Key derivation method and apparatus for local access under control of a cellular network
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United States of America Patent
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Apr 10, 2018
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N/A
app pub date -
May 23, 2012
filing date -
May 23, 2012
priority date (Note) -
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Abstract
A method for key derivation may comprise: generating a second key based at least in part on a first key for a first connection between a user equipment and a first network node, in response to a decision to enter an idle mode; releasing the first connection to enter the idle mode; providing an identity of the user equipment to the first network node via a second network node, in response to initiating a setup procedure for a second connection between the user equipment and a second network node; and using the second key for the second connection, in response to receiving from the second network node an indication that the identity of the user equipment is successfully verified at the first network node.
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