Patents for H04L 25 - Baseband systems (55,083)
02/2003
02/20/2003US20030035376 Derivation of composite step-function response
02/20/2003US20030035176 Interface circuit for a fiber transceiver
02/20/2003US20030034969 Hyperplane symbol detection
02/20/2003CA2456915A1 Mode controller for signal acquisition and tracking in an ultra wideband communication system
02/20/2003CA2456146A1 Method and apparatus for relayed communication using band-pass signals for self-interference cancellation
02/19/2003EP1284567A2 Soft decisions in a receiver for 16-ary QAM
02/19/2003EP1284564A2 Calcualtion of soft decisions for 8-PSK signals
02/19/2003EP1284563A2 Non-iterative time-domain equilizer
02/19/2003EP1284562A1 Method, receiver and receiver station for compensating a received signal
02/19/2003EP1284089A2 A multimode multicarrier modem system and method of communication over the same
02/19/2003EP1284064A1 Method and device for controlling the timing of a digital receiver
02/19/2003EP1284049A1 Ultra wide band system and method for fast synchronization using multiple detection arms
02/19/2003EP1204928B1 Architecture for an input and output device capable of handling various signal characteristics
02/19/2003EP0885511B1 Pulse shaping for gmsk
02/19/2003CN1398478A Multi-link transmission of data over cellular network
02/19/2003CN1398477A Methods and systems for decoding symbols by combining matched-filtered samples with hard symbol decisions
02/19/2003CN1398466A System and method for sampling phase adjustment by analog modem
02/19/2003CN1398464A Method and appts. for achieving 180 & deg; phase invariant transmission in PCM modem system
02/19/2003CN1398463A System and method for adjusting PCM data frames for robbed bit signaling in telephone network
02/19/2003CN1398456A High speed dial-up sevice using PCM modem tech
02/19/2003CN1398055A Wireless audio transmission system and method
02/19/2003CN1102012C Single-carrier-frequency diversity receiver of GSM base station
02/19/2003CN1102004C Wireless ATM metropolitan area network, its user's terminal, method of scheduling ATM information source unit
02/18/2003US6522745 Digital access arrangement circuitry and method having a synthesized ringer impedance for connecting to phone lines
02/18/2003US6522707 Method and device for disturbance suppression in a signal
02/18/2003US6522706 Delay spread estimation for multipath fading channels
02/18/2003US6522705 Processor for digital data
02/18/2003US6522704 Data reception apparatus and data reception method
02/18/2003US6522701 Method and apparatus for extracting received digital data from a full-duplex point-to-point signaling channel using sampled-data techniques
02/18/2003US6522699 Transmission system for reduction of amateur radio interference
02/18/2003US6522696 Adaptive frequency correction in a wireless communications system, such as for GSM and IS54
02/18/2003US6522687 Data transmitter and receiver of a DS-CDMA communication system
02/18/2003US6522683 Method and apparatus for adaptive linear equalization for walsh covered modulation
02/18/2003US6522438 High-speed optical duobinary modulation scheme
02/18/2003US6522179 Differential line driver circuit
02/18/2003US6522174 Differential cascode current mode driver
02/18/2003US6522122 Jitter measuring device and method
02/18/2003US6522119 Power source regulator for wireline cable system
02/18/2003US6522083 Driver circuitry with tuned output impedance
02/18/2003CA2276207C Low complexity maximum likelihood detection of concatenated space codes for wireless applications
02/13/2003WO2003013088A2 Joint synchronization and modification of the coefficients of an adaptive equalizer for a cdma receiver
02/13/2003WO2003013087A2 Predistorting of contention signals
02/13/2003WO2003013086A1 Device for correcting a receiving signal
02/13/2003WO2003013085A1 Semiconductor device and data transfer system
02/13/2003WO2003013084A2 Line driver for transmitting data
02/13/2003WO2003013083A2 Channel equalisation in data receivers
02/13/2003WO2003013051A2 Timing recovery in data communication circuits
02/13/2003WO2003013024A1 Channel estimation in a multi-carrier transmission diversity system
02/13/2003WO2003012990A1 Multicarrier modulation using frequency-domain equalizer and decision feedback
02/13/2003WO2003012482A1 Method and system for reducing interference
02/13/2003WO2002093779A3 Transmission in multi-channel communication system using selective channel power control
02/13/2003WO2002069493A3 Automatic frequency control systems and methods for joint demodulation
02/13/2003WO2002023839A3 Active terminating device with optional line-receiving and line-driving capabilities
02/13/2003WO2002017582A3 Transmitting a multibit signal on a single connector
02/13/2003US20030033036 Coding method for coding control commands for actuators and actuator control unit for controlling actuators
02/13/2003US20030032423 Determining a calibration function using at least one remote terminal
02/13/2003US20030032390 Acquisition and tracking in communication system with multicarrier telephony transport
02/13/2003US20030031282 Multiple channel adaptive data recovery system
02/13/2003US20030031280 Pulse shaping filter with minimal intersymbol interference
02/13/2003US20030031279 Method and apparatus for relayed communication using band-pass signals for self-interference cancellation
02/13/2003US20030031278 Channel decoding apparatus and method in an orthogonal frequency division multiplexing system
02/13/2003US20030031275 Robust burst detection and acquisition system and method
02/13/2003US20030031269 Semi-stationary quiescent mode transmission
02/13/2003US20030031267 Fractional-N digital modulation with analog IQ interface
02/13/2003US20030031266 Maximum ratio transmission
02/13/2003US20030031264 System and method for adaptive channel diagonalization for array-to-array wireless communications
02/13/2003US20030031244 Software definable block adaptive decision feedback equalizer
02/13/2003US20030031243 Blind dual error antenna diversity (DEAD) algorithm for beamforming antenna systems
02/13/2003US20030031237 Method for improving the reception of a CDMA receiver, and a CDMA receiver with improved reception
02/13/2003US20030031120 Ofdm modem system
02/13/2003US20030030873 High-speed adjustable multilevel light modulation
02/13/2003US20030030783 Consumable tube for use with a flow cytometry-based hematology system
02/12/2003EP1283614A1 Channel estimation in a multicarrier transmit diversity system
02/12/2003EP1282968A1 Method and system for detecting and iterative decoding of received symbols, coupled with reevaluation of transmission channel coefficients
02/12/2003EP1282967A1 Device for carrying out wide-band electrical signal transmission with a mobile directional coupler
02/12/2003EP0862796B1 Device for transmitting signals between moving parts
02/12/2003EP0853852B1 Block coding for digital video transmission
02/12/2003CN1397130A Method and device for equalising transmission running times during transmission of data through several transmission channels
02/12/2003CN1397116A Method and system for displaying amplitude distortions of transmission channel
02/12/2003CN1397108A DC-offset correction circuit having DC control loop and DC blocking circuit
02/12/2003CN1396750A Method and device for proceeding interface communication with one parallel connection
02/12/2003CN1396729A Orthogonal frequency division multiplex receiving system for symbol timing synchronization and its method
02/12/2003CN1396714A Signal receiving device and method for used with time-varying channel
02/11/2003US6519302 Method and apparatus for regenerating data
02/11/2003US6519282 Method for digital transmission of information
02/11/2003US6519280 Method and apparatus for inserting idle symbols
02/11/2003US6518819 Push-pull output stage for digital signals with regulated output levels
02/11/2003US6518792 Method and circuitry for a pre-emphasis scheme for single-ended center taped terminated high speed digital signaling
02/06/2003WO2003010936A1 Software definable block adaptive decision feedback equalizer
02/06/2003WO2003010935A1 Data rate acquisition using signal edges
02/06/2003WO2003010934A2 Method of and means for recognizing signal edges
02/06/2003WO2003010929A1 Method and system for transmitting data from a first data network into a second data network
02/06/2003WO2003010898A1 Downlink channel estimation employing non-polluting dummy pilot codes
02/06/2003WO2002060143A3 Joint reduction of noise power and of the length of the channel impulse response
02/06/2003WO2002041651A3 Methods and apparatus for identifying asset location in mobile co mmunication networks
02/06/2003WO2002037783A3 Auto-mdix line-driver with power down loopback protection
02/06/2003WO2001071966A9 Multiple channel adaptive data recovery system
02/06/2003US20030028833 Method and apparatus for channel equalization with a digital FIR filter using a pseudo random sequence
02/06/2003US20030028802 Asynchronous communication protocol for electronic keys of security locks and systems
02/06/2003US20030028570 Adaptive equalizer with gain controlled initialization