Reference transmission reception point for frequency-domain resource and on-demand request for positioning reference signal
In an embodiment, a UE transmits an on-demand PRS request for PRS(s) on selected frequency-domain resource(s) (e.g., frequency layer, frequency band, CC, etc.). In another embodiment, a UE receives, from a network component (e.g., BS, core network component, LMF, location server, etc.), configuration of frequency-domain resources (e.g., frequency layer, frequency band, CC, etc.), wherein each frequency-domain resource configuration is associated with a bandwidth and SCS. The UE further receives, from the network component, configuration of PRS(s), wherein each PRS is associated with a single frequency-domain resource from the frequency-domain resources. The UE determines a single reference TRP for each of the frequency-domain resources, performs PRS measurements on the PRS(s), and determines positioning measurements at least based on the PRS measurements and the determined reference TRPs.
1. A method of operating a user equipment (UE), comprising:
receiving configuration of a plurality of frequency-domain resources, wherein each frequency-domain resource configuration is associated with a bandwidth and subcarrier spacing (SCS);
receiving configuration of one or more positioning reference signals (PRSs), wherein each PRS configuration is associated with a single frequency-domain resource from the plurality of frequency-domain resources;
selecting, for transmission of at least one of the one or more PRSs, one or more of the plurality of frequency-domain resources; and
transmitting an on-demand request for the at least one PRS on the one or more selected frequency-domain resources to a network component.
2. The method of claim 1 , wherein the on-demand request is transmitted via a higher-layer message, via a medium access control command element (MAC-CE), via an uplink control information (UCI) communication, or a combination thereof.
3. The method of claim 1 ,
wherein the at least one PRS comprises a single PRS on a single frequency-domain resource, or
wherein the at least one PRS comprises a single PRS on multiple frequency-domain resources, or
wherein the at least one PRS comprises multiple PRSs on multiple frequency-domain resources.
4. The method of claim 1 ,
wherein the plurality of frequency-domain resources corresponds to a plurality of frequency bands, or
wherein the plurality of frequency-domain resources corresponds to a plurality of frequency layers, or
wherein the plurality of frequency-domain resources corresponds to a plurality of component carriers (CCs).
5. The method of claim 1 ,
wherein the at least one PRS comprises multiple PRSs on multiple frequency-domain resources, and
wherein a timing of the multiple PRSs is staggered across the multiple frequency-domain resources.
6. The method of claim 1 , wherein the transmitting further transmits a request for one or more measurement gaps (MGs) associated with the at least one PRS on the one or more selected frequency-domain resources.
7. The method of claim 6 ,
wherein the at least one PRS is associated with a single frequency-domain resource,
wherein the one or more MGs comprise a single MG on the single frequency-domain resource, and
wherein each frequency-domain resource other than the single frequency-domain resource remains available for transmission and reception of control and/or data during the single MG on the single frequency-domain resource.
8. The method of claim 6 ,
wherein the at least one PRS comprise multiple PRSs on multiple frequency-domain resources,
wherein the one or more MGs comprise a single MG on each of the multiple frequency-domain resources, and
wherein each of the multiple frequency-domain resources remains available for transmission and reception of control and/or data outside of its respective MG.
9. A method of operating a network component, comprising:
transmitting, to a user equipment (UE), configuration of a plurality of frequency-domain resources, wherein each frequency-domain resource configuration is associated with a bandwidth and subcarrier spacing (SCS);
transmitting, to the UE, configuration of one or more positioning reference signals (PRSs), wherein each PRS configuration is associated with a single frequency-domain resource from the plurality of frequency-domain resources; and
receiving, from the UE, an on-demand request for at least one of the one or more PRSs on one or more frequency-domain resources.
10. The method of claim 9 , wherein the on-demand request is received via a higher-layer message, via a medium access control command element (MAC-CE), via an uplink control information (UCI) communication, or a combination thereof.
11. The method of claim 9 ,
wherein the at least one PRS comprises a single PRS on a single frequency-domain resource, or
wherein the at least one PRS comprises a single PRS on multiple frequency-domain resources, or
wherein the at least one PRS comprises multiple PRSs on multiple frequency-domain resources.
12. The method of claim 9 ,
wherein the plurality of frequency-domain resources corresponds to a plurality of frequency bands, or
wherein the plurality of frequency-domain resources corresponds to a plurality of frequency layers, or
wherein the plurality of frequency-domain resources corresponds to a plurality of component carriers (CCs).
13. The method of claim 9 ,
wherein the at least one PRS comprises multiple PRSs on multiple frequency-domain resources, and
wherein a timing of the multiple PRSs is staggered across the multiple frequency-domain resources.
14. The method of claim 9 , wherein the receiving further receives a request for one or more measurement gaps (MGs) associated with the at least one PRS on the one or more frequency-domain resources.
15. The method of claim 14 ,
wherein the at least one PRS is associated with a single frequency-domain resource,
wherein the one or more MGs comprise a single MG on the single frequency-domain resource, and
wherein each frequency-domain resource other than the single frequency-domain resource remains available control and/or data during the single MG on the single frequency-domain resource.
16. The method of claim 14 ,
wherein the at least one PRS comprises multiple PRSs on multiple frequency-domain resources,
wherein the one or more MGs comprise a single MG on each of the multiple frequency-domain resources, and
wherein each of the multiple frequency-domain resources remains available for control and/or data outside of its respective MG.
17. A user equipment (UE), comprising:
one or more memories;
one or more transceivers; and
one or more processors communicatively coupled to the one or more memories and the one or more transceivers, the one or more processors, either alone or in combination, configured to:
receive, via the one or more transceivers, configuration of a plurality of frequency-domain resources, wherein each frequency-domain resource configuration is associated with a bandwidth and subcarrier spacing (SCS);
receive, via the one or more transceivers, configuration of one or more positioning reference signals (PRSs), wherein each PRS configuration is associated with a single frequency-domain resource from the plurality of frequency-domain resources;
select, for transmission of at least one of the one or more PRSs, one or more of the plurality of frequency-domain resources; and
transmit, via the one or more transceivers, an on-demand request for the at least one PRS on the one or more selected frequency-domain resources to a network component.
18. The UE of claim 17 , wherein the on-demand request is transmitted via a higher-layer message, via a medium access control command element (MAC-CE), via an uplink control information (UCI) communication, or a combination thereof.
19. The UE of claim 17 ,
wherein the at least one PRS comprises a single PRS on a single frequency-domain resource, or
wherein the at least one PRS comprises a single PRS on multiple frequency-domain resources, or
wherein the at least one PRS comprises multiple PRSs on multiple frequency-domain resources.
20. The UE of claim 17 ,
wherein the plurality of frequency-domain resources corresponds to a plurality of frequency bands, or
wherein the plurality of frequency-domain resources corresponds to a plurality of frequency layers, or
wherein the plurality of frequency-domain resources corresponds to a plurality of component carriers (CCs).
21. The UE of claim 17 ,
wherein the at least one PRS comprises multiple PRSs on multiple frequency-domain resources, and
wherein a timing of the multiple PRSs is staggered across the multiple frequency-domain resources.
22. The UE of claim 17 , wherein the transmitting further transmits a request for one or more measurement gaps (MGs) associated with the at least one PRS on the one or more selected frequency-domain resources.
23. The UE of claim 22 ,
wherein the at least one PRS is associated with a single frequency-domain resource, the one or more MGs comprise a single MG on the single frequency-domain resource, and each frequency-domain resource other than the single frequency-domain resource remains available for transmission and reception of control and/or data during the single MG on the single frequency-domain resource, or
wherein the at least one PRS comprise multiple PRSs on multiple frequency-domain resources, the one or more MGs comprise a single MG on each of the multiple frequency-domain resources, and each of the multiple frequency-domain resources remains available for transmission and reception of control and/or data outside of its respective MG.
24. A network component, comprising:
one or more memories;
one or more transceivers; and
one or more processors communicatively coupled to the one or more memories and the one or more transceivers, the one or more processors, either alone or in combination, configured to:
transmit, via the one or more transceivers, to a user equipment (UE), configuration of a plurality of frequency-domain resources, wherein each frequency-domain resource configuration is associated with a bandwidth and subcarrier spacing (SCS);
transmit, via the one or more transceivers, to the UE, configuration of one or more positioning reference signals (PRSs), wherein each PRS configuration is associated with a single frequency-domain resource from the plurality of frequency-domain resources; and
receive, via the one or more transceivers, from the UE, an on-demand request for at least one of the one or more PRSs on one or more frequency-domain resources.
25. The network component of claim 24 , wherein the on-demand request is received via a higher-layer message, via a medium access control command element (MAC-CE), via an uplink control information (UCI) communication, or a combination thereof.
26. The network component of claim 24 ,
wherein the at least one PRS comprises a single PRS on a single frequency-domain resource, or
wherein the at least one PRS comprises a single PRS on multiple frequency-domain resources, or
wherein the at least one PRS comprises multiple PRSs on multiple frequency-domain resources.
27. The network component of claim 24 ,
wherein the plurality of frequency-domain resources corresponds to a plurality of frequency bands, or
wherein the plurality of frequency-domain resources corresponds to a plurality of frequency layers, or
wherein the plurality of frequency-domain resources corresponds to a plurality of component carriers (CCs).
28. The network component of claim 24 ,
wherein the at least one PRS comprises multiple PRSs on multiple frequency-domain resources, and
wherein a timing of the multiple PRSs is staggered across the multiple frequency-domain resources.
29. The network component of claim 24 , wherein the receiving further receives a request for one or more measurement gaps (MGs) associated with the at least one PRS on the one or more frequency-domain resources.
30. The network component of claim 29 ,
wherein the at least one PRS is associated with a single frequency-domain resource, the one or more MGs comprise a single MG on the single frequency-domain resource, and each frequency-domain resource other than the single frequency-domain resource remains available control and/or data during the single MG on the single frequency-domain resource, or
wherein the at least one PRS comprises multiple PRSs on multiple frequency-domain resources, the one or more MGs comprise a single MG on each of the multiple frequency-domain resources, and each of the multiple frequency-domain resources remains available for control and/or data outside of its respective MG.