Patents for H04L 27 - Modulated-carrier systems (89,721)
07/2003
07/23/2003EP1330092A2 Multiresolution transmission
07/23/2003EP1330091A1 Method of selecting a position of a FFT window in a COFDM receiver
07/23/2003EP1330090A2 Multiresolution transmission with multicarrier modulation
07/23/2003EP1330089A2 Multiresoltion transmission and error correction coding with multicarrier signals
07/23/2003EP1330088A2 Multiresolution transmission
07/23/2003EP1330087A2 Symbol timing recovery for multicarrier receivers
07/23/2003EP1330063A1 Signal multiplexer
07/23/2003EP1330045A1 Transmitter and receiver of spectrum spread communication system, and modulation and demodulation methods thereof
07/23/2003EP1330041A1 A method and an apparatus for improving the carriers' output power of a broadband multi-carrier base-station
07/23/2003EP1329071A2 Data allocation for multicarrier transmission
07/23/2003EP1329070A2 Method for generating soft bit information from gray coded signals
07/23/2003EP1329043A2 An improved threshold extension block phase estimator for quasi-coherent communications systems
07/23/2003EP1329028A1 Subharmonic mixer circuit and method
07/23/2003EP1236327A4 Vector modulation system and method for wideband impulse radio communications
07/23/2003EP1219039B1 Device and method for processing a digital data signal in a cdma radio transmitter
07/23/2003EP0860071A4 System and method for multiplexing a spread spectrum communication system
07/23/2003EP0700616B1 A frequency agile radio
07/23/2003CN1432245A Double information packet configuration of radio communication
07/23/2003CN1432244A Method for synchronising OFDM symbols during radio transmissions
07/23/2003CN1432225A Radio device
07/23/2003CN1115909C Single-carrier-frequency transmitter of GSM base station
07/23/2003CN1115874C Circuit and method for adaptively calculating decision error of digital signal in digital modulation system
07/23/2003CN1115835C Circuit for detecting phase of received signal
07/23/2003CN1115834C Signal Point arrangement dipersion calculation circuit
07/23/2003CN1115833C Method and device for digitally demodulating frequency modulated signal
07/23/2003CN1115797C Double-mode demodulator
07/23/2003CN1115793C Wide-band CDMA system binary phase-shift keying/orthogonal phabe-shift keying modulator
07/23/2003CN1115774C Method and appts. for automatic gain control in digital receiver
07/22/2003US6598203 Parallel punctured convolutional encoder
07/22/2003US6598200 Method and apparatus for frequency domain data frame transmission
07/22/2003US6597754 Compensation of frequency pulling in a time-division duplexing transceiver
07/22/2003US6597751 Method of displaying signals in the presence of inter symbol interference
07/22/2003US6597748 Method and apparatus for receiving a signal
07/22/2003US6597747 Baseband signal processing circuit capable of accurately setting phase difference between analog I signal and analog Q signal to 90 degrees
07/22/2003US6597746 System and method for peak to average power ratio reduction
07/22/2003US6597745 Reduced complexity multicarrier precoder
07/22/2003US6597744 Transmitter for electronic article surveillance system
07/22/2003US6597733 Equalizer performance enhancements for broadband wireless applications
07/22/2003US6597728 Device and method for correcting local oscillation frequency of radio reception device according to pilot synchronous detection
07/22/2003US6597726 Receiver including an apparatus for generating complex four-phase sequences
07/22/2003US6597725 Carrier phase follower and frequency hopping receiver
07/22/2003US6597251 Method for demodulating signal
07/22/2003US6597247 Circuit for the frequency multiplication of an angle modulated signal using a PLL and method
07/22/2003US6597238 Demodulating circuit of wireless receiving apparatus and demodulating method
07/22/2003US6597208 Digital synthesizer with coherent division
07/22/2003US6595414 Passive data carrier having means for reducing the power consumption
07/22/2003CA2177221C Process for incorporating binary data to a carrier wave, particularly a light wave, and transmission system using said process
07/22/2003CA2136615C Qam signal encoding/decoding system
07/22/2003CA2086295C Method of coherent modulation and demodulation for hf data transmission at high bit rate
07/17/2003WO2003058904A1 Joint equalization, soft-demapping and phase error correction in wireless system with receive diversity
07/17/2003WO2003058887A1 Co-existence of ofdm and dsss/cck stations in a wlan
07/17/2003WO2003058881A2 Coexistence of modulation schemes in a wlan
07/17/2003WO2003058852A1 System and method for avoiding stall using timer for high-speed downlink packet access system
07/17/2003WO2003058839A1 Rake receiver with individual finger compensator(s)
07/17/2003US20030135532 Apparatus and method for correcting signal imbalances using complex multiplication
07/17/2003US20030134607 Multi-channel communications transceiver
07/17/2003US20030133525 Method and apparatus for frame alignment in discrete multitone transceivers
07/17/2003US20030133518 Estimation and correction of DC offset in the presence of frequency offset
07/17/2003US20030133517 Signal generating circuit
07/17/2003US20030133515 Transmitting apparatus and method, receiving apparatus and method, program and recording medium, and transmitting/receiving system
07/17/2003US20030133498 Method for setting up a data transmission link between xDSL transceivers
07/17/2003US20030133433 Method and system for reduction of peak-to-average power ratio of transmission signals comprising overlapping waveforms
07/17/2003US20030133404 Pre-distortion method for telecommunication system and transmitter for mobile terminal of MC-CDMA telecommunication system
07/17/2003DE10162545C1 Multi-carrier data transmission method with adaptive modulation of data dependent on actual channel status information
07/16/2003EP1328100A1 OFDM receiver and method for correcting multipath phase deviation using a training sequence and for performing carrier and clock recovery using pilot symbols
07/16/2003EP1328099A1 Optimised bit loading for VDSL
07/16/2003EP1328098A1 Code division multiple access communication system and method using ternary phase shift keying
07/16/2003EP1328083A1 Pre-distortion method for an MC-CDMA uplink
07/16/2003EP1328067A1 Hetrodyne receiver and ic
07/16/2003EP1327343A1 Adaptive equaliser
07/16/2003EP1327342A1 Channel estimate predicted from several previous channel estimates, for pre-equalization
07/16/2003EP1166433B1 Signal processing
07/16/2003EP1105978B1 Method for simultaneously measuring the propagating characteristics of a plurality of radioelectric channels
07/16/2003EP0922346B1 Improvements in, or relating to, multi-carrier transmission systems
07/16/2003EP0914719B1 Method and apparatus for detecting communication signals having unequal error protection
07/16/2003CN1430843A Device and method for verifying reception of signal with predetermined frequency
07/16/2003CN1430818A CDMA system which uses pre-rotation before transmission
07/16/2003CN1430390A Device and method for compensating error of analog integral modulator
07/16/2003CN1430354A Method for suppressing phase noise by transmission parameter signallings
07/16/2003CN1430353A Minimum Eustachian distance maximized constellation mapping cascade error-correction coding method
07/16/2003CN1430334A Emitter device and communication system using the device
07/16/2003CN1430209A Information storage medium, information recording device and information playback device
07/16/2003CN1115048C Signal transmitting, receiving device and method, signal transmitting system and signal transmitting-receiving method
07/16/2003CN1115032C Receiver with controllable amplifier means
07/16/2003CN1115030C Apparatus for generating absolute phase of signal received by receiver
07/16/2003CN1115028C Data receiving apparatus and demodulator circuit
07/16/2003CN1115020C Delay detection demodulation system
07/16/2003CN1115005C Multi-carrier tansmission system and method thereof
07/16/2003CN1114895C Local frequeny correction
07/15/2003US6594715 Method and apparatus for interfacing asymmetric digital subscriber lines to a codec
07/15/2003US6594360 Circuit configuration for two-wire/four-wire conversion
07/15/2003US6594328 Method and apparatus for facilitating an estimation of a carrier frequency error in a receiver of a wireless communication system
07/15/2003US6594322 Method of distributed loop control for a multicarrier telephony transport
07/15/2003US6594320 Orthogonal Frequency Division Multiplexed (OFDM) carrier acquisition method
07/15/2003US6594319 Apparatus and method for determining the closest coset points in a trellis decoder
07/15/2003US6594318 Method and apparatus for computing soft decision input metrics to a turbo decoder
07/15/2003US6594304 Adaptive configurable class-A/class-B transmit DAC for transceiver emission and power consumption control
07/15/2003US6594286 Method and apparatus for coherent demodulation in communication system employing a potentially gated pilot signal
07/15/2003US6593827 Modulating array transmitter autocalibration method and system
07/10/2003WO2003056774A1 Qam multiresolution system with automatic repeat request for each data stream_________________