Encoding and decoding apparatus and method with hamming...

Details Encoding and decoding apparatus and method with hamming... Encoding and decoding apparatus and method with hamming...

2006-12-12

2006-12-12

Torres, Joseph D. (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Error/fault detection technique

C714S776000, C341S058000

Reexamination Certificate

active

07149955

ABSTRACT:
A Hamming weight encoder includes an input that receives user data including P symbols and a Hamming weight module that determines a Hamming weight of N of said P symbols. N and P are integers greater than one and N is less than or equal to P. The Hamming weight encoder also includes a comparing module that compares the Hamming weight to a Hamming weight threshold and an inverting module that selectively bitwise inverts bits in said N symbols based on said comparison.

REFERENCES:
patent: 6011666 (2000-01-01), Wakamatsu
patent: 6456208 (2002-09-01), Nazari et al.

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