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1. 发明公开

US20240334372A1 TERMINAL DEVICE LOCATING METHOD, APPARATUS AND STORAGE MEDIUM 审中-公开
公开(公告)号：US20240334372A1
公开(公告)日：2024-10-03
申请号：US18571243
申请日：2022-06-09
申请人： DATANG MOBILE COMMUNICATIONS EQUIPMENT CO.,LTD.
发明人： Zhenyu ZHANG , Bin REN , Rongyi FANG , Gang LI , Ren DA , Shaohui SUN
IPC分类号： H04W64/00 , G01S5/02 , G01S5/14
CPC分类号： H04W64/00 , G01S5/0218 , G01S5/14
摘要： The present disclosure provides a terminal device locating method, an apparatus and a storage medium. The method includes: receiving, by a first network element, a reference signal; determining a time-domain channel response of the reference signal according to the reference signal; performing filtering processing on the time-domain channel response to obtain a line-of-sight time-domain signal; determining subcarrier phase information of a line-of-sight frequency-domain signal according to the line-of-sight time-domain signal, where the subcarrier phase information is used to determine location information of a terminal device. The present disclosure can improve the accuracy of locating the terminal device.

2. 发明授权

US12063620B2 Bluetooth-based spatial-temporal localization 有权
公开(公告)号：US12063620B2
公开(公告)日：2024-08-13
申请号：US17652527
申请日：2022-02-25
申请人： Mitsubishi Electric Research Laboratories, Inc.
发明人： Pu Wang , Jianyuan Yu , Toshiaki Koike-Akino , Philip Orlik
IPC分类号： H04W64/00 , G01S5/02
CPC分类号： H04W64/00 , G01S5/0218 , G01S5/02213 , G01S5/0268
摘要： A Bluetooth-enabled device is provided, the Bluetooth-enabled device being configured to control a radio frequency (RF) chain during a first period to receive at a single antenna selected from a plurality of antennas, a constant tone extension (CTE) signal of multiple frames transmitted by the Bluetooth-enabled transmitter over multiple frequencies. Further the RF chain is controlled during a second period to switch among the plurality of antennas to receive the CTE signal at each of the plurality of antennas. An initial time-of-flight (ToF) data of the CTE signal is determined from first samples of the CTE signal received during the first period. Further, the Bluetooth-enabled transmitter is localized with respect to a location of the Bluetooth-enabled device using a signal model connecting samples of the CTE signal with an unknown angle-of-arrival of the CTE signal received at specific times, an unknown ToF conditioned on the initial ToF data.

3. 发明公开

US20240210514A1 ENHANCING LOCATION ESTIMATE ACCURACY 审中-公开
公开(公告)号：US20240210514A1
公开(公告)日：2024-06-27
申请号：US18555661
申请日：2022-04-13
申请人： Lenovo (Singapore) Pte. Ltd.
发明人： Robin Thomas , Karthikeyan Ganesan
IPC分类号： G01S5/02 , G01S5/00 , H04W64/00
CPC分类号： G01S5/021 , G01S5/0036 , G01S5/0218 , G01S5/0236 , H04W64/00
摘要： Apparatuses, methods, and systems are disclosed for enhancing location estimate accuracy. One method includes transmitting known location information of the device to a location server for the location server to determine correction information. The known location information includes location determination information, 3D location information, a height estimate, and/or a velocity estimate. The method includes receiving assistance data from the location server for performing reference measurements. The method includes receiving a request from the location server to perform the reference measurements based on a configured signaling protocol defined by the location server. The method includes transmitting the reference measurements to the location server based on the configured signaling protocol defined by the location server. The method includes receiving the correction information derived from the location server to enhance a location estimate accuracy for UE based positioning.

4. 发明公开

US20240192305A1 METHOD FOR DETERMINING A CONFIDENCE VALUE FOR AN ESTIMATED PARAMETER IN A WIRELESS POSITIONING SYSTEM AND RADIO RECEIVER DEVICE 审中-公开
公开(公告)号：US20240192305A1
公开(公告)日：2024-06-13
申请号：US18537428
申请日：2023-12-12
申请人： u-blox AG
发明人： Matthias Mahlig , Mohamad Abou Nasa , Peter Karlsson , Stelios Papaharalabos , Yannis Arapakis
IPC分类号： G01S5/02
CPC分类号： G01S5/0244 , G01S5/0218
摘要： An example method for determining a confidence value for an estimated parameter in a wireless positioning system includes receiving a signal comprising a number of signal samples, pre-processing each sample of the number of signal samples and therefrom providing a number of pre-processed samples, and calculating a first confidence value, The method further includes performing a pre-estimation of a parameter and providing a pre-estimated parameter, calculating a second confidence value for the pre-estimated parameter, performing a final estimation of the parameter and providing the estimated parameter, and calculating a third confidence value for the estimated parameter. The method includes combining at least two of the first, second and third confidence value and providing the confidence value for the estimated parameter. The confidence value is configured to be used in determining a position of at least one mobile device based on the estimated parameter.

5. 发明公开

US20240094328A1 METHOD AND APPARATUS FOR SMART ANCHOR-BASED POSITION ESTIMATION 审中-公开
公开(公告)号：US20240094328A1
公开(公告)日：2024-03-21
申请号：US18110481
申请日：2023-02-16
申请人： HYUNDAI MOTOR COMPANY , KIA CORPORATION
发明人： Jung Hun Choi , Dong Hyun Ha , Jae Wung Jung
IPC分类号： G01S5/14 , G01S5/02
CPC分类号： G01S5/145 , G01S5/0218 , G01S5/0242 , G01S2205/01
摘要： A smart anchor-based position estimation method and apparatus are disclosed. The position estimation method, performed by a position estimation apparatus, includes: identifying one or more line-of-sight (LOS) anchors from among one or more anchors mounted in a vehicle; selecting reference anchors from among the one or more LOS anchors; and estimating a position of a tag based on a number of the reference anchors. The reference anchors are selected based on a rate of formation of an ultra-wideband (UWB) link to the tag and accuracy of the estimated position of the tag.

6. 发明授权

US11914059B2 Enhanced fingerprint positioning 有权
公开(公告)号：US11914059B2
公开(公告)日：2024-02-27
申请号：US18257115
申请日：2020-12-15
申请人： Nokia Technologies Oy
发明人： Lei Niu
IPC分类号： G01S5/02
CPC分类号： G01S5/0218 , G01S5/02524
摘要： Embodiments of the present disclosure relate to fingerprint positioning in a wireless communication network. A method for establishing a positioning model comprises: obtaining, at a first device, a set of training data comprising historical measurements and historical regions, a historical measurement being associated with a second device, the second device being within one of the historical regions when the historical measurement is obtained; and training the positioning model by using the historical measurements as input of the positioning model and the historical regions as output of the positioning model to obtain parameter sets of Gaussian distributions of the positioning model, the Gaussian distributions indicating probabilities that a third device is positioned in the historical regions, and the parameter sets corresponding to respective non-light of sight levels of the historical regions. In this way, the positioning accuracy of fingerprint positioning method can be greatly improved.

7. 发明授权

US11791911B2 Method and apparatus for detecting signal propagation type 有权
公开(公告)号：US11791911B2
公开(公告)日：2023-10-17
申请号：US17268760
申请日：2018-08-14
申请人： Robert Bosch GmbH
发明人： Zhuoqi Zeng , Steven Liu , Huajun Yu , William Wang
IPC分类号： H04B17/21 , H04B17/27 , H04B17/391 , G01S5/02 , G01S5/00 , G01S13/02
CPC分类号： H04B17/21 , G01S5/011 , G01S5/0218 , G01S5/0294 , H04B17/27 , H04B17/391 , G01S13/0218
摘要： The present invention relates to a method and apparatus for detecting a signal propagation type, the method comprises: when a positioning base station of an ultra-wideband positioning system currently receives a pulse response from a positioning tag, computing an actual value of a specified feature of the received pulse response at least using the received pulse response; selecting, for the specified feature, a predictive model for predicting an adopted value of the specified feature at a future moment on the basis of an adopted value of the specified feature at a historical moment; using the predictive model selected for the specified feature to acquire an adopted value of the specified feature at a future moment, to serve as a predicted value of the specified feature of the received pulse response; and determining the current type of signal propagation between the positioning base station and positioning tag on the basis of the actual value and predicted value of the specified feature of the received pulse response and the predictive model selected for the specified feature. Using the method and apparatus, it is possible to detect the type of signal propagation between the positioning base station and positioning tag of the UWB positioning system.

8. 发明授权

US11785420B2 Angle-based positioning improvements in presence of non line of sight reference signals 有权
公开(公告)号：US11785420B2
公开(公告)日：2023-10-10
申请号：US17219637
申请日：2021-03-31
申请人： Apple Inc.
发明人： Seyed Ali Akbar Fakoorian , Wei Zeng , Dawei Zhang
IPC分类号： H04W4/02 , H04W4/029 , G01S5/08 , G01S5/02
CPC分类号： H04W4/029 , G01S5/0218 , G01S5/08
摘要： The present application relates to devices and components including apparatus, systems, and methods for enhanced angle-based positioning calculations.

9. 发明授权

US11722840B2 Angle of arrival (AOA) positioning method and system for positional finding and tracking objects using reduced attenuation RF technology 有权
公开(公告)号：US11722840B2
公开(公告)日：2023-08-08
申请号：US17342398
申请日：2021-06-08
申请人： Qualcomm Technologies, Inc.
发明人： Truman Prevatt , Michael John Buynak
IPC分类号： 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分类号： 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
摘要： 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.

10. 发明授权

US11689257B2 Frequency / time selective precoding for positioning reference signals 有权
公开(公告)号：US11689257B2
公开(公告)日：2023-06-27
申请号：US17353614
申请日：2021-06-21
申请人： QUALCOMM Incorporated
发明人： Alexandros Manolakos , Sony Akkarakaran , Joseph Binamira Soriaga , Tao Luo , John Edward Smee , Naga Bhushan
IPC分类号： H04B7/0456 , H04L5/00 , G01S5/02
CPC分类号： H04B7/0456 , G01S5/0218 , H04L5/0051 , H04L5/0082 , H04L5/0007
摘要： Disclosed are techniques for transmitting and processing reference signals for positioning estimation over a multipath multiple-input multiple-output (MIMO) channel. In aspects, a first node configures first and second reference signal resource sets for transmission of first and second sets of reference signals, wherein the first and second reference signal resource sets occur on first and second subbands of, and/or during first and second time intervals on, the MIMO channel, wherein each reference signal resource in the first and second reference signal resource sets utilize at least first and second MIMO precoders, and transmits, to a second node over the MIMO channel, the first and second sets of reference signals, wherein the first node transmits the first and second sets of reference signals to assist the second node to perform a positioning measurement based on joint processing of the first and second sets of reference signals.

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