MOBILE COMMUNICATION METHOD, MOBILE STATION, AND WIRELESS BASE STATION

摘要

An overhead for signaling in starting "Bearer split" in "Inter-eNB CA" is reduced. A mobile communication method according to the present invention includes the steps of: transmitting, a first radio base station eNB#1, an identifier of a radio base station eNB#2 and "Config copy indication", to a mobile station UE, "Config copy indication" instructing the mobile station UE to replicate "configuration" of a bearer #1, when the radio base station eNB#1 in a state where the bearer #1 is established with the mobile station UE determines to establish a bearer #2 between the mobile station UE and the radio base station eNB#2; and establishing, by the mobile station UE, the bearer #2 having the same "configuration" with "configuration" of the bearer #1 between the radio base station eNB#2 and the mobile station UE in accordance with the identifier of the radio base station eNB#2 and "Config copy indication".