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Design of patch antenna with polarization control module to achieve broad 3‐dB gain bandwidth over entire AR range
Author(s) -
Jang Doyoung,
Yoo Sungjun,
Choo Hosung
Publication year - 2020
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.32360
Subject(s) - broadband , bandwidth (computing) , antenna gain , patch antenna , high gain antenna , microstrip antenna , computer science , electronic engineering , physics , materials science , optics , antenna factor , engineering , telecommunications , antenna (radio)
This article proposes a novel patch antenna using a polarization control module to achieve a broad matching bandwidth and broad 3‐dB gain bandwidth over the entire axial ratio (AR) range. The proposed antenna consists of a shorted radiating patch, an L‐shaped indirect feed, and a polarization control module that can adjust AR properties over the entire AR range (−1 < AR < 1) with a broad 3‐dB gain bandwidth for use in various practical applications. The measured results demonstrate that the proposed antenna can adjust the polarization properties with a broadband matching bandwidth of more than 27% (370 MHz) and a broad 3‐dB gain bandwidth greater than 26% (351 MHz) over the entire AR range.
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