Systems and methods for CSI processing unit determination

1 . A method, comprising:

receiving, by a wireless communication device from a wireless communication node, a configuration for channel state information (CSI) reporting; and

determining, by the wireless communication device, a number of CSI processing units (CPUs) to utilize for processing the CSI reporting, according to at least one of: the configuration for the CSI reporting, wherein the configuration for CSI reporting includes at least one of frequency offset reporting or Doppler shift reporting.

2 . The method of claim 1 , wherein the configuration for CSI reporting includes

group based beam reporting.

3 . The method of claim 1 , comprising:

determining, by the wireless communication device, that the number of CPUs to utilize for processing the CSI reporting is one, for at least one CSI report configured to report frequency offset information corresponding to one or more reference signal (RS) resource sets or resources settings.

4 . The method of claim 3 , wherein:

the at least one CSI report is triggered by one trigger state.

5 . The method of claim 1 , comprising:

determining, by the wireless communication device, that the number of CPUs to utilize for processing the CSI reporting is:

equal to N, which is a number of frequency offsets to be reported, or a number of configured resource sets, resources, or resource settings of reference signals (RSs);

equal to N, which is a number of frequency offsets to be reported, or a number of configured resource sets, resources, or resource settings of the RSs, or N number of CSI reports;

equal to (N−1), which is a number of relative frequency offsets to be reported, or N number of configured resource sets, resources, or resource settings of the RSs; or

equal to (N−1), which is a number of relative frequency offsets being reported, or N number of configured resource sets, resources, or resource settings of the RSs, or a number of CSI reports,

wherein N is a positive integer value.

6 . The method of claim 5 , wherein:

the resource sets, resources, or resource settings of the RSs are triggered by one trigger state.

7 . The method of claim 1 , wherein:

the configuration for the CSI reporting includes at least one CSI report configuration index.

8 . The method of claim 1 , comprising:

determining, by the wireless communication device, that the number of CPUs to utilize for processing the CSI reporting is M, which is a number of aperiodic RS resources, resource sets, or resource settings for at least one CSI reporting configuration, wherein each of the aperiodic RS resources, resource sets, or resource settings having a transmission configuration indicator (TCI) state is different from those activated for at least one of: a downlink channel, a periodic RS, a synchronization signal block (SSB), or a RS of a different type from the aperiodic RS,

wherein M is a positive integer value.

9 . The method of claim 1 , comprising:

determining, by the wireless communication device, that the number of CPUs to utilize for processing the CSI reporting is equal to N, which is a number of resource sets, resources, or resource settings of configured reference signals (RSs), or a number of the RSs.

10 . The method of claim 9 , wherein at least one of:

group based beam reporting is enabled via at least one higher layer parameter, or

the number of the resource sets, resources, or resource settings is configured to be more than one, via at least one higher layer parameter.

11 . The method of claim 1 , comprising:

determining, by the wireless communication device, that the number of CPUs to utilize for processing the CSI reporting is equal to 2, wherein group based beam reporting is enabled via at least one higher layer parameter.

12 . The method of claim 1 , comprising:

determining, by the wireless communication device, that the number of CPUs to utilize for processing the CSI reporting is:

equal to X, which is a number of resource sets, resources, or resource settings of configured reference signals (RSs), or a number of reporting beam related parameters in one reporting group; or

equal to K, which is a number of reporting groups.

13 . A method, comprising:

transmitting, by a wireless communication node to a wireless communication device, a configuration for channel state information (CSI) reporting; and

causing the wireless communication device to determine a number of CSI processing units (CPUs) to utilize for processing the CSI reporting, according to the configuration for the CSI reporting, wherein the configuration for CSI reporting includes at least one of frequency offset reporting or Doppler shift reporting.

14 . A wireless communication node, comprising:

at least one processor configured to:

transmit, via a transmitter to a wireless communication device, a configuration for channel state information (CSI) reporting; and

cause the wireless communication device to determine a number of CSI processing units (CPUs) to utilize for processing the CSI reporting, according to the configuration for the CSI reporting, wherein the configuration for CSI reporting includes at least one of frequency offset reporting or Doppler shift reporting.

15 . A wireless communication device, comprising:

at least one processor configured to:

receive, via a receiver from a wireless communication node, a configuration for channel state information (CSI) reporting; and

determine a number of CSI processing units (CPUs) to utilize for processing the CSI reporting, according to at least one of: the configuration for the CSI reporting, wherein the configuration for CSI reporting includes at least one of frequency offset reporting or Doppler shift reporting.

16 . The wireless communication device of claim 15 , wherein the configuration for CSI reporting includes

group based beam reporting.

17 . The wireless communication device of claim 15 , wherein the at least one processor is configured to:

determine that the number of CPUs to utilize for processing the CSI reporting is one, for at least one CSI report configured to report frequency offset information corresponding to one or more reference signal (RS) resource sets or resources settings.

18 . The wireless communication device of claim 15 , wherein the at least one processor is configured to:

determine that the number of CPUs to utilize for processing the CSI reporting is:

equal to N, which is a number of frequency offsets to be reported, or a number of configured resource sets, resources, or resource settings of reference signals (RSs);

equal to N, which is a number of frequency offsets to be reported, or a number of configured resource sets, resources, or resource settings of the RSs, or N number of CSI reports;

equal to (N−1), which is a number of relative frequency offsets to be reported, or N number of configured resource sets, resources, or resource settings of the RSs; or

equal to (N−1), which is a number of relative frequency offsets being reported, or N number of configured resource sets, resources, or resource settings of the RSs, or a number of CSI reports,

wherein N is a positive integer value.

19 . The wireless communication device of claim 15 , wherein:

the configuration for the CSI reporting includes at least one CSI report configuration index.

20 . The wireless communication device of claim 15 , wherein the at least one processor is configured to:

determine that the number of CPUs to utilize for processing the CSI reporting is M, which is a number of aperiodic RS resources, resource sets, or resource settings for at least one CSI reporting configuration, wherein each of the aperiodic RS resources, resource sets, or resource settings having a transmission configuration indicator (TCI) state is different from those activated for at least one of: a downlink channel, a periodic RS, a synchronization signal block (SSB), or a RS of a different type from the aperiodic RS,

wherein M is a positive integer value.