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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2014-05-22
Design, Simulation and Fabrication of an Optimized Microstrip Antenna with Metamaterial Superstrate Using Particle Swarm Optimization
By
Nooshin Feiz,

    Dr. Nooshin Feiz

    Department of Electrical and communication Engineering

    Shiraz University

    Iran

    Homepage

Farzad Mohajeri,

    Professor Farzad Mohajeri

    Electrical Engineering Department

    Shiraz University

    Iran

    Homepage

Davoud Zarifi

    Dr. Davoud Zarifi

    Department of Electrical Engineering

    Iran University of Science and Technology

    Iran

    Homepage

Progress In Electromagnetics Research M, Vol. 36, 101-108, 2014
doi:10.2528/PIERM14010202 | Google Scholar

Abstract
In this paper, a novel near zero refractive index metamaterial is designed and used as a superstrate of a microstrip antenna. In order to decrease the return loss, particle swarm optimization (PSO) is used to optimize the metamaterial structure. One of the important factors in the antenna designing, which influences the radiation efficiency, is to determine the accurate position of the feed, and PSO is used to find a precise location of the feed with minimum return loss. The simulation and fabrication of the microstrip antenna using the optimized metamaterial structure is also presented. The performance of the antenna is improved, and the gain is increased up to 4.5 dB. The directivity and radiation efficiency are significantly enhanced. Moreover, a very good agreement is observed between simulation and measurement results.
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Citation
Nooshin Feiz, Farzad Mohajeri, and Davoud Zarifi, "Design, Simulation and Fabrication of an Optimized Microstrip Antenna with Metamaterial Superstrate Using Particle Swarm Optimization," Progress In Electromagnetics Research M, Vol. 36, 101-108, 2014.
doi:10.2528/PIERM14010202
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