Automotive radar systems and methods include a radar monolithic microwave integrated circuit (MMIC) configured to perform radar processor functionality including performing range fast Fourier transforms (FFTs) on a plurality of received radar signal streams to obtain a plurality of transformed radar signal streams, performing H264/H265 encoding on I-frames of the plurality of transformed radar signal streams to obtain a plurality of compressed radar signal streams, and outputting, via a network interface, the plurality of compressed radar signal streams, and a domain controller connected to the radar MMIC via the network interface and configured to receive and utilize the plurality of compressed radar signal streams for an advanced driver-assistance system (ADAS) or autonomous vehicle driving feature, wherein the automotive radar systems/method do not include or utilize a distinct or standalone radar processor.

A detection device for detecting an object under test includes a radar module, a waveguide element, and a first antenna element. The waveguide element is coupled to the radar module. The first antenna element is disposed on the waveguide element. The radar module generates a first electromagnetic incident wave. The first antenna element transmits the first electromagnetic incident wave toward the object. The first antenna element receives a first electromagnetic reflection wave from the object. The radar module processes the first electromagnetic reflection wave. The first electromagnetic incident wave and the first electromagnetic reflection wave are propagated through the waveguide element.

A detection device for detecting an object under test includes a radar module, a waveguide element, and a first antenna element. The waveguide element is coupled to the radar module. The first antenna element is disposed on the waveguide element. The radar module generates a first electromagnetic incident wave. The first antenna element transmits the first electromagnetic incident wave toward the object. The first antenna element receives a first electromagnetic reflection wave from the object. The radar module processes the first electromagnetic reflection wave. The first electromagnetic incident wave and the first electromagnetic reflection wave are propagated through the waveguide element.

A radar ranging method includes: obtaining a first signal, where the first signal is a frequency domain signal obtained after low frequency suppression is performed in a beat frequency signal, and the beat frequency signal is a signal obtained by mixing a transmitted signal transmitted by a frequency modulated continuous wave FMCW radar and a received echo signal; performing mean gradient calculation on the first signal in frequency domain to obtain a second signal; and calculating at least one of a speed or a distance of a target object based on a peak signal in the second signal.

Provided is a radar apparatus whose performance is enhanced. The radar apparatus, includes: signal generation circuitry, which, in operation, generates a plurality of chirp signals; and a transmission antenna, which, in operation, transmits the plurality of chirp signals. The signal generation circuitry configures a transmission delay for the plurality of chirp signals for each of a predetermined number of transmission periods, where the predetermined number is greater than or equal to two. The signal generation circuitry changes a center frequency of the plurality of chirp signals for each of the predetermined number of transmission periods.

Various arrangements for performing fall detection are presented. A smart-home device (110, 201), comprising a monolithic radar integrated circuit (205), may transmit radar waves. Based on reflected radar waves, raw waveform data may be created. The raw waveform data may be processed to determine that a fall by a person (101) has occurred. Speech may then be output announcing that the fall has been detected via the speaker (217) of the smart home device (110, 201).

Various arrangements for performing ballistocardiography using a mobile device are presented. A radar integrated circuit of a mobile device may emit frequency-modulated continuous-wave (FMCW) radar. Reflected radio waves based on the FMCW radar being reflected off objects may be received and used to create a raw radar waterfall. The raw radar waterfall may be analyzed to create a ballistocardiography waveform. Data based on the ballistocardiography waveform may be output, such as to a machine-learning application installed on the mobile device.

Various arrangements for performing ballistocardiography using a mobile device are presented. A radar integrated circuit of a mobile device may emit frequency-modulated continuous-wave (FMCW) radar. Reflected radio waves based on the FMCW radar being reflected off objects may be received and used to create a raw radar waterfall. The raw radar waterfall may be analyzed to create a ballistocardiography waveform. Data based on the ballistocardiography waveform may be output, such as to a machine-learning application installed on the mobile device.

A system for providing contactless movement of a vehicle door relative to a vehicle body including an electric-motor movement device for moving the vehicle door, a radar sensor system for detecting, in the region of the vehicle door, a gesture to be performed by a user, and a control device for controlling the movement device according to a detection by the radar sensor system. The radar sensor system is configured to detect, in a first operating mode, a movement in a detection region in an environment of the vehicle door and to detect, in a second operating mode, a gesture for moving the vehicle door, the radar sensor system being configured to switch to the second operating mode when a movement is detected in the first operating mode.

In an embodiment, a method for estimating a composition of food includes: receiving a first three-dimensional (3D) image; identifying food in the first 3D image; determining a volume of the identified food based on the first 3D image; and estimating a composition of the identified food using a millimeter-wave radar.