CPC H04W 76/15 (2018.02) [H04W 24/10 (2013.01); H04W 36/0058 (2018.08); H04W 36/0069 (2018.08); H04W 76/19 (2018.02); H04W 76/27 (2018.02)] | 21 Claims |
1. A method performed by a user equipment (UE) comprising:
detecting a failure relating to a connection between the UE and a Master Cell Group (MCG);
providing, to a master node via a Secondary Cell Group (SCG), a Radio Resource Control (RRC) MCG Failure Information message relating to the detected failure;
receiving, from the master node via the SCG, an RRC Reconfiguration message indicating to the UE to perform a connection reconfiguration with sync and update a security key; and
responsive to the RRC Reconfiguration message, performing a random access procedure.
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