Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 25 - Baseband systems
Patents for H04L 25 - Baseband systems (55,083)
05/2003
05/14/2003CA2411742A1 Multi-valued fsk communication method and multi-valued fsk communication apparatus
05/13/2003US6564180 Data processing apparatus and data processing method
05/13/2003US6563897 Multirate symbol timing recovery circuit
05/13/2003US6563894 Method and apparatus for acquiring and tracking the sampling phase of a signal
05/13/2003US6563892 Method and system for detection of binary information in the presence of slowly varying disturbances
05/13/2003US6563882 Write/read device for communication with transponders, having first coding means and second coding means
05/13/2003US6563878 Method of and apparatus for generating PCM code sets
05/13/2003US6563877 Simplified block sliding window implementation of a map decoder
05/13/2003US6563867 Arrangement for analyzing the nonlinear properties of a communication channel
05/13/2003US6563862 Digital variable symbol rate modulation
05/13/2003US6563858 Method of performing antenna diversity in spread spectrum in wireless local area network
05/13/2003US6563841 Per-bin adaptive equalization in windowed DMT-type modem receiver
05/13/2003US6563801 Cable interface for data and power supply
05/13/2003US6563485 Method and apparatus for parallel in serial out transmission
05/13/2003US6563333 Dynamic register with IDDQ testing capability
05/13/2003US6563322 Method and apparatus for detecting open circuit fault condition in a common-mode signal
05/13/2003US6563200 Interface device and interface system
05/12/2003CA2409589A1 Data bus fault detection circuit and method
05/08/2003WO2003039090A2 Method and apparatus for error correction in a data transmission system
05/08/2003WO2003039089A1 Zf-based adaptive asynchronous receiver
05/08/2003WO2003039088A1 Frequency equalization for a multitone transmission system
05/08/2003WO2003039060A2 Apparatus and method to generate an adaptive threshold for a data slicer
05/08/2003WO2003039008A2 Method and apparatus for decoding lattice codes and multilevel coset codes
05/08/2003WO2003039000A1 Multi-mode i/o circuitry supporting low interference signaling schemes for high speed digital interfaces
05/08/2003WO2003026238A3 Fast computation of decision feedback equalizer coefficients
05/08/2003WO2002031992A3 Signal strength compensation for mobile radio channels that considerably vary with time
05/08/2003US20030088317 Parallel communication based on balanced data-bit encoding
05/08/2003US20030087671 Multi-mode I/O circuitry supporting low interference signaling schemes for high speed digital interfaces
05/08/2003US20030087659 Training-while-working data communications
05/08/2003US20030087625 Direct-conversion receiver for a communication system using a modulation with non-constant envelope
05/08/2003US20030087614 Systems and methods for modulator calibration
05/08/2003US20030086517 Method and circuit for recovering a data signal from a stream of binary data
05/08/2003US20030086516 Compensation circuit and method for compensating for an offset
05/08/2003US20030086515 Channel adaptive equalization precoding system and method
05/08/2003US20030086511 Method and device for detecting pulses of an incident pulse signal of the ultra wideband type
05/08/2003US20030086506 Method for transmitting data from an interrogating device to portable objects
05/08/2003US20030086505 Phase shift key burst receiver having improved phase resolution and timing and data recovery
05/08/2003US20030086504 System and method for soft slicing
05/08/2003US20030086503 Apparatus and method for passing large bitwidth data over a low bitwidth datapath
05/08/2003US20030086501 Signal transmission system with programmable voltage reference
05/08/2003US20030086489 Amplitude-offset invariant template detection for pulse position estimation; methods, systems & program products
05/08/2003US20030086488 Method and apparatus for generating pulse width modulated waveforms
05/08/2003US20030086404 Apparatus and method for transmitting data packets
05/08/2003US20030086399 Transmittal of heartbeat signal at a lower level than heartbeat request
05/08/2003US20030086366 Adaptive communications methods for multiple user packet radio wireless networks
05/08/2003US20030085771 Methods for transmitting a waveform having a controllable attenuation and propagation velocity
05/08/2003US20030085766 Tunable oscillator
05/08/2003US20030085737 Innovative high speed LVDS driver circuit
05/08/2003US20030085736 Interchangeable CML/LVDS data transmission circuit
05/08/2003US20030085718 Switching device provided with polarity-inverting means
05/08/2003DE4244920C2 Clock rate matching for independent networks
05/07/2003EP1309145A2 Transmission using non-binary error correction codes
05/07/2003EP1309144A1 Method and apparatus for isolation in a data access arrangement using analog encoded pulse signaling
05/07/2003EP1309088A1 Switching device equipped with polarity inversion means
05/07/2003EP1308011A1 Channel decoding apparatus and method in an orthogonal frequency division multiplexing system
05/07/2003EP1308008A2 Adaptive linear equalization for walsh-modulated signals
05/07/2003EP1020054B1 Method for equalising a receive signal
05/07/2003EP1004191A4 Remote vehicle data interface tag system
05/07/2003CN1416621A PCM modem adaptation system utilizing silence period
05/07/2003CN1416620A Method and appts. for control of modem transmit power
05/07/2003CN1416619A Data mode signalling system for PCM modem adaptation
05/07/2003CN1416233A Recerving method based on time-frequency diversity
05/07/2003CN1108018C Rapid-update adaptive channel-equilization filtering for digital radio receivers
05/07/2003CN1107956C Method and appts. for reducing latency time on interface by overlapping transmitted packets
05/06/2003US6560447 DC offset correction scheme for wireless receivers
05/06/2003US6560304 Apparatus for reducing pattern jitter by using locally symmetry forcing wave generating unit and method using the same
05/06/2003US6560290 CMOS driver and on-chip termination for gigabaud speed data communication
05/06/2003US6560279 Two wire multiplex data acquisition system with remote unit mode controls
05/06/2003US6560278 Receiver and an adaptive equalizer method
05/06/2003US6560277 Distinguishing between final coding of received signals in a PCM modem
05/06/2003US6560275 Interconnection process and interface using parallelized high-speed serial links
05/06/2003US6559894 Block-adaptive equalization using partial decision feedback in digital broadcast communications
05/06/2003US6559692 Output driver for a 10baset/100basetx ethernet physical layer line interface
05/02/2003EP1306978A1 Direct conversion receiver for a communication system using a non-constant envelope modulation
05/02/2003EP1306765A2 Method and apparatus for transmitting nrz data signals across an isolation barrier disposed in an interface between adjacent devices on a bus
05/02/2003EP1305922A2 Ground level shift detection in can systems
05/02/2003EP1305921A1 Method for processing a digital input signal of a channel equalizer
05/02/2003EP1305906A1 Determination of a differential offset in a radio device
05/02/2003EP1305889A1 Method and apparatus for flexible data rate matching by symbol insertion for a data communication system
05/02/2003EP1305880A2 5-ary receiver utilizing common mode insensitive differential offset comparator
05/02/2003EP1221221B1 Clock pulse and data regenerator for different data rates
05/02/2003EP1151553B1 Approximated mmse-based channel estimator in a mobile communication system
05/01/2003WO2003036898A1 Estimating a transmission channel with pilot symbols distributed in lattice structure
05/01/2003WO2003036894A2 Reduction of average-to-minimum power ratio in communications signals
05/01/2003WO2003036893A1 Inter-symbol interference canceller
05/01/2003WO2003036891A2 Channel estimation using a combination of correlation and least square error
05/01/2003WO2003036886A2 Method and system for transferring ip packets by aggregating multiple wireless communication channels for high data rate transfers
05/01/2003WO2003036853A1 Transition detection, validation and memorization circuit
05/01/2003WO2003036851A1 Amplitude-offset invariant template detection for pulse position estimation
05/01/2003WO2003036799A1 Systolic equalizer and method of using same
05/01/2003WO2003036713A1 Digital signal transmission circuit and method of designing it
05/01/2003WO2002102005A3 Pre-emphasis scheme
05/01/2003WO2002071713A3 Compensation of distortion due to channel and to receiver, in a parallel transmission system
05/01/2003US20030084020 Distributed fault tolerant and secure storage
05/01/2003US20030081702 Sequence estimation method and sequence estimator
05/01/2003US20030081701 Metric correction for multi user detection, for long codes DS-CDMA
05/01/2003US20030081697 Apparatus and method to generate an adaptive slicer threshold for binary data
05/01/2003US20030081696 System and method for estimating signal to noise ratio
05/01/2003US20030081695 Computationally efficient system and method for channel estimation
05/01/2003US20030081691 Method and apparatus for decoding lattice codes and multilevel coset codes
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