IP Library › Granted Patent US 12700966
Granted Patent B2
US 12700966 · App. 18/046,645 · Granted Aug 4, 2026

Tracking reference signal resources

Inventors: Aria Hasanzadezonuzy (Somerville, NJ); Navid Abedini (Basking Ridge, NJ); Tao Luo (San Diego, CA); Junyi Li (Fairless Hills, PA)
Assignee: QUALCOMM Incorporated
H04L5/0051H04W72/121
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Quick Facts
Patent No.
US 12700966
App. No.
18/046,645
Granted
Aug 4, 2026
Kind
B2
Abstract

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive information indicating whether a set of tracking reference signal (TRS) resources are associated with connected-mode UEs or with idle-mode or inactive-mode UEs. The UE may receive a TRS on the set of TRS resources in accordance with the information. Numerous other aspects are described.

Claims (40)

1 . A user equipment (UE) for wireless communication, comprising:

a memory; and

one or more processors, coupled to the memory, configured to:

receive information indicating whether a set of tracking reference signal (TRS) resources are associated with connected-mode UEs or the set of TRS resources are associated with idle-mode or inactive-mode UEs, wherein a first TRS configuration identifies a first set of TRS resources, of the set of TRS resources, that are associated with the idle-mode or inactive-mode UEs, and wherein a second TRS configuration identifies a second set of TRS resources, of the set of TRS resources, that are associated with the connected-mode UEs; and

receive a TRS on the first set of TRS resources in accordance with the information,

wherein at least one of the first TRS configuration or the second TRS configuration includes one or more parameters comprising at least one of an offset parameter, a duration parameter, or a periodicity parameter, and

wherein the first TRS configuration identifies the first set of TRS resources based at least in part on a time window defined by the one or more parameters of the first TRS configuration.

2 . The UE of claim 1 , wherein the information comprises a bit indicating whether the set of TRS resources are associated with the connected-mode UEs or the set of TRS resources are associated with the idle-mode or inactive-mode UEs.

3 . The UE of claim 1 , wherein the one or more processors are further configured to receive a first TRS configuration identifying the first set of TRS resources.

4 . The UE of claim 3 , wherein the one or more processors are further configured to receive a second TRS configuration identifying the second set of TRS resources.

5 . The UE of claim 4 , wherein the information indicating whether the set of TRS resources are associated with connected-mode UEs or the set of TRS resources are associated with idle-mode or inactive-mode UEs comprises at least one of the first TRS configuration or the second TRS configuration.

6 . The UE of claim 4 , wherein the one or more processors are further configured to ignore the TRS on the first set of TRS resources as a result of receiving the second TRS configuration identifying the second set of TRS resources.

7 . The UE of claim 4 , wherein the one or more processors are further configured to ignore the TRS on the second set of TRS resources based at least in part on the UE being in idle mode or inactive mode.

8 . The UE of claim 1 , wherein the information comprises a bit indicating whether the set of TRS resources are associated with the connected-mode UEs or the set of TRS resources are associated with the idle-mode or inactive-mode UEs.

9 . A network node for wireless communication, comprising:

a memory; and

one or more processors, coupled to the memory, configured to:

output information indicating whether a set of tracking reference signal (TRS) resources are associated with connected-mode user equipment (UEs) or the set of TRS resources are associated with idle-mode or inactive-mode UEs, wherein a first set of TRS resources, of the set of TRS resources, are associated with the idle-mode or inactive-mode UEs, and wherein a second set of TRS resources, of the set of TRS resources, are associated with the connected-mode UEs; and

output or configure a TRS on the first set of TRS resources in accordance with the information,

wherein the one or more processors, to output or configure the TRS on the first set of TRS resources, are configured to set one or more parameters comprising at least one of an offset parameter, a duration parameter, or a periodicity parameter, and

wherein a first TRS configuration identifies the first set of TRS resources based at least in part on a time window defined by the one or more parameters of the first TRS configuration.

10 . The network node of claim 9 , wherein the information comprises a bit indicating whether the set of TRS resources are associated with the connected-mode UEs or the set of TRS resources are associated with the idle-mode or inactive-mode UEs.

11 . The network node of claim 10 , wherein the one or more processors are further configured to output or configure the TRS on the first set of TRS resources and output a second TRS configuration identifying the second set of TRS resources.

12 . The network node of claim 11 , wherein the information indicating whether the set of TRS resources are associated with connected-mode UEs or the set of TRS resources are associated with idle-mode or inactive-mode UEs comprises at least one of the first TRS configuration or the second TRS configuration.

13 . A method of wireless communication performed by a user equipment (UE), comprising:

receiving information indicating whether a set of tracking reference signal (TRS) resources are associated with connected-mode UEs or the set of TRS resources are associated with idle-mode or inactive-mode UEs, wherein a first TRS configuration identifies a first set of TRS resources, of the set of TRS resources, that are associated with the idle-mode or inactive-mode UEs, and wherein a second TRS configuration identifies a second set of TRS resources, of the set of TRS resources, that are associated with the connected-mode UEs; and

receiving a TRS on the first set of TRS resources in accordance with the information

wherein at least one of the first TRS configuration or the second TRS configuration includes one or more parameters comprising at least one of an offset parameter, a duration parameter, or a periodicity parameter, and

wherein the first TRS configuration identifies the first set of TRS resources based at least in part on a time window defined by the one or more parameters of the first TRS configuration.

14 . The method of claim 13 , wherein the information comprises a bit indicating whether the set of TRS resources are associated with the connected-mode UEs or the set of TRS resources are associated with the idle-mode or inactive-mode UEs.

15 . The method of claim 13 , further comprising:

receiving a first TRS configuration identifying the first set of TRS resources.

16 . The method of claim 15 , further comprising:

receiving a second TRS configuration identifying the second set of TRS resources.

17 . The method of claim 16 , wherein the information indicating whether the set of TRS resources are associated with connected-mode UEs or the set of TRS resources are associated with idle-mode or inactive-mode UEs comprises at least one of the first TRS configuration or the second TRS configuration.

18 . The method of claim 16 , further comprising:

ignoring the TRS on the first set of TRS resources as a result of receiving the second TRS configuration identifying the second set of TRS resources.

19 . The method of claim 16 , further comprising:

ignoring the TRS on the second set of TRS resources based at least in part on the UE being in idle mode or inactive mode.

20 . The method of claim 13 , wherein the information comprises a bit indicating whether the set of TRS resources are associated with the connected-mode UEs or the set of TRS resources are associated with the idle-mode or inactive-mode UEs.