Infineon Technologies Ag

Jagjit Singh Bal

Saverio Trotta

Ashutosh Baheti

Avik Santra

Dennis Noppeney

Reinhard-Wolfgang Jungmaier

Ismail Nasr

Maciej Wojnowski

Ernst Seler

Werner Simbuerger

Raghavendran Vagarappan Ulaganathan

Ulrich Moeller

Reinhard Wolfgang Jungmaier

Mehran Pour Mousavi

Henk Muller

Shyam Nallabolu

Yue Sun

Saiveena Kesaraju

Andrzej Samulak

Thomas Gmeinder

In an embodiment, a method includes: receiving a range-Doppler image (RDI) based on raw data from a radar sensor; performing moving target indication (MTI) filtering on the RDI to generate a first filtered radar image; performing constant false alarm rate (CFAR) detection on the first filtered radar image to generate a second filtered radar image; performing minimum variance distortionless response (MVDR) beamforming on the second filtered radar image to generate a range-angle image (RAI); performing CFAR detection on the RAI to generate a third filtered radar image; generating a point set based on the third filtered radar image; clustering targets of the point set; and tracking at least one of the clustered targets using a Kalman filter.

Radar-based target tracker

In accordance with an embodiment, a method of operating a radar system includes receiving radar configuration data from a host, and receiving a start command from the host after receiving the radar configuration data. The radar configuration data includes chirp parameters and frame sequence settings. After receiving the start command, configuring a frequency generation circuit is configured with the chirp parameters and radar frames are triggered at a preselected rate.

System and method for radar

In accordance with an embodiment, an apparatus includes a millimeter wave radar sensor system configured to detect a location of a body of a person, where the detected location of the body of the person defines a direction of the person relative to the apparatus; and a microphone system configured to generate at least one audio beam as a function at least of the direction.

System and method for a voice-controllable apparatus

In an embodiment, a method of interference mitigation in a device that includes a millimeter-wave radar, includes transmitting radar signals with the millimeter-wave radar; receiving reflected radar signals with the millimeter-wave radar, the reflected radar signals corresponding to the transmitted radar signals; generating a first spectrogram based on the reflected radar signals; generating a second spectrogram indicative of movement of a non-target object; generating a compensated radar spectrogram based on the first and second spectrograms to compensate for an influence of the movement of the non-target object in the first spectrogram; and detecting a target or a property of the target based on the compensated radar spectrogram.

In device interference mitigation using sensor fusion

A method of operating a radar system includes transmitting a plurality of transmitted radio frequency (RF) signals by a plurality of directional antennas. The plurality of directional antennas is disposed on a planar surface of a substrate. Each of the plurality of antennas is in a fixed orientation and position on the planar surface. A respective individual coverage of each of the plurality of directional antennas is less than 360&#xb0;. A combined coverage of the plurality of transmitted RF signals completely covers a 360&#xb0; region surrounding the radar system. The method also includes receiving a reflected RF signal by a directional antenna of the plurality of directional antennas.

Radar systems and methods of operation thereof

A method for human detection includes: receiving first and second echo signals using a millimeter-wave radar to produce first and second sets of data, respectively; selecting first and second angles based on the first and second sets of data, respectively; performing a FrFT on the first set of data using the first angle; identifying first targets by comparing peaks of the FrFT of the first set of data with a first threshold; performing a FrFT on the second set of data using the second angle; identifying second targets by comparing peaks of the FrFT of the second set of data with the first threshold; generating a set of target tracks based on the identified first and second targets; and associating a target track with a human track based on comparing each target track of the set of target tracks with a set of reference track signatures.

Human detection and identification in a setting using millimeter-wave radar

In accordance with an embodiment, a method of monitoring a structural object includes performing a first set of radar measurements using a first millimeter-wave radar sensor to produce a first set of radar data, extracting a first interferometric phase from the first set of radar measurements, and determining a structural integrity of the structural object based on the extracted first interferometric phase.

System and method of monitoring a structural object using a millimeter-wave radar sensor

In accordance with an embodiment, a method of monitoring an air flow includes performing a plurality of radar measurements using a millimeter-wave radar sensor with a line of sight having a component perpendicular to a direction of an air flow, detecting an object in the air flow based on the plurality of radar measurements, calculating a displacement of the object and a size of the object based on the plurality of radar measurements, estimating a velocity of the object based on the calculated displacement, and calculating a risk metric based on the calculated size of the object and estimated velocity of the object.

System and method of monitoring an air flow using a millimeter-wave radar sensor

A treadmill includes a belt, a display, a first sensor having first transmission circuitry for transmitting a first radar beam over the belt and first reception circuitry for detecting a first reflected signal that is a reflection of the first radar beam from a user on the belt, a processor connected to the first sensor, the belt and the display, and a non-transitory computer-readable storage medium storing a program to be executed by the processor. The program includes instructions for determining, according to the first reflected signal, first data associated with a vital sign of the user and displaying, according to the first data, the vital sign on the display.

System and method for contactless sensing on a treadmill

A radio frequency (RF) system includes an RF integrated circuit (IC) die. The RF IC die includes a first transmit circuit, a second transmit circuit, a first receive circuit, a second receive circuit, and a control circuit coupled to the first transmit circuit, the second transmit circuit, the first receive circuit, and the second receive circuit. The RF system further includes a first antenna coupled to the first transmit circuit and the first receive circuit using a first coupling structure. The control circuit is configured to activate the first transmit circuit and deactivate the first receive circuit during a first operation mode. The RF system further includes a second antenna coupled to the second transmit circuit and the second receive circuit using a second coupling structure. The control circuit is configured to activate the second transmit circuit and deactivate the second receive circuit during a second operation mode.

Radio frequency system and method for wearable device

An electronic system includes a carrier including at least one waveguide feeding, a semiconductor chip including a first surface and a second surface, and an integrated RF circuit, and a cooling element including a backshort. The semiconductor chip is mounted to the carrier such that the first surface faces the carrier. The integrated RF circuit is connected to the at least one waveguide feeding. The cooling element is mounted to the carrier such that the backshort is adjacent one end of the at least one waveguide feeding, and the cooling element at least partially covers the semiconductor chip such that the second surface of the semiconductor chip faces the cooling element.

Electronic system

According to an embodiment, a circuit board includes a signal line including at least portion of a first conductive layer that has a first portion extending over a cavity in the circuit board from a first side of the cavity. The circuit board also includes a first plurality of conductive vias surrounding the cavity and the first plurality of vias include at least one blind via disposed adjacent to the first side of the cavity.

Growing community of inventors

Fremont, CA, United States of America

Jagjit Singh Bal