Abstract: Systems and methods for automated unmanned aerial vehicle recognition. A multiplicity of receivers captures RF data and transmits the RF data to at least one node device. The at least one node device comprises a signal processing engine, a detection engine, a classification engine, and a direction finding engine. The at least one node device is configured with an artificial intelligence algorithm. The detection engine and classification engine are trained to detect and classify signals from unmanned vehicles and their controllers based on processed data from the signal processing engine. The direction finding engine is operable to provide lines of bearing for detected unmanned vehicles.

Abstract: An electronic device component including a thermoset composite material is described herein. The electronic device component may be a structural component of the housing and define an exterior surface of the housing. The electronic device component may also be transparent to radio-frequency signals.

Abstract: A network of access points may be provided. Access points operating in a low power indoor (LPI) mode and access points operating in a standard power (SP or SPI) mode are identified. The access points operating in an SP or SPI mode are sorted by available frequencies and maximum power budget. For each access point in the network, a composite radio frequency (RF) density score is determined, wherein higher density scores correspond to a denser population of access points in the network. If the composite RF density score is above a determined level, the access point that supports frequencies below a threshold level and that have an effective isotropic radiated power (EiRP) above a determined level are determined as a seed candidate. At least one of the seed candidates is determined as a seed access point.

Abstract: A compact system and method for two-way communication via digital radio modes, such as FT4 and FT8, are disclosed. The system includes a multiband transceiver, protol definition files, an audio signal generator, a digital signal processor, an monopole antenna system, a ground system with a ground plane, solar power supply, and a computer interface with input and output capabilities. The system scans a predefined spectrum slice, detects digital mode signals, decodes them, and displays the results on a waterfall display. Users can input data by selecting icons or via a keyboard or microphone, with the latter employing speech-to-text conversion. A user-friendly interface allows message encoding and transmission by selecting specific options, ensuring efficient use of frequency bands licensed for amateur radio. The system is easily adaptable for use by other classes of radio operator.

Abstract: An electronic device is provided. The electronic device includes first and second housings, a memory, an application processor, a communication processor, a Radio Frequency Integrated Circuit (RFIC) connected with the communication processor, and a plurality of antennas each connected with the RFIC through a Radio Frequency Front-End (RFFE) circuit.

Abstract: Example methods and systems provide push-to-talk (PTT) functionality integrated with other functions. The PTT functionality can include a graphical interface provided by a client application. The graphical interface can display PTT groups and/or icons for individual users. Users can generate PTT group definitions in response to input to the client application. A group control input can cause PTT transmission from a client device to a group of client devices corresponding to the PTT group. PTT groups can optionally be shared through the client application or via a URL that invokes a private Web page, and recording and transcription of PTT communication can optionally be provided.

Abstract: Apparatus and methods for antenna arrays for beamforming are disclosed. In certain embodiments, a mobile device includes a front-end system including a plurality of radio frequency signal conditioning circuits, an antenna array including a plurality of controllable antennas each connected to a corresponding one of the plurality of radio frequency signal conditioning circuits, and a control circuit. The plurality of controllable antennas include a first controllable antenna including a plurality of antenna elements interconnected by a plurality of variable resistors. Additionally, the control circuit is configured to control the plurality of variable resistors to control an antenna characteristic of the first controllable antenna.

Abstract: Configuration information of DL RS measurements and reporting can be received (310). The configuration information can configure the UE to report a DL RS for DL reception and a DL RS for UL transmission, respectively, and the configuration information can include information of a plurality of DL RSs. The plurality of DL RSs can be measured (320). A first DL RS can be selected (330) for DL receptions and a second DL RS can be selected for UL transmissions based on measurements of the plurality of DL RSs. An indication of the first and second DL RSs can be reported (340).

Abstract: A method and a communication device for changing the shape of a flexible communication device is suggested. The suggested method is initiated by recognizing a request for actuating a haptic effect on the communication device. At least one property associated with the requested haptic effect, and at least one property of the communication device, where the latter is being caused by the shape of the communication device, are determined. Based on the mentioned properties, a determination is made on whether conditions, specifying requirements for reproducing the haptic effect on the communication device, are met or not. In case the mentioned conditions are not met, a modification of the shape of the device is determined, such that after such a modification the conditions are met with respect to the mentioned properties.

Abstract: An electronic device may include a transceiver, an antenna, and a front end module (FEM) coupled between the transceiver and antenna. Components on the FEM may operate on radio-frequency signals. The FEM may include a digital controller with a leakage management engine. The leakage management engine may monitor power supply voltages received by the FEM. In response to detection of a trigger condition, the leakage management engine may power off a set of the components while at least some of the FEM remains powered on. The trigger condition may be a change in the power supply voltages or a host command received from a host processor. Using the leakage management engine to power off the set of front end components may serve to minimize leakage current on the FEM, thereby maximizing battery life and shelf life for the device, without the use of bulky and expensive external load switches.

Abstract: A disclosure of the present specification provides a user equipment (UE). The UE comprises: a transceiver unit for transmitting or receiving a signal; and a processor for controlling the transceiver unit, wherein: the transceiver unit may include two transmitters; the UE may have a maximum output of 29 dBm; the processor may determine transmission power on the basis of a configured maximum power reduction (MPR); the MPR may be configured on the basis of edge RB allocations, outer RB allocations, and inner RB allocations; the MPR may be configured on the basis of DFT-s-OFDM and CP-OFDM, the MPR may be configured on the basis of Pi/2 BPSK, QPSK, 16 QAM, 64 QAM, and 256 QAM; and the transceiver unit may transmit a signal to a base station by using the two transmitters on the basis of the determined transmission power.

Abstract: Systems, methods, and apparatus for detecting UAVs in an RF environment are disclosed. An apparatus is constructed and configured for network communication with at least one camera. The at least one camera captures images of the RF environment and transmits video data to the apparatus. The apparatus receives RF data and generates FFT data based on the RF data, identifies at least one signal based on a first derivative and a second derivative of the FFT data, measures a direction from which the at least one signal is transmitted, analyzes the video data. The apparatus then identifies at least one UAV to which the at least one signal is related based on the analyzed video data, the RF data, and the direction from which the at least one signal is transmitted, and controls the at least one camera based on the analyzed video data.

Abstract: An electronic device may include a transceiver, an antenna, and a front end module (FEM) coupled between the transceiver and antenna. Components on the FEM may operate on radio-frequency signals. The FEM may include a digital controller with a leakage management engine. The leakage management engine may monitor power supply voltages received by the FEM. In response to detection of a trigger condition, the leakage management engine may power off a set of the components while at least some of the FEM remains powered on. The trigger condition may be a change in the power supply voltages or a host command received from a host processor. Using the leakage management engine to power off the set of front end components may serve to minimize leakage current on the FEM, thereby maximizing battery life and shelf life for the device, without the use of bulky and expensive external load switches.

Abstract: A clamping circuit that may be used to provide efficient and effective voltage clamping in an RF front end. The clamping circuit comprises two series coupled signal path switches and a bypass switch coupled in parallel with the series coupled signal path switches. A diode is coupled from a point between the series coupled signal path switches to a reference potential. In addition, an output selection switch within an RF front end has integrated voltage clamping to more effectively clamp the output voltage from the RF front end. Additional output clamping circuits can be used at various places along a direct gain signal path, along an attenuated gain path and along a bypass path.

Abstract: Embodiments describe systems, apparatuses, and methods for transmitting/receiving signal data to/from a plurality of transceiver modules. Devices in accordance with some embodiments can include a plurality of wireless transceiver modules, each wireless transceiver module to be communicatively coupled to a corresponding external transceiver module, one or more antennas to exchange signal data with the plurality of external transceiver modules, a radio frequency (RF) circulator, and one or more amplifiers to amplify the signal data received by the one or more antennas and signal data to be transmitted by the one or more antennas. The use of the RF circulator prevents transmitting signals that may collide with each other and cause interference with the communications.

Abstract: Systems and methods for automated unmanned aerial vehicle recognition. A multiplicity of receivers captures RF data and transmits the RF data to at least one node device. The at least one node device comprises a signal processing engine, a detection engine, a classification engine, and a direction finding engine. The at least one node device is configured with an artificial intelligence algorithm. The detection engine and classification engine are trained to detect and classify signals from unmanned vehicles and their controllers based on processed data from the signal processing engine. The direction finding engine is operable to provide lines of bearing for detected unmanned vehicles.

Abstract: A mobile device accessory comprising a base that affixes to a mobile device, and a rotating element, such as a rotary ball-bearing disc, coupled to said base allowing for the device to spin along the axis of the rotating element. The accessory may further comprise hinged or extendable arms. The accessory may further comprise a power source or motor for rotating the accessory. The accessory may further comprise a control circuit coupled to a software application capable of controlling the rotation of the spinning element.

Abstract: Systems and methods for automated unmanned aerial vehicle recognition. A multiplicity of receivers captures RF data and transmits the RF data to at least one node device. The at least one node device comprises a signal processing engine, a detection engine, a classification engine, and a direction finding engine. The at least one node device is configured with an artificial intelligence algorithm. The detection engine and classification engine are trained to detect and classify signals from unmanned vehicles and their controllers based on processed data from the signal processing engine. The direction finding engine is operable to provide lines of bearing for detected unmanned vehicles.

Abstract: A portable electronic device such as a handheld electronic device is provided. The device may have upper and lower portions. The upper portion may have clips that attach to springs on the lower portion. The device may have a housing with a bezel. A prong on the springs may ground the bezel. A vibrator mounting bracket may hold a vibrator in place within the housing. The vibrator mounting bracket may have an end that engages the housing. A threaded insert may be welded to the spring. A screw that passes through a hole in the vibrator mounting bracket may be screwed into the threaded insert to attach the vibrator to the housing. An elastomeric member may bias the vibrator towards the bracket. An acoustic module may serve as a subassembly for the device. Components such as an antenna, dock connector, microphone, and speaker may be attached to the acoustic module.

Abstract: A method of controlling transmission power for wireless communication includes obtaining detected transmission power; generating a state variable and a reward variable of a reinforcement learning model based on the detected transmission power, threshold transmission power, and a channel state; and training a reinforced learning agent based on the state variable and the reward variable to output an action variable of the reinforcement learning model representing the transmission power.