Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 27 - Modulated-carrier systems
Patents for H04L 27 - Modulated-carrier systems (89,721)
11/2013
11/27/2013EP2666245A1 Method and apparatus for receiving signal in multi-node system
11/27/2013EP2666241A1 Coexistence mechanism for noncompatible powerline communication devices
11/27/2013EP2666162A1 An audio alignment apparatus
11/27/2013CN103416036A Quadrature demodulator
11/27/2013CN103415078A Dynamic resource distributing method using mobile terminal as relay in OFDMA system
11/27/2013CN103415076A Interference coordination method based on decision theory in multi-cell OFDMA system
11/27/2013CN103414819A Data communication method of audio interface of mobile intelligent device
11/27/2013CN103414681A Method for decreasing bit error rate in LTE (Long Term Evolution) system on basis of error vector magnitude
11/27/2013CN103414680A Balanced photoelectric detection method and system capable of eliminating beat interference between signals
11/27/2013CN103414679A Mapping method and device for resource elements in LTE system
11/27/2013CN103414678A Doubly selective channel transform domain equalization method based on Vector OFDM
11/27/2013CN103414677A Orthogonal frequency division multiplexing transmission method with joint orthogonal transformation interweaved with signals
11/27/2013CN103414676A Self-adaptation and self-synchronizing TCM-MPPM coded modulation and demodulation communication method and system
11/27/2013CN103414675A Single-user quick bit loading method for broadband power line OFDM system
11/27/2013CN103414674A MAPSK self-adaptive demodulating system
11/27/2013CN103414673A Power line OFDM modulation method and device
11/27/2013CN103414672A Demodulation device of satellite subcarrier modulation signal
11/27/2013CN103414667A OFDM self-adaptive channel estimation method based on two-dimensional scattered pilot frequencies
11/27/2013CN103414666A Two-dimensional self-adaptive OFDM channel estimation method based on uniformly distributed pilot frequencies
11/27/2013CN103414523A Method for measuring modulation quality parameters based on software radio technology and system
11/27/2013CN103414514A System and method for visible light communication based on OFDM modulation codes and frequency division receiving
11/27/2013CN103414503A System adopting phase diversity receiving technology to receive coherent light orthogonal frequency division multiplexing access signals
11/27/2013CN103414495A Signal modulation method of power line carrier communication
11/27/2013CN103414494A Signal frame generation method of power-line carrier communication system
11/27/2013CN102821078B Blind channel estimation method based on OFDM (orthogonal frequency division multiplexing) signal cyclostationary features
11/27/2013CN102394850B Modulation mode of navigation signal and demodulation method
11/27/2013CN102223344B Method and system for estimating residual fractional frequency offset
11/27/2013CN101868949B Wireless communication method, radio transmitter apparatus and radio receiver apparatus
11/27/2013CN101821975B Radio communication device and constellation control method
11/27/2013CN101292487B Method and device for transmitting pilots?in efficient manner
11/26/2013US8594513 Time delay adjustment device and method
11/26/2013US8594254 Waveform interpolator architecture for accurate timing recovery based on up-sampling technique
11/26/2013US8594252 Interference cancellation for wireless communications
11/26/2013US8594251 Long-term drift mitigation for radio frequency receivers utilizing a free-running crystal
11/26/2013US8594250 Apparatus and methods for computing constant amplitude zero auto-correlation sequences
11/26/2013US8594249 Device and method for detecting a useful signal by detecting a periodic signal contained in the useful signal
11/26/2013US8594248 Reverse indexing methods and systems
11/26/2013US8594247 Method and apparatus for channel quality measurements
11/26/2013US8594246 Multi-Viterbi receive channel decoder
11/26/2013US8594243 Device and method of data recovery
11/26/2013US8594242 Method of receiving modulation symbols
11/26/2013US8594240 Method circuit and system for adapting a receiver to receive chain components based on characteristics of a received signal
11/26/2013US8594239 Estimating document similarity using bit-strings
11/26/2013US8594238 Apparatus and method for estimating channel in channel domain
11/26/2013US8594236 Radio communication system, base station, mobile station, and radio communication method
11/26/2013US8594235 Apparatus and method for transmitting data using transmission diversity in wireless communication system
11/26/2013US8594234 Multiple transmission apparatus with reduced coupling
11/26/2013US8594233 Quadrature communications device with power combiner and related methods
11/26/2013US8594230 System and method for constructing unique word sets for efficient detection using orthogonal functions
11/26/2013US8594229 Method of generating reference signal in wireless communication system
11/26/2013US8594228 Apparatus and method of differential IQ frequency up-conversion
11/26/2013US8594227 Measurement of system time delay
11/26/2013US8594226 Method for processing a digital signal in a digital delta-sigma modulator, and digital delta-sigma modulator therefor
11/26/2013US8594225 Circuit arrangement, apparatus and process for the serial sending of data via a connection contact
11/26/2013US8594216 Beamforming feedback options for MU-MIMO
11/26/2013US8594215 MIMO system having a plurality of service antennas for data transmission thereof
11/26/2013US8594213 Signal processing device and method
11/26/2013US8594212 IQ-imbalance compensation in presence of carrier offset
11/26/2013US8594210 Method and apparatus for positioning an FFT-window in an OFDM-receiver
11/26/2013US8594209 Distance estimation
11/26/2013US8594207 Method and apparatus for providing channel quality feedback in an orthogonal frequency division multiplexing communication system
11/26/2013US8594206 Wireless transmission apparatus, wireless reception apparatus, wireless communication system, and wireless communication method
11/26/2013US8594172 Adaptation of baseline wander correction loop gain settings
11/26/2013US8594165 Half-symbol constellation display
11/26/2013US8594156 Multi-carrier spread spectrum device using cyclic shift orthogonal keying, transmitter, receiver, and communication system thereof
11/26/2013US8594152 Pilot scrambling enabling direct pilot sequence detection in initial acquisition in Evolved UTRA
11/26/2013US8593937 OFDM-CDMA equipment and method
11/26/2013US8593935 Method of transmitting data in multi-cell cooperative wireless communication system
11/26/2013US8593525 Phasor-based pulse detection
11/26/2013CA2553192C Peak-to-average power reduction for fm ofdm transmission
11/22/2013CA2811513A1 System and method for transmitting data through a digital interface
11/21/2013WO2013173809A1 Systems and methods to enhance spatial diversity in distributed input distributed output wireless systems
11/21/2013WO2013173406A1 Methods and apparatus for positioning reference signals in a new carrier type
11/21/2013WO2013172772A1 Enhanced receiver configuration adaptive to cyclic prefix configuration
11/21/2013WO2013172748A1 Frequency offset estimation between a mobile communication terminal and a network node
11/21/2013WO2013171823A1 Receiving device and receiving method
11/21/2013WO2013171417A1 Method for high bit rate wireless communication using a multiple output receiver
11/21/2013WO2013170622A1 Radio-frequency signal control method and device
11/21/2013WO2013170338A1 Apparatus for generating dedicated data channels in backscatter rfid system using band -pass delta sygma modulator
11/21/2013WO2013170337A1 Apparatus for generating dedicated data channels in backscatter rfid system using low pass delta sygma modulator
11/21/2013US20130308729 Demapper for a multiple-input, multiple-output symbol receiver
11/21/2013US20130308726 Method and apparatus for sending signals
11/21/2013US20130308721 System and method for data scrambling to reduce the crest factor in an ofdm waveform
11/21/2013US20130308718 System and method for digital signaling
11/21/2013US20130308695 Method and System for Adaptive Tone Cancellation for Mitigating the Effects of Electromagnetic Interference
11/21/2013US20130308486 High data throughput wireless local area network receiver
11/20/2013EP2665233A1 Feed-forward control signaling and decoding schemes
11/20/2013EP2665218A1 Method and apparatus for transmitting overload indicator over the air
11/20/2013EP2665217A1 Multi-channel support within single user, multiple user, multiple access, and/or MOMO wireless communications
11/20/2013EP2665216A1 Multi-channel support within single user, multiple user, multiple access, and/or MIMO wireless communications
11/20/2013EP2665019A1 Signal processing device, signal processing method, and receiving device
11/20/2013EP2664116A1 A method and an apparatus for efficiently transmitting channel status information in a wireless communication system supporting multiple carriers
11/20/2013EP2664077A1 Method and system for communicating data over the power line
11/20/2013EP2545690B1 Processing resource optimization in communication systems
11/20/2013EP2363970B1 Pilots for MIMO communication systems
11/20/2013EP2362597B1 Process for performing log-likelihood-ratio clipping in a soft-decision near-ML detector, and detector for doing the same
11/20/2013EP2274688B1 Device for performing fast fourier transform (FFT) for orthogonal frequency division multiplexing (OFDM) demodulation
11/20/2013EP2255475B1 Method for transmitting multi-carrier signals in a multi-antenna system
11/20/2013EP2206300B1 PHY Preamble including a MAC Header
11/20/2013EP2161893B1 New frame and data pattern structure for multi-carrier systems
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