Patent ID: 9681409
Date: 2017-06-13
CPC Classifications: H04W

Claim:
1. A method, performed by a first wireless device, for enabling Device-to-Device (D2D) communication with at least one second wireless device, the method comprising: obtaining, from a wireless network, a timing reference and a time offset; transmitting, to the at least one second wireless device, a Scheduling Assignment (SA) in accordance with the obtained timing reference, the SA comprising the time offset, wherein transmitting the Scheduling Assignment comprises transmitting the Scheduling Assignment to the at least one second wireless device via D2D communication, when the at least one second wireless device is in a Radio Resource Control (RRC) idle mode with respect to the wireless network; and transmitting data, to the at least one second wireless device, in accordance with an uplink timing, wherein the uplink timing is based on the time offset and the timing reference.