System and method for channel quality reporting

1. An apparatus of a user equipment (UE), the apparatus comprising:

a memory device; and

one or more processors, operatively coupled to the memory device, to:

determine a reporting mode for the UE based on a message received at the UE from an eNodeB;

generate a channel state information (CSI) reporting message based on the reporting mode;

encode extra-large physical uplink control channel (xPUCCH) data to include the CSI reporting message, wherein the CSI reporting message comprises a channel quality indicator (CQI) and at least one of a beam reference signal identifier (BRSID) or a beam quality indicator (BQI); and

in response to determining that the reporting mode is a third mode, the one or more processors are further to:

determine a first CQI value for a first beam index (BI) and a second CQI value for a second BI,

determine a first BQI value for a first BRSID and a second BQI value for a second BRSID; and

generate the CSI reporting message comprising the first CQI value, the second CQI value, the first BQI, and the second BQI value.

2. The apparatus of claim 1 , wherein the message received at the UE comprises downlink control information (DCI) and wherein the one or more processors are to determine the reporting mode based on a reporting mode indicator included in the DCI.

3. The apparatus of claim 2 , wherein the one or more processors are further to determine an uplink sub-frame for the CSI reporting message, the uplink sub-frame having an ordinal number corresponding to an ordinal number of a downlink sub-frame carrying the DCI.

4. The apparatus of claim 1 , wherein the message received at the UE from the eNodeB comprises a high layer configuration message.

5. The apparatus of claim 1 , wherein the CSI reporting message comprises a BI and a CQI report comprising the CQI based on at least one of a precoding matrix indicator (PMI) or a rank indicator (RI).

6. The apparatus of claim 1 , wherein the CSI reporting message comprises a BQI report comprising the at least one of the BRSID or the BQI.

7. The apparatus of claim 1 , wherein, in response to determining that the reporting mode is a first mode, the one or more processors are to:

determine a wideband CQI value based for a BI;

determine a wideband BQI value for a BRSID; and

generate the CSI reporting message comprising the wideband CQI value and the wideband BQI value.

8. The apparatus of claim 1 , wherein, in response to determining that the reporting mode is a second mode, the one or more processors are to:

determine a first CQI value for a first BI and a second CQI value for a second BI;

determine a BQI value for a BRSID; and

generate the CSI reporting message comprising the first CQI value, the second CQI value, and the BQI value.

9. The apparatus of claim 1 , wherein, in response to determining that the reporting mode is a fourth mode, the one or more processors are to:

determine a CQI value for a BI;

determine a first beam quality indicator (BQI) value for a first BRSID and a second BQI value for a second BRSID; and

generate the CSI reporting message comprising the CQI value, the first BQI value, and the second BQI value.

10. The apparatus of claim 1 , wherein to determine the reporting mode for the UE, the one or more processors are to determine a number of CQI values to report and a number of BQI values to report.

11. The apparatus of claim 1 , further comprising:

radio frequency (RF) circuitry coupled to the one or more processors;

front-end module circuitry coupled to the RF circuitry; and

an antenna coupled to the front-end module circuitry,

wherein to cause the CSI reporting message to be transmitted over a xPUCCH, the one or more processors are to encode the CSI reporting message and cause the CSI reporting message to be transmitted by the antenna.

12. An apparatus of a user equipment (UE), the apparatus comprising:

a memory device; and

one or more processors, operatively coupled to the memory device, to:

determine a reporting mode for the UE based on a message received at the UE from an eNodeB;

generate a channel state information (CSI) reporting message based on the reporting mode; and

encode extra-large physical uplink control channel (xPUCCH) data to include the CSI reporting message, wherein, in response to determining that the reporting mode is a third mode, the one or more processors are to:

determine a first channel quality indicator (CQI) value for a first beam index (BI) and a second CQI value for a second BI;

determine a first beam quality indicator (BQI) value for a first beam reference signal identifier (BRSID) and a second BQI value for a second BRSID; and

generate the CSI reporting message comprising the first CQI value, the second CQI value, the first BQI value, and the second BQI value.

13. One or more non-transitory computer-readable media having instructions that, when executed, cause one or more processors of a user equipment (UE) to:

decode a downlink control information (DCI) message received at the UE from a network;

determine a reporting mode for the UE based on the DCI;

generate a channel state information (CSI) reporting message based on the reporting mode;

encode extra-large physical uplink control channel (xPUCCH) data including the CSI reporting message, wherein the CSI reporting message comprises a channel quality indicator (CQI) and at least one of a beam reference signal identifier (BRSID) or a beam quality indicator (BQI); and

in response to determining that the reporting mode is a third mode, the one or more processors are further to:

determine a first CQI value for a first beam index (BI) and a second CQI value for a second BI,

determine a first BQI value for a first BRSID and a second BQI value for a second BRSID; and

generate the CSI reporting message comprising the first CQI value, the second CQI value, the first BQI value, and the second BQI value.

14. The one or more non-transitory computer-readable media of claim 13 , wherein one or more processors further to cause the CSI reporting message to be transmitted on a sub-frame on which the DCI is decoded.

15. The one or more non-transitory computer-readable media of claim 13 , wherein the one or more processors are further to generate a CQI report comprising the CQI based at least one of a precoding matrix indicator (PMI) or a rank indicator (RI).

16. The one or more non-transitory computer-readable media of claim 13 , wherein the one or more processors are further to generate a BQI report comprising the at least one of the BRSID or the BQI.

17. The one or more non-transitory computer-readable media of claim 13 , wherein the one or more processors are further to determine a number of CQI values to report and a number of BQI values to report.

18. A method comprising:

decoding a downlink control information (DCI) message received at a user equipment (UE) from a network;

determining a reporting mode for the UE based on the DCI;

generating a channel state information (CSI) reporting message based on the reporting mode;

encoding extra-large physical uplink control channel (xPUCCH) data including the CSI reporting message, wherein the CSI reporting message comprises a channel quality indicator (CQI) and at least one of a beam reference signal identifier (BRSID) or a beam quality indicator (BQI); and

in response to determining that the reporting mode is a third mode,

determining a first CQI value for a first BI and a second CQI value for a second BI;

determining a first BQI value for a first BRSID and a second BQI value for a second BRSID; and

generating the CSI reporting message comprising the first CQI value, the second CQI value, the first BQI value, and the second BQI value.

19. The method of claim 18 , wherein further comprising transmitting the xPUCCH data including the CSI reporting message on a sub-frame on which the DCI is decoded.

20. The method of claim 18 , wherein generating the CSI reporting message further comprises generating a CQI report comprising the CQI based on at least one of a precoding matrix indicator (PMI) or a rank indicator (RI), a BI, or a CQI.