Secondary cell scell activation method and device

Patent metadata

Field	Value
Publication number	US-2025080311-A1
Application number	US-202418949943-A
Country	US
Kind code	A1
Filing date	Nov 15, 2024
Priority date	May 16, 2022
Publication date	Mar 6, 2025
Grant date	—

Abstract

This application discloses a secondary cell (SCell) activation method and device. The method includes: receiving, by a terminal, a SCell activation command, and executing a SCell activation operation based on the SCell activation command. The terminal meets at least one of the following conditions when executing the SCell activation operation: a first receive beam scanning factor is less than a target receive beam scanning factor; a first quantity of receive beam scanning times is less than a target quantity of scanning times when L1 reference signal received power (L1-RSRP) measurement is performed; or there is no condition restriction on a discontinuous reception (DRX) state during L1-RSRP measurement.

First claim

1 . A secondary cell (Scell) activation method, comprising:
receiving, by a terminal, a SCell activation command, and executing a SCell activation operation based on the SCell activation command, wherein the terminal meets at least one of the following conditions when executing the SCell activation operation: a first receive beam scanning factor is less than a target receive beam scanning factor; a first quantity of receive beam scanning times is less than a target quantity of scanning times when L1 reference signal received power (L1-RSRP) measurement is performed; or there is no condition restriction on a discontinuous reception (DRX) state during L1-RSRP measurement.

2 . The SCell activation method according to claim 1 , wherein when the terminal meets the following condition: the first receive beam scanning factor is less than the target receive beam scanning factor, the executing the SCell activation operation based on the SCell activation command comprises:
performing, by the terminal, Automatic Gain Control (AGC) adjustment, wherein duration of the AGC adjustment is positively correlated with the first receive beam scanning factor.

3 . The SCell activation method according to claim 2 , wherein the duration of the AGC adjustment is a sum of first duration and a product between second duration and a first value, wherein
the first duration is duration between completion of hybrid automatic repeat request (HARQ) feedback based on the SCell activation command and reception of a first complete synchronization signal block (SSB); with in-band carrier aggregation, the second duration is a maximum synchronization signal block measurement timing configuration (SMTC) cycle of an activated serving cell and an activated SCell indicated by the SCell activation command; or with inter-band carrier aggregation, the second duration is a maximum SMTC cycle of an activated SCell indicated by the SCell activation command; and the first value is any one of the following: a value obtained by subtracting a second value from a product between the first measurement sampling quantity and the first receive beam scanning factor; a value obtained by subtracting the second value from a product between the first measurement sampling quantity and the target receive beam scanning factor; or a value obtained by subtracting the second value from a product between the target measurement sampling quantity and the first receive beam scanning factor.

4 . The SCell activation method according to claim 1 , wherein when the terminal meets the following condition: the first receive beam scanning factor is less than the target receive beam scanning factor, the executing the SCell activation operation based on the SCell activation command comprises:
obtaining, by the terminal, coarse timing information through cell detection, wherein duration of the cell detection is positively correlated with a first measurement sampling quantity or the first receive beam scanning factor.

5 . The SCell activation method according to claim 4 , wherein the duration of the cell detection is a product between third duration and a third value, wherein the third duration is an SMTC cycle of an activated SCell indicated by the SCell activation command; and
the third value is any one of the following: a product between the first measurement sampling quantity and the first receive beam scanning factor; a product between the first measurement sampling quantity and the target receive beam scanning factor; or a product between the target measurement sampling quantity and the first receive beam scanning factor.

6 . The SCell activation method according to claim 1 , wherein when the terminal meets the following condition: the first receive beam scanning factor is less than the target receive beam scanning factor, the executing the SCell activation operation based on the SCell activation command comprises:
performing, by the terminal, L1-RSRP measurement, wherein duration of the L1-RSRP measurement is positively correlated with a first measurement sampling quantity or the first receive beam scanning factor.

7 . The SCell activation method according to claim 1 , wherein when the terminal meets the following condition: the first quantity of receive beam scanning times is less than the target quantity of scanning times when L1-RSRP measurement is performed, the executing the SCell activation operation based on the SCell activation command comprises:
performing, by the terminal, L1-RSRP measurement, wherein the first quantity of scanning times is less than the target quantity of scanning times, and a sum of the first quantity of scanning times and a second quantity of scanning times is greater than or equal to the target quantity of scanning times, wherein the first quantity of scanning times is a quantity of receive beam scanning times in a process of the L1-RSRP measurement, and the second quantity of scanning times is a quantity of receive beam scanning times in a process of cell detection.

8 . The SCell activation method according to claim 1 , wherein when the terminal meets the following condition: there is no condition restriction on the discontinuous reception DRX state during L1-RSRP measurement, the executing the SCell activation operation based on the SCell activation command comprises:
when the DRX state is an on state or an off state, performing, by the terminal, the L1-RSRP measurement when receiving an RS.

9 . A secondary cell (SCell) activation method, comprising:
sending, by a network side device, a SCell activation command, wherein the SCell activation command is used to indicate a terminal to execute a SCell activation operation, wherein the terminal meets at least one of the following conditions when executing the SCell activation operation: a first receive beam scanning factor is less than a target receive beam scanning factor; a first quantity of receive beam scanning times is less than a target quantity of scanning times when L1 reference signal received power (L1-RSRP) measurement is performed; or there is no condition restriction on a discontinuous reception (DRX) state during L1-RSRP measurement.

10 . The SCell activation method according to claim 9 , further comprising:
obtaining, by the network side device, first configuration information based on an L1-RSRP measurement report result, and sending the first configuration information to the terminal, wherein the first configuration information comprises configuration information of the Transmission Configuration Indicator (TCI) state of a Physical Downlink Control Channel (PDCCH) or a Physical Downlink Shared Channel (PDSCH), or comprises configuration information of the TCI state of the PDCCH or the PDSCH and configuration information of the TCI state of a channel state information-reference signal (CSI-RS), wherein the TCI state of the PDCCH or the PDSCH is consistent with the TCI state of the CSI-RS.

11 . The SCell activation method according to claim 10 , further comprising:
sending, by the network side device, a TCI activation command to the terminal, wherein the TCI activation command is used to indicate the terminal to activate the TCI state of the PDCCH or the PDSCH.

12 . The SCell activation method according to claim 10 , wherein when the CSI-RS is a semi-static CSI-RS, the TCI state of the PDCCH or the PDSCH is consistent with a TCI state of the semi-static CSI-RS; or when the CSI-RS is a periodic CSI-RS, the TCI state of the PDCCH or the PDSCH is consistent with a TCI state of the periodic CSI-RS.

13 . A terminal, comprising a processor and a memory storing instructions, wherein the instructions, when exe

Assignees

• Vivo Mobile Communication Co Ltd

Inventors

• Qu Wenkuan
• Yang Xiaodong
• Yang Qian
• Sun Yanliang
• Zheng Minhua

Classifications

• H04L1/1854

  Scheduling and prioritising arrangements · CPC title

• H04L5/001

  the frequencies being arranged in component carriers · CPC title

• H04W76/28

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

• H04B17/328

  Reference signal received power [RSRP]; Reference signal received quality [RSRQ] · CPC title

• H04L5/0098 Primary

  Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands · CPC title