Mobile station authentication in tetra networks
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United States of America Patent
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Jul 24, 2012
Grant Date -
Feb 11, 2010
app pub date -
Sep 12, 2007
filing date -
Sep 13, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method in a communication system. The mobile station is provided with two or more separate subscriber modules having separate authentication identities. The modules are authenticated and a session key is established between these subscriber modules using the system as a trusted party. The invention improves the ability of the communication system to adjust to the varying operational conditions of the users, and user organizations.
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