System and method for automatically rescheduling a data transmission to members of a group
US6453438B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 30, 1999 |
| Grant date | Sep 17, 2002 |
| Priority date | — |
| Expiry date | Aug 30, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/08
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
This invention relates to a system and method for managing a session during which data is sent to receivers, wherein retransmission of the data to the receivers can be automatically rescheduled if the receiver did not receive some or all of the data. An object of the invention is to send content to receivers that did not or could not receive data during a multicast data transmission session. In accordance with this and other objects of the invention, one aspect of the invention relates to a method of managing a session during which data is sent to receivers. A first message is sent over a network a message to a list comprising at least one receiver, the first message relating to receiving data during a first session. Replies are received over the network from the receivers on the list. Based on the replies received, each receiver on the list that will not be receiving data during the first session is identified. After the first session is complete, a second message is sent over the network to the receivers identified as not receiving data during the first session. The second message relates to receiving data during a second session. In this manner, receivers that did not receive da…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.