Patent ID: 9713142
Date: 2017-07-18
CPC Classifications: H04W

Claim:
1. A method for establishing, by a master eNodeB (MeNB) in dual connectivity, data radio bearers (DRBs) in a wireless communication system, the method comprising: receiving an E-RAB setup request message from a mobility management entity (MME); transmitting a request message, which includes information on E-UTRAN radio access bearers (E-RABs) to be set up, to a secondary eNB (SeNB) in dual connectivity through an X2 interface; receiving a response message, which includes radio resource control (RRC) connection reconfiguration related information based on the E-RABs to be set up, as a response to the request message from the SeNB through the X2 interface; and upon receiving the response message, transmitting an RRC connection reconfiguration message, which includes the RRC connection reconfiguration related information received via the response message, to a user equipment (UE).