Abstract: A radio frequency (RF) system is described for use in a wireless communication device. The RF system may contain power amplifiers, additional circuitry and components (e.g., gain controllers, phase shifters), and/or antennas. The RF system is described in a variety of different configurations with its functionality divided up over several single chip circuits. Using the single chip circuits simplifies assembly, reduces size, and allows for high speed RF performance demanded by fixed and mobile wireless standards. The system may use a first amplifier circuit combined with an adjacent channel leakage correction circuit so that the output of the first amplifier has the signal leakage substantially cancelled.

Abstract: A system for reducing or eliminating PIM interference in an RX signal is disclosed. The system is configured to use RX and TX signals to generate a frequency-shifted output that includes a RX carrier signal component of the RX signal, as well as first and second TX carrier signal components of the TX signal, positioned in a frequency spectrum so that a frequency spacing between the first and the second TX carrier signal components and a frequency spacing between the RX carrier signal component and a closest one of the first and the TX second carrier signal components is smaller than a frequency spacing between the first and the second TX carrier signal components in the TX signal. The system may then use the frequency-shifted output to generate an estimate of a PIM signal component in the RX signal.

Abstract: There is provided a communication device having a wireless interface (20) including a transceiver (28) and a controller (38) configured to use the transceiver when applying a first protocol, which is a Bluetooth BR/EDR protocol, and also when applying a second protocol, which is suitable for audio streaming, and to use the transceiver for a Bluetooth BR/EDR inquiry scan and/or page scan procedure for data packets sent by an external device (40), wherein the scan procedure comprises a set of N scan segments during which the transceiver is used for inquiry/page scanning, each scan segment having a start time and a frequency, wherein each scan segment is executed during idle times of the second protocol; wherein the duration of each scan segment is at least 1,0055 ms and less than 10.625 ms; wherein the set of scan segments comprises at least two different frequencies and wherein the frequency changes more often than every 1.28 sec.

Abstract: Diversity modules for processing radio frequency (RF) signals are provided herein. In certain implementations a diversity module includes a first terminal, a second terminal, a low band processing circuit that generates a low band signal based on one or more diversity signals, a mid band processing circuit that generates a mid band signal based on the one or more diversity signals and that provides the mid band signal to the second terminal, a high band processing circuit that generates a high band signal based on the one or more diversity signals, and a multi-throw switch that provides the low band signal to the first terminal in a first state and that provides the high band signal to the first terminal in a second state.

Abstract: A method of intuitively recognizing and using an integrated identification function by users by additionally displaying variable URI access menus on the existing user screen of the integrated identifier, and this is accomplished through an integrated identifier management system and a service method, which include: address servers for storing, managing and processing URIs (address) mapped to an integrated identifier and related information; a terminal for variably displaying a plurality of URI access menus on an integrated identifier user screen according to an address status (integrated identifier information, URI information, display information, and matching information) registered in the address servers; and a process for processing an integrated identification service through communication between the terminal and the address servers.

Abstract: A radio frequency receiver is provided that comprises an antenna, an RF amplifier, at least one down conversion mixer stage and a variable notch filter. The at least one down-conversion mixer stage is arranged to act on signals provided by the RF amplifier and is tuned to a tuned frequency ft which is selected from a plurality of possible tuned frequencies corresponding to a frequency of the RF signal to be received at the antenna. The variable notch filter is arranged to act on signals passing from the antenna to the RF amplifier and has a resonance frequency fr which is selected from a plurality of possible resonance frequencies such that fr=ft in where n is a whole number between 2 and 10. The variable notch filter thereby acts to attenuate signals from the antenna at said resonance frequency.

Abstract: Disclosed herein is an access control apparatus for a barrier movement system that moves a barrier. The access control apparatus includes a near field communications (NFC) module, a radiofrequency (RF) module, and a controller coupled to the NFC module and RF module. The controller is configured to read an NFC signal from an authenticated external device, via the NFC module. In response to reading the NFC signal, the controller transmits a command signal, via the RF module, that commands the barrier movement system to move the barrier.

Abstract: A reconfigurable image suppressing receiver includes a front-end amplifier, a first multi-mode circuit, a second multi-mode circuit, a wideband combining transformer, and a controller. The front-end amplifier is configured to receive a radio frequency (RF) signal from an antenna and adjust a gain of the RF signal. The first multi-mode circuit is configured to mix a first instance of the RF signal with an in-phase local oscillator signal to generate an in-phase intermediate frequency (IF) signal. The second multi-mode circuit is configured to mix a second instance of the RF signal with a quadrature local oscillator signal to generate a quadrature IF signal. The wideband combining transformer is configured to combine the in-phase IF signal and the quadrature IF signal to generate a combined IF signal. The controller is configured to adjust one or more tunable parameters associated with the combined IF signal.

Abstract: An electronic device is arranged to receive near-field communication signals and comprises: first and second antenna connection terminals and a variable shunt resistance connected between the first and second antenna connection terminals. The device further comprises a peak detector arranged to detect an amplitude of an incoming near-field communication signal across the antenna connection terminals and to produce a peak signal (Vpd) dependent on the amplitude and a comparator arranged to produce an error signal, wherein the error signal is dependent on a difference between the peak signal and a reference signal (Vrefpeak). The device also comprises an integral controller which is arranged to vary the shunt resistance in response to an integral of the error signal. Said configuration is employed for regulating the received voltage and reducing voltage swing.

Abstract: An example system includes a receptacle to house a device under test (DUT); an antenna for exchanging signals with the DUT, where at least some of the signals are for use in performing radiated testing of the DUT; and a cap configured to mate to the receptacle to form a housing to enclose the DUT. The housing is for isolating the DUT at least one of physically or electromagnetically.

Abstract: Provided is an electronic device comprising a front cover; a rear cover facing in a direction opposite to that of the front cover; and a side frame enclosing a space between the front cover and the rear cover, a side frame at least partially forming an external shape of the electronic device, the side frame comprising conductive material; a support at least partially extended from the side frame to the space, the support comprising conductive material; and a polymer member coupled to at least a portion of the support or the side frame, wherein the polymer member comprises a first area in which an adhesive member for attachment of the front cover or the rear cover is disposed and a second area extended from the first area and contacting the side frame.

Abstract: An RF module includes a switch IC having connection electrodes on a first main face and connection electrodes on a second main face; a mounting substrate which has a first mounting face at the first main face side and a second mounting face at the second main face side and in which the switch IC is mounted; signal lines for a band A, which are formed at the first mounting face side of the mounting substrate; signal lines for a band B, which are formed at the second mounting face side of the mounting substrate; a band A filter; and a band B filter. Among the band A filter and the band B filter, only the band A filter is mounted on the first mounting face and only the band B filter is mounted on the second mounting face.

Abstract: RF communications circuitry, which includes a first tunable RF filter and a first RF low noise amplifier (LNA) is disclosed. The first tunable RF filter includes a pair of weakly coupled resonators, and receives and filters a first upstream RF signal to provide a first filtered RF signal. The first RF LNA is coupled to the first tunable RF filter, and receives and amplifies an RF input signal to provide an RF output signal.

Abstract: A method of determining group delay between periodic radio frequency (RF) signals received at a narrow-band coherent receivers includes receiving a first periodic RF signal at a first coherent receiver in the frequency domain, receiving a second periodic RF signal at a second coherent receiver in the frequency domain, which is delayed with respect to the first periodic RF signal, the first and second periodic signals having the same period and carrier frequency; determining a cross-spectrum signal of the first and second periodic RF signals in the frequency domain, the cross-spectrum signal including amplitudes and phases versus frequency; calculating a slope of phase of the cross-spectrum signal at frequencies over at least a portion of a bandwidth of the cross-spectrum signal; and determining a group delay between the first and second periodic RF signals to be the slope of phase of the cross-spectrum signal.

Abstract: A smart packaging system and a smart display system and methods relating thereto are disclosed herein. In various embodiments, the packaging system may include an inner package, an outer package, and an identification tag disposed between said inner package and said outer package. Said identification tag may be a radio-frequency identification (RFID) tag, a near-field communication (NFC) identification tag, or any variation thereof. In various embodiments, the display system may include a display shelf for positively positioning a plurality of product packages, at least one near-field communication antenna, and a control system. Each of said plurality of product packages may include said identification tag. Said control system may transmit and receive product information data to and from said identification tag for each of said plurality of product packages.

Abstract: In accordance with one or more embodiments, a communication device includes an antenna array configured to receive first millimeter wave (MMW) signals from a remote device in a millimeter wave (MMW) frequency band and to transmit second millimeter wave (MMW) signals to the remote device in the MMW frequency band. A base transceiver station is configured to generate a consolidated steering matrix in accordance in a radio frequency (RF) band based on a consolidated feedback matrix in accordance with the RF band, wherein the MMW frequency band is above the RF band.

Abstract: An underwater communications network comprising a plurality of communication nodes operable to wirelessly communicate with at least one other node in the network, each node having a transceiver and an observation mechanism wherein the observation mechanism is operable to monitor signals received by the transceiver and upon reception of a first predetermined tone the observation mechanism outputs a signal operable to adjust the node from a passive operation mode to an active operation mode. Each node can be a discreet underwater device.

Abstract: A mobile terminal includes a first frame having a first side-face, a second frame moveable in a first direction or a second direction opposite to the first direction from the first frame, and having a second side-face facing the first side-face, and a slide bar positioned between the first side-face and the second side-face, and extending in the first direction, wherein the second frame moves in the first direction to convert a state of the mobile terminal from a first state in which the first frame and the second frame are overlapped with each other to a second state, and wherein the second frame moves in the second direction to convert the state from the second state to the first state. The mobile terminal reduces friction between the first and second frames through a simple slide structure, so that the state conversion between the first and second states is easy.

Abstract: The present disclosure relates to a system (100) for administering a pharmaceutical product. The system comprises a container (102) accommodating a pharmaceutical product. The container (102) comprises a wireless communication unit (112) and a memory (116) which stores an administration scheme specifically adapted to the pharmaceutical product accommodated in the container (102). The administration scheme specifies at least one administration-related parameter to be adhered to in administering the pharmaceutical product to a patient. The system further comprises a wireless communication device (104; 206; 208) configured to read the administration scheme from the memory (116) of the container (102) and to perform at least one action based on the administration scheme.

Abstract: Methods and architectures for closed loop digital pre-distortion (DPD) in a multi-stream phased array communication system include sampling outputs, from transmit antennas or dedicated analog detectors, of a plurality of RF power amplifiers operating in transmission of multi-stream transmission, correcting or normalizing the detected outputs, summing the outputs into a combined DPD feedback signal and selecting pre-distortion vectors to be used in altering the output of the PAs.