Patent ID: 9712989
Date: 2017-07-18
CPC Classifications: H04W

Claim:
1. A communication control method that is used in a mobile communication system, comprising: a transmission step of transmitting, by a first user terminal that camps on a cell of a first base station, a direct discovery signal for discovering a proximal user terminal in proximity of the first user terminal; and a notification step of notifying, by a communication apparatus, the first base station of interference information in response to the communication apparatus receiving the direct discovery signal, wherein the interference information includes at least one of reception power of the discovery signal, transmission power control information of at least one of a discovery signal and a direct device-to-device communication signal, and identification of the user terminal, the direct discovery signal includes a cell identifier for identifying the cell of the first base station, and in the notification step, the communication apparatus notifies the first base station of the interference information on the basis of the cell identifier included in the direct discovery signal.