Excavating
Patent
1988-12-05
1991-04-23
Atkinson, Charles E.
Excavating
371 21, 371 32, G08C 2500
Patent
active
050105531
ABSTRACT:
A method of operating a high speed, error-free data transmission system in a noisy medium comprises compressing data determined to be compressible, forward error correcting the data and interleaving the data in a bit matrix memory to enhance the forward error correction. Digital information packets are formulated including a header bearing a packet number, the total packet byte count, any packet number resend request, the data byte count of the actual data and a CRC. The digital information packet is loaded onto a transmitter carousel having a fixed number of sectors. The receiver receives the data, requests resend of any packet (by number) that is defective, error corrects if necessary and sequentially loads the packet onto a receiver carousel. Packets or sequential packet groups are removed from the carousel, selectively decompressed and the data words extracted and sent to the output.
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Collins Aaron A.
Hansen Joseph M.
Scheller Clifford D.
Atkinson Charles E.
Camasto Nicholas A.
Compuquest, Inc.
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