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A S-BAND “SQUQRE SHAPE” METAMATERIAL STRUCTURE TO ENHANCE THE PERFORMANCE OF RECTANGULAR MICROSTRIP PATCH ANTENNA

Suprabhat vishwakarma

Abstract


A communication system always involves a spectrum or band of frequencies and as such the question of bandwidth is an important parameter in RMPA. But miserable efficiency, narrow bandwidth and high return loss are the major drawbacks of Micro-strip patch antenna. Even though, to enhance the characteristic parameter of RMPA, metamaterial is founded as a better candidate. The main motive of this design is to improve the distinctive parameter of RMPA like bandwidth and return loss. So it will be possible with the help of S-band(2GHZ-4 GHZ) hexagon shape metamaterial structure over the RMPA, associated at the height of 3.276mm from the ground plane. The frequency 2.691GHZ, is the frequency at which our RMPA without proposed metamaterial is operated with 55.6MHZ bandwidth. The parameters of RMPA like bandwidth and return loss is improved up to 27.15% and 268.76% respectively. with the help of CST-MWS, the proposed metamaterial structure and simple RMPA are designed and simulated. But for proving metamaterial property MS-EXCEL is used.
Keywords: Left Handed Metamaterial (LHM), Rectangular Micro-strip Transceiver(RMT), Double Negative Metamaterial(DNG), Impedance Bandwidth, Return Loss, Nicolson-Ross-Weir(NRW).

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References


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DOI: https://doi.org/10.37628/ijmet.v1i1.47

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