Results 91 to 100 of about 54,475 (182)
All‐Optical Dual‐Angle Diffractive Neural Networks for 2D Direction‐of‐Arrival Estimation
Nanophotonics, Volume 15, Issue 20, 27 October 2026.A diffractive neural network with an integrated spatial encoder resolves the direction of an incoming terahertz signal entirely through optical propagation. After the signal passes through the cross‐shaped input and two 3D‐printed diffractive layers, two detector arrays read its two incident angles simultaneously.
Chenjie Xiong +8 more
wiley +1 more source
SensorsThe directional antenna combined with beamforming is one of the attractive solutions to accommodate high data rate applications in 5G vehicle communications.
Jihun Lee, Hun Kim, Jaewoo So
doaj +1 more source
A novel deconvolution beamforming algorithm for virtual phased arrays [PDF]
, 2013 Beamforming techniques using phased microphone arrays are one of the most common tools for localizing and quantifying noise sources. However, the use of such devices can result in a series of well-known disadvantages regarding, for instance, their very ...
Fernandez Comesana, Daniel +3 more
core +1 more source
Digital Beamforming on Receive: Techniques and Optimization Strategies for High-Resolution Wide-Swath SAR Imaging [PDF]
, 2009 Synthetic Aperture Radar (SAR) is a well-proven imaging technique for remote sensing of the earth. However, conventional SAR systems are not capable to fulfill the increasing demands for im-proved spatial resolution and wider swath coverage.
Alberto Moreira +5 more
core +1 more source
Analysis of Simulated and Measured Indoor Channels for mm-Wave Beamforming Applications
International Journal of Antennas and Propagation, 2018 Ray tracing- (RT-) assisted beamforming, where beams are directly steered to dominant paths tracked by ray tracing simulations, is a promising beamforming strategy, since it avoids the time-consuming exhaustive beam searching adopted in conventional beam
Anders Karstensen +4 more
doaj +1 more source
Numerically Optimized Fourier Transform-Based Beamforming Accelerated by Neural Networks
Applied SciencesConventional beamforming methods for reconfigurable reflector antennas assume full control over the amplitude and phase of the reflected field. Here, we develop a novel beamforming methodology for reflecting Programmable Metasurfaces (PMS) with ...
Keivan Kaboutari +2 more
doaj +1 more source
IEEE AccessTo rapidly deploy large capacity wireless communication services using high frequency bands, a system is being considered that use radio-over-fiber (RoF) technology to separate the wireless base station function into a central station (CS) with signal ...
Mizuki Suga +5 more
doaj +1 more source
A Robust Nonlinear Beamforming Assisted Receiver for BPSK Signalling
, 2005 Nonlinear beamforming designed for wireless communications is investigated. We derive the optimal nonlinear beamforming assisted receiver designed for binary phase shift keying (BPSK) signalling.
Wolfgang, A., Hanzo, L., Chen, S.
core +1 more source
Multi-mode single sideband time modulation harmonic adaptive beamforming
Zhongguo Jianchuan YanjiuObjectiveThis study proposes an innovative beamforming method to achieve high-efficiency harmonic adaptive beamforming through multi-mode single sideband time modulation technology.MethodA multi-mode single sideband time modulation module containing ...
Tao YANG +6 more
doaj +1 more source
Time Modulated Arrays Beamforming for Non-Terrestrial Network User Terminal
IEEE Open Journal of the Communications SocietyThough beamforming is the fundamental element of satellite communication, it incurs costs, complexity, and power consumption. In this paper, we study a Time-Modulated Array (TMA) beamforming design on the Non-Terrestrial Network (NTN) User Terminal (UT ...
Gebrehiwet Gebrekrstos Lema +3 more
doaj +1 more source