A new OFDM channel estimation method based on pilot and MWLS-SVR

Authors:
Wu Dingxue;Fan Wenping
Affiliations:
Computer Department, Huanggang Normal University, Huanggang City, China;Computer Department, Huanggang Normal University, Huanggang City, China
Venue:
ICNC'09 Proceedings of the 5th international conference on Natural computation
Year:
2009

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Two-Dimensional Pilot-Symbol-Aided Channel Estimation by Wiener Filtering

ICASSP '97 Proceedings of the 1997 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP '97)-Volume 3 - Volume 3

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Abstract

In order to increase the transmission efficiency of OFDM system,this paper present a local adaptive multi-scale wavelet least squares support vector regression(MWLS-SVR) formulation specifically adapted to a pilots-based OFDM signal,and proposes a new method for channel estimation with pilot assisted symbol modulation expectation. The simulation result shows that the new method can reduce the complexity, and it has also still lower BER compared to traditional method.