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- Title
A Novel Ultra-wideband Planar Antenna with Rejection of WLAN and ITU Bands.
- Authors
Subbarao, A.; Raghavan, S.
- Abstract
A novel compact coplanar waveguide-fed ultra wideband (UWB) antenna is proposed with dual band-notched characteristics. The antenna consists of novel tapered patch and is printed on FR4 substrate with compact size of 18 x 23 mm2. By inserting a novel parasitic strip in trapezoidal slot and a pair of L-shaped slots in metallic ground, dual band-notched characteristics are obtained. Parametric analysis is performed by studying the effects of geometrical parameters of antenna on various characteristics. The antenna operates from 3.1 GHz to 11.6 GHz with dual-notched bands of 5.1 GHz-6.2 GHz and 8 GHz-8.4 GHz to avoid potential interference from WLAN and ITU bands, respectively. The antenna is analyzed in both frequency and time domains. The measured results show that the antenna has stable radiation patterns, consistent gain over the entire operating band. The time domain group delay of antenna indicates good linear phase response. The main features that make the antenna suitable for UWB applications are compactness, simple configuration, and stable radiation patterns.
- Subjects
PLANAR antennas; WIRELESS LANs; INTERNATIONAL Telecommunication Union; RADIATION; GEOMETRY
- Publication
Applied Computational Electromagnetics Society Journal, 2013, Vol 28, Issue 9, p821
- ISSN
1054-4887
- Publication type
Article