Adaptive rate code combining automatic repeat request (ARQ)...

Details Adaptive rate code combining automatic repeat request (ARQ)... Adaptive rate code combining automatic repeat request (ARQ)...

2006-02-28

2006-02-28

Chase, Shelly (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

Reexamination Certificate

active

07007218

ABSTRACT:
A method and system reduces data error in an automatic repeat request (ARQ) communications system. Data is code-combined in a communications session that uses an automatic repeat request protocol by sending alternate phases of an encoder state. The underlying signaling constellation is changed when code-combining performance degrades. An optimal signaling constellation and code rate can be determined from a previous packet acknowledgment (ACK) status or from a look-up table previously determined by use.

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