Abstract: A portable object includes a near-field communication device. The communication device includes an electronic chip provided with two terminals connected to an electrical circuit including an antenna and a filter. The communication device is provided to receive and transmit at a defined frequency corresponding to the resonance frequency of the electrical circuit. The portable object includes a control element which is able to be displaced between two predefined positions, i.e. an active position in which the communication device is activated and a passive position in which the communication device is deactivated. The electrical circuit includes, furthermore, a bypass branch provided with a mechanical switch which is able to switch between an open state and a closed state in response to a displacement of the control element from one to the other of its predefined positions causing a modification in the resonance frequency of the electrical circuit.

Abstract: An apparatus and method for wireless communication. The apparatus includes processing circuitry: configured to receive a relay establishment request from a source communication device; configured to acquire historical energy information and current energy information about a candidate communication device as a relay candidate, and to determine one or more relay communication devices to be used as a relay based on the acquired information; and configured to send information about the relay establishment to the one or more relay communication devices, the source communication device, and a destination communication device.

Abstract: In some embodiments, a positioning system is configured to position a plurality of antennas about a device under test (DUT). According to one embodiment, a positioning system includes a first positioner configured to hold a DUT and to provide motion of the DUT about a first axis, and a second positioner configured to hold a first antenna and to provide motion of the first antenna about a second axis.

Abstract: A power amplifier module includes a transistor and transistor control circuitry configured to receive an internal regulator voltage and provide the internal regulator voltage to control the transistor in a stand-by mode of operation.

Abstract: The invention provides a method for implementing an operation function in a two-way radio. The method includes the steps of adapting the operation function to a wirelessly connected terminal in response to triggering of the operation function of the radio, and enabling the terminal to obtain a corresponding operation interface through adapting the operation function; receiving an operation instruction sent by the terminal, wherein the operation instruction is an operation instruction of the operation function; and executing the operation instruction, and implementing the operation function in the radio through the execution of the operation instruction. In addition, the invention provides an apparatus matching the method, and a two-way radio terminal.

Abstract: A method and system for measurement of a device under test (DUT) are provided. According to one aspect, a system includes a first positioner having a first antenna and a second positioner having a second antenna. The system also includes circuitry configured to cause the first antenna to radiate a test signal to the DUT and to implement one of a probing mode and an interference mode. The probing mode causes, for each of at least one position of the first antenna, the second antenna to receive a signal from the DUT at each of the second set of positions of the second antenna. The interfering mode causes, for each of at least one position of the first antenna, the second antenna to transmit an interfering signal to the DUT at each of the second set of positions of the second antenna.

Abstract: An apparatus and method is disclosed to receive location data identifying the current location of a vehicle. A database, storing radio device records, is then queried. Each radio device record in the database identifies a radio device (e.g., a transmitter, receiver, transceiver, transponders, etc.) and a location of the radio device using a suitable coordinate system. Radio device records associated with radio devices likely to be within communication range of the vehicle may then be retrieved from the database. These radio device records may be used to generate a radio device list that may be presented to an occupant of the vehicle.

Abstract: Embodiments of the disclosure relate to supporting cooperative transmission in massive multiple-input multiple-output (MIMO) systems, such as a wireless distribution system (WDS). A WDS includes a plurality of remote units each defining a home coverage cell. A selected remote unit can coordinate with a neighboring remote unit(s) to help mitigate inter-cell interference for a selected client device(s) located in an overlapping coverage area between the home coverage cell of the selected remote unit and a neighboring coverage cell(s) defined by the neighboring remote unit(s). The selected remote unit receives channel-data information from the selected client device(s) and forms a first radio frequency (RF) beam based on the channel-data information to distribute a downlink signal(s) to the selected client device.

Abstract: A mobile device having: a position determination device configured to determine a location of the mobile device; a transceiver configured to communicate with a transaction terminal via near field communication; a communication device configured to communicate with at least one server over internet; a memory storing a plurality of data items and a set of instructions of a mobile application; and at least one microprocessor coupled with the memory to execution the instructions of the mobile application. The mobile application is configured to: communicate the location of the mobile device, using the communication device, to the at least one server over internet; determine, via communications with the at least one server based on the location of the mobile device, an order of data items; and communicate, using the transceiver via near field communication, with the transaction terminal in accordance with the order of the data items.

Abstract: A wireless communications device may include an RF transceiver. The RF transceiver may have a first connector, an RF transceiver circuit coupled to the first connector, and a probe circuit coupled to the first connector and configured to place a DC supply voltage on the first connector. The wireless communications device may include an RF antenna assembly to be coupled with the RF transceiver. The RF antenna assembly may have a second connector configured to be mated with the first connector, an RF antenna element coupled to the second connector, and an antenna ID circuit coupled to the second connector and configured to be powered from the DC supply voltage and modulate the DC supply current indicative of an ID of the RF antenna element. The probe circuit may be configured to determine the ID of the RF antenna element based upon the modulated DC supply current.

Abstract: An analog processing subsystem is disclosed. Said subsystem comprising at least one antenna (202,302), a duplexer (202a,302a), at least one power amplifier (203a,203b), at least one mixer (204a,204b, 304a, 304b) and an interface connectable to a baseband processing subsystem. The at least one mixer (204a,204b,304a,304b) is adapted to down-convert and inphase/quadrature—IQ—demodulate a received analog radio frequency signal, received by the at least one antenna (202,302), to provide a received analog baseband signal and to IQ-modulate and up-convert a transmit analog baseband signal, to be transmitted by the at least one antenna (202, 302), to provide a transmit analog radio frequency signal. The analog processing subsystem is comprised on a single analog radio frequency processing chip (201,301) comprising a metallization on at least one side of the chip for integration of the at least one antenna (202,302).

Abstract: A method and apparatus for processing a terahertz frequency electromagnetic beam are disclosed. For example, the method receives the terahertz frequency electromagnetic beam via a metamaterial having a plurality of addressable magnetic elements, where a resonant frequency of each of the plurality of addressable magnetic elements is capable of being programmably changed via an adjustment, and activates selectively a subset of the plurality of addressable magnetic elements to manipulate the terahertz frequency electromagnetic beam.

Abstract: A predetermined process is executed in accordance with a state of a detection target which has been detected through short range communication with the detection target. In a case where a control device (100) has determined that a location of an NFC tag (30) detected by a display device (10) had changed, the control device (100) causes the display device (10) to transmit predetermined information to the communication terminal (20) via an NFC antenna (11).

Abstract: Apparatus and methods are disclosed of a membrane panel comprising a close-proximity communication antenna embedded within the membrane panel. In an example, a welding-type system includes a membrane panel with a user interface and a close-proximity communication antenna embedded within the membrane panel.

Abstract: Systems, devices, and methods for determining and establishing frequency-dependent gain compensation in wide bandwidth communication systems are disclosed. Variable frequency-dependent gain compensation circuits, or variable equalizers, have settings that configure them to establish discrete frequency-dependent gain compensation. The frequency-dependent gain compensation can include various types and levels of gain slope and/or ripple. The settings of the variable equalizers can be set by control signals established a control circuit in response to signals from an external computer. The variable equalizers are coupled to other circuits or devices and the frequency-dependent gain of the combined circuit are measured. The settings of the variable equalizer are then changed to establish an optimal frequency-dependent gain profile or frequency-dependent gain that is closest to a predetermined frequency-dependent target gain profile. The settings can then be saved in a memory or register.

Abstract: A multi-card user equipment, and service processing method and device thereof are provided. The method includes, when receiving a service request, detecting whether a data transmission channel has been established with a network, wherein a number of the established data transmission channels is less than a number of the subscriber identity cards in the multi-card user equipment; and processing a service corresponding to the service request by using the established data transmission channel. With the method, multiple cards can be provided service at the same time, while hardware cost and complexity is decreased and wireless transmission resources is saved.

Abstract: [Object] To provide a device capable of implementing an extended association procedure that enables compatibility with the existing association procedures. [Solution] Provided is a device including: a determination unit configured to determine whether transmission timing of a first frame received from a communication terminal is a first timing in an intra-body communication system; and a timing decision unit configured to decide timing to transmit a second frame to the communication terminal on the basis of a determination result by the determination unit.

Abstract: A wide band radio frequency (RF) circulator is provided. The circulator includes a first stage having four ports; and a second stage having four ports, wherein the first stage and the second stage are connected via a pair of reciprocal delay lines, and wherein each of the first stage and the second stage includes a pair of couplers.

Abstract: A method applied to a wireless Bluetooth audio communication system includes: providing an audio gateway of a first piconet to communicate with a master device in the first piconet and to transmit at least one packet of audio stream to the master device and a slave device; employing a first transceiver as the master device to receive the at least one packet of the audio stream from the audio gateway; and, employing a second transceiver as the slave device to receive the at least one packet of the audio stream from the audio gateway and to acknowledge the first transceiver whether the second transceiver has successfully received the at least one packet of the audio stream from the audio gateway.

Abstract: To facilitate spatial sharing, signaling may be used. A first node may receive one or more frame exchanges between a second node and a third node, wherein the second node is associate with the third node. The first node may then detect a spatial sharing scenario (SSS) with an overlapping basic service set (BSS) based on the received one or more frame exchanges. Also, the first node may transmit a directional poll request to at least a fourth node associated with the first node based on the detected SSS, and thereby null directional transmissions associated with the second node, the third node or both. The first node may then receive a direction poll response from the fourth node. Further, the first node may transmit one or more directional, beamformed transmissions to the fourth node simultaneously with directional, beamformed transmissions by the second node to the third node.