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GLOBECOM
2007
IEEE
13 years 5 months ago
Doppler Spread Estimation for Broadband Wireless OFDM Systems
Abstract— In this paper, we present a new Doppler spread estimation algorithm for broadband wireless orthogonal frequency division multiplexing (OFDM) systems with time-varying a...
Jun Tao, Jingxian Wu, Chengshan Xiao
GLOBECOM
2007
IEEE
13 years 11 months ago
Time-Varying Channel Complex Gains Estimation and ICI Suppression in OFDM Systems
—In this paper, we present an iterative algorithm for channel complex gains estimation with inter-sub-carrierinterference (ICI) reduction in orthogonal-frequency-divisionmultiple...
Hussein Hijazi, Laurent Ros
ICC
2007
IEEE
105views Communications» more  ICC 2007»
13 years 11 months ago
Phase Noise Suppression for OFDM Systems Over Fast Time-Varying Channels
— This paper derives a phase-noise suppression scheme for orthogonal frequency division multiplexing (OFDM) systems. This scheme is a maximum likelihood approach that exploits th...
O. Can Ozdural, Huaping Liu
TSP
2008
178views more  TSP 2008»
13 years 5 months ago
Monte Carlo Methods for Channel, Phase Noise, and Frequency Offset Estimation With Unknown Noise Variances in OFDM Systems
In this paper, we address the problem of orthogonal frequency-division multiplexing (OFDM) channel estimation in the presence of phase noise (PHN) and carrier frequency offset (CFO...
F. Septier, Yves Delignon, A. Menhaj-Rivenq, Chris...
GLOBECOM
2006
IEEE
13 years 11 months ago
An Iterative QR-SIC Receiver for Concatenated Space Frequency Coding Schemes in Severe Multipath Channels
Abstract—This paper studies an efficient receiver design for concatenated space-frequency coded orthogonal frequency division multiplexing (OFDM) systems under severe multipath c...
Tung X. Lai, Siva D. Muruganathan, Abu B. Sesay