Forward error correction coding in ethernet networks

Details Forward error correction coding in ethernet networks Forward error correction coding in ethernet networks

2002-04-25

2008-03-11

Chase, Shelly (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C715S781000

Reexamination Certificate

active

07343540

ABSTRACT:
A method for improving the bit error rate of Ethernet packets applies forward error correction (FEC) coding to transmitted packets. The FEC coding is systematic block coding, and is applied so that the coded packets can be interpreted by legacy network devices that are not capable of FEC decoding. The transmit and receive state machines of FEC-capable Ethernet nodes are modified to enable the nodes to encode and/or decode the packets with the FEC code, and to adapt the nodes' respective medium access layer (MAC) and physical layer (PHY) data rates.

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