This antenna attained a maximum simulated gain of 4.7 dBi, and an efficiency of 98 % in the resonating band.
In this paper, a compact wearable Vivaldi antenna resonating at 3.5 GHz is proposed for 5G n77, and n78 bands. It is designed upon a flexible polyester substrate having dielectric constant (ɛ r ) of 1.34 and loss tangent (tan δ) of 0.005. The antenna parameters were optimized via parametric analyses using CST software with a size of 45 × 45 × 0.4 mm 3 (length × width × height). The antenna is evaluated in terms of reflection coefficient, gain, efficiency, radiation pattern, and surface current density. This antenna attained a maximum simulated gain of 4.7 dBi, and an efficiency of 98 % in the resonating band.
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