Abstract: Radio frequency (RF) circuitry is configured to separately route RF transmit signals in different RF frequency bands through one or more non-linear elements, such as switches, in order to avoid intermodulation of the RF transmit signals. One or more filters may be arranged to provide different switching paths in RF front end circuitry to ensure that RF transmit signals are not routed together through a non-linear element, thereby improving the performance of the circuitry.

Abstract: A direct conversion receiver configured to down-convert a received RF signal by using a local signal and demodulate the down-converted signal, the direct conversion receiver including: a power detector unit configured to detect a signal strength of the down-converted signal; a power determinator unit configured to determine whether the signal strength detected by the power detector unit is equal to or smaller than a previously set threshold value; and a local oscillator circuit configured to output, as the local signal, a first local signal when the power determinator unit determines that the signal strength is equal to or smaller than the threshold value, and output, as the local signal, a second local signal set to a frequency obtained by adding a previously set offset frequency to a frequency of the first local signal when the power determinator unit determines that the signal strength is larger than the threshold value.

Abstract: Communication circuitry having efficient utilization of transceiver and channel resources is described. The communication circuitry may dynamically reallocate transceiver resources assigned to protocol circuitry, such that it becomes available for other circuitry or for the interface of the transceiver circuitry. Multiplexers of the transceiver circuitry may be used in the reallocation of resources.

Abstract: A method for vehicle-to-vehicle identification and detection and a system for the same are revealed. A plurality of radio frequency (RF) communication units with different communication directions is arranged at a vehicle body. Each RF communication unit sends identification information of the vehicle to nearby vehicles in response to communication requests from the nearby vehicles. The vehicle sends communication requests to the nearby vehicles in different communication directions by antennas of the RF communication units using time-sharing polling or simultaneous communication scheme. Thus RF communication between vehicles is achieved for identification and detection of the nearby vehicles. The precise and accurate positioning of the respective vehicle within the area is achieved to support vehicle active safety control or provide data required for autonomous driving for improving driving safety.

Abstract: In accordance with one or more embodiments, a transmission device includes a receiver configured to receive an interfering signal via an antenna. A transmitter is configured to generate first electromagnetic signals conveying first data. A coupler is configured to generate first guided electromagnetic waves in response to combined electromagnetic signals, wherein the first guided electromagnetic waves propagate, without requiring an electrical return path, along a surface of a transmission medium of a distributed antenna system. A cancellation circuit is configured to generate the combined electromagnetic signals, based on the interfering signal and the first electromagnetic signals, wherein the combined electromagnetic signals mitigate interference by the interfering signal with the first guided electromagnetic waves.

Abstract: According to some implementation, a charge pump includes a boost charge pump circuit and a buck charge pump circuit sharing a common flying capacitance. In some implementations, the boost pump circuit includes an input node and a boosted-voltage output node, and the buck charge pump circuit includes the input node and a divided-voltage output node. In some implementations, the charge pump of claim 3 wherein the boosted-voltage includes 2×Vin, and the divided-voltage includes Vin/2, Vin being an input voltage at the input node. In some implementations, the boost pump circuit further includes a first holding capacitance that couples the boosted-voltage output node to a ground. In some implementations, the buck pump circuit further includes a second holding capacitance that couples the divided-voltage output node to the ground.

Abstract: Systems and methods for managing bi-directional communication between an external device (ED) and an implantable medical device (IMD) are provided. The method comprises receiving an active ED configuration and a request for communications parameters to be used with the active ED configuration. The method further comprises identifying a pre-existing configuration, from a collection of pre-existing configurations that match the active ED configuration, the collection of pre-existing configurations having an associated collection of predefined parameter sets. The method further determines a resultant parameter set from the collection of predefined parameter sets based on the pre-existing configuration identified and returns the resultant parameter set in connection with the request, the resultant parameter set to be utilized by the ED for bi-directional communication with the IMD.

Abstract: One embodiment provides an electronic device, comprising: a housing comprising a fixed pyramidal-shaped base, each side of the pyramidal-shaped base having different dimensions allowing for different viewing angles than other sides of the pyramidal-shaped base; the housing comprising a display; the housing comprising an integrated speaker; at least one sensor; and at least one processor operatively coupled to the display, integrated speaker, and at least one sensor. Other aspects are described and claimed.

Abstract: An array of antenna elements are located in relation with a plurality of pre-characterized reference detectors. At baseband frequencies, a transmit radiation pattern of the array of antenna elements is sensed with the plurality of pre-characterized reference detectors, at a plurality of phase and gain settings, to detect mismatch among two or more elements of the array of antenna elements. Phase and gain settings for the array of antenna elements are updated to correct the mismatch.

Abstract: The present technology relates to a transmitter/receiver and a transmitting/receiving method capable of suppressing deterioration of transmission efficiency during reception while maintaining transmission efficiency during transmission. A first electrode is provided close to a communication medium, a second electrode is provided in a manner facing the first electrode, and a third electrode is provided close to the communication medium together with the first electrode. A transmission circuit is connected to the first electrode and the second electrode so as to transmit a signal, and a reception circuit is connected to the first electrode and the second electrode so as to receive the signal. A switch electrically connects the second electrode to the third electrode, and an electrode control unit controls electrical connection between the second electrode and the third electrode by turning ON/OFF the switch.

Abstract: An illumination system includes a plurality of lighting fixtures, a plurality of slave devices, and an information communication terminal. Each of the plurality of slave devices includes: first wireless communication circuitry configured to receive, from each of the plurality of lighting fixtures, a signal including a MAC address of the lighting fixture, and to measure a received signal strength indication (RSSI) of the signal received; and a first controller that causes the first wireless communication circuitry to transmit the MAC address and RSSI information indicating the RSSI measured. The information communication terminal includes a second controller that makes associations between positions and MAC addresses of the plurality of lighting fixtures based on the RSSI information and position information stored in a storage.

Abstract: A linear regulator is disclosed, comprising: a transistor having a control terminal, a first main terminal being a supply terminal connected to a supply input, and a second main terminal being an output terminal configured to provide a regulated output at an output connection; an error amplifier having a reference input, a feedback input and an output connected to the control terminal; a reference current source; a reference circuit configured to provide a reference voltage to the reference input from the reference current source; and a feedback circuit from the second main terminal through a feedback resistance (Rfb) and configured to provide a feedback voltage to the feedback input of the error amplifier; wherein the feedback circuit and the reference circuit include a common resistance (Rtail, Rd3), and at least one of the reference circuit and the reference circuit comprises a capacitive path (Cref) to a ground.

Abstract: A power compensator for use in a cellular communication base station includes a voltage booster and an adaptive voltage boost controller. The voltage booster is coupled between a first port and a second port to apply a voltage boost to a power signal to generate a compensated power signal that is provided to a remote radio unit (RRU) of the base station. The adaptive voltage boost controller is configured to control the voltage boost applied by the voltage booster to compensate for a voltage loss across the power cable between the power compensator and the RRU. In operation, the adaptive voltage boost controller determines a value of the voltage boost to be applied by the voltage booster based on temperature data and electrical current sample data. The adaptive voltage boost controller then sends a control signal to the voltage booster to adjust the voltage boost based on the determined value.

Abstract: A front end module includes a transmitter path network coupled to an antenna and a transmitter, and includes a first selectable matching network. The front end module further includes a receiver path network coupled to the antenna and a receiver. The receiver path network is a second selectable matching network.

Abstract: The present invention relates to various embodiments of a Radio-Frequency (RF) front-end for use in a receiver, a diversity receiver and a method for operating a diversity receiver.

Abstract: A housing, a method for manufacturing the housing, and a mobile terminal are provided. The method includes: manufacturing a housing made of shielding material and having a first surface and a second surface opposite to the first surface; defining at least one slot in the housing, wherein the at least one slot has a depth less than a thickness of the housing and has an opening in the first surface and a bottom opposite to the opening; filling the at least one slot with first non-shielding material; and removing at least a portion of the housing which is located between the bottom of the at least one slot and a portion of the second surface opposite to the bottom of the at least one slot, such that the at least one slot penetrates through the housing in the thickness direction of the housing.

Abstract: A phased array antenna system having a plurality of antenna elements arranged into an array is disclosed. Each of a plurality of amplifier circuitries has an output terminal coupled to a corresponding one of the plurality of antenna elements and includes a power amplifier having a control terminal coupled to an input terminal. The power amplifier has a first current terminal coupled to the output terminal and a second current terminal coupled to a fixed voltage node. Further included in each of the plurality of amplifier circuitries is a current limiter having a bias terminal coupled to the control terminal of the power amplifier to adjust a bias point of the power amplifier to limit current flowing through the first current terminal and the second current terminal to within a predetermined current range. Some embodiments also include a voltage limiter to limit voltage amplitude at the output terminal.

Abstract: Methods of operating a short-range Radio Frequency (RF) device are provided. The methods may include transmitting identification information that identifies the short-range RF device and/or sensor information generated by a sensor associated with the short-range RF device, using a short-range RF communication protocol. The methods may include receiving a command, responsive to the identification information and/or the sensor information, from a server via a first device using the short-range RF communication protocol to control a second device associated with the short-range RF device. Related devices are also provided.

Abstract: A housing, a method for manufacturing the housing, and a mobile terminal having the housing include a substrate including a metal area, a slot defined in the metal area of the substrate and penetrating through the substrate, and a filling layer received in the slot and including an insulating layer and a paint layer on the insulating layer.

Abstract: A circuit includes first and second operational amplifiers, each including positive and negative inputs and first and second internal nodes. A mixer couples first and second input nodes to the positive and negative inputs of the operational amplifiers. The mixer switches the first and second input nodes between the positive and negative inputs of the first and second operational amplifiers in accordance with clock signals. A first cancellation capacitor couples to the first input node, and a second cancellation capacitor couple to the second input node. First and second switches selectively couple the first cancellation capacitor to the first and second internal nodes, respectively, of the first operational amplifier. Third and fourth switches selectively couple the second cancellation capacitor to the first and second internal nodes, respectively, of the second operational amplifier.