Communication method and apparatus

Details Communication method and apparatus Communication method and apparatus

2007-06-12

2007-06-12

Lamarre, Guy J. (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S789000, C375S368000, C370S324000, C370S503000, C370S510000

Reexamination Certificate

active

10470417

ABSTRACT:
In a frame sync method, a receiver searches for the presence of an N-symbol long unique word pattern. For each possible frame sync detected, the receiver proceeds to demodulation and FEC processing. After each iteration of the FEC decoder, the detected unique word pattern is compared to the expected one and the frame sync is detected if the number of unique word errors has decreased.

REFERENCES:
patent: 4649543 (1987-03-01), Levine
patent: 6771615 (2004-08-01), Park et al.

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