Efficient remote PHY dataplane management for a cable system
US12057882B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2023 |
| Grant date | Aug 6, 2024 |
| Priority date | — |
| Expiry date | Sep 20, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/6168
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A cable distribution system that includes a headend connected to a plurality of customer devices through a transmission network that includes a remote fiber node that converts digital data to analog data suitable for the plurality of customer devices. The remote fiber node receiving a downstream external protocol interface packet that includes a header portion and a data portion in memory. The remote fiber node encoding and transmitting the data portion to at least one of the plurality of customer devices, wherein the data portion is transferred from the memory using direct memory access based upon a buffer descriptor for the encoding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.