IP Library › Granted Patent US 12,621,903
Granted Patent B2
US 12,621,903 · App. 18/303,984 · Granted May 5, 2026

Method and apparatus for enhancing DRX configuration in wireless communication system

Inventors: Taeseop Lee (Suwon-si, KR); Anil Agiwal (Suwon-si, KR); Jaehyuk Jang (Suwon-si, KR); Seungri Jin (Suwon-si, KR)
Assignee: Samsung Electronics Co., Ltd.
H04W76/28H04L27/26025H04W72/232
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 12,621,903
App. No.
18/303,984
Granted
May 5, 2026
Kind
B2
Abstract

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.

Claims (44)

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.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 20, 2023
From: LEE, TAESEOP; AGIWAL, ANIL; JANG, JAEHYUK; JIN, SEUNGRI
To: SAMSUNG ELECTRONICS CO., LTD.
Reel/Frame 063390/0871 →
Priority Claims (1)
KR 10-2022-0050060 · Apr 22, 2022 · national
Continuity (1)
Related Publication 20230345576A1 · Oct 26, 2023
References Cited (15)
US 10567143B2 · Son · 2020 [cited by applicant]
US 11172370B2 · Vajapeyam et al. · 2021 [cited by applicant]
US 20190052416A1 · Babaei et al. · 2019 [cited by applicant]
US 20200059988A1 · Tabet et al. · 2020 [cited by applicant]
US 20200359316A1 · Shi et al. · 2020 [cited by applicant]
US 20210410180A1 · Tsai et al. · 2021 [cited by applicant]
US 20230163926A1 · Yang et al. · 2023 [cited by applicant]
US 20230353987A1 · Babaei · 2023 [cited by examiner]
EP 3606200A1 · 2020 [cited by applicant]
KR 1020220049538A · 2022 [cited by applicant]
WO 2022051675A1 · 2022 [cited by applicant]
Huawei et al., “Discussion about RAN2 impacts of Ext 52-71GHZ,” 3GPP TSG-RAN WG2 Meeting #117-e R2-2202710, Feb. 21-Mar. 3, 2022. [cited by applicant]
Huawei et al., “Discussion about RAN2 impacts of Ext 52-71GHZ,” 3GPP TSG-RAN WG2 Meeting #116-e R2-2109604, Nov. 1-12, 2021. [cited by applicant]
International Search Report and written opinion dated Jul. 24, 2023, issued in International Application No. PCT/KR2023/005390. [cited by applicant]
Extended European Search Report dated May 8, 2025; European Appln. No. 23792209.1-1207 / 4470336 PCT/KR2023005390. [cited by applicant]