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Optical multi-beam steering and communication using integrated acousto-optics arrays [PDF]

open access: yesNature Communications
Optical beam steering enables optical sensing, imaging, and long-range communication over free space. Despite the inherent speed of light, advanced applications increasingly require simultaneous steering of multiple, independently controlled beams, to ...
Qixuan Lin   +6 more
doaj   +2 more sources

Semi-Coprime Array with Staggered Beam-Steering of Sub-Arrays [PDF]

open access: yesSensors, 2023
A split-aperture array (SAA) is an array of sensors or antenna elements in which the array is split into two or more sub-arrays (SAs). Recently proposed SAAs, namely coprime and semi-coprime arrays, offer to attain a small half-power beamwidth (HPBW ...
Waseem Khan   +6 more
doaj   +2 more sources

Non-Mechanical Beam Steering with Polarization Gratings: A Review

open access: yesCrystals, 2021
Polarization gratings (PGs) enable a novel architecture for dynamic non-mechanical steering of light over large angles and with large clear apertures. This beam steering approach has many applications in active sensing and optical communications. In this
Christopher Hoy   +5 more
doaj   +3 more sources

On the Implementation of a Compact Vertical DC Biasing Network with Significantly Reduced RF Components for Phase-Shifter-Free Beam Steering [PDF]

open access: yesSensors
Dense direct-current (DC) bias routing and numerous radio-frequency (RF) choke inductors pose major challenges to the practical implementation of phase-shifter-free beam steering using PIN-controlled phase switching.
Shuxin Zheng   +3 more
doaj   +2 more sources

Smart Gateway for Healthcare Networks Based on Beam Steering Technology [PDF]

open access: yesSensors, 2023
To ensure high-reliability communication in healthcare networks, this paper presents a smart gateway system that includes an angle-of-arrival (AOA) estimation and a beam steering function for a small circular antenna array.
Kazuhiro Honda   +2 more
doaj   +2 more sources

Dual-Band Passive Beam Steering Antenna Technologies for Satellite Communication and Modern Wireless Systems: A Review [PDF]

open access: yesSensors
Efficient beam steerable high-gain antennas enable high-speed data rates over long-distance networks, including wireless backhaul, satellite communications (SATCOM), and SATCOM On-the-Move.
Maira I. Nabeel   +4 more
doaj   +2 more sources

Multi-Beam Steering for 6G Communications Based on Graphene Metasurfaces

open access: yesSensors, 2021
As communication technology is entering the 6G era, a great demand for high-performance devices operating in the terahertz (THz) band has emerged. As an important part of 6G technology, indoor communication requires multi-beam steering and tracking to ...
Huifang Ai   +4 more
doaj   +3 more sources

A 4 × 4 Active Antenna Array with Adjustable Beam Steering [PDF]

open access: yesSensors, 2023
An adjustable 4×4 antenna array with electrical beam steering and polarization control is presented. Here, adjustability means the ability to correct the beam steering angle post-calibration.
Sebastian Verho   +2 more
doaj   +2 more sources

Beam steering experiments through an optical phased array with wavelength tuning [PDF]

open access: yesEPJ Web of Conferences, 2023
In this paper, we have demonstrated the beam steering experiments with the help of our optical phased array devices. The lateral beam steering has been showed successfully with the wavelength through the tunable laser source.
Muntaha Sidra Tul   +5 more
doaj   +1 more source

Hybrid Parasitic Linear Array Antenna for Fine Beamsteering Applications

open access: yesIEEE Access, 2021
This paper presents an antenna that utilizes two beam steering techniques in concert in order to improve the antenna gain and steering resolution. Phased array steering is employed to achieve coarse resolution beam steering while parasitic steering is ...
Iyemeh E. Uchendu   +3 more
doaj   +1 more source

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