Patent ID: 8811307

Claim:
A method of handling long term evaluation positioning protocol (LPP) data for a communication device in a wireless communication system, the method comprising: setting that a first message of a non-access stratum (NAS) layer has higher transmission priority than a second message of a long term evaluation positioning protocol (LPP) layer to transmit the first message of the NAS layer first; and establishing a signaling radio bearer (SRB) which has lower logical channel priority than a signaling radio bearer 2 (SRB2), and then transmitting the second message on the SRB; wherein the step of establishing the SRB which has lower logical channel priority than the SRB2 comprises: receiving a radio resource control (RRC) message for the SRB configuration from a network of the wireless communication system when the communication device is a mobile device; and establishing the SRB according to the received RRC message; wherein the first message of the NAS layer does not comprise any LPP protocol data unit (PDU).