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)
08/2012
08/16/2012US20120207198 Symbol timing acquisition using early-late interpolation
08/16/2012US20120207196 High-Speed Signaling Systems with Adaptable Pre-Emphasis and Equalization
08/16/2012US20120207191 Wireless communication device
08/16/2012US20120207114 Method and apparatus for candidate list generation for uplink v-mimo
08/16/2012US20120206429 Method of processing data and a display apparatus performing the method
08/15/2012EP2487980A1 Base station device and mobile communication method
08/15/2012EP2487901A2 Method and apparatus for transceiving broadcast signals
08/15/2012EP2487854A1 I/Q imbalance estimation and correction in a communication system
08/15/2012EP2487853A2 Method and apparatus for performing harq in a wireless communication system
08/15/2012EP2487852A2 Method and apparatus for transmitting an uplink control signal in a wireless communication system
08/15/2012EP2487851A1 Method and apparatus for noise estimation in orthogonal frequency division multiplexing (ofdm) system
08/15/2012EP2487790A1 Papr (peak-to-average power ratio) determining apparatus and communication apparatus
08/15/2012EP2486668A2 Method and apparatus for transmitting and receiving multi-user control channels in a wireless communication system with multiple antennas
08/15/2012EP2486658A2 Efficient signaling for closed-loop transmit diversity
08/15/2012EP2163057B1 Memory-saving method for generating soft bit values from an ofdm signal
08/15/2012EP2074787B1 Beacon coding in wireless communications systems
08/15/2012EP1894378B1 Receiver apparatus for receiving a multicarrier signal
08/15/2012EP1875697B1 Initial parameter estimation in ofdm systems
08/15/2012EP1700401B1 Multicarrier receiver with antenna selection
08/15/2012EP1694016B1 Device and method for correcting a data error in communication path
08/15/2012EP1497916B1 Decision feedback equalizer
08/15/2012EP1407588B1 Method and apparatus for acquiring and tracking pilots in a cdma communication system
08/15/2012CN202385090U Carrier type wire communication device
08/15/2012CN1902871B Bandwidth signalling
08/15/2012CN1726684B Signal processing method and apparatus using bit confidence values
08/15/2012CN1615624B Rate selection for an OFDM system
08/15/2012CN102640470A Data sending and receiving method, apparatus and system being applied in orthogonal frequency division multiple access system
08/15/2012CN102640469A Enabling phase tracking for a communication device
08/15/2012CN102638629A Shortwave modulator/demodulator and modulation/demodulation method thereof
08/15/2012CN102638438A Am-pm synchronization unit
08/15/2012CN102638437A Multi-carrier transmission method and device based on selected carrier modulation
08/15/2012CN102638436A Method and system for realizing high-security fast frequency-hopping transmission
08/15/2012CN102638435A Pilot signal transmission method and mobile communication system
08/15/2012CN102638434A OFDMA (orthogonal frequency division multiple access)-based fusion access network system
08/15/2012CN102638433A Signal processing method, device and system
08/15/2012CN102638432A Resource mapping method and device for space frequency block code (SFBC)
08/15/2012CN102638431A Bit dispensing equipment, transmitter, bit distribution method and power distribution method
08/15/2012CN102638430A DP (dual-polarization)-QPSK (quadrature phase shift keying) demodulator
08/15/2012CN102638429A Wide band polar modulator
08/15/2012CN102638428A 2CPFSK (continuous-phase frequency-shift keying) digital-modulation super-Nyquist application device
08/15/2012CN102638425A Method and device for estimating downlink channels in long-term evolution system
08/15/2012CN102638424A Dynamically adjusted OFDM channel estimation filtering in OFDM communications
08/15/2012CN102638334A Method for processing signals at receiving end in long-term evolution system and communication system
08/15/2012CN102638312A Coherent optical reception method and device based on orthogonal reference symbols
08/15/2012CN102638310A OFDM-PON (orthogonal frequency division multiplexing-passive optical network) system without optical source and radio frequency source in optical network unit
08/15/2012CN102638298A Transmitter
08/15/2012CN101932090B System and method for intelligent transmitted power control scheme
08/15/2012CN101917378B Method for reducing peak-to-average power ratio of OFDM signal
08/15/2012CN101854328B Layered space-time nonlinear precoding method in multi-carrier code division multiple access (MC-CDMA) system
08/15/2012CN101741782B Double-layer multi-carrier ultra-broadband wireless communication method
08/15/2012CN101710888B Compound signal transmission and communication method based on equal-amplitude equal-period modulated carrier wave technology
08/15/2012CN101405955B MIMO receiver and method for beamforming using CORDIC operations
08/15/2012CN101355405B Method and apparatus for channel quality measurements, communication system, self-adapting modulating and encoding method
08/15/2012CN101350634B Method for modulating short-wave communication frequency-sweeping head of wireless sensing network
08/15/2012CN101312447B Integral frequency bias and fine synchronization method and apparatus of receiver
08/15/2012CN101154953B Digital broadcast receiver
08/14/2012US8244132 Pre-compensation method for delays caused by optical fiber chromatic dispersion, multi-sub-carrier signal generator applying the method, and transmitter of optical-OFDM system applying the signal generator
08/14/2012US8243866 Analog baud rate clock and data recovery
08/14/2012US8243859 Joint frequency and unique word detection
08/14/2012US8243857 Cordic based complex tuner with exact frequency resolution
08/14/2012US8243856 Adaptable demodulator
08/14/2012US8243855 Calibrated quadrature generation for multi-GHz receiver
08/14/2012US8243854 Amplitude control circuit, polar modulation transmission circuit and polar modulation method
08/14/2012US8243849 Digital television transmitter/receiver and method of processing data in digital television transmitter/receiver
08/14/2012US8243848 Radio communication apparatus and method
08/14/2012US8243847 Digital transmitter
08/14/2012US8243846 Transmission device with enhanced signals
08/14/2012US8243845 Pre-emphasis automatic adjusting method and data transmission system using same
08/14/2012US8243844 Power reduction for digital subscriber line
08/14/2012US8243839 Base station, mobile station and method
08/14/2012US8243836 Channel estimation apparatus and method in mobile communication system having dispersed pilot
08/14/2012US8243833 Method for transmitting a multicarrier signal designed for limiting interference, signal, emitting device, receiving method and device and corresponding computer programs
08/14/2012US8243832 Encoded space time warped asymmetrical signaling
08/14/2012US8243781 Apparatus and method for signal quality measurement on GFSK signals
08/14/2012US8243756 Methods, computer program products and apparatus providing improved quantization
08/14/2012US8243753 Data definition apparatus, systems, and methods
08/14/2012US8243749 Wireless communication system, associated methods and data structures
08/14/2012US8243695 Method and apparatus for improved detection of rate errors in variable rate receivers
08/14/2012US8243583 OFDM/DMT/digital communications system including partial sequence symbol processing
08/14/2012US8243580 Dynamic allocation of cyclic extension in orthogonal frequency division multiplexing systems
08/14/2012US8243554 Analog type electronic timepiece
08/09/2012WO2012103932A1 Channel configuration
08/09/2012WO2012103824A2 Method, device, and transmission system for generating quadrature amplitude modulation signal
08/09/2012WO2011094124A8 Universal wireless trainable transceiver unit with integrated bidirectional wireless interface for vehicles
08/09/2012US20120201335 Start-up automatic frequency control (afc) method and apparatus
08/09/2012US20120201334 Decoding apparatus, decoding method and recording medium
08/09/2012US20120201332 Memory-Aided Synchronization In A Receiver
08/09/2012US20120201331 Data transmission apparatus and method, and data reconstitution apparatus and method
08/09/2012US20120201330 Method and system for transmitting signals with reduced spurious emissions
08/09/2012US20120201328 Digital broadcasting method
08/09/2012US20120201327 Apparatus and method for transmitting/receiving the hybrid-arq ack/nack signal in mobile communication system
08/09/2012US20120201326 Signal and devices for wired networks
08/09/2012US20120201325 Apparatus and method for providing a reduced representation based on a time-domain rf signal
08/09/2012US20120201318 Apparatus and method for transmitting and receiving reference signal (rs) for demodulation
08/09/2012US20120201317 Stack signaling to application with lack of requested bandwidth
08/09/2012US20120201316 Control Mode PHY for WLAN
08/09/2012US20120201315 Control Mode PHY for WLAN
08/09/2012US20120201314 Apparatus and method for reducing peak to average power ratio through recombination of orthogonal frequency division multiplexing symbol
08/09/2012US20120201313 Serial communication circuit, semiconductor device, and serial communication controlling method
08/09/2012US20120201287 Communication device and method of setting communication device
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