Patents for H04L 25 - Baseband systems (55,083)
05/2000
05/17/2000EP1001580A1 Demodulator for differential phase shift keying signal using a maximum likelihood sequence estimator
05/17/2000EP1001579A1 Method and apparatus for determining properties of a signal transmission channel
05/17/2000EP1001540A2 Block coding method and apparatus
05/17/2000EP1001539A2 Conversion method, restoration method, conversion device, and restoration device
05/17/2000EP1001373A1 Data processing apparatus and data processing methods
05/17/2000EP1001346A2 Method and apparatus for transmitting digital signals over an optical cable
05/17/2000EP1000490A1 Methods and apparatus for joint demodulation of adjacent channel signals in digital communications systems
05/17/2000EP1000489A1 Methods and apparatus for canceling adjacent channel signals in digital communications systems
05/17/2000EP1000469A2 Cable interface for data and power supply
05/17/2000EP0999955A1 System for transmitting data in a motor vehicle
05/17/2000CN1253699A Method and arrangement for controlling scanning of radio channels by mobile station operating in standby mode
05/17/2000CN1253686A Method and device for regulating decision threshold and sampling point of data regenerator
05/17/2000CN1253684A Method for regenerating data
05/17/2000CN1253433A Channel characteristics inference device
05/16/2000US6065129 Clock signal detection circuit
05/16/2000US6065030 Method and apparatus for implementing short-word division techniques in a multiple modulus conversion context
05/16/2000US6064705 Manchester encoding and decoding system
05/16/2000US6064703 MAP receiver for high-speed numerical transmissions through rayleigh channels noisy and dispersive in time and frequency
05/16/2000US6064697 Pulse modulating method, pulse modulating equipment and pulse demodulating equipment
05/16/2000US6064248 Clock pulse transmission circuit
05/16/2000CA2254307A1 Method and apparatus for interference cancellation in a high-speed modem
05/11/2000WO2000027110A1 Ntsc interference rejection filter
05/11/2000WO2000027085A1 Fractional-bit transmission using multiplexed constellations
05/11/2000WO2000027083A1 Equalization method especially for offset modulation modes
05/11/2000WO2000027082A1 Cmos transmitter with programmable power
05/11/2000WO2000027079A1 Internet gigabit ethernet transmitter architecture
05/11/2000WO2000027066A2 Dual mode qam/vsb receiver
05/11/2000WO2000027065A1 Measurement of nonlinear distortion in transmitters
05/11/2000WO2000027061A1 Communication device and method
05/11/2000WO2000027058A1 Codec supporting pcm modem communications over a universal digital loop carrier
05/11/2000WO2000027046A1 Method and radio station for the transmission of predistorted signals via several radio channels
05/11/2000WO2000027042A1 Mobile station receiving method and mobile station receiver
05/11/2000WO2000016490A8 Method and arrangement in a radio receiver
05/11/2000WO2000013382B1 Feher keying (fk) modulation and transceivers including clock shaping processors
05/11/2000DE19850279A1 Verfahren für die Übertragung von Signalen zwischen einer ersten Funkstation und einer zweiten Funkstation und Funkstation Procedures for the transmission of signals between a first radio station and a second radio station and radio station
05/11/2000CA2347747A1 Equalization method especially for offset modulation modes
05/11/2000CA2346785A1 Mobile station receiving method and mobile station receiver
05/11/2000CA2309208A1 Communication system and communication method
05/10/2000EP0999675A2 Line fault detecting circuit for electrical data transmission system
05/10/2000EP0999654A2 Receiver and signal transmission system
05/10/2000EP0999651A2 Channel characteristics estimation apparatus
05/10/2000EP0998820A1 Television signal data transmission system
05/10/2000EP0998805A1 Determination of the length of a channel impulse response
05/10/2000EP0998792A2 Write/read device for communication with transponders, having first coding means and second coding means
05/10/2000EP0998785A1 Adaptively equalized burst receiver and method for upstream broadband data
05/10/2000EP0978190A4 Direct digital access arrangement circuitry and method for connecting to phone lines
05/10/2000EP0875106A4 A self-initialized coder and method thereof
05/10/2000CN1252656A Method and apparatus for determining data rate transmitted by variable rate
05/09/2000US6061704 Method and apparatus for rate conversion
05/09/2000US6061427 Transmission power control method in asymmetric digital subscriber line system
05/09/2000US6061411 Method and apparatus for synchronizing a serial bus clock to a serial bus function clock
05/09/2000US6061410 Frequency ratio estimation arrangement and method thereof
05/09/2000US6061396 Method and apparatus for modified baud rate sampling
05/09/2000US6061395 Waveform equalizer
05/09/2000US6061357 Ethernet to ADSL adapter
05/09/2000US6061327 Device and method for vector equalization of an OFDM signal
05/09/2000US6060908 Databus
05/09/2000US6060890 Apparatus and method for measuring the length of a transmission cable
05/04/2000WO2000025493A1 Method and apparatus for reducing emi emissions
05/04/2000WO2000025490A1 Method and device for processing a received signal transmitting coded data
05/04/2000WO2000025489A1 Signal separation method and device for non-linear mixing of unknown signals
05/04/2000WO2000025447A2 Diversity receiver for radio communications
05/04/2000WO2000025442A1 Channel estimation in a cellular communication system
05/04/2000DE19850672A1 Leitungsfehlerprüfschaltung für ein elektrisches Datenübertragungssystem Line error for an electrical data transmission system
05/04/2000DE19849408A1 Verfahren und Vorrichtung zum Aufbereiten eines empfangenen Signals, das Daten codiert übermittelt Transmitted Method and apparatus for processing a received signal, the encoded data
05/04/2000DE19848211A1 Datenübertragungsverfahren Data transmission method
05/03/2000EP0998083A1 Equalisation method, particularly for offset modulation types
05/03/2000EP0998082A1 Input/output matched bidirectional CMOS link
05/03/2000EP0998068A1 Method and apparatus for signal reception, and medium
05/03/2000EP0998054A1 Method for estimation of an impulse response of a signal transmission channel and mobile station
05/03/2000EP0997751A2 All-pass optical filter
05/03/2000EP0996999A2 Can bus driver with symmetrical differential output signals
05/03/2000CN1252203A Predictive coding method and decoding method for dynamic image
05/03/2000CN1252195A System and method for spectrally shaping transmitted data signals
05/03/2000CN1251966A Method and apparatus for transmitting digit data signals
05/02/2000US6058145 Method of demodulating a multi-frequency quadrature modulated signal
05/02/2000US6058144 Multi-GB/S data pulse receiver
05/02/2000US6058119 SDH/sonet interface
05/02/2000CA2192913C Reformatting of variable rate data for fixed rate communication
05/02/2000CA2142388C System for, and method of, transmitting and receiving through telephone lines signals representing data
04/2000
04/30/2000CA2281486A1 All-pass optical filters
04/27/2000WO2000024173A2 Apparatus and method for determining the closest coset points in a trellis decoder
04/27/2000WO2000024172A1 Data transmission method
04/27/2000WO2000024171A1 Avoiding forbidden patterns in audio or video data
04/27/2000WO2000024170A1 Method and apparatus of providing adaptive equalization using sign permutation filtering
04/27/2000WO2000024169A1 Digital variable symbol rate modulation
04/27/2000WO2000024168A1 Adaptive channel tracking using pilot sequences
04/27/2000WO2000024149A2 Apparatus and method for high performance half-rate encoding in full-rate transmission in a tdm system
04/27/2000WO2000024140A1 Neural network is-95 rate determination
04/27/2000WO2000010272B1 Efficient spectral saving fqpsk and fqam signal transmission and reception systems
04/27/2000CA2346104A1 High performance half-rate encoding apparatus and method for a tdm system
04/27/2000CA2345534A1 Adaptive channel tracking using pilot sequences
04/27/2000CA2336916A1 Data transmission method
04/26/2000EP0996262A1 Communication system with plurality of synchronised data links
04/26/2000EP0996261A2 Method and system for rapid synchronization of a point to multipoint communication system
04/26/2000EP0996251A1 Sub-scrambling/descrambling method and sub-scrambling/descrambling device
04/26/2000EP0996247A1 CDMA receiver and CDMA transmitter/receiver
04/26/2000EP0996239A2 Automatic power control system for a code division multiple access (CDMA) communications system
04/26/2000EP0996237A1 Timing estimation for GMS bursts based on previously determined average values
04/26/2000EP0995263A1 Impedance match of transmission lines