Error detection/correction and fault detection/recovery – Pulse or data error handling – Error count or rate
Patent
1998-02-23
2000-12-12
Baker, Stephen M.
Error detection/correction and fault detection/recovery
Pulse or data error handling
Error count or rate
714775, H04L 700, H03M 1133
Patent
active
061612030
ABSTRACT:
A digital subscriber line communication system does not require the use of a plain old telephone service (POTS) splitter in the resident's home. Digital signal processing is utilized to adapt to varying subscriber line conditions coming from POTS telephone equipment. The digital subscriber line modem includes a control circuit that utilizes a Reed-Solomon decoder and a synchronization error generator. The Reed-Solomon decoder provides a frame error signal, and the synchronization error generator responds to the frame error signal to generate a synchronization error signal. The synchronization error generator is configured as a leaking integrator to provide the synchronization error signal in response to a relatively large number of frame error signals occurring in a period of time. A resynchronization operation is performed in the modem in response to the synchronization error signal.
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Haque Jamal
Ko Kenneth D.
Patravali Shrenik P.
Rodriguez Manuel I.
Souders Keith A.
Baker Stephen M.
Conexant Systems Inc.
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