Abstract: The present invention relates to a method for assembling a self-contained audio/antenna module for a portable communication device, the method comprising the steps of incorporating, into the audio/antenna module, one or more transducers, said incorporation comprising, for at least one transducer, the steps of custom designing and implementing a membrane structure for the at least one transducer in accordance with design constrains provided by an audio/antenna module casing, and incorporating a standard, prefabricated magnetic circuit into the audio/antenna module, said magnetic circuit being adapted to displace the membrane structure of the at least one transducer in accordance with incoming audio drive signals. The invention further relates to an audio/antenna module manufactured according to the above-mentioned method.

Abstract: A transmitting/receiving circuit holds a communication at a frequency f1 by using an antenna or an antenna, and a transmitting/receiving circuit holds a communication at a frequency f2 by using an antenna. In response to a receiving signal intensity, a switching circuit connects any one of the antennas to the transmitting/receiving circuit as a selected antenna for use in communication, and connects the other antenna to a terminating circuit as a non-selected antenna. The terminating circuit connected to the non-selected antenna has an impedance that satisfies a predetermined phase condition at the frequencies f1, f2 respectively, suppresses an inter-antenna coupling between the non-selected antenna and the selected antenna and the antenna, and suppresses degradation in antenna characteristic caused due to the inter-antenna coupling between the selected antenna and the antenna.

Abstract: A frequency modulation type wireless power supply and charger system includes a power supply base unit consisting of a first microprocessor, a power circuit, a power switch driver circuit, a first resonant circuit, a first coil, a detection module and a power input interface, and a wireless power supply and charge receiver unit consisting of a secondary coil, a second resonant circuit, a rectifier filter circuit, a detection and protection module, a second microprocessor, a temperature sensor, a charging module and a power output interface and adapted for receiving electrical power from the power supply base unit wirelessly for charging an external electronic device.

Abstract: A narrow band, tunable antenna uses a series of small inductors wired in series to produce different resonant frequencies from a single antenna across a wide frequency spectrum. Radio Frequency (RF) switches are positioned in parallel with the inductors and are capable of shunting a selected inductor out of the antenna circuit thereby changing the electrical length of the antenna and consequently, the resonant frequency. The RF switch control circuitry is isolated from the RF current in the antenna.

Abstract: The present invention relates to a method of a Relay Node (RN) using a reference signal. The method includes receiving information about a Dedicated Reference Signal (DRS) which is used to demodulate a control channel via high-layer signaling from an evolved-NodeB (eNB), receiving control information through the control channel from the eNB, receiving data through a data channel from the eNB, and demodulating the control information and the data. The control information is demodulated using a DRS indicated by the information about the DRS, and the data are demodulated using a DRS indicated by the control information.

Abstract: The present invention discloses a signal reception apparatus and a method for implementation thereof. The apparatus comprises: a personal computer interface, configured to implement the communications between a personal computer and the signal reception apparatus; an antenna module, configured to receive signals of a base station; and an antenna interface, configured to implement the communications between a terminal and the signal reception apparatus, so as to provide the signals received by the antenna module to the terminal. The present invention improves the signal reception effect of the terminal.

Abstract: A receiver includes a plurality of antennas; a plurality of front end circuits producing digital signals in response to signals received on the antennas; a beamforming unit weighting and summing the digital signals to produce a first signal; a first stage including a first plurality of modems producing first bit streams in response to components of the first signal, a first plurality of signal reconstruction units producing first signal replicas in response to the first bit streams, and a first active cancellation unit weighting the first signal replicas and subtracting the weighted first signal replicas from the first signal to produce a second signal; and a second stage including a second plurality of modems producing second bit streams in response to components of the second signal, a second plurality of signal reconstruction units producing second signal replicas in response to the second bit streams, and a second active cancellation unit weighting the second signal replicas and subtracting the weighted s

Abstract: Limiting gain for simultaneously receiving first wireless signals according to a first wireless protocol and second wireless signals according to a second wireless protocol. The first signals may be received using a shared gain element. The shared gain element may be used by the first wireless protocol and the second wireless protocol. A transmission or reception of the second signals may be predicted. The transmission or reception of the second signals may be predicted for transmission or reception while receiving the first signals. Gain of the shared gain element may be limited based on the prediction.

Abstract: According to one embodiment, an information processing apparatus includes an antenna element, a first wireless communication module including a printed circuit board and a wireless communication circuit which is provided on the printed circuit board, and a second wireless communication module. A diplexer is provided on the printed circuit board of the first wireless communication module, and includes a first terminal which is connected to the antenna element via a first antenna connector provided on the printed circuit board and a first cable, a second terminal which is connected to the wireless communication circuit via a wiring pattern on the printed circuit board, and a third terminal which is connected to a second antenna connector provided on the printed circuit board. The second wireless communication module is connected to the second antenna connector via a second cable.

Abstract: A device for forming a beam of an antenna array, the device including: an antenna array having a plurality of spatially distributed elements; a processor for selectively switching said elements between first and second states wherein, in said first state, said elements are configured to receive an incoming signal; and a receiver operatively associated with said antenna array and said processor for generating a reference signal, mixing said incoming signal with a modified reference signal to generate a mixed signal and summing the mixed signal over a predetermined period to generate an accumulated signal, wherein said reference signal is modified prior to being mixed with said received signal such that said accumulated signal is indicative of the direction and magnitude of the beam of the antenna array.

Abstract: Signal detection assisted by use of moving antennae. A signal of interest may be detected in signal samples measured by a single antenna installed on a moving platform. A first sample is collected at time T1 and a second signal sample at time T2 by the single antenna. The first signal sample is treated as having been received by a first antenna mounted on the moving platform and the second signal sample is treated as having been received by a second antenna mounted on the moving platform. The samples are processed by a receiver of the first and second signal samples to detect the signal of interest.

Abstract: In an ADPLL circuit, on the basis of a gain of a digitally controlled oscillator estimated when a loop gain of a certain value is set in the loop filter and on the basis of a device parameter of the digitally controlled oscillator, the DCO gain estimation unit estimates a gain of the digitally controlled oscillator when a loop gain of another value is set in the loop filter.

Abstract: A wave-potential detector and a wave-potential radiator are provided that detect and radiate wave-potential signals having longitudinally polarized A vectors, respectively. Wave-potential receivers and transmitters incorporating the wave-potential detector and wave-potential radiator, respectively, are also provided. The wave-potential detector includes a biased plasma device, having at least a portion of its bias current that is parallel to the direction of propagation of a wave-potential signal having a longitudinally polarized A vector. Both omnidirectional and directive wave-potential radiators are provided.

Abstract: A multi-band antenna is adapted for disposing on a substrate with a ground plane and a matching circuit disposed thereon, and includes a feed-in section, a coupling section, a grounding section, a multiple-bend arm, and a conductor section. The feed-in section is connected electrically to the matching circuit. The coupling section is connected electrically to the feed-in section and is disposed spacedly from the ground plane. The grounding section is connected electrically to the ground plane. The multiple-bend arm is connected electrically to the coupling section and the grounding section and cooperates with the grounding section to form a signal path for signals in a first frequency band. The conductor section is connected electrically to the multiple-bend arm and cooperates with a portion of the multiple-bend arm to form a signal path for signals in a second frequency band.

Abstract: Methods and systems for communication via subbands in a 60 GHz distributed communication system are disclosed and may include enabling one or more antenna configurations in remote RF modules within a wireless communication device based on a measured signal characteristic. The RF modules may receive IF signals from baseband signals via one or more coaxial lines. Output RF signals may be communicated in frequency subbands via the antenna configurations with external devices. The IF signals in the coaxial lines may be tapped at taps coupled to the RF modules. The baseband signals may include video, Internet streamed, and/or data from a local data source. Frequency division duplexed signals may be communicated to a display device. Control signals may be communicated utilizing the coaxial lines. The signal characteristic may include a received signal strength indicator, and or a bit error rate. The output RF signals may include 60 GHz subband signals.

Abstract: A multi-chip antenna diversity architecture and method includes a first receiver chip that receives a first input signal from a first antenna. The first receiver chip includes a first tuner that amplifies the first input signal, a crystal operatively connected to a first crystal oscillator circuit, and a first crystal oscillator clock buffer that receives a clock signal from the first crystal oscillator circuit. A first demodulator demodulates the input signal received from the first tuner. A second receiver chip receives a second input signal from a second antenna. The second receiver chip includes a second crystal oscillator circuit, a second crystal oscillator clock buffer, a second tuner, and a second demodulator that receives diversity data from the first demodulator. The first crystal oscillator clock buffer drives the clock signal to the second crystal oscillator clock buffer, the second tuner, and the second demodulator of the second receiver chip.

Abstract: An integrated circuit transmission system includes a dielectric substrate wave guide and first and second substrate antennas. A substrate transmitter is operable to produce an radio frequency (RF) signal, the RF signal having first and second components. A micro-strip resonator filter module generates a filtered RF signal by adjusting phases of the first and second components of the RF signal via selection of one of a plurality of selectable tap points. A third substrate antenna generates a beam formed signal for transmission through the dielectric substrate wave guide, wherein the beam form signal is directed, via the filtered RF signal, to either the first substrate antenna or the second substrate antenna.

Abstract: This disclosure provides implementations of electromechanical systems resonator structures, devices, apparatus, systems, and related processes. In one aspect, a contour mode resonator device includes a first conductive layer with a plurality of first layer electrodes including a first electrode at which a first input signal can be provided and a second electrode at which a first output signal can be provided. A second conductive layer includes a plurality of second layer electrodes including a first electrode proximate the first electrode of the first conductive layer and a second electrode proximate the second electrode of the first conductive layer. A second signal can be provided at the first electrode or the second electrode of the second conductive layer to cooperate with the first input signal or the first output signal to define a differential signal. A piezoelectric layer is disposed between the first conductive layer and the second conductive layer.

Abstract: An antenna includes: a differential linear antenna that includes two antenna elements, which have a predetermined length, arranged so as to be separated from each other for to be symmetrical with respect to a line that becomes a reference and provided with voltages having opposite polarities; and a patch antenna having a flat plate shape which is arranged to be parallel to a plane, on which the differential linear antenna is arranged, and in which a feeding point is disposed in an area interposed between virtual planes that are perpendicular to the plane and pass through extended lines of the antenna elements.

Abstract: A loop directional coupler having a first waveguide, particularly a hollow, planar, or a coaxial conductor in the form of a half loop antenna having first and second antenna branches for the contact-free extraction of an incoming signal “a” on a second waveguide and a returning signal “b” on the second waveguide. The first antenna branch is connected to a first input of a first network and the second antenna branch is connected to a second input of the first network, the first network having a first power splitter at the first input and a second power splitter at the second input for dividing the signal present at each antenna branch, the first network having a first adder adding the signals of the first and second power splitters to each other, and a first subtractor subtracting the signals of the first and second power splitters from each other.

Abstract: There is provided a high-rate wireless receiving apparatus which can effectively receive a wireless signal even in a Non-Line of Sight state by using a millimeter-wave band (e.g., 60 GHz) or a THz frequency band (100 GHz or above). The high-rate wireless receiving apparatus includes an antenna receiving a high-rate wireless signal, a radio frequency processing unit processing the high-rate wireless signal received from the antenna to thereby generate a base-band signal, a base-band processing unit processing the base-band signal to thereby generate information data included in the high-rate wireless signal, and a reception information data storing unit storing the information data.

Abstract: An antenna is capable of receiving radio waves, including a monopole antenna connected to a first feeding point and formed of a first linear line; and a dipole antenna including plural linear lines connected to a second feeding point. The dipole antenna is composed of a second linear line made of plural linear lines disposed substantially equidistant from the first linear line and substantially parallel to the first linear line; and a third linear line substantially orthogonal to the second linear line. Electric currents are excited through the plural linear line forming the second linear line in directions opposite to each other. The monopole antenna is on substantially the same plane as the dipole antenna.

Abstract: A radio wave arrival angle detecting device includes: a first receiver antenna; a second receiver antenna that is located apart from the first receiver antenna by a distance less than the wavelength of the signal wave; an oscillator that outputs an oscillation wave at the same frequency as the signal wave; a first multiplier that outputs a first mixture wave by multiplying the first signal wave by the oscillation wave; a first filter that extracts a first DC component of the first mixture wave; a second multiplier that outputs a second mixture wave by multiplying the second signal wave by the oscillation wave; a second filter that extracts a second DC component of the second mixture wave; and an arrival angle calculator that calculates a phase difference between the first signal wave and the second signal wave and that calculates an arrival angle of the signal wave.

Abstract: In an antenna combining module, coupling of an inductor and individual signal lines provided in a matching circuit is prevented and minimized and isolation of lines from one another and communication performance are improved. The antenna combining module includes a duplexer DUP and a multilayer substrate. The multilayer substrate includes a reception signal line, a transmission signal line, an antenna common line, a matching line and a ground line. A wiring electrode for an inductor is inserted into the matching line from the mounting electrode for grounding up to the position where it combines with the antenna common line. The wiring electrode for the inductor wraps around the outside of a via hole filled with a conductive material of the antenna common line. The ground line is arranged between the wiring electrode for the inductor and the reception signal line, and the transmission signal line.

Abstract: The present invention allows transmission of multiple signals between masthead electronics and base housing electronics in a base station environment. At least some of the received signals from the multiple antennas are translated to being centered about different center frequencies, such that the translated signals may be combined into a composite signal including each of the received signals. The composite signal is then sent over a single feeder cable to base housing electronics, wherein the received signals are separated and processed by transceiver circuitry. Prior to being provided to the transceiver circuitry, those signals that were translated from being centered about one frequency to another may be retranslated to being centered about the original center frequency.

Abstract: An adjusting method for a smart antenna is provided. The adjusting method divides all possible reading directions of the smart antenna into a plurality of scanning directions and a plurality of idle directions by a first form. In searching for the optimal parameters of each of a plurality of communication channels, the adjusting method firstly adjusts the reading direction according to the plurality of scanning directions, and then adjusts the reading direction according to the plurality of idle directions. Further, the first form remain updated in accordance the process of searching for the optimal parameters of each of the communication channels, thus effectively saving the time spent on the full frequency scanning process. Further, the optimal parameters of each of the communication channels are recorded in a second form, so that the smart antenna is regulated according to the second form.

Abstract: A multi-band antenna is adapted for disposing on a substrate with a ground plane and a matching circuit disposed thereon, and includes a feed-in section, a coupling section, a grounding section, a multiple-bend arm, and a conductor section. The feed-in section is connected electrically to the matching circuit. The coupling section is connected electrically to the feed-in section and is disposed spacedly from the ground plane. The grounding section is connected electrically to the ground plane. The multiple-bend arm is connected electrically to the coupling section and the grounding section and cooperates with the grounding section to form a signal path for signals in a first frequency band. The conductor section is connected electrically to the multiple-bend arm and cooperates with a portion of the multiple-bend arm to form a signal path for signals in a second frequency band.

Abstract: An antenna apparatus, including: a power supply pin; a circuit substrate having a first through hole through which the power supply pin passes; and an antenna element having a second through hole which faces with the first through hole and through which the power supply pin passes, the antenna element being disposed at a distance from the circuit substrate; wherein the second through hole is formed smaller than a shaft diameter of the power supply pin and is widen by the power supply pin; and a periphery of the second through hole of the antenna element is curved to be convex toward the circuit substrate, and the power supply pin is fixedly nipped by a tip end of the periphery.

Abstract: A charge accumulation circuit having a structure in which a capacitor is divided into a plurality of pieces and the divided capacitors are connected in parallel through switches is provided. The charge accumulation circuit controls the switch provided between the capacitors and thus can dynamically vary electrostatic capacitance of the charge accumulation circuit which applies a voltage to a constant voltage circuit.

Abstract: A control device includes a first communication interface for communicating first control data with a first plurality of communication devices that utilize the millimeter wave frequency band in accordance with a first protocol, wherein the first communication interface utilizes the millimeter wave frequency band in accordance with the first protocol. A second communication interface communicates second control data with a second plurality of communication devices that utilize the millimeter wave frequency band in accordance with a second protocol, wherein the second communication interface utilizes the millimeter wave frequency band in accordance with the second protocol. A resource controller allocates resources of the millimeter wave frequency band to the first plurality of communication devices and the second plurality of communication devices based on the first control data and the second control data.

Abstract: The present invention provides an ultrathin thin film integrated circuit and a thin film integrated circuit device including the thin film integrated circuit device. Accordingly, the design of a product is not spoilt while an integrated circuit formed from a silicon wafer, which is thick and produces irregularities on the surface of the product container. The thin film integrated circuit according to the present invention includes a semiconductor film as an active region (for example a channel region in a thin film transistor), unlike an integrated circuit formed from a conventional silicon wafer. The thin film integrated circuit according to the present invention is thin enough that the design is not spoilt even when a product such as a card or a container is equipped with the thin film integrated circuit.

Abstract: Systems and methods are disclosed for an integrated air loop antenna and transformer antenna assembly that provides improved performance in receiving RF signals and AM broadcast channels, in particular. In one embodiment, an air loop antenna is coupled to a transformer to form an integrated antenna assembly. This integrated air loop antenna and transformer antenna assembly can then be connected to a radio device having antenna connections.

Abstract: A miniature variable-beam microwave antenna (1) comprises antenna conductors (100a, 100b), an EBG conductor (120), a variable reactance element (130), and an adjusting part (150). The EBG conductor (120) is connected to a grounded part (160) through the variable reactance element (130). The adjusting part (150) changes the apparent reactance of the EBG conductor (120) by changing the capacity of the variable reactance element (130). As the apparent reactance of the EBG conductor (120) changes, the directivity of the miniature variable-beam microwave antenna (1) also changes.

Abstract: A semiconductor device having an antenna, an asynchronous counter, and a circuit is provided. The antenna converts a carrier wave into an electrical signal. The asynchronous counter has a plurality of flip-flop circuits, each of which has a plurality of thin film transistors. Alternatively, each of the plurality of flip-flop circuits has a plurality of transistors each including a channel portion formed of single crystal silicon. The circuit generates a power supply voltage using the electrical signal and supplies the generated power supply voltage to the asynchronous counter.

Abstract: A communication system, apparatus and method are provided according to embodiments of the present invention. The communication system includes: a base band unit (BBU), at least two antennas and at least two radio-frequency (RF) units, where the at least two RF units are connected with the BBU respectively; and each of the antennas is connected with at least two RF units respectively, so that a signal received from a same sector by an antenna is sent to the BBU via different RF units. With the embodiments of the present invention, the reliability of RF units may be improved without increasing the hardware cost of the base station.

Abstract: A weight calculator (140) of a receiver (10) comprises an antenna weight processor (140A) and an equalization weight processor (140B). The antenna weight processor (140A) sets the initial values of antenna weights (w*1 to w*R) to an antenna weighting unit (115). The equalization weight processor (140B) calculates equalization weights (c*0 to c*M) by using an optimization algorithm in the state in which the initial values are held in the antenna weighting unit (115). The antenna weight processor (140A) calculates the antenna weights (w*1 to w*R) by using the optimization algorithm in the state in which the calculated equalization weights (c*0 to c*M) are held in a feed-forward unit (120A).

Abstract: Disclosed are a sampling circuit and a receiver having a high flexibility of the filter design and excellent characteristics for removing an interfering wave. Provided also are a sampling circuit and a receiver having a low level of the higher harmonic spurious. The sampling circuit (100) includes: a charge sampling circuit (101) which executes sampling of an input signal; and a plurality of charge sharing circuits (102-1 to 102-N) connected in parallel to the output stage of the charge sampling circuit (101). The charge sharing circuits (102-1 to 102-N) includes: a charge sharing circuit group (102) having transmission functions different from one another; a synthesis circuit (103) which is arranged at the output side of the charge sharing circuit group (102) and synthesizes the outputs of the charge sharing circuits (102-1 to 102-N); and a digital control unit (104) which outputs a control signal for controlling the operation of the charge sharing circuit group (102) and the synthesis circuit (103).

Abstract: The invention relates to an antenna system for reception of channel signals from the UHF band by a receiver, comprising an electrically small antenna. The system also comprises, connected between the port connected to the antenna and that of the receiver, an active impedance matching device controlled by command signals depending on the quality of the signal received by the receiver to compensate for the impedance variations due to the environment associated with the antenna and to reject the frequencies of interfering channels adjacent to the reception channel without interfering with the active impedance matching of the antenna.

Abstract: According to an embodiment, a receiver, system and method for channel estimation in a communications system utilizing multiple transmit antennas are provided. The receiver comprises an antenna node operable to receive a signal that includes a superposition of at least a first signal corresponding to a first sequence and a second signal corresponding to a second sequence; and a channel estimator, coupled to the antenna node, operable to correlate the received signal with at least one of the first and second sequences, to determine at least one boundary between at least two waveforms resulting from the correlation, and to calculate using the boundary and the at least two waveforms a first channel response corresponding to the first signal and a second channel response corresponding the second signal. Channel estimates are determined based on determined boundaries and may be smoothed by a Savitzky-Golay filter in the frequency domain. The variance of additive white Gaussian noise (AWGN) may also be estimated.

Abstract: There are provided a matching circuit which is less prone to impedance mismatch even with variations in pattern dimension, and a wiring board, and also a transmitter, a receiver, a transceiver, and a radar apparatus that succeed in offering stable characteristics with the installation of the matching circuit. Characteristic impedance of a first transmission line including a connection portion is varied between a reflection source including a stub portion and a bonding wire serving as a load. Impedance variation is achieved by varying a distance from the connection portion to a back conductor layer coupled thereto with respect to a distance from the stub portion and a transmission line portion to an inner conductor layer coupled to them.

Abstract: A mobile terminal and a method of operating an antenna thereof are provided. The mobile terminal includes a plurality of antennas. A resonance frequency moving unit moves a resonance frequency of at least one of the plurality of antennas. And a controller controls the resonance frequency moving unit to sustain or move a resonance frequency of the at least one antenna according to use of a plurality of antennas. Therefore, by minimizing mutual interference occurring between a plurality of antennas using a similar frequency band, a wireless communication performance can be improved.

Abstract: A method and apparatus manages resources in a wireless communication system by transmitting a multi-carrier switch command message to an access terminal instructing the access terminal to switch between a diversity mode where each antenna module of a plurality antenna modules receives a single carrier signal transmitted at a single carrier frequency and a multi-carrier mode where a first antenna module of the plurality antenna modules receives a first multi-carrier signal transmitted at a first carrier frequency and a second antenna module receives a second multi-carrier signals transmitted at a second carrier frequency.

Abstract: A reception device, which communicates with a transmission device having multiple transmission antennas, includes: at least one reception antenna which receives multiple transmission signals that are transmitted from the multiple transmission antennas by the transmission device; a Fourier transform unit which transforms the signals received by the reception antenna from a time domain into a frequency domain; a propagation channel estimating unit which calculates propagation channel estimation values by estimating propagation channels between the multiple transmission antennas and the reception antenna; and a signal detecting unit which detects the multiple transmission signals by dividing multipaths from the signals that are transformed into the frequency domain by the Fourier transform unit.

Abstract: A mobile wireless communications device may include a portable housing, a circuit board carried by the portable housing, a wireless communications circuit carried by the circuit board, and an antenna carrier frame carried by the circuit board and having a plurality of surfaces. The device may also include a flex antenna assembly carried on at least some of the plurality of surfaces of the antenna carrier frame and comprising a plurality of flexible dielectric layers, and a plurality of conductive layers between adjacent flexible dielectric layers. Moreover, the conductive layers may be electrically coupled to the communications circuit.

Abstract: The invention provides a semiconductor device with high yield by reducing an effect of variations in characteristics of a semiconductor element. Further, by reducing an effect of variations in characteristics of a semiconductor element to improve productivity, an inexpensive semiconductor device can be provided. Further, an inexpensive semiconductor device can be provided by forming a semiconductor device in a large amount over a large substrate such as a glass substrate and a flexible substrate. A semiconductor device of the invention includes a demodulation signal generating circuit and an antenna or a wire for connecting the antenna. The demodulation signal generating circuit includes a demodulation circuit and a correction circuit. The correction circuit corrects a first demodulation signal generated from the demodulation circuit and generates a second demodulation signal.

Abstract: A mobile wireless communications device may include a portable housing, a circuit board carried by the portable housing, a wireless communications circuit carried by the circuit board, and an audio circuit carried by the circuit board. The mobile wireless communications device may further include an antenna assembly including an antenna carrier frame coupled to the circuit board and defining a cavity therein, and an antenna element carried on the antenna carrier frame and having a plurality of spaced apart signal feed points coupled to the wireless communications circuit. In addition, an audio transducer may be carried within the cavity of the antenna carrier frame and coupled to the audio circuit.

Abstract: A mobile wireless communications device may include a portable housing, a circuit board carried by the portable housing and comprising a ground plane, and wireless communications circuitry carried by the circuit board. The device may also include an antenna assembly carried by the housing. The antenna assembly may include a flexible substrate, an electrically conductive antenna element on the flexible substrate and connected to the wireless communications circuitry and the ground plane, and at least one pair of floating, electrically conductive director elements on opposite sides of the flexible substrate for directing a beam pattern of the antenna element.

Abstract: Systems and methods are disclosed for the co-location of radio frequency (RF) antennas in portable devices, portable devices and their docking stations and related systems, and devices with restrictive space constraints to allow for simultaneous receive (RX) and transmit (TX) operation without degradation. The systems and methods disclosed overcome RX channel degradation, receiver performance, and other problems seen in prior solutions. More particularly, transmit and receive antennas are oriented to provide for cross-polarization of their electro-magnetic fields, are oriented to allow one or both antenna to fall within null regions of the other antenna, and/or oriented with both cross-polarization and null region considerations in mind. Other variations and implementations are also described.

Abstract: The present invention is for providing a radio terminal device having shock resistance and high rigidity capable of preventing breakage of the housing even in the case it is dropped from a hand, without the risk of deteriorating the performance of the stored antenna. The radio terminal device according to the invention comprises a printed board, a resin housing provided so as to cover one side surface of the printed board, a metal housing provided so as to cover the other side surface of the printed board, and an antenna provided on the one surface side of the printed board, wherein the resin housing and the metal housing are divided in a region elongating from the one side surface to the other side surface of the printed board.

Abstract: A spatial filtering adaptable for an interference wave that appears unsteadily can be implemented and also an interference canceling ability can be increased even in a condition that the interference wave does not steadily exist. At a time of non-active communication, the signals from a plurality of interference source radio communication devices 2 are received in advance by an interference signal receiving section 6 as the pre-process mode, then a resultant interference correlation matrix RI is stored in a storing section 7, and then an interference wave receiving antenna weight WI used to receive selectively the transmission signals from the interference source radio communication devices 2 is prepared based on the resultant interference correlation matrix RI.