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| Application No. | Application Title | Issue Date |
| 20120002755 | MULTI-LEVEL PULSE MODULATED POLAR TRANSMITTER AND METHOD OF GENERATING MULTI-LEVEL MODULATED ENVELOPE SIGNALS CARRYING MODULATED RF SIGNAL A multi-level pulse modulated polar transmitter and a method of generating multi-level pulse modulated RF signals carrying phase information, in conjunction with a plurality of power amplifiers, so as to enhance the bandwidth of the transmitter and to reduce spurious em... | 01/05/2012 |
| 20110280341 | BEAMFORMING AND/OR MIMO RF FRONT-END An RF front-end includes a transmit adjust module, a PA module, an antenna coupling circuit, a LNA module, and a receive adjust module. The transmit adjust module adjusts coordinates of up-converted analog signals when in a first transmit mode and adjusts coordinates of... | 11/17/2011 |
| 20110274216 | CONTINUOUS PHASE MODULATION FOR SATELLITE COMMUNICATIONS A new coded continuous phase modulation (CPM) scheme is proposed to enhance physical layer performance of the current DVB-RCS standard for a satellite communication system. The proposed CPM scheme uses a phase pulse design and combination of modulation parameters to sha... | 11/10/2011 |
| 20110188604 | Digital Modulator and Digital-to-Analog Conversion Techniques Associated Therewith Some embodiments disclosed herein relate to a transmitter. The transmitter includes a digital modulator adapted to provide a digital modulated RF signal based on a multi-bit representation of data and a multi-bit representation of a carrier wave. A digital-to-analog con... | 08/04/2011 |
| 20110176636 | HIGH-EFFICIENCY ALL-DIGITAL TRANSMITTER A low cost high-efficiency all-digital transmitter using all-digital power amplifiers (“DPA”) and various mapping techniques to generate an output signal, which substantially reproduces a baseband signal at a carrier frequency. A baseband signal generator generates ... | 07/21/2011 |
| 20110134972 | ACTIVE ANTENNA, BASE STATION, METHOD FOR REFRESHING AMPLITUDES AND PHASES, AND METHOD FOR PROCESSING SIGNALS An active antenna, a base station, a method for refreshing the amplitude and phase, and a signal processing method are disclosed to simplify the structure of a phase shifter and guarantee the reliability of the phase shifter. The active antenna or the base station inclu... | 06/09/2011 |
| 20110129008 | Methods, Apparatuses, System and Related Computer Program Product for Cell Type Detection It is disclosed a method comprising including transmitting indication information indicating network cells of a first type different from network cells of a second type, the transmitting comprising including a) broadcasting control information, the indication informatio... | 06/02/2011 |
| 20110122969 | TRANSMISSION APPARATUS, RECEPTION APPARATUS, TRANSMISSION METHOD, AND RECEPTION METHOD OF WIRELESS COMMUNICATION SYSTEM A transmission apparatus according to an exemplary embodiment of the present invention comprises a serial/parallel (S/P) converter for converting an input bit stream into a plurality of symbols each including 3 bits, a differential modulator for generating differential ... | 05/26/2011 |
| 20110122970 | DUAL PRUPOSE MODULATOR The present invention provides a single modulator capable of transmitting an input according to a first and a second modulation technique. The first modulation technique represents changes in the input using a first set of carrier waveform parameters, such as phase vari... | 05/26/2011 |
| 20110069784 | HYBRID HETERODYNE TRANSMITTERS AND RECEIVERS Disclosed are hybrid heterodyne transmitters and receivers for use in communications systems, or other systems, and the corresponding methods for hybrid heterodyne transmitting and receiving. A heterodyne receiver for converting a continuous time modulated signal to a d... | 03/24/2011 |
| 20110051783 | Phase-Optimized Constant Envelope Transmission (POCET) Method, Apparatus And System An apparatus and method for generating a composite signal includes electronics configured to modulate a carrier utilizing a finite set of composite signal phases to generate a composite signal, the finite set of composite signal phases being determined through an optimi... | 03/03/2011 |
| 20110033011 | METHODS AND APPARATUSES RELATING TO MULTI-RESOLUTION TRANSMISSIONS WITH MIMO SCHEME A method of providing a multi-resolution transmission with a MIMO scheme may include employing a selected modulation scheme to generate a first data stream including basic information and a second data stream including both enhanced information and the basic information... | 02/10/2011 |
| 20110007844 | APPARATUS FOR FREQUENCY MODULATING AND DEMODULATING OF FREQUENCY SELECTIVE BASEBAND WITH GAIN OF FREQUENCY DIVERSITY, AND APPARATUS FOR TRANSMITTING AND RECEIVING USING FOR THIS Provided are a frequency modulation/demodulation apparatus using a frequency selective baseband and a transmitting/receiving apparatus using the same. In a frequency selective baseband transmission technique or an FS-CDMA technique, a transmission rate is controlled acc... | 01/13/2011 |
| 20110007843 | LOW POWER FM TRANSMITTER An FM transmitter operates at low power by maintaining a substantially constant transmit voltage over the FM frequency band. A transmit signal strength indicator (TSSI) is provided at the output of the FM transmitter to measure the power at the output of the power ampli... | 01/13/2011 |
| 20100270867 | Non-contact power supply system A non-contact power supply system includes a power supply device for transmitting high frequency power and a load device which receives the high frequency power in a non-contact mode by electromagnetic induction to supply it to a load. The power supply device includes a... | 10/28/2010 |
| 20100232482 | Controlling Over-Modulation in FM Transmitters Digital values representing an audio signal are formed in a FM transmitter. The deviation of the amplitude of the audio signal as represented by the digital values, from a reference amplitude level, is measured. The audio signal is filtered based on the deviation measur... | 09/16/2010 |
| 20100226459 | Apparatus and Method for I/Q Modulation An apparatus and method for I/Q modulation are provided. According to the apparatus and method, the symbol error probability performance of a conventional I/Q modulation method can be improved by a maximum of 3dB, and when the same symbol error rate (SER) as that of the... | 09/09/2010 |
| 20100215119 | RECEPTION APPARATUS A reception apparatus includes a plurality of antennas for receiving modulation signals of channels in the same frequency band, an received signal strength intensity estimation unit for estimating the reception received signal strength intensity of each reception signal... | 08/26/2010 |
| 20100208779 | Transmitter for Reducing Channel Selectivity A transmitter for reducing time selectivity and/or frequency selectivity in a wireless communication system includes a plurality of transmit antennas, a phase shifter which is disposed for each transmit antenna and is configured to shift a phase of data transmitted thro... | 08/19/2010 |
| 20100183093 | All-Digital Multi-Standard Transmitters Architecture Using Delta-Sigma Modulators The present disclosure is concerned with a digital transmitter using Delta-Sigma modulators (DMSs) that uses an up-sampler and modulator block that follows the DSMs to generate the RF equivalent of the baseband signal to be transmitted. The up-sampler and modulator bloc... | 07/22/2010 |
| 20100142645 | Communication Apparatus and Communication Method Modulated signal A is transmitted from a first antenna, and modulated signal B is transmitted from a second antenna. As modulated signal B, modulated symbols S2(i) and S2(i+1) obtained from different data are transmitted at time i and time i+... | 06/10/2010 |
| 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 |
| 20100091907 | METHOD FOR TRANSMITTING INFORMATION USING SEQUENCE A method for transmitting information using a sequence is disclosed. According to an embodiment, the method includes the steps of generating a sequence for transmitting data or control signals, performing phase modulation for indicating additional information on partial... | 04/15/2010 |
| 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 |
| 20100074369 | OFDM TRANSMITTER AND OFDM RECEIVER An OFDM transmitter and receiver realizing high-speed cell search and having a reducible circuit scale. A base station device (100) serving as an OFDM transmitter comprises an SCH inserting section (125) for constructing a frame where a synchronization seq... | 03/25/2010 |
| 20100074367 | ADAPTIVE COMBINER ERROR CALIBRATION ALGORITHMS IN ALL-DIGITAL OUTPHASING TRANSMITTER Systems and methods may include a signal component separator that receives a non-constant envelope input signal and at least one phase offset value, and generates first digital phase data and second digital phase data; at least one digital phase modulator that receives ... | 03/25/2010 |
| 20100067603 | Radio Communication Systems And Transmitting Method A radio transmitter includes a signal generating unit that generates first and second OFDM (Orthogonal Frequency-Division Multiplexing) signals carrying the same information, and a phase shifter that controls a phase of the second OFDM signal based on a spectrum of a co... | 03/18/2010 |
| 20100061738 | Signal Processor for Compensating for Optical Fiber Chromatic Dispersion A signal processor for compensating for optical fibre chromatic dispersion comprising encoding means (5) for encoding a source signal (2) received from a data source (6), splitting means (8) to separate the encoded signal (7) from the ... | 03/11/2010 |
| 20100046669 | METHOD AND SYSTEM FOR PROCESSING IMPERFECTIONS OF A RADIO FREQUENCY TRANSMISSION SUBSYSTEM AND COMMUNICATION APPLIANCE INCORPORATING SUCH A TRANSMISSION SUBSYSTEM A method processes defects in a radio frequency transmission subsystem due to elements therein. The defects may include mismatch between two channels in phase quadrature in the transmission subsystem and a transposition signal leaking from a first frequency transpositio... | 02/25/2010 |
| 20100020902 | TERMINATION TECHNIQUES FOR MULTI-INDEX CONTINUOUS PHASE ENCODERS FOR WIRELESS NETWORKS Various example embodiments are disclosed herein. According to an example embodiment, an apparatus may include a multiple modulation index continuous phase encoder (CPE) configured to perform continuous phase encoding on one or more received symbols and to output CPE en... | 01/28/2010 |
| 20100014611 | METHOD FOR DECIDING POSITION OF MAPPING SYMBOLS, AND DEVICE AND METHOD FOR MODULATING BINARY SIGNAL Disclosed is a binary signal modulator for minimizing deterioration of receiving performance caused by phase error. The binary signal modulator receives binary signals, and converts the binary signals into complex symbols according to a predetermined mapping relation. H... | 01/21/2010 |
| 20090323861 | System and Method for Blind Compensation and Correction of Transmitter IQ Imbalance at the Receiver Systems and methods of correcting for a transmitter IQ imbalance are disclosed. Various embodiments collect statistics related to a received packet on a transceiver. These statistics include one or more transmitter imbalance parameters. In some embodiments, an estimated... | 12/31/2009 |
| 20090310710 | Crest factor reduction with phase optimization A system for reducing peaks comprises a processor and a memory. The processor is configured to determine a phase offset for each of a plurality of input signals. The phase offset for each of the plurality of input signals are determined using one or more trials of phase... | 12/17/2009 |
| 20090310711 | Transmitter and receiver capable of reducing in-phase/quadrature-phase (I/Q) mismatch and an adjusting method thereof An adjusting method for reducing in-phase/quadrature-phase (I/Q) mismatch in a transmitter includes the steps of: a) receiving a first in-phase signal and a first quadrature-phase signal; b) adjusting a set of parameters such that an extent of I/Q mismatch related to th... | 12/17/2009 |
| 20090257528 | QUADRATURE MODULATION WITHOUT CARRIER Transmitters, receivers and associated methods are disclosed for providing phase and amplitude modulation in a carrier-less communication system (e.g., an ultra-wide band communication system). An approximate quadrature signal is provided by delaying the in-phase signal... | 10/15/2009 |
| 20090245422 | METHOD AND SYSTEM FOR TRANSMIT UPSAMPLING VIA IFFT A technique for eliminating from or reducing the complexity of an upsampler/interpolator of a transmit system. In general, the technique involves configuring an IFFT to perform both the conversion of a modulated signal from frequency to time domain, and at least a porti... | 10/01/2009 |
| 20090232164 | APPARATUS AND METHOD FOR TIME WEIGHTED BPSK CODE COMBINING A method for time weighted combining of a plurality of binary phase shift key (BPSK) code sequences that is implemented by providing first, second and third sequences of chips of a BPSK code having a first, second and third code powers, respectively. A majority vote (MV... | 09/17/2009 |
| 20090232246 | WIRELESS COMMUNICATION DEVICE A multiband OFDM_UWB transmitting and receiving apparatus is provided in Low-IF configuration to solve problems attributed to a direct-conversion transmitting and receiving apparatus. A Low-IF receiver performs sorting by rotating a sub-carrier after FFT to eliminate th... | 09/17/2009 |
| 20090220024 | FM Simulcast Broadcast Signal Broadcast Transmission System and Receiver Device The invention relates to a FM simulcast broadcast signal, in which an analogue and digital signal are combined for a transmission in a transmission channel with limited bandwidth as a total signal (s), which has a first phase speed (vs), an auxiliary signal (hs) is prep... | 09/03/2009 |
| 20090219973 | Pulse modulation and demodulation in a multiband uwb communication system In a wireless communications system, such as a multiband Ultra Wideband communications system, data is transmitted by means of the phases of pulses in multiple frequency bands. A signal is transmitted with a predetermined phase in at least one of the frequency bands for... | 09/03/2009 |
