Gain Enhancement of Microstrip Patch Antenna using Low Loss Negative Refractive Index Metamaterial Superstrate

Authors

  • C.H. Ng Faculty of Science, Technology, Engineering and Mathematics, INTI International University
  • K.K.A. Devi Faculty of Science, Technology, Engineering and Mathematics, INTI International University
  • C.K. Chakrabarty Centre for RF and Microwave Engineering College of Engineering Universiti Tenaga Nasional Putrajaya Campus, Kajang-43000, Malaysia
  • Norashidah Md. Din Centre for RF and Microwave Engineering College of Engineering Universiti Tenaga Nasional Putrajaya Campus, Kajang-43000, Malaysia
  • C.F. Kwong Department of Electrical and Electronic Engineering, University of Nottingham Ningbo Campus, China

Keywords:

C-Shaped Patch Antenna, Gain, Nested Split Ring Resonator, Negative Refractive Index, Radio Frequency Harvesting System,

Abstract

A novel microstrip patch antenna (MPA) based on planar negative refractive-index metamaterial is proposed. It is demonstrated that the proposed nested split ring resonator (SRR) structure metamaterial yields an effective refractive index that equal to negative value over the frequency range of 770 MHz to 1070 MHz The negative refractive index structure is applied as a superstrate to a C-shaped microstrip patch antenna. The simulation results show that the gain is effectively improved by 2.64 dB (119 %) after the incorporation of negative refractive index metamaterial superstrate. The results illustrated that the gain of the proposed antenna is enhanced over the desired frequency band 935 MHz to 960 MHz. The air gap between the antenna and superstrate was also studied by applying the theory of Fabry-Perot (F-P) resonant cavity to obtain the optimum air gap of 55 mm to achieve the maximum gain.

References

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Published

2017-03-15

How to Cite

Ng, C., Devi, K., Chakrabarty, C., Md. Din, N., & Kwong, C. (2017). Gain Enhancement of Microstrip Patch Antenna using Low Loss Negative Refractive Index Metamaterial Superstrate. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), 9(1-4), 95–99. Retrieved from https://jtec.utem.edu.my/jtec/article/view/1787

Issue

Vol. 9 No. 1-4: Smart City Technology in Communication and Computer Engineering II

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Articles

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