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Reduced Complexity Combined Soft-Decision MLSE Equalization and Decoding

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2 Author(s)
Myburgh, H.C. ; Dept. of Electr., Univ. of Pretoria, Tshwane ; Linde, L.P.

A maximum likelihood sequence estimation (MLSE) combined equalizer and decoder with soft-decision decoding performance, that has a computational complexity superior to that of conventional MLSE equalization, is proposed. Its performance is compared to a system containing a soft-output Viterbi MLSE equalizer followed by a soft-decision Viterbi MLSE decoder. It is shown via computer simulation that the proposed algorithm's performance matches that of conventional soft-decision decoding, while eliminating the use of a decoder in the receiver, for frequency-selective Rayleigh fading channels.

Published in:

Telecommunication Networks and Applications Conference, 2008. ATNAC 2008. Australasian

Date of Conference:

7-10 Dec. 2008