IP Library › Granted Patent US 12,309,620
Granted Patent B2
US 12,309,620 · App. 18/487,354 · Granted May 20, 2025

CSI transmission with multiple bandwidth parts

Inventors: Hua Zhou (Vienna, VA); Esmael Hejazi Dinan (McLean, VA); Alireza Babaei (Fairfax, VA); Hyoungsuk Jeon (Centreville, VA); Kyungmin Park (Vienna, VA)
Assignee: Ofinno, LLC
H04W24/02H04B7/0626H04L5/001H04L5/0057H04W24/10H04W72/0453H04W72/21H04W72/23
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Quick Facts
Patent No.
US 12,309,620
App. No.
18/487,354
Granted
May 20, 2025
Kind
B2
Abstract

Systems, apparatuses, and methods are described for wireless communications. A base station may send, to a wireless device, a medium access control (MAC) control element (CE) comprising a bandwidth part identifier field and a channel state information (CSI) report configuration field. Based on the MAC CE, the wireless device may activate the CSI report configuration for a bandwidth part indicated by the bandwidth part identifier field. The wireless device may transmit one or more CSI reports based on the CSI report configuration.

Claims (112)

1. A method comprising:

receiving, by a wireless device, a medium access control (MAC) control element (CE) comprising at least two fields, wherein the at least two fields comprise:

a first field indicating a bandwidth part; and

a second field indicating a channel state information (CSI) report configuration for the bandwidth part; and

based on downlink control information (DCI) indicating activation of the bandwidth part, transmitting one or more CSI reports according to the CSI report configuration indicated by the second field.

2. The method of claim 1 , further comprising:

receiving a second MAC CE comprising:

a third field indicating the bandwidth part; and

a fourth field indicating deactivation of the CSI report configuration;

based on the second MAC CE, deactivating the CSI report configuration for the bandwidth part; and

stopping the transmitting the one or more CSI reports.

3. The method of claim 1 , wherein the one or more CSI reports comprises at least one of:

a channel quality indicator;

a precoding matrix index;

a rank indicator; or

a layer 1 reference signal received power.

4. The method of claim 1 , further comprising:

receiving, prior to receiving the MAC CE, at least one radio resource control (RRC) message comprising configuration parameters for a cell, wherein the configuration parameters comprise:

an indication of one or more bandwidth part configuration parameters for the bandwidth part; and

an indication of one or more CSI report configuration parameters.

5. The method of claim 1 , wherein the CSI report configuration is associated with semi-persistent CSI reporting via a physical uplink control channel, and wherein the MAC CE further comprises:

a semi-persistent (SP) channel state information reference signal (CSI-RS) resource set; and

an indicator indicating activation of the SP CSI-RS resource set.

6. The method of claim 1 , further comprising:

determining, based on the CSI report configuration, a type of transmission for the one or more CSI reports; and

transmitting, via a physical uplink shared channel and based on a determination that the type of transmission comprises an aperiodic transmission, the one or more CSI reports.

7. The method of claim 1 , further comprising:

determining, based on the CSI report configuration, a type of transmission for the one or more CSI reports; and

transmitting, via a physical uplink control channel and based on a determination that the type of transmission comprises a semi-persistent transmission, the one or more CSI reports.

8. The method of claim 1 , further comprising:

activating, based on the DCI, the bandwidth part indicated by the first field of the MAC CE.

9. A method comprising:

sending, by a base station, a medium access control (MAC) control element (CE) comprising at least two fields, wherein the at least two fields comprise:

a first field indicating a bandwidth part; and

a second field indicating a channel state information (CSI) report configuration for the bandwidth part; and

based on sending downlink control information (DCI) indicating activation of the bandwidth part, receiving, from a wireless device, one or more CSI reports for the bandwidth part and associated with the CSI report configuration.

10. The method of claim 9 , further comprising:

sending a second MAC CE comprising:

a third field indicating the bandwidth part; and

a fourth field indicating deactivation of the CSI report configuration;

based on sending the second MAC CE, deactivating the CSI report configuration for the bandwidth part.

11. The method of claim 9 , wherein the one or more CSI reports comprises at least one of:

a channel quality indicator;

a precoding matrix index;

a rank indicator; or

a layer 1 reference signal received power.

12. The method of claim 9 , further comprising:

sending, prior to sending the MAC CE, at least one radio resource control (RRC) message comprising configuration parameters for a cell, wherein the configuration parameters comprise:

an indication of one or more bandwidth part configuration parameters for the bandwidth part; and

an indication of one or more CSI report configuration parameters.

13. The method of claim 9 , wherein the CSI report configuration is associated with semi-persistent CSI reporting via a physical uplink control channel, and wherein the MAC CE further comprises:

a semi-persistent (SP) channel state information reference signal (CSI-RS) resource set; and

an indicator indicating activation of the SP CSI-RS resource set.

14. The method of claim 9 , wherein the one or more CSI reports are received via a physical uplink shared channel.

15. A wireless device comprising:

one or more processors; and

memory storing instructions that, when executed by the one or more processors, configure the wireless device to:

receive a medium access control (MAC) control element (CE) comprising at least two fields, wherein the at least two fields comprise:

a first field indicating a bandwidth part; and

a second field indicating a channel state information (CSI) report configuration; and

based on downlink control information (DCI) indicating activation of the bandwidth part, transmit one or more CSI reports according to the CSI report configuration indicated by the second field.

16. The wireless device of claim 15 , wherein the instructions, when executed by the one or more processors, configure the wireless device to:

receive a second MAC CE comprising:

a third field indicating the bandwidth part; and

a fourth field indicating deactivation of the CSI report configuration;

based on the second MAC CE, deactivate the CSI report configuration for the bandwidth part; and

stop transmitting the one or more CSI reports.

17. The wireless device of claim 15 , wherein the one or more CSI reports comprises at least one of:

a channel quality indicator;

a precoding matrix index;

a rank indicator; or

a layer 1 reference signal received power.

18. The wireless device of claim 15 , wherein the instructions, when executed by the one or more processors, configure the wireless device to:

receive, prior to receiving the MAC CE, at least one radio resource control (RRC) message comprising configuration parameters for a cell, wherein the configuration parameters comprise:

an indication of one or more bandwidth part configuration parameters for the bandwidth part; and

an indication of one or more CSI report configuration parameters.

19. The wireless device of claim 15 , wherein the CSI report configuration is associated with semi-persistent CSI reporting via a physical uplink control channel, and wherein the MAC CE further comprises:

a semi-persistent (SP) channel state information reference signal (CSI-RS) resource set; and

an indicator indicating activation of the SP CSI-RS resource set.

20. The wireless device of claim 15 , wherein the instructions, when executed by the one or more processors, configure the wireless device to:

determine, based on the CSI report configuration, a type of transmission for the one or more CSI reports; and

transmit, via a physical uplink shared channel and based on a determination that the type of transmission comprises an aperiodic transmission, the one or more CSI reports.

21. The wireless device of claim 15 , wherein the instructions, when executed by the one or more processors, configure the wireless device to:

determine, based on the CSI report configuration, a type of transmission for the one or more CSI reports; and

transmit, via a physical uplink control channel and based on a determination that the type of transmission comprises a semi-persistent transmission, the one or more CSI reports.

22. The wireless device of claim 15 , wherein the instructions, when executed by the one or more processors, configure the wireless device to:

activate, based on the DCI, the bandwidth part indicated by the first field of the MAC CE.

23. A base station comprising:

one or more processors; and

memory storing instructions that, when executed by the one or more processors, configure the base station to:

send a medium access control (MAC) control element (CE) comprising at least two fields, wherein the at least two fields comprise:

a first field indicating a bandwidth part; and

a second field indicating a channel state information (CSI) report configuration for the bandwidth part; and

based on sending downlink control information (DCI) indicating activation of the bandwidth part, receive, from a wireless device, one or more CSI reports for the bandwidth part and associated with the CSI report configuration.

24. The base station of claim 23 , wherein the instructions, when executed by the one or more processors, configure the base station to:

send a second MAC CE comprising:

a third field indicating the bandwidth part; and

a fourth field indicating deactivation of the CSI report configuration;

based on sending the second MAC CE, deactivate the CSI report configuration for the bandwidth part.

25. The base station of claim 23 , wherein the one or more CSI reports comprises at least one of:

a channel quality indicator;

a precoding matrix index;

a rank indicator; or

a layer 1 reference signal received power.

26. The base station of claim 23 , wherein the instructions, when executed by the one or more processors, configure the base station to:

send, prior to sending the MAC CE, at least one radio resource control (RRC) message comprising configuration parameters for a cell, wherein the configuration parameters comprise:

an indication of one or more bandwidth part configuration parameters for the bandwidth part; and

an indication of one or more CSI report configuration parameters.

27. The base station of claim 23 , wherein the CSI report configuration is associated with semi-persistent CSI reporting via a physical uplink control channel, and wherein the MAC CE further comprises:

a semi-persistent (SP) channel state information reference signal (CSI-RS) resource set; and

an indicator indicating activation of the SP CSI-RS resource set.

28. The base station of claim 23 , wherein the one or more CSI reports are received via a physical uplink shared channel.

Assignments (4)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 19, 2024
From: COMCAST CABLE COMMUNICATIONS, LLC
To: OFINNO, LLC
Reel/Frame 069743/0577 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 17, 2024
From: ZHOU, HUA; DINAN, ESMAEL HEJAZI; JEON, HYOUNGSUK; BABAEI, ALIREZA; PARK, KYUNGMIN
To: COMCAST CABLE COMMUNICATIONS, LLC
Reel/Frame 068608/0452 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 17, 2024
From: ZHOU, HUA; DINAN, ESMAEL HEJAZI; BABAEI, ALIREZA; JEON, HYOUNGSUK; PARK, KYUNGMIN
To: COMCAST CABLE COMMUNICATIONS, LLC
Reel/Frame 068608/0588 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 17, 2024
From: ZHOU, HUA; DINAN, ESMAEL HEJAZI; BABAEI, ALIREZA; JEON, HYOUNGSUK; PARK, KYUNGMIN
To: COMCAST CABLE COMMUNICATIONS, LLC
Reel/Frame 068608/0664 →
Continuity (5)
Continuation 17476991 · Sep 16, 2021
Continuation 16185821 · Nov 9, 2018
Provisional Application 62587058 · Nov 16, 2017
Provisional Application 62583650 · Nov 9, 2017
Related Publication 20240121634A1 · Apr 11, 2024
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R1-1716040 3GPP TSG RAN WG1 Meeting NR Ad Hoc, Nagoya, Japan, Sep. 18-21, 2017, Source: Samsung, Title: On UL Power Control. [cited by applicant]
R1-1716061 3GPP TSG RAN WG1 Meeting NR Ad Hoc, Nagoya, Japan, Sep. 18-21, 2017, Source: CMCC, Title: Discussion on power control framework. [cited by applicant]
R1-1716114 3GPP TSG RAN WG1 Meeting NR Ad Hoc, Nagoya, Japan, Sep. 18-21, 2017, Source: NTT Docomo, Inc., Title: Power control framework for PUSCH. [cited by applicant]
R1-1716127 3GPP TSG RAN WG1 Meeting NR Ad Hoc, Nagoya, Japan, Sep. 18-21, 2017, Source: Nokia, Nokia Shanghai Bell, Title: Discussion on NR power control framework. [cited by applicant]
R1-1716451 3GPP TSG RAN WG1 Meeting NR Ad Hoc, Nagoya, Japan, Sep. 18-21, 2017, Source: Qualcomm Incorporated, Title: Power control and PHR for NR. [cited by applicant]
R1-1716515 3GPP TSG RAN WG1 Meeting NR Ad Hoc, Nagoya, Japan, Sep. 18-21, 2017, Source: InterDigital Inc., Title: Further Details on Uplink Power Control. [cited by applicant]
R1-1716535 3GPP TSG RAN WG1 Meeting NR Ad Hoc, Nagoya, Japan, Sep. 18-21, 2017, Source: Panasonic, Title: Discussion on NR power control framework. [cited by applicant]
R1-1716604 3GPP TSG RAN WG1 Meeting NR Ad Hoc, Nagoya, Japan, Sep. 18-21, 2017, Source: Ericsson, Title: NR UL power control framework. [cited by applicant]
R1-1716606 3GPP TSG RAN WG1 Meeting NR Ad Hoc, Nagoya, Japan, Sep. 18-21, 2017, Source: Ericsson, Title: Closed loop PC in NR. [cited by applicant]
R1-1717311 3GPP TSG RAN WG1 Meeting NR Ad Hoc, Nagoya, Japan, Sep. 18-21, 2017, Source: Huawei, HiSilicon, Title: General considerations on UL power control design. [cited by applicant]
R1-1717408 3GPP TSG RAN WG1 Meeting #90bis, Prague, Czech Republic, Oct. 9-13, 2017, Source: Intel Corporation, Title: Remaining Details On UL Power Control Framework. [cited by applicant]
R1-1717438 3GPP TSG RAN WG1 Meeting #90bis, Prague, Czech Republic, Oct. 9-13, 2017, Source: ZTE, Sanechips, Title: On NR Power Control. [cited by applicant]
R1-1717508 3GPP TSG RAN WG1 Meeting #90bis, Prague, Czech Republic, Oct. 9-13, 2017, Source: vivo, Title: Remaining issues on NR UL power control. [cited by applicant]
R1-1717692 3GPP TSG RAN WG1 Meeting #90bis, Prague, Czech Republic, Oct. 9-13, 2017, Source: Samsung, Title: On UL Power Control. [cited by applicant]
R1-1717846 3GPP TSG RAN WG1 Meeting NR Ad Hoc, Nagoya, Japan, Sep. 18-21, 2017, Source: CATT, Title: NR Power Control Aspects. [cited by applicant]
R1-1717892 3GPP TSG RAN WG1 Meeting #90bis, Prague, Czech Republic, Oct. 9-13, 2017, Source: CMCC, Title: Discussion on power control framework. [cited by applicant]
R1-1717919 3GPP TSG RAN WG1 Meeting #90bis, Prague, Czech Republic, Oct. 9-13, 2017, Source: Panasonic, Title: Discussion on NR power control framework. [cited by applicant]
R1-1717983 3GPP TSG RAN WG1 Meeting #90bis, Prague, Czech Republic, Oct. 9-13, 2017, Source: LG Electronics, Title: Discussion on UL power control for NR. [cited by applicant]
R1-1718031 3GPP TSG RAN WG1 Meeting #90bis, Prague, Czech Republic, Oct. 9-13, 2017, Source: OPPO, Title: On uplink power control for NR. [cited by applicant]
R1-1718228 3GPP TSG RAN WG1 Meeting #90bis, Prague, Czech Republic, Oct. 9-13, 2017, Source: NTT Docomo, Inc., Title: Power control framework for PUSCH. [cited by applicant]
R1-1718502 3GPP TSG RAN WG1 Meeting #90bis, Prague, Czech Republic, Oct. 9-13, 2017, Source: InterDigital, Inc., Title: On NR Power Control Framework. [cited by applicant]
R1-1718592 3GPP TSG RAN WG1 Meeting #90bis, Prague, Czech Republic, Oct. 9-13, 2017, Source: Qualcomm Incorporated, Title: Power control and PHR for NR. [cited by applicant]
R1-1718625 3GPP TSG RAN WG1 Meeting #90bis, Prague, Czech Republic, Oct. 9-13, 2017, Source: ITL, Title: UL power control and PHR. [cited by applicant]
R1-1718652 3GPP TSG RAN WG1 Meeting #90bis, Prague, Czech Republic, Oct. 9-13, 2017, Source: Ericsson, Title: NR power control framework. [cited by applicant]
R1-1718655 3GPP TSG RAN WG1 Meeting #90bis, Prague, Czech Republic, Oct. 9-13, 2017, Source: Ericsson, Title: Further details on closed loop power control. [cited by applicant]
R1-1718692 3GPP TSG RAN WG1 Meeting #90bis, Prague, Czech Republic, Oct. 9-13, 2017, Source: Nokia, Nokia Shanghai Bell, Title: Discussion on NR power control framework. [cited by applicant]
R1-1718704 3GPP TSG RAN WG1 Meeting #90bis, Prague, Czech Republic, Oct. 9-13, 2017, Source: Motorola Mobility, Lenovo, Title: On NR power control. [cited by applicant]
3GPP TS 36.413 V13.3.0 (Jun. 2016), Technical Specification, 3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access Network (E-Utran); S1 Appli… [cited by applicant]
3GPP TS 36.211 V14.3.0 (Jun. 2017); Technical Specification; 3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA); Physical channels… [cited by applicant]
3GPP TS 36.212 V14.3.0 (Jun. 2017); Technical Specification; 3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA); Multiplexing and … [cited by applicant]
3GPP TS 36.213 V14.3.0 (Jun. 2017); Technical Specification; 3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA); Physical layer pr… [cited by applicant]
3GPP TS 36.321 V10.3.0 (Sep. 2011), Technical Specification, 3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA); Medium Access Con… [cited by applicant]
3GPP TS 36.321 V14.3.0 (Jun. 2017), Technical Specification, 3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA); Medium Access Con… [cited by applicant]
3GPP TS 36.331 V14.3.0 (Jun. 2017), Technical Specification, 3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA); Radio Resource Co… [cited by applicant]
3GPP TR 38.802 V14.1.0 (Jun. 2017), Technical Report, 3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Study on New Radio Access Technology Physical Layer Aspects (Release 14). [cited by applicant]
3GPP TR 38.912 V14.0.0 (Mar. 2017), Technical Report, 3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Study on New Radio (NR) Access Technology (Release 14). [cited by applicant]
3GPP TSG RAN WG1 Meeting #90bis, Prague, Czech Republic, Oct. 9-13, 2017, Title: RAN1 Chairman's Notes. [cited by applicant]
3GPP TSG RAN WG1 Meeting #93, Busan, Korea, May 21-25, 2018, Title: RAN1 Chairman's Notes. [cited by applicant]
3GPP TSG RAN WG2 NR Ad Hoc, Vancouver, Canada, Jan. 22-26, 2018, Source: Session Chair (InterDigital), Title: Report from LTE and NR User Plane Break-Out Session. [cited by applicant]
R2-1711835 3GPP TSG RAN WG2 Meeting #99bis, Prague, Czech Republic, Oct. 9-13, 2017, Source: Session Chair (InterDigital), Title: Report from LTE and NR User Plane Break-Out Session. [cited by applicant]
R1-1716353 3GPP TSG RAN WG1 Meeting NR Ad Hoc, Nagoya, Japan, Sep. 18-21, 2017, Source: Ericsson, Title: On dynamic triggering for CSI reports and CSI-RS. [cited by applicant]
R1-1716354 3GPP TSG RAN WG1 Meeting NR Ad Hoc, Nagoya, Japan, Sep. 18-21, 2017, Source: Ericsson, Title: A comparison of CSI-RS activation schemes based on MAC CE and DCI. [cited by applicant]
R1-1716357 3GPP TSG RAN WG1 Meeting NR Ad Hoc, Nagoya, Japan, Sep. 18-21, 2017, Source: Ericsson, Title: On semi-persistent CSI reporting on PUSCH. [cited by applicant]
R1-1717939 3GPP TSG RAN WG1 Meeting #90bis, Prague, Czech Republic, Oct. 9-13, 2017, Source: LG Electronics, Title: Discussion on CSI measurement. [cited by applicant]
R1-1801073 3GPP TSG RAN WG1 NR Ad Hoc, Vancouver, Canada, Jan. 22-26, 2018, Source: RAN2, Title: LS on PDCCH order for initiation of random access. [cited by applicant]
R1-1805701 3GPP TSG RAN WG1 Meeting #92bis, Sanya, China, Apr. 16-20, 2018, Source: Qualcomm Incorporated, Title: Summary of Remaining Details on RACH Procedure. [cited by applicant]
R1-1805876 3GPP TSG RAN WG1 Meeting #93, Busan, Korea, May 21-25, 2018, Source: Huawei, HiSilicon, Title: Remaining details of RACH Procedures. [cited by applicant]
Cited By (1)
US 12,707,293