US-12627539-B2 - Configurations corresponding to inter-carrier interference

Abstract

Apparatuses, methods, and systems are disclosed for configurations corresponding to inter-carrier interference. One method includes receiving, at a user equipment (UE), first configuration information for reference signals for performing inter-carrier interference (ICI) estimation including time-frequency resources, a multiplexing pattern, a time-domain behavior, or some combination thereof. The method includes receiving second configuration information for reporting ICI. The second configuration information includes instances of the reference signals for ICI estimation, the time-frequency resources for reporting, the time-domain behavior for reporting, or some combination thereof. The method includes measuring the ICI due to phase noise. The method includes transmitting the ICI report. The method includes receiving third configuration information for performing ICI pre-distortion and phase-tracking reference-signal (PT-RS) adaptation.

Inventors

• Ali RAMADAN ALI
• Ankit BHAMRI
• Sher Ali Cheema

Assignees

• LENOVO (SINGAPORE) PTE. LTD.

Dates

Publication Date

20260512

Application Date

20220304

Claims (20)

1. 1 . A user equipment (UE), comprising: at least one memory; and at least one processor coupled with the at least one memory and configured to cause the UE to: receive first configuration information for reference signals for performing inter-carrier interference (ICI) estimation including time-frequency resources, a multiplexing pattern, a time-domain behavior, or a combination thereof; receive second configuration information for reporting ICI, wherein the second configuration information comprises instances of the reference signals for ICI estimation, the time-frequency resources for reporting, the time-domain behavior for reporting, or a combination thereof; measure the ICI due to phase noise; transmit an ICI report; and receive third configuration information for performing ICI pre-distortion and phase-tracking reference-signal (PT-RS) adaptation.
2. 2 . The UE of claim 1 , wherein the at least one processor is configured to cause the UE to receive fourth configuration information configuring a mobility status report, and the fourth configuration information comprises a mobility indication based on estimating a time variation of a downlink (DL) channel amplitude, Doppler over several DL slots, internal sensors, or a combination thereof.
3. 3 . The UE of claim 1 , wherein the at least one processor is configured to cause the UE to receive a downlink configuration information (DCI) configuration for PT-RS and an indication to estimate a matrix of the ICI caused by phase noise.
4. 4 . The UE of claim 1 , wherein the at least one processor is configured to cause the UE to configure a common RS shared between multiple UEs, and using the common RS in an allocated band and out of the allocated band to estimate ICI.
5. 5 . The UE of claim 1 , wherein the at least one processor is configured to cause the UE to configure resources to report the ICI in a physical uplink control channel (PUCCH) or a physical uplink shared channel (PUSCH).
6. 6 . The UE of claim 1 , wherein the at least one processor is configured to cause the UE to configure reporting of a full ICI matrix for all PT-RS sub-carriers without a main diagonal.
7. 7 . The UE of claim 1 , wherein the at least one processor is configured to cause the UE to configure quantization of an ICI matrix by reporting some sub-diagonals adjacent to a main diagonal that contain highest ICI coefficients and performing averaging over the sub-diagonals to further quantize the ICI report.
8. 8 . The UE of claim 1 , wherein the at least one processor is configured to cause the UE to report ICI coefficients over multiple UL PUCCH slots or multiple UL PUSCH slots if the time-frequency resources granted for one slot is not enough to carry the ICI report.
9. 9 . The UE of claim 1 , wherein the at least one processor is configured to cause the UE to receive a configuration of PT-RSs based on a reported ICI and shared among a group of UEs with similar characteristics as a reporting UE.
10. 10 . The UE of claim 1 , wherein the at least one processor is configured to cause the UE to receive a transmission pre-distorted with a reported ICI after reporting a sub-set ICI or common phase shift for calibration of a mismatch of the phase noise.
11. 11 . The UE of claim 1 , wherein the at least one processor is configured to cause the UE to receive an updated PT-RS configuration for uplink (UL) transmission and for DL transmission based on UL ICI estimation, downlink (DL) ICI estimation, or a combination thereof.
12. 12 . The UE of claim 1 , wherein the reference signals comprise a PT-RS, an enhanced CSI-RS, or a combination thereof.
13. 13 . The UE of claim 1 , wherein the reference signals are in addition to a PT-RS.
14. 14 . A processor for wireless communication, comprising: at least one controller coupled with at least one memory and configured to cause the processor to: receive first configuration information for reference signals for performing inter-carrier interference (ICI) estimation including time-frequency resources, a multiplexing pattern, a time-domain behavior, or a combination thereof; receive second configuration information for reporting ICI, wherein the second configuration information comprises instances of the reference signals for ICI estimation, the time-frequency resources for reporting, the time-domain behavior for reporting, or a combination thereof; measure the ICI due to phase noise; transmit an ICI report; and receive third configuration information for performing ICI pre-distortion and phase-tracking reference-signal (PT-RS) adaptation.
15. 15 . The processor of claim 14 , wherein the at least one controller is configured to cause the processor to receive fourth configuration information configuring a mobility status report, and the fourth configuration information comprises a mobility indication based on estimating a time variation of a downlink (DL) channel amplitude, Doppler over several DL slots, internal sensors, or a combination thereof.
16. 16 . The processor of claim 14 , wherein the at least one controller is configured to cause the processor to receive a downlink configuration information (DCI) configuration for the PT-RS and an indication to estimate a matrix of the ICI caused by phase noise.
17. 17 . The processor of claim 14 , wherein the at least one controller is configured to cause the processor to configure a common RS shared between multiple UEs, and using the common RS in an allocated band and out of the allocated band to estimate ICI.
18. 18 . The processor of claim 14 , wherein the at least one controller is configured to cause the processor to configure resources to report the ICI in a physical uplink control channel (PUCCH) or a physical uplink shared channel (PUSCH).
19. 19 . A base station, comprising: at least one memory; and at least one processor coupled with the at least one memory and configured to cause the base station to: transmit first configuration information for reference signals for performing inter-carrier interference (ICI) estimation including time-frequency resources, a multiplexing pattern, a time-domain behavior, or a combination thereof; transmit second configuration information for reporting ICI, wherein the second configuration information comprises instances of the reference signals for ICI estimation, the time-frequency resources for reporting, the time-domain behavior for reporting, or a combination thereof; receive an ICI report; and transmit third configuration information for performing ICI pre-distortion and phase-tracking reference-signal (PT-RS) adaptation.
20. 20 . A method performed by a user equipment (UE), the method comprising: receiving first configuration information for reference signals for performing inter-carrier interference (ICI) estimation including time-frequency resources, a multiplexing pattern, a time-domain behavior, or a combination thereof; receiving second configuration information for reporting ICI, wherein the second configuration information comprises instances of the reference signals for ICI estimation, the time-frequency resources for reporting, the time-domain behavior for reporting, or a combination thereof; measuring the ICI due to phase noise; transmitting an ICI report; and receiving third configuration information for performing ICI pre-distortion and phase-tracking reference-signal (PT-RS) adaptation.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS This application claims priority to U.S. Patent Application Ser. No. 63/158,194 entitled “APPARATUSES, METHODS, AND SYSTEMS FOR ICI REPORTING FOR PT-RS ADAPTATION” and filed on Mar. 8, 2021 for Ali Ramadan Ali, which is incorporated herein by reference in its entirety. FIELD The subject matter disclosed herein relates generally to wireless communications and more particularly relates to configurations corresponding to inter-carrier interference. BACKGROUND In certain wireless communications networks, high density phase tracking references signals may be used in conjunction with inter-carrier interference. In such networks, there may be reduced spectral efficiency. BRIEF SUMMARY Methods for configurations corresponding to inter-carrier interference are disclosed. Apparatuses and systems also perform the functions of the methods. One embodiment of a method includes receiving, at a user equipment (UE), first configuration information for reference signals for performing inter-carrier interference (ICI) estimation including time-frequency resources, a multiplexing pattern, a time-domain behavior, or some combination thereof. In some embodiments, the method includes receiving second configuration information for reporting ICI. The second configuration information includes instances of the reference signals for ICI estimation, the time-frequency resources for reporting, the time-domain behavior for reporting, or some combination thereof. In certain embodiments, the method includes measuring the ICI due to phase noise. In various embodiments, the method includes transmitting the ICI report. In some embodiments, the method includes receiving third configuration information for performing ICI pre-distortion and phase-tracking reference-signal (PT-RS) adaptation. One apparatus for configurations corresponding to inter-carrier interference includes a user equipment (UE). In some embodiments, the apparatus includes a receiver that: receives first configuration information for reference signals for performing inter-carrier interference (ICI) estimation including time-frequency resources, a multiplexing pattern, a time-domain behavior, or some combination thereof: and receives second configuration information for reporting ICI. The second configuration information includes instances of the reference signals for ICI estimation, the time-frequency resources for reporting, the time-domain behavior for reporting, or some combination thereof. In various embodiments, the apparatus includes a processor that measures the ICI due to phase noise. In certain embodiments, the apparatus includes a transmitter that transmits the ICI report. In some embodiments, the receiver receives third configuration information for performing ICI pre-distortion and phase-tracking reference-signal (PT-RS) adaptation. Another embodiment of a method for configurations corresponding to inter-carrier interference includes transmitting, from a network device, first configuration information for reference signals for performing inter-carrier interference (ICI) estimation including time-frequency resources, a multiplexing pattern, a time-domain behavior, or some combination thereof. In some embodiments, the method includes transmitting second configuration information for reporting ICI. The second configuration information includes instances of the reference signals for ICI estimation, the time-frequency resources for reporting, the time-domain behavior for reporting, or some combination thereof. In certain embodiments, the method includes receiving the ICI report. In various embodiments, the method includes transmitting third configuration information for performing ICI pre-distortion and phase-tracking reference-signal (PT-RS) adaptation. Another apparatus for configurations corresponding to inter-carrier interference includes a network device. In some embodiments, the apparatus includes a transmitter that: transmits first configuration information for reference signals for performing inter-carrier interference (ICI) estimation including time-frequency resources, a multiplexing pattern, a time-domain behavior, or some combination thereof: and transmits second configuration information for reporting ICI. The second configuration information includes instances of the reference signals for ICI estimation, the time-frequency resources for reporting, the time-domain behavior for reporting, or some combination thereof. In various embodiments, the apparatus includes a receiver that receives the ICI report. In certain embodiments, the transmitter transmits third configuration information for performing ICI pre-distortion and phase-tracking reference-signal (PT-RS) adaptation. BRIEF DESCRIPTION OF THE DRAWINGS A more particular description of the embodiments briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings. Understanding that these drawings depict on