Dual-band Multi-Polarization Metallic Cavity Antenna Design for Satellite Communications

Maeso, Jorge Calatayud; Barrado, Alfonso Tomas Muriel; Domínguez, Adrián Tamayo; Sánchez-Olivares, Pablo; González, José Manuel Fernández

doi:10.23919/eucap53622.2022.9769404

Cited by 1 publication

(1 citation statement)

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“…A representative prototype has been manufactured for both lens antenna concepts, using 3D printing based on stereolithography. In the case of the antenna feeders (BCA and PHA), a copper coating method [ 25 ] has been later applied to metallize the fabricated plastic modules. The validation process with electrical measurements and simulation comparatives is also presented for each one of the two antenna prototypes.…”

Section: Introductionmentioning

confidence: 99%

Beam Steering 3D Printed Dielectric Lens Antennas for Millimeter-Wave and 5G Applications

Piroutiniya,

Rasekhmanesh,

Masa-Campos

et al. 2023

Sensors

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Two types of cost-efficient antennas based on dielectric gradient index dielectric lens have been designed for 5G applications at . The first is a linearly polarized flat lens antenna (LP-FLA) for terrestrial 5G communications. The second is a novel circularly polarized stepped lens antenna (CP-SLA) for 5G satellite services. An efficient design method is presented to optimize and conform the lens topology to the radiation pattern coming from the antenna feeder. The LP-FLA is fed by a traditional linearly polarized pyramidal horn antenna (PHA). The CP-SLA is fed by an open-ended bow-tie waveguide cavity (BCA) antenna. This cavity feeder (BCA), using cross-sections with bow-tie shapes, allows having circular polarization at the desired frequency bandwidth. The two types of presented antennas have been manufactured in order to verify their performance by an easy, low-cost, three-dimensional (3D) printing technique based on stereolithography. The peak realized gain value for the flat (LP-FLA) and stepped (CP-SLA) lens antennas have been increased at to and , respectively, by disposing the lens structures at the appropriated distance from the feeders. Likewise, using an array of horns (PHA) or open-ended bow-tie waveguide cavity (BCA) antenna feeders, it is possible to obtain a maximum steering angle range of 20° and 35°, for a directivity over and , in the planar and stepped lens antennas, respectively.

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Section: Introductionmentioning

confidence: 99%