Method and apparatus for determining application time of CSI report, and device

• US 10,616,785 B2
• Filed: 10/09/2017
• Issued: 04/07/2020
• Est. Priority Date: 04/10/2015
• Status: Active Grant

• Current Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Inventors: Li, Bingzhao, Yang, Xiaodong, Quan, Wei, Hu, Zhenxing, Zhang, Jian, Miao, Jinhua
• Primary Examiner(s): Lee, Jae Y
• Assistant Examiner(s): Voltaire, Jean F
• Application Number:
  US15/728,246
• Publication Number:
  US 20180035323A1
• Time in Patent Office: 911 Days
• Field of Search: 370329
• CPC Class Codes: H04B 7/24 for communication between two or more posts wireless communication networks H04W
• CPC Class Codes: H04L 5/0007 the frequencies being orthogonal, e.g. OFDM(A), DMT
• CPC Class Codes: H04L 5/0057 Physical resource allocation for CQI
• CPC Class Codes: H04W 24/10 Scheduling measurement reports ; Arrangements for measurement reports
• CPC Class Codes: H04W 72/21 in the uplink direction of a wireless link, i.e. towards the network
• CPC Class Codes: H04W 72/23 in the downlink direction of a wireless link, i.e. towards a terminal

Abstract

A method includes: receiving, by UE, a configuration message sent by a base station, and determining, according to the configuration message, a type of a PUCCH that is used by a secondary cell to report a CSI report; receiving, by the UE, a secondary cell activation command that is sent by the base station and that carries a cell identity; and determining, by the UE according to the type of the PUCCH that is used by the secondary cell to report the CSI report and the secondary cell activation command, an application time of a CSI report of a secondary cell corresponding to the cell identity.

Claims

1. A method, comprising:

receiving, by user equipment (UE), a configuration message sent by a base station;

determining, by the UE according to the configuration message, which secondary cells report channel status information (CSI) CSI reports using a physical uplink control channel (PUCCH) of a primary cell and which secondary cells report CSI reports using a PUCCH of a first secondary cell different from the PUCCH of the primary cell;

receiving, by the UE, a secondary cell activation command that is sent by the base station and that carries a cell identity corresponding to a second secondary cell; and

determining, by the UE, according to whether a type of a PUCCH used by the second secondary cell to report a CSI report is the PUCCH of the primary cell or the PUCCH of the first secondary cell and according to the secondary cell activation command, an application time of the CSI report of the second secondary cell;

wherein the determining the application time of the CSI report of the second secondary cell corresponding to the cell identity comprises;

when the type of the PUCCH used by the second secondary cell corresponding to the cell identity to report the CSI report is the PUCCH of the first secondary cell, determining, by the UE, whether the first secondary cell is in an active state;

when the first secondary cell is in the active state, starting, by the UE at a preset time point after the secondary cell activation command is received, to apply the CSI report of the second secondary cell corresponding to the cell identity; and

when the first secondary cell is in an inactive state, determining, by the UE according to an application time of a CSI report of the first secondary cell, the application time of the CSI report of the second secondary cell corresponding to the cell identity.

2. The method according to claim 1, wherein the determining the application time of the CSI report of the second secondary cell corresponding to the cell identity comprises:

when the type of the PUCCH used by the second secondary cell corresponding to the cell identity to report the CSI report is the PUCCH of the primary cell, starting, by the UE at a preset time point after the secondary cell activation command is received, to apply the CSI report of the second secondary cell corresponding to the cell identity.

3. The method according to claim 1, wherein the determining the application time of the CSI report of the second secondary cell corresponding to the cell identity comprises:

when the type of the PUCCH used by the second secondary cell corresponding to the cell identity to report the CSI report is the PUCCH of the first secondary cell, and the second secondary cell corresponding to the cell identity is the same as the first secondary cell, starting, by the UE after the second secondary cell corresponding to the cell identity is activated and after a preset time point after the secondary cell activation command is received, to apply the CSI report of the second secondary cell corresponding to the cell identity.

4. The method according to claim 1, wherein the determining the application time of the CSI report of the second secondary cell corresponding to the cell identity comprises:

when the type of the PUCCH used by the second secondary cell corresponding to the cell identity to report the CSI report is the PUCCH of the first secondary cell, and the first secondary cell corresponding to the cell identity is the same as the first secondary cell, starting, by the UE after the second secondary cell corresponding to the cell identity is activated and after the UE sends a channel sounding reference signal (SRS) to the base station, to apply the CSI report of the second secondary cell corresponding to the cell identity.

5. The method according to claim 1, wherein the determining the application time of the CSI report of the second secondary cell corresponding to the cell identity comprises:

when the type of the PUCCH that is used by the second secondary cell corresponding to the cell identity to report the CSI report is the PUCCH of the first secondary cell, and the second secondary cell corresponding to the cell identity is the same as the first secondary cell, starting, by the UE after the second secondary cell corresponding to the cell identity is activated and after the UE sends a preamble to the base station, to apply the CSI report of the second secondary cell corresponding to the cell identity.

6. The method according to claim 1, wherein the application time of the CSI report of the second secondary cell corresponding to the cell identity comprises the CSI report of the second secondary cell corresponding to the cell identity being carried in the CSI report at a current time point corresponding to the application time and subsequent CSI reports.

7. The method according to claim 1, further comprising:

starting, by the UE at a preset time point after the secondary cell activation command is received, a deactivation timer of the second secondary cell corresponding to the cell identity;

or performing, by the UE after the preset time point after the secondary cell activation command is received, the following;

sending a listening reference signal to the base station, sending a scheduling request signal to the base station, or listening to a physical downlink control channel.

8. A device, comprising:

a processor; and

a non-transitory memory, wherein the non-transitory memory stores an execution instruction; and

the processor executes the execution instruction to;

receive a configuration message sent by a base station;

determine, according to the configuration message, which secondary cells report channel status information (CSI) CSI reports using a physical uplink control channel (′

PUCCH) of a primary cell and which secondary cells report CSI reports using a PUCCH of a first secondary cell different from the PUCCH of the primary cell;

receive a secondary cell activation command sent by the base station and that carries a cell identity corresponding to a second secondary cell; and

determine, according to whether a type of a PUCCH used by the second secondary cell to report a CSI report is the PUCCH of the primary cell or the PUCCH of the first secondary cell and according to the secondary cell activation command, an HW 84cation time of the CSI report of the second secondary cell;

wherein determining the application time of the CSI report of the second secondary cell corresponding to the cell identity comprises;

when the type of the PUCCH used by the second secondary cell corresponding to the cell identity to report the CSI report is the PUCCH of the first secondary cell, determining, by the UE, whether the first secondary cell is in an active state;

when the first secondary cell is in the active state, starting, by the UE at a preset time point after the secondary cell activation command is received, to apply the CSI report of the second secondary cell corresponding to the cell identity; and

when the first secondary cell is in an inactive state, determining, by the UE according to an application time of a CSI report of the first secondary cell, the application time of the CSI report of the second secondary cell corresponding to the cell identity.

9. The device according to claim 8, wherein determining the application time of the CSI report of the second secondary cell corresponding to the cell identity comprises:

when the type of the PUCCH used by the second secondary cell corresponding to the cell identity to report the CSI report is the PUCCH of the primary cell, starting, by the UE at a preset time point after the secondary cell activation command is received, to apply the CSI report of the second secondary cell corresponding to the cell identity.

10. The device according to claim 8, wherein determining the application time of the CSI report of the second secondary cell corresponding to the cell identity comprises:

when the type of the PUCCH used by the second secondary cell corresponding to the cell identity to report the CSI report is the PUCCH of the first secondary cell, and the second secondary cell corresponding to the cell identity is the same as the first secondary cell, starting, by the UE after the second secondary cell corresponding to the cell identity is activated and after a preset time point after the secondary cell activation command is received, to apply the CSI report of the second secondary cell corresponding to the cell identity.

11. The device according to claim 8, wherein determining the application time of the CSI report of the second secondary cell corresponding to the cell identity comprises:

when the type of the PUCCH used by the second secondary cell corresponding to the cell identity to report the CSI report is the PUCCH of the first secondary cell, and the first secondary cell corresponding to the cell identity is the same as the first secondary cell, starting, by the UE after the second secondary cell corresponding to the cell identity is activated and after the UE sends a channel sounding reference signal (SRS) to the base station, to apply the CSI report of the second secondary cell corresponding to the cell identity.

12. The device according to claim 8, wherein determining the application time of the CSI report of the second secondary cell corresponding to the cell identity comprises:

when the type of the PUCCH used by the second secondary cell corresponding to the cell identity to report the CSI report is the PUCCH of the first secondary cell, and the second secondary cell corresponding to the cell identity is the same as the first secondary cell, starting, by the UE after the second secondary cell corresponding to the cell identity is activated and after the UE sends a preamble to the base station, to apply the CSI report of the second secondary cell corresponding to the cell identity.

13. The device according to claim 8, wherein the application time of the CSI report of the second secondary cell corresponding to the cell identity comprises the CSI report of the second secondary cell corresponding to the cell identity being carried in the CSI report at a current time point corresponding to the application time and subsequent CSI reports.

14. The device according to claim 8, further comprising:

starting, by the UE at a preset time point after the secondary cell activation command is received, a deactivation timer of the second secondary cell corresponding to the cell identity;

or

performing, by the UE after the preset time point after the secondary cell activation command is received, the following;

sending a listening reference signal to the base station, sending a scheduling request signal to the base station, or listening to a physical downlink control channel.

15. A non-transitory computer-readable storage medium, storing a program to be executed by a processor, the program including instructions for:

receiving a configuration message sent by a base station;

determining, according to the configuration message, which secondary cells report channel status information (CSI) CSI reports using a physical uplink control channel (PUCCH) of a primary cell and which secondary cells report CSI reports using a PUCCH of a first secondary cell different from the PUCCH of the primary cell;

receiving a secondary cell activation command that is sent by the base station and that carries a cell identity corresponding to a second secondary cell; and

determining, according to whether a type of a PUCCH used by the second secondary cell to report a CSI report is the PUCCH of the primary cell or the PUCCH of the first secondary cell and according to the secondary cell activation command, an application time of the CSI report of the second secondary cell;

wherein determining the application time of the CSI report of the second secondary cell corresponding to the cell identity comprises;

when the type of the PUCCH used by the second secondary cell corresponding to the cell identity to report the CSI report is the PUCCH of the first secondary cell, determining, by the UE, whether the first secondary cell is in an active state;

when the first secondary cell is in the active state, starting, by the UE at a preset time point after the secondary cell activation command is received, to apply the CSI report of the second secondary cell corresponding to the cell identity; and

when the first secondary cell is in an inactive state, determining, by the UE according to an application time of a CSI report of the first secondary cell, the application time of the CSI report of the second secondary cell corresponding to the cell identity.

16. The non-transitory computer-readable storage medium according to claim 15, wherein the determining the application time of the CSI report comprises:

when the type of the PUCCH used by the second secondary cell corresponding to the cell identity to report the CSI report is the PUCCH of the primary cell, starting, by the UE at a preset time point after the secondary cell activation command is received, to apply the CSI report of the second secondary cell corresponding to the cell identity.

17. The non-transitory computer-readable storage medium according to claim 15, wherein the determining the application time of the CSI report comprises:

when the type of the PUCCH used by the second secondary cell corresponding to the cell identity to report the CSI report is the PUCCH of the first secondary cell, and the second secondary cell corresponding to the cell identity is the same as the first secondary cell, starting, by the UE after the second secondary cell corresponding to the cell identity is activated and after a preset time point after the secondary cell activation command is received, to apply the CSI report of the second secondary cell corresponding to the cell identity.

18. The non-transitory computer-readable storage medium according to claim 15, wherein the determining the application time of the CSI report comprises:

when the type of the PUCCH used by the second secondary cell corresponding to the cell identity to report the CSI report is the PUCCH of the first secondary cell, and the second secondary cell corresponding to the cell identity is the same as the first secondary cell, starting, by the UE after the second secondary cell corresponding to the cell identity is activated and after the UE sends a channel sounding reference signal (SRS) to the base station, to apply the CSI report of the second secondary cell corresponding to the cell identity.