Virtual visitor location register for a wireless local area...

Details Virtual visitor location register for a wireless local area... Virtual visitor location register for a wireless local area...

2011-07-12

2011-07-12

Nguyen, Tuan H (Department: 2618)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S432100, C455S435100

Reexamination Certificate

active

07979086

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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