Channel state information concatenation and antenna port measurement

1. One or more non-transitory, computer-readable media having instructions stored thereof, wherein the instructions, in response to execution by one or more processors of a user equipment (UE), cause the UE to:

receive a channel state information reference signal (CSI-RS);

determine a rank indicator (RI), a precoding matrix index (PMI), and a channel quality indicator (CQI) of channel state information (CSI) for the UE based on the CSI-RS;

generate a CSI report, wherein the CSI report includes the RI, the PMI, and the CQI;

generate a message to include the CSI report that includes the RI, the PMI, and the CQI of the CSI; and

cause the message to be transmitted to a base station within a single slot via a physical uplink control channel (PUCCH),

wherein a first portion of the message includes the PMI and the CQI and a second portion of the message includes the RI, and

wherein the first portion is mapped to a first PUCCH symbol and the second portion is mapped to a second PUCCH symbol that is different from the first PUCCH symbol.

2. The one or more non-transitory, computer-readable media of claim 1 , wherein to generate the CSI report, wherein the instructions further cause the UE to:

concatenate the PMI and the CQI to produce a PMI-CQI value;

encode the PMI-CQI value;

encode the RI; and

concatenate the encoded PMI-CQI value with the encoded RI.

3. The one or more non-transitory, computer-readable media of claim 2 , wherein to concatenate the encoded PMI-CQI value with the encoded RI includes to multiplex and interleave the encoded PMI-CQI value with the encoded RI.

4. The one or more non-transitory, computer-readable media of claim 2 , wherein to cause the message to be transmitted includes: to map each encoded bit of the encoded PMI-CQI value to the first PUCCH symbol and to map each encoded bit of the encoded RI to the second PUCCH symbol.

5. The one or more non-transitory, computer-readable media of claim 2 , wherein to cause the message to be transmitted includes to map each encoded bit of the encoded PMI-CQI value to a different PUCCH format from each encoded bit of the encoded RI.

6. The one or more non-transitory, computer-readable media of claim 2 , wherein an encoding rate of the PMI-CQI value is greater than an encoding rate of the RI.

7. The one or more non-transitory, computer-readable media of claim 1 , wherein the instructions further cause the UE to encode the RI, the PMI, and the CQI, and wherein the RI, the PMI, and the CQI included in the CSI report is encoded.

8. The one or more non-transitory, computer-readable media of claim 1 , wherein the instructions further cause the UE to:

encode the RI, the PMI, and the CQI by a polar code.

9. The one or more computer-readable media of claim 1 , wherein the instructions further cause the UE to encode at least a portion of the RI using a demodulation reference signal (DMRS) sequence.

10. The one or more computer-readable media claim 1 , wherein the CSI report further includes one or more cyclic redundancy check (CRC) bits.

11. The one or more computer-readable media claim 1 , wherein to generate the CSI report, the instructions further cause the UE to:

generate a joint index for the RI and the PMI; and

concatenate the joint index with the CQI.

12. The one or more computer-readable media of claim 11 , wherein to generate the CSI report, the instructions further cause the UE to:

encode the joint index;

encode the CQI; and

concatenate the encoded joint index with the encoded CQI.

13. The one or more computer-readable media of claim 12 , wherein to concatenate the encoded joint index with the encoded CQI includes to multiplex and interleave the encoded joint index with the encoded CQI.

14. A method of a wireless network, the method comprising:

receiving a channel state information reference signal (CSI-RS);

determining a rank indicator (RI), a precoding matrix index (PMI), and a channel quality indicator (CQI) of channel state information (CSI) for the UE based on the CSI-RS;

generating a CSI report, wherein the CSI report includes the RI, the PMI, and the CQI;

generating a message to include the CSI report that includes the RI, the PMI, and the CQI of the CSI; and

transmitting the message to a base station within a single slot via a physical uplink control channel (PUCCH),

wherein a first portion of the message includes the PMI and the CQI and a second portion of the message includes the RI, and

wherein the first portion is mapped to a first PUCCH symbol and the second portion is mapped to a second PUCCH symbol that is different from the first PUCCH symbol.

15. The method of claim 14 , wherein the generating the CSI report comprises:

concatenating the PMI and the CQI to produce a PMI-CQI value;

encoding the PMI-CQI value;

encoding the RI; and

concatenating the encoded PMI-CQI value with the encoded RI.

16. The method of claim 15 , wherein the concatenating the encoded PMI-CQI value with the encoded RI includes multiplexing and interleaving the encoded PMI-CQI value with the encoded RI.

17. The method of claim 15 , wherein the transmitting the message includes mapping each encoded bit of the encoded PMI-CQI value to the first PUCCH symbol and to map each encoded bit of the encoded RI to the second PUCCH symbol.

18. The method of claim 14 , further comprising:

encoding the RI, the PMI, and the CQI by a polar code.

19. The method of claim 14 , further comprising encoding at least a portion of the RI using a demodulation reference signal (DMRS) sequence.

20. The method of claim 14 , wherein the generating the CSI report comprises:

generating a joint index for the RI and the PMI;

encoding the joint index;

encoding the CQI; and

multiplexing and interleaving the encoded joint index with the encoded CQI.

21. A user equipment (UE), comprising:

radio frequency (RF) circuitry configured to perform wireless communications; and

one or more processors coupled with the RF circuitry, the one or more processors configured to:

receive, via the RF circuitry, a channel state information reference signal (CSI-RS);

determine a rank indicator (RI), a precoding matrix index (PMI), and a channel quality indicator (CQI) of channel state information (CSI) for the UE based on the CSI-RS;

generate a CSI report, wherein the CSI report includes the RI, the PMI, and the CQI;

generate a message to include the CSI report that includes the RI, the PMI, and the CQI of the CSI; and

transmit, via the RF circuitry, the message to a base station within a single slot via a physical uplink control channel (PUCCH),

wherein a first portion of the message includes the PMI and the CQI and a second portion of the message includes the RI, and

wherein the first portion is mapped to a first PUCCH symbol and the second portion is mapped to a second PUCCH symbol that is different from the first PUCCH symbol.

22. The UE of claim 21 , wherein the one or more processors are further configured to:

concatenate the PMI and the CQI to produce a PMI-CQI value;

encode the PMI-CQI value;

encode the RI; and

concatenate the encoded PMI-CQI value with the encoded RI.

23. The UE of claim 22 , wherein to transmit the message, the one or more processors are further configured to map each encoded bit of the encoded PMI-CQI value to the first PUCCH symbol and to map each encoded bit of the encoded RI to the second PUCCH symbol.

24. The UE of claim 21 , wherein the one or more processors are further configured to:

encode the RI, the PMI, and the CQI by a polar code.

25. The UE of claim 21 , wherein the one or more processors are further configured to:

generate a joint index for the RI and the PMI;

encode the joint index;

encode the CQI;

concatenate the joint index with the CQI; and

concatenate the encoded joint index with the encoded CQI.