Patents for H04L 25 - Baseband systems (55,083)
03/2005
03/03/2005US20050047531 Method and apparatus for noise threshold calculation in wireless communication
03/03/2005US20050047524 Apparatus and method for calculating bit metrics in data receivers
03/03/2005US20050047519 Digital broadcast transmission system of improved receptability and signal processing method thereof
03/03/2005US20050047518 Apparatus and method for estimating a channel
03/03/2005US20050047517 Adaptive modulation for multi-antenna transmissions with partial channel knowledge
03/03/2005US20050047515 Frequency-independent spatial processing for wideband MISO and MIMO systems
03/03/2005US20050047512 System and method using self-synchronized scrambling for reducing coherent interference
03/03/2005US20050047511 Data receiver and data transmission system
03/03/2005US20050047500 Precision adaptive equalizer
03/03/2005US20050047496 Modem with pilot symbol synchronization
03/03/2005US20050047491 Method and apparatus for improving channel estimate based on short synchronization code
03/03/2005US20050047490 Method and apparatus for removing code aliases when using short synchronization codes
03/03/2005US20050047444 TFI-OFDM transmission/reception systems for UWB communication and methods thereof for mitigating interference from simultaneously operating piconets
03/03/2005US20050047433 Physical coding sublayer transcoding
03/03/2005US20050047322 Communication system and method for channel estimation and beamforming using a multi-element array antenna
03/03/2005US20050046603 Fast digital data recovery circuit
03/03/2005US20050046602 Method and apparatus for modulating and demodulating digital data
03/03/2005US20050046600 Robust system for transmitting and receiving map data
03/03/2005US20050046443 Input terminal with combined logic threshold and reset function
03/03/2005US20050046442 Input termination circuits and methods for terminating inputs
03/03/2005US20050046441 Scalable termination
03/03/2005US20050045722 Method for enhancing transfer rate of multimedia card using differential signal
03/03/2005DE19712840B4 Schnittstellenschaltung und Verfahren zum Übertragen binärer logischer Signale mit reduzierter Verlustleistung Interface circuit and method for transmitting binary logic signals with reduced power loss
03/03/2005DE10334882A1 Decoding method for pulse position modulation signal e.g. for radio frequency identification system, using indexing of counter via leading flanks of working clock signal and delivery of count value after gap in received signal
03/03/2005DE10324862A1 Verfahren zur Verschlüsselung digitalisierter Information Method for encrypting digitized information
03/03/2005DE102004030636A1 Verbesserte Detektion Improved detection
03/03/2005DE102004017262A1 Konfigurierbare Kommunikationsmodule und Verfahren zur Herstellung derselben Configurable communication modules and methods for manufacturing the same
03/03/2005CA2536014A1 Spacetime equalization in a wireless receiver
03/02/2005EP1511317A2 Video signal transmission system and method
03/02/2005EP1511253A1 Data transmission system
03/02/2005EP1511213A1 Radio receiver, radio transmitter and impedance control method
03/02/2005EP1511210A1 OFDM channel estimation and tracking for multiple transmit antennas
03/02/2005EP1510927A2 Method for enhancing transfer rate of multimedia card using differential signal
03/02/2005EP1510056A1 Segment-wise channel equalization based data estimation
03/02/2005EP1510054A1 Method and apparatus for coupling a device to a bus
03/02/2005EP1510053A1 Method and system for electromagnetically coupling devices to a bus
03/02/2005EP1402329A4 Low latency multi-level communication interface
03/02/2005EP1302038B1 Method and digital circuit for transmitting a plurality of bit sequences via several bus lines
03/02/2005EP1293073B1 Demodulator for cpfsk-modulated signals by use of a linear approximation to the cpfsk signal
03/02/2005EP1247146B1 Coding method for coding control commands for actuators and actuator control unit for controlling actuators
03/02/2005EP1238463B1 Method and system for transmitting data and for determining the transmission properties in a radio communications system
03/02/2005EP1222761B1 Methods and systems for robust frame type protection in systems employing variable bit rates
03/02/2005CN1589556A Digital implementation of multi-channel demodulators
03/02/2005CN1589555A Method and apparatus for varying the length of an adaptive equalizer based on Doppler frequency
03/02/2005CN1589554A Adaptive equalizer operating at a sampling rate asynchronous to the data rate
03/02/2005CN1589532A Hybrid parallel/serial bus interface
03/02/2005CN1589531A Method of transferring data
03/02/2005CN1589438A Method employed by a base station for transferring data
03/02/2005CN1589437A User equipment having a hybrid parallel/serial bus interface
03/02/2005CN1588944A Path selecting method in time domain multipath channel evaluation
03/02/2005CN1588931A Channel elaluation method based on iterative interference reduction
03/02/2005CN1588930A Controlling device for digital pulse formed filter output gain
03/02/2005CN1588929A Interatived channel evaluation; method based on more-in and more-out orthogonal frequency division complexing system
03/02/2005CN1588928A Combined evaluation method for channel step number and multiple path time delay
03/02/2005CN1588851A Biological identifying device and method for proofing replay attach
03/02/2005CN1191708C Compressed video signal processor
03/02/2005CN1191694C Apparatus and method for determining quality of one digital signal
03/02/2005CN1191689C VSB/QAM compatible frequency balancer
03/01/2005US6862552 Methods, apparatus, and systems employing soft decision decoding
03/01/2005US6862456 Systems and methods for improving range for multicast wireless communication
03/01/2005US6862440 Method and system for multiple channel wireless transmitter and receiver phase and amplitude calibration
03/01/2005US6862326 Whitening matched filter for use in a communications receiver
03/01/2005US6862325 Multi-standard channel decoder
03/01/2005US6862317 Modulation technique providing high data rate through band limited channels
03/01/2005US6862315 Network receiver utilizing pre-determined stored equalizer coefficients
03/01/2005US6861964 Robust system for transmitting and receiving map data
03/01/2005US6861872 Voltage down converter for low voltage operation
03/01/2005CA2378810C Apparatus and method for adaptive control
02/2005
02/24/2005WO2005018216A2 Bit slicer system and method for synchronizing data streams
02/24/2005WO2005018213A2 Method and apparatus providing low complexity equalization and interference suppression for saic gsm/edge receiver
02/24/2005WO2005018183A1 Method of filtering a radio communication signal, comprising the calibration of an adaptive system, and corresponding radio communication device
02/24/2005WO2005018182A1 Circuit arrangement comprising two electronic reactance coils per data line pair of a local network
02/24/2005WO2005018128A2 Method for the digital filtering of a useful radio communication signal and corresponding radio communication device
02/24/2005WO2005018127A2 Method of filtering a useful radio communication signal, comprising a digital power estimation, and corresponding radio communication device
02/24/2005WO2004093366A3 Method for initialization of per tone frequency domain equalizer (feq) through noise reduction for multi-tone based modems
02/24/2005WO2004079921A3 Method, system and apparatus for acquiring a received impulse radio signal
02/24/2005US20050044083 Recording medium recording apparatus, recording method, recording medium reproduction apparatus, and reproduction method
02/24/2005US20050043931 Interference reduction by step function removal
02/24/2005US20050042997 Spacetime equalization in a wireless receiver
02/24/2005US20050042260 Method and composition
02/24/2005US20050041986 Optical transmission method and optical receiver
02/24/2005US20050041983 Method of forming a coded optical signal with a return to zero or non return to zero format
02/24/2005US20050041764 Multipath distortion eliminating filter
02/24/2005US20050041760 Computation of decision feedback equalizer coefficients with constrained feedback tap energy
02/24/2005US20050041759 I/Q demodulation circuit
02/24/2005US20050041750 System and method for multi-access MIMO channels with feedback capacity constraint
02/24/2005US20050041732 Channel equalizer, method and computer program for equalizing a channel
02/24/2005US20050041730 DSL modem apparatus and communication control method
02/24/2005US20050041727 PHY control module for a multi-pair gigabit transceiver
02/24/2005US20050041725 Receiver of an ultra wide band signal and associated reception method
02/24/2005US20050041683 Periodic interface calibration for high speed communication
02/24/2005US20050041574 Communication signal equalization systems and methods
02/24/2005US20050040975 Method of generating pseudo 8B/10B code and apparatus for generating the same
02/24/2005US20050040878 Memory device having an adjustable voltage swing setting
02/24/2005US20050040867 High speed source synchronous signaling for interfacing VLSI CMOS circuits to transmission lines
02/24/2005US20050040864 Apparatus and method for detecting loss of high-speed signal
02/24/2005US20050040860 High speed differential pre-driver using common mode pre-charge
02/24/2005US20050040846 Signal transmission system, and signal transmission line
02/24/2005US20050040845 Semiconductor integrated circuit device capable of controlling impedance
02/24/2005DE10335905A1 Verfahren und Vorrichtung zur bidirektionalen Eindraht-Datenübertragung Method and apparatus for single-wire bi-directional data transmission