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A novel compact CPW‐fed planar monopole antenna with modified stair‐style ground for ultra‐wideband applications
Author(s) -
Yang Y.B.,
Zhang F.S.,
Zhang F.,
Zhang L.,
Jiao Y.C.
Publication year - 2010
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.25378
Subject(s) - monopole antenna , radiation pattern , dipole antenna , coaxial antenna , omnidirectional antenna , antenna measurement , antenna (radio) , optoelectronics , optics , electrical engineering , physics , engineering
In this article, a simple and compact CPW‐fed planar monopole antenna for ultra‐wideband applications is presented and investigated.The proposed antenna with a small size of 26 mm × 26 mm × 1 mm is composed of a gourd‐like radiation element fed by a CPW feed line, and a modified stair‐style ground. The proposed antenna has been successfully designed, fabricated, and measured. The measured results show that the antenna achieves a wide impendence bandwidth from 3.1 to 15.2 GHz with return loss less than −10 dB. In addition, it exhibits a nearly omnidirectional radiation pattern, stable antenna gain, and good time‐domain characteristics across the operation band. © 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52: 2100–2104, 2010; Published online in Wiley InterScience (www.interscience. wiley.com). DOI 10.1002/mop.25378
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