TECHNIQUES TO PERFORM FORWARD ERROR CORRECTION FOR AN ELECTRICAL BACKPLANE
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Abstract
Techniques to perform forward error correction for an electrical backplane are described.
8 Citations
41 Claims
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1-20. -20. (canceled)
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21. At least one non-transitory machine accessible storage medium having instructions stored thereon, the instructions when executed on a machine, cause the machine to:
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receive data from a physical coding sublayer (PCS) of a physical layer, wherein the physical layer comprises a BASE-R physical layer; use the data to generate an FEC block comprising a shortened cyclic code comprising 32 rows of a particular number of bits, the particular number of bits comprise payload bits generated from output of the PCS and one or more bits of transcoding overhead, wherein the FEC block further comprises 32 parity bits at the end of the FEC block; scramble the FEC block using a pseudo-noise sequence; and send the FEC block to a physical medium attachment (PMA) sublayer of the physical layer. - View Dependent Claims (22, 23, 24, 25, 26)
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27. An apparatus comprising:
logic, implemented at least in part in hardware circuitry to; receive data from a physical coding sublayer (PCS) of a physical layer, wherein the physical layer comprises a BASE-R physical layer; use the data to generate an FEC block comprising a shortened cyclic code comprising 32 rows of a particular number of bits, the particular number of bits comprise payload bits generated from output of the PCS and one or more bits of transcoding overhead, wherein the FEC block further comprises 32 parity bits at the end of the FEC block; scramble the FEC block using a pseudo-noise sequence; and send the FEC block to a physical medium attachment (PMA) sublayer of the physical layer. - View Dependent Claims (28, 29, 30)
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31. A method comprising:
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receiving data from a physical coding sublayer (PCS) of a physical layer, wherein the physical layer comprises a BASE-R physical layer; using the data to generate an FEC block comprising a shortened cyclic code comprising 32 rows of a particular number of bits, the particular number of bits comprise payload bits generated from output of the PCS and one or more bits of transcoding overhead, wherein the FEC block further comprises 32 parity bits at the end of the FEC block; scrambling the FEC block using a pseudo-noise sequence; and sending the FEC block to a physical medium attachment (PMA) sublayer of the physical layer. - View Dependent Claims (32, 33, 34)
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37. A system comprising:
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a first device; and a second device comprising a network interface to couple to the first device over a network, wherein the network interface comprises a physical layer comprising a physical coding sublayer (PCS) and a forward error correction (FEC) sublayer, and the FEC sublayer is to; receive data from the PCS, wherein the physical layer comprises a BASE-R physical layer; use the data to generate an FEC block comprising a shortened cyclic code comprising 32 rows of a particular number of bits, the particular number of bits comprise payload bits generated from output of the PCS and one or more bits of transcoding overhead, wherein the FEC block further comprises 32 parity bits at the end of the FEC block; scramble the FEC block using a pseudo-noise sequence; and send the FEC block to a physical medium attachment (PMA) sublayer of the physical layer. - View Dependent Claims (38, 39, 40)
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41. A system comprising:
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means to receive data from a physical coding sublayer (PCS) of a physical layer, wherein the physical layer comprises a BASE-R physical layer; means to use the data to generate an FEC block comprising a shortened cyclic code comprising 32 rows of a particular number of bits, the particular number of bits comprise payload bits generated from output of the PCS and one or more bits of transcoding overhead, wherein the FEC block further comprises 32 parity bits at the end of the FEC block; means to scramble the FEC block using a pseudo-noise sequence; and means to send the FEC block to a physical medium attachment (PMA) sublayer of the physical layer.
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Specification