Duplicate message detection and mending of garbled messages
US6381241B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1997 |
| Grant date | Apr 30, 2002 |
| Priority date | — |
| Expiry date | Sep 30, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/02
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for detecting duplicate messages and correcting garbled messages in a wireless communication device are provided. According to one aspect of the present invention, erred messages received by a wireless communication device are corrected. A first message fragment is received by the wireless communication device. The first message fragment is corrected based upon a second message fragment after it has been determined that the first message fragment contains one or more errors. According to another aspect of the present invention, a wireless communication device includes a receiver configured to receive messages transmitted over a forward channel from a messaging system; a transmitter configured to transmit responses over a reverse channel to the messaging system; and a processor. The processor is coupled to the receiver to receive messages from the messaging system. The processor is further coupled to the transmitter to transmit acknowledgments to the messaging system. Additionally, the processor is configured to correct garbled messages by determining whether or not a second message is a duplicate of the garbled message. If the second message is a duplicate of…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.