Method for dynamically selecting a channel in a wireless...

Details Method for dynamically selecting a channel in a wireless... Method for dynamically selecting a channel in a wireless...

2011-01-04

2011-01-04

Pérez-Gutiérrez, Rafael (Department: 2617)

Multiplex communications

Communication over free space

Using trunking

C455S166200, C370S338000

Reexamination Certificate

active

07864744

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.

REFERENCES:
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R. Durand et. al. “Channel Selection” IEEE 802. 11-05/1066RO (Online) Nov. 3, 2005, p. 1-9, XP002382022 Retrieved from the Internet: URL:ftp://ftp.802wirelessworld.com/11/05/> (retrieved on May 22, 2006) *p. 3, paragraph 7.4.2-p. 5 paragraph 7.4.2.4* p. 7, paragraph 7.4.2.5.-p. 8, paragraph 7.4.2.6*.
Search Report dated May 22, 2006.

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