Patent ID: 9325480
Filing Date: 2016-04-26
CPC Classification: H04J,H04L,H04W

Claim Text:
1. In a wireless network that includes a base station, a method for a first UE to perform device-to-device communication with a second UE, the method comprising: receiving a downlink signal from the base station; determining the reception time of the downlink signal; receiving an indication of a timing advance for uplink communications from the first UE to the base station; based on the determined downlink signal reception time and the indicated timing advance, determining an uplink transmission time for the first UE for uplink communications to the base station; and delaying, by a period of time relative to the determined uplink transmission time, device-to-device transmissions to the second UE, wherein the period of time is calculated, in part, by adding the timing advance for uplink communications from the first UE to the base station and a timing advance applied by the second UE for uplink communications to the base station.