Method for dynamically selecting a channel in a wireless local area network
US7864744B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2006 |
| Grant date | Jan 4, 2011 |
| Priority date | — |
| Expiry date | Nov 1, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W84/20
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Disclosed is a method of dynamical frequency selecting for a basic service set established by a main wireless device in a wireless local area network. The method comprises steps of a determining step for determining whether a new channel to be used by said BSS is needed; a scanning step conducted by said main wireless device for scanning all channels based on a random priority to detect whether other adjacent BSSs are existing and performing DFS concurrently; a measuring step conducted by said main wireless device based on the scanning result for existing operational BSSs for measuring channel quality of a plurality of channels; selecting one channel based on the channel quality parameters. The present invention advantageously provides a dynamic frequency selection method without any modification for the IEEE 802.11 standard, or any requirement for the implementation of the wireless stations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.