Configuration, activation, and operation for low power-wake up signals

Patent metadata

Field	Value
Publication number	US-2026101283-A1
Application number	US-202519228688-A
Country	US
Kind code	A1
Filing date	Jun 4, 2025
Priority date	Oct 8, 2024
Publication date	Apr 9, 2026
Grant date	—

Abstract

A user equipment (UE) may be configured with a first set of low-power wake-up signals (LP-WUS) monitoring occasions that are used to trigger physical downlink control channel (PDCCH) monitoring occasions associated with a discontinuous reception (DRX) configuration (e.g., DRX-related LP-WUS monitoring occasions), and a second set of LP-WUS monitoring occasions that are used to trigger PDCCH monitoring occasions that are separate from the DRX configuration (e.g., non-DRX LP-WUS monitoring occasions). Within each monitoring occasion, the UE may monitor, search, or receive LP-WUSs within configured time and frequency resources. The UE may then be configured to monitor both sets of LP-WUS monitoring occasions, and trigger DRX-related or non-DRX-related PDCCH monitoring occasions based on whether an LP-WUS is received within the first set of LP-WUS monitoring occasions associated the DRX configuration or the second set of LP-WUS monitoring occasions that are separate from the DRX configuration.

First claim

What is claimed is:

1 . A user equipment (UE), comprising:
one or more memories storing processor-executable code; and one or more processors coupled with the one or more memories and individually or collectively operable to execute the code to cause the UE to:
receive one or more configurations of a first low power-wakeup signal (LP-WUS) configuration type or one or more configurations of a second LP-WUS configuration type, wherein the first LP-WUS configuration type comprises one or more parameters associated with LP-WUS-triggered monitoring of connected-mode discontinuous reception (C-DRX) downlink control resources, and wherein the second LP-WUS configuration type comprises one or more parameters associated with LP-WUS-triggered monitoring of non-C-DRX downlink control resources;
receive an activation command that activates monitoring of LP-WUS monitoring occasions according to a first configuration of the one or more configurations of the first LP-WUS configuration type, a second configuration of the one or more configurations of the second LP-WUS configuration type, or both; and
receive a physical downlink control channel (PDCCH) during a PDCCH monitoring occasion in accordance with the first configuration, the second configuration, or both.

2 . The UE of claim 1 , wherein the activation command comprises a command to skip LP-WUS monitoring occasions for a period of time or a quantity of LP-WUS monitoring occasions, a command to change a periodicity or an offset of the LP-WUS monitoring occasions, a command to modify configurations associated with subsequent LP-WUS monitoring occasions, an indication of a PDCCH monitoring delay, or combinations thereof.

3 . The UE of claim 1 , wherein the one or more processors are individually or collectively further operable to execute the code to cause the UE to:
transmit a request to activate or deactivate the one or more configurations of the first LP-WUS configuration type or the one or more configurations of the second LP-WUS configuration type.

4 . The UE of claim 3 , wherein the request to activate or deactivate is based at least in part on a capability of the UE.

5 . The UE of claim 3 , wherein the one or more processors are individually or collectively further operable to execute the code to cause the UE to:
transmit a scheduling request, wherein the scheduling request comprises the request to activate or deactivate.

6 . The UE of claim 1 , wherein the one or more processors are individually or collectively further operable to execute the code to cause the UE to:
receive both the one or more configurations of the first LP-WUS configuration type and the one or more configurations of the second LP-WUS configuration type.

7 . The UE of claim 1 , wherein the one or more processors are individually or collectively further operable to execute the code to cause the UE to:
receive an LP-WUS during the LP-WUS monitoring occasions in accordance with the first configuration, the second configuration, or both, wherein the LP-WUS triggers the PDCCH monitoring occasion during a time period based at least in part on an LP-WUS offset.

8 . The UE of claim 7 , wherein upon receiving the LP-WUS during an active DRX cycle or during a PDCCH monitoring occasion, the one or more processors are individually or collectively further operable to execute the code to cause the UE to:
extend time period associated with the active DRX cycle; extend a time period associated with the PDCCH monitoring occasion; stop all DRX timers associated with the active DRX cycle; or stop all PDCCH monitoring occasions.

9 . The UE of claim 1 , wherein the one or more processors are individually or collectively further operable to execute the code to cause the UE to:
receive a second activation command, wherein a configuration activated by the activation command remains active or is deactivated based at least in part on the second activation command.

10 . The UE of claim 1 , wherein a medium access control-control element comprises the activation command.

11 . The UE of claim 1 , wherein the one or more parameters associated with the first LP-WUS configuration type and the one or more parameters associated with the second LP-WUS configuration type comprise a periodicity and an offset of LP-WUS monitoring resources.

12 . The UE of claim 1 , wherein a quantity of the one or more configurations of the first LP-WUS configuration type and a quantity of the one or more configurations of the second LP-WUS configuration type is based at least in part on a capability of the UE.

13 . A method for wireless communications by a user equipment (UE), comprising:
receiving one or more configurations of a first low power-wakeup signal (LP-WUS) configuration type or one or more configurations of a second LP-WUS configuration type, wherein the first LP-WUS configuration type comprises one or more parameters associated with LP-WUS-triggered monitoring of connected-mode discontinuous reception (C-DRX) downlink control resources, and wherein the second LP-WUS configuration type comprises one or more parameters associated with LP-WUS-triggered monitoring of non-C-DRX downlink control resources; receiving an activation command that activates monitoring of LP-WUS monitoring occasions according to a first configuration of the one or more configurations of the first LP-WUS configuration type, a second configuration of the one or more configurations of the second LP-WUS configuration type, or both; and receiving a physical downlink control channel (PDCCH) during a PDCCH monitoring occasion in accordance with the first configuration, the second configuration, or both.

14 . The method of claim 13 , wherein the activation command comprises a command to skip LP-WUS monitoring occasions for a period of time or a quantity of LP-WUS monitoring occasions, a command to change a periodicity or an offset of the LP-WUS monitoring occasions, a command to modify configurations associated with subsequent LP-WUS monitoring occasions, an indication of a PDCCH monitoring delay, or combinations thereof.

15 . The method of claim 13 , further comprising:
transmitting a request to activate or deactivate the one or more configurations of the first LP-WUS configuration type or the one or more configurations of the second LP-WUS configuration type.

16 . The method of claim 15 , wherein the request to activate or deactivate is based at least in part on a capability of the UE.

17 . The method of claim 15 , further comprising:
transmitting a scheduling request, wherein the scheduling request comprises the request to activate or deactivate.

18 . The method of claim 13 , further comprising:
receiving both the one or more configurations of the first LP-WUS configuration type and the one or more configurations of the second LP-WUS configuration type.

19 . The method of claim 13 , further comprising:
receiving an LP-WUS during the LP-WUS monitoring occasions in accordance with the first configuration, the second configuration, or both, wherein the LP-WUS triggers the PDCCH monitoring occasion during a time period based at least in part on an LP-WUS offset.

20 . A non-transitory computer-readable medium storing code for wireless communications, the code comprising instructions executable by one or more processors to:
receive one or more configurations of a first low power-wakeup signal (LP-WUS) configuration type or one or more configurations of a second LP-WUS configuration type, wherein the first LP-WUS con

Assignees

• Qualcomm Incorporated

Inventors

• Ryu Jung Ho
• Damnjanovic Jelena
• Saggar Hemant
• Takeda Kazuki
• Gutman Igor
• Li Junyi
• Luo Tao

Classifications

• H04W72/23

  in the downlink direction of a wireless link, i.e. towards a terminal · CPC title

• H04W72/1263

  Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows · CPC title

• H04W76/28

  Discontinuous transmission [DTX]; Discontinuous reception [DRX] · CPC title

• H04W52/0235 Primary

  where the received signal is a power saving command · CPC title