Dual-Polarized Shaped-Beam Transmitarray to Obtain a Multizone Coverage for 5G Indoor Communications

A dual-polarized transmitarray antenna is proposed to generate a multizone coverage at 28 GHz for fifth-generation (5G) indoor communications. The transmitarray radiates a constant power density within its near-field region over a specific area generating different spots in dual polarization. The di...

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Bibliographic Details
Published in:IEEE antennas and wireless propagation letters 2022-04, Vol.21 (4), p.730-734
Main Authors: Vaquero, Alvaro F., Pino, Marcos R., Arrebola, Manuel
Format: Article
Language:English
Subjects:
5G mobile communication
Density measurement
Dielectric transmitarray
Dual polarization (waves)
Feeds
Femtocells
fifth-generation (5G)
Horn antennas
near-field coverage
phase-only synthesis (POS)
Power system measurements
Transmitting antennas
Wireless communication
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Summary:A dual-polarized transmitarray antenna is proposed to generate a multizone coverage at 28 GHz for fifth-generation (5G) indoor communications. The transmitarray radiates a constant power density within its near-field region over a specific area generating different spots in dual polarization. The different spots are produced by feeding the transmitarray with a cluster of horn antennas, which are spatially distributed to obtain beams in different directions. The performance of the coverage is improved with a phase-only synthesis of the transmission coefficients. The transmitarray is designed with dielectric-only elements, which provides a low-cost solution. The prototype is measured in a planar acquisition range, showing a high agreement with simulations. The proposed transmitarray together with the spatial feed distribution provides a potential alternative to generate multizone coverages in millimeter frequencies.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2022.3144365