System and method for providing an improved channel encoder...

Details System and method for providing an improved channel encoder... System and method for providing an improved channel encoder...

2006-08-01

2006-08-01

Decady, Albert (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S790000

Reexamination Certificate

active

07085984

ABSTRACT:
A system and method is disclosed for providing an improved channel encoder in a digital data communication system. In one advantageous embodiment the invention comprises a channel encoder that comprises a first Turbo encoder, an interleaver, and a second Turbo encoder. Data from a source encoder is Turbo encoded in the first Turbo encoder, then interleaved, and then Turbo encoded in the second Turbo encoder. The data is then punctured and repeated in a symbol puncture and repetition unit. In an alternate advantageous embodiment of the invention, the first and second Turbo encoders are coupled in parallel. The data provided to one of the Turbo encoders is interleaved. The outputs of the first and second Turbo encoders are multiplexed and the result is provided to the symbol puncture and repetition unit. The invention provides low packet error rates when higher RF modulation is used.

REFERENCES:
patent: 5907582 (1999-05-01), Yi
patent: 6061387 (2000-05-01), Yi
patent: 6374386 (2002-04-01), Kim et al.
patent: 6397367 (2002-05-01), Park et al.
patent: 6553516 (2003-04-01), Suda et al.

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