Back channel communication
US8418004B2 · kind B2 · utility
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17Claims
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Assignee
Inventors
Key dates
| Filing date | Mar 14, 2011 |
| Grant date | Apr 9, 2013 |
| Priority date | — |
| Expiry date | Jun 4, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B3/32
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Various embodiments are described for back channel communication. One embodiment is a method that comprises receiving data at customer premises equipment (CPE), determining at least one error in the received data, formatting the determined error for communication to a central office (CO), and sending the formatted error to the CO via a back channel, wherein the formatted error is sent between sync frames of a discrete multitone (DMT) superframe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.