Low‐profile wideband unidirectional patch antenna with improved feed structure | Zendy

He Kai | Zendy; Gong Shuxi | Zendy; Gao Feng | Zendy

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Low‐profile wideband unidirectional patch antenna with improved feed structure

Author(s) -

He Kai,

Gong Shuxi,

Gao Feng

Publication year - 2015

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

eISSN - 1350-911X

pISSN - 0013-5194

DOI - 10.1049/el.2014.4309

Subject(s) - wideband , patch antenna , radiation pattern , ranging , bandwidth (computing) , microstrip antenna , optics , radiation , antenna (radio) , materials science , antenna measurement , antenna efficiency , electrical impedance , acoustics , physics , electrical engineering , engineering , telecommunications

A low‐profile wideband unidirectional patch antenna excited by a tapered staircase‐shaped feed strip with a tuning patch is presented. A prototype with a height of 17 mm (0.156 λ ) was studied. The results show that an impedance bandwidth of 86.2% for | S 11| < − 10 dB from 1.57 to 3.95 GHz was achieved. Stable and symmetric unidirectional radiation patterns, a low cross‐polarisation level, low back radiation and an antenna gain ranging from 6.2 to 9.7 dBi was obtained over the operating band.

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