Radiation Bandwidth Improvement of Electromagnetic Band Gap Cavity Antenna

Author:

Chaabane Abdelhalim,Djahli Farid,Attia Hussein,Denidni Tayeb. A.

Abstract

AbstractIn this paper, an electromagnetic band gap cavity antenna with improved radiation and impedance bandwidths is presented. The proposed antenna is constructed by placing a triple-layer heterogeneous printed-unprinted partially reflective surface (PRS) above a primary aperture-coupled patch antenna. The PRS unit-cell provides a positive gradient reflection phase behavior over the desired frequency range. A prototype antenna is fabricated and measured that highlighted its ability to achieve 3-dB gain bandwidth of about 35.9 %, from 7.93 GHz to 11.4 GHz, with a peak gain of 14.25 dBi at 8.5 GHz. In addition, the impedance bandwidth is 40.32 %, from 7.9 GHz to 11.89 GHz. Thus, the designed antenna outperforms many other competitors for improving the radiation bandwidth of planar antennas with the same presented concept.

Publisher

Walter de Gruyter GmbH

Subject

Electrical and Electronic Engineering

Cited by 2 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Compact modified hourglass-shaped aperture-coupled antenna for radar applications;International Journal of Microwave and Wireless Technologies;2023-04-05

2. A single-layer metallo-dielectric superstructure for enhancing the performances of EBG cavity antenna;Journal of Electrical Engineering;2021-02-01

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