Quasi-optical multi-beam antenna technologies for B5G and 6G mmWave and THz networks: A review

YJ Guo, M Ansari, RW Ziolkowski… - IEEE Open Journal of …, 2021 - ieeexplore.ieee.org
Multi-beam antennas are critical components in future terrestrial and non-terrestrial wireless
communications networks. The multiple beams produced by these antennas will enable …

Circuit type multiple beamforming networks for antenna arrays in 5G and 6G terrestrial and non-terrestrial networks

YJ Guo, M Ansari, NJG Fonseca - IEEE Journal of Microwaves, 2021 - ieeexplore.ieee.org
To support the ever-increasing demand on connectivity and datarates, multiple beam
antennas are identified as a critical technology for the fifth generation (5G), the sixth …

Double-layer geodesic and gradient-index lenses

Q Chen, SAR Horsley, NJG Fonseca, T Tyc… - Nature …, 2022 - nature.com
A double-layer lens consists of a first gradient-index/geodesic profile in an upper
waveguide, partially surrounded by a mirror that reflects the wave into a lower guide where …

Two-dimensional beam steering using a stacked modulated geodesic Luneburg lens array antenna for 5G and beyond

P Castillo-Tapia, O Zetterstrom… - … on Antennas and …, 2022 - ieeexplore.ieee.org
Antennas for future communication systems are required to be highly directive and steerable
to compensate for the high path loss in the millimeter-wave band. In this work, we propose a …

Geodesic lens antennas for 5G and beyond

O Quevedo-Teruel, Q Liao, Q Chen… - IEEE …, 2022 - ieeexplore.ieee.org
This article summarizes the recently discovered opportunities of geodesic lenses for
producing high-performing antennas for 5G/6G communications. First, we explain the …

Ray-tracing model for generalized geodesic-lens multiple-beam antennas

Q Liao, NJG Fonseca, M Camacho… - … on Antennas and …, 2023 - ieeexplore.ieee.org
geodesic-lenses are a compelling alternative to traditional planar dielectric lens antennas,
as they are low loss and can be manufactured with a simple mechanical design. However, a …

Cost-effective wideband dielectric planar lens antenna for millimeter wave applications

JM Poyanco, F Pizarro, E Rajo-Iglesias - Scientific Reports, 2022 - nature.com
This article presents a fully 3D-printed dielectric planar lens operating in the entire Ka-band
manufactured using additive manufacturing and a relatively low-cost 3D-printer. The lens …

Conformal parallel plate waveguide polarizer integrated in a geodesic lens antenna

FV Vidarsson, O Zetterstrom… - … on Antennas and …, 2022 - ieeexplore.ieee.org
Here, we propose a low-profile polarizing technique integrated in a parallel plate waveguide
(PPW) configuration, compatible with fully metallic geodesic lens antennas. The geodesic …

A review of 3D printed gradient refractive index lens antennas

I Munina, I Grigoriev, G O'donnell, D Trimble - IEEE Access, 2023 - ieeexplore.ieee.org
Gradient index lens antennas find their application in modern wireless communication
including radar systems, satellite communication, etc. They can ensure highly directional …

Near-field focusing multibeam geodesic lens antenna for stable aggregate gain in far-field

O Orgeira, G León, NJG Fonseca… - … on Antennas and …, 2022 - ieeexplore.ieee.org
The millimeter-wave band is a very attractive frequency band for the new generations of
mobile cellular networks, ie 5G and 6G, due to its potential to support extremely high data …