Method and apparatus for decoding a LDPC code

Details Method and apparatus for decoding a LDPC code Method and apparatus for decoding a LDPC code

2011-08-09

2011-08-09

Chase, Shelly A (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Error/fault detection technique

Reexamination Certificate

active

07996752

ABSTRACT:
In a decoder for decoding a low density parity check (LDPC) code suitable for decoding multi-rated LDPC codes, a method is provided. The method comprises the steps of: providing a memory for the decoding with the memory dependent on a parity check matrix H with maximum number of “1”s; using a number of column updating units, updating columns parallely and simultaneously producing messages; and using a number of row updating units, updating rows parallely and simultaneously producing messages. Whereby an improved architecture in a logic and the memory is provided such that an improved throughput, power consumption, and memory area is achieved.

REFERENCES:
patent: 7178080 (2007-02-01), Hocevar

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