Method and apparatus for delineating data in an FEC-coded Ethernet frame
US7152199B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 12, 2004 |
| Grant date | Dec 19, 2006 |
| Priority date | — |
| Expiry date | Feb 13, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L7/048
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
One embodiment of the present invention provides a system that facilitates construction of a forward error correction (FEC) coded Ethernet frame. The system generates a number of FEC parity bits for the conventional Ethernet frame and inserts a start sequence before the conventional Ethernet frame. Next, the system appends an even- or odd-delimiter to the conventional Ethernet frame. The even-delimiter and the odd-delimiter are selected such that there is a sufficiently large Hamming distance between them, thereby reducing the probability of mistaking the even-delimiter for the odd-delimiter, or mistaking the odd-delimiter for the even-delimiter, if bit error occurs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.