Patents for H04L 25 - Baseband systems (55,083)
12/2000
12/30/2000CA2311100A1 Fast pre-amplifier for an interface arrangement
12/29/2000CA2299767A1 Rake receiver with embedded decision feedback equalizer
12/28/2000WO2000079747A1 System and method for data scrambling to reduce the crest factor in an ofdm waveform
12/28/2000WO2000079746A1 Companion nyquist filter and linear equalizer within a data transmission system
12/28/2000WO2000079723A1 Digital impairment learning sequence
12/28/2000WO2000079720A1 Data transmission method, data transmission system, sending device and receiving device
12/28/2000DE19928667A1 Computing data sequence from received signal involves iterative correlation and quadratic form generation process to find maximum quadratic form and its associated data sequence
12/28/2000DE19928497A1 Receiving digital radio signals over radio channels involves deriving digital filter coefficients using reference signal, deriving channel transfer function for useful signal using filter
12/28/2000DE10019457A1 Phasenschwankungs-Erzeugungsschaltung und Phasenschwankungs-Erzeugungsverfahren Phase jitter generation circuit and phase jitter generation method
12/27/2000EP1063825A2 Predistortion system for linearising power amplifiers
12/27/2000EP1063822A2 Blind equalization algorithm with joint use of the constant R and the sliced symbols
12/27/2000EP1063784A1 Radio communication device
12/27/2000EP1063780A2 Spread spectrum channel estimation sequences
12/27/2000EP1062783A2 Off-line broadband network interface
12/27/2000EP1062781A1 Quadrature receiver, communication system, signal processor, method of calculating direct current offset, and method of operating a quadrature receiver
12/27/2000EP1062752A1 Apparatus and method for improved connectivity in wireless optical communication systems
12/27/2000EP1062731A1 Digital signal modulation system
12/27/2000EP1062444A1 Improved flexible wedge gate valve
12/27/2000CN1278382A Method for joint equalization and detection of multiple user signals
12/27/2000CN1278376A Estimation of transmission channels in communication sysetms for wireless telecommunication
12/27/2000CN1278124A Transmission system, receiving device, transmitter and interface device
12/27/2000CN1059992C Carrier independent timing recovery system for vestigial sideband modulated signal
12/26/2000US6167134 External resistor and method to minimize power dissipation in DC holding circuitry for a communication system
12/26/2000US6167132 Analog successive approximation (SAR) analog-to-digital converter (ADC)
12/26/2000US6167082 Adaptive equalizers and methods for carrying out equalization with a precoded transmitter
12/26/2000US6167081 Dual mode receiver
12/26/2000US6167080 Control loop for adaptive equalization of a data signal
12/26/2000US6167079 Method for identifying data transmission rate, and a receiver
12/26/2000US6166971 Method of and apparatus for correctly transmitting signals at high speed without waveform distortion
12/26/2000US6166570 Output buffer circuit with switchable common mode output level
12/22/2000CA2310999A1 The blind equalization algorithm with joint use of the constant r and the sliced symbols
12/21/2000WO2000077996A1 Method and system for detection of binary information in the presence of slowly varying disturbances
12/21/2000WO2000077995A1 Method and apparatus for using frame energy metrics to improve rate determination
12/21/2000WO2000077994A1 Method for symbol-spaced estimation and/or tracking of a fractionally-spaced fading radio channel
12/21/2000WO2000077993A1 Matrix manipulation for channel estimation
12/21/2000WO2000077977A2 Pass-driver circuit for a two-conductor bus-system
12/21/2000WO2000077958A1 Method for wireless data transmission
12/21/2000WO2000077945A2 A method for determining the channel gain between emitters and receivers
12/21/2000WO2000077944A1 Method of and devices for telecommunication
12/21/2000WO2000052831A3 Forward error correction on multiplexed cdma channels enabling high performance coding
12/21/2000WO2000030308A3 Equalizer for multi-pair gigabit ethernet
12/21/2000DE20015721U1 Redundante Datenübertragung über Datenbus Redundant data transmission over data bus
12/21/2000DE19927320A1 Verfahren zur drahtlosen elektromagnetischen Übertragung von Daten Method for wireless transmission of electromagnetic data
12/21/2000DE19927318A1 Verfahren zur drahtlosen Übertragung von Daten Method for wireless transmission of data
12/21/2000DE19926173A1 Bustreiberschaltung für ein Zweileiter-Bussystem Bus driver circuit for a two-wire bus system
12/21/2000DE19925909A1 Schnittstelle zur Potentialtrennung und zur Übertragung digitaler Signale Interface for potential separation and for transmitting digital signals
12/21/2000DE10021346A1 Semiconducting component has HF distortion correction device that recovers lost HF components of input data depending on restoration clock signals, outputs recovered input data
12/21/2000DE10005289A1 Asynchronous serial data receiver/transmitter arrangement has correction devices for controlling time between first, second bit data reception/transmission by serial-parallel converter
12/20/2000EP1061703A2 Circuit for the transmission of pulses over a transmission line
12/20/2000EP1061667A1 Improved channel estimation technique
12/20/2000EP1061648A1 Method for wireless electromagnetic transmission of data
12/20/2000EP1061453A1 Transmission system and interface and interface device between a parallel bus system and a transmitter/receiver
12/20/2000EP1060574A2 A differential line driver
12/20/2000EP0809906A4 Very low power cordless headset system
12/20/2000CN1277504A Communication receiver for detecting data from receipt signal and its method
12/20/2000CN1277497A Data demdulating method and demodlator circuit for synchronous electromagnetic induction communication
12/19/2000US6163586 Autobaud/autoecho method
12/19/2000US6163580 Method and apparatus for data detection with an enhanced adaptive threshold
12/19/2000US6163572 Method of reducing coefficient leakage noise introduced to an equalizer during steady state operation
12/19/2000US6163570 Methods and apparatus for verifying transmit power levels in a signal point limited transmission system
12/19/2000US6163545 System and method for data transfer across multiple clock domains
12/19/2000US6163517 Signal detection method of data recording/reproducing apparatus and device therefor
12/19/2000US6163284 Signal processing circuit and signal processing method
12/19/2000US6163165 Method for operating an information handling system
12/19/2000CA2073918C Method and apparatus for updating coefficients in a complex adaptive equalizer
12/17/2000CA2311878A1 Baseband predistortion system for linearising power amplifiers
12/17/2000CA2311833A1 Mixed baseband-if predistortion system for linearising power amplifiers
12/14/2000WO2000076163A1 Phase detector, timing reproducing device comprising the same, and demodulator comprising the same
12/14/2000WO2000076162A1 Method and apparatus for determination of channel and baud frequency offset estimate using a preamble with a repetitive sequence
12/14/2000WO2000076161A1 Digital data transmission via multi-valued logic signals
12/14/2000WO2000076160A1 Iterative tdma radiomobile communication method
12/14/2000WO2000076159A1 Interface for providing electrical isolation and for transmitting digital signals
12/14/2000WO2000076073A1 High speed data modification system and method
12/14/2000WO2000075796A1 Isolated high-speed communication bus
12/14/2000WO2000075795A1 Data transmission system
12/14/2000WO2000048370A3 Modem with a reduced state maximum likelihood sequence estimator
12/14/2000WO2000041521A3 Psk burst receiver with phase adjustment and timing and data recovery
12/14/2000DE19926096A1 Einrichtung zum Senden eines von einem Busteilnehmer eines Bussystems bereitgestellten Sendesignals Means for transmitting a provided by one bus a bus system transmission signal
12/14/2000DE19926006A1 Datenübertragungseinrichtung Data transmission device
12/14/2000DE19925238A1 Flankensteuervorrichtung für ein elektrisches Datenübertragungssystem Slope control device for an electric data transmission system
12/14/2000DE10012284A1 Generating pilot signals for synchronization and/or channel estimation in a cellular communication system using code division multiple access modulation technology
12/14/2000CA2311473A1 Method and system of communicating in a subterranean well
12/13/2000EP1059784A1 Matrix manipulation for channel estimation
12/13/2000EP1059783A2 Bus driver, which limits the duration of transmission signals
12/13/2000EP1059758A2 Optical transmitter and optical transmitter control method using variable duty ratio setting and alternate phase inversion for optical clock pulses
12/13/2000EP1058987A1 Dynamic frame size setting for multichannel transmission
12/13/2000EP0754379A4 Method and apparatus for robust communications based upon angular modulation
12/12/2000US6161186 Lower power passive listen method for electronic devices
12/12/2000US6160885 Caller ID circuit powered through hookswitch devices
12/12/2000US6160851 Line driver calibration circuit
12/12/2000US6160819 Method and apparatus for multiplexing bytes over parallel communications links using data slices
12/12/2000US6160791 Transmission system for the transmission of power control information in an OFDM system
12/12/2000US6160582 Apparatus for manipulating an operating theater lamp
12/12/2000US6160452 Circuits and methods for a monitoring circuit in a network amplifier
12/12/2000US6160436 Driver with switchable gain
12/12/2000US6160423 High speed source synchronous signaling for interfacing VLSI CMOS circuits to transmission lines
12/12/2000US6160417 Termination circuits and related output buffers
12/07/2000WO2000074329A1 Methods for estimating propagation delays for a transmission system
12/07/2000WO2000074328A2 Slic architecture and interfaces
12/07/2000WO2000074267A1 Receiver and equalizing method