Che Muhammad Nor Che Isa
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Che Muhammad Nor Che Isa
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Che Muhammad Nor, Che Isa
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Che Isa, Che Muhammad Nor
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57210792893

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Compact full flexible vivaldi antenna for 3.5 GHz wearable applications

2023 , Bikash Chandra Sahoo , Azremi Abdullah Al-Hadi , Saidatul Norlyana Azemi , Wee Fwen Hoon , Surentiran Padmanathan , Sadia Afroz , Che Muhammad Nor Che Isa , Yen San Loh , Muhammad Syahir Mahyuddin , Lai Ming Lim , Zambri Samsudin , Idris Mansor , Soh Ping Jack

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 (εr) 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 mm3 (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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