Results 81 to 90 of about 38,046,255 (222)
Random beamforming OFDMA for future generation cellular communication systems [PDF]
, 2007 This paper presents a downlink performance analysis of a Layered Random Beamforming (LRB) - MIMO-OFDMA Physical Layer (PHY) as applicable to future generation wireless communication systems.
Joe McGeehan +9 more
core +1 more source
CMA and soft decision-directed scheme for semi-blind beamforming of QAM systems
, 2008 We propose a semi-blind adaptive beamforming approach for wireless systems that employ high-throughput quadrature amplitude modulation signalling schemes.
W. Yao +5 more
core +2 more sources
Advanced Electronic Materials, Volume 12, Issue 20, 26 October 2026.A physics‐guided generative surrogate framework is developed for programmable metasurface beamforming. Mode‐conditioned binary state generation, aperture‐physics prediction, routed residual correction, NSGA‐II optimization, and CST validation are combined to support fast candidate screening and full‐wave beam refinement across single‐beam, dual‐beam ...
Wenqian Liu +4 more
wiley +1 more source
Advanced Digital Beamforming Architectures and Operation Modes for and Enhanced SIGNAL Mission Concept [PDF]
, 2012 Recently, a team of scientist lead by the German Aerospace Center (DLR) have proposed a Ka-band single-pass interferometric mission concept named SIGNAL (SAR for Ice, Glacier aNd globAL Dynamics). SIGNAL main goal is to estimate accurately and repeatedly
López-Dekker, Paco +4 more
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Smart Antenna UKM Testbed for Digital Beamforming System
EURASIP Journal on Advances in Signal Processing, 2009 A new design of smart antenna testbed developed at UKM for digital beamforming purpose is proposed. The smart antenna UKM testbed developed based on modular design employing two novel designs of L-probe fed inverted hybrid E-H (LIEH) array antenna and ...
doaj +1 more source
Complex-valued symmetric radial basis function network for beamforming
, 2009 The complex-valued radial basis function (RBF) network proposed by Chen et al. (1994) has found many applications for processing complex-valued signals, in particular, for communication channel equalization and signal detection.
Sheng Chen, Chen, Sheng
core +1 more source
Robust Hybrid Beamforming in Millimeter Wave Relay Networks With Imperfect CSI
IEEE Access, 2018 Millimeter-wave (mmWave) communication offers rich spectrum resources and acts as a key enabling technology for future wireless communication systems. Hybrid (digital and analog) beamforming and relay techniques are important for mmWave implementations ...
Zhen Luo +3 more
doaj +1 more source
International Journal of Digital Multimedia Broadcasting, 2020 Multiple-input multiple-output (MIMO) antenna scheme is an effective technique for future terrestrial broadcasting systems such as digital video broadcasting-next-generation handheld (DVB-NGH) to overcome the limits on information theory of traditional ...
Huu Trung Nguyen +2 more
doaj +1 more source
Adaptive beamforming assisted receiver
, 2007 Adaptive beamforming is capable of separating user signals transmitted on the same carrier frequency, and thus provides a practical means of supporting multiusers in a space-division multiple-access scenario.
Sheng Chen, Chen, Sheng
core
History of acoustic beamforming [PDF]
, 2006 The development of the beamforming method (also called microphone antenna, phased array of microphones, acoustic telescope, or acoustic camera) is reviewed in this paper.
Michel, U., Ulf Michel
core