公开(公告)号：US20240267184A1

公开(公告)日：2024-08-08

申请号：US18435559

申请日：2024-02-07

Applicant: Nokia Technologies Oy

Inventor： Ryan KEATING ,  Hyun-Su CHA ,  Satya Krishna JOSHI ,  Dileep KUMAR

IPC: H04L5/00 ,  H04B1/403 ,  H04W64/00

CPC classification number: H04L5/0051 ,  H04B1/403 ,  H04W64/00

Abstract: Systems, methods, apparatuses, and computer program products for reporting LO information for RTT carrier phase positioning. An apparatus includes at least one processor and at least one memory storing instructions that, when executed by the at least one processor, may cause the apparatus at least to determine a local oscillator in the apparatus that is used to perform at least one downlink positioning reference signal (PRS) measurement and at least one uplink sounding reference signal (SRS) transmission; and transmit local oscillator information comprising at least one identifier associated with the determined local oscillator to a first network entity.

公开(公告)号：US20220390546A1

公开(公告)日：2022-12-08

申请号：US17342286

申请日：2021-06-08

Applicant: NOKIA TECHNOLOGIES OY

Inventor： Hyun-Su CHA ,  Ryan KEATING

IPC: G01S5/04

Abstract: Systems, methods, apparatuses, and computer program products for using angle error groups (AEGs) to improve angle of arrival (AoA) positioning may be provided. For example, for a specific received signal, one or more receiving antenna elements that can be considered to have almost the same incident angle within a certain margin may be defined as a group. The group of receive (Rx) antenna elements (or a group of Rx antennas) may be defined as an AEG. The configuration of an AEG for each TRP and the AEG may be used for AoA measurement and reporting. The gNB or transmit receive point (TRP) may perform AoA measurements and may determine an AoA for the AEGs.

公开(公告)号：US20250113328A1

公开(公告)日：2025-04-03

申请号：US18829056

申请日：2024-09-09

Applicant: Nokia Technologies Oy

Inventor： Hyun-Su CHA ,  Torsten WILDSCHEK ,  Gilsoo LEE

IPC: H04W64/00 ,  H04L5/00 ,  H04W24/10 ,  H04W72/25 ,  H04W92/18

Abstract: The present disclosure relates to a sidelink (SL) positioning measurement based on a plurality of measurement samples. In particular, a location server requests a receiving (RX) device to report SL positioning measurement that has been made from a plurality of measurement samples. The RX UE requests a transmitting (TX) UE to transmit a plurality of SL positioning reference signals (PRSs) through a plurality of SL PRS resources so that the RX UE can obtain multiple SL positioning measurement samples. In this way, it can improve SL positioning performance. The solution allows for high accuracy measurements and hence enables high accuracy SL positioning.

公开(公告)号：US20250113312A1

公开(公告)日：2025-04-03

申请号：US18897072

申请日：2024-09-26

Applicant: Nokia Technologies Oy

Inventor： Satya Krishna JOSHI ,  Dileep KUMAR ,  Aki HEKKALA ,  Hyun-Su CHA

IPC: H04W56/00

Abstract: An apparatus including means for performing at least one reference signal carrier phase, RSCP, measurement for a signal, means for determining a coherence time, wherein coherence time is a time duration that an initial phase of the signal does not change beyond a threshold, means for determining, based on the determined coherence time, to provide at least one of the following to the network function: the at least one RSCP measurement or an indication of the determined coherence time and means for providing to a network function the determined at least one of the following: the at least one RSCP measurement or an indication of the determined coherence time.

公开(公告)号：US20250067883A1

公开(公告)日：2025-02-27

申请号：US18925500

申请日：2024-10-24

Applicant: Nokia Technologies Oy

Inventor： Hyun-Su CHA ,  Ryan KEATING

IPC: G01S19/41 ,  G01S19/43

Abstract: An apparatus, for example a target UE, may be configured to: request at least one single difference carrier phase measurement of at least one positioning reference signal, wherein the at least one single difference carrier phase measurement is performed with at least one positioning reference unit; transmit an indication of a set of time-stamps for measurement of the at least one positioning reference signal; receive first measurement data for the at least one positioning reference signal, wherein the first measurement data comprises, at least, the at least one single difference carrier phase measurement measured with reference to the set of time-stamps; and determine a location estimation of the apparatus, comprising performing a double differential operation based, at least partially, on the first measurement data and second measurement data.

公开(公告)号：US20250056481A1

公开(公告)日：2025-02-13

申请号：US18796034

申请日：2024-08-06

Applicant: Nokia Technologies Oy

Inventor： Prajwal KESHAVAMURTHY ,  Hyun-Su CHA ,  Taylan SAHIN

IPC: H04W64/00

Abstract: Example embodiments of the present disclosure relate to devices, methods, apparatuses and computer readable storage medium for synchronization reference alignment. In a method, a server device obtains first information indicating at least one of: a role of a device of at least one device during positioning of a target device based on at least sidelink positioning reference signals, or quality of a plurality of links between the device of the at least one device and a plurality of positioning anchor devices for the positioning of the target device. Based on at least the first information, the server device determines a common synchronization reference source for synchronization of at least one of the plurality of positioning anchor devices.

公开(公告)号：US20250048310A1

公开(公告)日：2025-02-06

申请号：US18682412

申请日：2022-10-05

Applicant: Nokia Technologies Oy

Inventor： Ryan KEATING ,  Hyun-Su CHA

IPC: H04W64/00 ,  H04L5/00

Abstract: Systems, methods, apparatuses, and computer program products for reducing user equipment (UE) transmit (Tx) timing error group (TEG) reporting overhead. A method may include receiving, from a first network element, an indication that a sounding reference signal for positioning will be used for uplink and downlink plus uplink positioning. Configuration for the sounding reference signal resource for positioning may be received from a second network element. The sounding reference signal resource for positioning may be associated with a user equipment transmit timing error group. The first network element or the second network element may be informed that a user equipment will report the user equipment transmit timing error group association to the first network element or to the second network element. The user equipment transmit timing error group association may be reported to the first network element or to the second network element.

公开(公告)号：US20240348401A1

公开(公告)日：2024-10-17

申请号：US18632655

申请日：2024-04-11

Applicant: Nokia Technologies Oy

Inventor： Ryan KEATING ,  Torsten WILDSCHEK ,  Taylan SAHIN ,  Hyun-Su CHA ,  Prajwal KESHAVAMURTHY

IPC: H04L5/00 ,  G01S5/02 ,  H04W72/25

CPC classification number: H04L5/0051 ,  G01S5/0205 ,  H04W72/25

Abstract: Systems, methods, apparatuses, and computer program products for dynamic gap symbol in sidelink positioning reference signal (SL PRS) resource configuration. A method may include receiving, from a user equipment, a sidelink control information indicating whether a gap symbol exists for a sidelink positioning reference signal transmission. The method may also include determining a time domain allocation of the sidelink positioning reference signal. The method may further include receiving, from the user equipment, a sidelink positioning reference signal with or without the gap symbol. In addition, the method may include performing a positioning computation based on the sidelink positioning reference signal received from the user equipment.

公开(公告)号：US20240272294A1

公开(公告)日：2024-08-15

申请号：US18438934

申请日：2024-02-12

Applicant: Nokia Technologies Oy

Inventor： Prajwal KESHAVAMURTHY ,  Oana-Elena BARBU ,  Torsten WILDSCHEK ,  Ryan KEATING ,  Hyun-Su CHA ,  Stepan KUCERA

IPC: G01S13/76

CPC classification number: G01S13/765 ,  G01S13/767

Abstract: Inter-alia, a method e.g. performed by an anchor user device is disclosed comprising:



receiving a first target sidelink positioning reference signal;
transmitting a first anchor sidelink positioning reference signal;
performing a receiver-transmitter time difference measurement based on the first target sidelink positioning reference signal and the first anchor sidelink positioning reference signal;
transmitting an indication of a suggestion to switch from a first sidelink round-trip time positioning method to a second round-trip time positioning method based on the receiver-transmitter time difference measurement.




Further, inter-alia a method performed by a target user device is disclosed as well as respective anchor and target user devices.

公开(公告)号：US20240114481A1

公开(公告)日：2024-04-04

申请号：US18473773

申请日：2023-09-25

Applicant: Nokia Technologies Oy

Inventor： Hyun-Su CHA ,  Ryan KEATING

IPC: H04W64/00 ,  G01S5/02

CPC classification number: H04W64/006 ,  G01S5/0244

Abstract: There is provided an apparatus, and corresponding meth-od, configured to receive, from a network element, an indi-cation that a terminal device is to determine a current convergence speed of a positioning algorithm used to deter-mine a position result of the terminal device; determine the position result of the terminal device using the positioning algorithm; determine the current convergence speed of the positioning algorithm used when determining the position result of the terminal device; determine a relative conver-gence speed of the positioning algorithm, based on the cur-rent convergence speed; and indicate to the network ele-ment at least one of: the relative convergence speed, at least one value obtained based on the current convergence speed, an integrity result of the determined position result, or the determined position result of the terminal device.