Patent ID: 8983473
Filing Date: 2015-03-17
Classification: H04W

Abstract:
1. A radio base station that performs radio communication with a radio terminal capable of performing handover among a plurality of radio communication systems in which attainable communication rates are different from each other, comprising: a control unit configured to determine offset information corresponding to a communication service being used by the radio terminal, transmit the offset information to the radio terminal, and decide a radio communication system of handover destination among the plurality of radio communication systems based on a communication service being used by the radio terminal, a table indicating a correspondence relation between a classification of the communication service and the plurality of radio communication systems, and a measurement report received from the radio terminal, said measurement report adjusted by the radio terminal based on the transmitted offset information; and a transmission unit that transmits a command for a handover toward a radio base station of the radio communication system decided by the control unit, to the radio terminal, wherein in the table, each of the plurality of radio communication systems corresponds to the classification of the communication service according to an attainable communication rate of each of the plurality of radio communication systems.