公开(公告)号：US11722840B2

公开(公告)日：2023-08-08

申请号：US17342398

申请日：2021-06-08

Applicant: Qualcomm Technologies, Inc.

Inventor： Truman Prevatt ,  Michael John Buynak

IPC: H04W24/00 ,  H01Q1/24 ,  H04L5/00 ,  G01S13/87 ,  G01S13/76 ,  G01S13/24 ,  H01Q21/28 ,  G01S13/46 ,  H04W4/02 ,  G01S5/02 ,  G01S13/22 ,  G01S5/14 ,  G01S3/74 ,  G01S5/10

CPC classification number: H04W4/023 ,  G01S3/74 ,  G01S5/0215 ,  G01S5/0218 ,  G01S5/0252 ,  G01S5/0258 ,  G01S5/0263 ,  G01S5/0273 ,  G01S5/10 ,  G01S5/14 ,  G01S13/222 ,  G01S13/24 ,  G01S13/767 ,  G01S13/878 ,  H01Q1/241 ,  H01Q1/246 ,  H01Q21/28 ,  H04L5/005 ,  H04L5/0048 ,  G01S2013/466 ,  G01S2013/468

Abstract: Systems and methods for determining user equipment (UE) locations within a wireless network using reference signals of the wireless network are described. The disclosed systems and methods utilize a plurality of in-phase and quadrature (I/Q) samples generated from signals provided by receive channels associated with two or more antennas of the wireless system. Based on received reference signal parameters the reference signal within the signals from each receive channel among the receive channels is identified. Based on the identified reference signal from each receive channel, an angle of arrival between a baseline of the two or more antennas and incident energy from the UE to the two or more antennas is determined. That angle of arrival is then used to calculate the location of the UE. The angle of arrival may be a horizontal angle of arrival and/or a vertical angle of arrival.

公开(公告)号：US11733341B2

公开(公告)日：2023-08-22

申请号：US17592377

申请日：2022-02-03

Applicant: Qualcomm Technologies, Inc.

Inventor： Felix Markhovsky ,  Truman Prevatt ,  Russ Markhovsky ,  Michael John Buynak

IPC: G01S5/02 ,  H04W64/00 ,  G01S7/4861 ,  G01S19/05 ,  G01S7/4865

CPC classification number: G01S5/0236 ,  G01S5/0231 ,  G01S7/4861 ,  G01S7/4865 ,  G01S19/05 ,  H04W64/003

Abstract: A split architecture is disclosed for determining the location of a wireless device in a heterogeneous wireless communications environment. A detector within the device or another component of the environment receives signals including parameters for a localization signal of the device. The parameters describe known in advance signals within the signals. Additional metadata including each frame start of the signals and assistance data and auxiliary information are also received. The known in advance signals are detected based on the parameters of the localization signal. Samples extracted from the known in advance signals are then processed and compressed and sent with other collect data to a locate server remote from the detector. The location server uses that information as well as similar information about the environment to calculate the location of the device, as well as perform tracking and navigation of the device, and report such results to the environment.

公开(公告)号：US11789108B2

公开(公告)日：2023-10-17

申请号：US15595702

申请日：2017-05-15

Applicant: QUALCOMM TECHNOLOGIES, INC.

Inventor： Felix Markhovsky ,  Truman Prevatt ,  Russ Markhovsky

IPC: G01S5/02 ,  H04W4/02 ,  H04W56/00 ,  G01S1/04 ,  G01S1/20 ,  G01S3/74 ,  G01S13/74

CPC classification number: G01S5/0218 ,  G01S1/0423 ,  G01S1/20 ,  G01S3/74 ,  G01S5/021 ,  G01S5/0205 ,  G01S5/0215 ,  G01S5/0226 ,  G01S5/0257 ,  G01S13/74 ,  H04W4/023 ,  H04W56/001 ,  G01S5/0252

Abstract: Systems and methods for determining a location of one or more user equipment (UE) in a wireless system can comprise receiving reference signals via a location management unit having two or more co-located channels, wherein the two or more co-located channels are tightly synchronized with each other and utilizing the received reference signals to calculate a location of at least one UE among the one or more UE. Embodiments include multichannel synchronization with a standard deviation of less than or equal 10 ns. Embodiments can include two LMUs, with each LMU having internal synchronization, or one LMU with tightly synchronized signals.

公开(公告)号：US11917493B2

公开(公告)日：2024-02-27

申请号：US17837944

申请日：2022-06-10

Applicant: Qualcomm Technologies Inc.

Inventor： Felix Markhovsky ,  Truman Prevatt ,  Russ Markhovsky ,  David Goodwin Shaw ,  Tyler Matthew Smith

IPC: H04W4/029 ,  H04W64/00 ,  H04B17/336 ,  H04W24/10 ,  H04L43/0864 ,  G01S5/06 ,  H04B17/27 ,  G01S5/10 ,  G01S5/00 ,  G01S5/02 ,  H04W4/02

CPC classification number: H04W4/029 ,  G01S5/00 ,  G01S5/0273 ,  G01S5/06 ,  G01S5/10 ,  H04B17/27 ,  H04B17/336 ,  H04L43/0864 ,  H04W4/025 ,  H04W24/10 ,  H04W64/00

Abstract: UE location determined by collecting and preprocessing signal data at a detector and sending extracted data to a remote locate server. The detector buffers samples from signals provided by receive channels, detects known reference signals from receive channels based on reference signal parameters, isolates symbols carrying the reference signal from frames, extracts data from symbols, and sends extracted data to locate server. The locate server receives the extracted data, estimates locate observables based on the extracted data and calculates the UE location based on the estimated locate observables, the reference signal parameters and the extracted data. The detector and/or the server may also generate correlation coefficients between reference signals carrying spectrum received from a serving cell and utilize the correlation coefficients to cancel a serving cell signal in symbols that include known in advance reference signals from the serving cell and one or more neighboring cells of the wireless system.

公开(公告)号：US11835639B2

公开(公告)日：2023-12-05

申请号：US15595702

申请日：2017-05-15

Applicant: QUALCOMM TECHNOLOGIES, INC.

Inventor： Felix Markhovsky ,  Truman Prevatt ,  Russ Markhovsky

IPC: G01S5/02 ,  H04W4/02 ,  H04W56/00 ,  G01S1/04 ,  G01S1/20 ,  G01S3/74 ,  G01S13/74

CPC classification number: G01S5/0218 ,  G01S1/0423 ,  G01S1/20 ,  G01S3/74 ,  G01S5/021 ,  G01S5/0205 ,  G01S5/0215 ,  G01S5/0226 ,  G01S5/0257 ,  G01S13/74 ,  H04W4/023 ,  H04W56/001 ,  G01S5/0252

Abstract: Systems and methods for determining a location of one or more user equipment (UE) in a wireless system can comprise receiving reference signals via a location management unit having two or more co-located channels, wherein the two or more co-located channels are tightly synchronized with each other and utilizing the received reference signals to calculate a location of at least one UE among the one or more UE. Embodiments include multichannel synchronization with a standard deviation of less than or equal 10 ns. Embodiments can include two LMUs, with each LMU having internal synchronization, or one LMU with tightly synchronized signals.