Patents for H04L 25 - Baseband systems (55,083)
05/2001
05/24/2001US20010001546 Power efficient line driver
05/24/2001CA2327040A1 Method and apparatus for regenerating data
05/23/2001EP1102446A2 Digital signal transmission circuit
05/23/2001EP1102420A1 Receiver and equalizing method
05/23/2001EP1102160A2 Synchronous digital data transmitter
05/23/2001EP1101335A1 Replacement of special characters in a data stream
05/23/2001EP1101334A1 Dynamic sampling of a transmission channel
05/23/2001EP1101169A1 Isolated high-speed communication bus
05/23/2001EP0775405B1 Method of and apparatus for interference rejection combining in multi-antenna digital cellular communications systems
05/23/2001CN1296673A Method and arrangement in analog line interface circuit
05/22/2001US6236695 Output buffer with timing feedback
05/22/2001US6236686 Data processing equipment and method
05/22/2001US6236678 Method and apparatus for converting between byte lengths and burdened burst lengths in a high speed cable modem
05/22/2001US6236677 Modem operating with central office clock
05/22/2001US6236647 Dynamic frame size adjustment and selective reject on a multi-link channel to improve effective throughput and bit error rate
05/22/2001US6236283 Methods and apparatus for generating a filtered signal having a fixed sampling rate from a variable baud rate input data stream
05/22/2001US6236242 Line receiver circuit with large common mode range for differential input signals
05/17/2001WO2001035623A1 A low insertion loss current sense circuit
05/17/2001WO2001035614A1 Method and apparatus for the prediction and optimization in impaired communication systems
05/17/2001WO2001035611A1 Method and apparatus for cooperative diagnosis of impairments and mitigation of disturbers in communication systems
05/17/2001WO2001035609A1 Method and apparatus for impairment diagnosis in communication systems
05/17/2001WO2001035608A1 Method and apparatus for mitigation of disturbers in communication systems
05/17/2001WO2001035607A1 Design and architecture of an impairment diagnosis system for use in communications systems
05/17/2001WO2001035561A1 Multicarrier digital transmission system using an oqam transmultiplexer
05/17/2001WO2000070773A3 Amplitude and phase estimation method in a wireless communication system
05/17/2001DE19954248A1 Transmitter for message and data transmission, has cleaning device with direct galvanic coupling which optically receives signals and removes variations of clock pulse, signal amplitude and phase noise
05/17/2001DE19948373A1 Verfahren zur Kanalentzerrung Method for channel equalization
05/17/2001DE10056396A1 Waveform shaping circuit has simultaneous line stages between input, output nodes, current mirror circuits, capacitance device coupled to mirror circuit(s) and output node
05/16/2001EP1100211A1 Filter for telecommunications system
05/16/2001EP1100202A1 De-interleave circuit
05/16/2001EP1099328A1 Channel impulse response estimation using received signal variance
05/16/2001EP0845174A4 Method of encoding and signal processing to extend range of transmission over repeaterless two-wire telephone line
05/16/2001CN1295750A Method for demodulating carrier wave modulated by digital symbol sequence
05/16/2001CN1295744A Detection of code vectors in single frequency, multiple transmitter networks
05/16/2001CN1295330A Reproducing Device and method for improving performance of data using regulating filter coefficient of equalizer
05/15/2001US6233718 Avoiding forbidden data patterns in coded audio data
05/15/2001US6233291 Method and apparatus for performing data sorting in a decoder
05/15/2001US6233286 Path-oriented decoder using refined receiver trellis diagram
05/15/2001US6233285 Intrinsically safe cable drive circuit
05/15/2001US6233284 High speed communications system for analog subscriber connections
05/15/2001US6233276 XDSL modem having time domain filter for ISI mitigation
05/15/2001US6233275 High speed communications system for analog subscriber connections
05/15/2001US6233273 Rake receiver with embedded decision feedback equalizer
05/15/2001US6233230 Neural network IS-95 rate determination
05/15/2001US6233225 Line coding mismatch detection technique
05/15/2001US6232895 Method and apparatus for encoding/decoding n-bit data into 2n-bit codewords
05/15/2001US6232818 Voltage translator
05/15/2001US6232792 Terminating transmission lines using on-chip terminator circuitry
05/15/2001CA2221544C Forward error correction assisted receiver optimization
05/15/2001CA2191702C Recording medium, data transmission method and apparatus, and data reproduction method and apparatus
05/15/2001CA2180245C Data frame format for variable size data constellations
05/12/2001CA2289397A1 A low insertion loss current sense circuit for line cards
05/10/2001WO2001033795A1 Apparatus and method for estimating channel phase using channel symbol reliability data
05/10/2001WO2001033792A1 Radio receiver with two stages of dc offset correction, synchronisation and channel estimation
05/10/2001WO2001033791A1 Increasing data transmission bit rates
05/10/2001WO2001033764A1 Clock pulse and data regenerator for different data rates
05/10/2001US20010001013 External resistor and method to minimize power dissipation in DC holding circuitry for a communication system
05/10/2001US20010001008 Transmitter/receiver for GMSK and Offset-QAM
05/10/2001DE19952197A1 Takt- und Datenregenerator für unterschiedliche Datenraten Clock and data regenerator for different data rates
05/10/2001DE19950655A1 Verfahren zur auf eine Versorgungsgleichspannung aufgelagerten Signalübertragung in einem Bussystem A process for superimposed on a DC supply voltage signal transmission in a bus system
05/10/2001DE19943739A1 Vorrichtung und Verfahren zum Laufzeitausgleich Apparatus and method for time alignment
05/09/2001EP1098463A1 Digital subscriber's line transmitting method and device
05/09/2001EP1098313A2 Data reproduction apparatus and method with improved performance by adjusting filter coefficients of equalizer
05/09/2001EP1097565A1 Method for detecting, on a telecommunication network side, the complexity, on the telecommunication network side, of a telecommunication link between two subscribers in order to determine the rate, and device for realising the same
05/09/2001EP1097521A1 Network amplifier monitoring circuit
05/09/2001EP0836767A4 Mos termination for low power signaling
05/09/2001CN1294807A Radio telephone for spread-spectrum system using nonlinear modulation
05/09/2001CN1294805A Method for digital equalisation, and radio communication receiver implementing said method
05/09/2001CN1294804A Pulse shaping according to modulation scheme
05/09/2001CN1294803A Pulse shaping which compensates for component distortion
05/09/2001CN1294790A Adaptive equalizer and adaptive equalizing method
05/08/2001US6229866 Apparatus for detecting errors in asynchronous data receiver and transmitter
05/08/2001US6229859 System and method for high-speed, synchronized data communication
05/08/2001US6229845 Bus driver with data dependent drive strength control logic
05/08/2001US6229843 Pilot adaptive vector correlator
05/08/2001US6229471 Method for detecting a pulse-usable system
05/08/2001US6229396 Controlled impedance transformer line driver
05/08/2001US6229341 Signal transmitting circuit, signal receiving circuit, signal transmitting/receiving circuit, signal transmitting method, signal receiving method, signal transmitting/receiving method, semiconductor integrated circuit, and control method thereof
05/08/2001CA2075835C Data bus interface apparatus
05/03/2001WO2001031868A1 Method and apparatus for communication using pulse decoding
05/03/2001WO2001031867A1 Dc offset correction in a mobile communication system
05/03/2001WO2001031866A2 Baseband processor with look-ahead parameter estimation capabilities
05/03/2001WO2001031865A1 Equalizer with two paths
05/03/2001WO2001031864A1 Method for determining frame rate of a data frame in a communication system
05/03/2001WO2001031801A1 One way single-wire communication interface
05/03/2001WO2001031800A1 Timing recovery circuit in qam modems
05/03/2001WO2001031798A1 Communications terminal having a receiver and method for removing known interferers from a digitized intermediate frequency signal
05/03/2001WO2001031796A2 A transceiver with auxiliary monitoring ports
05/03/2001WO2001031775A1 Apparatus for measuring intervals between signal edges
05/03/2001US20010000705 Methods and apparatus for verifying transmit power levels in a signal point limited transmission system
05/03/2001US20010000703 Transmission/reception unit with bidirectional equalization
05/03/2001US20010000701 Multi-frame synchronization for parallel channel transmissions
05/03/2001DE19946866A1 Datenübertragungsverfahren Data transmission method
05/03/2001DE10053366A1 Input buffer circuit has amplifier circuit which is operated after elapse of preset time from reception of input signal from buffer
05/03/2001CA2387403A1 Method and apparatus for communication using pulse decoding
05/03/2001CA2384300A1 Equalizer with two paths
05/02/2001EP1096747A1 Delay compensation for parallel transmission
05/02/2001EP1096746A2 Error estimation function to update a blind equalizer
05/02/2001EP1096745A2 Serial data transfer method in synchronism with a clock signal
05/02/2001EP1096715A2 Data recovery for wireless digital audio system