| 摘要 |
<p>Various embodiments of a relay using device-to-device communications in an infrastructure-based communications system are disclosed. An embodiment of the present invention comprises the steps of: communicating, by a first user terminal, with a second user terminal in a device-to-device communications method; being informed that the first user terminal is determined as a relay master from the second user terminal; and relaying, by the first user terminal, communications between a base station and a relay slave which is the second user terminal or a third user terminal.</p> |
