Method and apparatus for deactivating secondary carriers in mobile communication system using carrier aggregation
AssigneeSamsung Electronics Co., Ltd.
InventorsJaehyuk JANG, Soenghun KIM
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Abstract
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.
Claims28
A method by a terminal in a mobile communication system, the method including:
- receiving, by the terminal, first information for activating a secondary cell (SCell) from a base station;
- activating, by the terminal, the SCell based on the first information;
- starting, by the terminal, a timer associated with the SCell;
- and
- applying, by the terminal, one or more corresponding actions for deactivating the SCell no later than in subframe n+8, if the timer expires in subframe n.
A method by a base station in a mobile communication system, the method including:
- generating, by the base station, first information for activating a secondary cell (SCell);
- and
- transmitting, by the base station, the first information to a terminal,
- wherein the SCell is activated based on the first information by the terminal,
- wherein a timer associated with the SCell is started by the terminal, and
- wherein if the timer expires in subframe n, one or more corresponding actions for deactivating the SCell are applied no later than in subframe n+8.
A terminal in a mobile communication system, the terminal including:
- a transceiver for transmitting and receiving a signal;
- and
- a controller configured to receive first information for activating a secondary cell (SCell) from a base station, to activate the SCell based on the first information, to start a timer associated with the SCell and to apply one or more corresponding actions for deactivating the SCell no later than in subframe n+8, if the timer expires in subframe n.
A base station in a mobile communication system, the base station including:
- a transceiver for transmitting and receiving a signal;
- and
- a controller configured to generate first information for activating a secondary cell (SCell), and to transmit the first information to a terminal,
- wherein the SCell is activated based on the first information by the terminal,
- wherein a timer associated with the SCell is started by the terminal, and
- wherein if the timer expires in subframe n, one or more corresponding actions for deactivating the SCell are applied no later than in subframe n+8.
Dependencies are inferred from the claim text.