USER DEVICE AND SIGNAL TRANSMISSION/RECEPTION METHOD

摘要

A user apparatus that performs D2D communication by radio, including: signal transmission means that transmits a signal including a destination identifier of a physical layer associated with a destination identifier of an upper layer which is a layer higher than the physical layer; and signal reception means that detects a signal addressed to the user apparatus by detecting an identifier, of the physical layer of the user apparatus, that is associated with an identifier of the upper layer of the user apparatus from a signal received by radio.