USER DEVICE, BASE STATION, WIRELESS RESOURCE SELECTION METHOD, AND WIRELESS RESOURCE NOTIFICATION METHOD

摘要

A user apparatus configured to select a discovery resource from a predetermined radio resource, and to transmit a discovery signal using the discovery resource, including: means that receives, from a plurality of base stations, radio resource information indicating a radio resource by which a discovery signal can be transmitted; means that detects a common region of radio resources by which a discovery signal can be transmitted between the plurality of base stations based on a plurality of pieces of radio resource information received from the plurality of base stations; and means that selects a discovery resource from a radio resource of the common region, and transmits a discovery signal by using the discovery resource.