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Fifth Annual Conference on Communication Networks and Services Research (CNSR '07)
Carrier-Frequency Offset Estimation via the EM Algorithm for MIMO-OFDM Iterative Receivers
Fredericton, New Brunswick, Canada
May 14-May 17
ISBN: 0-7695-2835-X
ASCII Text
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S. Salari, M. Ahmadian, M. Ardebilipour, V. Meghdadi, J.P. Cances, "Carrier-Frequency Offset Estimation via the EM Algorithm for MIMO-OFDM Iterative Receivers," Communication Networks and Services Research, Annual Conference on, pp. 101-106, Fifth Annual Conference on Communication Networks and Services Research (CNSR '07), 2007.
 
 
BibTex
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@article{ 10.1109/CNSR.2007.21,
author = {S. Salari and M. Ahmadian and M. Ardebilipour and V. Meghdadi and J.P. Cances},
title = {Carrier-Frequency Offset Estimation via the EM Algorithm for MIMO-OFDM Iterative Receivers},
journal ={Communication Networks and Services Research, Annual Conference on},
volume = {0},
year = {2007},
isbn = {0-7695-2835-X},
pages = {101-106},
doi = {http://doi.ieeecomputersociety.org/10.1109/CNSR.2007.21},
publisher = {IEEE Computer Society},
address = {Los Alamitos, CA, USA},
}
 
 
RefWorks Procite/RefMan/Endnote
x 
 
TY - CONF
JO - Communication Networks and Services Research, Annual Conference on
TI - Carrier-Frequency Offset Estimation via the EM Algorithm for MIMO-OFDM Iterative Receivers
SN - 0-7695-2835-X
SP101
EP106
A1 - S. Salari,
A1 - M. Ahmadian,
A1 - M. Ardebilipour,
A1 - V. Meghdadi,
A1 - J.P. Cances,
PY - 2007
KW - null
VL - 0
JA - Communication Networks and Services Research, Annual Conference on
ER -
 
S. Salari, K.N. Toosi University of Technology, Tehran, Iran
M. Ahmadian, K.N. Toosi University of Technology, Tehran, Iran
M. Ardebilipour, K.N. Toosi University of Technology, Tehran, Iran
V. Meghdadi, University of Limoges, ENSIL, France
J.P. Cances, University of Limoges, ENSIL, France
In this paper, we consider carrier-frequency offset (CFO) estimation issue in a multiple-input multipleoutput (MIMO) orthogonal frequency division multiplexing (OFDM) system using low-density paritycheck (LDPC) codes at transmitter and iterative detection based on the maximum a posteriori expectation-maximization (MAP-EM) demodulator and a soft LDPC decoder at receiver. Based on the EM algorithm, we first present a novel pilot-aided CFO estimator that allows fast Fourier-transform (FFT)- based fast implementation. Then this CFO estimator is incorporated into the initialization step of the iterative receiver. Experimental results show the effectiveness of our receiver design in combating CFO.
Citation:
S. Salari, M. Ahmadian, M. Ardebilipour, V. Meghdadi, J.P. Cances, "Carrier-Frequency Offset Estimation via the EM Algorithm for MIMO-OFDM Iterative Receivers," cnsr, pp.101-106, Fifth Annual Conference on Communication Networks and Services Research (CNSR '07), 2007
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