Method and device for security isolation
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United States of America Patent
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Feb 27, 2018
Issued Date -
N/A
app pub date -
Jan 4, 2012
filing date -
Jan 11, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed are a method and device for security isolation. The method comprises: when a relay device receives a handover request message, if the handover request message contains reestablishment information for another cell, then when a user equipment is successfully handed over to a cell of the relay device or is successfully reestablished in the cell of the relay device, the relay device requesting a piece of key information from core network equipment. In embodiments of the present invention, the probability of successful reestablishment during UE handover is increased, and the probability of handover failure is reduced, also, as the key is isolated, communication security of the user is ensured.
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