Push-to talk over Ad-Hoc networks
US7394798B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 13, 2004 |
| Grant date | Jul 1, 2008 |
| Priority date | — |
| Expiry date | Mar 29, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W84/08
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The invention proposes a network system comprising a plurality of network nodes (10, 11), each of the network nodes comprising means (103, 113) for temporarily forming a group with at least one of the plurality of network nodes, sending means (101, 111) for sending information (which may include voice, text message, images etc.) to the group and receiving means (102, 112) for receiving information from the group, wherein the sending means and the receiving means are configured to provide a direct contact via a radio connection (12) between at least two network nodes of the group. The invention also proposes a corresponding method, a corresponding network node and network control nodes for assisting in forming temporary groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.