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)
11/2012
11/21/2012CN101605001B Doppler measurement and correction method for MFSK underwater acoustic communication
11/21/2012CN101599929B Self-adaptive balancing device and method thereof
11/21/2012CN101541078B Method, system and device for estimating TDOA
11/21/2012CN101472171B Data conversion system
11/21/2012CN101431493B System and method for OFDM grouping detection and frequency deviation estimation
11/21/2012CN101414840B Digital demodulating apparatus, digital receiver, and controlling method of the apparatus
11/21/2012CN101406018B M-system phase shift keying modulation method and system
11/21/2012CN101404517B Signal frequency deviation correction method, apparatus and system
11/21/2012CN101394391B OFDM synchronization method based on four dimensional chaos system
11/21/2012CN101273598B Control channel information transfer method and base station and terminal using the same
11/21/2012CN101179291B Condition maximum likelihood estimation based ultra-wideband communication system synchronization method
11/21/2012CN101132333B Method for performing wireless switching
11/21/2012CN101019361B Transmitting and receiving method, and radio apparatus utilizing the same
11/20/2012US8316275 Turbo decoding system, transmission power control method and CDMA mobile communication terminal
11/20/2012US8315342 Method and apparatus for simplified expected symbol value computation and interference cancellation in communication signal processing
11/20/2012US8315340 Beacon signal processing circuit, high-speed synchronization circuit and receiving terminal including the same
11/20/2012US8315339 Channel estimation
11/20/2012US8315338 Orthogonality detector, and quadrature demodulator and sampling quadrature demodulator using detector thereof
11/20/2012US8315337 Broadcast receiving system and method for processing broadcast signals
11/20/2012US8315334 DTV transmitting system and method of processing DTV signal
11/20/2012US8315333 Digital broadcasting system and method for transmitting and receiving digital broadcast signal
11/20/2012US8315332 System and method for transmitting data using quantized channel rates
11/20/2012US8315331 Transmission method, transmission circuit and transmission system
11/20/2012US8315330 Method of transmitting data in wireless communication system
11/20/2012US8315322 Spectrum coding apparatus, spectrum decoding apparatus, acoustic signal transmission apparatus, acoustic signal reception apparatus and methods thereof
11/20/2012US8315321 Method and mobile communication station for communicating OFDM symbols using two or more antennas
11/20/2012US8315320 Uplink power headroom reporting for carrier aggregation
11/20/2012US8315318 OFDM signal transmitting apparatus and OFDM signal receiving apparatus
11/20/2012US8315317 Radio communication system, transmitter, receiver and radio communicating method
11/20/2012US8315316 Digital broadcasting transmission/reception system utilizing mull packet and TRS code to improve receiving performance and signal processing method thereof
11/20/2012US8315300 Enhancement of transition region equalization in a decision feedback equalizer
11/20/2012US8315299 Time-domain equalization for discrete multi-tone systems
11/20/2012US8315297 Method, device and computer program for classifying a received signal
11/20/2012US8315294 Method for searching pilot signals to synchronize a CDMA receiver with an associated transmitter
11/20/2012US8315276 Transmitting data between a base station and a transponder
11/20/2012US8315151 Radio communication system
11/20/2012US8315150 Synchronized multipoint-to-point communication using orthogonal frequency division
11/20/2012US8314688 Method and apparatus for low power modulation and massive medium access control
11/20/2012CA2726826C Diagnostic methods and systems for multicarrier modems
11/20/2012CA2696795C Method of generating reference signal in wireless communication system
11/15/2012WO2012154447A1 Linearization in the presence of phase variations
11/15/2012WO2012154430A1 Pre-distortion architecture for compensating non-linear effects
11/15/2012WO2012153922A2 Method and device for transmitting data in a multi antenna wireless communication system
11/15/2012WO2012153859A1 Relay device
11/15/2012WO2012153556A1 Differential demodulation device and differential demodulation method
11/15/2012WO2012153373A1 Amplitude/orthogonality error compensation device
11/15/2012WO2012153207A1 Digital output power measurement in radio communication systems
11/15/2012WO2012152013A1 Method and system for transmitting and receiving signal
11/15/2012WO2012152004A1 Dmrs and signaling sending method and device thereo
11/15/2012WO2012152003A1 Covariance matrix determination method, and frequency deviation estimation method and system
11/15/2012WO2012151961A1 Data transmission method and device, and frame structure
11/15/2012WO2012151960A1 Method and system for transmitting control signals
11/15/2012WO2012151948A1 Data sending method and device in wireless communication system
11/15/2012WO2012151783A1 Double frequency conversion modulation system and frequency conversion method
11/15/2012WO2011138023A3 Method and system for accurate synchronization of frequency, phase and symbol timing
11/15/2012US20120288094 Secure Modulation and Demodulation
11/15/2012US20120288043 Adaptive wireless communication receiver
11/15/2012US20120288042 Method used for providing an adaptive receiving in wireless communication
11/15/2012US20120288040 Method and Device for Implementing Automatic Frequency Control
11/15/2012US20120288039 Apparatus and method for soft demapping
11/15/2012US20120288038 Systems for processing differentiated hierarchical modulation used in radio frequency communications
11/15/2012US20120288037 Coarse bin frequency synchronization in a communication system
11/15/2012US20120288036 Predicting values in sequence
11/15/2012US20120288035 Base-band to radio frequency up-converter
11/15/2012US20120288034 Method and system for performing complex sampling of signals by using two or more sampling channels and for calculating time delays between these channels
11/15/2012US20120288033 Receiving apparatus for high frequency imaging system
11/15/2012US20120288032 Methods and devices for receipt of imbalanced transmission signal
11/15/2012US20120288029 Transmitter, transmission method, receiver, reception method, program, and integrated circuit
11/15/2012US20120288023 Increased capacity communications for ofdm-based wireless communications systems/methods/devices
11/15/2012US20120288022 Channel estimation for a very large-scale multiple-input multiple-output (mimo) system
11/15/2012US20120288021 Secondary transmitter included in cognitive radio communication system and communication method of the secondary transmitter
11/15/2012US20120288020 Receiving Apparatus, Transmitting Apparatus, Reception Method, And Transmission Method
11/15/2012US20120288018 Efficient cartesian transmitter using signal combiner
11/15/2012US20120288017 Method for transmitting a signal from a transmitter to a receiver in a power line communication network, transmitter, receiver, power line communication modem and power line communication system
11/15/2012US20120287985 Wireless power and data transmission system, power transmitting apparatus, and power receiving apparatus
11/15/2012US20120287982 Receiving Apparatus, Transmitting Apparatus, Reception Method, And Transmission Method
11/15/2012US20120287981 Multiple input multiple output and beam-forming data transmission method and device
11/15/2012US20120287978 Communication unit, integrated circuit and method of diverse polarization
11/15/2012US20120287974 Recovering data from a primary one of simultaneous signals, such as orthogonal-frequency-division-multiplexed (ofdm) signals, that include a same frequency
11/15/2012US20120287970 Method and apparatus for accommodating higher order modulation in wireless communication
11/15/2012US20120287916 Data definition apparatus, systems, and methods
11/15/2012US20120286891 Mixer cell, modulator and method
11/15/2012DE112010005209T5 Verfahren und system zur detektion von ofdm-rahmengrenzen in einem fahrzeugmehrwegekanal Method and system for detection of OFDM frame boundaries in a vehicle multipath channel
11/15/2012DE102012006453A1 System und Verfahren zur Verarbeitung eines Präambelsymbols eines terrestrischen Digitalfernsehsignals System and method for processing a preamble symbol of a terrestrial digital television signal
11/14/2012EP2523415A1 Long Term Evolution (LTE) Radio Link Timing Synchronization
11/14/2012EP2523414A1 Method and device for reporting maximum power of carrier in carrier aggregation scenario
11/14/2012EP2523413A1 Apparatus for generating orthogonal mask, and apparatus and method for generating demodulation reference signal
11/14/2012EP2523383A2 Frequency selective transmit signal weighting for multiple antenna communication systems
11/14/2012EP2523382A2 Frequency selective transmit signal weighting for multiple antenna communication systems
11/14/2012EP2523374A1 Communication apparatus, control program for communication apparatus, and integrated circuit
11/14/2012EP2523364A1 Radio Communication Apparatus and Radio Communication Method
11/14/2012EP2522157A1 Improved digital microwave radio link with a variety of ports
11/14/2012EP2522112A1 Signaling of resource assignments in cross-carrier scheduling scenarios
11/14/2012EP2522099A2 Signaling of dedicated reference signal (drs) precoding granularity
11/14/2012EP2522090A1 Channel estimation for ofdm systems
11/14/2012CN202535380U Railway communication module based on HomePlugAV standard
11/14/2012CN1954586B High speed multiple loop DSL system
11/14/2012CN1894876B Multiplexing and transmission of multiple data streams in a wireless multi-carrier communication system
11/14/2012CN1790932B Automatic power control method and system for CDMA communication systems
11/14/2012CN1788443B Pilot multiplexing method in OFDM system
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