Results 111 to 120 of about 7,523 (232)

Multi-Task Deep Learning With Adaptive CSI Filtering for Joint Beamforming and Localization

open access: yesIEEE Access
Channel state information (CSI) has been frequently utilized as input to deep learning models for beamforming and localization tasks in millimeter-wave systems.
Mikael Ade Krisna Respati, Byung Moo Lee
doaj   +1 more source

Avaliação de erros de posicionamento de microfontes e influência da temperatura e umidade relativa na técnica de beamforming [PDF]

open access: yes, 2013
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-graduação em Engenharia Mecânica, Florianópolis, 2013Existe uma pressão contínua das pessoas e autoridades para a redução dos níveis de ruído das mais ...
Sanches, Diogo
core  

Spaceborne Reflector SAR Systems with Digital Beamforming

open access: yes, 2012
Spaceborne Synthetic Aperture Radar (SAR) imaging enters an era where increasingly short revisit times, or large swath widths, respectively, and high spatial resolutions are requested.
Patyuchenko, Anton   +4 more
core   +1 more source

FPGA-based Low Latency Inverse QRD Architecture for Adaptive Beamforming in Phased Array Radars [PDF]

open access: yesRadioengineering, 2017
The main objective of this paper is to facilitate the adaptive beamforming which is one of the most challenging task in phased array radars receivers.
R. Irfan, H. Rasheed, W. A. Toor
doaj  

Adaptive minimum error-rate filtering design: a review

open access: yes, 2008
Adaptive filtering has been an enabling technology and has found ever-increasing applications in various state-of-the-art communication systems. Traditionally, adaptive filtering has been developed based on the Wiener or minimum mean square error (MMSE ...
Sheng Chen   +7 more
core   +1 more source

Minimum symbol error rate turbo multiuser beamforming aided QAM receiver

open access: yes, 2008
This paper studies a novel iterative soft interference cancellation (SIC) aided beamforming receiver designed for high-throughput quadrature amplitude modulation systems communicating over additive white Gaussian noise channels.
Chen, Sheng, Tan, S, Hanzo, L
core  

Robust adaptive beamforming algorithm

open access: yesTongxin xuebao, 2009
The performance of least mean squares(LMS) algorithm degraded dramatically in the presence of even slight steering vector mismatches.In order to overcome the shortage,a novel robust adaptive beamforming algorithm based on the variable diagonal loading ...
SONG Xin   +3 more
doaj   +2 more sources

Digital beamforming and multidimensional waveform encoding for sapceborne radar remote sensing [PDF]

open access: yes, 2007
This paper introduces the innovative concept of multidimensional waveform encoding for space-borne synthetic aperture radar (SAR). The combination of this technique with digital beamforming on receive enables a new generation of SAR systems with ...
Moreira, Alberto   +2 more
core  

Channel Prediction Aided Coded Modulation Assisted Eigen-Beamforming

open access: yes, 2007
Eigen-beamforming is capable of providing attractive performance gains in the context of Multiple-Input Multiple-Output (MIMO) systems, provided that accurate Channel State Information (CSI) is available.
Ng, S.X.   +7 more
core   +1 more source

Amplitude and Phase Estimation Combined Coherence Factor Applied to Medical Ultrasound Imaging

open access: yes工程科学与技术, 2015
:In medical ultrasound imaging, the minimum variance (MV) adaptive beamforming method can improve the imaging resolution at expense of imaging contrast and robustness. In order to overcome this drawback, the amplitude and phase estimation (APES) adaptive
Liu Hao-Lin, 易宗锐, 刘东权
doaj  

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