Abstract: The invention relates to an adapter (1) for wireless transfer of memory card contents, having a receptacle (2) for the contact piece (721) of a memory card (72) and a contact piece (3) that corresponds to that of the memory card (72), including a splitter (5) and also a transmitter (41) with series-connected antenna (42). The invention moreover relates to a method for the transfer of video and/or audio signals from portable devices (7) having a removable memory module (72) to playback equipment (9), wherein between the memory module (72) and the module slot (71) of the portable device (7) there is arranged an adapter'(1), which transfers the data flow between memory module (72) and portable device (7), without having an effect thereon, additionally wirelessly to a receiver (8) that is connected with the playback equipment (9).

Abstract: Methods and systems for wireless communication are disclosed and may comprise generating a first signal to enable transmission and/or reception of Bluetooth signals, and clocking direct digital frequency synthesizers (DDFSs) via the first signal to enable simultaneous transmission and reception of FM and NFC signals. The first signal may be generated via a Bluetooth LOGEN or PLL, and may comprise in-phase and quadrature components. The frequency of the first signal may be within the range of 2.4 GHz to 2.483 GHz, or mixed to result in a frequency within the same range. Control word inputs may be generated to control the DDFSs, and may be adjusted to compensate for changes in frequency of the first signal. Simultaneous NFC transmission and reception may be simulated by switching the control word inputs between a plurality of values in successive time intervals to perform time division duplexing, and may occur at different frequencies.

Abstract: Methods and systems for clocking FM transmit, FM receive and near field communication functions using DDFS are disclosed. Aspects of one method may include generating a Bluetooth signal that may comprise, for example, I and Q components, or Bluetooth local oscillator (LO) signals, for use in Bluetooth communication. One of the two Bluetooth LO signals may then be used by a DDFS to generate I and Q LO signals for FM reception and/or transmission. One of the I and Q LO signals for FM communication may be used by another DDFS to generate at least one LO signal for near field communication (NFC) transmission and/or reception. While the Bluetooth LO signal may vary in frequency as Bluetooth frequency hopping occurs, the FM LO signals may remain constant for a specific channel frequency. Similarly, while the FM LO signals may be changed to tune to different FM channels, the NFC LO signals may remain at a constant frequency.

Abstract: Aspects of a method and system for enabling simultaneous FM transmitter and FM receiver functions using an integrated Bluetooth Local Oscillator Generator (LOGEN). A Bluetooth® LOGEN may be utilized to generate Bluetooth® signal that comprise (I) and (Q) components for use in Bluetooth® communication. The Bluetooth® LOGEN may then be utilized by a DDFS to generate FM radio (I) and (Q) signals for FM radio reception. The Bluetooth® LOGEN may also be utilized by a second DDFS to generate FM radio (I) and (Q) signals for FM radio reception. The Bluetooth® signals may be kept at the same frequency, or reduced in frequency, for use in clocking the DDFS. A frequency word may also be utilized to clock the two DDFS. The outputs of each DDFS may be a constant frequency while the inputs to each DDFS may vary in frequency.

Abstract: Aspects of a method and system for using a Bluetooth® PLL/LO to drive FM Transmit, FM Receive, Bluetooth, and NFC functions. A Bluetooth® PLL/LO may be utilized to generate Bluetooth® signal that comprise I and Q components for use in Bluetooth® communication. The Bluetooth® signals may then be utilized by a DDFS to generate FM radio I and Q signals for FM radio reception and/or transmission. The Bluetooth® signals may also be utilized by a second DDFS to generate signals for near field communication (NFC) transmission and/or reception. The Bluetooth® signals may be kept at the same frequency, or reduced in frequency, for use in clocking the DDFS. A frequency word may also be utilized to clock the DDFS. The outputs of each DDFS may be a constant frequency while the inputs to each DDFS may vary in frequency.

Abstract: Methods and systems for collaborative coexistence of Bluetooth and WiMax are disclosed. Aspects of one method may include a packet traffic arbiter (PTA) in a mobile terminal that arbitrates among requests to transmit from one or more communication devices collocated in the mobile terminal. The communication devices may comprise, for example, a WLAN communication device, a WiMax communication device, and/or a Bluetooth communication device. The arbitration may be based on, for example, whether a packet will be received by one of the plurality of collocated communication devices at a time of transmission of the present data packet and/or a priority for data to be transmitted. An exemplary scenario may be where a Bluetooth headset may be used for communication over a WiMax voice connection. One arbitration method may comprise allowing the WiMax packet to be transmitted, and replacing the received Bluetooth packet with data indicating silence.

Abstract: Aspects of a method and system for sharing an audio processor in an integrated FM and Bluetooth system are provided. In this regard, the shared audio processor may be enabled to process Bluetooth audio signals and/or FM audio signals. The shared audio processor may enable A/D conversion, D/A conversion, and/or conversion between digital audio formats. The shared audio processor may process signals from a FM radio receiver, a Bluetooth receiver, a FM radio transmitter, and/or a Bluetooth transmitter. The shared audio processor may process analog and/or digital signals, and may process encoded signals.

Abstract: A method of connecting a Bluetooth headphone to Bluetooth communications devices includes paring; initializing the Bluetooth headphone comprising creating a table having a first column of rfcomm channel associated with the Bluetooth communications device and a second column of instance corresponding to the rfcomm channel, setting a HS or HF mode of Bluetooth, and causing the Bluetooth headphone to be ready; and connection establishment which, in one embodiment, is initiated by one Bluetooth communications device by checking data, establishing an instance associated with one Bluetooth communications device, establishing a corresponding rfcomm channel, filling the rfcomm channel and the instance in the table, and establishing a connection of one Bluetooth communications device and the Bluetooth headphone.

Abstract: There are provided a radio system and a radio communication device capable of removing a phase noise superimposed on a reception signal and a phase noise generated in the system of a reception radio unit. In this system, a radio transmission device (101) transmits a multiplex signal multiplexed so that a pilot signal is placed on the center frequency. A radio reception device (151) frequency-multiplies a reception signal by a pilot signal having the same frequency error and phase noise as the reception signal, and frequency-multiplies the phase noise contained in a local oscillation signal used when subjecting the reception signal to frequency conversion, by using the signal having the same phase noise. Thus, it is possible to remove the frequency error and phase noise contained in the reception signal and the phase noise in the reception system.

Abstract: A radio system having an improved phase noise characteristic and a thereby improved communication quality, a radio transmitter, and a radio receiver. In the radio system, a radio transmitter (101) transmits a multiplexed signal so multiplexed that a pilot signal transmitted at the center frequency.

Abstract: Aspects of a method and system for sharing a single antenna for frequency modulation (FM) transmission, FM reception and near field communication (NFC) are presented. Aspects of a system may include at least one circuit that enables, via a single antenna, simultaneous transmission of an FM signal and reception of an FM signal, and transmission of an NFC signal or reception of an NFC signal.

Abstract: Methods and systems for measuring and optimizing integrated antenna performance are disclosed and may include transmitting FM signals over a range of frequencies utilizing one or more antenna configurations. The FM transmitter may be calibrated based on a signal received by one of a plurality of wireless protocol receivers in the wireless device. The wireless device may include one or more other corresponding transmitters that utilize other wireless protocols. The transmitted FM signals may be received by a test set, which may then transmit a signal utilizing a different wireless protocol for adjusting the FM transmitter. The frequency of the transmitted FM signals may be varied utilizing a tunable oscillator, and the antenna configurations may be adjusted accordingly by impedance matching them to the FM transmitter. The FM transmitter and FM receiver and the tunable oscillator may be integrated within a single chip.

Abstract: Aspects of a method and system for transmitting multiple channels on FM bands may include generating from one or more baseband signals, a plurality of radio frequency transmission signals each at a different radio frequency, wherein the one or more baseband signals comprise an in-phase signal component and/or a quadrature signal component. Suitable combinations of the one or more baseband signals may be modulated in a radio frequency transmission chain that may comprise intermediate frequency modulation and radio frequency modulation. The suitable combinations of the one or more baseband signals may be weighted sums. The plurality of radio frequency signals may each carry distinct information. One of the plurality of radio frequency signals may be centered at a frequency f1+f2 and another one of said plurality of radio frequency signals may be centered at a frequency f1?f2, where f1 and f2 are frequencies.

Abstract: A method and system is provided processing channel information may include in a mobile FM radio system including an integrated FM radio transmitter and FM radio receiver, dynamically generating a list of local FM channels, ranking local FM channels in the generated list, and selecting one of the ranked local FM channels for use by the FM transmitter based on neighboring channel interference. The FM radio receiver may detect FM channels being transmitted or not being transmitted, detect a pilot signal or a channel transmission pause. A tuning frequency of the FM radio receiver may be adjusted for scanning and detecting the local FM channels based on knowledge of a location of the FM radio receiver, received signal strength indicator (RSSI), dynamically scanning for local FM channel based on received RDS/RDBS data or country code, and/or carrier error of a related FM signal.

Abstract: A communication system has a stratospheric platform with a payload controller and a phased array antenna having a plurality of main array elements for generating a plurality of communication beams and a plurality of auxiliary elements for canceling interference between the communication beams. A gateway station communicates with the stratospheric platform. The gateway station scales the plurality of elements to form a reconfigurable plurality of beams. The gateway station communicates an embedded control signal to the stratospheric platform to communicate a scaling of elements to form the communication beams and the auxiliary element output. The auxiliary element output is used to provide interference canceling.

Abstract: A method for controlling an output of a power amplifier of a portable communication device includes determining a power level of a signal received at the portable communication device, generating a receive reference signal (RXLEV) that is indicative of the power level of the signal received at the portable communication device, and determining whether the receive reference signal is within a threshold value window. When the receive reference signal is within the threshold value window a nominal power output of a power amplifier in the portable communication device is transmitted during a random access channel signal transmission. When the receive reference signal is below the threshold value, a power output of the power amplifier in the portable communication device is increased during the random access channel signal transmission.

Abstract: The invention concerns a method for scheduling of service data intended to be sent from a base station (BS1) over radio interfaces to a user terminal (UE1) by means of at least one control message sent from the base station (BS1) to the user terminal (UE1), whereby said at least one control message comprises or allows for a determination of at least one of the orders when the user terminal (UE1) shall perform reception of downlink data and when and under which circumstances the user terminal (UE1) shall send HARQ feedback information in upcoming transmission time intervals (TTI), a base station (BS1), a user terminal (UE1) and a communication network therefor.

Abstract: A mobile station is provided. The mobile station includes a processor programmed to promote sending a classmark change message responsive to receiving a command from a network, wherein the command requires a capability that the mobile station does not possess.

Abstract: An antenna comprising: (a) a conductive ground plane; and (b) a rod shaped monopole element having a conductive surface, oriented out from the ground plane and having a length selected for a first radio frequency band, the monopole element having a current suppressing element conductively attached and surrounding the surface of the monopole element at a location on the monopole element determined by a second frequency band higher than the first frequency band. The rod-shaped monopole element has a relatively wide cross-section such that the antenna is operable over relatively wide ranges of frequencies in one or both of the frequency bands. The antenna is for operation in the 2.4 GHz and the 5 GHz bands as used in the IEEE 802.11a,b,g standards.

Abstract: Certain aspects of a method and system for simultaneous FM transmission and FM reception using a shared antenna and a direct digital frequency synthesizer (DDFS) may be disclosed. In a FM transceiver that receives FM signals at a frequency f1 and transmits FM signals at a frequency f2, aspects of the method may include generating via a DDFS, a signal corresponding to a difference between f1 and f2 to enable simultaneous transmission and reception of FM signals via shared antenna.

Abstract: Methods and systems for auto detecting and auto switching antennas in a multi-antenna FM transmit/receive system are disclosed and may include detecting when an external antenna may be coupled to an external port of the wireless device and utilizing the external antenna for transmitting and/or receiving FM signals. The decoupling of an external antenna from an external port may be detected, which may cause the FM radio transmitter/receiver to be configured to transmit and/or receive FM signals utilizing antennas internal to the wireless device. One or more test signals, which may include AC signals, may be generated within the chip for detecting whether an external antenna may be coupled to an external port. A reflected signal from an external port may be measured and compared to a prestored value corresponding to a reflection due to an open circuit at the one or more external ports of the wireless device.

Abstract: A method and system for wireless communication using integrated clock generation for Bluetooth and FM transmit and FM receive functions may include generating a clock signal to enable transmission and/or reception of Bluetooth signals; and clocking a Direct Digital Frequency Synthesizer (DDFS) via the generated clock signal to generate one or more signals by the DDFS that enable transmission or reception of FM signals. The generated clock signals for the Bluetooth and for the FM transmit and receive functions may include an in phase and quadrature phase component. Time Division Duplex of FM transmission and reception and simultaneous FM transmission and FM reception may be simulated by switching the control frequency word at a certain rate. The DDFS may also receive control words to compensate for frequency changes in the Bluetooth LO. The FM signals reception and transmission may be controlled by a bi-directional coupler.

Abstract: Aspects of a method and system for an integrated local oscillator generator for an integrated FM radio are provided. In this regard, a FM radio receive path and/or a FM radio transmit path may utilize one or more signals which are a frequency scaled version of a generated signal. In this regard, the frequency scaling may be performed by one or more configurable frequency dividers which may be programmably controlled by a processor. The generated signal may be in the range of about 990 MHz to 1190 MHz such that harmonics of the generated signal do not interfere with coexistent wireless technologies. Additionally the frequency scaled version may be in the frequency range of about 76 MHz to 108 MHz such that FM Radio signals in a FM broadcast band may be transmitted and/or received. The frequency scaled versions of the generated signal may comprise in-phase and quadrature components and may be utilized to up-convert and/or down-convert FM radio signals.

Abstract: The present wireless transceiver includes a tuneable narrow band LNA which rejects dramatically any out of band interferers. The tuneable narrow band LNA may be operable over a wide frequency band. A loopback calibration procedure is used to control the tuneable narrow band LNA so as to produce a substantially flat gain characteristic over the band of interest.

Abstract: This disclosure describes techniques for reducing adverse effects of TX signal leakage in a full-duplex, wireless communication system. In particular, the disclosure describes techniques for reducing adverse effects of second order distortion of TX signal leakage. To reduce or eliminate second order distortion of transmit signal leakage, a wireless device squares a combined signal that carries both a desired RX signal and a TX leakage signal. For example, the device may include a device that exhibits a strong, second order nonlinearity to, in effect, square the combined signal. The device subtracts the squared signal from the output of the mixer in the receive path, canceling out at least some of the second-order distortion caused by the mixer. In this manner, the device can reduce the adverse effects of second order distortion of TX signal leakage, and thereby enhance or maintain receiver sensitivity.

Abstract: A digital citizen band system includes several powered tower units dispersed along a plurality of drive routes. A single tower unit receives digital voice data in one of the channels from a single registered vehicle digital citizen band box in the vicinity of the tower and broadcasts digital voice data to all other registered digital citizen band boxes in the vicinity of the tower using two frequencies specific to the channel in the 824 to 894 megahertz range. The two fixed frequencies specific to each channel are fixed system-wide, enabling the vehicle to travel along the drive route seamlessly switching communication from one tower unit to the next. The tower unit has a shortwave antenna and receiver to receive office emergency information that is broadcast in a special communication, and as a multiplexed overlay to communication in all channels. The user may initiate an emergency alert for broadcast using the special communication channel.

Abstract: Taught herein is a floating cable-fed information transceiver apparatus comprising a suspended object, an information transceiving device, a carrier, a power supply and a power cable line. The information transceiving device is connected to the suspended object. The power supply is disposed inside the carrier. One end of the power cable line is connected to the information transceiving device, and the other end thereof is connected to the power supply on the carrier and serves to supply power to the information transceiving device.

Abstract: Aspects of a method and system for simultaneous signal transmission on multiple selected frequencies may include generating from a single baseband signal, a plurality of radio frequency transmission signals each at a different radio frequency, wherein the single baseband signal comprises an in-phase signal component and/or a quadrature signal component. The single baseband signal, to generate said plurality of radio frequency transmission signals, may be modulated in a single radio frequency transmission chain, the radio frequency transmission chain comprising intermediate frequency modulation and radio frequency modulation. The plurality of radio frequency transmission signals may be a radio frequency signal and a corresponding image frequency signal, based on the intermediate frequency modulation and the radio frequency modulation.

Abstract: System and method for creating a time alignment analog notch. An embodiment includes a digital power amplifier coupled to an enable signal line and to a digital control bits bus, and a matching network coupled to the digital power amplifier. The matching network to provide impedance matching and the digital power amplifier to produce a current based on a value on the digital control bits bus. The digital power amplifier comprises a selection circuit and a plurality of transistors. The transistors, controlled by outputs of the selection circuit, provide a current based on the value on the digital control bits bus. The adjustment of a delay between a signal on the enable signal line and the values on the digital control bits bus creates an analog notch at about Fs/2, where Fs is a sampling frequency of a sigma-delta modulator used to modulate data provided to the digital power amplifier.

Abstract: A high-frequency circuit device is provided that achieves cost reduction and reduction in power consumption and does not require an additional high-frequency amplifier even when a transmission frequency band is newly added.

Abstract: Aspects of a method and system for calibration in an FM transceiver system with off-chip control may include, in an integrated FM system comprising an FM radio transmitter, an FM radio receiver and a common local oscillator, receiving one or more control signals that control calibration of the integrated FM system. Responsive to the one or more control signals, one or more RF carrier signals and corresponding phase-shifted versions of the generated one or more RF carrier signals may be generated via the common local oscillator. The FM radio transmitter and/or the FM radio receiver may be calibrated based on an RF calibration signal generated from the one or more RF carrier signal and/or the corresponding phase-shifted versions of the generated one or more RF carrier signals. An in-phase baseband signal component associated with the generated RF calibration signal may be zeroed.

Abstract: A radio communication apparatus enabling reduction in peak-to-average power ratio without decreasing the transmission efficiency. In this apparatus, buffer section 103 temporarily stores input data prior to peak suppression. Peak detecting section 106 detects a peak with an amplitude level not less than a threshold. Peak cut section 107 reduces the detected peak to the threshold. Switching section 109 is switched so that the peak suppressed signal is output to FFT section 114 when the peak is detected, while the peak suppressed signal is subjected to transmission processing when the peak is not detected. Based on MCS information, signal recovering section 115 eliminates a signal assigned to a subcarrier set for MCS of a high level, and as a substitute, assigns the signal prior to peak suppression stored in buffer section 103. MCS setting section 116 selects MCS based on reception quality information of a communicating party.

Abstract: Methods and apparatus for communicating precoding or beamforming information to users are disclosed. A feedback signal including a reported preceding matrix index (PMI) is received and a determination made as to the state of the feedback. Precoding rules associated with the determined state are then used to select a precoding matrix. The state information is transmitted to a wireless transmit receive unit (WTRU), which uses the state information and the precoding rules associated therewith to select the precoding matrix used to precoded a received precoded data signal.

Abstract: Embodiments of a method and apparatus for selecting coefficients of a non-linear filter are disclosed. The non-linear filter receives a transmit signal and generates a non-linear replica signal of a transmit DAC of a transceiver. The method include applying a plurality of periodic test pattern signals to inputs of the transmit DAC, wherein the periodic test pattern signals include a stream of symbols. Receive symbols are collected at an output of a receiver ADC of the transceiver resulting from the plurality of periodic test pattern signals. A non-linear map is generated that provides a value for each of n consecutive symbols input to the transmit DAC. Coefficients of the non-linear filter are selected based on the non-linear map.

Abstract: A wireless communication device including: a transmitter including two DA converter units which convert two digital signals into analog signals; a combiner which combines the analog signals; a distributor which extracts a portion of the combined signal as a feedback signal; an AD converter which converts the feedback signal; an oscillator unit which supplies clock signals to operate the DA converter units and the AD converter; a first separation unit which separates the feedback signal converted by the AD converter into two signals; and a comparator unit which compares at least one of the two digital signals that are obtained by separating the inputted digital signal, or, at least one of the two digital signals that are separately inputted, with the feedback signal separated by the first separation unit, wherein the oscillator unit controls the output clock signals based on a result of the comparison by the comparator unit.

Abstract: Briefly, in accordance with one or more embodiments, a subscriber station in sleep mode is capable of sending and/or receiving traffic during sleep mode without violating the delay requirements of best effort traffic. Moreover, a subscriber station is capable of remaining in sleep and may optionally only be awaken in the event there is data to be transmitted from the base station to the subscriber station and/or from the subscriber station to the base station. By implementing an always sleep and need based wake up arrangement, the power consumption of the subscriber station can be reduced.

Abstract: Disclosed is a frequency converter including: a passive type analog multiplier configured to output a multiplication result in a current; a buffer outputting a buffering current by buffering the current of the multiplication result; and a current-voltage converter current-voltage converting the buffering current. Alternately, disclosed is a frequency converter including: a passive type analog multiplier configured to output a multiplication result in a current; a buffer outputting a buffering current by buffering the current of the multiplication result; and an integrator integrating the buffering current to output a voltage.

Abstract: In a wireless communication system which may include a mobile device having an integrated FM radio transmitter and a FM radio receiver, a geographic location of the mobile device may be determined. A FM channel map may be determined based on the location and the FM radio transmitter may be configured for transmitting FM signals based on the FM channel map, which may include a list of ranked FM channels. The geographic location may be acquired from received RDS or RBDS signals, received GPS signals, other received wireless signals, and/or from user data. Channel spacing, channel offset and/or frequency band may be determined for the FM channel map. A frequency for transmitting FM signals via the FM radio transmitter may be selected based on the determined FM channel map. The FM radio receiver may also be configured for receiving FM signals based on the determined FM channel map.

Abstract: Aspects of a method and system for transmission or reception of FM signals utilizing a DDFS clocked by an RFID PLL are provided. In this regard, one or more signals utilized to transmit or receive FM communication may be generated by clocking a DDFS via a signal generated to enable RFID communication. The DDFS may be controlled via a control word from a processor. In this regard, the control word may determine a frequency and/or phase of the signals output by the DDFS. The control word may be switched between two or more values to generate different frequencies and/or phases in different time intervals. Additionally, the control word may be adjusted to maintain a constant phase and/or frequency in spite of changes to the signal clocking the DDFS.

Abstract: By detecting the broadcast frequency of a musical composition in radio broadcasting based on on-air information and now-on-air information being broadcast contents information, the broadcast frequency of each musical composition can be displayed on a display 26 without receiving and outputting radio broadcasting. Thereby, the user can recognize that which musical composition is frequently broadcasted. Thus, even if the user does not listen to the musical composition broadcasted in the radio broadcasting, the broadcast frequency of the musical composition can be shown to the above user.

Abstract: Aspects of a method and system for mitigating receiver saturation during simultaneous FM transmission and reception may include detecting a power of an RF signal received at an antenna. A power of one or more baseband signal components corresponding to the RF signal may be determined. A power of signals transmitted via the antenna may be controlled, based on a cost function derived from at least the detected RF signal power received and/or the determined power of the one or more baseband signal components. One or more of the baseband signal components may be an in-phase signal, a quadrature signal or both an in-phase signal and a quadrature signal associated with a same carrier frequency. In one embodiment of the invention, the radio frequency signal may be an intermediate frequency (IF) radio signal.

Abstract: Aspects of a method and system for utilizing a power source as an FM antenna for an integrated FM radio are provided. In this regard, aspects of the invention may enable reception of FM radio signals via an external component coupled to a power port of a communication device. In this regard, an external component may act as an antenna for the reception of FM radio signals. Additionally, a device may be enabled to determine whether to use a connected external component or use an antenna within the device based on the power levels of FM radio signals received via each. An inductor may be utilized in order to enhance the resonance of the external component at FM radio frequencies. Additionally, an output impedance of a device may be matched to an external component via a configurable matching network.

Abstract: A power reduction proposal for a receiver circuit that adheres to a plurality of defined states and masking logic to mask the output of the squelch receiver. Furthermore, the proposal utilizes and counters to count the various timeout conditions. Consequently, the squelch receiver consumes less power and can be either powered down or periodically enabled to allow for polling.

Abstract: A system, method, and electrical circuit comprises a LNA signal line path comprising a LNA and a first signal mixer operatively connected to the LNA. The circuit further comprises an attenuator signal line path comprising an attenuator and a second signal mixer operatively connected to the attenuator; a radio frequency (RF) power detector operatively connected to an output of each of the LNA and the attenuator, wherein the RF power detector is adapted to vary a front end power gain of the electrical circuit; and logic circuitry operatively connected to the RF power detector, wherein the logic circuitry is adapted to (i) select transmission of a signal through only one of the LNA signal line path or the attenuator signal line path, and (ii) output the selected signal.

Abstract: A method and an apparatus for frequency synthesizing are provided for a wireless communication system. In a frequency synthesizer, a phase lock loop (PLL) circuit generates a first elemental frequency based on a reference frequency and a unity frequency. A first division module then divides the first elemental frequency to generate a second elemental frequency. A second division module divides the second elemental frequency a multiple of times to generate the unity frequency and a plurality of intermediate frequencies each having an exponential ratio to the unity frequency by a power of two. A second mixer is provided to mix one of the intermediate frequencies with the unity frequency to generate a step frequency, and a first mixer mixes the step frequency with one of the first and second elemental frequencies to generate an output frequency having a variety covering all frequency bands in an Ultra-Wide-Band (UWB) spectrum.

Abstract: A signal processing circuit is disclosed which comprises: an attenuating unit that attenuates a demodulated signal acquired by detecting a received signal; a detecting unit that detects a first signal indicating intensity of the demodulated signal; and an attenuation rate setting unit that sets an attenuation rate of the attenuating unit based on the first signal, wherein the attenuation rate setting unit sets the attenuation rate of the attenuating unit depending on: at least one signal of a second signal indicating a change in an envelope curve acquired based on an intermediate frequency signal of the received signal and a third signal indicating electric field intensity acquired based on the intermediate frequency signal; and the first signal.

Abstract: In a method to support geo-location emergency services in a wireless network, a request message is transmitted from a source base station of one vendor to a target base station of another vendor. For example, the request message might be sent subsequent to a wireless unit initiating an emergency services communication, where it is desired to determine the location of the wireless unit by radiolocation, or otherwise at the network level. Upon receiving the request message, the target base station transmits a report message to the source base station, which includes a one-way transmission delay (or other propagation delay information) of the wireless unit as measured at the target base station. Communication protocols in the network are configured so that there are no automatic transmissions of propagation delay information. Instead, base stations transmit propagation delay information only upon the receipt of request messages requesting the information.

Abstract: A method for implementing charging in intelligent networks is provided, including: Step a: configuring a first paid service account as an attached account to a second paid service account, and setting an interface for invoking services and interface for deducting fees for the second paid service; Step b: when the first paid service is to be used by the first paid service account, determining whether the first paid service account is configured as an attached account to the second paid service account, if yes, invoking the interface for invoking services to authenticate the second paid service account; if it is authenticated, performing Step c; otherwise, terminating the procedure; and Step c: when the first paid service has been used by the first paid service account, calculating the fee and invoking the interface for deducting fees to deduct the fee from the second paid service account.

Abstract: Software application providers can connect to a common platform in order to offer access to and use of their applications and/or content to a global community of mobile device users through a variety of different media. The users are automatically charged via the user's billing account with the wireless network carrier to which the user subscribes. The platform can also use billing mechanisms to bill the user other than the user's wireless network carrier, such as credit cards, bank accounts, prepaid cards, web-based payment services, etc. The application provider need not have contractual agreements with any of the wireless network carriers, as billing is automatically performed by the platform through the wireless network carriers his or her behalf. In an additional aspect, an application provider must undergo authentication before uploading any media, content or application to the platform. For example, the application provider may be required to provide his mobile device number.

Abstract: The present invention relates to systems and methods that employ various mechanisms to selectively disable mobile device functionality. In general, mobile devices can be utilized to store personal and/or highly sensitive information such as bank account numbers, social security numbers, credit card numbers and the like. If the mobile device is lost or stolen, data stored within the device can be accessed by an unauthorized user; and, thus, any personal and/or highly sensitive information can be obtained. In order to mitigate unauthorized access, the subject invention provides a disabling component that communicates with the lost or stolen device to render data stored thereon inaccessible. Further, the data can be stored in local or remote locations to backup stored information, thereby creating a more robust and reliable method of storing information important to the device owner. These features provide enhancements over conventional mobile device security techniques.