A L-Band “Rectangular Shape Inside a Pentagon” Metamaterial Structure for Microwave Application
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 7
Abstract
In this paper a design of L-band (1GHZ-2GHZ) rectangular microstrip patch antenna integrated with “rectangular shape inside a pentagon” metamaterial structure attached at the height of 3.276mm from the ground plane. It is demonstrated that the application of the media with a negative refractive index, negative permeability and negative permittivity. Furthermore the return loss is improved by the inclusion of the metamaterial structure reaching -28.426db compared with - 12.73db achieved by the original patch antenna structure alone. Main focus in this design process is to reduce the size and return loss of the patch antenna. In this paper, we will improve the property of RMPA. In which proposed metamaterial structure, reduce the size of antenna by shifting the lowest dip to a frequency other than the operative frequency i.e. 1.035GHZ. The sizes is being reduced to 85% and also reduce the return loss from -12.73db to -28.426db. The proposed antenna is designed by using CST(computer simulation technology software) MICROWAVE STUDIO. This proposed design has low profile, small size, low loss, easy to fabricate and better directivity as compared to the simple rectangular patch.
Authors and Affiliations
Suprabhat Vishwakarma, Bimal Garg
Keywords
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