Patents by Inventor IGAL BILIK

IGAL BILIK has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11320510
    Abstract: Embodiments include methods, systems and computer readable storage medium for a method for resolving an angle of arrival (AOA) in an antennae array is disclosed. The method includes receiving, from an antenna array of a radar system, antennae data. The method further includes receiving, by the radar system, an iteration counter value. The method further includes calculating, by the radar system, an elevation estimation and an azimuth estimation based on the antennae data and iteration counter value. The method further includes generating, by the radar system, a plurality of hypotheses based on the elevation estimation and azimuth estimation. The method further includes selecting, by the radar system, a hypothesis from the plurality of hypotheses. The method further includes storing, by the radar system, the selected hypothesis.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: May 3, 2022
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Moshe Levy-Israel, Adi Panzer, Igal Bilik
  • Publication number: 20220128685
    Abstract: Methods and systems for estimating vehicle velocity based on radar data. The methods and systems include receiving a set of range-Doppler-beam, RDB, maps from radars located on a vehicle and performing an optimization process that adjusts an estimate of vehicle velocity so as to optimize a correlation score. The optimization process includes iteratively: spatially registering the set of RDB maps based on the current estimate of vehicle velocity, determining the correlation score based on the spatially registered set of RDB maps, and outputting an optimized estimate of vehicle velocity from the optimization process when the correlation score has been optimized. The methods and systems control the vehicle based at least in part on the optimized estimate of vehicle velocity.
    Type: Application
    Filed: October 28, 2020
    Publication date: April 28, 2022
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Oren Longman, Igal Bilik
  • Patent number: 11313948
    Abstract: A radar system may include a transmitter, a receiver, and a controller. The controller may calculate a received beam response spectrum based on the received reflected radar signal, detect a first maximum value of the received beam response spectrum, identify an angle corresponding to the first maximum value as a first target angle, obtain a threshold envelope based on the first maximum value and the first target angle, detect a second maximum value in a portion of the received beam response spectrum being greater than the threshold envelope, identify an angle corresponding to the second maximum value as a second target angle, and output the first target angle as the angle of arrival of the reflected radar signal from the first target and the second target angle as the angle of arrival of the reflected radar signal from the second target.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: April 26, 2022
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Oren Longman, Igal Bilik, Shahar Villeval
  • Patent number: 11309870
    Abstract: The present application relates to a method and apparatus for implementing a radar array including a gate bias source for providing a first variable voltage, a back gate well control for providing a second variable voltage, and a field effect transistor having a drain, a source, a gate and a back gate well control, the field effect transistor being further configured to couple an alternating current radar signal between the drain and the source and to adjust a phase of the alternating current radar in response to first variable voltage applied to the gate and the second variable voltage applied to the back gate well control.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: April 19, 2022
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Jongchang Kang, Ara Kurdoghlian, Mehran Mokhtari, Igal Bilik
  • Publication number: 20220107405
    Abstract: Systems and methods to perform sensor fusion with a depth imager and a radar system involve transmitting radio frequency (RF) energy from the radar system to a region and simultaneously emitting light to the region using a light source, Reflected light is received at a depth imager aligned with the light source, and RF reflections are received at the radar system. The reflected light is processed to obtain azimuth, elevation, range, variance in range, and reflectivity to each pixel that makes up the region. Processing the RF reflections provides azimuth, elevation, range, variance in range, velocity, and variance in velocity to a subset of the pixels representing a region of interest. Performing the sensor fusion includes using the azimuth, the elevation, the variance in range, and the reflectivity resulting from the depth imager and the range, the velocity, and the variance in velocity resulting from the radar system.
    Type: Application
    Filed: October 5, 2020
    Publication date: April 7, 2022
    Inventors: Emanuel Mordechai, Igal Bilik
  • Patent number: 11294030
    Abstract: A method and system include transmitting transmit signals from a radar system. The transmit signals are linear frequency modulated continuous wave signals. The method includes receiving reflected signals at the radar system based on reflection of at least at subset of the transmit signals by one or more objects. A range from the radar system associated with each of the reflected signals corresponds with a frequency of the reflected signal. The reflected signals are processed to identify and locate the one or more objects. Processing includes applying an adaptive range-selective gain control (ARSGC) to control a gain corresponding with each of the reflected signals based on the range associated with the reflected signal.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: April 5, 2022
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Oren Longman, Shahar Villeval, Igal Bilik
  • Patent number: 11294029
    Abstract: A radar system for use in a vehicle may include a radar transmitter structured to transmit a radar signal having a waveform; and a controller operably connected to the radar transmitter and configured to control the waveform. The waveform may be characterized by a waveform parameter. The controller may be configured to set a value of the waveform parameter based on a present operational state of the vehicle, thereby generating an updated waveform. The radar transmitter may be structured to transmit an updated radar signal having the updated waveform.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: April 5, 2022
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Oren Longman, Shahar Villeval, Igal Bilik
  • Patent number: 11249165
    Abstract: A hyperbolic waveform multiple-input multiple-output radar includes a generator circuit, multiple transmit circuits, a multiple-input multiple-output antenna, and multiple receive circuits. The generator circuit may be operable to generate a linear frequency modulated signal and a hyperbolic frequency modulated signal. The transmit circuits may be operable to generate multiple transmit signals by analog mixing the linear frequency modulated signal and the hyperbolic frequency modulated signal in response to a plurality of coding family parameters, wherein the transmit signals define an orthogonal family of waveforms. The multiple-input multiple-output antenna may be operable to transmit the transmit signals toward an object and receive multiple receive signals from the object. The receive circuits may be operable to determine multiple data signals in response to the receive signals, wherein the data signals are suitable to determine a distance between the multiple-input multiple-output antenna and the object.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: February 15, 2022
    Assignee: GM Global Technology Operations LLC
    Inventors: Gaston Solodky, Oren Longman, Shahar Villeval, Igal Bilik
  • Publication number: 20220037752
    Abstract: The present application relates to a method and apparatus for implementing a radar array including a gate bias source for providing a first variable voltage, a back gate well control for providing a second variable voltage, and a field effect transistor having a drain, a source, a gate and a back gate well control, the field effect transistor being further configured to couple an alternating current radar signal between the drain and the source and to adjust a phase of the alternating current radar in response to first variable voltage applied to the gate and the second variable voltage applied to the back gate well control.
    Type: Application
    Filed: July 31, 2020
    Publication date: February 3, 2022
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Jongchang Kang, Ara Kurdoghlian, Mehran Mokhtari, Igal Bilik
  • Patent number: 11221395
    Abstract: A radar system includes a transmit section to emit a transmit signal. A chip-based front-end portion of the transmit section increases a frequency of an input signal to produce an intermediate signal and amplifies signal strength of the intermediate signal to produce the transmit signal. The frequency of the input signal is in a range of 76 gigahertz (GHz) to 80 GHz. The radar system also includes a receive section to receive a reflected signal resulting from reflection of the transmit signal by an object.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: January 11, 2022
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Mehran Mokhtari, Ara Kurdoghlian, Jongchan Kang, Daniel Kuzmenko, Emilio A. Sovero, Robert G. Nagele, Hasan Sharifi, Igal Bilik
  • Patent number: 11205844
    Abstract: An on-vehicle radar system is described, and includes a phased array antenna including a plurality of transmit antennas, and a corresponding plurality of transmitters, wherein each of the transmitters is in communication with a respective one of the transmit antennas. A controller is operatively connected to each of the plurality of transmitters. The controller includes an instruction set that is executable to generate a plurality of Non-Linear Frequency Modulated (NLFM) radar signals corresponding to individual ones of the plurality of transmitters. Each of the NLFM radar signals that is generated for a respective one of the transmitters is determined based upon a desired beam steering angle and a position of the respective one of the transmit antennas of the phased array antenna.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: December 21, 2021
    Assignee: GM Global Technology Operations LLC
    Inventors: Oren Longman, Igal Bilik
  • Patent number: 11163053
    Abstract: A vehicle, radar system of the vehicle and method of operating the vehicle. A transmit antenna transmits a radio wave and a plurality of receive antennae receive echo radio waves from an object receptive to the transmitted radio wave, wherein the echo radio waves includes short-range interference. A processor generates a plurality of radar data arrays for the return signals, wherein each radar data array represents the return signal received at a corresponding receiver antennae, estimates an amount of short-range interference present in the return signal of each radar data array, subtracts the estimate of short-range interference from each of the radar data array to obtain a plurality of clutter-free radar data arrays, and detects the object using at least the plurality of clutter-free radar data arrays. A navigation system navigates the vehicle based on the detection of the object.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: November 2, 2021
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Shachar Shayovitz, Yonattan Menaker, Igal Bilik
  • Patent number: 11143753
    Abstract: A vehicle, radar system of a vehicle and method of extending a range of the radar system. The radar system includes a transmitter antenna, a receiver antenna and a processor. The transmitter antenna transmits a reference signal. The receiver antenna receives an echo signal in response to reflection of the reference signal from an object located at a distance outside of the range limit of the radar system, wherein the range limit indicating a frequency sampling range. The processor generates a frequency peak for the object from the received echo signal, wherein the frequency peak lies outside of the frequency sampling range, shifts the frequency peak to within the frequency sampling range, and determines a range of the object using the frequency-shifted peak.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: October 12, 2021
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Oren Longman, Shahar Villeval, Igal Bilik, Lior Kissos
  • Patent number: 11119187
    Abstract: A system and method to resolve ambiguity in a radar system involve detecting one or more objects with the radar system. The detecting includes obtaining range, azimuth, and an ambiguous range rate of a first object of the one or more objects. A plurality of Kalman filters are generated with state variables that include parameters based on the range, the azimuth, and the ambiguous range rate. Each of the plurality of Kalman filters provides a different estimate for an unambiguous range rate. The method also includes updating the plurality of Kalman filters using additional detections by the radar system, selecting a selected Kalman filter from among the plurality of Kalman filters that exhibits a highest probability mass among a plurality of probability mass corresponding with and derived from the plurality of Kalman filters, and determining the unambiguous range rate of the object using the selected Kalman filter.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: September 14, 2021
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Shuqing Zeng, Igal Bilik, Yasen Hu
  • Patent number: 11119185
    Abstract: A system and method to detect a target with a radar system of a vehicle involve transmitting two or more chirps, in turn, from two or more transmit elements. Each chirp is a continuous wave liner frequency modulated waveform. The method also includes receiving reflections generated by each of the two or more chirps from each of the two or more transmit elements at two or more receive elements, and processing the reflections based on a Doppler sampling frequency corresponding with a period of each of the two or more chirps to determine velocity of each detected target relative to the vehicle.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: September 14, 2021
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Gonen Barkan, Ilya Shapir Poltorak, Ishai Eljarat, Igal Bilik
  • Patent number: 11112497
    Abstract: A vehicle, system for navigating the vehicle and method of operating the vehicle. The system includes a radar system and a processor. The radar system transmits a linear frequency modulated signal into an environment of the vehicle and receives a reflection of the linear frequency modulated signal from an object in the environment. The processor partitions the reflection into a plurality of streams to obtain a Doppler frequency that exceeds a maximum Doppler frequency of the radar.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: September 7, 2021
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Shahar Villeval, Oren Longman, Igal Bilik
  • Patent number: 11099268
    Abstract: A vehicle, radar system for the vehicle and method of operating the vehicle is disclosed. The radar system includes a transmitter, a receiver and a processor. The transmitter transmits a source signal into a region proximate the vehicle. The receiver receives a reflected signal formed by reflection of the source signal from an object in the region. The processor obtains non-linear terms of a phase from the reflected signal and resolves a Doppler ambiguity of the object using the non-linear terms. A navigation system navigates the vehicle with respect to the object based on the resolved Doppler ambiguity.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: August 24, 2021
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Michael Dikshtein, Igal Bilik, Shahar Villeval, Oren Longman
  • Patent number: 11079488
    Abstract: A vehicle, radar system and method of detecting an object is disclosed. The radar system includes plurality of sensors a plurality of sensors, wherein a field of view of one of the plurality of sensors overlaps a field of view of at least another of the plurality of sensors at a region, and a processor. The processor is receives from the plurality of sensors a detection from the region, the detection related to an object, determines an overlap value for the region, adjusts a density parameter of a clustering criterion based on the overlap value, and determines a valid clustering of the detection with a neighboring detection using the adjusted density parameter.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: August 3, 2021
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Ishai Eljarat, Gonen Barkan, Igal Bilik
  • Patent number: 11047973
    Abstract: A vehicle, radar system and method of determining an angle of arrival of an object is disclosed. A radar array generates a linear frequency modulated source signal and includes a first channel and a second channel for receiving a reflection of the source signal from the object. A processor obtains a channel response for the first radar channel and for the second radar channel over a bandwidth of the source signal, partitions the frequency band into a plurality of frequency sub-bands, determines a variation between the first and second channel responses for a selected frequency sub-band, receives a reflection of the source signal at the first channel and at the second channel, corrects at least the second channel within the frequency sub-band using the determined variation, and determines an angle of arrival for the object based on the correction within the frequency sub-band.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: June 29, 2021
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Oded Bialer, Igal Bilik
  • Patent number: 11035945
    Abstract: System and method of controlling operation of a device in real-time. The system includes an optical sensor having a steerable optical field of view for obtaining image data and a radar unit having a steerable radar field of view for obtaining radar data. A controller may be configured to steer a first one of the optical sensor and the radar unit to a first region of interest and a second one of the optical sensor and the radar unit to the second region of interest. The controller may be configured to steer both the optical sensor and the radar unit to the first region of interest. The radar data and the image data are fused to obtain a target location and a target velocity. The controller is configured to control operation of the device based in part on at least one of the target location and the target velocity.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: June 15, 2021
    Assignee: GM Global Technology Operations LLC
    Inventors: Tzvi Philipp, Shahar Villeval, Igal Bilik, Jeremy A. Salinger, Shuqing Zeng