Reconfigurable transmitarrays at Ka-Band with beam-forming and polarization agility - CEA - Commissariat à l’énergie atomique et aux énergies alternatives Accéder directement au contenu
Communication Dans Un Congrès Année : 2023

Reconfigurable transmitarrays at Ka-Band with beam-forming and polarization agility

Résumé

This paper presents transmitarray-based antenna solutions for SATCOM transmit (Tx) user terminals at Ka-band. We propose a new electronically-reconfigurable unit-cell structure which combines a 2-bit phase control with circular polarization agility. Six p-i-n diodes are integrated into the proposed unit cell implemented by stacking two halfwavelength periodic structures: a reconfigurable phase-shift module and a switchable linear-to-circular polarization converter. The two structures, developed on a standard PCB stack-up, are separated by an optimized air gap. A 576-element square transmitarray with 3456 integrated p-i-n diodes has been designed, optimized, and fabricated. To enhance the advantages of this innovative architecture, its performance is compared to the one of our previous transmitarray demonstration based on a random sequential combination of 576 vertically- and horizontally-polarized 2-bit reconfigurable unit-cells. To the best of our knowledge, this represents the first demonstration of transmitarray with two stacked reconfigurable functionalities.
Fichier principal
Vignette du fichier
1570858141 paper.pdf (1.21 Mo) Télécharger le fichier
Origine Fichiers produits par l'(les) auteur(s)

Dates et versions

cea-04143873 , version 1 (27-02-2023)
cea-04143873 , version 2 (28-06-2023)

Identifiants

Citer

Antonio Clemente, Reda Madi, Francesco Foglia Manzillo, Maciej Smierzchalski, Jacques Reverdy, et al.. Reconfigurable transmitarrays at Ka-Band with beam-forming and polarization agility. EuCAP 2023 - European Conference of Antennas and Propagation, Mar 2023, Florence, Italy. ⟨10.23919/EuCAP57121.2023.10133517⟩. ⟨cea-04143873v2⟩
67 Consultations
208 Téléchargements

Altmetric

Partager

Gmail Mastodon Facebook X LinkedIn More