Patent ID: 9730231
Date: 2017-08-08
CPC Classifications: H04L,H04W,Y02D

Claim:
1. User equipment of a mobile communication system in which communication is performed between the user equipment and a base station by carrier aggregation, the user equipment comprising: a controller that executes timer control for deactivating a cell used for the carrier aggregation, based on expiration of a timer; and a receiver that receives, from the base station, setting information including a timer value of the timer used in the controller, wherein, when the receiver receives the setting information including a common timer value that is common for multiple cells used for the carrier aggregation and an individual timer value that is specified for each cell, the controller executes the timer control by applying the individual timer value to the specified cell, and when another cell is used for which no individual timer value is specified, the controller executes the timer control by applying the common timer value to the other cell.