| CPC H04W 48/16 (2013.01) [H04W 52/365 (2013.01)] | 15 Claims |

|
1. A method performed by a terminal in a wireless communication system, the method comprising:
receiving, from a first base station, a radio resource control (RRC) message including configuration information for a secondary cell group (SCG) including at least one serving cell associated with a second base station, wherein the RRC message is for activation or deactivation of the SCG; and
in case that the SCG activation is indicated by the RRC message:
performing the SCG activation based on the RRC message; and
performing an initialization of a suspended configured uplink grant type 1 associated with a primary secondary cell (PSCell) associated with the SCG.
|