Method and apparatus for activating carriers in mobile communication system
A method and apparatus for measurement by a terminal and a base station in a wireless communication system supporting carrier aggregation are provided. The method for measurement by the terminal includes receiving, from a base station, a measurement interval for a secondary cell in a deactivated state, acquiring a measurement period based on the measurement interval, and measuring a signal of the secondary cell in the deactivated state, based on the measurement period. The measurement period is acquired by multiplying the measurement interval by a predefined value greater than 1.
1. A method for measurement by a terminal in a wireless communication system supporting carrier aggregation, the method comprising:
determining a first measurement period based on a discontinuous reception (DRX) cycle in case that a secondary cell is in an activated state;
determining a second measurement period based on information on a measurement interval in case that the secondary cell is in a deactivated state, the information being received from a base station; and
measuring a signal of the secondary cell, based on the determined first or second measurement period,
wherein the second measurement period is determined by multiplying the measurement interval by a predefined value greater than 1.
2. The method of claim 1 , wherein the predefined value is 5.
3. The method of claim 1 , wherein the measuring comprises measuring the signal of the secondary cell during the determined first or second measurement period.
4. A terminal in a wireless communication system supporting carrier aggregation, the terminal comprising:
a transceiver;
and a controller coupled with the transceiver and configured to:
determine a first measurement period based on a discontinuous reception (DRX) cycle in case that a secondary cell is in an activated state,
determine a second measurement period based on information on a measurement interval in case that the secondary cell is in a deactivated state, the information being received from a base station, and
measure a signal of the secondary cell, based on the determined first or second measurement period, wherein the second measurement period is determined by multiplying the measurement interval by a predefined value greater than 1.
5. The terminal of claim 4 , wherein the predefined value is 5.
6. The terminal of claim 4 , wherein the controller is configured to measure the signal of the secondary cell during the determined first or second measurement period.
7. A base station in a wireless communication system supporting carrier aggregation, the base station comprising:
a transceiver; and
a controller coupled with the transceiver and configured to:
configure discontinuous reception (DRX) related parameters, and
receive, from a terminal, a measurement result for a secondary cell,
wherein a first measurement period for the secondary cell is determined based on a DRX cycle in case that the secondary cell is in an activated state,
wherein a second measurement period for the secondary cell is determined based on information on a measurement interval in case that the secondary cell is in a deactivated state, the information being provided by the base station, and
wherein the second measurement period is determined by multiplying the measurement interval by a predefined value greater than 1.
8. The base station of claim 7 , wherein the predefined value is 5.
9. The base station of claim 7 , wherein the measurement is performed by the terminal measuring a signal of the secondary cell during the determined first or second measurement period.