Method and device for performing soft decision decoding on...

Details Method and device for performing soft decision decoding on... Method and device for performing soft decision decoding on...

2006-08-15

2006-08-15

Torres, Joseph D. (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S780000, C714S781000

Reexamination Certificate

active

07093189

ABSTRACT:
An RM code soft decision decoding method using decision by majority comprises: (a) performing multiplication on a bit group of a codeword, and calculating an information bit's estimate group; (b) summating elements of the group and obtaining a final estimate of the degree's information bit to perform decision by majority; (c) using the final estimate to generate a codeword corresponding to each degree's information bit final estimate, and removing the generated codeword from the codeword of (a); (d) repeating the step (c) for the final estimates of the remaining degrees' information bits other than zero-order information bit; and (e) summating elements of codewords of results performed on the final estimates of the first-order information bit in (d) to estimate the zero-order information bit's final estimate.

REFERENCES:
patent: 1143624 (2001-10-01), None
patent: 2001-345713 (2001-12-01), None
patent: 1020010019917 (2001-03-01), None
patent: 1020020067677 (2002-08-01), None
Stephen B. Wicker, Error Control Systems for Digital Communication and Storage, Prentice-Hall, 1996, pp. 154-173.

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