Method and apparatus for enhancing DRX configuration in wireless communication system
The disclosure relates to a 5th generation (5G) or 6th generation (6G) communication system for supporting a higher data transmission rate. A method performed by a user equipment (UE) in a wireless communication system is provided. The method includes receiving configuration information regarding a discontinuous reception (DRX) from a base station, starting a first timer based on the configuration information, and monitoring a physical downlink control channel (PDCCH) based on the first timer, wherein the configuration information includes a first timer value for a first subcarrier spacing (SCS) group and a first timer value for a second SCS group.
1 . A method performed by a user equipment (UE) in a wireless communication system, the method comprising:
transmitting, to a base station, UE capability information;
receiving, from the base station, configuration information regarding a discontinuous reception (DRX) operation, wherein the configuration information includes a first value of a timer for a first subcarrier spacing (SCS) group and a second value of the timer for a second SCS group, in case that the UE is identified based on the UE capability information to support the second SCS group;
applying one of the first value of the timer and the second value of the timer to the timer based on a SCS group, wherein the first value of the timer is applied to the first SCS group, and the second value of the timer is applied to the second SCS group; and
performing the DRX operation based on the timer,
wherein the first SCS group includes 15 KHz SCS, 30 KHz SCS, 60 KHz SCS, and 120 KHz SCS, and the second SCS group includes 480 KHz SCS and 960 KHz SCS.
2 . The method of claim 1 , wherein the timer includes a drx-HARQ-RTT-TimerUL timer and a drx-HARQ-RTT-TimerDL timer.
3 . The method of claim 1 , further comprising:
receiving, from the base station, a request for the UE capability information.
4 . A method performed by a base station in a wireless communication system, the method comprising:
receiving, from a user equipment (UE), UE capability information;
transmitting, to the UE, configuration information regarding a discontinuous reception (DRX) operation, wherein the configuration information includes a first value of a timer for a first subcarrier spacing (SCS) group and a second value of the timer for a second SCS group, in case that the UE is identified based on the UE capability information to support the second SCS group; and
performing the DRX operation based on the timer,
wherein the one of the first value of the timer and the second value of the timer is applied to the timer based on a SCS group,
wherein the first value of the timer is applied to the first SCS group, and the second value of the timer is applied to the second SCS group, and
wherein the first SCS group includes 15 KHz SCS, 30 KHz SCS, 60 KHz SCS, and 120 KHz SCS, and the second SCS group includes 480 KHz SCS and 960 KHz SCS.
5 . The method of claim 4 , wherein each of the first value of the timer for the first SCS group and the second value of the timer for the second SCS group is for at least one of a drx-HARQ-RTT-TimerUL timer or a drx-HARQ-RTT-TimerDL timer.
6 . The method of claim 4 , further comprising:
transmitting, to the UE, a request for the UE capability information.
7 . A user equipment (UE) in a wireless communication system, the UE comprising:
at least one transceiver; and
at least one processor operatively coupled with the at least one transceiver,
wherein the at least one processor is configured to:
transmit, to a base station, UE capability information,
receive, from the base station, configuration information regarding a discontinuous reception (DRX) operation, wherein the configuration information includes a first value of a timer for a first subcarrier spacing (SCS) group and a second value of the timer for a second SCS group, in case that the UE is identified based on the UE capability information to support the second SCS group,
apply one of the first value of the timer and the second value of the timer to the timer based on a SCS group, wherein the first value of the timer is applied to the first SCS group, and the second value of the timer is applied to the second SCS group, and
perform the DRX operation based on the timer, and
wherein the first SCS group includes 15 KHz SCS, 30 KHz SCS, 60 KHz SCS, and 120 KHz SCS, and the second SCS group includes 480 KHz SCS and 960 KHz SCS.
8 . The UE of claim 7 , wherein the timer includes a drx-HARQ-RTT-TimerUL timer and a drx-HARQ-RTT-TimerDL timer.
9 . The UE of claim 7 , wherein the at least one processor is further configured to:
receive, from the base station, a request for the UE capability information.
10 . A base station in a wireless communication system, the base station comprising:
at least one transceiver; and
at least one processor operatively coupled with the at least one transceiver,
wherein the at least one processor is configured to:
receive, from a user equipment (UE), UE capability information,
transmit, to the UE, configuration information regarding a discontinuous reception (DRX) operation, wherein the configuration information includes a first value of a timer for a first subcarrier spacing (SCS) group and a second value of the timer for a second SCS group, in case that the UE is identified based on the UE capability information to support the second SCS group, and
perform the DRX operation based on the timer,
wherein the one of the first value of the timer and the second value of the timer is applied to the timer based on a SCS group,
wherein the first value of the timer is applied to the first SCS group, and the second value of the timer is applied to the second SCS group, and
wherein the first SCS group includes 15 KHz SCS, 30 KHz SCS, 60 KHz SCS, and 120 KHz SCS, and the second SCS group includes 480 KHz SCS and 960 KHz SCS.
11 . The base station of claim 10 , wherein each of the first value of the timer for the first SCS group and the second value of the timer for the second SCS group is for at least one of a drx-HARQ-RTT-TimerUL timer or a drx-HARQ-RTT-TimerDL timer.
12 . The base station of claim 10 , wherein the at least one processor is further configured to:
transmit, to the UE, a request for UE capability.