By Deflected Or Repeated Signal Patents (Class 342/453)
  • Patent number: 12119901
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a network entity may obtain a singular value decomposition (SVD) precoding vector that is based at least in part on backscatter associated with a reference signal transmitted by the network entity. The network entity may apply the SVD precoding vector to an output signal. The network entity may transmit the output signal based at least in part on a set of antennas. Numerous other aspects are described.
    Type: Grant
    Filed: January 31, 2023
    Date of Patent: October 15, 2024
    Assignee: QUALCOMM Incorporated
    Inventors: Jing Sun, Raviteja Patchava, Xiaoxia Zhang
  • Patent number: 12066534
    Abstract: A method for determining spin of a projectile comprising generating an electromagnetic radar signal and transmitting the electromagnetic radar signal towards a projectile. Receiving a reflected electromagnetic radar signal from the projectile. Identifying a component of the reflected electromagnetic radar signal, and performing an autocorrelation process on the reflected electromagnetic radar signal using the component to generate an estimate of a spin of the projectile as a function of the autocorrelation process.
    Type: Grant
    Filed: May 25, 2022
    Date of Patent: August 20, 2024
    Assignee: APPLIED CONCEPTS, INC.
    Inventors: Jared Smothermon, James K. McCoy, Robert S. Gammenthaler
  • Patent number: 12063571
    Abstract: A positioning method relating to the field of communications technologies includes: a positioning device obtains a positioning parameter set and sends the positioning parameter set to a positioning center, where the positioning parameter set includes multipath information of a to-be-positioned terminal, and the multipath information is used to position the to-be-positioned terminal. The positioning center may position the to-be-positioned terminal by using the multipath information of the to-be-positioned terminal.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: August 13, 2024
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Qinxin Liu, Yingjie Yu
  • Patent number: 12041571
    Abstract: There is provided a method comprising receiving at least one measured signal characteristic from a user equipment, the user equipment being located at a user equipment location; comparing the at least one measured signal characteristic to at least one of a plurality of signal characteristics, each signal characteristic being associated with a respective measurement point; and determining, based on the comparing, a probability that the user equipment location is a first location.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: July 16, 2024
    Assignee: NOKIA SOLUTIONS AND NETWORKS OY
    Inventors: Jun Wang, Gang Shen, Liuhai Li, Liang Chen, Kan Lin, Zhihua Wu, Chaojun Xu, Jiexing Gao
  • Patent number: 12013213
    Abstract: A method and a system are provided for detecting manned and unmanned vehicles intruding into a restricted area, including: operating a first vehicle and measuring multiple frequencies of electromagnetic radiation emitted from the first vehicle; determining, from the multiple frequencies of emitted electromagnetic radiation, one or more identifying electromagnetic radiation characteristics; and configuring a radio receiver to detect the one or more identifying electromagnetic radiation characteristics emitted by a second vehicle at a distance of a detection range.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: June 18, 2024
    Assignee: SharkSense Ltd.
    Inventor: Leor Hardy
  • Patent number: 11799509
    Abstract: Embodiments of apparatus and method for calibration of a transceiver (including a transmitter and a receiver) are disclosed. In an example, a method for transmitter quadrature (or IQ) mismatch and receiver quadrature (or IQ) mismatch calibration can include controlling the transmitter to send a first transmit signal to the receiver with a delay between an output of the transmitter and an input of the receiver. The method can also include controlling the transmitter to send a second transmit signal to the receiver without the delay between the output of the transmitter and the input of the receiver. The method can further include obtaining compensation coefficients of the transceiver based on the sending of the first transmit signal and the sending of the second transmit signal.
    Type: Grant
    Filed: September 8, 2022
    Date of Patent: October 24, 2023
    Assignee: ZEKU TECHNOLOGY (SHANGHAI) CORP., LTD.
    Inventors: Bo Wang, Wei Zhuo
  • Patent number: 11747429
    Abstract: A method and network node for differential matched summed antenna positioning are disclosed. According to one aspect, a method includes summing sequential uplink data signals at each of a plurality of antennas of the network node to produce a plurality of antenna signal sums. The method also includes selecting one of the antenna signal sums to be used as a reference antenna signal sum. A channel impulse response is determined for each of a plurality of other antennas by cross correlating the reference antenna signal sum with the others of the plurality of antenna signal sums. The method further includes estimating a time difference of arrival from the channel impulse responses of the plurality of antennas, and estimating an error of the estimated time difference of arrival of each antenna. A position of a wireless device is determined using the estimated time differences of arrival.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: September 5, 2023
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Roland Smith, Miguel Berg, Satyam Dwivedi, Mike Skof
  • Patent number: 11689264
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first wireless communication device may determine, based at least in part on a first model, an estimated position of the first wireless communication device. The first wireless communication device may determine, based at least in part on a second model, an estimated direction for transmission of a packet to a second wireless communication device. The first wireless communication device may determine, based at least in part on a third model, an estimated transmit power for transmission of the packet. The first wireless communication device may determine, using a neural network, a narrow beam based at least in part on the estimated position, the estimated direction, and the estimated transmit power. The first wireless communication device may transmit the packet on the narrow beam to the second wireless communication device. Numerous other aspects are provided.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: June 27, 2023
    Assignee: QUALCOMM INCORPORATED
    Inventors: Ravi Shankar Mehta, Girish Kakalwar, Dheeraj Sai V L Naga Dhulipalla
  • Patent number: 11668785
    Abstract: A method for locating a connected object within an LPWA network using a plurality of base stations. The connected object transmits packets in RF frequency channels forming a virtual band being scanned once in the uplink direction and once in the downlink direction in a symmetrical manner. The base stations receiving the signal perform an RF to intermediate frequency translation and then a baseband translation in digital mode. The phase differences of arrival for each pair of base stations and the attenuation coefficients of each transmission channel between the connected object and each base station enable a composite transfer function to be constructed for each pair of base stations. The peaks of highest amplitude are detected in the corresponding impulse responses and the distance differences between the connected object and the different base stations are derived therefrom. The position of the object is then estimated by hyperbolic trilateration.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: June 6, 2023
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Florian Wolf, Sébastien De Rivaz, François Dehmas
  • Patent number: 11662421
    Abstract: Disclosed are techniques for wireless communication. In an aspect, a user equipment (UE) receives a positioning measurement request from a network entity, the positioning measurement request including a request to receive and/or to transmit a plurality of positioning reference signals from and/or to one or more transmission-reception points (TRPs) using the same receive (RX) beam and/or transmit (TX) beam, attempts, in response to reception of the positioning measurement request, to use the same RX beam and/or TX beam to receive and/or to transmit the plurality of positioning reference signals to perform positioning measurements, and provides a positioning measurement report to the network entity in response to the positioning measurement request, the positioning measurement report indicating using the same RX beam and/or the same TX beam and/or a degree of success with using the same RX beam and/or the same TX beam.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: May 30, 2023
    Assignee: QUALCOMM Incorporated
    Inventors: Alexandros Manolakos, Sony Akkarakaran
  • Patent number: 11630200
    Abstract: This disclosure describes systems, methods, and devices related to passive location measurement in wireless communications. A device may perform a ranging measurement with a first device and a second device. The device may identify a first uplink (UL) location measurement report (LMR) received from the first device. The device may identify a second UL LMR received from the second device. The device may cause to send a first broadcast LMR comprising information associated with the ranging determination of the first device and the second device. The device may cause to send a second broadcast LMR comprising the measurement information carried in the first UL LMR and the second UL LMR.
    Type: Grant
    Filed: May 9, 2022
    Date of Patent: April 18, 2023
    Assignee: Intel Corporation
    Inventors: Feng Jiang, Qinghua Li, Jonathan Segev, Xiaogang Chen, Robert Stacey
  • Patent number: 11617071
    Abstract: An electronic apparatus is provided.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: March 28, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Mijo Kang, Jongjin Ko, Yongwook Kim, Kyungah Chang, Sangjin Jeong
  • Patent number: 11595909
    Abstract: A method for uplink (UL) power control of a User Equipment (UE) in a wireless communication system according to one embodiment of the present invention comprises receiving a Downlink (DL) Reference Signal (RS); measuring DL path-loss by using the DL RS; determining transmission power for an UL channel by using the measured path-loss; and transmitting the UL channel, wherein the DL RS used for determining the transmission power for the UL channel is determined based on configuration information indicated by a base station.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: February 28, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Jonghyun Park, Hanbyul Seo, Kijun Kim, Jiwon Kang
  • Patent number: 11558715
    Abstract: The present invention relates to a method and apparatus for detecting a signal propagation type. The method comprises: calculating a similarity value of a currently received pulse response and a reference pulse response when a certain positioning base station of a UWB positioning system currently receives a pulse response from a certain positioning tag, the similarity value indicating the degree of similarity between the currently received pulse response and the reference pulse response, wherein the reference pulse response is a pulse response previously received by the positioning base station from the positioning tag; and determining the current type of signal propagation between the positioning base station and the positioning tag on the basis of the similarity value. The method and apparatus can detect the type of signal propagation between the positioning base station and positioning tag of the UWB positioning system.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: January 17, 2023
    Assignee: Robert Bosch GmbH
    Inventors: Zhuoqi Zeng, Steven Liu, Huajun Yu, Wei Wang
  • Patent number: 11550021
    Abstract: A method of localizing a near vertical incidence skywave emitter. At a first site a first elevation angle of an incoming signal issued by the near vertical incidence skywave emitter is measured. At a second site a second elevation angle of an incoming signal issued by the near vertical incidence skywave emitter is measured, wherein the second site is different to the first site. The first elevation angle measured and the second elevation angle measured are converted into a first length and a second length respectively, which represent the distance between the respective site and the estimated location of the near vertical incidence skywave emitter. The respective length is processed, thereby generating an estimated area of the near vertical incidence skywave emitter for each of the different sites such that at least two different estimated areas are generated.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: January 10, 2023
    Assignee: Rohde & Schwarz GmbH & Co. KG
    Inventor: Paul Denisowski
  • Patent number: 11483037
    Abstract: Methods, systems, and devices for wireless communications are described. A channel engineering device may receive control signaling that triggers the channel engineering device to perform one or more angle of arrival (AoA) measurements on one or more reference signals and transmit an AoA measurement report based on the AoA measurements. The base station may process the AoA measurement report and send a control message that configures one or more settings at the channel engineering device. The base station may determine a beam shaping configuration that modifies the one or more settings at the channel engineering device to reflect, focus, refract, or filter signal energy of a transmission by the base station toward a user equipment (UE), a transmission by the UE toward the base station, or both. The base station and one or more UEs may communicate using the channel engineering device based on the beam shaping configuration.
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: October 25, 2022
    Assignee: QUALCOMM incorporated
    Inventors: Yehonatan Dallal, Ran Berliner, Shay Landis
  • Patent number: 11454721
    Abstract: An object monitoring system includes means for calculating an arrangement of an external object in a target space based on a distance measurement value of the external object, and estimating a shift amount of the distance measurement value caused by the external object in accordance with the calculated arrangement, and means for correcting, based on the estimated shift amount, determination of whether or not a monitored object is present in a monitoring area set in the target space.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: September 27, 2022
    Assignee: FANUC CORPORATION
    Inventors: Minoru Nakamura, Atsushi Watanabe, Yuuki Takahashi
  • Patent number: 11385341
    Abstract: Methods and systems for detecting and passively monitoring communication of an unmanned aerial vehicle are disclosed. In an example method, a radio frequency spectrum is scanned to detect one or more radio signals transmitted within a pre-defined area. A modulated radio signal of interest from the one or more radio signals is determined. The radio signal of interest is associated with a drone. The radio signal of interest is captured. The radio signal of interest is demodulated to determine coded sensor data carried by the radio signal of interest. The sensor data is determined by the drone. The coded sensor data is decoded to determine a characteristic of the sensor data. An alert is generated based on the characteristic of the sensor data.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: July 12, 2022
    Assignee: CACI, Inc.—Federal
    Inventors: David Michael Massarik, Nathan D. Flower
  • Patent number: 11368813
    Abstract: A location engine uses the empirical measurements made by a scouting wireless terminal (i) to discover the existence of a reference radio within a geographic region; (ii) to generate an estimate of the location of the newly-discovered reference radio, and (iii) to generate an estimate of the transmission power of the downlink control channel radio signal transmitted by the newly-discovered reference radio. The location engine then uses: (i) the estimate of the location of the newly-discovered reference radio, and (ii) the estimate of the transmission power of the downlink control channel radio signal transmitted by the newly-discovered reference radio, and (iii) measurements, made by a user wireless terminal, of the power of each of the downlink control channel radio signals transmitted by each of the reference radios to generate an estimate of the location of the user wireless terminal.
    Type: Grant
    Filed: July 26, 2020
    Date of Patent: June 21, 2022
    Assignee: Polaris Wireless, Inc.
    Inventor: Jonathan Shiao-En Lu
  • Patent number: 11233560
    Abstract: An air-to-ground communications system includes at least one base station to be positioned on the ground and including a ground-based transceiver, a phased array antenna coupled to the ground-based transceiver, and a beamforming network coupled to the ground-based transceiver. The ground-based transceiver is configured to provide data traffic and control information to an aircraft. The beamforming network is configured to simultaneously generate at least one narrow antenna beam for the data traffic and at least one wide beam for the control information.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: January 25, 2022
    Assignee: SmartSky Networks, LLC
    Inventors: Christopher D. Moffatt, Kevin Carl Gustke
  • Patent number: 11181629
    Abstract: A hand-held device for detecting an object is provided. The hand-held device comprising: a communication device including a plurality of antennas; a processor in communication with the communication device; a memory in communication with the communication device and the processor, the memory comprising computer-executable instructions that, when executed by the processor, cause the processor to perform operations. The operations comprising: receiving at least one radio emission using the plurality of antennas; estimating a reference emission in response to the at least one radio emission; estimating an environment emission in response to the at least one radio emission; determining a pattern of interest in response to at least one of the reference emission and the environment emission; and identifying an object in response to the pattern of interest; wherein the hand-held device is sized to fit in a human hand.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: November 23, 2021
    Assignee: CARRIER CORPORATION
    Inventor: Christopher Coy Fuller
  • Patent number: 11181628
    Abstract: Examples provide accurate localization of an object by using a network device. Examples include determining distances between transmitter and receiver antennas of a network device, transmitting, by the transmitter antenna, a wireless signal having a transmit power, receiving, by the receiver antennas, a reflected signal that reflects off of an object, receiving, by the receiver antennas, a static signal that does not reflect off of the object, and processing the static and reflected signals and determining the location of the object, based on the distances between the transmitter and the receiver antennas and the transmit power.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: November 23, 2021
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: Sangki Yun, Kyu-Han Kim, Raghav Hampapur Venkatnarayan, Christina Vlachou
  • Patent number: 11064037
    Abstract: Disposing individual elements within a swarm by receiving location data for swarm elements, receiving network traffic data for the swarm elements, determining new location data for a swarm element according to the location data and network traffic data of the swarm element, and sending the new location data to the swarm element.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: July 13, 2021
    Assignee: International Business Machines Corporation
    Inventors: Anand Singh, Young Hyun Oh, Xianqing Yu, Hamed Mohammadbagherpoor, Andrew John Rindos, III
  • Patent number: 11022407
    Abstract: An unmanned aerial vehicle defense system may include a sensor network having a plurality of radio receivers that are operable to detect a radio signal broadcast by the unmanned aerial vehicle. A control system operatively associated with the sensor network includes a processing system to identify the unmanned aerial vehicle detected by the sensor system. The control system also includes a countermeasures system that develops a countermeasure based on the identity of the unmanned aerial vehicle. A transmitter system operatively associated with the control system transmits the developed countermeasure to the unmanned aerial vehicle. The unmanned aerial vehicle subsequently operates in accordance with the developed countermeasure.
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: June 1, 2021
    Assignee: Tradewinds Technology, LLC
    Inventors: Peter David Whitmarsh, Shana Whitmarsh
  • Patent number: 10942264
    Abstract: Some disclosed devices include a plurality of transmitter/receiver pairs configured for transmitting and receiving millimeter wave (mmWave) radar and a control system configured for obtaining, via a first transmitter/receiver pair, a first round-trip time for a first reflection from an object proximate the apparatus. The control system may be configured for obtaining, via a second transmitter/receiver pair, a second round-trip time for a second reflection from the object and for determining a position of the object based, at least in part, on the first round-trip time and the second round-trip time.
    Type: Grant
    Filed: October 8, 2018
    Date of Patent: March 9, 2021
    Assignee: QUALCOMM Incorporated
    Inventors: Mustafa Emin Sahin, Roberto Rimini
  • Patent number: 10805901
    Abstract: A processing system collects data points, wherein each data point indicates a location of user equipment in a telecommunication service provider network at a point in time, generates, for a first data point, a set of features over a plurality of time windows, wherein the set includes time series features, estimates an importance of each feature, wherein the importance indicates an accuracy with which the feature allows for estimation of an unseen location of the user equipment, wherein the unseen location is a location that is not identified in the plurality of data points, selects a threshold number of features from the set, wherein the threshold number of features have a greatest importance relative to all features in the set, generates a plurality of predictions of the unseen location, using the threshold number of features, aggregates the plurality of predictions, and estimates the unseen location based on the aggregating.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: October 13, 2020
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Rudolph Mappus, Vijayan Nagarajan, Abhishek Mishra
  • Patent number: 10788587
    Abstract: The present invention relates to a method for determining a synthetic aperture of a synthetic aperture radar, SAR, system using information from a global navigation satellite system, GNSS, which includes a plurality of satellites each transmitting a radio frequency signal comprising a unique pseudo random number, PRN.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: September 29, 2020
    Assignee: SAAB AB
    Inventors: Patrik Dammert, Hans Hellsten
  • Patent number: 10728709
    Abstract: A method of passive asset tracking includes associating unique identifying information of a Wi-Fi access point with a moveable asset, receiving unique identifying information and information relating to a location of the Wi-Fi access point encountered by one or more wireless devices and storing at least some of the information received, and tracking a location of the associated asset by the location of the Wi-Fi access point.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: July 28, 2020
    Assignee: TROVERLO, LLC
    Inventor: Cody William Catalena
  • Patent number: 10705179
    Abstract: Within several applications the ability to localize an individual within an environment is beneficial. However, existing indoor localization approaches depend upon at least one of two assumptions. First, the subject(s) localization is achieved by localizing a wireless device carried by the subject and second, wireless fingerprints are established for the localization via a site survey being performed before a system can actually localize the subject(s). However, in many application scenarios, neither of the above two assumptions are true, namely that the user is not carrying an active wireless device or that the site has been surveyed. Accordingly, embodiments of the invention provide for subject localization by a dynamic calibration of wireless signals between a receiver and a transmitter, where neither the receiver or transmitter are associated with an electronic device carried or worn by the subject.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: July 7, 2020
    Assignee: TANDEMLAUNCH
    Inventors: Yi Gao, Michel Allegue Martinez, Xi Chen, Xue Liu
  • Patent number: 10649061
    Abstract: A method is described for determining a position of a user device in relation to a vehicle, the vehicle including first and second receivers. The method includes transmitting a positioning signal by the transmitter of the user device, receiving the positioning signal by the first receiver and by the second receiver arranged at a distance from the first receiver, in at least one of the first and second receivers, receiving and identifying a reflected positioning signal reflected at a ground surface before reaching the first and second receivers, performing time synchronization between the transmitter and the first and second receiver, determining a position of the user device in a three-dimensional coordinate system based on a time-of-flight of the positioning signal received in the first and second receivers and on a time-of-flight of at least one reflected positioning signal received by at least one of the first and second receivers.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: May 12, 2020
    Assignee: VOLVO CAR CORPORATION
    Inventor: Ulf Bjorkengren
  • Patent number: 10575276
    Abstract: A processing system collects data points, wherein each data point indicates a location of user equipment in a telecommunication service provider network at a point in time, generates, for a first data point, a set of features over a plurality of time windows, wherein the set includes time series features, estimates an importance of each feature, wherein the importance indicates an accuracy with which the feature allows for estimation of an unseen location of the user equipment, wherein the unseen location is a location that is not identified in the plurality of data points, selects a threshold number of features from the set, wherein the threshold number of features have a greatest importance relative to all features in the set, generates a plurality of predictions of the unseen location, using the threshold number of features, aggregates the plurality of predictions, and estimates the unseen location based on the aggregating.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: February 25, 2020
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Rudolph Mappus, Vijayan Nagarajan, Abhishek Mishra
  • Patent number: 10309784
    Abstract: In one embodiment, a method of tracking multiple objects with a probabilistic hypothesis density filter is provided. The method includes generating a first intensity by combining a first one or more measurements, wherein a first set of track IDs associated with the first intensity includes track IDs corresponding to respective measurements in the first one or more measurements. A second intensity is generated by combining a second one or more measurements, wherein a second set of track IDs associated with the second intensity includes track IDs corresponding to respective measurements in the second one or more measurements. The first set of track IDs is compared to the second set of track IDs, and the first intensity is selectively merged with the second intensity based on whether any track IDs in the first set of track IDs match any track IDs in the second set of track IDs.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: June 4, 2019
    Assignee: Honeywell International Inc.
    Inventors: Vibhor L. Bageshwar, Michael Ray Elgersma, Eric A. Euteneuer
  • Patent number: 10295660
    Abstract: Techniques are described for aligning optical components within a LIDAR assembly. The techniques may be performed to align the optical components during manufacturing or assembly of the LIDAR assembly. For example, a first optical element (e.g., one of a light source or light sensor) may be installed in the LIDAR assembly. An optimal alignment for a second optical element (e.g., the other of the light source or light sensor) may be determined and the second optical element may be installed at the optimal alignment. The optimal alignment for the second optical element may be determined based on detected signals, for example, which may correspond to an alignment resulting in a strongest return signal, highest quality return signal, and/or minimal interference. Additionally, or alternatively, techniques may be used to align optical components at runtime by using an actuator to move one or more components of the LIDAR assembly during operation.
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: May 21, 2019
    Assignee: Panosense Inc.
    Inventors: Ryan McMichael, Adam Berger, Brian Pilnick, Denis Nikitin, Brian Alexander Pesch
  • Patent number: 10291348
    Abstract: A system includes a disabling device with a radio circuit configured to disrupt communication having a predetermined protocol; and a movable device including a radio circuit to receive the communication, wherein the radio circuit sends the protocol to disable the movable device.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: May 14, 2019
    Inventor: Bao Tran
  • Patent number: 10175339
    Abstract: The invention relates to a method and to a mobile receiver for determining a position of a mobile receiver RX, which moves in an unknown but at least quasi-stationary environment, on the basis of signals s(kT) which are emitted by a transmitter TX positioned at an unknown position and immobile in the environment, wherein the receiver RX receives as reception signal q ? ( k , ? ) = ? i = 0 N ? ( k ) - 1 ? S i ? ( ? ) a signal s(kT) which is emitted by the transmitter TX and which is transmitted via N(k) transmission paths as signal components si(?), where k:=time step, ?:=time delay, and i=0, . . .
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: January 8, 2019
    Assignee: Deutsches Zentrum für Luft-und Raumfahrt e.V.
    Inventors: Christian Gentner, Thomas Jost
  • Patent number: 10031235
    Abstract: An object is to make it possible to determine and output an accurate current position reliably in a short time and at a low cost, even in environments where signals from positioning satellites are complicatedly affected by structures, geographical features, etc. Therefore, the present invention provides a position detection device comprising: a receiving unit receiving signals from a positioning satellite, and calculating a pseudo range to the positioning satellite based on the signals, and a positioning unit calculating an initial position based on the pseudo range calculated by the receiving unit, calculating the pseudo range to the positioning satellite at plural positions around the initial position using a three-dimensional map data and a ray-tracing method, selecting candidate positions from the plural positions based on the pseudo range, and deciding a current position based on the candidate positions within such a short distance from the initial position that predetermined conditions are satisfied.
    Type: Grant
    Filed: May 14, 2014
    Date of Patent: July 24, 2018
    Assignee: THE FOUNDATION FOR THE PROMOTION OF INDUSTRIAL SCIENCE
    Inventors: Shunsuke Kamijo, Shunsuke Miura
  • Patent number: 10026323
    Abstract: An unmanned aerial system (UAS) position reporting system may include an air traffic control reporting system (ATC-RS) coupled with a ground control station (GCS) of a UAS and at least one remote terminal. The ATC-RS may include an automatic dependent surveillance broadcast (ADS-B) and traffic information services broadcast (TIS-B) transceiver and one or more telecommunications modems. The ATC-RS may receive position data of at least one UAS in an airspace from the GCS and the at least one remote terminal and selectively communicate the position of the at least one UAS in the airspace to a civilian air traffic control center (ATC), to a military command and control (C2) communication center, or to both through the ADS-B and TIS-B transceiver. The ATC-RS may display the position of the at least one UAS in the airspace on a display screen coupled with the ATC-RS.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: July 17, 2018
    Assignee: Kutta Technologies, Inc.
    Inventors: Douglas V. Limbaugh, David H. Barnhard, Thomas H. Rychener
  • Patent number: 9841439
    Abstract: An electromagnetic wave identification device includes a detection section for detecting an electromagnetic wave signal which is output from an antenna for detecting electromagnetic waves and whose level is equal to or greater than a predetermined level; a measurement and record section for recording and storing the detected electromagnetic wave waveform data; and an analysis and evaluation section for receiving the recorded and stored electromagnetic wave waveform data, normalizing the electromagnetic wave waveform data by an maximum amplitude value to obtain normalized data, and determining whether or not the received electromagnetic wave is a direct wave by reference to the normalized data.
    Type: Grant
    Filed: August 15, 2013
    Date of Patent: December 12, 2017
    Assignee: KYUSHU INSTITUTE OF TECHNOLOGY
    Inventors: Shinya Ohtsuka, Toshitake Umegane, Hiroki Shibata
  • Patent number: 9835709
    Abstract: A system to provide privacy from third party vehicles includes a radio circuit configured to send a privacy indication in a beacon frame; and a movable device including a radio circuit to receive the beacon frame and a motor actuator controlled to comply with the privacy indication.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: December 5, 2017
    Inventor: Bao Tran
  • Patent number: 9829560
    Abstract: Some embodiments use scanning devices to characterize radio signals received at a number of locations within a geographical area of interest. The signal characteristics along with the location information associated with the characteristics are stored in a centralized reference database. A mobile device characterizes signals it receives at a certain location and compares the characteristics with the signal characteristics stored in the reference database to obtain accurate location information of the certain location.
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: November 28, 2017
    Assignee: GOLBA LLC
    Inventor: Mehran Moshfeghi
  • Patent number: 9766339
    Abstract: A global positioning system (GPS) and Doppler augmentation (GDAUG) end receiver (GDER) can include a GDAUG module. The GDAUG module can generate a GDER position using a time of flight (TOF) of a transponded GPS signal and a Doppler shift in a GDAUG satellite (GSAT) signal. The transponded GPS signal sent from a GSAT to the GDER can include a frequency shifted copy of a GPS signal from a GPS satellite to the GSAT. The GSAT signal can include a signal generated by the GSAT to the GDER.
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: September 19, 2017
    Assignee: Raytheon Company
    Inventors: Ian S. Robinson, Mark R. Skidmore
  • Patent number: 9755797
    Abstract: A method of accurate 3D positioning with reduced cost is proposed. A user equipment (UE) receives a plurality of positioning reference signals (PRSs) from a plurality of base stations. The plurality of base stations includes a serving base station and two neighboring base stations. The UE estimates a plurality of line-of-sight (LOS) paths and corresponding indexes of the PRSs for time of arrival (TOA) and time difference of arrival (TDOA) measurements. The UE then estimates an elevation angle of the UE based on the estimated LOS paths of the PRS from the serving base station. Finally, the system (either UE or network, depending on where the coordinates are) can calculate the UE position based on the TDOA measurements and the elevation angle.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: September 5, 2017
    Assignee: MEDIATEK SINGAPORE PTE. LTD.
    Inventors: Wen-Rong Wu, Yun-Kai Wang
  • Patent number: 9733352
    Abstract: According to an embodiment, positioning system includes transmitter apparatus transmits radio wave and receiver apparatus receives target echo. Transmitter apparatus comprises first receiver and transmitter. First receiver receives GPS signal and outputs reference signal. Transmitter transmits radio wave at time interval based on reference signal. The receiver apparatus includes second receiver, detector and first and second calculators. Second receiver receives GPS signal and outputs time information. Detector receives target echo and outputs reception signal added received time information. First calculator calculates Doppler frequency based on reception frequency and transmission frequency. Second calculator calculates time difference of echo based on Doppler frequency. Detector sets time filter to receive next pulse based on time difference and time information of reception signal.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: August 15, 2017
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventor: Hirokazu Shimomaki
  • Patent number: 9710971
    Abstract: An information processing device includes: a memory; and a processor coupled to the memory and configured to: calculate, based on a figure of a reference object recognized from a first input image, position information with respect to the reference object, the positional information indicating an image-capturing position of the first input image, and generate setting information in which display data is associated with the position information with respect to the reference object as a display position of the display data, the display data being displayed based on the setting information when the reference object is recognized from a second input image different from the first input image.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: July 18, 2017
    Assignee: FUJITSU LIMITED
    Inventor: Ryouta Komatsu
  • Patent number: 9654449
    Abstract: The invention includes methods for authenticating access between devices when the devices are within a geospatial boundary comprising the first step of keeping track of the physical position of the devices using both low and, or high fidelity geospatial positioning techniques. Next, a first device determines whether any nearby mobile devices have entered the geospatial boundary. Next, the first device determines if any of the mobile devices are peers eligible for cryptographic authentication. After the first device authenticates that the other device within the geospatial boundary is a trusted peer, the devices may perform various data and, or dynamic policy operations.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: May 16, 2017
    Assignee: SAIFE, Inc.
    Inventors: Ty B Lindteigen, James Chester Jones
  • Patent number: 9595198
    Abstract: An unmanned aerial system (UAS) position reporting system may include an air traffic control reporting system (ATC-RS) coupled with a ground control station (GCS) of a UAS and at least one network-connected remote terminal. The ATC-RS may include an automatic dependent surveillance broadcast (ADS-B) and traffic information services broadcast (TIS-B) transceiver and one or more telecommunications modems. The ATC-RS may receive position data of at least one UAS in an airspace from the GCS and the at least one network-connected remote terminal and selectively communicate the position of the at least one UAS in the airspace to a civilian air traffic control center (ATC), to a military command and control (C2) communication center, or to both through the ADS-B and TIS-B transceiver. The ATC-RS may display the position of the at least one UAS in the airspace on a display screen coupled with the ATC-RS.
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: March 14, 2017
    Assignee: Kutta Technologies, Inc.
    Inventors: Douglas V. Limbaugh, David H. Barnhard, Thomas H. Rychener
  • Patent number: 9562774
    Abstract: A guidance device includes: a storing unit that stores information regarding content, a reproduction time of the content, and a providing range different from each content; a calculation unit that acquires a current position of a user and calculates a movement status; a selection unit that estimates, based on the movement status of the user calculated by the calculation unit, a position of the user at a time when the reproduction time of the content has passed, and selects from the storing unit content whose content providing range includes the estimated position.
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: February 7, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Yuhei Shimada, Manabu Ueda, Yuichi Ueno
  • Patent number: 9439041
    Abstract: In a system facilitating the calibration of a map-point grid for an indoor location determination, the grid includes several map points, each having a radio frequency (RF) data fingerprint being associated therewith. At least one of: (i) RF signal data from several RF sources, (ii) a user specified location indication, and (ii) tracking data from a sensor, the tracking data indicating a user's movement relative to a base map point, are received. The map-point grid is updated based on, at least in part, at least one of (i) adjusted RF data, the received RF data being adjusted using systematic analysis thereof, (ii) the tracking data, and (iii) the location indication. A user's location may be determined based on the fingerprints associated with the map-point grid, and sensor data.
    Type: Grant
    Filed: July 1, 2013
    Date of Patent: September 6, 2016
    Assignee: Lighthouse Signal Systems, LLC
    Inventors: Parviz Parvizi, Mohammad Heidari
  • Patent number: 9423507
    Abstract: The present invention relates generally to methods and apparatuses for estimating and correcting for multipath in GNSS navigation systems. According to some aspects, the invention operates in situations where position and estimated position error are reasonably stable so as to detect when large multipath errors are present with confidence. After detection, the slowly varying biases from multipath or other un-modeled sources can be modeled separately from the navigation state. The measurements are kept in the solution without biasing the navigation state thereby ignoring the long-term biases for use over short-term periods with minimized pseudorange error when necessary.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: August 23, 2016
    Assignee: CSR TECHNOLOGY INC.
    Inventors: Xiangdong Lin, David Allan Tuck, Mangesh Chansarkar
  • Patent number: 9389301
    Abstract: Various embodiments provide a method and apparatus for determining tag location by using one or more estimated channel responses (CR) that characterize the wireless channel between the tag and one or more respective anchors. In particular, a tracking server in communication with the anchor(s) determines the tag's location based on a comparison of the estimated CR(s) with a set of stored CRs associated with the anchor(s).
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: July 12, 2016
    Assignee: Alcatel Lucent
    Inventors: Howard Huang, Dragan Samardzija, Irwin Kennedy, Stefan Valentin, Dmitry Chizhik, Gregory Wright, Sarabjot Singh