Circular polarization-agile and beam switching enabled reconfigurable cavity-backed antenna

In this paper, a circular polarization-agile and beam switching enabled reconfigurable cavity-backed antenna having the ability to steer its radiation beam in different directions is presented. The antenna consists of two E-shaped driven patches, a tunable phase shifter integrated with PIN diodes fo...

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Bibliographic Details
Published in:International journal of electronics and communications 2023-06, Vol.165, p.154664, Article 154664
Main Authors: Singh, Akanksha, Dubey, Rahul, Ajitesh, Kumar Srivastava, Saurabh, Kumar Meshram, Manoj
Format: Article
Language:English
Subjects:
Beam switching
Cavity backed antenna
E-shape microstrip patch antenna
Polarization and pattern reconfigurable antenna
Reconfigurable antenna
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Summary:In this paper, a circular polarization-agile and beam switching enabled reconfigurable cavity-backed antenna having the ability to steer its radiation beam in different directions is presented. The antenna consists of two E-shaped driven patches, a tunable phase shifter integrated with PIN diodes for pattern switching and four switchable feeding probes for implementing polarization agility. The proposed antenna can simultaneously change its polarization and pattern. Beam switching and polarization agility are independently controlled by altering the OFF-ON states of diodes loaded on the feed network and switchable feeding probes. For validity of the proposed concept, the antenna prototype is fabricated and tested. The proposed antenna has measured impedance bandwidth (S11 
ISSN:1434-8411
1618-0399
DOI:10.1016/j.aeue.2023.154664