Patent ID: 9106390
Filing Date: 2015-08-11
Classification: H04B,H04L,H04W

Abstract:
1. A base station apparatus in a mobile communication system in which a mobile station apparatus transmits, to the base station apparatus, uplink data on a physical uplink shared channel assigned by using a permission signal transmitted on a physical downlink control channel, the base station apparatus comprising: a transmitting unit which is configured to transmit on the physical downlink control channel, to the mobile station apparatus, the permission signal including a first indication for permitting the mobile station apparatus to transmit reception quality information together with the uplink data on the physical uplink shared channel assigned by using the permission signal transmitted on the physical downlink control channel, wherein the transmitting unit which is configured to transmit on the physical downlink control channel, to the mobile station apparatus, the permission signal including a second indication for permitting the mobile station apparatus to transmit the reception quality information without the uplink data on the physical uplink shared channel assigned by using the permission signal transmitted on the physical downlink control channel, and the second indication is specified based on values to which a plurality of fields of information included in the permission signal transmitted on the physical downlink control channel are set, one of the plurality of fields is a field for permitting the mobile station apparatus to transmit the reception quality information and another is a field for a modulation and coding scheme.