Design and Optimize a Quasi-Elliptical Patch Antenna for Wireless Communications

Authors

DOI:

https://doi.org/10.31185/ejuow.Vol12.Iss4.601

Keywords:

Elliptical Microstrip Antenna (EMSA), Bandwidth Enhancement, Partial Ground Plane, Slotted Patch, UWB

Abstract

This study presents a novel elliptical microstrip antenna (EMSA) design method for enhanced bandwidth. The proposed EMSA offers versatile polarization control, generating both linear and circular polarization. Wider impedance bandwidths compared to some other patch antennas make it suitable for broadband communication. Its compact size facilitates integration into space-constrained devices. Additionally, it provides polarization diversity for MIMO systems, reducing signal fading.

The fabricated EMSA, operating at 7.05 GHz, achieves a simulated bandwidth of 5.7% and a measured bandwidth of 4.28%. It exhibits a return loss of -42 dB, 50 Ω impedance matching, 8.57 dB radiation gain, and a VSWR of 1.016. Two bandwidth enhancement techniques were investigated: reducing the ground plane size and incorporating slots within the patch. The partial ground plane achieved simulated and measured bandwidth improvements of 146% and 167%, respectively. The slotted patch yielded 160% and 180% improvements, respectively. 

References

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Published

2024-12-01

Issue

Section

Electrical Engineering

How to Cite

Naji, H. (2024). Design and Optimize a Quasi-Elliptical Patch Antenna for Wireless Communications. Wasit Journal of Engineering Sciences, 12(4), 163-170. https://doi.org/10.31185/ejuow.Vol12.Iss4.601