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New approach in designing resonance cavity high-gain antenna using nontransparent conducting sheet as the superstrate
K DUTTA, , C KUMAR, Y M M ANTAR
Published in Institute of Electrical and Electronics Engineers Inc.
2015
Volume: 63
   
Issue: 6
Pages: 2807 - 2813
Abstract
A resonance cavity antenna (RCA) has been explored employing nontransparent solid metal sheet as superstrate which, to the best of our knowledge, is reported for the first time. The proposed configuration is much advantageous in terms of design, simplicity, structural stability, fabrication, and cost without compromising in gain, efficiency, and bandwidth. A probe-fed dielectric resonator antenna (DRA) with εr = 10 has been used as the primary radiator. Proposed RCA bearing overall size 1.1λ × 1.1λ × 0.6 λ promises for large impedance bandwidth (~23) with considerably high gain (11.8-12.2 dBi). The superstrate size is relatively compact compared to its semitransparent versions, investigated earlier. Present design has been experimentally validated indicating as much as 12 dBi peak gain with more than 96.5% efficiency. © 1963-2012 IEEE.
About the journal
JournalData powered by TypesetIEEE Transactions on Antennas and Propagation
PublisherData powered by TypesetInstitute of Electrical and Electronics Engineers Inc.
ISSN0018-926X
Open AccessNo