Title: Design and analysis of a coupled-feed, reconfigurable antenna for wireless application

Authors: Santimoy Mandal; Saindhab Chattaraj; Biswajit Mondal; Chandan Kumar Ghosh

Addresses: NSU, Jamshedpur, Jharkhand, India ' Department of Computer Science and Engineering, Dr. B.C. Roy Engineering College, Durgapur, West Bengal, India ' Department of Computer Science and Engineering, Dr. B.C. Roy Engineering College, Durgapur, West Bengal, India ' Department of Electronics and Communications Engineering, Dr. B.C. Roy Engineering College, Durgapur, West Bengal, India

Abstract: In this research, a planar reconfigurable antenna consists of multi-frequency broadband characteristics is designed for wireless communication systems application. It consists of inverted C-structured feeding strip and a shorting strip with three twigs for Long Term Evolution (LTE) band 46, 47 is proposed. The proposed antenna can be used for U-NII (licensed assisted access) and U-NII-4 (cellular vehicle to everything) with Time Division Duplexing (TDD) mode having frequency of 5.2 to 5.9 GHz. The simulated bandwidth (3:1 VSWR) of the projected antenna is (3.92 to 4.04 GHz) is 121 MHz at low band and 1236 MHz (5.264 to 6.5 GHz) at the high band. By bending the strip line and the use of coupled feed we achieved the miniaturisation and broadbandisation of the projected antenna. The total volume of the antenna is 12 mm × 50 mm × 1 mm, which is suitable for different wireless communication systems applications.

Keywords: WWAN; wireless wide area network; LTE; long-term evolution; TDD; time division duplexing; VSWR; coupled feed; shorting strip.

DOI: 10.1504/IJWMC.2025.144208

International Journal of Wireless and Mobile Computing, 2025 Vol.28 No.2, pp.149 - 157

Received: 14 Dec 2022
Accepted: 07 Dec 2023
Published online: 31 Jan 2025 *

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