Folded shorted patch antenna with an offset feeding probe | Zendy

Wong S. H. | Zendy; Lau K. L. | Zendy; Luk K. M. | Zendy

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Folded shorted patch antenna with an offset feeding probe

Author(s) -

Wong S. H.,

Lau K. L.,

Luk K. M.

Publication year - 2008

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.23579

Subject(s) - patch antenna , ground plane , electrical engineering , microstrip antenna , acoustics , wideband , coaxial antenna , offset (computer science) , bandwidth (computing) , physics , engineering , antenna (radio) , telecommunications , computer science , programming language

This article presents the design and performance of a wideband folded shorted patch antenna. The proposed antenna consists of a folded trapezoidal patch that is shorted to the ground plane and is fed by a coaxial probe. By offsetting the probe feeding position from the midline of the patch, wide impedance bandwidth of 56.1% (1.59–2.83 GHz) is obtained for SWR < 2, which is nearly two times that of the antenna without offsetting the probe. The patch of this antenna is 0.071λ 0 in height and 0.35λ 0 in length, where λ 0 is the free space wavelength at the center frequency of its operating bandwidth. Therefore, this antenna is suitable for the multiband indoor wireless communication systems nowadays. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 2114–2117, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23579

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