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The Scientific World Journal
Volume 2014 (2014), Article ID 528489, 8 pages
Research Article

A Compact 5.5 GHz Band-Rejected UWB Antenna Using Complementary Split Ring Resonators

1Space Science Centre (ANGKASA), Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
2Department of Electrical, Electronic and Systems Engineering, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia

Received 5 March 2014; Accepted 28 April 2014; Published 22 May 2014

Academic Editor: Jaume Anguera

Copyright © 2014 M. M. Islam et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A band-removal property employing microwave frequencies using complementary split ring resonators (CSRRs) is applied to design a compact UWB antenna wishing for the rejection of some frequency band, which is meanwhile exercised by the existing wireless applications. The reported antenna comprises optimization of a circular radiating patch, in which slotted complementary SRRs are implanted. It is printed on low dielectric FR4 substrate material fed by a partial ground plane and a microstrip line. Validated results exhibit that the reported antenna shows a wide bandwidth covering from 3.45 to more than 12 GHz, with a compact dimension of 22 × 26 mm2, and VSWR < 2, observing band elimination of 5.5 GHz WLAN band.