Tracking reference signal availability indication
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive configurations of a set of tracking reference signal (TRS) resource sets. The UE may receive an availability indication associated with one or more TRS resource sets from the set of TRS resource sets, and the availability indication is associated with one or more groups of TRS resource sets associated with the set of TRS resource sets. Numerous other aspects are described.
1. A user equipment (UE) for wireless communication, comprising:
a memory; and
one or more processors, coupled to the memory, configured to:
receive configurations of a set of tracking reference signal (TRS) resource sets;
receive an availability indication associated with one or more TRS resource sets from the set of TRS resource sets, wherein:
the availability indication indicates whether TRS resource sets included in the one or more TRS resource sets are to be transmitted,
the availability indication is associated with one or more groups of TRS resource sets associated with the set of TRS resource sets,
the availability indication includes an indication for each group of the one or more groups of TRS resource sets, and
an indication, for a group, indicates whether all TRS resource sets included in the group are to be transmitted; and
communicate with a network entity based at least in part on receiving the availability indication.
2. The UE of claim 1 , wherein the availability indication is received via Layer 1 signaling.
3. The UE of claim 1 , wherein the availability indication is associated with a paging signal.
4. The UE of claim 1 , wherein the one or more processors are further configured to:
receive an indication of the one or more groups of TRS resource sets.
5. The UE of claim 4 , wherein the indication of the one or more groups of TRS resource sets is included in the configuration of the set of TRS resource sets.
6. The UE of claim 1 , wherein the configuration indicates, for a TRS resource set, an identifier of a group associated with the TRS resource set.
7. The UE of claim 1 , wherein a quantity of TRS resource sets to be included in each group, of the one or more groups of TRS resource sets, is defined, and
wherein a group, of the one or more groups of TRS resource sets, is formed based at least in part on the quantity and based at least in part on identifiers of the set of TRS resource sets.
8. The UE of claim 7 , wherein a first group includes a first subset of TRS resource sets, from the set of TRS resource sets, and a second group includes a second subset of TRS resource sets from the set of TRS resource sets,
wherein the first group and the second group both include the quantity of the TRS resource sets, and
wherein TRS resource sets included in the first group and the second group are based at least in part on an order of the identifiers of the set of TRS resource sets.
9. The UE of claim 1 , wherein the availability indication is associated with multiple signals, and wherein each signal, of the multiple signals, indicates an availability associated with a group of the one or more groups of TRS resource sets.
10. The UE of claim 1 , wherein the one or more processors, to receive the availability indication, are configured to:
receive a first availability indication associated with a first group of the one or more groups of TRS resource sets; and
receive a second availability indication associated with a second group of the one or more groups of TRS resource sets.
11. The UE of claim 1 , wherein the availability indication indicates whether a subset of TRS resource sets from the set of TRS resource sets are to be transmitted.
12. The UE of claim 11 , wherein remaining TRS resource sets are to be transmitted, wherein the remaining TRS resource sets are TRS resource sets, from the set of TRS resource sets, that are not included in the subset of TRS resource sets.
13. The UE of claim 1 , wherein the availability indication includes a bitmap.
14. A network entity for wireless communication, comprising:
a memory; and
one or more processors, coupled to the memory, configured to:
transmit configurations of a set of tracking reference signal (TRS) resource sets intended for one or more user equipments (UEs); and
transmit an availability indication associated with one or more TRS resource sets from the set of TRS resource sets, wherein:
the availability indication indicates whether TRS resource sets included in the one or more TRS resource sets are to be transmitted,
the availability indication is associated with one or more groups of TRS resource sets associated with the set of TRS resource sets,
the availability indication includes an indication for each group of the one or more groups of TRS resource sets, and
an indication, for a group, indicates whether all TRS resource sets included in the group are to be transmitted.
15. The network entity of claim 14 , wherein the configuration indicates, for a TRS resource or a TRS resource set, an identifier of a group associated with the TRS resource or the TRS resource set.
16. The network entity of claim 14 , wherein the availability indication includes a bitmap.
17. A method of wireless communication performed by a user equipment (UE), comprising:
receiving configurations of a set of tracking reference signal (TRS) resource sets;
receiving an availability indication associated with one or more TRS resource sets from the set of TRS resource sets, wherein:
the availability indication indicates whether TRS resource sets included in the one or more TRS resource sets are to be transmitted,
the availability indication is associated with one or more groups of TRS resource sets associated with the set of TRS resource sets,
the availability indication includes an indication for each group of the one or more groups of TRS resource sets, and
an indication, for a group, indicates whether all TRS resource sets included in the group are to be transmitted; and
communicating with a network entity based at least in part on receiving the availability indication.
18. The method of claim 17 , wherein the availability indication is received via Layer 1 signaling.
19. The method of claim 17 , wherein the availability indication is associated with a paging signal.
20. The method of claim 17 , further comprising:
receiving an indication of the one or more groups of TRS resource sets, wherein the indication of the one or more groups of TRS resource sets is included in the configuration of the set of TRS resource sets.
21. The method of claim 17 , wherein the configuration indicates, for a TRS resource set, an identifier of a group associated with the TRS resource set.
22. The method of claim 17 , further comprising:
receiving one or more group configurations associated with the one or more groups of TRS resource sets, wherein a group configuration, of the one or more group configurations, indicates identifiers of one or more TRS resource sets included in a group associated with the group configuration.
23. The method of claim 17 , wherein a quantity of TRS resources or TRS resource sets to be included in each group, of the one or more groups of TRS resource sets, is defined, and
wherein a group, of the one or more groups of TRS resource sets, is formed based at least in part on the quantity and based at least in part on identifiers of the set of TRS resource sets.
24. The method of claim 17 , wherein receiving the availability indication comprises:
receiving a first availability indication associated with a first group of the one or more groups of TRS resource sets; and
receiving a second availability indication associated with a second group of the one or more groups of TRS resource sets.
25. The method of claim 17 , wherein the availability indication indicates whether a subset of TRS resource sets from the set of TRS resource sets are to be transmitted.
26. The method of claim 25 , wherein remaining TRS resource sets are not to be transmitted, wherein the remaining TRS resource sets are TRS resource sets, from the set of TRS resource sets, that are not included in the subset of TRS resource sets.
27. The method of claim 17 , wherein the availability indication includes a bitmap.
28. A method of wireless communication performed by a network entity, comprising:
transmitting a configuration, intended for one or more user equipment (UEs), of a set of tracking reference signal (TRS) resource sets; and
transmitting an availability indication associated with one or more TRS resource sets from the set of TRS resource sets, wherein:
the availability indication indicates whether TRS resource sets included in the one or more TRS resource sets are to be transmitted,
the availability indication is associated with one or more groups of TRS resource sets associated with the set of TRS resource sets,
the availability indication includes an indication for each group of the one or more groups of TRS resource sets, and
an indication, for a group, indicates whether all TRS resource sets included in the group are to be transmitted.
29. The method of claim 28 , wherein the availability indication is associated with a paging signal.
30. The method of claim 28 , further comprising:
transmitting an indication of the one or more groups of TRS resource sets.