A Composite Heterostructure Mesh-shaped Patch Antenna Based on Left Handed Material | Zendy

Ji jun Wang | Zendy; Zhi pan Zhu | Zendy

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A Composite Heterostructure Mesh-shaped Patch Antenna Based on Left Handed Material

Author(s) -

Ji jun Wang,

Zhi pan Zhu

Publication year - 2014

Publication title -

international journal of wireless and microwave technologies

Language(s) - English

Resource type - Journals

eISSN - 2076-9539

pISSN - 2076-1449

DOI - 10.5815/ijwmt.2014.01.02

Subject(s) - composite number , patch antenna , finite difference time domain method , materials science , return loss , permittivity , antenna (radio) , microstrip antenna , acoustics , composite material , optoelectronics , optics , engineering , electrical engineering , physics , dielectric

In this paper, a composite heterostructure mesh-shaped patch antenna based on left handed material (LHM) is presented. The method of finite difference time domain (FDTD) is used. The results show that electromagnetic wave resonance occurs near 4.52 GHz, where the equivalent permittivity and permeability of composite material are both negative. The composite antenna’s gain improves 9.047 dB, its return loss reduces 20.26 dB compared to the conventional antenna’s ones. The results indicate that this composite patch antenna system can reduce return loss of the antenna and increase the gain obviously.

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