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Iterative channel estimation and decoding with product codes in multicarrier systems

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2 Author(s)
Sanzi, F. ; Inst. of Telecommun., Stuttgart Univ., Germany ; ten Brink, S.

A two-dimensional channel estimation scheme for coherent detection of multicarrier modulated signals is presented which is based on the a posteriori probability (APP) calculation algorithm. An iterative estimation and decoding loop over inner estimator/product code and outer soft in/soft out APP decoder allows to further reduce the bit error rate. Heavily punctured recursive systematic convolutional codes are introduced as high-rate component codes of the inner product code. The proposed system outperforms the reference system which applies conventional two-dimensional Wiener filters for channel estimation

Published in:

Vehicular Technology Conference, 2000. IEEE-VTS Fall VTC 2000. 52nd  (Volume:3 )

Date of Conference:

2000

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