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Channel estimation with wavelet de-noising for OFDM system in mobile environment

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4 Author(s)
Dong Heon Lee ; Dept. of Electr. Eng., Pusan Nat. Univ., Busan ; Suk Chan Kim ; Jin Woo Park ; Seong Lai Park

In this paper, we propose a channel estimation method which uses piecewise linear interpolation with wavelet de-noising to reduce additive white Gaussian noise (AWGN) and intercarrier interference (ICI) for orthogonal frequency division multiplexing (OFDM) mobile communication systems. The performance including mean squared error (MSE) and bit error rate (BER) of the proposed channel estimator is compared with conventional methods. Computer simulations in mobile environment demonstrate that the proposed channel estimation method exhibit an improved performance.

Published in:

Military Communications Conference, 2008. MILCOM 2008. IEEE

Date of Conference:

16-19 Nov. 2008