IP Library Granted Patent US 11,272,451
Granted Patent B2
US 11,272,451 · App. 16/633,089 · Granted Mar 8, 2022

Base station, user equipment, and related methods

Inventors: Renmao Liu (Shanghai, CN); Ningjuan Chang (Shanghai, CN); Chongming Zhang (Shanghai, CN)
Assignees: SHARP KABUSHIKI KAISHA; FG Innovation Company Limited
H04W52/0229H04W4/80H04W68/005H04W72/042H04W72/0446
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Quick Facts
Patent No.
US 11,272,451
App. No.
16/633,089
Granted
Mar 8, 2022
Kind
B2
Abstract

The present disclosure provides a method used in user equipment (UE). The method comprises: determining a time-domain position of physical wake-up signaling, the physical wake-up signaling being used for waking up the UE to detect a subsequent narrowband physical downlink control channel (NPDCCH); and detecting the physical wake-up signaling from a base station at the determined time-domain position, wherein the determining a time-domain position comprises: determining a start subframe or an end subframe for the physical wake-up signaling and the number of subframes for the physical wake-up signaling.

Claims (32)

1. A user equipment (UE), comprising:

a detection unit configured to detect a wake-up signaling (WUS) transmitted by a base station within a WUS duration, the WUS being a signal for causing the UE to monitor a paging occasion (PO) for detecting a paging message;

a determination unit configured to, when the UE detects the WUS within the WUS duration, determine the PO based on a time-offset; and

a monitoring unit configured to monitor the PO for detecting the paging message, wherein:

the PO follows the WUS duration in a time-domain position and the time-offset is in subframes between an end of the WUS duration and a start of the PO,

the WUS duration starts in a specific subframe,

the WUS duration is a number of subframes, and

the time-offset is configured by system information, which is transmitted from the base station to the UE.

2. The UE of claim 1 , wherein the WUS duration is derived by a maximum number of repetitions fora Narrowband Physical Downlink Control channel (NPDCCH) for paging.

3. The UE of claim 1 , wherein one or more POs are configured for the WUS by the system information.

4. The UE of claim 1 , wherein the WUS and the PO are on a same Narrowband Internet of Things (NB-IoT) carrier.

5. A base station, comprising:

a transmission unit configured to transmit a wake-up signaling (WUS) within a WUS duration to a user equipment (UE), the WUS being a signal for causing the UE to monitor a paging occasion (PO) for detecting a paging message; and

a determination unit configured to determine the PO based on a time-offset, wherein:

the PO follows the WUS duration in a time-domain position and the time-offset is in subframes between an end of the WUS duration and a start of the PO,

the WUS duration starts in a specific subframe,

the WUS duration is a number of subframes, and

the time-offset is configured by system information, which is transmitted from the base station to the UE.

6. The base station of claim 5 , wherein the WUS duration is derived by a maximum number of repetitions fora Narrowband Physical Downlink Control channel (NPDCCH) for paging.

7. The base station of claim 5 , wherein one or more POs are configured for the WUS by the system information.

8. The base station of claim 5 , wherein the WUS and the PO are on a same Narrowband Internet of Things (NB-IoT) carrier.

9. A method performed by a user equipment (UE), the method comprising:

detecting a wake-up signaling (WUS) transmitted by a base station within a WUS duration, the WUS being a signal for causing the UE to monitor a paging occasion (PO) for detecting a paging message;

when the UE detects the WUS within the WUS duration, determining the PO based on a time-offset; and

monitoring the PO for detecting the paging message, wherein:

the PO follows the WUS duration in a time-domain position and the time-offset is in subframes between an end of the WUS duration and a start of the PO,

the WUS duration starts in a specific subframe,

the WUS duration is a number of subframes, and

the time-offset is configured by system information, which is transmitted from the base station to the UE.

10. The method of claim 9 , wherein the WUS duration is derived by a maximum number of repetitions for a Narrowband Physical Downlink Control channel (NPDCCH) for paging.

11. The method of claim 9 , wherein one or more POs are configured for the WUS by the system information.

12. The method of claim 9 , wherein the WUS and the PO are on a same Narrowband Internet of Things (NB-IoT) carrier.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 24, 2024
From: SHARP KABUSHIKI KAISHA; FG INNOVATION COMPANY LIMITED
To: SHARP KABUSHIKI KAISHA
Reel/Frame 069039/0324 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 21, 2020
From: SHARP KABUSHIKI KAISHA
To: SHARP KABUSHIKI KAISHA; FG INNOVATION COMPANY LIMITED
Reel/Frame 053272/0681 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 22, 2020
From: LIU, RENMAO; CHANG, NINGJUAN; ZHANG, CHONGMING
To: SHARP KABUSHIKI KAISHA
Reel/Frame 051587/0536 →