Method and arrangement for security activation detection in a telecommunication system
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United States of America Patent
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Apr 23, 2013
Grant Date -
Oct 14, 2010
app pub date -
Jul 30, 2008
filing date -
Oct 2, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A method and apparatus is provided for detecting the start of a secure mode by a user terminal (12) without explicit signaling. After the network (30) commands the user terminal to switch to secure mode and receives a data packet from the user terminal, the receiving network node (22) determines the security mode of the user terminal by determining whether valid security has been applied to the received data packet by the user terminal.
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