Systems, apparatuses, and methods for implementing a dual-purpose millimeter-wave frequency band transmitter are disclosed. A system includes a dual-purpose transmitter sending a video stream over a wireless link to a receiver. In some embodiments, the video stream is generated as part of an augmented reality (AR) or virtual reality (VR) application. The transmitter operates in a first mode to scan and map an environment of the transmitter and receiver. The transmitter generates radio frequency (RF) signals in a first frequency range while operating in the first mode. Additionally, the transmitter operates in a second mode to send video data to the receiver, and the transmitter generates RF signals in the first frequency range while operating in the second mode.

It is described a radar system (100), comprising: i) a transmitter (120) configured to: provide a code (C), identify a plurality of regions (R) within the code (C), apply a transmitter-specific cyclic shift scheme to the plurality of regions (R), generate a signal (S) from the code (C) and transmit the signal; and ii) a receiver (130), configured to: receive an echo (E) of the signal (S), and identify the transmitter (120) based on the transmitter-specific cyclic shift scheme.

Further, a radar arrangement and a method of performing a radar operation are described.

A transceiver may wirelessly transmit a communication signal at a first frequency and a sensing signal at a second frequency. The communication signal may include a command that causes a backscatter node to modulate impedance of an antenna, and thereby modulate reflectivity of the backscatter node. The communication signal may also deliver wireless power to the backscatter node. While the impedance is being modulated in response to the command, the transceiver may transmit the sensing signal and measure wireless reflections. The power of the sensing signal may be much lower than that of the communication signal. The transceiver may frequency hop the sensing signal in a wide band of frequencies and take measurements at each frequency in the hopping. Based on the measurements, a computer may determine time-of-flight or phase of a reflected signal from the backscatter node and may estimate location of the backscatter node with sub-centimeter precision.

The present invention relates to a method for performing positioning in a cellular-vehicle to everything (C-V2X) system, and a device therefor. A method for performing positioning in a terminal mounted on a positioning vehicle in a C-V2X communication system according to one aspect may comprise the steps of: measuring a time of flight (ToF) by performing road side unit (RSU) and round trip time (RTT) ranging; determining a positioning mode, wherein the positioning mode includes a self-positioning mode and a cooperative positioning mode; measuring the relative positions of surrounding vehicles by using a sensor provided in the positioning vehicle on the basis of the determined positioning mode being the cooperative positioning mode, and storing first positioning measurement information corresponding to the measured relative positions; selecting a surrounding vehicle on which to perform cooperative positioning; transmitting the first positioning measurement information to the selected surrounding vehicle; receiving second positioning measurement information from the selected surrounding vehicle; and determining the current location of the positioning vehicle on the basis of the first and second positioning measurement information.

In a general aspect, a motion detection system detects gestures (e.g., human gestures) and initiates actions in response to the detected gestures. In some aspects, channel information is obtained based on wireless signals transmitted through a space by one or more wireless communication devices. A gesture recognition engine analyzes the channel information to detect a gesture (e.g., a predetermined gesture sequence) in the space. An action to be initiated in response to the detected gesture is identified. An instruction to perform the action is sent to a network-connected device associated with the space.

Disclosed are techniques for wireless communication. In an aspect, a first wireless device transmits a request to participate in a coordination and detection procedure to determine whether a human is present in an environment of the first wireless device, receives an acknowledgment from at least a second wireless device, transmits a first set of at least two consecutive wireless signals to the second wireless device, receives a second set of at least two consecutive wireless signals from the second wireless device, determines whether the human is present in the environment based at least in part on a first time of flight (ToF) and a second ToF between the first wireless device and the second wireless device, and sets a transmit power of the first wireless device based on the determination of whether the human is present in the environment.

A computer-implemented method of configuring a sensing system for monitoring a place, the sensing system comprising a plurality of network devices located in the place and including at least one network device configured as a transmitter to transmit wireless signals over a wireless channel and at least one network device configured as a receiver to receive wireless signals transmitted in the place and subject to disturbance by the place. Wireless signals are transmitted from the transmitter. Disturbed wireless signals are detected at the receiver. A characteristic of a first physical configuration of the network devices is determined from the disturbed wireless signals, and feedback based on the characteristic is provided to a user, via a user interface of a client device associated with the user. It is detected that a second physical configuration has been implemented in response to the feedback, and a characteristic of a second physical configuration is determined.

An electronic device includes an ultra-wide band (UWB) circuit, and at least one processor comprising a controller of UWB circuit. The at least one processor is configured to transmit, through UWB circuit operating in a first mode, a first signal for a first field in a first frame, transmit, through UWB circuit operating in the first mode, a second signal including designated information for a second field in the first frame, receive, through UWB circuit operating in the first mode, a first reflected signal related to the first signal and a second reflected signal related to the second signal, respectively, caused by an external object, according to a state of the designated information identified from the second reflected signal, obtain information on the external object based on the first reflected signal or transmit a second frame through UWB circuit operating in a second mode.

A universal transmit-receive (UTR) module for phased array systems comprises an antenna element shared for both transmitting and receiving; a transmit path that includes a transmit-path phase shifter, a driver, a switch-mode power amplifier (SMPA) that is configured to be driven by the driver, and a dynamic power supply (DPS) that generates and supplies a DPS voltage to the power supply port of the SMPA; and a receive path that includes a TX/RX switch that determines whether the receive path is electrically connected to or electrically isolated from the antenna element, a bandpass filter (BPF) that aligns with the intended receive frequency and serves to suppress reflected transmit signals and reverse signals, an adjustable-gain low-noise amplifier (LNA), and a receive-path phase shifter. The UTR module is specially designed for operation in phased array systems. The versatility and wideband agility of the UTR module allows a single phased array system to be designed that can be used for multiple purposes, such as, for example, both radar and communications applications.

Methods, systems, and devices for wireless communication are described. In some wireless communications systems, a first device may receive a feedback message from a second device that indicates a set of one or more sensing results associated with a sensing procedure performed by the second device. The first device may transmit, to the second device, a control message indicating resource information for a message for the second device. The control message may include an indication of a transmission configuration indication (TCI) state indicating a quasi-colocation (QCL) relationship between a reference signal associated with the message and a sensing result of the set of one or more sensing results indicated by the feedback message. The first device may transmit the message using a transmit beam and the second device may receive the message using a receive beam based on the TCI state and the QCL relationship.