High-speed Ethernet coding
OwnerRamin Farjad, Paul Langnerinventors
Life of this patent
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Abstract
A BASE-T Ethernet transceiver is disclosed. The transceiver includes a BASE-T Ethernet transmit circuit that employs a data framing module. The data framing module includes an input interface to receive Ethernet block data bits, and, forward error correction encoder is coupled to the logic to encode at least a first portion of the data bits to generate first error check bits. A Reed-Solomon (RS) encoder is coupled to the logic to encode at least a second portion of the data bits in accordance with a Reed-Solomon error code to generate second error check bits. A symbol mapper modulates the Ethernet block data bits in accordance with an SQ64 constellation comprising back-to-back PAM8 symbols.
Claims16
A BASE-T Ethernet transceiver comprising:
- a BASE-T Ethernet transmit circuit including
- a BASE-T Ethernet data framing module including
- an input interface to receive Ethernet block data bits,
- a first forward error correction (FEC) encoder coupled to the logic to encode at least a first portion of the data bits to generate first error check bits, and
- a second FEC encoder comprising a Reed-Solomon encoder coupled to the logic to encode at least a second portion of the data bits in accordance with a Reed-Solomon error code to generate second error check bits;
- and
- a symbol mapper including logic to modulate the Ethernet block data bits in accordance with an 64SQ constellation comprising back-to-back PAM8 symbols.
A method of transferring Ethernet data, the method comprising:
- framing BASE-T Ethernet data including
- receiving Ethernet block data bits,
- encoding at least a first portion of the data bits to in accordance with a first forward error correction (FEC) code to generate first error check bits, and
- encoding at least a second portion of the data bits in accordance with a second FEC comprising a Reed-Solomon error code to generate second error check bits;
- and
- modulating the Ethernet block data bits in accordance with an 64SQ constellation comprising back-to-back PAM8 symbols.
Dependencies are inferred from the claim text.