Apparatus and method of storing reference vector of state...

Details Apparatus and method of storing reference vector of state... Apparatus and method of storing reference vector of state...

2005-02-15

2005-02-15

Decady, Albert (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S792000

Reexamination Certificate

active

06857101

ABSTRACT:
A method of calculating recursive state metric vectors of a block of symbols wherein, the state metric vectors being supplied to an output calculating unit. The method includes calculating the state metric vectors from a first side of the block, and calculating for a second time at least some of the state metric vectors from the first side of the block.

REFERENCES:
patent: 5933462 (1999-08-01), Viterbi et al.
patent: 6028899 (2000-02-01), Petersen
patent: 6128765 (2000-10-01), Ross et al.
patent: 6343368 (2002-01-01), Lerzer
patent: WO 9820617 (1998-05-01), None
Pietrobon,Steven S.; “Implementation and Performance of a Turbo/MAP Decoder”; Int. J. Satellite Commun.; vol. 16, pp. 23-46; Jan.-Feb. 1998.

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