Abstract: A transmitter or transceiver assembly includes at least one transmitter module. The transmitter module includes a matrix of transmitter integrated circuit die and a matrix of antennas, each antenna being coupled to a respective transmitter integrated circuit die. The matrix of antennas is configured to reduce interaction between signals transmitted by respective ones of the antennas.

Abstract: A method for the dynamic configuration of a test chamber for wireless communications is provided. The method includes identifying a current test project to be performed on a test device. The test device is disposed within a test chamber for evaluating one or more interactions of the test device with a wireless communication network. The method also includes determining a test configuration of a wireless connection interface of the test chamber based on the identified current test project and then sending a control signal to the wireless connection interface to set the wireless connection interface to the test configuration. In operation, the test configuration of the wireless connection interface controls which of a plurality of wireless signals of the wireless communication network are emitted within an interior the test chamber.

Abstract: A system for sensing a proximity of a near field communication (NFC) device includes an NFC reader that communicates with a remote NFC device through load modulation. The NFC reader transmits a wireless carrier signal from an antenna, and the remote NFC device modulates such carrier signal by changing its internal impedance in order to transmit data to the NFC reader. The NFC reader has at least one antenna for receiving the modulated signal. This antenna is coupled to circuitry that measures a spectrum of the received signal and identifies a resonant frequency of the NFC device based on the measured spectrum. Such circuitry also determines the signal's amplitude at such resonant frequency and precisely estimates the distance of the remote NFC device from the reader based on such amplitude.

Abstract: A system in accordance with present embodiments includes a plurality of wearable devices and a virtual queue control system configured to maintain respective virtual queues for respective attractions and in communication with the plurality of virtual queuing attraction stations. The virtual queue control system is configured to receive communications from the plurality of virtual queuing stations and add guests to the respective virtual queues based on the communications.

Abstract: A removable module includes circuitry, a near field communication (NFC) coupler to provide a data signal to the circuitry, and a second NFC coupler to supply operating voltage to the circuitry.

Abstract: Systems for monitoring audio quality of clustered devices are presented including: a number of wireless communication devices that are physically clustered; a number of audio interface modules (AIM) each electronically paired with each of the number of wireless communication devices to form an AIM/device pair, where the number of AIMs each receives and transmits wireless audio transmissions from each of the paired number of wireless communication devices; a data bus hub electronically coupled with the number of AIMs; and an electronic computing device for receiving and analyzing data associated with the wireless audio transmissions. In some embodiments, wireless audio transmissions are either a narrowband transmission or a wideband transmission. In some embodiments, the wideband transmission is a WiFi audio transmission and the narrowband transmission is a BLUETOOTH® transmission.

Abstract: A full duplex, low latency, near field data link controls a resonant induction, wireless power transfer system for recharging batteries. In an electric vehicle embodiment, an assembly is aligned with respect to a ground assembly to receive a charging signal. The vehicle assembly includes one or more charging coils and a first full duplex inductively coupled data communication system that communicates with a ground assembly including one or more charging coils and a second fill duplex inductively coupled data communications system. The charging coils of the ground assembly and the vehicle assembly are selectively enabled based on geometric positioning of the vehicle assembly relative to the ground assembly for charging. As appropriate, the transmit/receive system of the ground assembly and/or the vehicle assembly are adjusted to be of the same type to enable communication of charging management and control data between the ground assembly and the vehicle assembly during charging.

Abstract: A full duplex system includes a first port connected to an antenna, a second port connected to a source of a signal to be transmitted via the antenna, and a third port for outputting a signal received via the antenna. The tuneable rat-race coupler includes a plurality of arms, and a variable phase shifting and attenuation circuitry in a first arm of the plurality of arms to enable cancellation at the third port of a reflected signal produced by the antenna.

Abstract: A computer device may include a memory storing instructions and processor configured to execute the instructions to receive a Subscriber Identity Module (SIM) refresh request. The processor may be further configured to identify one or more Quality of Service (QoS) classes for which, if an active communication session exists that is associated with at least one of the QoS classes, a SIM refresh should be rejected; access a database of active communication sessions associated with the UE device; determine that an active session, stored in the database of active communication sessions, is associated with at least one of the one or more QoS classes; and reject the SIM refresh request based on determining that the active session is associated with at least one of the one or more QoS classes.

Abstract: The present application provides a mobile terminal shell, a preparation method, and a mobile terminal. The mobile terminal shell comprises: a substrate made of metal; an enhanced part provided on at least a part of the surface of one side of the substrate and made of a first material; an antenna slot provided on the substrate and filled with a second material, wherein the strength of the first material is higher than the strength of the second material.

Abstract: An apparatus includes a tunable non-Foster matching network having (i) an amplification stage with an amplifier and (ii) a reference reactance coupled in parallel with the amplifier. The non-Foster matching network is configured to provide a negative reactance based on the reference reactance. The amplification stage also includes at least one adjustable circuit element configured to adjust a gain of the amplification stage and thereby adjust the negative reactance. In some cases, the amplification stage may include a common emitter amplification stage having a transistor, and the at least one adjustable circuit element may include an adjustable capacitor and/or multiple adjustable resistors in an emitter circuit of the transistor. In other cases, the amplification stage may include an operational amplifier and multiple resistors configured to set a gain of the operational amplifier, and the at least one adjustable circuit element may include at least one of the resistors.

Abstract: Systems and methods for improving communication reliability of a radio frequency system that includes an antenna integrated circuit, which includes an antenna amplifier unit that outputs a first analog electrical signal that indicates data, a transceiver integrated circuit implemented using a first semiconductor manufacturing technique, in which the transceiver integrated circuit includes a transceiver amplifier unit that outputs a second analog electrical signal that indicates the data, and a driver integrated circuit implemented using a second semiconductor manufacturing technique.

Abstract: For transmitting a secured data package from a computer system to a short-range communication device, the secured data package is transmitted from the computer system via a mobile radio network to a mobile communication apparatus. The mobile communication apparatus is placed in the communication range of the short-range communication device and receives from the short-range communication device a data read request, which includes device location information. The mobile communication apparatus determines the current location of the mobile communication apparatus. In case of correspondence of the current apparatus location with the received device location information, the mobile communication apparatus determines positive access authorization and transfers the secured data package to the short-range communication device.

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: Systems, methods, and devices are provided for compensating for distortion of a contactless communication channel. The electronic device may include a radio frequency system that itself includes antenna to transmit and receive data using near-field communication (NFC) and an NFC signal processing circuitry. The NFC signal processing circuitry may receive an NFC signal via a communication channel formed between the electronic device and another electronic device and may determine a baseband reference waveform associated with the electromagnetic NFC signal and may determine an error between a portion of the electromagnetic NFC signal and the baseband reference waveform. Furthermore, the NFC signal processing circuitry may determine whether the error is outside of an acceptable error threshold range and, in response to the error being outside of the acceptable error threshold range, train a filter response of the NFC signal processing circuitry to estimate the communication channel.

Abstract: A method applied into a controller of a Bluetooth device includes: providing a first flag and a second flag which are configured as a default value respectively; changing the first flag from the default value when the controller successfully receives the particular packet transmitted from the audio gateway; changing the second flag from the default value when the controller successfully receives an acknowledgement from a secondary device wherein a reception of the acknowledgement indicates that the secondary device successfully receives the particular packet; and transmitting an acknowledgement of a particular packet to an audio gateway when detecting that either the first flag or the second flag changes and becomes different from the default value.

Abstract: A method applied into a controller of a wireless Bluetooth device includes: providing a first flag and a second flag; asserting the first flag when the controller successfully receives the particular packet transmitted from the audio gateway; asserting the second flag when the controller successfully receives an acknowledgement from a secondary device wherein a reception of the acknowledgement indicates that the secondary device successfully receives the particular packet; and transmitting an acknowledgement of a particular packet to an audio gateway when the first flag and the second flag are asserted.

Abstract: A portable server is configured for storing content and for wireless communication with one or more clients for the wireless distribution of at least some of the stored content to one or more of the clients. The portable server is configured for wireless communication with at least one other portable server for use in providing a system for wirelessly distributing content to a plurality of clients in a local area such as a building or a vehicle and, in particular though not exclusively, an aircraft.

Abstract: A wireless communication apparatus includes a wireless communicator and a controller. The wireless communicator is configured to wirelessly communicate with other wireless communication apparatuses. The controller is configured to control the wireless communicator to broadcast transmission information, and when the wireless communicator receives a request corresponding on the transmission information from at least one of the other wireless communication apparatuses having received the transmission information during the broadcasting of the transmission information, control the wireless communicator to change transmission power of the transmission information to the other wireless communication apparatuses.

Abstract: Described is a method of setting up a plurality of quantum communications links, forming a quantum network providing provably secure communications and internet services over intercontinental distances without requiring direct line of sight communication or the intermediate use of the entanglement resource of satellites. Also described is a quantum communicator device for use in this method. Two or more quantum memory units are disposed at a first location, an entangled link is set up between at least two of the quantum memory units, at least one of the quantum memory units sharing in the entangled link is physically transported to a second location. The quantum communicator device comprises communications nodes, an optical interface to set up entanglement to other devices and storage nodes, each node in the form of a quantum memory unit capable of storing quantum information for a desired length of time, i.e. weeks or longer.