Abstract: A mobile device is disclosed. The mobile device may receive one or more wireless local area network (WLAN) signals. The mobile device may determine Channel State Information (CSI) data from the one or more WLAN signals. The mobile device may determine one or more environmental characteristics associated with an environment of the mobile device based on the CSI data. The mobile device may send information indicative of the one or more environmental characteristics to a location server (LS), or determine a position of the mobile device based at least in part on the one or more environmental characteristics, or any combination thereof.

Abstract: In some implementations, a method may comprise obtaining channel state information (CSI) data corresponding to a set of RF signals received by one or more receiving devices, wherein: the set RF signals comprises two or more reflected RF signals successively received by the one or more receiving devices after being reflected from a person, and the two or more reflected RF signals are received by the one or more receiving devices over a period of time. The method may further comprise determining an identity of the person based at least in part on an observed gait of the person and an observed shape of the person, wherein the observed gait of the person and the observed shape of the person are determined based at least in part on the CSI data. The method may further comprise outputting an indication of the determined identity of the person.

Abstract: Differing operations of a wireless communication device benefit from different antenna configurations, such as for positioning, where closely spaced antennas are desirable, and data communication, where antenna diversity is desirable. A device is configured to receive a request for receive a request for determining a position of a user equipment (UE), select one of a first plurality of antennas or a second plurality of antennas for determining the position of the UE, receive wireless signals using the selected first plurality of antennas or the second plurality of antennas, and determine the position of the UE based at least in part on the received wireless signals.

Abstract: A mobile device is disclosed. The mobile device may receive one or more wireless local area network (WLAN) signals. The mobile device may determine Channel State Information (CSI) data from the one or more WLAN signals. The mobile device may determine one or more environmental characteristics associated with an environment of the mobile device based on the CSI data. The mobile device may send information indicative of the one or more environmental characteristics to a location server (LS), or determine a position of the mobile device based at least in part on the one or more environmental characteristics, or any combination thereof.

Abstract: Techniques are provided for improving ranging accuracy of ultrawideband (UWB) devices. An example method for obtaining a distance measurement with a wireless node includes obtaining a first distance measurement using a first radio link, determining a status of a second radio link in response to the first distance measurement being less than a threshold distance, configuring one or more transceiver parameters associated with the second radio link in response to determining the second radio link is utilizing a non-line of sight path, and obtaining a second distance measurement using the second radio link and the one or more transceiver parameters.

Abstract: Disclosed are systems and techniques for performing mapping using radio frequency (RF) sensing. For instance, a server can obtain a first set of RF sensing data and orientation data corresponding to a first wireless device from a plurality of wireless devices. The first set of RF sensing data can be associated with at least one received waveform that is a reflection of a transmitted waveform from a first reflector. Based on the first set of RF sensing data, orientation data, and location data corresponding to the first wireless device, an indoor map can be generated that includes a reference to the reflector.

Abstract: Embodiments include methods for managing component temperatures in wearable devices by a remote computing device, such as an edge server, instructing changes in wearable device component processing loads, operations or operating modes. Methods performed in a wearable device receiving data from an edge server may include obtaining a plurality of temperature measurements from a plurality of hardware components, transmitting the temperature measurements to the edge server, receiving an instruction related to operations of an application executing on the processor of the wearable device, and adjusting an operating parameter based on the received instruction.

Abstract: In some implementations, a device may obtain channel state information (CSI) corresponding to each subcarrier of a plurality of subcarriers in a set of RF transmissions comprising at least the plurality of subcarriers. The device may extract phase information of the CSI corresponding to each subcarrier and determine, for each subcarrier, a frequency spectrum from the phase information of the CSI, where the frequency spectrum comprises phase change values of the CSI corresponding to the respective subcarrier for a plurality of frequencies. The device may determine a breathing rate from the frequency spectrum of the CSI corresponding to a subcarrier set comprising one or more of the subcarriers, the breathing rate corresponding to a phase change value in the frequency spectrum within a predetermined range of frequencies for breathing rates. The device may output an indication of the determined breathing rate.

Abstract: Implementations of a sensing headroom report (HR), generating the sensing HR, and adjusting transmit powers and other parameters are described. A device transmits a radar wireless signal at a first transmit power from one or more transmit chains. The device also senses the radar wireless signal. The device generates a sensing HR based on sensing the radar wireless signal. The sensing HR may include one or more indications of metrics associated with a received power, such as a transmit power headroom, a sensing headroom, or a combination of a self-interference power, noise, and received power. The device provides the sensing HR to another device in the wireless network (such as via a base station and/or core network to a radar server), and another device may determine a transmit power or other device parameters to be used for sensing.

Abstract: In an aspect, a user equipment receives, via a microphone, an utterance from a user and determines, using radio frequency sensing, that the user performed a gesture while making the utterance. The user equipment determines an object associated with the gesture and transmits an enhanced directive to an application programming interface (API) of a smart assistance device. The enhanced directive is determined based on the object, the gesture, and the utterance. The enhanced directive causes the smart assistant device to perform an action.

Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for reporting channel state information (CSI). In some implementations, a receiving device may acquire a set of channel frequency response (CFR) values associated with one or more sounding packets that are received from a transmitting device and may group the set of CFR values into multiple subsets according to a number of transmit antennas of the transmitting device, a number of receive antennas of the receiving device, or a number of tones spanning a bandwidth of the wireless channel. In such implementations, the receiving device may transmit one or more CSI report frames each carrying a respective subset of the CFR values. In some other implementations, a receiving device may acquire multiple CSI associated with respective sounding packets and may transmit a single CSI report frame carrying the CSI for each of the wireless channels.

Abstract: A first device includes one or more processors configured to determine, based on one or more wireless signals, a candidate device list identifying one or more devices that are within a communication range of one or more sensing devices. The one or more processors are further configured to, based on a determination to initiate a shared media session with a second device of the candidate device list, receive a media stream including particular media content from a remote media service while the particular media content is being sent from the remote media service to the second device. The one or more processors are further configured to, based on the determination to initiate the shared media session, cause the particular media content to be output, based on synchronization information, contemporaneous with output of the particular media content at the second device.

Abstract: Disclosed are systems and techniques for detecting audio sources and configuring acoustic device settings. For instance, a wireless device can obtain a first set of radio frequency (RF) sensing data associated with a first plurality of received waveforms corresponding to a first transmitted waveform reflected off of a plurality of reflectors. Based on the first set of RF sensing data, the wireless device can determine a classification of a first reflector from the plurality of reflectors. The wireless device can determine at least one acoustic setting based on the classification of the at least one reflector.

Abstract: Motion detection services are performed in a wireless network (e.g., a cellular network) with reference to beamforming. Reference signals or other resources for motion detection based on RAdio Detection And Ranging (RADAR) are transmitted over one or more transmit beams or received over one or more receive beams. Any motion measured from reflections of the signals may be associated with one or more of the transmit or receive beams. A device configured to receive the reflections determines one or more motion measurements associated with one or more beams, and determines one or more motion state metrics associated with the one or more beams. The one or more motion state metrics are included in one or more motion state reports to a network entity (e.g., a radar server), which may be used for various operations in the wireless network.

Abstract: Methods, systems, and devices for wireless communication are described. A first wireless communications device may transmit, to one or more second wireless communications devices, a first message that triggers transmission of a second message by each of the one or more second wireless communications devices, the first message allocating to each of the one or more second wireless communications devices a respective frequency-based resource unit for transmission of the second message, each of the respective frequency-based resource units spanning a portion of a channel bandwidth of a channel. The first wireless communications device may perform channel sensing measurements on the second message received from each of the one or more second wireless communications devices. The first wireless communications device may estimate the channel based on the channel sensing measurements performed on the respective second messages received on the respective frequency-based resource units.

Abstract: Certain aspects of the present disclosure provide a method for wireless communications at a first wireless node generally including generating a first frame associated with a timestamp, outputting the first frame, for transmission to a second wireless node, as part of a ranging procedure, and outputting, for transmission, signaling comprising information regarding a transmit impulse response of the first frame.

Abstract: Disclosed are techniques for wireless positioning. In an aspect, a wireless device receives one or more radio frequency (RF) signals from a transmitter device, displays a first arrow and a second arrow on a user interface of the wireless device, a direction of the first arrow representing a first angle-of-arrival (AoA) estimate of the one or more RF signals, and a direction of the second arrow representing a mirror AoA estimate of the first AoA estimate, and displays one or more notifications on the user interface instructing a user of the wireless device to move the wireless device until the direction of the first arrow is aligned with the direction of the second arrow.

Abstract: Embodiments include methods for managing component temperatures in wearable devices by a remote computing device, such as an edge server, instructing changes in wearable device component processing loads, operations or operating modes. Methods performed in a wearable device receiving data from an edge server may include obtaining a plurality of temperature measurements from a plurality of hardware components, transmitting the temperature measurements to the edge server, receiving an instruction related to operations of an application executing on the processor of the wearable device, and adjusting an operating parameter based on the received instruction.

Abstract: Disclosed are techniques for wireless communication. In an aspect, a first UE and a second UE perform a ranging procedure which includes communication of one or more ranging signals between the first UE and the second UE. The first UE obtains sensor data via a set of sensors coupled to the first UE, and transmits the sensor data to the second UE in association with the ranging procedure. The second UE determines a distance between the first UE and the second UE based on ranging measurement data associated with the one or more ranging signals and the sensor data.

Abstract: Disclosed are systems and techniques for transferring device content using radio frequency (RF) sensing. For instance, a first wireless device can identify a first user of the first wireless device based on a first radio frequency (RF) signature associated with the first user. The first wireless media device can determine a disengagement of the first user from the first wireless media device. In response to the disengagement, content information associated with usage of the first wireless device by the first user can be captured.