Generating and communicating source identification information to enable reliable communications
US9237101B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2008 |
| Grant date | Jan 12, 2016 |
| Priority date | — |
| Expiry date | Oct 23, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2001/0093
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method of generating Source Identification information from a source packet stream and reliably transmitting the Source Identification information from a source to a destination over a communications channel is provided. The method operates on a set of source packets, wherein Source Identification information for each source packet to be transmitted is derived and delivered with the Source Identification information of all or most other source packets of an associated source block. The method includes techniques to minimize the network bandwidth required to deliver Source Identification information and techniques to overcome network impairments. When combined with FEC techniques, retransmission techniques, or combinations of FEC techniques and retransmission techniques, the methods described herein allow receivers to recover lost source packets, while simultaneously ensuring that the original source packets are not modified and thereby ensuring backwards compatibility for legacy receivers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.