Managing wireless communication with limited channels
US7974238B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2006 |
| Grant date | Jul 5, 2011 |
| Priority date | — |
| Expiry date | Mar 29, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W76/18
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Communications between a central station and plural nodes is managed at the central station. The central station has an answer channel, a number of data channels, and a data channel manager. A node transmits a channel request, which is received by the answer channel. The answer channel queries the data channel manager, which determines if a data channel is available. If so, then the answer channel passes the node's request to the open data channel, which then communicates with the node. The answer channel is freed to handle channel requests from other nodes. The node is unaware of the passing off as the node does not change the address for the central station. A data channel is freed to communicate with other nodes by either receiving a disconnect message from the node or by timing out the connection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.