Patent ID: 9686786
Date: 2017-06-20
CPC Classifications: H04W

Claim:
1. A method for updating base station information by a base station of a first communication system in a converged network for supporting a plurality of communication systems, the method comprising: when information associated with a base station of a second communication system is changed or information associated with the base station of the first communication system is changed, receiving a first message comprising the changed information, from the base station of the second communication system, an RRC connection setup being completed between the base station of the first communication system and the base station of the second communication system; updating the changed information based on the first message; transmitting the changed information to a user equipment; transmitting a second message for a scanning request to the user equipment; wherein the second message comprises a reason for the scanning request and information indicating the base station of the second communication system, the reason indicating the information of the base station of the second communication system is updated; and receiving a third message comprising a corresponding scanning result from the user equipment, wherein the first communication system and the second communication system each use a different radio access technology (RAT).