Patent ID: 9516638
Filing Date: 2016-12-06
CPC Classification: H04L,H04W

Claim Text:
1. A method of transmitting a device-to-device (D2D) semi-persistent scheduled (SPS) signal by a first user equipment in a wireless communication system supporting a D2D communication, the method comprising: receiving priority information of the D2D SPS signal from a base station, the priority information of the D2D SPS signal is information to configure a priority of a transmission of the D2D SPS signal; when the transmission of the D2D SPS signal and a transmission of a signal to the base station are collided with each other in a specific subframe, determining whether the D2D SPS signal is transmitted or the signal to the base station is transmitted based on the priority information; when the priority information of the D2D SPS signal indicates a priority higher than a priority of the signal to the base station, transmitting the D2D SPS signal to a second user equipment: and when the priority information of the D2D SPS signal indicates a priority lower than a priority of the signal to the base station, transmitting the signal to the base station.