Method and apparatus for encoding and decoding data

Details Method and apparatus for encoding and decoding data Method and apparatus for encoding and decoding data

2006-07-17

2009-10-20

Chase, Shelly A (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Error/fault detection technique

C714S790000

Reexamination Certificate

active

07607075

ABSTRACT:
A method and apparatus for encoding and decoding data is provided herein. During operation, A structured parity-check matrix H is provided to the encoder and decoder, where H is an m by n matrix and an expansion of a model matrix Hbmof size mbby nb, where m=mb×z and n=nb×z. For a given code rate, multiple code sizes are accommodated by allowing both the model matrix size nband the expansion factor z to vary.

REFERENCES:
patent: 7260763 (2007-08-01), Sukhobok et al.
patent: 2006/0242534 (2006-10-01), Livshitz
patent: 2007/0136635 (2007-06-01), Niu et al.
patent: 2007/0180349 (2007-08-01), Jacobsen
Eli Shasha, et al., “Multi-Rate LDPC code for OFDMA PHY,” Runcom Technologies Ltd., Jun. 25, 2004.
Dale Hocevar, et al., “LDPC Coding Scheme for OFDMA,” Texas Instruments, Oct. 27, 2004.

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