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Kalman filter channel estimation based on Comb-type pilots for OFDM system in time and frequency -selective fading environments

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3 Author(s)
Hala Mahmoud ; Department of Electronics Engineering, Al-Quds University, Jerusalem, Palestine ; Allam Mousa ; Rashid Saleem

Kalman-filter method have been used for the estimation of time-frequency-selective fading channels in OFDM systems, the estimation is based on Comb-type pilot frequencies arrangement, the channel coefficients that belong to the pilot subcarriers are estimated. Then these estimates are interpolated using different types of interpolations like; Low pass interpolation, Spline cubic interpolation or Linear interpolation. The performances of all schemes have been compared by finding Bit Error Rate where BPSK modulation scheme was used.

Published in:

Communications, Computers and Applications, 2008. MIC-CCA 2008. Mosharaka International Conference on

Date of Conference:

8-10 Aug. 2008