Patent ID: 9450667
Filing Date: 2016-09-20
CPC Classification: H04B,H04W

Claim Text:
1. A control node comprising a transmitter and a receiver for respectively transmitting and receiving wireless data, a storage medium for storing information of a first device and a second device, and a processing circuit coupled to the transmitter, the receiver, and the storage medium and is configured for executing: establishing with the first device a first radio resource control (RRC) connection, and receiving from the first device a caller indicator and a D2D identification (ID) of the second device during establishing the first RRC connection, wherein the D2D ID of the second device is embedded in a first RRC message after the first device completes setup of the first RRC connection; establishing with the second device a second RRC connection, and receiving from the second device a callee indicator and the D2D ID of the second device during establishing the second RRC connection, wherein the D2D ID of the second device is embedded in a second RRC message after the second device completes setup of the second RRC connection; requesting service from a network; searching for the first device with the caller indicator and the D2D ID of the second device; and arranging a device to device (D2D) communication between the first device and the second device based on at least the caller indicator and the callee indicator when a first condition has been satisfied.