System for downlink data transmission on LTE D2D communications

摘要

Disclosed herein is to transmit D2D data using a downlink channel of LTE. That is, a system and method for transmitting downlink data on LTE D2D communications are disclosed, which can efficiently use an existing channel of LTE without providing a separate channel for the D2D communications. The system for transmitting downlink data on LTE D2D communications includes a first base station configured to wirelessly provide a mobile communication service; and a first terminal configured to receive the mobile communication service from the first base station, wherein the first terminal performs D2D communications with at least one of a second terminal configured to wirelessly receive the mobile communication service from the first base station, a third terminal configured to receive the mobile communication service from a second base station that wirelessly provides a mobile communication service in a different area from the first base station, and a fourth terminal which does not receive the mobile communication service.