Results 21 to 30 of about 2,974,123 (288)

Parameter Estimation of Quantum Channels [PDF]

IEEE Transactions on Information Theory, 2008
Final ...
Zheng-Feng Ji, Guoming Wang, Runyao Duan, Yuan Feng 0001, Mingsheng Ying   +4 more
openaire   +2 more sources

Decision Directed Channel Estimation Employing Projection Approximation Subspace Tracking

, 2007
The attainable capacity and integrity of a state-of-the-art broadband multi-carrier communication system is highly sensitive to the accuracy of the information available concerning the channel conditions encountered.
Jos Akhtman, Akhtman, J., Hanzo, L., Lajos Hanzo   +3 more
core   +2 more sources

Joint channel estimation and multi-user detection for SDMA/OFDM based on dual repeated weighted boosting search [PDF]

, 2011
A joint channel estimation and Multi-User Detection (MUD) scheme is proposed for multi-user Multiple-Input Multiple-Output (MIMO) Space Division Multiple Access / Orthogonal Frequency-Division Multiplexing (SDMA/OFDM) systems.
Chen, Sheng, Mu, Xiaomin, Hanzo, Lajos, Zhang, Jiankang   +3 more
core   +2 more sources

Research on OFDM channel estimation of mine based on improved SRCNN

Meikuang Anquan
Aiming at the problem of low accuracy of traditional channel estimation algorithms in the harsh environment of underground coal mines, this paper proposes an improved Super Resolution Convdutional Network (SRCNN) for channel estimation.
Anyi WANG, Yan LIANG
doaj   +1 more source

Learning the MMSE Channel Estimator [PDF]

IEEE Transactions on Signal Processing, 2018
To appear in IEEE Transactions on Signal ...
David Neumann, Thomas Wiese, Wolfgang Utschick   +2 more
openaire   +4 more sources

Artificial intelligence for channel estimation in multicarrier systems for B5G/6G communications: a survey

EURASIP Journal on Wireless Communications and Networking, 2022
Multicarrier modulation allows for deploying wideband systems resilient to multipath fading channels, impulsive noise, and intersymbol interference compared to single-carrier systems.
Evandro C. Vilas Boas, Jefferson D. S. e Silva, Felipe A. P. de Figueiredo, Luciano L. Mendes, Rausley A. A. de Souza   +4 more
doaj   +1 more source

Deep Learning-Based Wireless Channel Estimation for MIMO Uncoded Space-Time Labeling Diversity

IEEE Access, 2020
Uncoded space-time labeling diversity (USTLD) is a space-time block coded (STBC) system with labeling diversity applied to it to increase wireless link reliability without compromising the spectral efficiency.
Bhekisizwe Mthethwa, Hongjun Xu
doaj   +1 more source

Kalman interpolation filter for channel estimation of LTE downlink in high-mobility environments [PDF]

, 2012
The estimation of fast-fading LTE downlink channels in high-speed applications of LTE advanced is investigated in this article. In order to adequately track the fast time-varying channel response, an adaptive channel estimation and interpolation ...
Dai, Xuewu, Zhang, W, Xuewu Dai, Dai, X, Yang, Y, Mitchell, JE, Yang, Yang, John E Mitchell, Xu, Jing, Jing Xu, Mitchell, John, Xu, J, Zhang, Wuxiong, Yang Yang, Wuxiong Zhang   +14 more
core   +2 more sources

Compressive sensing based channel estimation for NC-OFDM systems in cognitive radio context

Tongxin xuebao, 2011
A new channel estimation based on compressive sensing(CS)in non-contiguous orthogonal frequency division multiplexing(NC-OFDM)system was proposed.As for NC-OFDM systems in cognitive radio context,the infrastructure of CS-based channel estimation,the ...
Xue-yun HE, Rong-fang SONG, Ke-qin ZHOU
doaj   +2 more sources

Deep Learning-Based Channel Estimation for mmWave Massive MIMO Systems in Mixed-ADC Architecture

Sensors, 2022
Millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) systems can significantly reduce the number of radio frequency (RF) chains by using lens antenna arrays, because it is usually the case that the number of RF chains is often much ...
Rui Zhang, Weiqiang Tan, Wenliang Nie, Xianda Wu, Ting Liu   +4 more
doaj   +1 more source