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A CPW-fed staircase monopole UWB antenna with band-notched frequency in the WLAN band

✍ Scribed by Sang Joong Kim; Hyoung Sik Lee; Young-Sik Kim

Publisher: John Wiley and Sons
Year: 2007
Tongue: English
Weight: 314 KB
Volume: 49
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.22775

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✦ Synopsis

Abstract

A coplanar waveguide (CPW)‐fed ultra‐wideband staircase monopole antenna with a frequency‐notch characteristic is presented. The proposed antenna consists of a planar four‐step staircase rectangular monopole with a ground short‐circuited stub, open stubs at the ground part, and two‐step impedance transformer at the CPW‐fed line. The impedance bandwidth is increased due to an offset feeding technique and one‐side ground notch. The notched frequency band can be accomplished by means of the method that involves adding open stubs at the ground. The measured results are in good agreement with the simulated ones. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 2545–2547, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22775

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