Stichting Imec Nederland

Imec Vzw

Marco Mercuri

Yao-Hong Liu

Paul Mateman

Stefano Stanzione

Yiting Lu

Lichen Yao

Ilde Rosa Lorato

Rainer Oliver Hornung

Carmine Garripoli

Peng Zhang

A method for automatic multi-object localization and/or vital sign monitoring is provided. The method comprises the steps of receiving a radar signal in order to form a corresponding observation matrix, reducing noise by applying singular value decomposition to the observation matrix, processing the result of the singular value decomposition by an independent component analysis in order to estimate the corresponding sources, and estimating propagation channels of the estimated sources by minimizing the corresponding residual error based on the observation matrix and the estimated sources.

Method, system, and computer program product for automatic multi-object localization and/or vital sign monitoring

A powering apparatus for wireless powering of a power receiving device comprises:

Wireless power transmission using transmitter phase control

A method for extracting spatial resolution and/or velocity resolution of a single-input single-output radar acquiring raw radar data with a frequency scanning antenna is provided. The method includes steering a radar beam with the aid of the frequency scanning antenna with respect to an area to be illuminated by the radar, and dividing the area into at least two angular sectors. In this context, the at least two angular sectors are configured in a manner that the at least two angular sectors overlap with respect to each other.

Method and device for extracting spatial/velocity resolution of a single-input single-output radar

Example embodiments relate to radar transceivers. One embodiment includes a radar transceiver. The radar transceiver includes a chirp generator for generating a chirp having an initial frequency and a final frequency. The radar transceiver also includes a controllable variable gain amplifier having an input connected to an output of the chirp generator. Further, the radar transceiver includes a control unit connected to a control input on the chirp generator and to a control input on the controllable variable gain amplifier. The control unit is adapted to output a first control signal to the chirp generator such that the chirp generator starts generating the chirp. The control unit is also adapted to output a second control signal to the controllable variable gain amplifier such that the controllable variable gain amplifier starts increasing an amplification in the controllable variable gain amplifier from a first amplification level to a second amplification level.

Radar transceiver

A method of detecting a vital sign comprising at least one of a heart rate and a respiratory rate of a subject is provided. In one aspect, the method includes transmitting a radio frequency signal towards the subject; and receiving a reflected signal from the subject, wherein the transmitted signal is reflected by the subject and Doppler-shifted due to at least one of the heart rate and the respiratory rate to form the reflected signal. The method also includes mixing the reflected signal with a first reference signal; and providing a vital sign carrying signal based on the mixing to a first input of a phase or frequency comparator. The method further includes generating an adjustable second reference signal and providing the reference signal to a second input of the phase or frequency comparator; and generating an output signal, by the phase or frequency comparator. The method includes varying at least one of a phase and a frequency of the adjustable second reference signal based on the output signal to track a phase or frequency of the vital sign carrying signal.

Method and device for detecting a vital sign carrying signal using a phase-locked loop

A method for localization and monitoring of living being targets in an environment comprise: transmitting () a sequence of radio frequency waveforms, the waveforms being a continuous-wave waveform modulated in frequency and/or phase; detecting () a sequence of reflected waveforms being reflected by a target and Doppler-shifted due to a movement of the target, forming () a sequence of waveform transforms, wherein the waveform transform comprises discretized information in a plurality of range bins, and wherein the information in a single range bin corresponds to reflections occurring at a specific sector in the environment; analyzing () information for a single specific sector in a sub-sequence of the sequence of waveform transforms, and determining () movement of a target in the specific sector based on the waveform transform information for that specific sector during a time period corresponding to the sub-sequence.

Method and a system for localization and monitoring of living being targets

A method and system for detecting at least one of a heart rate and a respiratory rate of a subject are disclosed. In one aspect, the method includes transmitting a signal towards the subject and receiving a reflected signal from the subject being Doppler-shifted due to at least one of the heart rate and the respiratory rate. The method also includes providing the reflected signal to a first input of a phase comparator, providing an adjustible reference signal to a second input of the phase comparator, and generating an output signal by the phase comparator based on the reflected signal and the reference signal. The method includes varying, by the reference signal generator, at least one of a phase and a frequency of the adjustable reference signal based on the output signal of the phase comparator to track a phase of the reflected signal.

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Eindhoven, Netherlands

Marco Mercuri