METHOD AND DEVICE FOR UPDATING SYSTEM INFORMATION IN WIRELESS LAN SYSTEM

WIPO Patent Application WO/2014/027829

A1

The present invention relates to a wireless communication system, and more specifically, to a method and a device for updating system information in a wireless LAN system. A method for updating system information in a station (STA) of a wireless communication system, according to one embodiment of the present invention, can comprise the steps of: transmitting, by the STA which stores system information and a configuration change count value of a previously linked preferred access point (AP), a probe request frame for active scanning to the preferred AP; and receiving a probe response frame from the preferred AP. In this situation, the probe request frame includes a configuration change count field previously acquired from the preferred AP, and if a value of the configuration change count field included in the probe request frame is different from a present configuration change count value of the preferred AP, the probe response frame can include one or more elements of system information which should be updated by the STA.

WO/2022/161848	RECEIVING SEGMENTS OF SYSTEM INFORMATION BLOCK MESSAGE
WO/2006/043131	CELL RESELECTION FOR IMPROVING NETWORK INTERCONNECTION
WO/2024/063961	TECHNIQUES FOR SYSTEM INFORMATION BROADCAST IN A SERVICE-BASED WIRELESS SYSTEM

KIM JEONGKI (KR)
SEOK YONGHO (KR)
KWAK JINSAM (KR)
CHOI JINSOO (KR)
RYU KISEON (KR)
PARK GIWON (KR)

PCT/KR2013/007301

February 20, 2014

August 13, 2013

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LG ELECTRONICS INC (KR)

H04W48/14; H04W48/16

US20120176975A1	2012-07-12
KR20090090626A	2009-08-26
US20120039313A1	2012-02-16
US20120113869A1	2012-05-10

See also references of EP 2884804A4
None

KIM, Yong In et al. (KR)
김용인 (KR)

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