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Home > Archives > Volume 20, No 7 (2022) > Article

DOI: 10.14704/nq.2022.20.7.NQ33006

COMPACT TRIPLE BAND MILLIMETER WAVE PATCH ANTENNA ARRAY FOR VEHICULAR AND 5G COMMUNICATIONS

N. Divya, Satyam, K. Neelima,T. Ganesh Kumar

Abstract

Due to rapid technological advancements in automobile sector, vehicular congestion has become a predominant sight not just in tier-I cities but also in tier-II and tier-III cities. Vehicular congestions give rise to vehicular collision and pollution. To mitigate this menace, it is important to detect surrounding vehicles such that all the three intertwined issues, viz. congestion, collision and pollution can be addressed effectively. This paper proposes to tackle this particular issue of vehicle detection. A compact millimeter wave patch antenna (mm-PA) array with 2 elements has been proposed in this regard. The paper presents a basic antenna (single element) in the first part and the proposed antenna (2-element array) in the latter, both with operating frequency of 27 GHz, thus enabling its use in 5G vehicular communication. Simulation results show triple-band characteristics with resonating frequencies at 27 GHz, 45 GHz and 54 GHz. 27 GHz is suitable for vehicular communication and the rest two frequencies viz. 45 GHz and 54 GHz can be used for various other 5G and mm-wave applications. Results show enhanced performance of the proposed antenna with overall gain of around 6 dB, overall impedance bandwidth of 8.6 GHz, return losses of -22.98 dB, -13.22 dB & -10 dB and VSWR of 1.15, 1.56 & 1.97 at 27 GHz, 45 GHz and 54 GHz respectively. A relatively thin Rogers RT Duroid 5880 has been used as a substrate which has better conformability with integrated circuits used in automobile and better frequency response in microwave range. A wide 3-dB beamwidth enhances users experience as it can offer more vehicle detection. High frequency structure simulator (HFSS) software has been used for design and simulation.

Keywords

mm-wave, mm-PA, 5G, Rogers RT Duriod 5880

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