Systems and methods for network procedures for on-demand positioning reference signal (PRS)
Certain aspects of the present disclosure relate to methods and apparatus for on-demand positioning. For example a method may include transmitting a request to participate in a UE positioning procedure, wherein the request indicates one or more parameters to be used by a location server in coordinating one or more base stations (BSs) to participate in the UE positioning procedure, and receiving signaling from the location server configuring the UE to participate in the UE positioning procedure.
1. A method for wireless communication by a user equipment (UE) comprising:
transmitting, from the UE, a request associated with a UE positioning procedure for determining a position of the UE, wherein the request indicates one or more parameters for the UE positioning procedure, the one or more parameters indicating a number of repeated slots for positioning reference signal (PRS) signaling, and one or more of: a number of symbols per time unit for PRS signaling, comb density of a desired PRS, a number of PRS occasions, a periodicity for sending the PRS signaling, a bandwidth (BW) for sending the PRS signaling, or one or more beams for sending the PRS signaling, or a combination thereof; and
receiving, from a location server, signaling associated with the UE positioning procedure.
2. The method of claim 1 , wherein the one or more parameters indicate the number of symbols per time unit for PRS signaling.
3. The method of claim 1 , wherein the one or more parameters indicate the comb density of the desired PRS.
4. The method of claim 1 , wherein the one or more parameters indicate the number of PRS occasions.
5. The method of claim 1 , wherein the one or more parameters indicate the periodicity for sending the PRS signaling.
6. The method of claim 1 , wherein the one or more parameters indicate the BW for sending the PRS signaling.
7. The method of claim 1 , wherein the one or more parameters indicate the one or more beams for sending the PRS signaling.
8. The method of claim 1 , further comprising:
receiving information regarding one or more known configurations of PRS, wherein the request indicates the one or more parameters by indicating a known configuration of PRS of the one or more known configurations of PRS.
9. A method for wireless communication by a network entity comprising:
configuring one or more base stations (B Ss) with one or more parameters, requested by a user equipment (UE), to be used for a UE positioning procedure for determining a position of the UE, the one or more parameters indicating a number of repeated slots for positioning reference signal (PRS) signaling, and one or more of: a number of symbols per time unit for PRS signaling, comb density of a desired PRS, a number of PRS occasions, a periodicity for sending the PRS signaling, a bandwidth (BW) for sending the PRS signaling, or one or more beams for sending the PRS signaling, or a combination thereof; and
sending, to the UE, signaling associated with the UE positioning procedure.
10. The method of claim 9 , wherein the one or more parameters indicate the number of symbols per time unit for PRS signaling.
11. The method of claim 9 , wherein the one or more parameters indicate the comb density of the desired PRS.
12. The method of claim 9 , wherein the one or more parameters indicate the number of PRS occasions.
13. The method of claim 9 , wherein the one or more parameters indicate the periodicity for sending the PRS signaling.
14. The method of claim 9 , wherein the one or more parameters indicate the BW for sending the PRS signaling.
15. The method of claim 9 , wherein the one or more parameters indicate the one or more beams for sending the PRS signaling.
16. The method of claim 9 , further comprising:
obtaining, from the UE, a request to participate in the UE positioning procedure, wherein the request indicates the one or more parameters.
17. The method of claim 9 , further comprising:
obtaining, from at least one of the one or more BSs, a PRS configuration.
18. The method of claim 17 , further comprising:
sending, to the UE, the PRS configuration.
19. The method of claim 9 , further comprising:
turning on, for at least one BS of the one or more BSs, PRS signaling.
20. The method of claim 9 , further comprising:
turning off, for at least one BS of the one or more BSs, PRS signaling.
21. The method of claim 9 , wherein the network entity comprises a location server.
22. A user equipment (UE) comprising:
a transceiver;
memory; and
a processor, communicatively coupled to the transceiver and the memory, wherein the processor is configured to cause the UE to:
transmit a request associated with a UE positioning procedure for determining a position of the UE, wherein the request indicates one or more parameters for the UE positioning procedure, the one or more parameters indicating a number of repeated slots for positioning reference signal (PRS) signaling, and one or more of: a number of symbols per time unit for PRS signaling, comb density of a desired PRS, a number of PRS occasions, a periodicity for sending the PRS signaling, a bandwidth (BW) for sending the PRS signaling, or one or more beams for sending the PRS signaling, or a combination thereof; and
receive, from a location server, signaling associated with the UE positioning procedure.
23. The UE of claim 22 , wherein the one or more parameters indicate the number of symbols per time unit for PRS signaling.
24. The UE of claim 22 , wherein the one or more parameters indicate the comb density of the desired PRS.
25. The UE of claim 22 , wherein the one or more parameters indicate the number of PRS occasions.
26. A network entity comprising:
at least one transceiver or at least one network interface or a combination thereof;
memory; and
at least one processor, communicatively coupled to the at least one transceiver or the at least one network interface or both, the at least one processor configured to cause the network entity to:
configure one or more base stations (BSs) with one or more parameters, requested by a user equipment (UE), to be used for a UE positioning procedure for determining a position of the UE, the one or more parameters indicating a number of repeated slots for positioning reference signal (PRS) signaling, and one or more of: a number of symbols per time unit for PRS signaling, comb density of a desired PRS, a number of PRS occasions, a periodicity for sending the PRS signaling, a bandwidth (BW) for sending the PRS signaling, or one or more beams for sending the PRS signaling, or a combination thereof; and
send, to the UE, signaling associated with the UE positioning procedure.
27. The network entity of claim 26 , wherein the one or more parameters indicate the number of symbols per time unit for PRS signaling.
28. The network entity of claim 26 , wherein the one or more parameters indicate the comb density of the desired PRS.