| 摘要 |
Embodiments of the present invention provide a D2D terminal, a system, and a D2D discovery method. The D2D terminal provided in the present invention comprises: a receiving module, used for receiving a first DDM broadcast by a neighboring terminal at a first preset power, the first DDM comprising user information of the neighboring terminal; an acquiring module, used for acquiring, according to the first DDM received by the receiving module, information of a link between the acquiring module and the neighboring terminal; a time determining module, used for determining a time interval for broadcasting a second DDM according to the information, acquired by the acquiring module, of the link between the acquiring module and the neighboring terminal; and a sending module, used for broadcasting the second DDM at a second preset power according to the time interval determined by the time determining module. Embodiments of the present invention solve the problem that a D2D discovery mode of a D2D terminal in the prior art causes great energy consumption of the D2D terminal because the D2D terminal performs D2D discovery at a fixed period. |
