Patent ID: 9713048
Date: 2017-07-18
CPC Classifications: H04W

Claim:
1. A method for measuring performed by a user equipment (UE) in a wireless communication system, the method comprising: camping on a serving cell operating on a serving frequency A; receiving a reselection priority information, the reselection priority information indicating signaled priorities for the serving frequency A, an inter-frequency B, and an inter-frequency C, wherein the signaled priority for the serving frequency A is lower than the signaled priority for the inter-frequency B, and the signaled priority for the serving frequency A is higher than the signaled priority for the inter-frequency C; applying a highest priority to the serving frequency A by performing an equal or lower priority frequency measurement for the inter-frequencies B and C, when a quality of the serving cell becomes lower than a predetermined threshold value; determining whether a logged measurement configuration for a logged minimization driving test (MDT) is received; and when the UE receives the logged measurement configuration for the MDT and a type of the serving cell is a predetermined type, applying the signaled priority for the serving frequency A, to the serving frequency A with respect to a measurement operation, and applying the highest priority to the serving frequency A with respect to a cell reselection operation, wherein a higher priority frequency measurement is performed for the inter-frequency B, and wherein an equal or lower priority frequency measurement is performed for the inter-frequency C.