Abstract: An article (100) has a device (122), and a radio frequency identification (RFID) module (102) coupled to the device. The RFID module is programmed to receive (210) provisioning instructions from a wireless source (142), and transfer (212) to the device the provisioning instructions when said device is enabled.

Abstract: Methods and systems for auto coexistence priority selection for a SCO link are disclosed. Aspects of one method may include a first Bluetooth device communicating with a collocated WLAN device via a coexistence method. The first Bluetooth device, prior to executing a non-SCO task, which may comprise tasks that do not involve SCO packet transfer, may communicate low priority via the coexistence method if a Bluetooth SCO link is present between the first Bluetooth device and a second Bluetooth device, and if a current task being handled by the first Bluetooth device is a high priority task. If a SCO link is not present between the first and second Bluetooth devices, and if the current non-SCO task is a high priority task, the first Bluetooth device may communicate high priority via the coexistence method prior to executing the non-SCO task.

Abstract: A method controls a functional element of an ear-level device of a type including a functional element, a memory, a microphone and a speaker, each coupled to a processor. Communication between the ear-level device and a companion device, such as a mobile phone, is established. A functional element for control is selected through the user interface of the companion device. A control instruction for controlling the selected functional element is chosen using the user interface and is transmitted from the companion device to the ear-level device to provide instruction to the ear-level device to control the selected functional element in the chosen way.

Abstract: A wireless communication game system includes a plurality of mobile game apparatuses, which function as a parent device or a child device and are capable of making a communication with each other, and broadcasts from the parent device a parent device packet including a parent device PID, a user name UserName, a game name GameName, an OC flag, an E slot, a U slot, and a payload. All the parent device packets are received from the parent device existing within a communicationable range of a user's own apparatus, and the user's own apparatus creates a parent device list, and displays the parent device list on an LCD. Therefore, a user or a player of his own apparatus looks at the game name of the parent device list, for example, and operates a cross key included in an operation key so as to select one desired parent device.

Abstract: One embodiment includes a method for designating, at a first device, one of a first plurality of wireless channels as a bind channel, then transmitting a channel change request message using a second plurality of wireless channels, wherein the channel change request includes which one of the plurality of wireless channels is a designated bind channel, transmitting a bind request message using the designated bind channel, and then receiving a bind response message from a second wireless device using the designated bind channel.

Abstract: A wireless transmitter includes a first filtering unit coupled to a first cable for outputting a first DC source transmitted on the first cable, a first power converting unit for converting the first DC source into a second DC source, a second filtering unit for eliminating noise in the second DC source, a first DC blocking unit for blocking the second DC source and outputting a second frequency modulation (FM) signal, an amplifier for amplifying the second FM signal to generate a first FM signal, and a second DC blocking unit coupled to the amplifier and the first cable, for outputting the first FM signal to the first cable, such that the first FM signal is transmitted to the air through the first cable as a transmitting antenna.

Abstract: A method of allocating radio resources in a multi-carrier system is disclosed, by which a signaling message can be efficiently transmitted according to necessity of a user equipment. In a user equipment of a mobile communication system transceiving data using a plurality of subcarriers, the present invention includes the steps of if the signaling message to be transmitted is generated in the user equipment, generating a preamble sequence according to a user equipment identifier to identify the user equipment, transmitting a preamble signal including the preamble sequence and the signaling message to a base station, and receiving an acknowledgement signal for the preamble signal generated according to the user equipment identifier.

Abstract: The present disclosure generally describes methods and systems for spectrum sensing within a cognitive radio. Example methods may include but are not limited to scanning radio frequencies within an initial portion of the radio frequency spectrum and analyzing the frequencies scanned within the initial portion. Example methods may also include but are not limited to dividing the initial portion into first and second portions, and selecting one of the first and second portions for further analysis.

Abstract: A method and system for interference cancellation (IC). One aspect relates to traffic interference cancellation. Another aspect relates to joint IC for pilot, overhead and data. Another aspect relates to improved channel estimation. Another aspect relates to adaptation of transmit subchannel gains.

Abstract: Example methods use secondary scrambling codes in telecommunications networks. The secondary scrambling codes are assigned to mobile stations and channels used by mobile stations that are not adversely affected by the use of secondary scrambling codes. By assigning secondary scrambling codes additional users can utilize telecommunications networks with unique scrambling codes without reducing quality of service or increasing resource consumption. Example methods also reduce interference between mobile stations in the telecommunications networks.

Abstract: The present invention relates to a method which analysis the characteristics of the received signal and selects the best beam arrangement for a transmitter/receiver pair for a given situation in a communication system. In particular, the channel delay profile provides characteristics which help to determine and evaluate the quality of a signal link. The result of this evaluation is used for selecting the best beam arrangement.

Abstract: A method of transmit power control to allow a transmission side to execute transmit power control so that a signal to interference ratio (SIR) measured at a reception side is matched with a target SIR, the method includes digitizing a reception environment at the reception side, and setting the target SIR corresponding to an error rate of reception data for each of the reception environments; and changing the target SIR in accordance with the reception environment measured at the reception side or the reception environment selected at the reception side.

Abstract: Various cognitive communications system architectures and their corresponding Protocol Reference Models (PRMs) are disclosed. Such PRMs incorporate a Cognitive Plane in addition to conventional Data and Management Planes. The additional Cognitive Plane functionality may include, for example, spectrum sensing, spectrum management, geolocation, and security functions. The Cognitive Plane may further include a Policy Engine and a Learning and Reasoning Module. In some embodiments, Management Plane functions may be effectively combined to form a database of primitives (and their respective values) called a Management Information Base (MIB). In addition, techniques are provided by which various components of cognitive and non-cognitive, as well as mesh-enabled and non-mesh-enabled nodes in a network, inter-operate with each other. The architectures allow a Spectrum Manager (or Signal Space Manager) to combine information from various network layers (e.g.

Abstract: A radio communication device and multifunction device are provided. The radio communication device includes a radio communicating unit which receives data according to a radio communication method using one of a plurality of radio channels provided in a frequency band and changes the radio channel according to a period; a data processing unit which performs processing using the data; a communication status determining unit which determines, for each channel, whether a communication status of the radio channel is good; a ratio changing unit which changes a ratio of setting a good channel whose communication status is determined as good, and a ratio of setting a not-good channel whose communication status is determined as not-good; and a setting unit which sets either the good channel or the not-good channel as the radio channel in the radio communication method according to the ratios changed by the ratio changing unit.

Abstract: The disclosure is directed to a method, computer program product, or a mobile device configured for obtaining a mobility parameter indicative of a mobility of the mobile device. The mobility parameter may be further utilized to configure the operating state of the mobile device. The mobility parameter is obtained using a multi-sense approach, which utilizes both Received Signal Strength Indicator (RSSI) and Frequency Offset (FO) measurements. The mobility parameter is based on statistical parameters relating to the distributions of the RSSI and FO measurements. Various configurations of computer program products, mobile devices and systems are also described.

Abstract: An apparatus and method for transmitting and/or receiving data in a closed-loop multi-antenna system, the method of receiving data including: acquiring CQIs of data streams by channel estimation of a received signal; selecting at least one CQI from among the acquired CQIs; calculating a common CQI using the acquired CQIs; generating feedback information with the at least one CQI, the common CQI, and an index of a data stream with the at least one CQI; and transmitting the feedback information to a transmitter.

Abstract: A receiver and a method are described herein for reducing an amount of channel state information related to a transmit channel correlation matrix ?TX that is feedback to a transmitter. In addition, to a transmitter and a method are described herein for reconstructing the transmit channel correlation matrix ?TX using the reduced channel state feedback information received from the receiver.

Abstract: A network device includes a first feedback module and a first calibration module. The first feedback module selectively generates a first transmission schedule that is transmitted to a link partner, wherein the first transmission schedule includes a first matrix map. The first calibration module selectively transmits a first set of training signals to the link partner, receives a first set of channel state information (CSI) for the training signals from the link partner according to the first transmission schedule, and generates a first CSI matrix based on the first set of CSI and the first matrix map.

Abstract: Circuits, methods, and apparatus that provide isolation between receive and transmit circuits in a wireless transceiver. One example provides switches that can be included on an integrated circuit with at least portions of a wireless transceiver. These switches vary the impedance of transmitter and receiver circuits between a termination impedance and a high impedance by inserting or removing components in parallel with matching networks. Signal losses are minimized since these switches are shunt connected to input and output paths on the wireless circuit and are not connected directly in either signal path.

Abstract: An integrated multi-mode radio transmitter includes a multiplexor and a shared front-end. The is operable to select an IF signal of a plurality of IF signals based upon a selection signal that is indicative of a particular operational mode of the one of the plurality of IF signals. The shared front-end is coupled to receive the selected IF signal, wherein the shared front-end converts the selected IF signal into a radio frequency (RF) signal that is modulated in accordance with the particular operational mode of the one of the plurality of IF stages.

Abstract: A radio communication transceiver achieving impedance matching when the transceiver operates in an output state and an input state respectively in a manner of switching a switch includes a transformer, a switch, a power amplifier (PA), and a low noise amplifier (LNA). The transformer has a primary winding including a first endpoint and a second endpoint and a secondary winding including a first endpoint and a second endpoint. The switch has a gate, a drain, and a source, wherein the gate receives a control signal, the drain is connected to the second endpoint of the primary winding, and the source is connected to the second endpoint of the secondary winding. The PA has an output terminal connected to the first endpoint of the primary winding of the transformer. The LNA has an input terminal connected to the second endpoint of the primary winding of the transformer.

Abstract: A system includes radio communications equipment that is configured to transmit and receive communications over a number of different frequencies. The system also includes a battery configured to supply power to the radio and a power generation system configured to charge the battery. The system may further include a portable electromagnetically shielded container configured to house the radio, the battery and the power generation system and provide protection from electromagnetic radiation related damage.

Abstract: A mobile terminal including a body having a battery configured to be mounted on a cradle, a first connection port disposed at one surface of the body to be electrically connected to power supply terminals of the cradle if the body is mounted on the cradle, a second connection port disposed at another surface different from the one surface of the body to be covered by at least part of the cradle if the body is mounted on the cradle, and a power supply path for electrically connecting the battery to the first and the second connection port respectively to charge the battery if power is supplied to the first and the second connection port.

Abstract: A wireless communication unit comprises a transmitter having a power amplifier and a feedback path operably coupled to the power amplifier. The feedback path comprises a coupler for feeding back a portion of a signal to be transmitted and a detector for detecting a power level of the fed back signal. A controller provides a ramp signal to the power amplifier that controls an amplitude characteristic of the signal to be transmitted. Averaging logic is operably coupled to the detector and arranged to average the detected power level over a first period. Comparison logic is operably coupled to the averaging logic and arranged to compare the average detected power level with a reference value. The controller is operably coupled to the comparison logic and arranged to scale a ramp signal applied to the power amplifier in response to the comparison.

Abstract: A system may include a modifiable mobile device having at least two antennas coupled to fractional amplifiers, with returned power detectors. A beamformer unit provides adaptive beam shaping pattern, and a baseband processor provides beam pattern requirements, wherein the beamformer unit modifies the beam pattern requirements with return loss sampling information to shape the adaptive beam pattern so that a transmitted beam pattern minimizes transmitted power reflected back to the mobile device. A method may include regularly measuring a return power level, if output power is greater than a specific absorption rate level, comparing the return power level to a first threshold, else implementing mobile transmit diversity (MTD), and repeating. If the return power level is greater than the first threshold, implementing a MTD combined with reflection-based beamforming that modifies beam pattern requirements of the mobile device with return loss sampling information to create an adaptive beam pattern.

Abstract: A system, apparatus, method and article to manage channel prediction for a wireless communication system are described. The apparatus may include a media access control processor to perform channel prediction, and a transceiver to communicate information using the channel prediction. Other embodiments are described and claimed.

Abstract: A signal generating section 10 outputs an amplitude signal and a frequency signal by conducting a signal processing on inputted data. A regulator 31 outputs a signal that is proportional to a magnitude of the amplitude signal. The signal outputted from the regulator 31 passes through a low pass filter 41, and is inputted into a power amplifier 51. The power amplifier 51 conducts an amplitude modulation on a frequency signal on which an angle modulation is conducted by an angle modulation section 20, using a signal outputted from the low pass filter 41. A controlling section 60 controls an amount of attenuation of a radio frequency component at the low pass filter 41 based on information such as: a modulation method of the inputted data; a modulation condition of the inputted data; a reception band; an output power of a modulation signal; and a frequency of the modulation signal.

Abstract: A method for compensating signal distortions in multiple transmitting branches (3, 5; 43, 45, 46) entering a composite amplifier (1; 1?). According to the invention the method comprises the steps of: —providing (S1) one or more input signals (x) to the composite amplifier. —observing (S2) an output signal (z) from the composite amplifier (1; 1?) for each provided input signal; —deriving (S5) an error in each output signal (z) by comparing the output signal with an ideal output signal, said error being caused by said signal distortions; —deriving (S11) the individual contribution from each transmitting branch (3, 5; 43,45,46) to the error by utilizing a composite amplifier model, said composite amplifier model comprising information about the contribution from each constituent amplifier (23, 25; 103a,103b,103c) to the output signal for each provided input signal: —compensating the signal distortions in the transmitting branches (3, 5; 43,45,46) accordingly.

Abstract: The transmitter synthesizes amplitude and phase components and calibrates a delay mismatch between amplitude and phase components with high accuracy at high speed. The transmitter has: a digital-to-analog converter (DAC) and a low-pass filter (LPF) in its amplitude-signal path; and a phase modulator operable to convert up a phase component into an RF component in its phase-signal path. In an operation of delay calibration, a test input signal is supplied to a delay-calibrating unit in the amplitude-signal path, and the delay-calibrating unit provides a test input signal to DAC. Then, LPF generates a test output signal. The delay-calibrating unit detects a delay of the test output signal relative to the test input signal, calibrates an amplitude signal delay in a range from the input of the delay-calibrating unit to the output of LPF, reduces the difference between amplitude and phase signal delays of the phase modulator in the phase-signal path.

Abstract: A system including a first frequency divider, a plurality of second frequency dividers, and a control module. The first frequency divider includes a first plurality of components and is configured to divide an input frequency of an input signal to generate a first signal having a first frequency and a first phase. Each of the plurality of second frequency dividers includes a second plurality of components and is configured to divide the input frequency of the input signal to generate a second signal having the first frequency and a second phase. The control module is configured to connect the second plurality of components of one of the second frequency dividers to the first plurality of components of the first frequency divider.

Abstract: A receiving device is disclosed. The receiving device includes a receiving module and a processing module. The receiving module includes a plurality of parameters. The receiving module is used for setting the parameters according to a control signal, receiving a wireless signal according to settings of the different parameters, and outputting a first output signal and a second output signal separately. The processing module couples the receiving module and generates the control to set the parameters according the first output signal and the second output signal.

Abstract: A low noise amplifier (LNA) system with controllable linearity and noise figure versus power consumption is provided. The system comprises two control inputs for tuning. One input controls an effective transistor width, and the other input controls bias current. Changes to the effective transistor width alter a gain that is applied to a signal, and changes to the bias current alter a power consumption of the system. For more stringent signal specifications, an impedance matched inductive degeneration variation of the LNA is provided.

Abstract: An RF circuit is disclosed having a low-noise amplification (LNA) circuit and a bypass path that provides a bypass around the LNA circuit. In the amplification mode, the bypass path is open and the LNA circuit amplifies the receive signal in accordance within a power gain frequency response. During the amplification mode, the LNA circuit is tuned such that a power gain resonance frequency band of the power gain frequency response is within the receive frequency band. On the other hand, in the bypass mode, the bypass path is closed and the receive signal is not amplified but rather bypasses the LNA circuit. Also, during the bypass mode, the power gain frequency response of the LNA circuit is transposed to reduce or eliminate excessive insertion losses caused by the LNA circuit within the receive frequency band.

Abstract: A frequency modulation (FM) transmitter implemented with a delta-sigma modulator and a phase-locked loop (PLL) is described. The delta-sigma modulator receives a modulating signal (e.g., an FM stereo multiplex (MPX) signal) and provides a modulator output signal. The PLL performs frequency modulation based on the modulator output signal and provides an FM signal. The FM transmitter may further include a gain/phase compensation unit and a scaling unit. The compensation unit may compensate the modulating signal for the closed-loop response of the PLL. The scaling unit may scale the amplitude of the modulating signal based on a gain to obtain a target frequency deviation for the FM signal. The PLL may operate in a transmit mode or a receive mode, may perform frequency modulation in the transmit mode, and may provide a local oscillator (LO) signal at a fixed frequency in the receive mode.

Abstract: In a wireless communication device, circuitry selects a first frequency band for a first wireless communication and transfers a pair of radio frequency signals at the first frequency band. An antenna receives and orthogonally transmits the radio frequency signals over a first patch antenna element that is resonant at the first frequency band. The circuitry selects a second frequency band for a second wireless communication and transfers a pair of radio frequency signals at the second frequency band and including a voltage component. The antenna receives the radio frequency signals including the voltage component, couples a second patch antenna element to the first patch antenna element in response to the voltage component, and orthogonally transmits the radio frequency signals over the coupled patch antenna elements that together are resonant at the second frequency band.

Abstract: Multiple antennas used for data transmission and/or reception are also used to achieve omni-directional antenna functionality. Signals from the antennas are converted to baseband and stored. Phase shifts are applied to the stored signals to steer the effective reception beam in one of a number of directions. A process of interest (e.g., white space sensing) is applied to the beam to produce a result for the given beam direction. By scanning the beam over a number of representative directions, a spatial receiver range equivalent to that of an omni-directional antenna is achieved.

Abstract: Signal quality of a composite received signal in a radio communication network is optimized by adjusting a phase offset between received and/or transmitted signals based on signal quality parameters of the received and/or transmitted signals. The phase offset is adjusted by varying the phase offset between the received or transmitted signals such that that the composite signal is circularly, elliptically, or linearly polarized. The phase offset between the received or transmitted signals is continually adjusted based on the received signal quality parameters.

Abstract: A system includes a weighting module, a mixer module, and a frequency selective impedance (FSI). The weighting module is configured to receive an input signal having an amplitude and to generate weighted outputs. Amplitudes of the weighted outputs have ratios relative to the amplitude of the input signal. The mixer module has switches configured to receive the weighted outputs and to generate a staircase waveform when the switches are clocked by clock signals. Amplitudes of steps of the staircase waveform are based on the ratios. The FSI is configured to communicate with the switches. The switches are configured to translate an impedance of the FSI centered on a first frequency to a second frequency determined by a frequency of the clock signals.

Abstract: An agile RF tuner circuit capable of converting a wide portion of RF signal into an IF signal suitable for analog-to-digital conversion. The circuit up converts a received RF signal to a high IF signal and then down converts the high IF signal to a low IF signal. Embodiments of the RF circuit incorporate harmonic reject mixers to suppress harmonics and intermodulations typically associated with the frequency conversion process.

Abstract: A frequency divider with a twenty-five percent duty cycle is disclosed. A frequency divider may include an input configured to receive a clock signal, each cycle of the clock signal including a first phase and a second phase, a plurality of latches, and a plurality of three-state circuits wherein a first of the plurality of three-state circuits is configured to drive a first twenty-five percent duty cycle signal from within the first three-state circuit high during a first phase of a first of two clock cycles.

Abstract: Data transmitted via a combination of radio frequency RF signals using carrier aggregation CA is received, each RF signal occupying a respective RF band, the bands being arranged in two groups separated in frequency by a first frequency region, the first of the two groups occupying a wider frequency region than the second group. Inphase and quadrature components of the RF signals are filtered using a first bandpass filter bandwidth to give first bandpass filtered components and filtered using a second bandpass filter bandwidth, different from the first bandpass filter bandwidth, to give second bandpass filtered components. A reconfigurable receiver is configurable to a first mode to receive the combination of RF signals, and is also configurable to at least a second mode. A filter is configured, in different modes, to use a first or a lowpass bandpass filter bandwidth.

Abstract: An apparatus and method for demodulating an FM RF signal is presented. An Adaptive Differentiate Cross Multiply (ADCM) system in which the energy estimate of the desired on-channel RF is generated using adaptive filtering. The adaptive filter includes low pass filtering of the instantaneous energy estimate. The bandwidth of the LPF is adjusted in real time based on the received signal strength energy estimate, the periodicity of any changes in the energy estimate, AGC setting for the receiver, and/or the type of sub-audible signaling applied to the RF signal if known. After the bandwidth is set, the optimum filtered energy estimate is applied to the system to demodulate the received information free from distortion artifacts associated with IQ imbalance. A normalized signal in the ADCM system is clipped by a limiter whose clipping threshold is equal to a maximum gain of differentiators in the ADCM system.

Abstract: A power conservation scheme is provided for conserving power in an access terminal that includes a dedicated proxy circuit, a receiver/transmitter chain, and/or a baseband processor. The baseband processor is adapted to determine when a wireless communication link with an access network has been inactive for at least a threshold amount of time. If such inactivity is ascertained, the baseband processor sends a proxy request to the proxy circuit. Upon receiving such proxy request, the proxy circuit monitors a data, control, and/or paging channel on behalf of the access terminal while the baseband processor is powered down. If a signal is received for the access terminal over the monitored channel, then a wake-up signal is sent to the baseband processor to cause it to power up and monitor a data channel. Upon receiving a response from the baseband processor, the proxy circuit may stop operating as a proxy.

Abstract: According to some embodiments, an analog radio receiver circuit is configured alternatively in a full-power mode when the receiver is situated in a cradle and connected to an external power source, and in a power-saving mode when the receiver is not connected to the external power source. In the power-saving mode, a scaled-down power level is supplied to an analog radio signal processing circuit component such as an amplifier, filter, oscillator, or mixer. Scaling down the power supplied to analog circuit components allows reducing their power consumption, at the expense of degraded circuit performance (e.g. increased non-linearity and intermodulation, decreased filter selectivity). Switching between full-power and power-saving modes may be achieved by controlling the connection of internal nodes of the signal processing circuit to a power source, and/or inserting circuit components (e.g. resistors, active devices, filter poles) into the signal processing circuit.

Abstract: An apparatus for providing power and information to an electronic device housed in a first housing. The apparatus may generally comprise a coupling element, a receiver operable to wirelessly receive information, and a cable. The coupling element is housed within a second housing that is operable to be at least partially inserted into an automobile cigarette lighter socket to acquire power therefrom. The cable extends from the second housing and is operable to couple with the electronic device or a mount associated with the electronic device to provide power from the coupling element and information from the receiver to the electronic device. The cable may generally include a first portion for housing an antenna that is operable to electrically couple with the receiver and a second portion for housing one or more wires. The one or more wires are operable to provide the power and the information to the electronic device or the mount associated with the electronic device.

Abstract: A method and apparatus is disclosed that controls voice call quality by networks and maintains the optimal voice call quality in a portable terminal. The voice call quality control method includes: identifying a network, connected to the portable terminal when the portable terminal enters a voice call mode, and a value for applying voice call quality of the network; changing a value for setting voice call quality, performed in the network, by the value for applying voice call quality; and controlling voice call quality of a voice call mode in the network by the altered value for setting voice call quality.

Abstract: A network component is provided that includes a processor configured, upon the network component receiving an IMS (Internet Protocol Multimedia Subsystem) emergency call from a user equipment (UE) 110, to detect in the emergency call an indicator requesting the network component to restrict presentation of private information related to the UE 110. The processor is further configured, when the indicator is present, to transmit the emergency call without at least some of the private information to a Public Safety Answering Point (PSAP) 130.

Abstract: Described herein are systems and techniques that can coordinate priority communications for the users of one telecommunications network relative to the users of other such networks. This may be useful in emergency situations where one of the networks comprises a public services entity, which may from time to time demand priority communications in order to efficiently respond to urgent situations.

Abstract: The emergency location information gateway provides Public Safety Answering Points (PSAPs) with the capability to receive NG911-compliant (i.e., Session Initiation Protocol (SIP-based) and/or SIP-Voice over Internet Protocol (VoIP)) and other types emergency calls including embedded emergency location information and determine a physical location of a mobile or non-mobile target network device based on the embedded emergency location information. Conversely, a legacy network gateway (LGN) enables the conversion of traditional 911, and E911 calls into NG911 calls for transport and dissemination by so-called Emergency Services IP networks, or ESInets.

Abstract: A method and system for determining and verifying a location of mobile and non-mobile devices in emergency situations. The method and system provide a current physical geographic location for a mobile or non-mobile device (e.g., building address, a building floor, a room on a building floor, campus, enterprise, city, state, region, country, continent, etc.) with and without translation of location coordinates, in an emergency situation such as an accident, fire, terrorist attack, military incident, kidnapping, etc.