Patent ID: 9667523
Date: 2017-05-30
CPC Classifications: H04L,H04W

Claim:
1. A method for performing a network deployment state test by a terminal in a mobile communication system, the method comprising: receiving a logged measurement configuration message including a minimization of drive test (MDT)_public land mobile network (PLMN) list from a base station; and performing an MDT process if a registered PLMN of the terminal is one of MDT_PLMNs in the MDT_PLMN list, wherein the registered PLMN is a PLMN in which the terminal is registered and an MDT_PLMN is a PLMN in which the terminal is allowed to perform the MDT process, and wherein the MDT_PLMN list is received, by the base station, through at least one of an initial context setup request message and a handover request message from a mobility management entity (MME).