Vol. 124

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2022-09-17

Sub-6 GHz Adjustable Broadband Radiation Pattern Microstrip Antenna for Wireless Communication System

By Faouzi Rahmani, Naima Amar Touhami, Abdelmounaim Belbachir Kchairi, Mohammed Lamsalli, Nihade Taher, and Mohammed Ali Ennasar
Progress In Electromagnetics Research C, Vol. 124, 97-109, 2022
doi:10.2528/PIERC22070701

Abstract

The present work demonstrates the design of a wideband 2×1 reconfigurable beam steering array for wireless communication systems. The designed antenna is powered by a microstrip line, and consisting of a two rectangular-shaped radiating elements and a rectangular planar ground. Its dimensions are the following: 0.67λ0 x 0.53λ0 x 0.03λ0. It executes three reconfigurable operating states by turning on and off two PIN diodes to change the direction of the main beam, as well as a beam tilt ranging from (±30°) to (±38°). A progressive analysis in order to enhance the the antenna characteristic performances is furnished. The proposed reconfigurable antenna bandwidth is 18.18% (simulated), 18.84% (theoretical) and 19.42% (measured). The presented antenna has a maximum gain of 8.62 dB (simulated) and 8.45 dB (measured), and a higher efficiency ratio of 80% to 86% over the operating band (5 GHz-6 GHz). The designed antenna is fabricated using a low loss Rogers RT5880 substrate of 2.2 relative permittivity. The simulated, theoretical and measured results are presented and exhibit good accord, including the S11 parameter and radiation patterns. In addition to the pattern reconfiguration, the obtained results are useful in order to improve the overall gain, antenna bandwidth and efficiency.

Citation


Faouzi Rahmani, Naima Amar Touhami, Abdelmounaim Belbachir Kchairi, Mohammed Lamsalli, Nihade Taher, and Mohammed Ali Ennasar, "Sub-6 GHz Adjustable Broadband Radiation Pattern Microstrip Antenna for Wireless Communication System," Progress In Electromagnetics Research C, Vol. 124, 97-109, 2022.
doi:10.2528/PIERC22070701
http://jpier.org/PIERC/pier.php?paper=22070701

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