Abstract
In this paper a modified multi-slot patch multiband antenna is intended and analyzed by using Computer Simulation Tool Studio Suite 2016 (CST) software. Due to the extreme use of wireless communication devices, dual band or multiband antennas have received great attention for varied wireless applications. Varieties of materials with different dielectric constants are available for microstrip patch antenna. During this work, graphene material is employed and analyzed at X and Ku band frequency (8 to 18 GHz). The use of graphene material as conducting substance is speculated to enhance the bandwidth and radiation efficiency of the antenna due to its stand out functionalities and electromagnetic properties. Different dimensions of slot cuts created on the patch. The antenna is designed with Duroid RT5880 (lossy) material of a dielectric constant 2.2 placed between graphene patch and ground plane. The resonance frequencies of the antenna are 11.46 and15.42 GHz with a gains of 6.98 and 8.14dB, return losses of -24.54 and -16.56dB and VSWR of 1.13 and 1.35 respectively for the multiband microstrip antenna.
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