Continuous byte-stream encoder/decoder using frequency increase

Details Continuous byte-stream encoder/decoder using frequency increase Continuous byte-stream encoder/decoder using frequency increase

1997-05-29

1999-05-25

Moise, Emmanuel L.

Excavating

371 51, 371 201, 371 55, 395850, G06F 1100

Patent

active

059075660

ABSTRACT:
A continuous byte stream encoder/decoder process where a continuous stream of ATM data cells is received with a plurality of words, where each word has a plurality of bits in parallel. The ATM data cell is analyzed and new control words are created to convey information such as Start-of-Cell, parity and synchronization signals for the serializer and deserializer chip set. These control words are combined with the data words of the ATM data cell to form a combined word stream. This word stream having a higher word transfer rate than the original ATM data cell. This combined word stream is fed to a known 8B/10B encoder which further modifies the data for proper transmission over an AC coupled serial path. Data from the 8B/10B decoder is then serialized through known serialization/deserialization chip sets passed over the serial path and then deserialized back into an recombined word stream. This word stream is decoded both with a 8B/10B decoder and with a frequency decreasing decoder to restore the data to its original data cell format.

REFERENCES:
patent: 4500955 (1985-02-01), Chang
patent: 4939735 (1990-07-01), Fredericks et al.
patent: 5177482 (1993-01-01), Cideciyan et al.
patent: 5299201 (1994-03-01), Carusone, Jr. et al.
patent: 5638518 (1997-06-01), Malladi

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