Patent ID: 9445412
Filing Date: 2016-09-13
CPC Classification: H04L,H04W

Claim Text:
1. A mobile station apparatus that communicates with a base station apparatus, the mobile station apparatus comprising: a control unit configured to configure a set of PRB (Physical Resource Block) pairs based on a higher layer signaling, the set of PRB pairs being for EPDCCH (Enhanced Physical Downlink Control CHannel) monitoring; and a reception unit configured to monitor an EPDCCH transmitted using a first number of ECCEs (Enhanced Control Channel Elements) on the set of PRB pairs, the set of PRB pairs being configured for localized EPDCCH transmission, wherein an antenna port used to transmit the EPDCCH is included in a second number of antenna ports, the first number is given by a ECCE aggregation number candidate set, in a case that the second number is four, the ECCE aggregation number candidate set is a first set, in a case that the second number is two, the ECCE aggregation number candidate set is a second set, the first set and the second set each consists of a plurality of candidates of ECCE aggregation numbers, and the first set is different from the second set.