Method for near maximum-likelihood sequential decoding

Details Method for near maximum-likelihood sequential decoding Method for near maximum-likelihood sequential decoding

2011-03-01

2011-03-01

Chaudry, M. Mujtaba K (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S760000, C714S796000

Reexamination Certificate

active

07900123

ABSTRACT:
A method for near maximum-likelihood sequential decoding is provided. According to the method, paths unlikely to become the maximum-likely path are deleted during decoding through a level threshold to reduce decoding complexity. Besides, the method performs maximum-likelihood decoding through sequential decoding by adopting a metric, so that a received signal does not have to go through a hard decision procedure.

REFERENCES:
patent: 6948114 (2005-09-01), Potkonjak et al.
patent: 6961392 (2005-11-01), Heegard et al.
patent: 7103825 (2006-09-01), Yedidia et al.
patent: 7469014 (2008-12-01), Abe et al.
patent: 2004/0144209 (2004-07-01), Faine et al.
Article title “A Maximum-Likelihood Soft-Decision Sequential Decoding Algorithm for Binary Convolutional Codes” authored by Han et al. IEEE Transactions Letters on communications, vol. 50, No. 2, Feb. 2002 (pp. 173-178).

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