公开(公告)号：US20160337848A1

公开(公告)日：2016-11-17

申请号：US15221442

申请日：2016-07-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Junren Chang ,  Hao Bi ,  Yi Guo ,  Dongmei Zhang ,  Bo Lin

IPC: H04W12/04

CPC classification number: H04W12/04 ,  H04L9/0891 ,  H04L63/062 ,  H04L2463/061 ,  H04W36/0038 ,  H04W36/0069 ,  H04W36/06 ,  H04W88/08

Abstract: The present invention provides a security key change method and a user equipment (UE). The method performed by the UE includes: receiving a key change command message from a master eNodeB (MeNB), wherein the key change command message comprises an indication that a change of a security key between the UE and a secondary eNodeB (SeNB), and the UE is configured with a dual connectivity between the MeNB and the SeNB; updating a security key between the UE and the SeNB; performing random access to the SeNB; and sending a key change complete message to the MeNB.

Abstract translation: 本发明提供一种安全密钥改变方法和用户设备（UE）。 所述UE执行的方法包括：从主节点（MeNB）接收密钥改变命令消息，其中所述密钥改变命令消息包括所述UE与所述辅助eNodeB（SeNB）之间的安全密钥的改变的指示，以及 UE配置有MeNB和SeNB之间的双重连接; 更新UE与SeNB之间的安全密钥; 执行对SeNB的随机访问; 并向MeNB发送密钥更改完成消息。