| 摘要 |
The present invention relates to an apparatus and a method for transmitting data in a heterogeneous-network wireless communications system. According to the present invention, a method of user equipment for transmitting uplink data comprises: a step of receiving radio bearer configuration information for dual connectivity from a master eNB; a step of configuring an identical radio bearer corresponding to both the master eNB and at least one secondary eNB in the user equipment based on the radio bearer configuration information; a step of transmitting the data of a master logical channel mapped onto the identical radio bearer to the master eNB; and a step of transmitting the data of a secondary logical channel mapped onto the identical radio bearer to the secondary eNB. |
