Method and apparatus for deactivating secondary carriers in mobile communication system using carrier aggregation

摘要

A method and an apparatus for deactivating secondary carriers in a mobile communication system using carrier aggregation are provided. A communication method, for a User Equipment (UE), includes activating a secondary carrier, starting a first timer upon activation of the secondary carrier, starting a second timer when the first timer expires, and deactivating the activated secondary carrier when the second timer expires.

主权项

1. A method for controlling a secondary cell (SCell) by a terminal in a mobile communication system, the method comprising:
receiving, by the terminal, first information for activating an SCell from a base station; activating, by the terminal, the SCell; starting, by the terminal, a timer associated with the SCell; restarting, by the terminal, if second information for the activated SCell is received from the base station, the timer associated with the SCell; and if the timer expires, deactivating, by the terminal, the SCell and applying one or more corresponding actions no later than in a predefined subframe.