Multi-dimensional LDPC coded modulation for high-speed optical transmission systems
US8219874B2 · kind B2 · utility
11Cited by
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13Claims
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Key dates
| Filing date | Aug 4, 2009 |
| Grant date | Jul 10, 2012 |
| Priority date | — |
| Expiry date | Oct 13, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M13/116
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Arbitrarily high data transmission rates may be achieved by the use of N-dimensional, LDPC-coded modulation. N orthonormal basis functions are employed using coherent reception, resulting in a proportional increase in transmission rate with only a modest increase in bit-error ratio.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.