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Compact dielectric‐resonator‐on‐patch antenna with bandwidth enhancement
Author(s) -
Gao Yang,
Feng Zhenghe,
Zhang Li
Publication year - 2012
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.26481
Subject(s) - dielectric resonator antenna , bandwidth (computing) , patch antenna , microstrip antenna , return loss , microwave , wideband , resonator , dielectric , dielectric resonator , materials science , electrical engineering , acoustics , optoelectronics , physics , electronic engineering , engineering , antenna (radio) , telecommunications
A method to further broaden the bandwidth of compact dielectric‐resonator‐on‐patch antennas, using an E‐shaped patch is presented. Without enlarging the volume or area of the antenna, the experimental antenna demonstrates a 10 dB return loss bandwidth of 4.38–7.96 GHz (58%), wider than the formally obtained 4.7–7 GHz (39.3%). The wideband mechanism is explored by investigating the behavior of the currents on the patch and the electric field distributed in the near field. To show the validity of the design concept, a prototype is fabricated and tested. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:66–71, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26481