A high-throughput, field programmable gate array implementation of soft output Viterbi algorithm for magnetic recording

IEEE Transactions on Magnetics

Volumn 40, Issue 4 II, 2004, Pages 3081-3083

  Sun, Lingyan ^a   Horigome, Toshihiro ^a,b   Vijaya Kumar, B V K ^a  

^a CARNEGIE MELLON UNIVERSITY   (United States)

^b SONY CORPORATION   (Japan)

Author keywords

Decoder; LDPC codes; SOVA

Indexed keywords

ALGORITHMS; COMPUTATIONAL COMPLEXITY; DECODING; ERROR ANALYSIS; FIELD PROGRAMMABLE GATE ARRAYS; ITERATIVE METHODS; MAGNETIC CIRCUITS; MAGNETIC STORAGE; SIGNAL TO NOISE RATIO; TURBO CODES;

DECODERS; LDPC CODES; LOW DENSITY PARITY CHECK (LDPC) CODES; SOFT OUTPUT VITERBI ALGORITHM (SOVA); SOVA;

MAGNETIC RECORDING;

EID: 4444254310     PISSN: 00189464     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMAG.2004.832672     Document Type: Article

References (8)

1. D. J. C. Mackay and R. M. Neal, "Good codes based on very sparse matrices," in 5th IMA Conf. Cryptography and Coding, 1995.
2. J. Hagenauer and P. Hoeher, "A Viterbi algorithm with soft-decision outputs and its applications," in Proc. Global Communications, 1989, pp. 1680-1686.
3. L. Bahl, J. Cocke, F. Jelinek, and J. Raviv, "Optimal decoding of linear codes for minimizing symbol error rate," IEEE Trans. Inform. Theory, vol. 20, pp. 284-287, Mar. 1974.
4. O. J. Joeressen and H. Meyr, "A 40 Mb/s soft-output Viterbi decoder," IEEE J. Solid-State Circuits, vol. 30, pp. 812-818, July 1995.
5. D. Garret and M. Stan, "A 2.5 Mb/s, 25 Mw SOVA traceback chip for turbo decoding application," in IEEE Int. Symp. Circuits and Systems, May 2001, pp. 61-64.
6. E. Yeo, S. Augsburger, W. R. Davis, and B. Nikolic, "Implementation of high throughput soft output Viterbi decoder," in IEEE Workshop on Signal Processing Systems, Oct. 2002, pp. 146-151.
7. C. Berrou, P. Adde, E. Angui, and S. Faudeil, "A low complexity soft-output viterbi decoder architecture," in IEEE Int. Conf. Communications, vol. 2, May 1993, pp. 737-740.
8. B. Vucetic and J. Yuan, Tubo Codes: Principles and Applications. Norwell, MA: Kluwer, 2000, ISBNO 792 378 687, pp. 126-137.