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Title: Simultaneous gain and bandwidths enhancement of a single-feed circularly polarized Microstrip patch antenna using a metama-Terial reflective surface
Authors: Chaimool, S
Chung, KL
Akkaraekthalin, P
Issue Date: 2010
Publisher: Electromagnetics Academy
Source: Progress in electromagnetics research B. Pier B, 2010 , no. 22, p. 23-37 How to cite?
Journal: Progress in electromagnetics research B. Pier B 
Abstract: This paper proposes a metamaterial reflective surface (MRS) as a superstrate for a single-feed circularly polarized microstrip patch antenna (SFCP-MPA). It illustrates a simultaneous enhancement on antenna gain, impedance bandwidth (ZBW) and axial-ratio bandwidth (ARBW) by adding the MRS atop the SFCP-MPA. The MRS can enhance the ZBW and ARBW by 3.5 and 9.9 times, respectively, compared to the circularly polarized patch source. Moreover, the gain of the CP-MPA with the MRS is 7 dB higher than that of the conventional CP-MPA. The small spacing between the MRS and patch source is another merit in the present design, which is as low as λ/16, as it results in a low-profile antenna design that well suits modern wireless communications.
ISSN: 1937-6472
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