G01S7/00

Distributed integrated sensing and communication module
11507087 · 2022-11-22 · ·

A distributed integrated sensing and communication (DISC) module for an autonomous vehicle is described herein. The DISC module includes at least a first sensor system, a second sensor system, a processor, and memory. The first sensor system and the second sensor system are different types of sensor systems. The first sensor system outputs a first sensor signal, and the second sensor system outputs a second sensor signal. The DISC module can detect and track an object (or objects) based on the first sensor signal and the second sensor signal. Moreover, the DISC module can output data indicative of the object as detected. In the DISC module, the first sensor system, at least a portion of the second sensor system, the processor, and the memory are integrated on a single substrate.

TRIGGER FOR USE WITH VEHICLE TESTING
20230056419 · 2023-02-23 ·

A lidar trigger device and method of operating a lidar trigger device that includes: a controller having a processor and memory, the memory storing computer instructions; a wireless communications device; a lidar unit having a light emitter and light detector; an electronic display; and a housing that surrounds the controller, the wireless communications device, the lidar unit, and the electronic display. When the computer instructions are executed by the processor, the lidar trigger device is configured to: cause light to be transmitted from the light emitter of the lidar unit; cause reflected light that is received at the light detector to be processed; determine whether the lidar unit was triggered based on processing of the reflected light; in response to determining that the lidar unit was triggered, generate a trigger reporting message; and send the trigger reporting message to a remote device via the wireless communications device.

SYSTEMS, DEVICES AND METHODS FOR SYNCHRONIZATION
20220365168 · 2022-11-17 ·

An apparatus for radar synchronization may include a local radar device configured to transmit and receive radar signals; a wireless device configured to wirelessly transmit and receive data; at least one processor operably coupled to the wireless device and the radar device, and the at least one processor configured to perform a method including obtaining local radar information regarding one or more radar pulses sent and/or received by the local radar device; and obtaining neighboring radar information associated with radar pulses sent and/or received from one or more neighboring radar devices; and updating a radar data structure using the obtained local and neighboring radar information, wherein the radar data structure comprises radar information for each of a plurality of radar pulses transmitted by the local radar device and/or the one or more neighboring radar devices.

SIDELINK RANGING WITH RECONFIGURABLE INTELLIGENT SURFACE-USER EQUIPMENT CO-LOCATION

Aspects presented herein may enable a wireless device to perform an SL ranging based on a single-sided PRS transmission. In one aspect, a first wireless device transmits one or more reference signals to at least one RIS associated with a second wireless device. The first wireless device receives one or more reflected reference signals reflected from the at least one RIS. The first wireless device calculates a signal RTT based on the one or more reference signals and the one or more reflected reference signals. In another aspect, a second wireless device transmits, to a first wireless device, information indicating a time, a duration, or a periodicity in which at least one RIS associated with the second wireless device is to be activated. The second wireless device activate the at least one RIS based on the information.

Requesting weather data based on pre-selected events

A ground weather center may transmit information requests that carry at least one meteorological specific triggering command. An airborne system may translate the triggering command into detectable meteorological conditions and may arm the trigger(s) for specific weather sensors accordingly and downlink information upon the airborne system detects the triggering conditions. By using such a triggering command, the airborne system may be able transmit the same amount of valuable information with less bandwidth by reducing the number of redundant downlinked packets.

COOPERATIVE VEHICULAR RADAR SENSING
20220365167 · 2022-11-17 ·

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive an indication of a configuration to perform cooperative radar sensing. The configuration may indicate resources for the first UE to use to communicate radar measurement reports. The UE may receive, from another UE on the identified resources, a radar measurement report that includes values for one or more radar measurement parameters for a first radar target and a time stamp associated with the values. The UE may identify a second set of values for the radar measurement parameters (e.g., its own measurements, or measurements received from a third UE in another radar measurement reports). The UE may generate a combined set of values for the radar measurement parameters for each time stamp by combining the first set of values and the second set of values.

Synchronizing vehicle devices over a controller area network

A method for synchronizing devices in a vehicle may make use of the Controller Area Network (CAN) communication bus. A bus interface of each of two or more devices coupled to the bus may be configured to accept a same message broadcast via the communication bus, in which the message has a specific message identification (ID) header. A message may be received from the communication bus that has the specific message ID simultaneously by each of the two or more devices. Operation of the two or more devices may be synchronized by triggering a task on each of the two or more devices in response to receiving the message having the specific message ID.

Scanning lidar system and method with spatial filtering for reduction of ambient light

According to one aspect, an optical transceiver includes a substrate and a laser fixed to a first surface of the substrate, the laser generating output light for transmission along a transmission axis into a region. An optical detection element is fixed to a second surface of the substrate opposite the first surface, the optical detection element receiving input light reflected from the region along a reception axis through an opening in the substrate between the first and second surfaces of the substrate, the transmission axis and the reception axis being substantially parallel.

Laser scanner

A laser scanner (10) including a housing (12) having a window (14), a light source (34) for emitting a light beam (32), the window (14) being transparent to the wavelength(s) of the light beam (32), a scanning mirror (30) rotatable about an axis of rotation (X) for deflection of the light beam (32) toward a scanning area (SC) so that the light beam (32) periodically sweeps at least one sweep surface, and for deflection of return light from objects or persons in the scanning area (SC) into a light collection path, a motor (24) for rotating the scanning mirror (30), a photodetector element (42) for generating an electric signal, arranged in said light collection path, wherein the motor (24), the light source (34), and the photodetector element (42) are all housed within the housing (12) on a same side with respect to said at least one sweep surface.

Method, apparatus, and system for wirelessly tracking keystrokes

Methods, apparatus and systems for wirelessly tracking keystrokes on a surface are described. In one example, a described system comprises: a transmitter configured for transmitting, using a transmit antenna, a first wireless signal through a wireless channel of a venue including the surface; a receiver configured for receiving, using a plurality of receive antennas, a second wireless signal through the wireless channel, wherein the second wireless signal comprises a reflection of the first wireless signal by at least one moving object in the venue; and a processor. The processor is configured for: obtaining, regarding each receive antenna, a time series of channel information (CI) of the wireless channel based on the second wireless signal, detecting at least one keystroke on the surface based on the time series of CI (TSCI) obtained regarding each receive antenna, determining at least one location of the at least one keystroke on the surface, and determining at least one key associated with the at least one keystroke based on the at least one location.