System and method for forward error correction decoding...

Details System and method for forward error correction decoding... System and method for forward error correction decoding...

2008-07-08

2008-07-08

Torres, Joseph D. (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S776000

Reexamination Certificate

active

11018056

ABSTRACT:
A system and method for soft decision forward error correction (FEC) decoding may be used to determine a possible error in a differential detection signal, for example, in a DPSK system. The system and method uses the constructive and destructive signals from a demodulator to provide an error locating signal. Using the error locating signal, the system and method converts the differential detection signal into a soft decision signal including multi-level soft values.

REFERENCES:
patent: 5706313 (1998-01-01), Blasiak et al.
patent: 6320920 (2001-11-01), Beyke
patent: 6522436 (2003-02-01), Roberts et al.

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