| 摘要 |
<p>A mobile device in a communication system executes transmitting and/or receiving in any of sequential slots each having a fixed time interval. The mobile device receives downlink data from a base station and indicates a successful receipt or an unsuccessful receipt of the downlink data to the base station. In a case of the unsuccessful receipt, the mobile device receives retransmission downlink data from the base station in a slot that is equal to or more than a first number of slots after a slot in which the downlink data has been received. The mobile device activates reception for the retransmission downlink data in the slot that is the first number of slots after the slot in which the downlink data has been received.</p> |
