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Improved MAP decoders for turbo codes with non-perfect timing and phase synchronization

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2 Author(s)
Mielczarek, B. ; Dept. of Signals & Syst., Chalmers Univ. of Technol., Goteborg, Sweden ; Svensson, A.

This paper presents the behaviour of a turbo coding scheme when the synchronization parameters are not perfectly estimated. The paper proposes improved MAP decoding algorithms for the situations when the timing and phase error are given by the Gaussian probability distribution. It is shown that relatively simple operations can improve the bit error probability without the need of reconstructing the classical decoding algorithm

Published in:

Vehicular Technology Conference, 1999. VTC 1999 - Fall. IEEE VTS 50th  (Volume:3 )

Date of Conference:

1999