Patent ID: 8571542

Claim:
A method for reporting Minimization of Drive Tests (MDT) log by a mobile communication device communicating with a service network through a first signaling radio bearer and a second signaling radio bearer, the method comprising: receiving, by the mobile communication device, a request message on the first signaling radio bearer from the service network; determining, by the mobile communication device, whether the request message requests for the MDT log; transmitting, by the mobile communication device, a response message containing the MDT log on the second signaling radio bearer to the service network when the request message requests for the MDT log, wherein the response message transmitted by the mobile communication device further contains other information when the request message further requests for the other information in addition to the MDT log, and transmitting, by the mobile communication device, the response message which does not contain the MDT log on the first signaling radio bearer to the service network when the request message does not request for the MDT log.