Broadband dual-frequency meandered CPW-fed monopole antenna

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© IEE
Published 28/07/2012

Abstract

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.

Inspec keywords: coplanar waveguides; microwave antennas; impedance matching; multifrequency antennas; broadband antennas; wireless LAN; UHF antennas; prototypes; antenna feeds; monopole antennas; antenna radiation patterns

Other keywords: peak antenna gains; 2.4 to 5.2 GHz; planar monopole antenna; coplanar waveguide; broadband dual-frequency; prototype; CPW fed monopole antenna; WLAN operations; impedance matching

Subjects: Radio links and equipment; Waveguides and microwave transmission lines; Single antennas; Computer communications

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