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Progress In Electromagnetics Research Letters
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DESIGN OF COMPACT ASYMMETRIC COPLANAR STRIP-FED UWB ANTENNA WITH DUAL BAND-NOTCHED CHARACTERISTICS

By L. Chen, Y.-F. Liu, and P.-C. Wu

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Abstract:
In this paper, a new design of asymmetric coplanar strip (ACS)-fed UWB planar monopole antenna with dual band-notched characteristics is presented and investigated. The proposed antenna is composed of an asymmetric ground plane, a semi-circular radiator, together with two open-ended half wavelength bow-shaped slots etched on the radiation patch. This leads to the desired dual notched bands of 3.12-3.69 GHz for WiMAX and 5.51-6.01 GHz for WLAN. Experimental results show that the designed antenna, with compact size of 29.5×12 mm2, has stable and omnidirectional radiation pattern, sharp reduction in gain and group delay at notched frequencies. The very simple feeding structure and compact uniplanar design make it easy to be integrated within the portable device for UWB communication systems.

Citation:
L. Chen, Y.-F. Liu, and P.-C. Wu, "Design of Compact Asymmetric Coplanar Strip-Fed UWB Antenna with Dual Band-Notched Characteristics," Progress In Electromagnetics Research Letters, Vol. 47, 103-109, 2014.
doi:10.2528/PIERL14062204

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