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Notched CPW-fed pentagonal monopole antenna for dual wideband operation

✍ Scribed by Wen-Chung Liu; Chao-Ming Wu; Shih-Hsiung Chung; Jieh-La Jaw

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
516 KB
Volume
50
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

A coplanar waveguide (CPW)‐fed pentagonal monopole antenna with embedded notches for both the pentagonal radiating patch and the ground planes to obtain good dual and wide impedance matching performance is proposed. The effects of embedded notches are analyzed and the prototype of optimized design has been constructed and measured. The proposed design, with size of 28.5 × 28.5 mm^2^, leads to good dual wideband operation with −10 dB impedance bandwidths of 380 MHz and 4.58 GHz centered at 2.21 and 5.78 GHz, respectively. A stable radiation pattern of monopole‐like type and average gains of greater than 2.1 and 4.2 dBi, respectively, over the two operating bands have also been obtained. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 3104–3108, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23889

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