Patent ID: 8948112
Filing Date: 2015-02-03
Classification: H04L,H04W

Abstract:
1. A base station apparatus which communicates with a mobile station apparatus using a plurality of component carriers, the base station apparatus comprising: a transmitting unit configured to: transmit using a higher layer signal, to the mobile station apparatus, first information used for configuring a physical uplink control channel resource; transmit using the higher layer signal, to the mobile station apparatus, second information used for configuring a plurality of physical uplink control channel resources; transmit using a physical downlink control channel, to the mobile station apparatus, third information used for determining one physical uplink control channel resource from among the plurality of physical uplink control channel resources; and a receiving unit configured to: receive in a sub-frame, from the mobile station apparatus, a scheduling request using the physical uplink control channel resource configured based on the first information; receive in a sub-frame, from the mobile station apparatus, Hybrid Automatic Repeat Request (HARQ) control information using the one physical uplink control channel resource determined based on the second information and the third information; wherein in a case that a reception of the HARQ control information using the one physical uplink control channel resource determined based on the second information and the third information coincides with a sub-frame for a reception of the scheduling request, the receiving unit is configured to receive in the sub-frame for the reception of the scheduling request, the HARQ control information and the scheduling request using the one physical uplink control channel resource determined based on the second information and the third information.