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Wavelet Based Semi-blind Channel Estimation For Multiband OFDM [article]

Sajad Sadough, Emmanuel Jaffrot, Pierre Duhamel
2007 arXiv   pre-print
This paper introduces an expectation-maximization (EM) algorithm within a wavelet domain Bayesian framework for semi-blind channel estimation of multiband OFDM based UWB communications.  ...  error and bit error rate and enhances the estimation accuracy with less computational complexity than traditional semi-blind methods.  ...  CONCLUSION This paper proposed a semi-blind MAP channel estimation algorithm that integrates the advantages of wavelet based estimation.  ... 
arXiv:0708.1414v1 fatcat:qxqk4zrqkzhvbbmw4nerxtzu4i

Wavelet Domain Channel Estimation For Multiband Ofdm Uwb Communications

P. Duhamel, Emmanuel Jaffrot, Sajad Sadough
2006 Zenodo  
We propose here an alternative semi-blind method based on the sparse wavelet domain representation of UWB channels addressed in [5] .  ...  Major part of previous work in OFDM semi-blind channel estimation [8] [9] were based on a data model similar to (1) and proposed to estimate directly the channel frequency response (h i ) which requires  ... 
doi:10.5281/zenodo.53353 fatcat:sx2lxqrdx5hbjl5sz7vfw7ksdu

Wavelet-Based Semiblind Channel Estimation for Ultrawideband OFDM Systems

S.M.S. Sadough, M.M. Ichir, P. Duhamel, E. Jaffrot
2009 IEEE Transactions on Vehicular Technology  
This paper introduces an expectation-maximization (EM) algorithm within a wavelet domain Bayesian framework for semi-blind channel estimation of multiband OFDM based UWB communications.  ...  error and bit error rate and enhances the estimation accuracy with less computational complexity than traditional semi-blind methods.  ...  CONCLUSION This paper proposed a semi-blind MAP channel estimation algorithm that integrates the advantages of wavelet based estimation.  ... 
doi:10.1109/tvt.2008.927718 fatcat:jaa3mk3vzzdvtguoxuuqjrhhri

Ultra wideband OFDM channel estimation through a wavelet based EM-MAP algorithm

S. M. S. SADOUGH, M. Ichir, P. Duhamel, E. Jaffrot
2008 Transactions on Emerging Telecommunications Technologies  
More precisely, this paper introduces an expectation-maximisation (EM) algorithm within a wavelet domain Bayesian framework for semi-blind channel estimation of multiband orthogonal frequency-division  ...  Also, we observe that wavelet based semi-blind methods perform closely to the perfect CSI case. For example, at a BER of 10 −4 , the EM-MAP and EM-Wav method have respectively about  ...  In this work, we consider a semi-blind joint channel estimation and data detection scheme for MB-OFDM systems based on the EM algorithm, with the objective of minimising the number of estimated parameters  ... 
doi:10.1002/ett.1324 fatcat:wgyu5ut6pvbrrnf63qhq6nrava

Advances in signal processing for wireless and wired communications [Guest Editorial]

Mehmet Keskinoz, Sedat Olcer, Hamid Sadjadpour
2009 IEEE Communications Magazine  
channel-estimation techniques to realize rate-efficient transmission.  ...  The authors focus on two techniques to improve 3G WCDMA receiver performance: the optimal joint multiuser detection for long-code WCDMA by using fast inversion based on the state-space approach and semi-blind  ...  channel-estimation techniques to realize rate-efficient transmission.  ... 
doi:10.1109/mcom.2009.4752673 fatcat:4tnotggd3zap5kt6rqopuiddre

2010 Index IEEE Transactions on Signal Processing Vol. 58

2010 IEEE Transactions on Signal Processing  
., +, TSP July 2010 3436-3447 Preamble-Based Channel Estimation for CP-OFDM and OFDM/OQAM Systems: A Comparative Study.  ...  Isukapalli, Y., +, TSP April 2010 2298-2314 Preamble-Based Channel Estimation for CP-OFDM and OFDM/OQAM Systems: A Comparative Study.  ...  Global Positioning System A Fixed-Lag Particle Filter for the Joint Detection/Compensation of Interference Effects in GPS Navigation.  ... 
doi:10.1109/tsp.2010.2092533 fatcat:4y66ezuo7zf6doe6nwjqwtc42i

2013 Index IEEE Signal Processing Letters Vol. 20

2013 IEEE Signal Processing Letters  
The Author Index contains the primary entry for each item, listed under the first author's name.  ...  ., +, LSP Feb. 2013 121-124 Double Khatri-Rao Space-Time-Frequency Coding Using Semi-Blind PARAFAC Based Receiver. de Almeida, A. L.  ...  ., +, LSP Jan. 2013 83-86 Double Khatri-Rao Space-Time-Frequency Coding Using Semi-Blind PARAFAC Based Receiver. de Almeida, A. L.  ... 
doi:10.1109/lsp.2013.2291126 fatcat:pe3e4vel6bhjze7qeapf7eml5e

Different Spectrum Sensing Technique in Cognitive Radio Environment

2020 VOLUME-8 ISSUE-10, AUGUST 2019, REGULAR ISSUE  
[27] , introduced a blind SS algorithm based on the mathematical Eigen value ratio that used for CR with multiband network.  ...  Thus the present study SS CR was briefly discussed with blind semi-blind and non-bling spectrum scheme. The SS in CR was used adaptive technology in work of Salam et al. [13] .  ... 
doi:10.35940/ijitee.h6282.069820 fatcat:puhkkmff5ffklot5d7vfxi2hze

Timing and carrier synchronization in wireless communication systems: a survey and classification of research in the last 5 years

Ali A. Nasir, Salman Durrani, Hani Mehrpouyan, Steven D. Blostein, Rodney A. Kennedy
2016 EURASIP Journal on Wireless Communications and Networking  
Timing and carrier synchronization is a fundamental requirement for any wireless communication system to work properly.  ...  on the system model assumptions for synchronization, the synchronization challenges, and the state-of-the-art synchronization solutions and their limitations.  ...  MB-OFDM UWB Multiband OFDM (MB-OFDM) approach for UWB is based on multiple OFDM bands each with at least 500-MHz bandwidth and each OFDM band comprising multiple sub-carriers.  ... 
doi:10.1186/s13638-016-0670-9 fatcat:xqzvzx4trrgdnbw2sde5gjoisa

A Wideband Spectrum Sensing Approach for Cognitive Radios Based on Cepstral Analysis

Azza Moawad, Koffi-Clement YAO, Ali Mansour, Roland Gautier
2020 IEEE Open Journal of the Communications Society  
Despite the offered accuracy of the wavelet-based approaches, their complexity becomes a drawback.  ...  The simulation results have showed a superior performance of the edge detection algorithm to different wavelet-based techniques at low-to-medium noise power.  ...  information, we apply the TVD-MM algorithm in semi-blind theme without prior knowledge of the nature of the noise-like signal.  ... 
doi:10.1109/ojcoms.2020.3007171 fatcat:4oacttdsyzdp3oo5jo6lkkw4me

2019 Index IEEE Transactions on Signal Processing Vol. 67

2019 IEEE Transactions on Signal Processing  
., +, TSP Aug. 1, 2019 3954-3969 Semi-Blind, Training, and Data-Aided Channel Estimation Schemes for MIMO-FBMC-OQAM Systems.  ...  ., +, TSP Dec. 1, 2019 5968-5982 Semi-Blind, Training, and Data-Aided Channel Estimation Schemes for MIMO-FBMC-OQAM Systems.  ... 
doi:10.1109/tsp.2020.2968163 fatcat:dvvpqntb2rc2bjed5nnk4xora4

2020 Index IEEE Photonics Journal Vol. 12

2020 IEEE Photonics Journal  
Hirano, Y., +, JPHOT April 2020 6600807 Phase estimation A Simple Blind Sampling Frequency Offset Estimation Scheme for Short-Reach DD-OFDM Systems.  ...  ., +, JPHOT April 2020 7200913 Blind Frequency Offset Estimation Based on Phase Rotation For Coherent Transceiver.  ...  Light interferometry Fourier and Inverse Fourier Transform Model for Delayed Self-interferometry System. Zhang  ... 
doi:10.1109/jphot.2021.3050278 fatcat:lbfms2rznnhurdanu5rfora5pe

2021 Index IEEE Transactions on Vehicular Technology Vol. 70

2021 IEEE Transactions on Vehicular Technology  
The Author Index contains the primary entry for each item, listed under the first author's name.  ...  ., +, TVT Nov. 2021 11604-11618 Channel Estimation and Equalization for Alamouti SF-Coded OFDM-UWA Communications.  ...  ., +, TVT May 2021 4065-4080 Channel Estimation for Semi-Passive Reconfigurable Intelligent Surfaces With Enhanced Deep Residual Networks.  ... 
doi:10.1109/tvt.2022.3151213 fatcat:vzuzqu54irebpibzp3ykgy5nca

Design of large polyphase filters in the Quadratic Residue Number System

Gian Carlo Cardarilli, Alberto Nannarelli, Yann Oster, Massimo Petricca, Marco Re
2010 2010 Conference Record of the Forty Fourth Asilomar Conference on Signals, Systems and Computers  
Mp8a5-3 Blind phase-Shift-Based DoA Estimation John Shynk, Sheng-Luen Wei, University of California, Santa Barbara Blind direction-of-arrival (DOA) estimation algorithms based on direction vector phase  ...  Mp8a4-4 Blind Adaptive Equalizer Based on pDF Matching for Rayleigh Time-Varying Channels Adel Daas, Stephan Weiss, University of Strathclyde In this paper, we propose a new adaptive technique for blind  ... 
doi:10.1109/acssc.2010.5757589 fatcat:ccxnu5owr5fyrcjcqukumerueq

Artificial Intelligence for Radio Communication Context-Awareness

Malgorzata Wasilewska, Adrian Kliks, Hanna Bogucka, Krzysztof Cichon, Julius Ruseckas, Gediminas Molis, Ausra Mackute-Varoneckiene, Tomas Krilavicius
2021 IEEE Access  
Recommendations for a future AI/ML-based radio communication system architectures are also provided.  ...  This paper surveys Artificial Intelligence (AI) methods for acquiring and managing contextof-operation awareness of radio communication nodes, links, and networks.  ...  occupied subchan- presence channels), sinc-based nels 1 SU signals TABLE 5 : 5 ML for decision making in Fusion Centers in Cooperative Spectrum Sensing Paper Number Sensed Channel Blind ML input data  ... 
doi:10.1109/access.2021.3119524 fatcat:eh3b2vxiujd3xglaumnpvg6djq
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