IP Library › Granted Patent US 12,273,286
Granted Patent B2
US 12,273,286 · App. 16/746,594 · Granted Apr 8, 2025

Bandwidth part operation and downlink or uplink positioning reference signal scheme

Inventors: Alexandros Manolakos (San Diego, CA); Joseph Binamira Soriaga (San Diego, CA); Sony Akkarakaran (Poway, CA); Guttorm Ringstad Opshaug (Redwood City, CA); Sven Fischer (Nuremberg, DE)
Assignee: QUALCOMM Incorporated
H04L5/0048H04W4/029H04W24/08H04W72/04
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Quick Facts
Patent No.
US 12,273,286
App. No.
16/746,594
Granted
Apr 8, 2025
Kind
B2
Abstract

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive an indication of a positioning reference signal configuration of a base station. The UE may determine, based on the positioning reference signal configuration, a reference point within a carrier bandwidth of a component carrier and a frequency domain allocation for a positioning reference signal relative to the reference point. The UE may transmit the positioning reference signal or measure the positioning reference signal based on the frequency domain allocation.

Claims (71)

1. An apparatus for wireless communication by a user equipment (UE), comprising:

a memory; and

a processor coupled with the memory, the processor configured to:

receive, via a first signaling, an indication of a positioning reference signal configuration for one or more transmission reception points, the positioning reference signal configuration associated with a positioning reference signal and indicating a reference point within a carrier bandwidth of a component carrier and a bandwidth or a number of resource blocks of a positioning reference signal resource;

determine, based at least in part on the positioning reference signal configuration, a start of the positioning reference signal resource that is offset by a gap in frequency relative to the reference point;

receive, via a second signaling that is different from the first signaling, a measurement indicator that configures the UE to measure the positioning reference signal over the bandwidth or the number of resource blocks of the positioning reference signal resource that is at least partially outside an active bandwidth part; and

measure the positioning reference signal on the positioning reference signal resource that is at least partially outside the active bandwidth part based at least in part on a measurement gap indicated to the UE and the measurement indicator.

2. The apparatus of claim 1 , wherein the processor is further configured to:

generate a measurement of the positioning reference signal based at least in part on the positioning reference signal resource; and

transmit the measurement to a network entity.

3. The apparatus of claim 1 , wherein the processor is further configured to:

determine a positioning estimate of the UE based at least in part on measuring the positioning reference signal within the positioning reference signal resource.

4. The apparatus of claim 1 , wherein the processor is further configured to:

receive positioning information that indicates a first location of a first transmission reception point and at least a second location of at least a second transmission reception point; and

determine a positioning estimate of the UE based at least in part on the positioning information.

5. The apparatus of claim 1 , wherein the processor is further configured to:

receive a positioning reference signal measurement report that indicates a first measurement and a first location of a first transmission reception point and at least a second measurement and at least a second location of at least a second transmission reception point; and

determine a positioning estimate of the UE based at least in part on the positioning reference signal measurement report.

6. The apparatus of claim 1 , wherein the reference point differs from a starting resource block of the carrier bandwidth.

7. The apparatus of claim 6 , wherein the processor is further configured to:

determine a scrambling sequence for the positioning reference signal based at least in part on the reference point;

scramble a first sequence with the scrambling sequence to generate a positioning reference sequence; and

generate the positioning reference signal based at least in part on the positioning reference sequence.

8. The apparatus of claim 6 , wherein the processor is further configured to:

measure the positioning reference signal within the positioning reference signal resource using a subcarrier spacing of the carrier bandwidth that differs from a subcarrier spacing of the active bandwidth part within the carrier bandwidth configured for the UE.

9. The apparatus of claim 1 , wherein the reference point is a starting resource block of the carrier bandwidth.

10. The apparatus of claim 9 , wherein the processor is further configured to:

measure the positioning reference signal within the positioning reference signal resource using a subcarrier spacing of the carrier bandwidth that is the same as a subcarrier spacing of the active bandwidth part within the carrier bandwidth configured for the UE.

11. The apparatus of claim 1 , wherein the processor is further configured to:

receive a second indication of a second positioning reference signal configuration of a second transmission reception point;

determine, based at least in part on the second positioning reference signal configuration, a second reference point within the carrier bandwidth of the component carrier and a second positioning reference signal resource for a second positioning reference signal relative to the second reference point; and

transmit the second positioning reference signal or measuring the second positioning reference signal within the second positioning reference signal resource.

12. The apparatus of claim 1 , wherein the UE maintains transmission of the positioning reference signal throughout a duration of a connection with the one or more transmission reception points based at least in part on received RRC signaling or a received configuration.

13. The apparatus of claim 1 , wherein the UE maintains transmission of the positioning reference signal beginning after receiving a first medium access control (MAC) control element (CE) and until receiving a second MAC CE that de-activates the transmission of the positioning reference signal.

14. The apparatus of claim 1 , wherein the processor is further configured to:

receive a gap indicator that indicates the measurement gap, wherein the measurement gap comprises one or more symbols before or after a positioning reference signal occasion.

15. The apparatus of claim 1 , wherein the processor is further configured to:

receive signaling that configures the UE with at least one bandwidth part and the active bandwidth part from the at least one bandwidth part, wherein the positioning reference signal resource intersects with a bandwidth of the active bandwidth part.

16. The apparatus of claim 15 , wherein the processor is further configured to:

determine that an intersection of the positioning reference signal resource and the bandwidth of the active bandwidth part satisfies a threshold.

17. The apparatus of claim 15 , wherein the active bandwidth part does not change during at least one positioning reference signal occasion or at least one positioning reference signal occasion group.

18. The apparatus of claim 15 , wherein the active bandwidth part does not change during a plurality of positioning reference signal occasions or a plurality of positioning reference signal occasion groups within a defined time window.

19. The apparatus of claim 15 , wherein the active bandwidth part does not change during a plurality of positioning reference signal occasions or a plurality of positioning reference signal occasion groups for measuring a positioning reference signal of a plurality of transmission reception points.

20. The apparatus of claim 15 , wherein the positioning reference signal resource of the positioning reference signal does not change when the active bandwidth part changes to a second active bandwidth part during at least one positioning reference signal occasion or at least one positioning reference signal occasion group.

21. The apparatus of claim 1 , wherein the bandwidth or the number of resource blocks of the positioning reference signal resource exceeds a bandwidth of the active bandwidth part.

22. The apparatus of claim 1 , wherein the processor is further configured to:

transmit a capability indicator that indicates a defined bandwidth support for the positioning reference signal that spans a plurality of component carriers; and

receive a gap indicator that configures the measurement gap, wherein the measurement gap comprises a time domain gap before or after a positioning reference signal occasion.

23. The apparatus of claim 1 , wherein the processor is further configured to:

receive the positioning reference signal, wherein measuring the positioning reference signal is based at least in part on receiving the positioning reference signal.

24. The apparatus of claim 1 , wherein the processor is further configured to:

receive a port indication that indicates to apply a same port across the positioning reference signal resource or to apply a different port for each component carrier of a plurality of component carriers, wherein the positioning reference signal resource spans the plurality of component carriers.

25. The apparatus of claim 24 , wherein the processor is further configured to:

determine to apply the same port across the positioning reference signal resource based at least in part on the positioning reference signal resource spanning the plurality of component carriers.

26. An apparatus for wireless communication by a network entity, comprising:

a memory; and

a processor coupled with the memory, the processor configured to:

transmit, via a first signaling, an indication of a positioning reference signal configuration for one or more transmission reception points, the positioning reference signal configuration associated with a positioning reference signal and indicating a reference point within a carrier bandwidth of a component carrier and a bandwidth or a number of resource blocks of a positioning reference signal resource;

determine, based at least in part on the positioning reference signal configuration, a start of the positioning reference signal resource that is offset by a gap in frequency relative to the reference point;

transmit, via a second signaling that is different from the first signaling, a measurement indicator that configures a user equipment (UE) to measure the positioning reference signal over the bandwidth or the number of resource blocks of the positioning reference signal resource that is at least partially outside an active bandwidth part; and

transmit the positioning reference signal to the UE on the positioning reference signal resource that is at least partially outside the active bandwidth part based at least in part on a measurement gap associated with the UE and the measurement indicator.

27. A method for wireless communication by a user equipment (UE), comprising:

receiving, via a first signaling, an indication of a positioning reference signal configuration for one or more transmission reception points, the positioning reference signal configuration associated with a positioning reference signal and indicating a reference point within a carrier bandwidth of a component carrier and a bandwidth or a number of resource blocks of a positioning reference signal resource;

determining, based at least in part on the positioning reference signal configuration, a start of the positioning reference signal resource that is offset by a gap in frequency relative to the reference point;

receiving, via a second signaling that is different from the first signaling, a measurement indicator that configures the UE to measure the positioning reference signal over the bandwidth or the number of resource blocks of the positioning reference signal resource that is at least partially outside an active bandwidth part; and

measuring the positioning reference signal on the positioning reference signal resource that is at least partially outside the active bandwidth part based at least in part on a measurement gap indicated to the UE and the measurement indicator.

28. A method for wireless communication by a network entity, comprising:

transmitting, via a first signaling, an indication of a positioning reference signal configuration for one or more transmission reception points, the positioning reference signal configuration associated with a positioning reference signal and indicating a reference point within a carrier bandwidth of a component carrier and a bandwidth or a number of resource blocks of a positioning reference signal resource;

determining, based at least in part on the positioning reference signal configuration, a start of the positioning reference signal resource that is offset by a gap in frequency relative to the reference point;

transmitting, via a second signaling that is different from the first signaling, a measurement indicator that configures a user equipment (UE) to measure the positioning reference signal over the bandwidth or the number of resource blocks of the positioning reference signal resource that is at least partially outside an active bandwidth part; and

transmitting the positioning reference signal to the UE on the positioning reference signal resource that is at least partially outside the active bandwidth part based at least in part on a measurement gap associated with the UE and the measurement indicator.

Assignments (2)
CORRECTIVE ASSIGNMENT TO CORRECT THE APPLICATION NUMBER AND FILING DATE IN THE ATTACHED ASSIGNMENT PREVIOUSLY RECORDED ON REEL 051683 FRAME 0344. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Recorded Aug 31, 2021
From: MANOLAKOS, ALEXANDROS; SORIAGA, JOSEPH BINAMIRA; AKKARAKARAN, SONY; OPSHAUG, GUTTORM RINGSTAD; FISCHER, SVEN
To: QUALCOMM INCORPORATED
Reel/Frame 057365/0630 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 31, 2020
From: MANOLAKOS, ALEXANDROS; SORIAGA, JOSEPH BINAMIRA; AKKARAKARAN, SONY; OPSHAUG, GUTTORM RINGSTAD; FISCHER, SVEN
To: QUALCOMM INCORPORATED
Reel/Frame 051683/0344 →
Continuity (3)
Provisional Application 62795514 · Jan 22, 2019
Provisional Application 62794958 · Jan 21, 2019
Related Publication 20200235877A1 · Jul 23, 2020
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Nokia, et al., “Views on DL and UL Reference Signals for NR Positioning”, 3GPP Draft, 3GPP TSG RAN WG1 #96bis, R1-1905262 RS for NR Positioning, 3rd Generation Partnership Project (3GPP), Mobile Competence Centre, 650, … [cited by applicant]
Shin et al., “Sounding Reference Signal Measurement in LTE System”, 18th International Conference on Advanced Communication Technology (ICACT), Mar. 3, 2016, pp. 755-758, https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&… [cited by applicant]
Vivo: “Discussion on DL RS for NR Positioning”, R1-1908174, 3GPP TSG RAN WG1 #98, Prague, CZ, Aug. 26-30, 2019, 13 Pages. [cited by applicant]
White Paper: “An overview of LTE Positioning”, Feb. 2012, SPIRENT, 16 Pages. [cited by applicant]
Ericsson: “RAT Dependent NR Positioning Solutions”, 3GPP Draft, 3GPP TSG-RAN WG1 #95, R1-1813592, RAT Dependent NR Positioning Solutions, 3rd Generation Partnership Project (3GPP), Mobile Competence Centre, 650, Route D… [cited by applicant]
Keating R, et al., “Overview of Positioning in 5G New Radio”, 2019 16th International Symposium on Wireless Communication Systems (ISWCS), IEEE, Aug. 27, 2019 (Aug. 27, 2019), pp. 320-324. XP033636268, DOI: 10.1109/ISWC… [cited by applicant]
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“3rd Generation Partnership Project; Technical Specification Group Radio Access Network; NR; Physical Layer Procedures for Data (Release 16)”, 3GPP Standard, Technical Specification, 3GPP TS 38.214, 3rd Generation Partn… [cited by applicant]
Ericsson, “DL Reference Signals for NR Positioning”, R1-1909424, 3GPP TSG-RAN WG1 Meeting #98, Prague, CZ, Aug. 26-30, 2019 (Year: 2019), 28 Pages. [cited by applicant]
Intel Corporation: “Design of Downlink Reference Signals for NR Positioning”, 3GPP TSG RAN WG1 Meeting #97, R1-1906821, Reno, USA, May 13-17, 2019, pp. 1-17. [cited by applicant]
Taiwan Search Report—TW109102041—TIPO—Mar. 7, 2023. [cited by applicant]
Xinwei: “Discussion on Indoor Positioning Enhancement Aided by EB/FD-MIMO”, R1-154700, 3rd Generation Partnership Project (3GPP), Mobile Competence Centre, 650, Route Des Lucioles, F-06921 Sophia-Antipolis Cedex, France… [cited by applicant]
Ericsson: “DL Reference Signals for NR Positioning”, 3GPP TSG RAN WG1 Meeting #97, R1-1907508, Reno, NV, USA, May 13-17, 2019, 27 Pages. [cited by applicant]
Ericsson: “DL and UL Reference Signals for NR Positioning”, 3GPP TSG RAN WG1 96, R1-1905461, Xi'an, P.R. China, Apr. 8-12, 2019, Apr. 3, 2019, pp. 1-15. [cited by applicant]
SONY: “Discussion on OTDOA NR Positioning”, 3GPP TSG RAN WG2 Meeting #104, R2-1817081, Spokane, USA, Nov. 12-16, 2018, 3 pages. [cited by applicant]
Ericsson: “DFT size for Uplink Transmissions”, 3GPP TSG-RAN WG1 #47, R1-063127, Riga, Latvia, Nov. 6-10, 2006, 2 Pages, Nov. 1, 2006. [cited by applicant]