IP Library › Granted Patent US 12,621,828
Granted Patent B2
US 12,621,828 · App. 18/147,666 · Granted May 5, 2026

Apparatus and method of wireless communication

Inventor: Li Guo (Allen, TX)
Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
H04W72/1268H04W16/28H04W72/23
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 12,621,828
App. No.
18/147,666
Granted
May 5, 2026
Kind
B2
Abstract

An apparatus and a method of wireless communication are provided. The method by a user equipment (UE) includes being configured, by a base station, with a configuration of one or more transmission configuration indicator (TCI) states, wherein each TCI state includes one or more reference signals for a reception of downlink channels or signals and/or for a transmission of uplink channels or signals, and in each TCI state, being provided with at least one of configuration parameters.

Claims (140)

1 . A wireless communication method by a user equipment (UE), comprising:

being configured, by a base station, with a configuration of one or more transmission configuration indicator (TCI) states, wherein each TCI state comprises one or more reference signals for a reception of downlink channels or signals and/or for a transmission of uplink channels or signals; and

in each TCI state, being provided with at least one of configuration parameters;

wherein the method further comprises: being configured, by the base station, with a configuration of multi-transmission/reception point (TRP) transmission and/or a common TCI state operation mode in the multi-TRP transmission,

and wherein the one or more TCI states comprise a first TCI state for TRP associated with CORESETPoolIndex with a value of 0 and/or a second TCI state for TRP associated with the CORESETPoolIndex with a value of 1;

wherein when the UE is indicated with the first TCI state, the UE is requested to apply a quasi co-location (QCL) information included in the first TCI state on the reception of one or more of the following channels or signals:

a physical downlink control channel (PDCCH) transmission in a control resource set (CORESET) configured or associated with the CORESETPoolIndex with the value of 0;

a physical downlink shared channel (PDSCH) transmission scheduled by a PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 0;

an access point (AP) channel state information reference signal (CSI-RS) resource triggered by the PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 0;

a PDSCH transmission of a semi-persistent scheduling (SPS) triggered by the PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 0;

an SPS PDSCH transmission configured or associated with the CORESETPoolIndex with the value of 0; or

periodic or semi-persistent CSI-RS resource associated with the CORESETPoolIndex with the value of 0;

wherein the UE is requested to apply information of a spatial filter and/or a pathloss reference signal included in the first TCI state on the transmission of one or more of the following channels or signals;

a physical uplink shared channel (PUSCH) transmission scheduled by a PDCCH transmitted in a CORESET configured or associated with the CORESETPoolIndex with the value of 0;

a PUSCH transmission of a configured grant that is activated by a downlink control information (DCI) detected in a PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 0;

a physical uplink control channel (PUCCH) transmission of a configured grant that is associated with the CORESETPoolIndex with the value of 0;

a PUCCH transmission associated with the CORESETPoolIndex with the value of 0;

a PUCCH transmission that is triggered by a PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 0;

an SRS transmission that is associated with the CORESETPoolIndex with the value of 0; or

an AP SRS transmission that is triggered by a PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 0;

wherein when the UE is indicated with the second TCI state, the UE is requested to apply a QCL information included in the second TCI state on the reception of one or more of the following channels or signals;

a PDCCH transmission in a CORESET configured or associated with the CORESETPoolIndex with the value of 1;

a PDSCH transmission scheduled by a PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 1;

an AP CSI-RS resource triggered by the PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 1;

a PDSCH transmission of a SPS triggered by the PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 1;

an SPS PDSCH transmission configured or associated with the CORESETPoolIndex with the value of 1; or

a periodic or semi-persistent CSI-RS resource associated with the CORESETPoolIndex with the value of 1;

or,

wherein the UE is requested to apply information of a spatial filter and/or a pathloss reference signal included in the second TCI state on the transmission of one or more of the following channels or signals;

a PUSCH transmission scheduled by a PDCCH transmitted in a CORESET configured or associated with the CORESETPoolIndex with the value of 1;

a PUSCH transmission of a configured grant that is activated by a DCI detected in a PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 1;

a PUSCH transmission of a configured grant that is associated with the CORESETPoolIndex with the value of 1;

a PUCCH transmission associated with the CORESETPoolIndex with the value of 1;

a PUCCH transmission that is triggered by a PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 1;

an SRS transmission that is associated with the CORESETPoolIndex with the value of 1; or

an AP SRS transmission that is triggered by a PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 1.

2 . The method of claim 1 , wherein the one or more reference signals comprise a configuration of a spatial filter for the transmission of the uplink channels or signals.

3 . The method of claim 1 , wherein each TCI state is associated with a pathloss reference signal for the transmission of the uplink channels or signals.

4 . The method of claim 1 , wherein the at least one of configuration parameters comprises:

a reference signal providing information for determining a spatial filter for a PUSCH, a PUCCH, or a SRS resource comprising a synchronization signal/physical broadcast channel (SS/PBCH) block, a CSI-RS resource, or a SRS resource; or

a reference signal providing a pathloss reference signal for a PUSCH, the PUCCH, or the SRS resource comprising the SS/PBCH block or the CSI-RS resource.

5 . The method of claim 1 , further comprising determining, by the UE, the TCI state for each channel or reference signal according to an associated TRP.

6 . The method of claim 5 , wherein when the UE receives a PDCCH, a PDSCH, and/or a CSI-RS resource that is associated with the CORESETPoolIndex with a value of 0, the UE applies the QCL configuration included in the first TCI state,

and wherein when the UE transmits a PUSCH, a PUCCH, and/or an SRS resource that is associated with the CORESETPoolIndex with the value of 0, the UE applies the spatial filter and the pathloss reference signal included in the first TCI state.

7 . The method of claim 5 , wherein when the UE receives a PDCCH, a PDSCH, and/or a CSI-RS resource that is associated with the CORESETPoolIndex with a value of 1, the UE applies the QCL configuration included in the second TCI state,

and wherein when the UE transmits the PUSCH, the PUCCH, and/or the SRS resource that is associated with the CORESETPoolIndex with the value of 1, the UE applies the spatial filter and the pathloss reference signal included in the second TCI state.

8 . The method of claim 1 , wherein the one or more TCI states are configured through DCI or a media access control (MAC) control element (CE).

9 . The method of claim 8 , wherein the DCI comprises a DCI format 1_1, a DCI format 1_2, a DCI format X1, or a DCI format Y1.

10 . The method of claim 9 , wherein the DCI format 1_1 or the DCI format 1_2 carrying a DCI field transmission configuration indication, a value of the DCI field transmission configuration indication indicates one TCI state for the UE and the UE applies an indicated TCI state on a PDCCH, a PDSCH, a PUSCH, a PUCCH, a CSI-RS resource, and/or an SRS resource that is associated with the same value of CORESETPoolIndex as the PDCCH carrying the DCI that indicates the TCI state.

11 . A wireless communication method by a base station, comprising:

configuring, to a user equipment (UE), a configuration of one or more transmission configuration indicator (TCI) states, wherein each TCI state comprises one or more reference signals for a transmission of downlink channels or signals and/or for a reception of uplink channels or signals; and

in each TCI state, providing, to the UE, at least one of configuration parameters;

wherein the method further comprises configuring, to the UE, a configuration of multi-transmission/reception point (TRP) transmission and/or a common TCI state operation mode in the multi-TRP transmission,

and wherein the one or more TCI states comprise a first TCI state for TRP associated with CORESETPoolIndex with a value of 0 and/or a second TCI state for TRP associated with the CORESETPoolIndex with a value of 1;

wherein when the base station indicates the first TCI state to the UE, the base station requests the UE to apply a quasi co-location (QCL) information included in the first TCI state on the reception of one or more of the following channels or signals;

a physical downlink control channel (PDCCH) transmission in a control resource set (CORESET) configured or associated with the CORESETPoolIndex with the value of 0;

a physical downlink shared channel (PDSCH) transmission scheduled by a PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 0;

an access point (AP) channel state information reference signal (CSI-RS) resource triggered by the PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 0;

a PDSCH transmission of a semi-persistent scheduling (SPS) triggered by the PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 0;

an SPS PDSCH transmission configured or associated with the CORESETPoolIndex with the value of 0; or

a periodic or semi-persistent CSI-RS resource associated with the CORESETPoolIndex with the value of 0;

wherein the base station requests the UE to apply information of a spatial filter and/or a pathloss reference signal included in the first TCI state on the transmission of one or more of the following channels or signals;

a physical uplink shared channel (PUSCH) transmission scheduled by a PDCCH transmitted in a CORESET configured or associated with the CORESETPoolIndex with the value of 0;

a PUSCH transmission of a configured grant that is activated by a downlink control information (DCI) detected in a PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 0;

a physical uplink control channel (PUSCH) transmission of a configured grant that is associated with the CORESETPoolIndex with the value of 0;

a PUCCH transmission associated with the CORESETPoolIndex with the value of 0;

a PUCCH transmission that is triggered by a PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 0;

an SRS transmission that is associated with the CORESETPoolIndex with the value of 0; or

an AP SRS transmission that is triggered by a PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 0;

wherein when the base station indicates the second TCI state to the UE, the base station requests the UE to apply a QCL information included in the second TCI state on the reception of one or more of the following channels or signals;

a PDCCH transmission in a CORESET configured or associated with the CORESETPoolIndex with the value of 1;

a PDSCH transmission scheduled by a PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 1;

an AP CSI-RS resource triggered by the PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 1;

a PDSCH transmission of a SPS triggered by the PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 1;

an SPS PDSCH transmission configured or associated with CORESETPoolIndex with the value of 1; or

a periodic or semi-persistent CSI-RS resource associated with the CORESETPoolIndex with the value of 1;

or,

wherein the base station requests the UE to apply information of a spatial filter and/or a pathloss reference signal included in the second TCI state on the transmission of one or more of the following channels or signals;

a PUSCH transmission scheduled by a PDCCH transmitted in a CORESET configured or associated with the CORESETPoolIndex with the value of 1;

a PUSCH transmission of a configured grant that is activated by a DCI detected in a PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 1;

a PUSCH transmission of a configured grant that is associated with the CORESETPoolIndex with the value of 1;

a PUCCH transmission associated with the CORESETPoolIndex with the value of 1;

a PUCCH transmission that is triggered by a PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 1;

an SRS transmission that is associated with the CORESETPoolIndex with the value of 1; or

an AP SRS transmission that is triggered by a PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 1.

12 . A user equipment (UE), comprising:

a memory;

a transceiver; and

a processor coupled to the memory and the transceiver;

wherein the processor is configured to perform operations of:

being configured, by a base station, with a configuration of one or more transmission configuration indicator (TCI) states, wherein each TCI state comprises one or more reference signals for a reception of downlink channels or signals and/or for a transmission of uplink channels or signals; and

in each TCI state, being provided with at least one of configuration parameters;

wherein the processor is further configured to perform operations of: being configured, by the base station, with a configuration of multi-transmission/reception point (TRP) transmission and/or a common TCI state operation mode in the multi-TRP transmission,

and wherein the one or more TCI states comprise a first TCI state for TRP associated with CORESETPoolIndex with a value of 0 and/or a second TCI state for TRP associated with the CORESETPoolIndex with a value of 1;

wherein when the UE is indicated with the first TCI state, the UE is requested to apply a quasi co-location (QCL) information included in the first TCI state on the reception of one or more of the following channels or signals;

a physical downlink control channel (PDCCH) transmission in a control resource set (CORESET) configured or associated with the CORESETPoolIndex with the value of 0;

a physical downlink shared channel (PDSCH) transmission scheduled by a PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 0;

an access point (AP) channel state information reference signal (CSI-RS) resource triggered by the PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 0;

a PDSCH transmission of a semi-persistent scheduling (SPS) triggered by the PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 0;

an SPS PDSCH transmission configured or associated with the CORESETPoolIndex with the value of 0; or

a periodic or semi-persistent CSI-RS resource associated with the CORESETPoolIndex with the value of 0;

wherein the UE is requested to apply information of a spatial filter and/or a pathloss reference signal included in the first TCI state on the transmission of one or more of the following channels or signals;

a physical uplink shared channel (PUSCH) transmission scheduled by a PDCCH transmitted in a CORESET configured or associated with the CORESETPoolIndex with the value of 0;

a PUSCH transmission of a configured grant that is activated by a downlink control information (DCI) detected in a PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 0;

a physical uplink control channel (PUCCH) transmission of a configured grant that is associated with the CORESETPoolIndex with the value of 0;

a PUCCH transmission associated with the CORESETPoolIndex with the value of 0;

a PUCCH transmission that is triggered by a PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 0;

an SRS transmission that is associated with the CORESETPoolIndex with the value of 0; or

an AP SRS transmission that is triggered by a PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 0;

wherein when the UE is indicated with the second TCI state, the UE is requested to apply a QCL information included in the second TCI state on the reception of one or more of the following channels or signals;

a PDCCH transmission in a CORESET configured or associated with the CORESETPoolIndex with the value of 1;

a PDSCH transmission scheduled by a PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 1;

an AP CSI-RS resource triggered by the PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 1;

a PDSCH transmission of a SPS triggered by the PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 1;

an SPS PDSCH transmission configured or associated the with CORESETPoolIndex with the value of 1; or

a periodic or semi-persistent CSI-RS resource associated with the CORESETPoolIndex with the value of 1;

or,

wherein the UE is requested to apply information of a spatial filter and/or a pathloss reference signal included in the second TCI state on the transmission of one or more of the following channels or signals;

a PUSCH transmission scheduled by a PDCCH transmitted in a CORESET configured or associated with the CORESETPoolIndex with the value of 1;

a PUSCH transmission of a configured grant that is activated by a DCI detected in a PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 1;

a PUSCH transmission of a configured grant that is associated with the CORESETPoolIndex with the value of 1;

a PUCCH transmission associated with the CORESETPoolIndex with the value of 1;

a PUCCH transmission that is triggered by a PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 1;

an SRS transmission that is associated with the CORESETPoolIndex with the value of 1; or

an AP SRS transmission that is triggered by a PDCCH transmitted in the CORESET configured or associated with the CORESETPoolIndex with the value of 1.

13 . The UE of claim 12 , wherein the one or more reference signals comprise a configuration of a spatial filter for the transmission of the uplink channels or signals.

14 . The UE of claim 12 , wherein each TCI state is associated with a pathloss reference signal for the transmission of the uplink channels or signals.

15 . The UE of claim 12 , wherein the at least one of configuration parameters comprises:

a reference signal providing information for determining a spatial filter for a PUSCH, a PUCCH, or a SRS resource comprising a synchronization signal/physical broadcast channel (SS/PBCH) block, a CSI-RS resource, or a SRS resource; or

a reference signal providing a pathloss reference signal for a PUSCH, the PUCCH, or the SRS resource comprising the SS/PBCH block or the CSI-RS resource.

16 . The UE of claim 12 , wherein the processor is configured to perform operations of: determining the TCI state for each channel or reference signal according to an associated TRP.

17 . The UE of claim 16 , wherein when the UE receives a PDCCH, a PDSCH, and/or a CSI-RS resource that is associated with the CORESETPoolIndex with a value of 0, the UE applies the QCL configuration included in the first TCI state,

and wherein when the UE transmits a PUSCH, a PUCCH, and/or an SRS resource that is associated with the CORESETPoolIndex with the value of 0, the UE applies the spatial filter and the pathloss reference signal included in the first TCI state.

18 . The UE of claim 16 , wherein when the UE receives a PDCCH, a PDSCH, and/or a CSI-RS resource that is associated with the CORESETPoolIndex with a value of 1, the UE applies the QCL configuration included in the second TCI state,

and wherein when the UE transmits the PUSCH, the PUCCH, and/or the SRS resource that is associated with the CORESETPoolIndex with the value of 1, the UE applies the spatial filter and the pathloss reference signal included in the second TCI state.

19 . A base station, comprising:

a memory;

a transceiver; and

a processor coupled to the memory and the transceiver;

wherein the processor is configured to perform the method of claim 11 .

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 28, 2022
From: GUO, LI
To: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
Reel/Frame 062229/0202 →
Continuity (3)
Continuation PCTCN2021107957 · Jul 22, 2021
Provisional Application 63076514 · Sep 10, 2020
Related Publication 20230171771A1 · Jun 1, 2023
References Cited (25)
US 20190103908A1 · Yu et al. · 2019 [cited by applicant]
US 20200119875A1 · John Wilson et al. · 2020 [cited by applicant]
US 20200221485A1 · Cirik et al. · 2020 [cited by applicant]
US 20240032025A1 · Gao · 2024 [cited by examiner]
US 20240324026A1 · Gao · 2024 [cited by examiner]
CN 110073609A · 2019 [cited by applicant]
CN 111586862A · 2020 [cited by applicant]
ZTE, “Enhancements on Multi-beam Operation”, 3GPP TSG RAN WG1 Meeting #102-e R1-2005454, e-Meeting, Aug. 17-28, 2020. [cited by applicant]
International Search Report in the international application No. PCT/CN2021/107957, mailed on Oct. 26, 2021. [cited by applicant]
Written Opinion of the International Search Authority in the international application No. PCT/CN2021/107957, mailed on Oct. 26, 2021. [cited by applicant]
3GPP TS 38.211 V16.2.0, “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; NR; Physical channels and modulation (Release 16)”, Technical Specification, (Jun. 2020). [cited by applicant]
3GPP TS 38.212 V16.2.0, “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; NR; Multiplexing and channel coding (Release 16)”, Technical Specification, (Jun. 2020). [cited by applicant]
3GPP TS 38.213 V16.2.0, “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; NR; Physical layer procedures for control (Release 16)”, Technical Specification, (Jun. 2020). [cited by applicant]
3GPP TS 8.214 V16.2.0, “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; NR; Physical layer procedures for data (Release 16)”, Technical Specification, (Jun. 2020). [cited by applicant]
3GPP TS 38.211 V16.0.0, “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; NR; Physical channels and modulation (Release 16)”, Technical Specification, (Dec. 2019). [cited by applicant]
3GPP TS 38.212 V16.0.0, “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; NR; Multiplexing and channel coding (Release 16)”, Technical Specification, (Dec. 2019). [cited by applicant]
3GPP TS 38.213 V16.0.0, “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; NR; Physical layer procedures for control (Release 16)”, Technical Specification, (Dec. 2019). [cited by applicant]
3GPP TS 38.214 V16.0.0, “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; NR; Physical layer procedures for data (Release 16)”, Technical Specification, (Dec. 2019). [cited by applicant]
3GPP TS 38.215 V16.0.0, “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; NR; Physical layer measurements (Release 16)”, Technical Specification, (Dec. 2019). [cited by applicant]
3GPP TS 38.321 V16.0.0, “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; NR; Medium Access Control (MAC) protocol specification (Release 16)”, Technical Specification, (Mar. 2020). [cited by applicant]
3GPP TS 38.331 V16.0.0, “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; NR; Radio Resource Control (RRC) protocol specification (Release 16)”, Technical Specification, (Mar. 2020… [cited by applicant]
ZTE: “Preliminary views on further enhancement for NR MIMO”, 3GPP Draft; R1-2003483,3rd Generation Partnership Project (3GPP), Mobile Competence Centre; 650, Route Des Lucioles ; F-06921 Sophia-Antipolis Cedex; France v… [cited by applicant]
OPPO: “Enhancements on beam management for multi-TRP”, 3GPP Draft; R1-2005986, 3rd Generation Partnership Project (3GPP), Mobile Competence Centre ; 650, Route Des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France vol.… [cited by applicant]
Spreadtrum Communications: “Discussion on enhancements on beam management for multi-TRP”, 3GPP Draft; R1-2006260, 3rd Generation Partnership Project (3GPP), Mobile Competence Centre; 650, Route Des Lucioles ; F-06921 So… [cited by applicant]
Supplementary European Search Report in the European application No. 21865706.2, mailed on Oct. 19, 2023, 9 pages. [cited by applicant]