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Coplanar-Waveguide Fed Circular Disc Monopole Antenna with Improved Radiation Characteristics

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2 Author(s)
Nan-Wei Chen ; Dept. of Electr. Eng., Nat. Central Univ., Jhongli ; Yi-Chung Liang

A planar, circular disc monopole antenna (PCDMA) with improved radiation characteristics is presented. The proposed ultra-broadband PCDMA is fed by the coplanar waveguide (CPW) structure. The improvement of the radiation characteristics, particularly at the frequencies around the higher band edge, is achieved by exploiting a tapered and periodically corrugated edge design to the CPW ground plane. The demonstrated CPW-fed PCDMA features an over 150 % VSWR=2 fractional bandwidth and satisfactory radiation characteristics over the entire band (0.89-5.9 GHz). The proposed PCDMA is expected to find applications in wideband/ultra-wideband communication systems.

Published in:

Antennas and Propagation, 2007. EuCAP 2007. The Second European Conference on

Date of Conference:

11-16 Nov. 2007