Efficient message passing scheme of iterative error...

Details Efficient message passing scheme of iterative error... Efficient message passing scheme of iterative error...

2006-11-30

2010-10-19

Torres, Joseph D (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S781000

Reexamination Certificate

active

07818649

ABSTRACT:
A decoder and method for implementing an iterative error correcting decoder are provided for decoding a codeword consisting of a N-bit messages. In one implementation, the decoder includes a first set of nodes, and a second set of nodes, each having N bits of resolution. Each node of the second set is coupled to at least one node of the first set, each node of the second set being coupled to a node of the first set by a corresponding set of M wires. Each of the first set of nodes is operable to transfer the bits of a given N-bit message of the codeword over the corresponding set of M wires to a coupled node of the second set during a single iteration cycle, each of the M wires carrying i bits, where N is an integer greater than M, and N=M*i.

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