Abstract: The disclosed system for testing a massive MIMO beamforming antenna array of arbitrary size includes an anechoic chamber, and a mount for a MIMO array antenna positioned in the chamber, wherein the array has at least 8×4 antenna elements that are individually activated to steer transmissions from the array. The system includes dual element antenna probes positionable in the anechoic chamber, with feeds coupling one or more UE sources to the antenna probes; and the UE sources generate RF in OTA communication with the array, emulating multiple UE devices. Additionally the system includes base station electronics coupled to the array, and a test controller coupled to the base station electronics. The test controller signals the UE sources OTA via the array to invoke a connection to the UE sources and measure OTA channel performance between the array and the multiple UE devices emulated, the performance including at least throughput.

Abstract: A multiplexer includes a common terminal, a reception terminal, and transmission terminals; a reception filter between the common terminal and the reception terminal; a transmission filter between the common terminal and the transmission terminal; a transmission filter between the common terminal and the transmission terminal; a first inductor connected in series between the common terminal and the reception filter; a second inductor connected between the transmission terminal and the transmission filter; and a third inductor connected between the transmission terminal and the transmission filter. The first inductor and the second inductor couple with each other through a magnetic field, and the first inductor and the third inductor couple with each other through a magnetic field.

Abstract: Some embodiments of the disclosure disclose a method and apparatus for adjusting volume of an accepted session on a mobile communication terminal. The method includes: determining, by the mobile communication terminal transmitting a delivered session, a volume decibel value of the delivered session, and a volume decibel level corresponding thereto; and upon reception of an accepted session, adjusting the volume decibel value of the accepted session to a corresponding target volume decibel value according to a preset mapping relationship between the volume decibel level of the delivered session and the target volume decibel value of the accepted session.

Abstract: The disclosure relates to technology for a fully differential adjustable gain device that includes differential input terminals, differential output terminals, fully differential signal processing circuitry, and first and second cross-coupled segments. The first cross-coupled segment is coupled between differential input terminals of the fully differential adjustable gain device and a negative input of the fully differential signal processing circuitry. The second cross-coupled segment is coupled between differential input terminals of the fully differential adjustable gain device and a positive input of the fully differential signal processing circuitry.

Abstract: The present disclosure relates to a method, device and storage medium for controlling a screen state. The method includes: transmitting an ultrasonic transmission-signal for N times within a preset time period when detecting that an ultrasonic sensing function of the terminal is enabled, N being an integer greater than 1; receiving an ultrasonic receipt signal; generating N determination results of whether the terminal is covered, wherein each of the N determination results is based on one of the N times transmission of the ultrasonic transmission-signal and receipt of the corresponding ultrasonic receipt signal; and determining that the terminal is covered and switching the screen state of the terminal from a turn-on state to a turn-off state, when at least one of the N determination results indicates that the terminal is covered.

Abstract: A direct conversion radio frequency receiver comprising: a clock generator to provide a first clock signal and a second clock signal; a first node; a second node; a zero-intermediate frequency (zero-IF) mixer coupled to the first and second nodes, clocked by the first and second clock signals, and comprising a first transimpedance amplifier and a second transimpedance amplifier to provide a direct-conversion voltage; a current injector, coupled to the first and second nodes, configurable to inject into the first and second nodes a common mode current or a differential mode current; and a controller, coupled to the zero-IF mixer and the current injector, to adjust at least one of the first and second transimpedance amplifiers based on the direct-conversion voltage when the current injector is to inject the common mode current.

Abstract: Computing resource service providers may provide computing resources to customers in a multi-tenant environment. These computing resources may be behind a firewall or other security device such that certain information does not reach the computing resources provided to the customer. A logging entity may be implemented on computer server operated by the computing resource service provider. The logging entity may obtain log information from the firewall or other security device and store the log information such that it is accessible to the customer. Additionally, the log information may be provided to other services such as a metrics service or intrusion detection service.

Abstract: Devices, systems, and method are provided for wireless coded communication (WCC) devices, which are configured for wireless communication with other devices, e.g., over a network. A WCC device is a type of internet of things (IOT) device that can sense data, process data, send data, respond to data requests and exchange data with other WCC device, a network device, a user device, and/or systems over the internet. In some configurations, a WCC device may include a power source that enables usage of low power, e.g., to send data that is sensed, request data and/or communicate data wirelessly. WCC devices maybe function as standalone devices or may be integrated into other devices. In some configurations, a WCC device may include power harvesting circuitry, including power harvesting user controls. A WCC device may be pre-configured or coded to report occurrence of an event, log an event, log state, cause an action, send a message or request data from one or more end nodes.

Abstract: A near field communications (NFC) device includes a receiving module and a transmitting module. The receiving module includes a receiver receiving an analog signal that includes a carrier signal and data, an analog-to-digital converter converting the analog signal to a digital signal, and a filter filtering the digital signal. The transmitting module includes a direct current-direct current (DC-DC) converter having an operating frequency belonging to a stop band of the filter, and a transmitter receiving power from the DC-DC converter and receiving a system clock signal.

Abstract: The present invention relates to an IoT (Internet of Things) device, a mobile terminal, a method of pairing the IoT device using the mobile terminal, and a control method. According to one embodiment of the present invention, the method includes the steps of, when an IoT device contacted with at least one side of the mobile terminal is recognized, generating a vibration using a designated vibration pattern, receiving vibration pattern information from the IoT device, and when the received vibration pattern information is identical to the designated vibration pattern, performing paring with the IoT device. According to the embodiments of the present invention, a user can intuitively perform pairing between the mobile terminal and the IoT device through the paring method between the mobile terminal and the IoT device.

Abstract: An apparatus for suppressing an intermodulation distortion component in a reception signal executes acquisition to acquire a plurality of transmission signals transmitted at frequencies different from each other, executes reception to receive a reception signal including an intermodulation distortion component caused by the plurality of transmission signals, executes generation to generate a replica of the intermodulation distortion component according to the plurality of transmission signals, executes normalization to normalize the reception signal so that the reception signal has certain amplitude, executes calculation to calculate a correlation value between the normalized reception signal and the replica, executes adjustment to adjust delay in the replica relative to the reception signal according to the correlation value, and executes combination to combine the replica for which the delay is adjusted with the reception signal.

Abstract: An example mobile computing device includes a display, a housing coupled to the display, and a graphical indicator. The housing includes a chamber, an antenna to communicate with a wireless network, and an exterior antenna region. The graphical indicator identifies the exterior antenna region on the housing and a signal strength of a connection to the wireless network.

Abstract: In certain aspects, a circuit comprises a low noise amplifier (LNA) configured to receive a radio frequency (RF) signal, a first mixer coupled to the low noise amplifier (LNA), and a first trans-impedance filter coupled to the first mixer. The first trans-impedance filter comprises a tunable inductor and capacitor (LC) network configured to be a portion of a doubly terminated LC ladder filter and a trans-impedance amplifier (TIA) coupled to the tunable inductor and capacitor (LC) network. The circuit further comprises a second mixer coupled to the low noise amplifier (LNA) and a second trans-impedance filter coupled to the second mixer.

Abstract: A system for lighting control including a monitor device, and a lighting system component configured as a luminaire or as a lighting control device for controlling a luminaire. The monitor device includes a wireless radio communication interface system configured for wireless communication over a diagnostic band, and a processor. The lighting system component includes a wireless radio communication interface system configured for wireless communication over the diagnostic band and a separate wireless lighting control network communication band, and a processor configured to obtain diagnostic data about the lighting system component, and transmit via the wireless radio communication interface over the diagnostic band, the diagnostic data to the monitor device.

Abstract: A computer implemented method for use of encrypted identity on a QR code encoded onto a permanent medium. The system includes mechanism to generate the encrypted identity into a QR code. Also, at patient authentication, the encrypted identity in QR code is read through a custom application. The custom application decrypts the double encrypted global ID using the application encryption key. The server decrypts the application decrypted ID using the server key and date of the encryption. The decrypted global ID is then used to match with the patient information.

Abstract: An apparatus, comprising has an array of power amplifiers. A power detector collects a power signal applied to the array of power amplifiers. Digital logic is connected to the array of power amplifiers and the power detector. The digital logic is configured to evaluate the power signal and select an array pattern from a set of array patterns and generate a control signal to implement the array pattern on the array of power amplifiers. Each array pattern in the set of array patterns includes at least one operative power amplifier.

Abstract: In one implementation, the present invention is directed to a method for controlling access to a software application using one or more processors configured by code, the method comprising repeating a usage verification cycle continually during a usage session of the software application, wherein each repetition of the usage verification cycle includes receiving a digital image of an access area used to access the software application, identifying a representation of one or more persons in the digital image, estimating an age of each one of the persons within the digital image, and comparing the estimated age of each one of the persons within the digital image to a predetermined age value provided in a usage policy dataset associated with at least of one of the persons within the digital image.

Abstract: Apparatus and methods for radio frequency emissions testing based on harmonic beamforming are provided herein. In certain configurations, a method of emissions testing of cellular communication assemblies for emissions compliance is provided. The method includes transmitting a signal beam using an antenna array of a respective cellular communication assembly after manufacture thereof, the signal beam including a fundamental lobe and one or more harmonic lobes. The method further includes determining one or more testing locations of the signal beam based on detecting a direction of the fundamental lobe using test equipment, the testing locations corresponding to locations associated with the harmonic lobes. The method further includes evaluating a level of harmonic emissions at each of the one or more testing locations using the test equipment to establish whether or not the respective cellular communication assembly complies with emissions testing.

Abstract: Method for providing a way to verify the integrity of a document. The invention is characterized in that the method comprises the following steps: a) publishing the document with a visibly embedded piece of information; b) providing a communication channel over which a third party can send a depiction of the published document to the central server; c) accepting said depiction of the published document in the central server, and finding, in the central server and based upon the piece of information, the document; and d) if the document was found in the central server, communicating to the third party that document itself and/or information pertinent to that document. The invention further relate to a system for performing such a method.

Abstract: A radio connection apparatus configured for use with a radio comprising an accessory connector arrangement is provided. The design includes a radio connector comprising physical radio interconnection hardware configured to fit with and physically fixedly join with the radio and a pouch connector including a pouch connector plug configured to fit with and physically fixedly interconnect with a connector formed within a radio pouch such that physical removal of the radio from the radio pouch causes a corresponding physical removal of the pouch connector from the connector formed within the radio pouch. The radio connector and pouch connector electrically interconnect with a processing device such that signals are transmitted between the radio and the processing device.