Authentication of mobile devices via proxy device
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United States of America Patent
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-
Apr 10, 2007
Grant Date -
Nov 4, 2004
app pub date -
Apr 30, 2004
filing date -
May 2, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A mechanism to permit the cryptographic authentication of a mobile device in the cellular carrier's network when the device is present in the 802.11 network, wireless LAN, served by a Cellular Controller and not connected directly to the cellular carrier's network via a radio link is disclosed. The Cellular Controller acts as a proxy for the mobile device when the device is in a building served by an 802.11 wireless LAN. The solutions features the separation of a mobile device's radio function from its ANSI-41 authentication mechanism to permit the proxy function to work and to not have to duplicate the ANSI-41 authentication data and CAVE algorithm.
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