| 摘要 |
A retransmission control method according to the present invention includes a physical control channel transmitting step of transmitting, at a transmitting side apparatus 10, a new data indicator updated upon transmission of a new packet, through a physical control channel associated with a physical data channel; and a transmission acknowledgement information transmitting step of performing, at a receiving side apparatus 30, decoding processing on a packet received through the physical data channel at a current transmission opportunity, and transmitting, at the receiving side apparatus 30, transmission acknowledgment information on the packet on the basis of a result of the decoding processing, even when the receiving side apparatus 30 has transmitted transmission acknowledgement information indicating a success of reception of a packet at a last transmission opportunity, and when a new data indicator received through the physical control channel at the current transmission opportunity is not updated.
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