Coherent optical orthogonal frequency division multiplexing (OFDM) reception using self optical carrier extraction
US8718490B2 · kind B2 · utility
1Cited by
5References
8Claims
0Family size
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Key dates
| Filing date | Jul 31, 2008 |
| Grant date | May 6, 2014 |
| Priority date | — |
| Expiry date | Jul 12, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B10/63
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method includes producing interference between a received optical OFDM signal and an optical carrier extracted from the received optical OFDM signal to provide optical coherent detection of the received optical OFDM signal. Preferably, producing the interference includes optically splitting the received optical OFDM signal into a first part that is filtered to extract the carrier from the received optical OFDM signal and a second part similar to the received optical OFDM signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.