Granted Patent B2

US 12,381,583 · App. 18/168,634 · Granted Aug 5, 2025

Inventors: Bo Wang (Beijing, CN); Hongli Zhang (Beijing, CN); Kehui Cai (Beijing, CN); Kuanyue Li (Beijing, CN)

Assignee: Hewlett Packard Enterprise Development LP

H04B1/0057H04W84/12H04W88/08

Abstract

Claims (68)

1. A method, comprising:

selecting, by an access point (AP), a filter for a first antenna from a first set of filters, wherein the first set of filters includes a first filter, a second filter, a third filter and a fourth filter, and the AP operates in 320 megahertz (MHz) channels of a 6 gigahertz (GHz) frequency band;

determining, by the AP and based on the selected filter, a subset from a second set of filters, wherein the second set of filters includes the third filter, the fourth filter, a fifth filter and a sixth filter; and

selecting, by the AP, a filter for a second antenna from the subset,

wherein the first filter, the second filter and the third filter work on a first frequency band, the fourth filter, the fifth filter and the sixth filter work on a second frequency band, and the second frequency band has a higher starting frequency than the first frequency band.

2. The method according to claim 1 , wherein selecting the filter for the first antenna from the first set of filters comprises:

obtaining, by the AP, a configuration for the first set of filters, wherein the configuration indicates a priority of filters in the first set of filters; and

selecting, by the AP and based on the configuration, the filter for the first antenna from the first set of filters.

3. The method according to claim 1 , wherein selecting the filter for the first antenna from the first set of filters comprises:

obtaining, by the AP, channel qualities corresponding to filters in the first set of filters;

sorting, by the AP and based on the channel qualities, the filters in the first set of filters; and

selecting, by the AP and based on the sorting, the filter for the first antenna from the first set of filters.

4. The method according to claim 3 , wherein obtaining the channel qualities corresponding to filters in the first set of filters comprises:

receiving, by the AP, channel quality indicators (CQIs) of channels corresponding to the filters in the first set of filters; and

determining, by the AP and based on the CQIs, the channel qualities corresponding to the filters in the first set of filters.

5. The method according to claim 1 , wherein determining the subset from the second set of filters comprises:

obtaining, by the AP, a mapping between a filter of the first set of filters and a corresponding subset of the second set of filters; and

determining, by the AP, the subset from the second set of filters based on the mapping.

6. The method according to claim 1 , wherein selecting the filter for the second antenna from the subset comprises:

determining, by the AP, frequency gaps between the selected filter in first set of filters and filters in the subset; and

selecting, by the AP and based on the frequency gaps, a filter from the subset.

7. The method according to claim 1 , wherein selecting the filter for the second antenna from the subset comprises:

determining, by the AP, channel qualities corresponding to filters in the subset; and

selecting, by the AP and based on the channel qualities, a filter from the subset.

8. The method according to claim 1 , further comprising:

in response to the filter of the first set of filters and the filter of the second set of filters being selected, filtering signals for the first antenna and the second antenna using the two selected filters, respectively.

9. The method according to claim 8 , wherein the AP further comprises a seventh filter for a third antenna and a eighth filter for a fourth antenna working on a 5G frequency band.

10. The method according to claim 1 , comprising at least one of:

the first filter being configured to work on a frequency band of 5945 MHz to 6265 MHz;

the second filter being configured to work on a frequency band of 6265 MHz to 6585 MHz;

the third filter being configured to work on a frequency band of 6585 MHz to 7125 MHz;

the fourth filter being configured to work on a frequency band of 6105 MHz to 6425 MHz;

the fifth filter being configured to work on a frequency band of 6425 MHz to 6745 MHz; or

the sixth filter being configured to work on a frequency band of 6745 MHz to 7125 MHz.

11. An access point (AP) comprising:

at least one processor; and

a memory coupled to the at least one processor, the memory storing instructions to cause the at least one processor to:

select a filter for a first antenna from a first set of filters, wherein the first set of filters includes a first filter, a second filter, a third filter and a fourth filter, and the AP operates in 320 megahertz (MHz) channels of a 6 gigahertz (GHz) frequency band;

determine, based on the selected filter, a subset from a second set of filters, wherein the second set of filters includes the third filter, the fourth filter, a fifth filter and a sixth filter; and

select a filter for a second antenna from the subset,

wherein the first filter, the second filter and the third filter work on a first frequency band, the fourth filter, the fifth filter and the sixth filter work on a second frequency band, and the second frequency band has a higher starting frequency than the first frequency band.

12. The AP according to claim 11 , wherein the instructions to select the filter for the first antenna from the first set of filters comprise instructions to cause the at least one processor to:

obtain a configuration for the first set of filters, wherein the configuration indicates a priority of filters in the first set of filters; and

select, based on the configuration, the filter for the first antenna from the first set of filters.

13. The AP according to claim 11 , wherein the instructions to select the filter for the first antenna from the first set of filters comprise instructions to cause the at least one processor to:

obtain channel qualities corresponding to filters in the first set of filters;

sort, based on the channel qualities, the filters in the first set of filters; and

select, based on the sorting, the filter for the first antenna from the first set of filters.

14. The AP according to claim 13 , wherein the instructions to obtain the channel qualities corresponding to filters in the first set of filters comprise instructions to cause the at least one processor to:

receive channel quality indicators (CQIs) of channels corresponding to the filters in the first set of filters; and

determine, based on the CQIs, the channel qualities corresponding to the filters in the first set of filters.

15. The AP according to claim 11 , wherein the instructions to determine the subset from the second set of filters comprise instructions to cause the at least one processor to:

obtain a mapping between a filter of the first set of filters and a corresponding subset of the second set of filters; and

determine the subset from the second set of filters based on the mapping.

16. The AP according to claim 11 , wherein the instructions to select the filter for the second antenna from the subset comprise instructions to cause the at least one processor to:

determine frequency gaps between the selected filter in first set of filters and filters in the subset; and

select, based on the frequency gaps, a filter from the subset.

17. The AP according to claim 11 , wherein the instructions to select the filter for the second antenna from the subset comprise instructions to cause the at least one processor to:

determine channel qualities corresponding to filters in the subset; and

select, based on the channel qualities, a filter from the subset.

18. The AP according to claim 11 , further comprising instructions to cause the at least one processor to:

in response to the filter of the first set of filters and the filter of the second set of filters being selected, filter signals for the first antenna and the second antenna using the two selected filters, respectively.

19. The AP according to claim 18 , wherein the AP further comprises a seventh filter for a third antenna and a eighth filter for a fourth antenna working on a 5G frequency band.

20. A non-transitory computer-readable medium comprising instructions stored thereon which, when executed by an access point (AP), cause the AP to:

select a filter for a first antenna from a first set of filters, wherein the first set of filters includes a first filter, a second filter, a third filter and a fourth filter, and the AP operates in 320 megahertz (MHz) channels of a 6 gigahertz (GHz) frequency band;

determine, based on the selected filter, a subset from a second set of filters, wherein the second set of filters includes the third filter, the fourth filter, a fifth filter and a sixth filter; and

select a filter for a second antenna from the subset,

wherein the first filter, the second filter and the third filter work on a first frequency band, the fourth filter, the fifth filter and the sixth filter work on a second frequency band, and the second frequency band has a higher starting frequency than the first frequency band.

Assignments (1)

Continuity (1)

References Cited (12)