Systems and methods for controlling an autonomous vehicle are provided. In one example embodiment, a computer-implemented method includes obtaining sensor data indicative of a surrounding environment of the autonomous vehicle, the surrounding environment including one or more occluded sensor zones. The method includes determining that a first occluded sensor zone of the occluded sensor zone(s) is occupied based at least in part on the sensor data. The method includes, in response to determining that the first occluded sensor zone is occupied, controlling the autonomous vehicle to travel clear of the first occluded sensor zone.

This surveillance system is provided with: a radar device which generates information indicating the reflection positions of radiated radio waves; and a surveillance device which, on the basis of the information indicating the reflection positions, detects a moving body in a radiation range of the radio waves, and determines whether an occlusion region, which is a region in the radiation range that cannot be reached by the radio waves, has arisen, and which generates surveillance information including information indicating the result of the moving body detection, and information indicating whether an occlusion region has arisen.

Disclosed herein is a system and method for determining a thickness of ice on Radio Frequency (RF) systems The system includes a sensor unit for use in determining the thickness of ice on a surface of a RADAR system having a RADAR antenna, the sensor unit including a sensor unit antenna tunable to a harmonic of a RADAR antenna signal, the harmonic having a frequency within an ice absorption band, wherein the sensor unit antenna emits the harmonic at a first signal strength; and, a sensor unit receiver communicatively coupled to the sensor unit antenna and configured to detect a second signal strength of the harmonic received by the sensor unit antenna.

According to a first aspect, a radar system with blockage detection is provided. The radar system includes a first antenna for receiving first signals and a second antenna for receiving second signals. Input circuitry processes the first signals to generate first input signals and processes the second signals to generate second input signals. A processor computes a correlation between the first input signals and the second input signals, determines a correlation variance related to variation in the correlation, and generates a determination as to whether the radar system is blocked using the correlation variance.

A dynamic sensor model is implemented by a vehicle to adapt sensor behavior to vehicle modifications and transformations. Responsive to impairment of a feature of the vehicle due to initial conditions for a target sensor being outside a range of current readings and further to receiving signals indicative of a upfit to the vehicle, an upfit zone of the vehicle is identified. The upfit zone corresponds to the target sensor. One or more reconfigurations of sensors of the vehicle within the upfit zone are performed to address the impairment of the feature.

A device for measuring and/or monitoring tire-related variables of a vehicle, having a sensor unit for transmitting, receiving and processing signals, wherein a transmission signal is emitted by an antenna unit of the sensor unit in the direction of an object being measured and wherein a reflection signal reflected by the object being measured is received and analysed, the sensor unit having a transceiver device, via by means of which a reflection factor, formed as the quotient from the reflection signal reflected by the object being measured and the transmission signal, is measured and via which a resonance frequency and/or a phase difference between the transmission signal and the reflection signal is determined, wherein the transceiver unit comprises a vector network analyser and an analysis unit, so that a distance to the object being measured is established by detecting the phase difference between the transmission signal and the reflection signal.

A method for controlling the function of a vehicle radar transceiver (3), where the method includes transmitting (S100) a radar signal (5) and collecting and storing (S300) target data comprising a received detected signal level obtained from the reflected radar signals (6) that have been reflected by at least one target object (7) during a measurement angular interval (21). The method further includes determining (S400) that the radar transceiver (3) is functioning properly when at least one of the following conditions is met: the detected signal level exceeds a minimum signal level (12) during an angular interval (θ.sub.i) included in a measurement angular interval (21); and a detected signal level change for a certain angular change falls below a certain limit during an angular interval (θ.sub.i) included in the measurement angular interval (21).

A radar apparatus includes: a transmission processor, which, in operation, transmits first wave signals from inside of the bumper toward outside, the transmission processor being provided inside of the bumper; a reception processor, which, in operation, receives an object-reflected wave signal that is a reflection of the first wave signals by a target in an area around the vehicle, a bumper-reflected wave signal that is a reflection of the first wave signals by the bumper, and a transmission and reception leak signal of the first wave signals and detects the target through the object-reflected wave signal; and a bumper determiner, which, in operation, detects a first reception level of a second wave signal including the bumper-reflected wave signal and the transmission and reception leak signal, compares the first reception level with a threshold, and determines the presence of a bad bumper state in a case where the first reception level is higher than the threshold.

A radar anti-spoofing system for an autonomous vehicle includes a plurality of radar sensors that generate a plurality of input detection points representing radio frequency (RF) signals reflected from objects and a controller in electronic communication with the plurality of radar sensors. The one or more controllers execute instructions to determine a signal to noise ratio (SNR) distance ratio for the input detection points generated by the plurality of radar sensors, where a value of the SNR distance ratio is indicative of an object being a ghost vehicle. The one or more controllers also determine an effective particle number indicating a degree of particle degradation for the importance sampling for each variable that is part of the state variable. In response to determining the effective particle number is equal to or less than a predetermined threshold, the one or more controllers estimate a ghost position for the ghost vehicle.

The invention relates to a method for detecting a screening of a sensor device (4) of a motor vehicle (1) by an object (8), in which at least one echo signal, captured by the sensor device (4), that characterizes a spacing between the sensor device (4) and the object (8) is received (S1) by means of a computing device (3), a capture region (E) for the sensor device (4) is determined, and on the basis of the at least one received echo signal it is checked whether the capture region (E) of the sensor device (4) is being screened by the object (8), at least in some regions, wherein the at least one echo signal is assigned by means of the computing device (3) to a discrete spacing value (B1, B2, B3) from a plurality of discrete spacing values (B1, B2, B3), for each of the discrete spacing values (B1, B2, B3) a power value (P) is determined (S2) on the basis of the echo signal, and on the basis of the power values (P) a decision is made by means of a classifier as to whether at least a predetermined proportion of the capture region (E) of the sensor device (4) is being screened (S6) by the object (8).