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Strip‐loaded CPW‐fed pentagonal antenna for GPS/WiMAX/WLAN applications
Author(s) -
Liu WenChung,
Song ChauChung,
Chung ShihHsiung,
Jaw JiehLa
Publication year - 2009
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.23979
Subject(s) - wimax , antenna (radio) , microwave , monopole antenna , radiation pattern , electrical engineering , coplanar waveguide , electronic engineering , engineering , materials science , wireless , telecommunications
Design of a CPW‐fed monopole antenna for multinetwork application is presented. The radiation mechanism of such an antenna has been investigated, based on a moment‐method numerical analysis and experimental measurement. The antenna with a pentagonal patch and an inverted U‐shaped strip is fed by a CPW structure and can excite multiresonance modes, which therefore provide dual continuous frequency bands, to cover the GPS L1 band, 3.5/5.5 GHz WiMAX bands, and 5.2/5.8 GHz WLAN bands. The effects of the pentagonal patch with different added loads are analyzed and the prototype of optimized design has been constructed and measured. The measured results explore good radiation characteristics including monopole‐like patterns, good impedance matching, and high‐peak antenna gains for operating over the two frequency ranges. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 48–52, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23979

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