Patent ID: 8112092
Filing Date: 2012-02-07
Classification: H04L,H04W

Abstract:
1. A mobile station apparatus comprising: a transmission grant signal receiving unit for receiving, from a base station apparatus, a transmission grant signal for uplink data; a channel state information acquiring unit for acquiring channel state information; and, a data transmitting unit for transmitting the uplink data to the base station apparatus, in case that the transmission grant signal is received, wherein in case that the transmission grant signal is a signal that includes a transmission request for channel state information and includes information designated for retransmission of the uplink data to the base station apparatus, the data transmitting unit transmits retransmission data of the uplink data having been transmitted to the base station apparatus, together with the channel state information that has been newly acquired by the channel state information acquiring unit based on the transmission request, to the base station apparatus.