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Broadband dual-frequency meandered CPW-fed monopole antenna

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1 Author(s)
Liu, W.-C. ; Dept. of Aeronaut. Eng., Huwei Univ. of Sci. & Technol., Yunlin, Taiwan

A coplanar waveguide meandered feedline is introduced to obtain a broadband dual-frequency operation of a planar monopole antenna. The modified feeding technology can lead to good impedance matching in a wide dual-band covering 2.4/5.2 GHz WLAN operations. A prototype of the proposed antenna has been constructed and tested. Good radiation characteristics of monopole-like patterns, 23.3 and 29.5% bandwidths, and 2.41 and 4.21 dBi peak antenna gains for the lower and upper bands, respectively, have been obtained.

Published in:

Electronics Letters  (Volume:40 ,  Issue: 21 )