Patch Antenna Gain Enhancement with Meta-Material Spilt Ring Resonator Radome

Document Type : Original Article

Abstract

One of the applications of meta-materials is radiation attribute optimization in micro-strip antennas. In this research, a  cellular array of rectangular Split Ring Resonator (SRR) structures is considered. The structural parameters of the resultant meta-material including permeability (μ) and permittivity (ε) are extracted by using Nicolson- Rose method. A patch antenna is designed in 5.8 GHz frequency so that the meta-material array is used as superstrate. The results obtained from simulations done by CST software without the superstrate and the presence of it are presented. Consequently, aforementioned simulation results show that gain and bandwidth of the proposed antenna are improved by 114% and 116%, respectively. The meta-material and constructed antenna, the antenna's radiation pattern and return loss are operationally measured with and without the presence of a superstrate. Subsequently, the measurement results are properly compatible with simulations results; however, due to lack of standard SMA connectors that exist on the market, and also losses from wires and probes and also losses resulting from the measurement device, there are some differences between simulation results and the measurement (resonance frequency and return loss amplitude)

Keywords

References

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Applied Electromagnetics
Volume 3, Issue 3 - Serial Number 3
November 2015
Pages 39-44

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History

  • Receive Date: 18 July 2016
  • Revise Date: 06 March 2019
  • Accept Date: 19 September 2018

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