LAPACK Users' guide (third ed.)
LAPACK Users' guide (third ed.)
Multi-Carrier Digital Communications: Theory and Applications of Ofdm
Multi-Carrier Digital Communications: Theory and Applications of Ofdm
IEEE Transactions on Signal Processing
Low-complexity equalization of OFDM in doubly selective channels
IEEE Transactions on Signal Processing
Multi-input multi-output fading channel tracking and equalizationusing Kalman estimation
IEEE Transactions on Signal Processing
Pilot-Assisted Time-Varying Channel Estimation for OFDM Systems
IEEE Transactions on Signal Processing
CHANNEL ESTIMATION FOR WIRELESS OFDM SYSTEMS
IEEE Communications Surveys & Tutorials
Iterative interference cancellation and channel estimation for mobile OFDM
IEEE Transactions on Wireless Communications
ICI mitigation for pilot-aided OFDM mobile systems
IEEE Transactions on Wireless Communications
Autoregressive modeling for fading channel simulation
IEEE Transactions on Wireless Communications
IEEE Transactions on Consumer Electronics
IEEE Transactions on Consumer Electronics
Performance Analysis of Multiband OFDM System Over Ultra Wide Band Channels Using Kalman Filter
Wireless Personal Communications: An International Journal
Iterative Decomposed OFDM Channel Estimation Algorithm Over Highly Mobile Channels
Wireless Personal Communications: An International Journal
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This paper deals with the case of a high speed mobile receiver operating in an orthogonal-frequency-division-multiplexing (OFDM) communication system. Assuming the knowledge of delay-related information, we propose an iterative algorithm for joint multi-path Rayleigh channel complex gains estimation and data recovery in fast fading environments. Each complex gain time-variation, within one OFDM symbol, is approximated by a polynomial representation. Based on the Jakes process, an auto-regressive (AR) model of the polynomial coefficients dynamics is built, making it possible to employ the Kalman filter estimator for the polynomial coefficients. Hence, the channel matrix is easily computed, and the data symbol is estimated with free inter-sub-carrier-interference (ICI) thanks to the use of a QR-decomposition of the channel matrix. Our claims are supported by theoretical analysis and simulation results, which are obtained considering Jakes' channels with high Doppler spreads.