Dynamic scheduling of user equipment (UE) antenna resources
Certain aspects of the present disclosure provide techniques for dynamically scheduling antenna resources of a wireless node, such as, antenna panels of a user equipment (UE). In some cases, a first node (e.g., a UE) performs, with two or more other nodes, a first beam sweep procedure across two or more antenna resources of the first node on two or more wireless interfaces, generates or obtains scheduling information based on results of the first beam sweep procedure, wherein the scheduling information indicates which of the antenna resources is scheduled for which wireless interfaces, and communicates with the other nodes on the wireless interfaces according to the scheduling information.
1. An apparatus for wireless communications by a first node, comprising:
a memory; and
at least one processor coupled to the memory, the memory and the at least one processor being configured to:
perform a first beam sweep procedure across two or more antenna resources of the first node on two or more wireless interfaces with one or more other nodes;
obtain scheduling information based on results of the first beam sweep procedure, wherein the scheduling information indicates one or more antenna resources of the two or more antenna resources scheduled for one or more wireless interfaces of the two or more wireless interfaces; and
communicate with the one or more other nodes according to the scheduling information.
2. The apparatus of claim 1 , wherein the memory and the at least one processor being configured to perform the first beam sweep procedure comprises the memory and the at least one processor being configured to:
identify one or more beam pair links between the first node and the one or more other nodes, wherein each beam pair link comprises an antenna resources of the two or more antenna resources of the first node and an antenna resource of a node of the one or more other nodes.
3. The apparatus of claim 2 , wherein the memory and the at least one processor being configured to communicate with the one or more other nodes comprises the memory and the at least one processor being configured to:
perform at least a second beam sweep procedure across each of the one or more antenna resources scheduled for the one or more wireless interfaces; and
identify, based on results of the at least the second beam sweep procedure, a strongest beam pair link to use for communicating over the one or more wireless interfaces.
4. The apparatus of claim 3 , wherein the one or more antenna resources comprise a subset of antenna panels at the first node.
5. The apparatus of claim 1 , wherein the one or more wireless interfaces comprises one or more sidelink interfaces with one or more sidelink nodes, one or more uplink wireless interfaces with one or more network nodes, or a combination thereof.
6. The apparatus of claim 1 , wherein the two or more antenna resources comprise two or more antenna panels at the first node.
7. The apparatus of claim 1 , wherein the memory and the at least one processor are configured to:
report the results of the first beam sweep procedure to at least one node of one or more other nodes, wherein the results includes signal quality measurements for each of the two or more wireless interfaces.
8. The apparatus of claim 1 , wherein the memory and the at least one processor being configured to obtain the scheduling information comprises the memory and the at least one processor being configured to generate the scheduling information based on the results.
9. The apparatus of claim 8 , wherein the memory and the at least one processor are configured to signal the scheduling information to the one or more other nodes.
10. The apparatus of claim 1 , wherein the memory and the at least one processor are configured to:
perform the first beam sweep procedure periodically; and
obtain updated scheduling information.
11. The apparatus of claim 1 , wherein the scheduling information is a based on a priority associated with each of the wireless interfaces.
12. A method for wireless communications by a first node, comprising:
performing a first beam sweep procedure across two or more antenna resources of the first node on two or more wireless interfaces with one or more other nodes;
obtaining scheduling information based on results of the first beam sweep procedure, wherein the scheduling information indicates one or more antenna resources of the two or more antenna resources scheduled for one or more wireless interfaces of the two or more wireless interfaces; and
communicating with the one or more other nodes according to the scheduling information.
13. The method of claim 12 , wherein performing the first beam sweep procedure comprises:
identifying one or more beam pair links between the first node and the one or more other nodes, wherein each beam pair link comprises an antenna resources of the two or more antenna resources of the first node and an antenna resource of a node of the one or more other nodes.
14. The method of claim 13 , wherein communicating with the one or more other nodes comprises:
performing at least a second beam sweep procedure across each of the one or more antenna resources scheduled for the one or more wireless interfaces; and
identifying, based on results of the at least the second beam sweep procedure, a strongest beam pair link to use for communicating over the one or more wireless interfaces.
15. The method of claim 14 , wherein the one or more antenna resources comprise a subset of antenna panels at the first node.
16. The method of claim 12 , wherein the one or more wireless interfaces comprises one or more sidelink interfaces with one or more sidelink nodes, one or more uplink wireless interfaces with one or more network nodes, or a combination thereof.
17. The method of claim 12 , wherein the two or more antenna resources comprise two or more antenna panels at the first node.
18. The method of claim 12 , further comprising reporting the results of the first beam sweep procedure to at least one node of one or more other nodes, wherein the results includes signal quality measurements for each of the two or more wireless interfaces.
19. The method of claim 12 , wherein obtaining the scheduling information comprises generating the scheduling information based on the results.
20. The method of claim 19 , further comprising signaling the scheduling information to the one or more other nodes.
21. The method of claim 12 , further comprising:
performing the first beam sweep procedure periodically; and
obtaining updated scheduling information.
22. The method of claim 12 , wherein the scheduling information is a based on a priority associated with each of the wireless interfaces.
23. A non-transitory computer-readable medium comprising computer-executable instructions that, when executed by a processor of a first node, cause the first node to perform a method of wireless communications, comprising:
performing a first beam sweep procedure across two or more antenna resources of the first node on two or more wireless interfaces with one or more other nodes;
obtaining scheduling information based on results of the first beam sweep procedure, wherein the scheduling information indicates one or more antenna resources of the two or more antenna resources scheduled for one or more wireless interfaces of the two or more wireless interfaces; and
communicating with the one or more other nodes according to the scheduling information.
24. The non-transitory computer-readable medium of claim 23 , wherein performing the first beam sweep procedure comprises:
identifying one or more beam pair links between the first node and the one or more other nodes, wherein each beam pair link comprises an antenna resources of the two or more antenna resources of the first node and an antenna resource of a node of the one or more other nodes.
25. The non-transitory computer-readable medium of claim 24 , wherein communicating with the one or more other nodes comprises:
performing at least a second beam sweep procedure across each of the one or more antenna resources scheduled for the one or more wireless interfaces; and
identifying, based on results of the at least the second beam sweep procedure, a strongest beam pair link to use for communicating over the one or more wireless interfaces.
26. The non-transitory computer-readable medium of claim 25 , wherein the one or more antenna resources comprise a subset of antenna panels at the first node.
27. An apparatus for wireless communications, comprising:
means for performing a first beam sweep procedure across two or more antenna resources of the apparatus on two or more wireless interfaces with one or more nodes;
means for obtaining scheduling information based on results of the first beam sweep procedure, wherein the scheduling information indicates one or more antenna resources of the two or more antenna resources scheduled for one or more wireless interfaces of the two or more wireless interfaces; and
means for communicating with the one or more nodes according to the scheduling information.
28. The apparatus of claim 27 , wherein means for performing the first beam sweep procedure comprises:
means for identifying one or more beam pair links between the apparatus and the one or more nodes, wherein each beam pair link comprises an antenna resources of the two or more antenna resources of the apparatus and an antenna resource of a node of the one or more nodes.
29. The apparatus of claim 28 , wherein means for communicating with the one or more nodes comprises:
means for performing at least a second beam sweep procedure across each of the one or more antenna resources scheduled for the one or more wireless interfaces; and
means for identifying, based on results of the at least the second beam sweep procedure, a strongest beam pair link to use for communicating over the one or more wireless interfaces.
30. The apparatus of claim 29 , wherein the one or more antenna resources comprise a subset of antenna panels at the apparatus.