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METHOD AND APPARATUS FOR IMPLEMENTING BEARER SPECIFIC CHANGES AS PART OF A CONNECTION RECONFIGURATION THAT IMPACTS THE SECURITY KEYS BEING USED
METHOD AND APPARATUS FOR IMPLEMENTING BEARER SPECIFIC CHANGES AS PART OF A CONNECTION RECONFIGURATION THAT IMPACTS THE SECURITY KEYS BEING USED
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机译:用于实现承载特定更改的方法和装置作为影响所使用的安全键的连接重新配置的一部分
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摘要
A method and apparatus provides for receiving a first connection reconfiguration message to configure at least one split bearer with a first logicalchannelidentity, terminated in the second cell group. A first security key for communication with the first cell group and a second security key for communication with the second cell group are applied. A second connection reconfiguration message is received, the second connection reconfiguration message including a counter having a count value for deriving a third security key for communication with the second cell group, wherein the third security key that was derived for communication with the second cell group is based on the count value of the received counter. The third security key is applied for communication with the second cell group, while continuing to use the first security key and the first MAC entity for communication with the first cell group, where continuing to use the first MAC entity includes not resetting the first MAC entity.
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