Excavating
Patent
1996-05-10
1998-10-13
Elmore, Reba I.
Excavating
371 6, G06F 1110
Patent
active
058223401
ABSTRACT:
A method for decoding a transmitted data sequence using a full-length decision window, such as in a trellis decoder, in which transition paths have converged. Transition paths within the decision window and their associated soft values are compared with a stored candidate for the next best path and associated stored soft value. Based on the comparison, and whether the transition paths and the best path have merged during the decision window, the decision window is shifted or the stored candidate for the next best transition path and associated stored soft value are replaced by the possible candidate for the next best path and associated soft value. The decision window is then shifted.
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Nill et al., "List and Soft Symobl Output Viterbi Algorithms: Extensions and Comparisons", IEEE Transactions on Communications, vol. 43, No. 2/3/4, Feb./Mar./Apr., pp. 227-287, 1995.
"List and Soft Symbol Output Viterbi Algorithms: Extensions and Comparisons", Nill et al., IEEE Transactions on Communications, vol. 43, No. 2/3/4, Feb./Mar./Apr. 1995, pp. 277-287.
Johansson Karin Cecilia
Stenstrom Sven Erik Nikias
Elmore Reba I.
Marc McDieunel
Telefonaktiebolaget LM Ericsson
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