Method and arrangement for improved channel switching
US8214870B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 4, 2007 |
| Grant date | Jul 3, 2012 |
| Priority date | — |
| Expiry date | Jul 21, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/64322
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a method of providing a channel/client status register to enable improved channel switching in an Internet Protocol network with a plurality of client nodes each capable of receiving video sessions over a plurality of channels from at least one video provider system, initially arranging S1 said plurality client 5 nodes into an associated group. A first client node, upon switching to or joining a new channel, transmitting S2 a channel update message to said associated group, said channel update message comprising an identity of said first client node, an identity of said new channel and a topological indication for said channel. Subsequent providing and updating S3 a respective channel/client 10 status register in each of said plurality of client nodes based on said transmitted channel update message, thereby enabling identification of what channels the client nodes in said associated group are associated with or viewing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.