Virtual visitor location register for a wireless local area network
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United States of America Patent
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Jul 12, 2011
Grant Date -
N/A
app pub date -
Jun 7, 2010
filing date -
Jun 3, 2002
priority date (Note) -
In Force
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Abstract
A multi-mode mobile station is able to wirelessly communicate with a wireless wide area network (WWAN) and with a wireless local area network (WLAN). The WLAN includes a “virtual” visitor location register (VVLR) for storing information about multi-mode mobile stations being served by the WLAN. The VVLR communicates with a home location register (HLR) in the WWAN in order to facilitate roaming between the WWAN and WLAN by the multi-mode mobile station.
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