Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
PROCESSING CAPABILITIES AND MEASUREMENT PERIOD FORMULATION WITH MULTIPLE RECEPTION-TRANSMISSION TIMING ERROR GROUP (TEG) MEASUREMENTS
Document Type and Number:
WIPO Patent Application WO/2023/009931
Kind Code:
A4
Abstract:
Disclosed are techniques for wireless positioning. In an aspect, a network node receives, from a location server, a request location information message indicating that the network node is expected to report at least one positioning measurement of at least one positioning reference signal (PRS) resource for each of a plurality of timing error groups (TEGs) of the network node, performs the at least one positioning measurement of the at least one PRS resource for each of the plurality of TEGs over one or more repetitions of the at least one PRS resource based on a capability of the network node to perform simultaneous TEG processing of PRS resources, and transmits, to the location server, a provide location information message including at least the plurality of TEGs and the at least one positioning measurement associated with each of the plurality of TEGs.

Inventors:
MANOLAKOS ALEXANDROS (US)
KUMAR MUKESH (US)
YERRAMALLI SRINIVAS (US)
Application Number:
PCT/US2022/073465
Publication Date:
April 27, 2023
Filing Date:
July 06, 2022
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
QUALCOMM INC (US)
International Classes:
H04W64/00
Attorney, Agent or Firm:
OLDS, Mark E. (US)
Download PDF:
Claims:
AMENDED CLAIMS received by the International Bureau on 15 February 2023 (15.02.2023)

1. A method of wireless positioning performed by a network node, comprising: receiving, from a location server, a request location information message indicating that the network node is expected to report at least one positioning measurement of at least one positioning reference signal (PRS) resource for each of a plurality of timing error groups (TEGs) of the network node; performing the at least one positioning measurement of the at least one PRS resource for each of the plurality of TEGs over one or more repetitions of the at least one PRS resource based on a capability of the network node to perform simultaneous TEG processing of PRS resources; and transmitting, to the location server, a provide location information message including at least the plurality of TEGs and the at least one positioning measurement associated with each of the plurality of TEGs.

2. The method of claim 1, wherein: the network node is capable of performing simultaneous TEG processing of PRS resources, and performing the at least one positioning measurement of the at least one PRS resource for each of the plurality of TEGs comprises performing the at least one positioning measurement of the at least one PRS resource for each of the plurality of TEGs over one repetition of the at least one PRS resource.

3. The method of claim 2, further comprising: transmitting a provide location information message to the location server after the one repetition of the at least one PRS resource.

4. The method of claim 1, wherein: the network node is not capable of performing simultaneous TEG processing of PRS resources, and performing the at least one positioning measurement of the at least one PRS resource for each of the plurality of TEGs comprises performing the at least one

AMENDED SHEET (ARTICLE 19) positioning measurement of the at least one PRS resource for each of the plurality of TEGs over a plurality of repetitions of the at least one PRS resource.

5. The method of claim 4, wherein performing the at least one positioning measurement of the at least one PRS resource for each of the plurality of TEGs over the plurality of repetitions of the at least one PRS resource comprises: performing the at least one positioning measurement of the at least one PRS resource using a different TEG of the plurality of TEGs in each of the plurality of repetitions of the at least one PRS resource.

6. The method of claim 4, further comprising: transmitting a provide location information message to the location server after the plurality of repetitions of the at least one PRS resource.

7. The method of claim 1, wherein each of the plurality of TEGs is associated with a transmit beam or a receive beam used to perform the at least one positioning measurement of the at least one PRS resource for that TEG.

8. The method of claim 1, wherein each of the plurality of TEGs is associated with a transmit antenna or a receive antenna used to perform the at least one positioning measurement of the at least one PRS resource for that TEG.

9. The method of claim 1, further comprising: transmitting, to the location server, a provide capabilities message indicating capabilities of the network node to measure PRS resources for a positioning session, the provide capabilities message including at least one or more parameters indicating the capability of the network node to perform simultaneous TEG processing of PRS resources.

10. The method of claim 9, wherein the one or more parameters indicating the capability of the network node to perform simultaneous TEG processing of PRS resources are reported per frequency band or per frequency band combination.

AMENDED SHEET (ARTICLE 19) 11. The method of claim 9, wherein the one or more parameters indicating the capability of the network node to perform simultaneous TEG processing of PRS resources include: a number of receive (Rx) TEGs supported per positioning frequency layer (PFL), a number of transmit (Tx) TEGs supported per PFL, a number of (Rx, Tx) TEG pairs supported per PFL, a number of Rx-Tx TEGs supported per PFL, a number of simultaneous Rx TEGs the network node can process per PFL, a number of simultaneous Tx TEGs the network node can process per PFL, a number of simultaneous (Rx, Tx) TEG pairs the network node can process per

PFL, a number of simultaneous Rx-Tx TEGs the network node can process per PFL, or any combination thereof.

12. The method of claim 1, wherein: the network node is a user equipment (UE), the at least one PRS resource comprises at least one downlink PRS resource, the at least one positioning measurement is based on a reception time of the at least one downlink PRS resource, the plurality of TEGs comprises a plurality of Rx TEGs, the request location information message is received via Long-Term Evolution (LTE) positioning protocol (LPP), and the provide location information message is transmitted via LPP.

13. The method of claim 1, wherein: the network node is a UE, the at least one PRS resource comprises at least one sounding reference signal (SRS) resource, the at least one positioning measurement is based on a transmission time of the at least one SRS resource, the plurality of TEGs comprises a plurality of Tx TEGs,

AMENDED SHEET (ARTICLE 19) the request location information message is received via LPP, and the provide location information message is transmitted via LPP.

14. The method of claim 1, wherein: the network node is a base station, the at least one PRS resource comprises at least one SRS resource, the at least one positioning measurement is based on a reception time of the at least one SRS resource, the plurality of TEGs comprises a plurality of Rx TEGs, the request location information message is received via New Radio positioning protocol type A (NRPPa), and the provide location information message is transmitted via NRPPa.

15. The method of claim 1, wherein: the network node is a base station, the at least one PRS resource comprises at least one downlink PRS resource, the at least one positioning measurement is based on a transmission time of the at least one downlink PRS resource, the plurality of TEGs comprises a plurality of Tx TEGs, the request location information message is received via NRPPa, and the provide location information message is transmitted via NRPPa.

16. The method of claim 1, wherein: a number of the one or more repetitions is based on a measurement period defined for the at least one positioning measurement, and a length of the measurement period is based on the capability of the network node to perform simultaneous TEG processing of PRS resources.

17. The method of claim 16, wherein the length of the measurement period being based on the capability of the network node to perform simultaneous TEG processing of PRS resources comprises the length of the measurement period being based on a factor related to the capability of the network node to perform simultaneous TEG processing of PRS resources.

AMENDED SHEET (ARTICLE 19) 18. The method of claim 17, wherein for Frequency Range 1 (FR1): the factor is equal to one based on the network node having the capability to perform simultaneous TEG processing of PRS resources, or the factor is equal to a number of the plurality of TEGs based on the network node not having the capability to perform simultaneous TEG processing of PRS resources.

19. The method of claim 17, wherein for FR1, the factor is based on a number of a subset of the plurality of TEGs the network node can process per repetition of the at least one PRS resource.

20. The method of claim 17, wherein for Frequency Range 2 (FR2): the factor is equal to one based on the network node having the capability to perform simultaneous TEG processing of PRS resources, or the factor is equal to a number of antenna panels of the network node and the network node does not have the capability to perform simultaneous TEG processing of PRS resources on all of the antenna panels.

21. The method of claim 1, wherein: a number of the one or more repetitions is based on a measurement period defined for the at least one positioning measurement, and a length of the measurement period is based on an assumption that the network node is not capable of performing simultaneous TEG processing of PRS resources.

22. The method of claim 1, wherein: a number of the one or more repetitions is based on a measurement period defined for the at least one positioning measurement, and a length of the measurement period is based on an assumption that the network node is capable of performing simultaneous TEG processing of PRS resources.

23. A network node, comprising: a memory;

AMENDED SHEET (ARTICLE 19) at least one transceiver; and at least one processor communicatively coupled to the memory and the at least one transceiver, the at least one processor configured to: receive, via the at least one transceiver, from a location server, a request location information message indicating that the network node is expected to report at least one positioning measurement of at least one positioning reference signal (PRS) resource for each of a plurality of timing error groups (TEGs) of the network node; perform the at least one positioning measurement of the at least one PRS resource for each of the plurality of TEGs over one or more repetitions of the at least one PRS resource based on a capability of the network node to perform simultaneous TEG processing of PRS resources; and transmit, via the at least one transceiver, to the location server, a provide location information message including at least the plurality of TEGs and the at least one positioning measurement associated with each of the plurality of TEGs.

24. The network node of claim 23, wherein: the network node is capable of performing simultaneous TEG processing of PRS resources, and the at least one processor configured to perform the at least one positioning measurement of the at least one PRS resource for each of the plurality of TEGs comprises the at least one processor configured to perform the at least one positioning measurement of the at least one PRS resource for each of the plurality of TEGs over one repetition of the at least one PRS resource.

25. The network node of claim 23, wherein: the network node is not capable of performing simultaneous TEG processing of PRS resources, and the at least one processor configured to perform the at least one positioning measurement of the at least one PRS resource for each of the plurality of TEGs comprises the at least one processor configured to perform the at least one positioning measurement of the at least one PRS resource for each of the plurality of TEGs over a plurality of repetitions of the at least one PRS resource.

AMENDED SHEET (ARTICLE 19) 26. The network node of claim 23, wherein each of the plurality of TEGs is associated with a transmit beam or a receive beam used to perform the at least one positioning measurement of the at least one PRS resource for that TEG.

27. The network node of claim 23, wherein each of the plurality of TEGs is associated with a transmit antenna or a receive antenna used to perform the at least one positioning measurement of the at least one PRS resource for that TEG.

28. The network node of claim 23, wherein the at least one processor is further configured to: transmit, via the at least one transceiver, to the location server, a provide capabilities message indicating capabilities of the network node to measure PRS resources for a positioning session, the provide capabilities message including at least one or more parameters indicating the capability of the network node to perform simultaneous TEG processing of PRS resources.

29. The network node of claim 23, wherein: the network node is a user equipment (UE), the at least one PRS resource comprises at least one downlink PRS resource, the at least one positioning measurement is based on a reception time of the at least one downlink PRS resource, the plurality of TEGs comprises a plurality of Rx TEGs, the request location information message is received via Long-Term Evolution (LTE) positioning protocol (LPP), and the provide location information message is transmitted via LPP.

30. The network node of claim 23, wherein: the network node is a UE, the at least one PRS resource comprises at least one sounding reference signal (SRS) resource, the at least one positioning measurement is based on a transmission time of the at least one SRS resource,

AMENDED SHEET (ARTICLE 19) the plurality of TEGs comprises a plurality of Tx TEGs, the request location information message is received via LPP, and the provide location information message is transmitted via LPP.

31. The network node of claim 23, wherein: the network node is a base station, the at least one PRS resource comprises at least one SRS resource, the at least one positioning measurement is based on a reception time of the at least one SRS resource, the plurality of TEGs comprises a plurality of Rx TEGs, the request location information message is received via New Radio positioning protocol type A (NRPPa), and the provide location information message is transmitted via NRPPa.

32. The network node of claim 23, wherein: the network node is a base station, the at least one PRS resource comprises at least one downlink PRS resource, the at least one positioning measurement is based on a transmission time of the at least one downlink PRS resource, the plurality of TEGs comprises a plurality of Tx TEGs, the request location information message is received via NRPPa, and the provide location information message is transmitted via NRPPa.

33. The network node of claim 23, wherein: a number of the one or more repetitions is based on a measurement period defined for the at least one positioning measurement, and a length of the measurement period is based on the capability of the network node to perform simultaneous TEG processing of PRS resources.

34. A network node, comprising: means for receiving, from a location server, a request location information message indicating that the network node is expected to report at least one positioning

AMENDED SHEET (ARTICLE 19) measurement of at least one positioning reference signal (PRS) resource for each of a plurality of timing error groups (TEGs) of the network node; means for performing the at least one positioning measurement of the at least one PRS resource for each of the plurality of TEGs over one or more repetitions of the at least one PRS resource based on a capability of the network node to perform simultaneous TEG processing of PRS resources; and means for transmitting, to the location server, a provide location information message including at least the plurality of TEGs and the at least one positioning measurement associated with each of the plurality of TEGs.

35. A non-transitory computer-readable medium storing computer-executable instructions that, when executed by a network node, cause the network node to: receive, from a location server, a request location information message indicating that the network node is expected to report at least one positioning measurement of at least one positioning reference signal (PRS) resource for each of a plurality of timing error groups (TEGs) of the network node; perform the at least one positioning measurement of the at least one PRS resource for each of the plurality of TEGs over one or more repetitions of the at least one PRS resource based on a capability of the network node to perform simultaneous TEG processing of PRS resources; and transmit, to the location server, a provide location information message including at least the plurality of TEGs and the at least one positioning measurement associated with each of the plurality of TEGs.

AMENDED SHEET (ARTICLE 19)