Beam‐Steering Metadevices for Intelligent Optical Wireless‐Broadcasting Communications
High‐performance beam‐steering devices play a crucial role for optical wireless communication (OWC), which can meet the demand for increasing number of wireless mobile devices and emerging high‐speed multimedia applications.
Jin Tao +14 more
doaj +2 more sources
State-of-the-Art Passive Beam-Steering Antenna Technologies: Challenges and Capabilities
This article reviews the latest developments of beam steering antennas that are entirely passive to realize interference-free, power-efficient, and highly secured end-to-end wireless communication.
Foez Ahmed +2 more
doaj +2 more sources
Terahertz Beam Steering Using a MEMS-Based Reflectarray Configured by a Genetic Algorithm
With the increase in potential uses of terahertz technology, the need for terahertz transceivers with application-oriented adaptive radiation patterns has emerged.
Xuan Liu +10 more
doaj +2 more sources
Multi-Beam Steering for 6G Communications Based on Graphene Metasurfaces
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 +2 more sources
Modulo-addition operation enables terahertz programmable metasurface for high-resolution two-dimensional beam steering. [PDF]
Electrically controlled terahertz (THz) beamforming antennas are essential for various applications such as wireless communications, security checks, and radar to improve coverage and information capacity. The emerging programmable metasurface provides a
Li W +11 more
europepmc +2 more sources
Beam steering experiments through an optical phased array with wavelength tuning [PDF]
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
6G Wireless Communications: From Far-Field Beam Steering to Near-Field Beam Focusing [PDF]
6G networks will be required to support higher data rates, improved energy efficiency, lower latency, and more diverse users compared with 5G systems. To meet these requirements, electrically extremely large-scale antenna arrays are envisioned to be key ...
Haiyang Zhang +4 more
semanticscholar +1 more source
Beam Steering Technology of Optical Phased Array Based on Silicon Photonic Integrated Chip. [PDF]
Wang J +6 more
europepmc +3 more sources
Active metasurfaces are emerging as the core of next-generation optical devices with their tunable optical responses and flat-compact topography. Especially for the terahertz band, active metasurfaces have been developed as fascinating devices for ...
Xiaolin Zhuang +9 more
semanticscholar +1 more source
Hybrid Parasitic Linear Array Antenna for Fine Beamsteering Applications
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

