发明名称 |
Recovery from aborted integrity protection change |
摘要 |
A method, in a wireless communications device, comprising: receiving a new security mode configuration from a radio access network that is to replace an original security mode configuration as part of a security procedure; detecting, prior to completion of said security procedure, that a cell update message is to be sent to the network; transmitting a first cell update message to the network in accordance with the original security mode configuration; transmitting a second cell update message to the network in accordance with the new security mode configuration; receiving a cell update confirm message, the cell update confirm message sent by the network in accordance with a network determined security mode configuration; ascertaining if the network determined security mode configuration is either the original or new security mode configuration; and completing the cell update procedure in accordance with the ascertained security mode configuration. |
申请公布号 |
US8897750(B2) |
申请公布日期 |
2014.11.25 |
申请号 |
US201313857777 |
申请日期 |
2013.04.05 |
申请人 |
NVIDIA Corporation |
发明人 |
Rogers Tim |
分类号 |
H04M1/66;H04W12/10;H04W24/02 |
主分类号 |
H04M1/66 |
代理机构 |
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代理人 |
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主权项 |
1. A method, in a wireless communications device, of implementing a cell update procedure during a security mode configuration procedure, the method comprising:
receiving a new security mode configuration from a radio access network that is to replace an original security mode configuration as part of said security mode configuration procedure; detecting, prior to completion of said security mode configuration procedure, that a cell update message is to be sent to the radio access network; transmitting a first cell update message to the radio access network in accordance with the original security mode configuration; transmitting a second cell update message to the radio access network in accordance with the new security mode configuration; receiving a cell update confirm message from the radio access network, the cell update confirm message sent by the radio access network in accordance with a network determined security mode configuration; ascertaining if the network determined security mode configuration is either the original security mode configuration or the new security mode configuration; and completing the cell update procedure in accordance with the ascertained security mode configuration. |
地址 |
Santa Clara CA US |