Title :
Integration based frequency offset estimate for the MIMO-OFDM system
Author :
Kim, Kyeong Jin ; Iltis, Ronald A.
Author_Institution :
Nokia Res. Center, Irving, TX, USA
Abstract :
In this paper, we focus on the frequency offset estimation for a MIMO system with OFDM transmission technique. In our system, we directly approximate the a posteriori distribution employing the Gauss-Hermite integration in the preamble interval. Using this proposed approach, a better frequency offset estimation can be achieved in relatively large frequency offsets compared to the extended Kalman filter based approach over a quasi-static channel environment.
Keywords :
MIMO systems; OFDM modulation; channel estimation; fading channels; frequency estimation; integration; multipath channels; Gauss-Hermite integration; MIMO-OFDM system; OFDM transmission technique; a posteriori distribution; extended Kalman filter based approach; frequency offsets; integration based frequency offset estimate; multipath fading channel; quasi-static channel environment; Distributed computing; Frequency estimation; Gaussian approximation; Gaussian distribution; Jacobian matrices; MIMO; OFDM; Particle filters; Receiving antennas; Transmitting antennas;
Conference_Titel :
Acoustics, Speech, and Signal Processing, 2005. Proceedings. (ICASSP '05). IEEE International Conference on
Print_ISBN :
0-7803-8874-7
DOI :
10.1109/ICASSP.2005.1415832
