Channel state information (CSI) reporting for bandwidth parts

1. An apparatus of a user equipment (UE) operable for channel state information (CSI) reporting, the apparatus comprising:

one or more processors configured to:

decode, at the UE, CSI reporting settings to configure the UE to calculate CSI to generate two or more CSI reports;

determine, at the UE, a subset of the two or more CSI reports, wherein the subset of the two or more CSI reports has a maximum payload size that is less than an available payload size, wherein the subset is selected according to a predetermined rule; and

encode, at the UE for transmission to a next generation node B (gNB), the subset of the two or more CSI reports; and

a memory interface configured to send the subset of the two or more CSI reports to a memory.

2. The apparatus of claim 1 , wherein the one or more processors are further configured to:

decode, at the UE, CSI reporting settings to configure the UE to calculate CSI to generate the two or more CSI reports, wherein each CSI reporting setting is associated with a single downlink (DL) bandwidth part (BWP).

3. The apparatus of claim 1 , wherein the one or more processors are further configured to:

decode, at the UE, downlink control information (DCI) that includes a trigger for aperiodic CSI reporting for one or more bandwidth parts (BWPs).

4. The apparatus of claim 1 , wherein the one or more processors are further configured to:

decode, at the UE, DCI that indicates an active BWP, wherein the active BWP is configured to provide CSI reporting.

5. The apparatus of claim 1 , wherein the one or more processors are further configured to:

decode, at the UE, a radio resource control (RRC) signal that includes information indicating a single downlink (DL) bandwidth part (BWP) associated with each CSI reporting setting.

6. The apparatus of claim 1 , wherein the one or more processors are further configured to:

decode, at the UE, downlink control information (DCI) that includes a trigger for semi-persistent CSI reporting for an active bandwidth part (BWP).

7. The apparatus of claim 1 , wherein the one or more processors are further configured to:

select, at the UE, the subset of the two or more CSI reports according to the predetermined rule, wherein the predetermined rule is based on a serving cell index.

8. The apparatus of claim 1 , wherein the one or more processors are further configured to:

select, at the UE, the subset of the two or more CSI reports according to the predetermined rule, wherein the predetermined rule is based on an index of a CSI reporting setting.

9. The apparatus of claim 1 , wherein the UE includes an antenna, a touch sensitive display screen, a speaker, a microphone, a graphics processor, an application processor, an internal memory, a non-volatile memory port, or combinations thereof.

10. An apparatus of a next generation node B (gNB) operable for channel state information (CSI) reporting, the apparatus comprising:

one or more processors configured to:

encode, at the gNB, CSI reporting settings to configure a user equipment (UE) to calculate CSI to generate two or more CSI reports;

encode, at the gNB, two or more CSI reports, wherein a subset of the two or more CSI reports has a maximum payload size that is less than an available payload size, wherein the subset is selected at the UE according to a predetermined rule;

decode, at the gNB, the subset of the two or more CSI reports; and

a memory interface configured to send the subset of the two or more CSI reports to a memory.

11. The apparatus of claim 10 , wherein the one or more processors are further configured to:

encode, at the gNB, CSI reporting settings to configure the UE to calculate CSI to generate the two or more CSI reports, wherein each CSI reporting setting is associated with a single downlink (DL) bandwidth part (BWP).

12. The apparatus of claim 10 , wherein the one or more processors are further configured to:

encode, at the gNB, downlink control information (DCI) that includes a trigger for aperiodic CSI reporting for one or more bandwidth parts (BWPs).

13. The apparatus of claim 10 , wherein the one or more processors are further configured to:

encode, at the gNB, DCI that indicates an active BWP, wherein the active BWP is configured to provide CSI reporting.

14. The apparatus of claim 10 , wherein the one or more processors are further configured to:

encode, at the gNB, a radio resource control (RRC) signal that includes information indicating a single downlink (DL) bandwidth part (BWP) associated with each CSI reporting setting.

15. The apparatus of claim 10 , wherein the one or more processors are further configured to:

encode, at the gNB, downlink control information (DCI) that includes a trigger for semi-persistent CSI reporting for an active bandwidth part (BWP).

16. At least one non-transitory machine readable storage medium having instructions embodied thereon for channel state information (CSI) reporting, the instructions when executed by one or more processors at a user equipment (UE) perform the following:

decoding, at the UE, CSI reporting settings to configure the UE to calculate CSI to generate two or more CSI reports;

determining, at the UE, a subset of the two or more CSI reports, wherein the subset of the two or more CSI reports has a maximum payload size that is less than an available payload size, wherein the subset is selected according to a predetermined rule; and

encoding, at the UE for transmission to a next generation node B (gNB), the subset of the two or more CSI reports.

17. The at least one non-transitory machine readable storage medium of claim 16 , further comprising instructions that when executed perform:

decoding, at the UE, CSI reporting settings to configure the UE to calculate CSI to generate the two or more CSI reports, wherein each CSI reporting setting is associated with a single downlink (DL) bandwidth part (BWP).

18. The at least one non-transitory machine readable storage medium of claim 16 , further comprising instructions that when executed perform:

decoding, at the UE, downlink control information (DCI) that includes a trigger for aperiodic CSI reporting for one or more bandwidth parts (BWPs).

19. The at least one non-transitory machine readable storage medium of claim 16 , further comprising instructions that when executed perform:

decoding, at the UE, DCI that indicates an active BWP, wherein the active BWP is configured to provide CSI reporting.

20. The at least one non-transitory machine readable storage medium of claim 16 , further comprising instructions that when executed perform:

decoding, at the UE, a radio resource control (RRC) signal that includes information indicating a single downlink (DL) bandwidth part (BWP) associated with each CSI reporting setting.

21. The at least one non-transitory machine readable storage medium of claim 16 , further comprising instructions that when executed perform:

decoding, at the UE, downlink control information (DCI) that includes a trigger for semi-persistent CSI reporting for an active bandwidth part (BWP).

22. The at least one non-transitory machine readable storage medium of claim 16 , further comprising instructions that when executed perform:

selecting, at the UE, the subset of the two or more CSI reports according to the predetermined rule, wherein the predetermined rule is based on a serving cell index.

23. The at least one non-transitory machine readable storage medium of claim 16 , further comprising instructions that when executed perform:

selecting, at the UE, the subset of the two or more CSI reports according to the predetermined rule, wherein the predetermined rule is based on an index of a CSI reporting setting.