Patch Antenna Miniaturization Utilizing Metasurface Superstrate

Authors

Faculty of Electrical Engineering, Iran University of Science and Technology, Tehran, Iran

Abstract

In this paper, a new metasurface is proposed for miniaturization of patch antenna. The metasurface is placed on top of the patch antenna (working as a superstrate). The main purpose of this paper is to reduce dimensions of antenna. So the metasurface superstrate is placed on top with no air gap and is in direct contact with the radiating patch. For affirming the reduction in size, another patch antenna, which has the same shape with primary antenna, is designed without using superstrate to operate with approximate similar performance at the frequency of the first antenna with metasurface superstrate. The results show that this method brings size reduction about 50% in the surface of antenna. In this method of miniaturization, the only factor in reducing the resonant frequency of primary antenna is metasurface superstrate (place of feed line and the values of antenna dimensions are not changed). Therefore the antenna radiating parameters are affected just by metasurface superstrate. Consequently simulation measurement results, show effects of metasurface superstrate on the patch antenna characteristic and performance parameters.

Keywords

References

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TABRIZ JOURNAL OF ELECTRICAL ENGINEERING
Volume 48, Issue 4 - Serial Number 86
February 2018
Pages 1473-1480

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