BASE STATION DEVICE, MOBILE STATION DEVICE, COMMUNICATION METHOD, AND INTEGRATED CIRCUIT

摘要

The present invention has: a control unit constituted so as to be able to select one antenna port used for transmitting an EPDCCH on the basis of the remainder when the C-RNTI number of a mobile station device is divided by the number of ECCE used for the EPDCCH, in a case where an EPDCCH composed of one or a plurality of ECCE is transmitted using a localized transmission; and a transmission processing unit capable of transmitting the EPDCCH using the selected antenna port.