Frame-interleaving systems and methods for 100G optical transport enabling multi-level optical transmission
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United States of America Patent
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Jul 3, 2012
Grant Date -
Jul 2, 2009
app pub date -
Dec 26, 2007
filing date -
Dec 26, 2007
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Abstract
The present invention provides frame-interleaving systems and methods for Optical Transport Unit K (OTUK) (i.e. Optical Transport Unit 4 (OTU4)), 100 Gb/s Ethernet (100 GbE), and other 100 Gb/s (100 G) optical transport enabling multi-level optical transmission. The frame-interleaving systems and methods of the present invention support the multiplexing of sub-rate clients, such as 10×10 Gb/s (10 G) clients, 2×40 Gb/s (40 G) plus 2×10 G clients, etc., into two 50 Gb/s (50 G) transport signals, four 25 Gb/s (25 G) transport signals, etc. that are forward error correction (FEC) encoded and carried on a single wavelength to provide useful, efficient, and cost-effective 100 G optical transport solutions today. In one exemplary configuration, a 100 G client signal or 100 G aggregate client signal carried over two or more channels is frame-deinterleaved, followed by even/odd sub-channel FEC encoding and framing. In another exemplary configuration, a 100 G client signal or 100 G aggregate client signal carried over two or more channels is received and processed by a single 100 G FEC framer, followed by frame-deinterleaving into two or more sub-rate channels.
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- CIENA CORPORATION
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Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Mateosky, John P | West River, US | 25 | 467 |
Meagher, Kevin S | Bowie, US | 11 | 281 |
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