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1. US20060098610 - Method for providing a mobile station with seamless coverage in a 2G/3G communication network and a WLAN

Office
United States of America
Application Number 11100059
Application Date 06.04.2005
Publication Number 20060098610
Publication Date 11.05.2006
Publication Kind A1
IPC
H04W 36/04
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
36Handoff or reselecting arrangements
04Reselecting a cell layer in multi-layered cells
H04W 36/14
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
36Handoff or reselecting arrangements
14Reselecting a network or an air interface
H04W 48/20
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
48Access restriction; Network selection; Access point selection
20Selecting an access point
Applicants SUNDBERG KRISTER
FARHOUDI IRAJ
Inventors Sundberg Krister
Farhoudi Iraj
Agents ERICSSON INC.
Priority Data 60625184 05.11.2004 US
Title
(EN) Method for providing a mobile station with seamless coverage in a 2G/3G communication network and a WLAN
Abstract
(EN)

A method is described herein that enables data traffic to be routed seamlessly to a mobile station which is located in a Second Generation/Third Generation (2G/3G) network and a Wireless Local Area Network (WLAN). In one embodiment of the present invention, the mobile station (MS) receives a signal (e.g., System Information (SI) signal) from a base station system (BSS) which informs the MS that it should check for the presence of one or more WLANs. The MS then scans for beacons that are emitted from one or more WLANs. Once, the MS receives a beacon from a WLAN it can access that WLAN. To access the WLAN, the MS could send a signal to the BSS informing the BSS and possibly a gateway GPRS service node (GGSN) that it has received a beacon from the WLAN. Then, the MS can receive a signal from the BSS (or GGSN) which contains information (e.g., password, encrypted key) that enables the MS to access the WLAN. Once, the MS is attached to the WLAN, then the GGSN or another common node can route data to the MS via the WLAN instead of via the BSS.


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