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Small printed CPW‐fed triangular monopole antenna for ultra‐wideband applications
Author(s) -
Choi Sung Tae,
Hamaguchi Kiyoshi,
Kohno Ryuji
Publication year - 2009
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.24278
Subject(s) - coplanar waveguide , monopole antenna , microwave , return loss , radiation pattern , wideband , bandwidth (computing) , ultra wideband , physics , antenna (radio) , electrical engineering , optics , engineering , telecommunications
A novel small size coplanar waveguide (CPW)‐fed monopole antenna with wide bandwidth and small group delay variation is proposed for ultra‐wideband (UWB) applications. It consists of a triangular patch with a pair of wide stubs on the lower sides thereof and linearly tapered coplanar ground planes. The measured return loss of the fabricated antenna is better than −10 dB from 2.9 to 13.2 GHz. The radiation pattern is nearly omni‐directional and the variation of the measured group delay between two proposed antennas is less than 0.94 ns over the entire UWB band. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 1180–1182, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24278