Burj Khalifa-inspired reconfigurable microstrip patch antenna for wireless solutions

IF 1.6 4区地球科学 Q3 ASTRONOMY & ASTROPHYSICS

Radio Science Pub Date : 2025-02-01 DOI:10.1029/2024RS008114

J. Salah;M. Madi;M. El Abbasi;M. Moussa;A. Daher;M. Hussein;K. Kabalan

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引用次数: 0

Abstract

This paper presents a new microstrip patch antenna inspired by the iconic Burj Khalifa, Dubai's world's tallest skyscraper. The antenna design focuses on being compact, lightweight, cost-effective, and versatile. Simulated through HFSS software, the patch antenna demonstrates a multi-frequency operation. Fabricated on a double-sided copper FR4 epoxy PCB (4 × 8 cm², 1.6 mm thickness) using a coaxial probe feeding method, it achieves a gain exceeding 7 dB at 7 GHz. Prototypes show excellent consistency between measured and simulated reflection coefficients and gains at 4.8, 5.7, and 7 GHz. Two additional designs are presented to adjust the resonance frequency, making it suitable for biomedical sensors, WIFI, and point-to-point microwave links. One design involves adding a short slot that is close to the feed point, while the other design includes a pair of varactors. Both designs create a reconfigurable microstrip antenna with electromagnetic characteristics that can be adjusted to increase its electrical length. The antenna resonates at 4.8 GHz. The slotted short patch shifts the resonance to 3.1 GHz, and the varactor patch shifts the resonance frequency to 2.1 GHz. When the DC reverse bias voltage of the varactors varies from 0 to 6 V, the gain improves to 15.2 dB.

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来源期刊

Radio Science 工程技术-地球化学与地球物理

CiteScore

3.30

自引率

12.50%

发文量

112

审稿时长

1 months

期刊介绍： Radio Science (RDS) publishes original scientific contributions on radio-frequency electromagnetic-propagation and its applications. Contributions covering measurement, modelling, prediction and forecasting techniques pertinent to fields and waves - including antennas, signals and systems, the terrestrial and space environment and radio propagation problems in radio astronomy - are welcome. Contributions may address propagation through, interaction with, and remote sensing of structures, geophysical media, plasmas, and materials, as well as the application of radio frequency electromagnetic techniques to remote sensing of the Earth and other bodies in the solar system.