226069 ⎘
Modulated-carrier systems; Carrier systems characterised by combinations of two or more of the types covered by groups , , or; Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems; Modulator circuits; Transmitter circuits Modulation using a single or unspecified number of carriers, e.g. with separate stages of phase and amplitude modulation
SYSTEMS, METHODS, AND APPARATUS FOR PRUNED CONSTELLATIONS
#2METHOD AND CIRCUIT ARRANGEMENT FOR CONSTANT ENVELOPE MODULATION
#3Integrated Circuit Transceiver Array Synchronization
#4IN-PHASE/QUADRATURE-PHASE (IQ) INTERFACE SWITCHING METHOD AND APPARATUS THEREOF
#5High throughput Communications system for End of Train and Head of Train Communications
#6SYMBOL SENDING METHOD, SYMBOL RECEIVING METHOD, SENDING DEVICE, RECEIVING DEVICE, AND STORAGE MEDIUM
#7PROBABILISTIC CONSTELLATION SHAPING MODULATION
#8SYSTEM, BASE STATION, TERMINAL APPARATUS, METHOD AND PROGRAM FOR PERFORMING COMMUNICATION AND WIRELESS POWER TRANSFER
#9COMMUNICATION METHOD AND APPARATUS
#10Device and method for phase adjustment of receiver for PAM signaling
#11SYMBOL SENDING METHOD, SYMBOL RECEIVING METHOD, SYMBOL SENDING DEVICE, SYMBOL RECEIVING DEVICE AND STORAGE MEDIUM
#12SYMBOL SENDING METHOD, SYMBOL RECEIVING METHOD, SENDING DEVICE, RECEIVING DEVICE, AND STORAGE MEDIUM
#13Integrated Circuit Transceiver Array Synchronization
#14Hybrid reference signal design and transmission of PHY signals
#15CIRCUIT AND METHOD FOR DETERMINING A DITHER AMPLITUDE
#16Method and transmitter for constant envelope phase modulation and demodulation
#17Harmonic filters for polar modulators
#18Quadrature phase shift keying quadrature amplitude modulation transmitter
#19Digital modulator, communication device, and digital modulator control method
#20Index modulation for low-power analog-to-digital converters
#21Asynchronous polar transmitter and operation method thereof
#22Estimation of communication system impairments using spectrally selective signal perturbations
#23Data transmission method and communication apparatus
#24Contention-based payload transmissions using differential coding
#25Method for measuring power of non-constant envelope modulated signal, and electronic device
#26System and Method for Very Low Frequency and Low Frequency Transmitter Navigation
#27Ultra-high data rate digital mm-wave transmitter with energy efficient spectral filtering
#28RADIO COMMUNICATION DEVICE
#29Polar phase or frequency modulation circuit and method
#30LOW PAPR COMPUTER GENERATED SEQUENCE PAIRING
#31Data processing method and device
#32Polar modulation systems and methods
#33Multi-level voltage circuit and related apparatus
#34Support of 64 QAM for efeMTC PDSCH transmission
#35Communication method, communications apparatus, and storage medium
#36Systems and methods for up-sampling a polar amplitude sample stream in a polar modulator
#37Methods of converting or reconverting a data signal and method and system for data transmission and/or data reception
#38Interpolation method for polar signals in radio frequency transmitters
#39Method and an apparatus for determining a noise shaped quantized parameter contributing to the generation of an output signal
#40Method for transmitting HARQ ACK/NACK signal in NB IoT
#41Carrier-phase recovery system and method
#42Multicarrier on-off keying symbol randomizer
#43Voltage memory digital pre-distortion circuit
#44Data processing method, apparatus, and system
#45Polar transmitter with tunable matching network
#46System and method for amplitude pre-distortion optimization for GPS signal constant envelope transmission
#47Signal processing method and apparatus
#48Single carrier-based data transmission method and apparatus
#49Synchronization method of an active load modulation clock within a transponder
#50Techniques and apparatuses for multiplexing schemes for millimeter wave downlink single carrier waveforms
#51Techniques and apparatuses for multiplexing schemes for millimeter wave downlink single carrier waveforms
#52Techniques and apparatuses for multiplexing schemes for millimeter wave downlink single carrier waveforms
#53Techniques and apparatuses for multiplexing schemes for millimeter wave downlink single carrier waveforms
#54Voltage memory digital pre-distortion circuit
#55Transmitter, receiver, and signal processing method
#56Synchronization method of an active load modulation clock within a transponder
#57HYBRID CLOCK DATA RECOVERY CIRCUITRY FOR PULSE AMPLITUDE MODULATION SCHEMES
#58Adaptive digital predistortion for polar transmitter
#59Method and system for controlling phase of a signal
#60Method and an apparatus for determining a noise shaped quantized parameter contributing to the generation of an output signal
#61Transmission apparatus
#62PAM reception circuit and reception apparatus
#63OFDM communication system with enhanced channel estimation and data detection techniques
#64Low rate interface for narrow band wireless transmissions
#65Multipoint transmission and reception in a radio communication network
#66Polar transmitter with tunable matching network
#67Concept for enhancing performance in backscatter systems or load systems
#68Apparatus, system and method of communicating a transmission according to a rotated 256 quadrature amplitude modulation (QAM) scheme
#69Polar transmitter and method for generating a transmit signal using a polar transmitter
#70Method and system for I/Q mismatch calibration and compensation for wideband communication receivers
#71Phase modulation device and laser microscope
#72Method and apparatus for transmitting and receiving MCS index for 256QAM in wireless access system
#73Signal transmission apparatus, carrier phase recovery apparatus and method
#74Digital quadrature modulator and switched-capacitor array circuit
#75Interleaving and deinterleaving source data for single carrier modulation and coding schemes
#76Digital optical modulator for programmable n-quadrature amplitude modulation generation
#77Radio frequency systems and methods for polar phase distortion calibration
#78Code modulation and demodulation methods, apparatuses, and system
#79Dynamic envelope elimination and restoration polar transmitter
#80Circuit and method
#81Dither-less multi-stage noise shaping fractional-N frequency synthesizer systems and methods
#82Calibrating RF path delay and IQ phase imbalance for polar transmit system
#83Method and apparatus for transmitting reception confirmation in wireless system
#84Method and apparatus for use with received electromagnetic signal at a frequency not known exactly in advance
#85High efficiency transmitter architectures for a localized single-carrier frequency division multiple access transceiver
#86Transmitter with quantization noise compensation
#87Transmission circuit
#88Semi-polar modulator
#89Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals
#90Data receiving and sending methods and apparatuses and system
#91Dither-less error feedback fractional-n frequency synthesizer systems and methods
#92Method and system for I/Q mismatch calibration and compensation for wideband communication receivers
#93Quadrature amplitude modulation for time-reversal systems
#94Apparatus and methods for wireless communication using load modulation
#95Tri-phase digital polar modulator
#96Power supply adjustment and polar modulation in a MIMO system
#97System and method for digital sideband mitigation: advanced modulation in a narrow bandwidth RF channel
#98Signal modulator and signal modulating method
#99Signal amplifier with active power management
#100Polar modulator
#101Pre-distortion in a wireless transmitter
#102QUADRATURE AMPLITUDE MODULATION SYMBOL MAPPING
#103Power saving technique for digital to time converters
#104CODE MODULATION AND DEMODULATION METHOD AND APPARATUS FOR HIGH ORDER MODULATION
#105Dither-less error feedback fractional-N frequency synthesizer systems and methods
#106Dither-less multi-stage noise shaping fractional-N frequency synthesizer systems and methods
#107Method and system for I/Q mismatch calibration and compensation for wideband communication receivers
#108Polar modulation
#109Quadrature power amplifier having increased efficiency
#110Communications transmitter having high-efficiency combination modulator
#111Method, receiver, transmitter and communication system for phase error compensation
#112Systems and methods to provide compensated feedback phase information
#113Polar transmitter suitable for monolithic integration in SoCs
#114Method and faculty to measure and compensate DCO frequency distortions using a DPLL
#115Direct digital synthesis of quadrature modulated signals
#116Amplifier circuit and wireless communication equipment
#117Circuit and method
#118Transmitter with quantization noise compensation
#119FBR DC vector offset removal using LO phase switching
#120Apparatus and method for time alignment of an envelope tracking power amplifier
#121Array amplitude modulation system and method
#122Transmitter and frequency deviation reduction method thereof
#123Streamlined apparatus and methods for RFID communication
#124APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING DATA IN A WIRELESS COMMUNICATION SYSTEM
#125Method and faculty to measure and compensate DCO frequency distortions using a DPLL
#126Quadrature modulator balancing system
#127High efficiency transmitter
#128Signal processing device and method for providing a first analog signal and a second analog signal
#129Systems and methods of RF power transmission, modulation, and amplification, including embodiments for error correction
#130Communications transmitter having high-efficiency combination modulator
#131Communications transmitter having high-efficiency combination modulator
#132Communications transmitter having high-efficiency combination modulator
#133Methods and apparatus for signal conditioning for polar transmitters
#134SIGNAL MODULATOR AND SIGNAL MODULATING METHOD
#135Radio transmitter system and method
#136Method and system for I/Q mismatch calibration and compensation for wideband communication receivers
#137Polar modulator and method for generating a polar modulated signal
#138Polar amplification transmitter distortion reduction
#139Transmission circuit
#140Quadrature communications device with power combiner and related methods
#141AM-PM synchronization unit
#142Communications devices with envelope extraction and related methods
#143Digital modulation jitter compensation for polar transmitter
#144Transmitter, RF transmitter signal processor and method for operation of transmitter
#145Transmitter with quantization noise compensation
#146Polar transmitter suitable for monolithic integration in SoCs
#147RF amplifier with digital filter for polar transmitter
#148Systems and Methods of RF Power Transmission, Modulation, and Amplification, Including Embodiments for Compensating for Waveform Distortion
#149Digital amplitude modulation
#150Mixed-signal transmission circuit for switching power amplifiers
#151Wideband phase modulator
#152Method and system for polar modulation with discontinuous phase for RF transmitters with integrated amplitude shaping
#153DIGITAL AMPLITUDE MODULATOR AND POLAR TRANSMITTER USING THEREOF
#154Transmitter and receiver
#155MEASUREMENT APPARATUS, MEASUREMENT METHOD, TEST APPARATUS AND RECORDING MEDIUM
#156Apparatus and method for controlling gain of polar transmitter
#157Method and system for efficient transmission and reception of RF energy in MIMO systems using polar modulation and direct digital frequency synthesis
#158Method and apparatus for sending and receiving a low-complexity transmission in a wireless communication system
#159Method and system for polar modulating QAM signals with discontinuous phase
#160Digital amplitude modulation
#161Polar modulator with signed amplitude reducing phase transitions
#162Polar transmitter
#163Signal processing circuit and signal processing method
#164Apparatus and method for compensating for delay mismatch between amplitude component signal and phase component signal
#165Fuel vapor storage and recovery apparatus
#166Apparatus and method for modulating an amplitude, phase or both of a periodic signal on a per cycle basis
#167Methods and apparatus for reducing the average-to-minimum magnitude ratio of communications signals in communications transmitters
#168Local wireless signal transmitting/receiving apparatus and method using digital radio frequency processing technology
#169Bias modulation apparatus, and apparatus and method for transmitting signal for wideband mobile communication using the same
#170Methods and apparatus for reducing the average-to-minimum magnitude ratio of communications signals in communications transmitters
#171Method and system for bandwidth calibration for a phase locked loop (PLL)
#172Methods and apparatus for reducing average-to-minimum power ratio in communications signals
#173Phase locked loop
#174Hybrid radio frequency transmitter
#175Apparatus method and computer readable medium for a transmitter
#176Signal processing circuit and signal processing method
#177Optical field transmitter and optical field transmission system
#178Wideband phase modulator
#179Apparatus and method for transmitting/receiving data in a wireless communication system
#180Transmitter apparatus
#181All-digital multi-standard transmitters architecture using delta-sigma modulators
#182Amplifier architecture for polar modulation
#183Apparatus and method for amplifying signal and wireless transmitter using the same
#184Phase-to-frequency conversion for polar transmitters
#185Digital modulation jitter compensation for polar transmitter
#186Digital modulation
#187ADAPTIVE COMBINER ERROR CALIBRATION ALGORITHMS IN ALL-DIGITAL OUTPHASING TRANSMITTER
#188Method for controlling an EER power amplifier for digital transmission
#189Transmission circuit, method for determining delay time used in the transmission circuit, and communication apparatus using the transmission circuit
#190Multilevel light intensity modulator
#191Transmitter PLL with bandwidth on demand
#192Method and system for polar modulating QAM signals with discontinuous phase
#193Fuel vapor storage and recovery apparatus
#194OFDM-MODULATED-WAVE OUTPUT UNIT AND DISTORTION COMPENSATING METHOD
#195Methods and apparatus for reducing modulation signal bandwidth in polar modulation transmitters
#196Polar modulator and method for generating a polar-modulated signal
#197Two-point polar modulator and method for generating a polar-modulated signal based on amplitude information and phase information
#198DIGITAL DELAY ELEMENT FOR DELAY MISMATCH CANCELLATION IN WIRELESS POLAR TRANSMITTERS
#199Predistortion methods and apparatus for polar modulation transmitters
#200Method and system for polar modulation with discontinuous phase for RF transmitters with power control
#201RF polar transmitter and integrated circuit with programmable filter module and methods for use therewith
#202Synchronization techniques for polar transmitters
#203Power amplifying apparatus with bandwidth limitation processing on variable power supply
#204Linear and polar dual mode transmitter circuit
#205Systems, methods, and apparatuses for linear envelope elimination and restoration transmitters
#206Polar transmitter with digital and analog filtering of envelope
#207Processing transmission signals in radio transmitter
#208APPARATUS AND METHOD FOR ENVELOPE TRACKING POWER AMPLIFICATION IN WIRELESS COMMUNICATION SYSTEM
#209Polar modulation transmission circuit and communication device
#210Multi-mode and multi-band transmitters for wireless communication
#211Polar modulation without analog filtering
#212Apparatus and method for modulating an amplitude, phase or both of a periodic signal on a per cycle basis
#213Polar modulation transmitter circuit and communications device
#214Transmitting RF signals employing both digital and analog components with a common amplifier
#215Polar modulation apparatus
#216Method and system for power supply adjustment and polar modulation in a MIMO system
#217Method and system for polar modulation with discontinuous phase for RF transmitters with power control
#218Method and system for polar modulating QAM signals with discontinuous phase
#219Cartesian modulation system via multi-level pulse width modulation
#220Method of keying for broadcast using OFDM
#221Polar modulator arrangement and polar modulation method
#222Generation of a transmission signal
#223Polar modulation / one-point frequency modulation with flexible reference frequency
#224Methods and apparatus for reducing peak-to-RMS amplitude ratio in communication signals
#225Nonlinear adaptive phase domain equalization for multilevel phase coded demodulators
#226Polar amplifier
#227Transmitter, RF transmitter signal processor and method for operation of transmitter
#228Polar modulation apparatus and method using FM modulation
#229Digital polar transmitter
#230Method and system for a digital polar transmitter
#231System and Method for Time Aligning Signals in Transmitters
#232Method and System for Using a Phase Locked Loop for Upconversion in a Wideband Polar Transmitter
#233Method and system for a wideband polar transmitter
#234Method and system for a high-precision frequency generator using a direct digital frequency synthesizer for transmitters and receivers
#235Method and system for efficient transmission and reception of RF energy in MIMO systems using polar modulation and direct digital frequency synthesis
#236Method and system for polar modulation using a direct digital frequency synthesizer
#237Polar modulator with signed amplitude reducing phase transitions
#238Method and system for digital to analog conversion for power amplifier driver amplitude modulation
#239Demodulating a signal encoded according to ASK modulation and PSK modulation
#240Polar modulation transmission apparatus
#241Transmission circuit
#242Network measuring and apparatus for magnitude and phase portion independently
#243Digital outphasing transmitter architecture
#244Transmission circuit and communication device
#245Transmission circuit and communication device
#246Local oscillator incorporating phase command exception handling utilizing a quadrature switch
#247Systems, methods, and apparatuses for linear polar transmitters
#248Transmission circuit and communication device
#249Transmitter apparatus and wireless communication apparatus
#250Systems, methods, and apparatuses for linear envelope elimination and restoration transmitters
#251Modulation circuit device, modulation method and radio communication device
#252Method and system for digital to analog conversion for power amplifier driver amplitude modulation
#253Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
#254Transmitter and semiconductor integrated circuit for communication
#255Systems and methods of RF power transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
#256Systems and methods of RF power transmission, modulation and amplification, including embodiments for compensating for waveform distortion
#257Method and system for bandwidth calibration for a phase locked loop (PLL)
#258Systems and methods of RF power transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
#259Electrolytic depilation device
#260Apparatus for radio telecommunication system and method of building up output power
#261Measurement method and arrangement for amplitude and phase synchronization in a polar transmitter
#262Hybrid radio frequency transmitter
#263Digital transmitter
#264Polar modulator and wireless communication apparatus using the same
#265Semiconductor integrated circuit for communication, radio-communication apparatus, and transmission starting method
#266Apparatus for radio telecommunication system and method of building up output power
#267METHOD OF DIFFERENTIAL-PHASE/ABSOLUTE-AMPLITUDE POLAR QAM
#268Method and system for transmitter envelope delay calibration
#269Digital-to-radio frequency conversion device, chip set, transmitter, user terminal and data processing method
#270Wireless transceiver with modulation path delay calibration
#271Digital transmitters for wireless communication
#272Transmitter apparatus and wireless communication apparatus
#273Transmission circuit and communication apparatus employing the same
#274Transmission circuit and communication apparatus employing the same
#275Method of defining semiconductor fabrication process utilizing transistor inverter delay period
#276Gain normalization of a digitally controlled oscillator in an all digital phase locked loop based transmitter
#277Baseband compensation of an offset phase locked loop
#278Polar modulation transmission apparatus and wireless communication apparatus
#279Synchronization method and apparatus for polar modulation signals
#280Amplifier arrangement, polar transmitter having the amplifier arrangement and method for amplifying signals
#281Multi-mode envelope restoration architecture for RF transmitters
#282Polar loop radio frequency (RF) transmitter having increased dynamic range amplitude control
#283Transmitter circuit, transmission method, and communications device using the transmitter circuit
#284System and method for enlarging amplitude minima in a linear modulation signal
#285Amplifiers
#286Universal signal modulators
#287Operational amplifier, and amplitude modulator and transmitter using the same
#288Wireless communication apparatus having a phase control loop shared by first and second modulation modes and an amplitude control loop
#289Multi-mode wireless polar transmitter architecture
#290Transmitting/receiving device having a polar modulator with variable predistortion
#291Variable bandwidth envelope modulator for use with envelope elimination and restoration transmitter architecture and method
#292Polar modulator and a method for modulation of a signal
#293Polar modulator and method for modulation of a signal
#294Amplifier, information communication apparatus and amplification method
#295Polar modulator and a use thereof
#296Efficient modulation of RF signals
#297Circuit for high-resolution phase detection in a digital RF processor
#298Driver circuit for driving a power amplifier
#299Transmission method and transmitter circuit
#300Polar modulator and method for determining an amplitude offset in a polar modulator