Mobile communication method and radio base station

摘要

A mobile communication method according to the present invention includes a process of transmitting information regarding a PCell#1 and a Scell#1 connected by a mobile station UE in control of a radio base station eNB#2 to a radio base station eNB#3 from the radio base station eNB#2 when the mobile station UE that is performing CA communication executes handover from the control of the radio base station eNB#2 to the control of a radio base station eNB#3 in at least one of an uplink or a downlink.

主权项

1. A mobile communication method comprising:
when a mobile station performing communication using a primary carrier and a sub-carrier having different carrier frequencies in at least one of an uplink and a downlink executes handover from under control of a first radio base station to under control of a second radio base station, a step of transmitting, from the first radio base station to the second radio base station, information regarding a serving cell of the primary carrier and a serving cell of the sub-carrier to which the mobile station was connected under the control of the first radio base station, wherein in the step of transmitting, the first radio base station transmits, to the second radio base station, a duration of time in which the mobile station was connected in the serving cell of the primary carrier as the information regarding the serving cell of the primary carrier, and a duration of time in which the mobile station configured and activated the serving cell of the sub-carrier as the information regarding the serving cell of the sub-carrier.