Millimeter-wave low-loss multifeed superstrate-based antenna

Julio Gonzalez Marin; Affan A. Baba; Jan Hesselbarth; Raheel M. Hashmi; Karu P. Esselle

doi:10.1109/TAP.2019.2963210

Millimeter-wave low-loss multifeed superstrate-based antenna

Julio Gonzalez Marin^*, Affan A. Baba, Jan Hesselbarth, Raheel M. Hashmi, Karu P. Esselle

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

A low-loss multifeed antenna with controlled polarization and beam steering is presented. A low-profile resonant cavity antenna is fed by multiple spherical dielectric resonators (DRs), demonstrating its multifeed capabilities. Each of the DRs are themselves fed from four different sides by microstrip resonators on a planar circuit board. The beam pointing direction and polarization of the antenna are controlled by the signal phases at the respective input ports. Several antennas with varying feed topology are investigated, showing the versatility of this method. A 16-way 34 GHz prototype is built and measured, demonstrating high overall efficiency (considering power combining loss and antenna loss) of 80%.

Original language	English
Pages (from-to)	3387-3396
Number of pages	10
Journal	IEEE Transactions on Antennas and Propagation
Volume	68
Issue number	5
DOIs	https://doi.org/10.1109/TAP.2019.2963210
Publication status	Published - May 2020

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title = "Millimeter-wave low-loss multifeed superstrate-based antenna",

abstract = "A low-loss multifeed antenna with controlled polarization and beam steering is presented. A low-profile resonant cavity antenna is fed by multiple spherical dielectric resonators (DRs), demonstrating its multifeed capabilities. Each of the DRs are themselves fed from four different sides by microstrip resonators on a planar circuit board. The beam pointing direction and polarization of the antenna are controlled by the signal phases at the respective input ports. Several antennas with varying feed topology are investigated, showing the versatility of this method. A 16-way 34 GHz prototype is built and measured, demonstrating high overall efficiency (considering power combining loss and antenna loss) of 80%.",

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AU - Hashmi, Raheel M.

AU - Esselle, Karu P.

PY - 2020/5

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Millimeter-wave low-loss multifeed superstrate-based antenna

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