Patents for H04L 25 - Baseband systems (55,083)
04/2001
04/05/2001WO2001024491A1 Improved method for determining subscriber loop make-up
04/05/2001WO2001024482A1 System and circuitry for measuring echoes on subscriber loops
04/05/2001WO2001024468A1 Transmitting device and transmitting method
04/05/2001WO2001024466A1 Communication interface with terminated transmission lines
04/05/2001WO2001024465A1 Blind rate detection in a multiplexed transmission system
04/05/2001WO2001024441A2 Method and device for bi-directional communication between at least two communication participants
04/05/2001WO2001024420A1 Method and apparatus for in the field wireless device calibration
04/05/2001WO2001024415A1 Method and apparatus for offset cancellation in a wireless receiver
04/05/2001WO2001024414A1 Method for adjusting the drive power of emitting diodes
04/05/2001WO2001024403A1 Communication terminal and radio communication method
04/05/2001WO2001024390A1 Transmitter/receiver
04/05/2001WO2001024376A1 Method and apparatus for identifying a pre-determined pattern from a received signal via correlation
04/05/2001WO2001024357A1 Method and apparatus for a frequency synthesizer having a compensated sigma delta modulator output signal
04/05/2001WO2001024354A2 Device and method for spectral shaping of a transmission signal in a radio transmitter
04/05/2001WO2000062439A3 Method and device for transmitting a transmission signal via a two-core line
04/05/2001DE19946722A1 Einrichtung und Verfahren zur spektralen Formung eines Sendesignals in einem Funksender Means and methods for spectral shaping of a transmission signal in a radio transmitter
04/05/2001DE19944054A1 Anordnung zum Analysieren der nichtlinearen Eigenschaften eines Kommunikationskanals Means for analyzing the nonlinear characteristics of a communication channel
04/04/2001EP1089513A1 Frequency characteristic compensator for OFDM
04/04/2001EP1089508A1 Device for clock recovery using a fixed equalizer
04/04/2001EP1089457A2 Data-aided and phase-independent adaptive equalization for data transmission systems
04/04/2001EP1089451A1 Channel estimating device and method, demodulating device and method, and fading frequency determining device and method
04/04/2001EP1088432A1 Method and device for wireless data transmission according to an fsk method, especially a gfsk method
04/04/2001EP0928514A4 Receiver capable of demodulating multiple digital modulation formats
04/04/2001EP0830770A4 Method and apparatus for determining coding rate in a wireless communication system
04/04/2001EP0801859A4 Method and apparatus for transmitting signals over a wire pair having activity detection capability
04/04/2001CN1290443A Method and apparatus for variable bit rate clock recovery
04/04/2001CN1290065A Orthogonal modulator with integrated distributive resistance-capacitance filter
04/04/2001CN1290064A Orthogonal modulator with integrated distributive resistance-capacitance filter
04/04/2001CN1064200C Transcoding and transdecoding units and method for adjusting the output thereof
04/03/2001US6212263 5 volts single power supply ADSL analog front end design
04/03/2001US6212247 Method and apparatus for generating a programmable synchronization signal for a data communication system
04/03/2001US6212243 Channel estimation performed at varying time intervals
04/03/2001US6212241 Digital modulated signal receiver
04/03/2001US6212230 Method and apparatus for pulse position modulation
04/03/2001US6212229 Adaptive pre-emphasis technique
04/03/2001US6212224 MIL-STD-1553 buffer/driver
04/03/2001US6212174 Capacity management method for a code division multiple access (CDM) communication system
04/03/2001US6212119 Dynamic register with low clock rate testing capability
04/03/2001US6211719 Power control circuit for a line driver
04/03/2001US6211716 Baseline wander compensation circuit and method
04/03/2001US6211714 System for Distributing Clocks
04/03/2001CA2220965C Method and apparatus for determining coding rate in a wireless communication system
04/03/2001CA2198501C Malfunction diagnosis system and method for on-vehicle electronic control units
04/03/2001CA2197262C Shared hybrid fiber-coax network having reduced ingress noise
04/03/2001CA2059455C Device for the coherent demodulation of time-frequency interlaced digital data, with estimation of the frequency response of the transmission channel and threshold, and corresponding transmitter
03/2001
03/29/2001WO2001022672A1 Pulse transmission transceiver architecture for low power communications
03/29/2001WO2001022634A1 Radio transmitter/receiver and method of radio communication
03/29/2001WO2001022571A1 Apparatus and method for substantially eliminating a near-channel interfering amplitude modulated signal
03/29/2001WO2001022380A1 Asynchronous power line transmission apparatus
03/29/2001DE19945273A1 Verfahren zur Messung mindestens einer Eigenschaft eines Übertragungskanals und Sende-/Empfangsstationen zur Durchführung des Verfahrens A method for measuring at least one characteristic of a transmission channel, and transmitting / receiving stations for carrying out the method
03/28/2001EP1087587A1 Method for measuring at least one characteristic of a transmission channel, transmitter and receiver using this method
03/28/2001EP1087564A2 Receiver to recover data encoded in a serial communication channel
03/28/2001EP1087555A1 Device for limiting the noise in the "zeros" of optical RZ signals
03/28/2001CN1289495A Decision feedback equalizer with noise prediction
03/28/2001CN1289410A Method and apparatus for jitter analysis
03/28/2001CN1289192A Communication receiver equipment
03/28/2001CN1289186A Network for data and energy transmision
03/27/2001US6208700 Apparatus for processing a signal received via an information carrier
03/27/2001US6208697 Channel code converter capable of decreasing DC component and channel coding system therefor
03/27/2001US6208696 Low power density radio system
03/27/2001US6208617 Channel tracking in a mobile receiver
03/27/2001US6208481 Gain and phase constrained adaptive equalizing filter in a sampled amplitude read channel for magnetic recording
03/27/2001US6208188 Synchronizing circuit for receiving an asynchronous input signal
03/27/2001US6208161 Differential signal transmission circuit
03/27/2001CA2317929A1 System for limiting optical rz signal noise in zeros
03/27/2001CA2067354C Collision detection using code rule violations of the manchester code
03/22/2001WO2001020919A1 Method and apparatus for adaptively compensating channel or system variations in precoded communications system
03/22/2001WO2001020861A1 Method for joint decoding and equalising of a digital signal protected by a trellis-defined code
03/22/2001WO2001020860A1 Receiver with orthogonal frequency distribution multiplexing having iterative channel estimation and corresponding method
03/22/2001WO2001020841A1 Technique for demodulating a linear modulated data signal in a communications system
03/22/2001WO2001020840A1 Equalising method in receivers using a combination of multiple carrier and code division multiple access modulating techniques
03/22/2001WO2001020833A1 Data communication method, bidirectional data communication method, data communication system, bidirectional data communication system, data transmitter, and data receiver
03/22/2001WO2001020823A1 Arrangement for analysing the non-linear properties of a communications channel
03/22/2001WO2001020794A1 xDSL MODEM HAVING DMT SYMBOL BOUNDARY DETECTION
03/22/2001WO2001020780A1 xDSL MODEM HAVING TIME DOMAIN FILTER FOR ISI MITIGATION
03/22/2001WO2001020452A1 Protocol and bit rate independent test system
03/22/2001WO2000019767A3 Line terminator unit for a subscriber line
03/22/2001DE19942942A1 Verfahren und Vorrichtung zur Übertragung differentieller Signale Method and apparatus for transmitting differential signals
03/22/2001DE19941097A1 Duplex data transmission to analog terminal which is on hook
03/22/2001DE19938747A1 Verfahren zur Kanalschätzung in einem Funk-Kommunikationssystem Method for channel estimation in a radio communication system
03/21/2001EP1085713A2 Adaptive setting of decision thresholds
03/21/2001EP1085712A2 Device for transferring digital data between a rotating part and a fixed part of a machine, particularly for hosiery knitting machines and the like
03/21/2001EP1085674A1 Network for data and power transmission
03/21/2001EP1085672A2 Method and system for minimising crosstalk
03/21/2001EP1084587A2 Fast acquisition of traffic channels for a highly variable data rate
03/21/2001EP1084546A1 Improvements in, or relating to, telecommunications transmission systems
03/21/2001EP1084536A1 Spatio-temporal equalisation using cholesky factorisation and systolic arrays
03/21/2001CN1288625A Method and apparatus for tracking the characteristics of a channel
03/21/2001CN1288620A Method and apparatus for automatically reducing cross-talk between coupled to a common network device
03/21/2001CN1288567A Generation of amplitude levels for a PRML bit detector
03/21/2001CN1288316A Coherent channel estimation method based on inserted pilot simbol
03/20/2001US6205218 Extended feedback circuit for impedance matching and voltage isolation
03/20/2001US6205188 Demodulating digital video broadcast signals
03/20/2001US6205183 Methods of suppressing reference oscillator harmonic interference and related receivers
03/20/2001US6205182 Encoding a clock signal and a data signal into a single signal for distribution in a signal forwarding device
03/20/2001US6205170 Transmission/reception unit with bidirectional equalization
03/20/2001US6205157 Method for propagation delay control
03/20/2001US6204697 Low-latency small-swing clocked receiver
03/20/2001US6204692 Driver circuit unit
03/15/2001WO2001019045A1 Pcm modem with precoding and pre-equalisation