TERMINAL APPARATUS, INTEGRATED CIRCUIT, WIRELESS COMMUNICATION METHOD, AND BASE STATION APPARATUS

摘要

A mobile station apparatus and a base station apparatus each efficiently transmit and/or receive, using a PUCCH, a HARQ-ACK for a transport block transmitted on a PDSCH. In a case where an EPDCCH candidate corresponding to a first EPDCCH-PRB-set and an EPDCCH candidate corresponding to a second EPDCCH-PRB-set correspond to the same resource elements and furthermore a same value of a DMRS scrambling sequence initialization parameter is configured for the two EPDCCH-PRB-sets and DCI formats with the same payload size are monitored for the two EPDCCH candidates, then a terminal apparatus determines a first ECCE number based on the first EPDCCH-PRB-set to determine a PUCCH resource for transmission of HARQ-ACK.