METHOD FOR CHANNEL SCANNING AND SWITCHING TO AVOID CHANNEL CONGESTION IN WIRELESS LAN AND APPARATUS THEREFOR

The present invention relates to a method performed by an access point (AP) in a wireless LAN (WLAN) which comprises the following steps of: scanning all channels to determine an optimal channel; performing channel connection to a station (STA) by using the determined optimal channel; scanning all t...

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Bibliographische Detailangaben
Hauptverfasser:	CHOE JAE HUN, JUNG HEE WON, SEO GUN, KIM GUE HEON
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY WIRELESS COMMUNICATIONS NETWORKS
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	The present invention relates to a method performed by an access point (AP) in a wireless LAN (WLAN) which comprises the following steps of: scanning all channels to determine an optimal channel; performing channel connection to a station (STA) by using the determined optimal channel; scanning all the channels periodically or based on determining that interference has occurred in a channel connected to the STA; and performing channel connection to the STA through a different channel based on a case in which quality of the different channel included in all the channels is better than that of the channel connected to the STA. 본 발명은 무선랜(WLAN)에서 액세스 포인트(access point, AP)에 의해 수행되는 방법에 있어서, 전체 채널을 스캐닝하여 최적의 채널을 결정하는 단계; 상기 결정된 최적의 채널로 STA(station)에 채널 연결을 수행하는 단계; 주기적으로 또는 상기 STA에 연결된 채널에 간섭이 발생하였다고 판단함에 기초하여, 상기 전체 채널을 스캐닝하는 단계; 및 상기 STA에 연결된 채널 대비 상기 전체 채널에 포함된 타 채널의 품질이 더 우수한 경우에 기초하여, 상기 타 채널로 상기 STA과 채널 연결을 수행하는 것을 제공한다.