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Broadband Direct Coupled Stacked Microstrip Antenna for TVWS Band
Journal
2021 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, APS/URSI 2021 - Proceedings
Date Issued
2021-01-01
Author(s)
Rajbala,
Bindu, K. K.
Abstract
A stacked MSA is proposed with a direct-coupled feed to achieve broadband frequency response at the TVWS band. To make the antenna compact, H-shaped patches are used at the top layer. To increase gain and front-to-back ratio a cavity is formed by folding the ground plane. The antenna is designed using an Aluminium sheet resulting in a low-cost solution with high power handling capability. The proposed antenna having size 0.91_0× 0.52_0 × 0.19_0 provides 26.3% bandwidth, 9.8 dBi peak gain, better than 19 dB front-to-back ratio, low cross-pols, and a better figure of merit.
Subjects