CPC H04W 56/0015 (2013.01) [H04W 4/70 (2018.02); H04W 8/005 (2013.01); H04W 56/002 (2013.01); H04W 76/14 (2018.02)] | 27 Claims |
15. A user equipment (UE) comprising:
at least one processor; and
a non-transitory computer readable storage medium storing programming for execution by the at least one processor, the programming including instructions to cause the UE to perform operations including:
receiving a discovery signal identifying a second UE;
determining a signal quality of the discovery signal;
configuring the UE as a master device or a slave device for device-to-device (D2D) communications with the second UE in accordance with the discovery signal; and
transmitting a second discovery signal, the second discovery signal indicating a timing reference between the UE and the second UE in accordance with the signal quality.
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