Design and analysis of subwavelength RMPA using double folded I shaped ENG metamaterial

This paper presents design of a subwavelength patch antenna using epsilon negative metamaterial. Firstly, the metamaterial is designed at resonant frequency of reference rectangular patch antenna at 5.2 GHz and then this designed metamaterial is applied underneath the reference patch antenna. Addition of ENG metamaterial underneath the patch antenna decreases its resonant frequency. Simulation results shows that as the number ENG metamaterial layer underneath the patch increases the resonant frequency of reference antenna shift gradually to the lower side.

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