Abstract: It is suggested to process radar signals including (i) determining a variation of at least one radar parameter provided from at least one radar device; (ii) determining an estimated value of at least one radar parameter from an error compensation vector; and (iii) determining a safety condition based on the variation and the estimated value for the respective radar parameter.

Abstract: A synchronous communication interface includes at least one data channel configured to carry a data signal comprising a plurality of data units; a control channel parallel to the at least one data channel, the control channel configured to carry a control signal for the at least one data channel; and a circuit configured to generate the control signal that includes control information that defines each of the plurality of data units in each data signal and further includes additional information. The circuit is configured to vary a duty cycle of the control signal according to a mapping of the additional information to a plurality of discrete duty cycle states.

Abstract: A radar device is configured to: select a set of operands comprising several operands, determine a common exponent for the operands of the set of operands, normalize the operands based on the common exponent, compress each operand by reducing the resolution of its mantissa, and store the common exponent and the compressed operands in a memory. Also, a vehicle including such radar device and an according method as well as computer program product are provided.

Abstract: A processor having a hardware decompressor configured to pad a non-equidistant data set, which is data received at irregular time intervals, with one or more of a predefined value, wherein the data is radar or optical sensor data; and a Fourier transform engine configured to receive the padded non-equidistant data set directly and continuously per data set from the hardware decompressor, and to FFT process the received padded non-equidistant data set.

Abstract: A radar sensor is described herein. In accordance with one example embodiment the radar sensor includes a transmitter for transmitting an RF signal and a receiver configured to receive a respective back-scattered signal from at least one radar target and to provide a corresponding digital radar signal. The radar sensor further includes a processor configured to convert the digital radar signal into the frequency do-main thus providing respective frequency domain data and to compress the frequency domain data. A communication interface is configured to transmit the compressed frequency domain data via a communication link operably coupled to the communication interface. Furthermore, respective and related radar methods and systems are described.

Abstract: A method for the use in a radar system comprises: receiving an RF radar signal; down-converting the received RF radar signal into a base band using a frequency-modulated local oscillator signal including a scanning chirp having a higher bandwidth than a regular chirp bandwidth; generating a digital base band signal based on the down-converted RF radar signal, the digital base band signal including a sequence of samples associated with the scanning chirp; identifying, in the sequence of samples, impaired samples, which are affected by interference; and selecting—based on the position of the impaired samples within the sequence of samples—a sub-band, which has the regular chirp bandwidth, for transmitting chirps of chirp frame used for measurement data acquisition.

Abstract: A radar sensor is described herein. In accordance with one example embodiment the radar sensor includes a transmitter for transmitting an RF signal and a receiver configured to receive a respective back-scattered signal from at least one radar target and to provide a corresponding digital radar signal. The radar sensor further includes a processor configured to convert the digital radar signal into the frequency do-main thus providing respective frequency domain data and to compress the frequency domain data. A communication interface is configured to transmit the compressed frequency domain data via a communication link operably coupled to the communication interface. Furthermore, respective and related radar methods and systems are described.

Abstract: A method of handling radar signals of a radar system having a plurality of antennas is provided. The method may include generating a plurality of time-based radar signals based on a radar signal received by an associated antenna of the plurality of antennas, and transforming each time-based radar signal of the time-based radar signals into radar signals that each comprise a plurality of pairs of a frequency-based-value and an associated intensity value.

Abstract: A radar device is provided that is arranged for conducting an interference detection and mitigation based on received and sampled radar signals and storing interference-mitigated data; conducting an FFT on the interference-mitigated data and storing FF-transformed data; conducting a compression on the FF-transformed data into compressed data; and storing the compressed data in a memory. Also, a method for operating such radar device is suggested.

Abstract: A method for processing a radar signal includes adjusting a processing clock signal, wherein the processing clock signal determines an operation period of a signal processing circuit, wherein the processing clock signal is determined based on a time window, wherein the size of the time window is determined based on the maximum time available for processing a portion of the radar signal and wherein the end of the time window is determined such that it does not occur during an active transmission portion of the radar system.

Abstract: A synchronous communication interface includes at least one data channel configured to carry a data signal comprising a plurality of data units; a control channel parallel to the at least one data channel, the control channel configured to carry a control signal for the at least one data channel; and a circuit configured to generate the control signal that includes control information that defines each of the plurality of data units in each data signal and further includes additional information. The circuit is configured to vary a duty cycle of the control signal according to a mapping of the additional information to a plurality of discrete duty cycle states.

Abstract: A radar device is disclosed that includes an input DMA module, at least one processing module, a histogram module, and an output DMA module. The input DMA module is configured to access a memory and supply data from the memory to the at least one processing module and/or to the histogram module. Each of the processing modules is configured to be enabled or disabled, wherein the at least one processing module that is enabled is configured to process at least a portion of the data supplied by the input DMA module, wherein the histogram module is fed by data from the at least processing module that is enabled and/or by the input DMA module. The output DMA module is configured to store the data that are processed by the at least one processing module that is enabled in the memory. Also, an according method is provided.

Abstract: A radar device is disclosed including an input DMA module, at least one processing module, and an output DMA module. The input DMA module is arranged to access a memory and supply data from the memory to the at least one processing module, wherein each of the processing modules is arranged to be enabled or disabled. The at least one processing module that is enabled is arranged to process at least a portion of the data supplied by the input DMA module, and the output DMA module is arranged to store the data that are processed by the at least one processing module that is enabled in the memory. Also, a method for processing data by a radar device is provided.

Abstract: A radar sensor is described herein. In accordance with one example embodiment the radar sensor includes a transmitter for transmitting an RF signal and a receiver configured to receive a respective back-scattered signal from at least one radar target and to provide a corresponding digital radar signal. The radar sensor further includes a processor configured to convert the digital radar signal into the frequency do-main thus providing respective frequency domain data and to compress the frequency domain data. A communication interface is configured to transmit the compressed frequency domain data via a communication link operably coupled to the communication interface. Furthermore, respective and related radar methods and systems are described.