Sub-rate codes within the 10GBASE-T frame structure
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United States of America Patent
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Apr 25, 2017
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N/A
app pub date -
Jun 3, 2015
filing date -
Aug 13, 2012
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Abstract
A BASE-T Ethernet transceiver is disclosed. The transceiver includes a BASE-T Ethernet data framing module having an input interface to receive Ethernet block data bits at a first data rate, logic to associate the Ethernet block data bits with an auxiliary bit and a number of Reed-Solomon check bytes, and a forward error correction encoder. The encoder is coupled to the logic to encode all of the data bits, auxiliary bit and the Reed-Solomon check bytes into a first error encoded transport frame having plural error check bits. A symbol mapper receives the first error encoded transport frame and modulates the first error encoded transport frame into symbols, each of the symbols having uncoded bits. A BASE-T transmitter is coupled to the symbol mapper to transmit the first group of symbols over an Ethernet link at one of a selection of symbol rates. Errors in the uncoded bits are correctable via the Reed-Solomon check bytes.
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