Methods of beam codebook generation for the 5G terminals

1. A user equipment (UE) in a wireless communication system, the UE comprising:

antennas; and

a processor operably connected to the antennas, the processor configured to:

identify E-field data of each of the antennas of the UE to be used for transmitting and receiving data;

generate, based on the E-field data, a set of codewords including a first and second upper bounds, the set of codewords corresponding to candidate beams of each of the antennas;

select at least one codeword from the set of codewords based on a performance criteria;

configure a codebook to be used for each of the antennas by adding the at least one codeword into the codebook;

determine whether the codebook including the at least one codeword satisfies a condition to stop adding another codeword to the codebook; and

apply the configured codebook for use in transmitting or receiving the data at each of the antennas based on whether the condition is satisfied.

2. The UE of claim 1 , wherein the first and second upper bounds are determined by a sum power constraint of an antenna array and a per-element power constraint of each of the antennas, respectively.

3. The UE of claim 1 , wherein the set of codewords comprises at least one of a discrete Fourier transform (DFT) codebook, an iterative eigenvector based codebook, an eigenvector based codebook, or a uniform grid codebook.

4. The UE of claim 1 , wherein the performance criteria comprises spherical coverage criteria, including at least one of a mean gain or an x-percentile gain across spatial directions.

5. The UE of claim 1 , wherein the processor is further configured to:

execute a greedy algorithm to identify the stopping condition based on at least one of a codebook size or a spherical coverage requirement; and

quantize the configured codebook based on a constraint of a number of phase shifter bits.

6. The UE of claim 1 , wherein the processor is configured to:

receive information comprising at least one of UE beam data, UE location information, sensor data, a device hardware model of the UE, or a device software model of the UE; and

generate UE beam data analytics information based on the information.

7. The UE of claim 6 , wherein the processor is configured to generate, based on the UE beam data analytics information, a set of beam codebooks comprising at least one of a new beam codebook or an updated codebook, and wherein the set of beam codebooks is used at least one of in a dedicated manner for each UE or in a common manner for a group of UEs based on at least one of a hardware model of the group of UEs or geographical information of the group of UEs.

8. A method of a user equipment (UE) in a wireless communication system, the method comprising:

identifying E-field data of each antenna of the UE to be used for transmitting and receiving data;

generating, based on the E-field data, a set of codewords including a first and second upper bounds, the set of codewords corresponding to candidate beams of each antenna;

selecting at least one codeword from the set of codewords based on a performance criteria;

configuring a codebook to be used for each antenna by adding the at least one codeword into the codebook;

determining whether the codebook including the at least one codeword satisfies a condition to stop adding another codeword to the codebook; and

applying the configured codebook for use in transmitting or receiving the data at each antenna based on whether the condition is satisfied.

9. The method of claim 8 , wherein the first and second upper bounds are determined by a sum power constraint of an antenna array and a per-element power constraint of each antenna, respectively.

10. The method of claim 8 , wherein the set of codewords comprises at least one of a discrete Fourier transform (DFT) codebook, an iterative eigenvector based codebook, an eigenvector based codebook, or a uniform grid codebook.

11. The method of claim 8 , wherein the performance criteria comprises spherical coverage criteria, including at least one of a mean gain or an x-percentile gain across spatial directions.

12. The method of claim 8 , further comprising:

executing a greedy algorithm to identify the stopping condition based on at least one of a codebook size or a spherical coverage requirement; and

quantizing the configured codebook based on a constraint of a number of phase shifter bits.

13. The method of claim 8 , further comprising:

receiving information comprising at least one of UE beam data, UE location information, sensor data, a device hardware model of the UE, or a device software model of the UE; and

generating UE beam data analytics information based on the information.

14. The method of claim 13 , further comprising generating, based on the UE beam data analytics information, a set of beam codebooks comprising at least one of a new beam codebook or an updated codebook, and wherein the set of beam codebooks is used at least one of in a dedicated manner for each UE or in a common manner for a group of UEs based on at least one of a hardware model of the group of UEs or geographical information of the group of UEs.

15. A non-transitory computer readable medium comprising instructions, that when executed by at least one processor of a user equipment (UE), cause the UE to:

identify E-field data of each antenna of the UE to be used for transmitting and receiving data;

generate, based on the E-field data, a set of codewords including a first and second upper bounds, the set of codewords corresponding to candidate beams of each antenna;

select at least one codeword from the set of codewords based on a performance criteria;

configure a codebook to be used for each antenna by adding the at least one codeword into the codebook;

determine whether the codebook including the at least one codeword satisfies a condition to stop adding another codeword to the codebook; and

apply the configured codebook for use in transmitting or receiving the data at each antenna based on whether the condition is satisfied.

16. The non-transitory computer readable medium of claim 15 , wherein the first and second upper bounds are determined by a sum power constraint of an antenna array and a per-element power constraint of each antenna, respectively.

17. The non-transitory computer readable medium of claim 15 , wherein the set of codewords comprises at least one of a discrete Fourier transform (DFT) codebook, an iterative eigenvector based codebook, an eigenvector based codebook, or a uniform grid codebook.

18. The non-transitory computer readable medium of claim 15 , wherein the performance criteria comprises spherical coverage criteria, including at least one of a mean gain or an x-percentile gain across spatial directions.

19. The non-transitory computer readable medium of claim 15 , further comprising instructions, that when executed by the at least one processor, cause the UE to:

execute a greedy algorithm to identify the stopping condition based on at least one of a codebook size or a spherical coverage requirement; and

quantize the configured codebook based on a constraint of a number of phase shifter bits.

20. The non-transitory computer readable medium of claim 15 , further comprising instructions, that when executed by the at least one processor, cause the UE to:

receive information comprising at least one of UE beam data, UE location information, sensor data, a device hardware model of the UE, or a device software model of the UE;

generate UE beam data analytics information based on the information; and

generate, based on the UE beam data analytics information, a set of beam codebooks comprising at least one of a new beam codebook or an updated codebook, wherein the set of beam codebooks is used at least one of in a dedicated manner for each UE or in a common manner for a group of UEs based on at least one of a hardware model of the group of UEs or geographical information of the group of UEs.