Method and communication device for routing unicast and multicast messages in an ad-hoc wireless network
US8520673B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Oct 23, 2006 |
| Grant date | Aug 27, 2013 |
| Priority date | — |
| Expiry date | Nov 9, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W84/005
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and communication device for routing unicast and multicast messages. The method for routing a unicast message includes receiving a first control packet including routing parameters from a group header node, updating a routing table based upon the routing parameters, receiving a second control packet including additional routing parameters from a group node, updating the routing table based upon the additional routing parameters and generating a forwarding table from the routing table when both of the updated steps are completed. The unicast message is routed based upon the forwarding table. A method for routing a multicast message comprises receiving the multicast message, determining if a multicast group destination for the multicast message is in a multicast forwarding table (MFT), determining if the multicast message has been previously forwarded and forwarding the multicast message if the message was not previously forwarded and the multicast group destination is in the MFT.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.