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| Application No. | Application Title | Issue Date |
| 20120106402 | POLAR MODULATOR A polar modulator of the present invention includes: a first function block which generates an amplitude signal and a phase signal; a second function block which adjusts the signal delay between the amplitude signal and the phase signal; a third function block which all... | 05/03/2012 |
| 20120082265 | AMPLITUDE CONTROL CIRCUIT, POLAR MODULATION TRANSMISSION CIRCUIT, AND POLAR MODULATION METHOD A reference voltage adjustment unit (212) calculates gain from a DA converter (121) to an offset calculating unit (123) by detecting the output of the offset calculating unit (123), adjusts the reference voltage (V3) from a reference v... | 04/05/2012 |
| 20120045022 | METHOD AND CIRCUIT FOR AMPLITUDE MODULATION OF A CARRIER SIGNAL WITH A SPECIFIED MODULATION FACTOR An amplitude of a carrier signal at an output of an impedance matching block is measured as a first amplitude value. A value of the signal amplitude at the output of the impedance matching block is calculated as a second amplitude value that a signal resulting from ampl... | 02/23/2012 |
| 20120045009 | TRANSMISSION DEVICE FOR GENERATING AN ANALOG MODULATED PULSE TRAIN AND FOR TRANSMITTING THE SAME AND A RECEIVING DEVICE FOR RECEIVING A RESPECTIVE SIGNAL The present invention relates to a transmitting device and to a receiving device. In particular, it relates to a transmitting device for producing an analogue modulated pulse train and for emitting the same, comprising a pulse generator (1), with which a pulse tr... | 02/23/2012 |
| 20120033719 | TRANSMITTER AND CONTROL METHOD FOR TRANSMITTING AND CALIBRATING A PHASE SIGNAL AND AN AMPLITUDE SIGNAL A transmitter for transmitting and calibrating a phase signal and an amplitude signal. The transmitter comprises a phase modulation path, an amplitude modulation path, and a control unit. The phase modulation path transmits the phase signal. The amplitude modulation pat... | 02/09/2012 |
| 20120027127 | AMPLIFIER An amplifier includes a separating unit, a generator, first to fourth switching amplifiers, and an outputting unit. The separating unit separates a pulse signal into a first separated pulse signal and a second separated pulse signal. The generator generates first to fou... | 02/02/2012 |
| 20120027051 | High data rate transmitter and receiver A high-speed transmitter and receiver are provided. In one embodiment, a transmitter comprises a baseband processor structured to receive data and to convert the data into a multiplicity of high and low signal values, with each high and low signal value having a first t... | 02/02/2012 |
| 20120002708 | DEVICE METHOD AND SYSTEM FOR TRANSMISSION AND RECEPTION OF DATA Disclosed is a method, circuit and system for transmission and reception of data, including video data. There is provided a multi-constellation data to symbol mapping logic, circuit or module integral with or otherwise functionally associated with a transmitter and a co... | 01/05/2012 |
| 20120002754 | TRANSMISSION APPARATUS, RADIO COMMUNICATION APPARATUS, AND TRANSMISSION METHOD Disclosed is a transmission apparatus, a radio communication apparatus, and a transmission method for making it possible to obtain stable characteristics by controlling the difference of time between an amplitude signal and a phase signal to an optimal point, without de... | 01/05/2012 |
| 20110286539 | ADAPTIVE MODULATION METHOD, RADIO COMMUNICATION SYSTEM, AND RADIO DEVICE A radio device (10) receives signals from a radio device (20) through a plurality of downlink channels that have different frequencies, decides modulation formats that have transmission performances based on qualities of the received signals for the indivi... | 11/24/2011 |
| 20110280340 | Frequency Synthesis An apparatus including a spin torque oscillator configured to receive an input electric current and to produce a radio frequency output signal; and a tunable current source for providing an input electric current to the spin torque oscillator.... | 11/17/2011 |
| 20110274211 | APPARATUS FOR TRANSMITTING AND RECEIVING A SIGNAL AND METHOD OF TRANSMITTING AND RECEIVING A SIGNAL The present invention relates to a method of transmitting and a method of receiving signals and corresponding apparatus. One aspect of the present invention relates to an efficient L1 signaling method for an efficient transmitter and an efficient receiver using t... | 11/10/2011 |
| 20110188603 | Compact pulse shaping for QM-MSK and PAM/QAM transmission Compact pulse shape partial response (CPS PR) signaling is developed for trellis based signals like QM-MSK, and for PAM/QAM type signals to improve the performance to bandwidth tradeoff. Compact pulse shaped signals are partial response signals that employ a very short ... | 08/04/2011 |
| 20110150133 | BITS-TO-SYMBOL MAPPING METHOD FOR 4+12+16 APSK MODULATION Disclosed is a bits-to-symbol mapping method of 4+12+16 amplitude phase shift keying (APSK) having excellent performance against the non-linearity of a high power amplifier. According to the present invention A bits-to-symbol mapping method of 4+12+16 APSK modulation, c... | 06/23/2011 |
| 20110142168 | TRANSMITTING APPARATUS WITH BIT ARRANGEMENT METHOD A method of transmitting data that includes controlling generation of bit sequences to adjust an occupation rate occupied with predetermined bits included in a first data block, which is obtained by encoding first data in a first encoding process, to be equal or closer ... | 06/16/2011 |
| 20110135035 | EFFICIENT OUTPHASING TRANSMITTER Techniques for producing an output signal using an outphasing transmitter are disclosed. In some examples, constant modulation (CM) signals may be produced from a digital input signal. The CM signals may be converted to an analog state and filtered. The signals may then... | 06/09/2011 |
| 20110116576 | METHOD AND APPARATUS FOR GENERATING AND RECEIVING MODULATED RADIO WAVES A transmitter includes an oscillator that generates a clock signal and a mapping unit that maps received data-bits to symbols and designates each of the symbols as three or more signal coding levels, where each of the signal coding levels are represented by a plurality ... | 05/19/2011 |
| 20110007842 | TRANSMISSION ARRANGEMENT AND METHOD FOR MODULATING USEFUL SIGNALS ONTO A CARRIER FREQUENCY SIGNAL A transmission arrangement for modulating useful signals onto a carrier frequency signal has a frequency generator for generating the carrier frequency signal, a first modulation path for modulating a first useful signal onto the carrier frequency signal, and a second m... | 01/13/2011 |
| 20100329388 | FREQUENCY SYNTHESIZER AND POLAR TRANSMITTER HAVING THE SAME A frequency synthesizer includes a distributed phase detector circuit, a multiple charge pump, a loop filter, a voltage-controlled oscillator and a dividing circuit. The distributed phase detector circuit delays an up signal and a down signal to generate a delayed up si... | 12/30/2010 |
| 20100310008 | CIRCUIT TRANSMISSION APPARATUS AND TRANSMISSION METHOD A transmission apparatus includes: a multiplier configured to multiply a signal provided on a complex plane by a multiplication coefficient corresponding to a number of transmission sub-carriers; and an inverse fast Fourier transformer configured to perform an inverse f... | 12/09/2010 |
| 20100303171 | SYSTEM AND METHOD PERFORMING QUADRATURE AMPLITUDE MODULATION BY COMBINING CO-SETS AND STRONGLY CODED CO-SET IDENTIFIERS A method of encoding a stream of data elements is provided which involves splitting the stream of data elements into a first stream and a second stream; encoding the first stream to produce a first encoded stream; performing a constellation mapping using a combination o... | 12/02/2010 |
| 20100290562 | Digital Compensation for Nonlinearities in a Polar Transmitter A polar transmitter includes a digital processor coupled to receive a complex modulated digital signal and a feedback signal produced from the complex modulated digital signal and that is operable to compare the complex modulated digital signal to the feedback signal to... | 11/18/2010 |
| 20100290563 | Hybrid Radio Frequency Transmitter A hybrid transmitter includes first and second up-conversion modules, a combining module, and a power amplifier circuit. The first up-conversion module is operably coupled to generate a first up-conversion signal based on a normalized in-phase (I) symbol, an in-phase lo... | 11/18/2010 |
| 20100278282 | TRANSMITTING APPARATUS WITH BIT ARRANGEMENT METHOD A method of transmitting data including controlling generation of bit sequences to adjust an occupation rate occupied with predetermined bits included in a first data block, which is obtained by encoding first data, to be closer to an occupation rate occupied with prede... | 11/04/2010 |
| 20100265044 | A METHOD OF ALLOCATING DIGITAL DATA COMING FROM TRANSPONDERS AND A READER THERETO In a method of allocating digital data (55a, 55b) coming from transponders, a reader (1) receives a first signal (13) that comprises a first signal component (7) coming from a first transponder (2) and a second sig... | 10/21/2010 |
| 20100260200 | TRANSMISSION APPARATUS A modulator modulates the packet data signal. A correction unit 18 adjusts the amplitude component of the modulated data signal. An amplifier amplifies the adjusted data signal and outputs the data signal. A control unit controls the operation of the amplifier. T... | 10/14/2010 |
| 20100260289 | Method, System, and Apparatus for Balanced Frequency Up-Conversion of a Baseband Signal A balanced transmitter up-converts a baseband signal directly from baseband-to-RF. The up-conversion process is sufficiently linear that no IF processing is required, even in communications applications that have stringent requirements on spectral growth. In operation, ... | 10/14/2010 |
| 20100254490 | Variable-Size Mixer for High Gain Range Transmitter Implementations of a high gain range transmitter with variable-size mixers are described.... | 10/07/2010 |
| 20100232546 | Relay Link Control Channel Design A method for wireless communication is provided. The method comprises transmitting a relay downlink control information (R-DCI) block in a plurality of resource blocks.... | 09/16/2010 |
| 20100189192 | RADIO TRANSMISSION DEVICE, RADIO RECEPTION DEVICE, AND PRECODING METHOD Provided is a radio transmission device which can improve an error ratio characteristic in a radio communication system which performs precoding. There are two types of modulation methods: a first modulation method having a small error ratio improvement width by precodi... | 07/29/2010 |
| 20100183092 | ADAPTIVE DIFFERENTIAL PULSE CODE MODULATION/DEMODULATION SYSTEM AND METHOD An adaptive differential pulse-code modulation-demodulation system and method thereof is provided. The method includes steps of modulating an analog audio input signal into a data packet, including a plurality of digital data through adaptive differential pulse-code mod... | 07/22/2010 |
| 20100142600 | METHOD AND DEVICE FOR REDUCING TRANSMISSION POWER OF PACKET ORIENTED DATA AND COMMUNICATION SYSTEM COMPRISING SUCH DEVICE A method and a device for transmitting packet-oriented data are provided. The packet-oriented data includes information data and idle data. The idle data includes at least one symbol of lower amplitude.... | 06/10/2010 |
| 20100135435 | METHOD OF ESTIMATING FADING COEFFICIENTS OF CHANNELS AND OF RECEIVING SYMBOLS AND RELATIVE SINGLE OR MULTI-ANTENNA RECEIVER AND TRANSMITTER The method is for estimating the fading coefficients of a plurality of transmission channels on which signals to be sent, generated as a function of a sequence of symbols, are transmitted according to a particular modulation, e.g. AM-PSK modulation. The fading coefficie... | 06/03/2010 |
| 20100135436 | SIGNAL PROCESSING SYSTEM AND INFORMATION STORAGE MEDIUM According to one embodiment, a first encoder encodes main information, a second encoder encodes sub-information, a first modulator modulates a carrier based on an output of the first encoder, a duplicating module duplicates an output of the second encoder to generate en... | 06/03/2010 |
| 20100111225 | Forward Error Correction Coding For AM 9kHz and 10kHz In-Band On-Channel Digital Audio Broadcasting Systems A method of broadcasting an AM compatible digital audio broadcasting signal includes: producing an analog modulated carrier signal centrally positioned in a radio channel, wherein the analog modulated carrier signal is modulated by an analog signal, producing a pluralit... | 05/06/2010 |
| 20100111227 | DIGITAL POLAR RADIO FREQUENCY TRANSMITTING DEVICE WITH A RADIOFREQUENCY REFERENCE OSCILLATOR AND AN INTEGRATED CIRCUIT COMPRISING SUCH DEVICE A radiofrequency transmitting device delivers output signals having a chosen radiofrequency from input data split up into complementary phase data and amplitude data. This device includes a radiofrequency reference oscillator for outputting a reference signal having a f... | 05/06/2010 |
| 20100110939 | INFORMATION PROCESSING APPARATUS AND DUPLEX TRANSMISSION METHOD There is provided an information processing apparatus includes a first module and a second module. The first module includes a first signal generator that produces a first signal by coding a first transmitted data into a waveform not including a direct-current component... | 05/06/2010 |
| 20100086081 | MODULATION DEVICE AND DEMODULATION DEVICE Provided is a modulation device which generates a phase modulation signal and an amplitude modulation signal and can correct an I/Q orthogonal shift and reduce degradation of the ON/OFF ratio. In the device, a phase shifter (174) controls voltage applied to a cap... | 04/08/2010 |
| 20100075615 | High Speed Serial Link with Power Spectral Density Frequency Response Suppression This disclosure relates to noise suppression in data transfers in transceivers of wireless devices.... | 03/25/2010 |
| 20100061483 | PULSE RADIO TRANSMISSION APPARATUS AND TRANSCEIVER A radio transmission apparatus has a first duty adjustment circuit which changes a duty of a clock signal, a second duty adjustment circuit which changes the duty of the clock signal to a duty different from the duty of the clock signal changed by the first duty adjustm... | 03/11/2010 |
