Patents for H04L 25 - Baseband systems (55,083)
12/2005
12/28/2005EP1504557B1 Diversity method and device
12/28/2005EP1433277A4 Systems and methods for multi-pair atm over dsl
12/28/2005EP1382172A4 Enhanced wireless packet data communication system, method, and apparatus apllicable to both wide area networks and local area networks
12/28/2005EP1222778B1 Method for the transmission of signals in a bus system, superposed on a direct supply voltage
12/28/2005EP1110216B1 Enhanced noise-predictive maximum likelihood (npml) data detection method and apparatus for direct access storage device (dasd)
12/28/2005EP0913043B1 Blind dfe and phase correction
12/28/2005CN1714553A A modulation method using hard decision for quadrature amplitude modulation and an apparatus thereof
12/28/2005CN1714552A Reduced complexity channel estimation for wireless communication systems
12/28/2005CN1714551A Radio communication system and radio communication method
12/28/2005CN1714550A A fast transmitter based on table lookup
12/28/2005CN1714549A Method and corresponding arrangement for DC offset compensation using channel estimation
12/28/2005CN1714525A Communication system, communication method, transmission device, reception device, and control program
12/28/2005CN1714517A Receiver system and method for reduced swing differential clock
12/28/2005CN1713628A Symbol timing error detector that uses a channel profile of a digital receiver and a method of detecting a symbol timing error
12/28/2005CN1713626A Voltage level coding system and method
12/28/2005CN1713554A Device and method of dynamically assigning subgroups of spreading sequences
12/28/2005CN1713553A Method of receiver processing of CDMA signals in a CDMA system
12/28/2005CA2510914A1 Equalizer capable of ajdusting step size and equalization method thereof
12/28/2005CA2508383A1 Method and apparatus to automatically control a step size of an lms-type equalizer
12/27/2005US6981204 Programmable glitch filter for an asynchronous data communication interface
12/27/2005US6981203 Method and apparatus for random shuffled turbo multiuser detector
12/27/2005US6981189 Interface circuit
12/27/2005US6980773 Apparatus and method for bias compensation in line circuits
12/27/2005US6980645 Low-pass filtering device with integrated insulator and private installation comprising same
12/27/2005US6980602 Normalization of equalizer soft output for channels with varying noise power
12/27/2005US6980600 Receiver system for Multiple-Transmit, Multiple-Receive (MTMR) wireless communications systems
12/27/2005US6980592 Digital adaptive equalizer for T1/E1 long haul transceiver
12/27/2005US6980023 Dynamically adjustable signal detector
12/27/2005US6980022 Programmable termination with DC voltage level control
12/27/2005US6980021 Output buffer with time varying source impedance for driving capacitively-terminated transmission lines
12/27/2005US6980020 Calibration methods and circuits for optimized on-die termination
12/23/2005CA2510496A1 Symbol timing error detector that uses a channel profile of a digital receiver and a method of detecting a symbol timing error
12/22/2005WO2005122574A1 Digital broadcasting transmission/reception system utilizing mull packet and trs code to improve receiving performance and signal processing method thereof
12/22/2005WO2005122573A1 Digital broadcasting transmission/reception system utilizing srs and trs code to improve receiving performance and signal processing method thereof
12/22/2005WO2005122513A1 Device and method for the optimal estimation of distortion of a transmission medium, comprising the sequential emission of pairs of quadrature complementary sequences
12/22/2005WO2005122511A1 Reception with least-squares estimation of interference
12/22/2005WO2005122454A2 Receiver with feedback to transmitter in a mimo system
12/22/2005WO2005122447A1 A method of realizing channel estimation in ofdm system
12/22/2005WO2005122423A2 Spread spectrum isolator
12/22/2005WO2005122420A1 Wireless communication unit and method for processing a code division multiple access signal
12/22/2005WO2005122405A1 Repeater circuit with high performance and normal repeater modes
12/22/2005WO2005122404A1 Repeater circuit with high performance and normal repeater modes and reset capability
12/22/2005WO2005122403A1 Repeater circuit having different operating and reset voltage ranges, and methods thereof
12/22/2005WO2005089407A3 Drift tracking feedback for communication channels
12/22/2005WO2005048031A3 Method and apparatus for estimating and reporting the quality of a wireless communication channel
12/22/2005US20050282568 Time synchronization using spectral estimation in a communication system
12/22/2005US20050281562 Method for transmitting a data flow over an optical bus, corresponding system and computer program product
12/22/2005US20050281403 Subscriber line interface circuitry
12/22/2005US20050281364 Power and area efficient adaptive equalization
12/22/2005US20050281362 Integrated circuit implementation for power and area efficient adaptive equalization
12/22/2005US20050281360 Reduction of average-to-minimum power ratio in communications signals
12/22/2005US20050281352 Spectrally efficient pulse shaping method
12/22/2005US20050281345 Device and method for reducing peaks of a composite signal
12/22/2005US20050281343 Automatic adaptive equalization method and system for high-speed serial transmission link
12/22/2005US20050281327 Hierarchical adaptive equalizer and design method thereof
12/22/2005US20050281323 Method of receiver processing of CDMA signals in a CDMA system
12/22/2005US20050281238 Process for obtaining notches in the transmission of signals over the electricity network
12/22/2005US20050281214 Multi-user detection using an adaptive combination of joint detection and successive interference cancellation
12/22/2005US20050281097 System and method for equalizing high-speed data transmission
12/22/2005US20050280444 System and method for balancing capacitively coupled signal lines
12/22/2005US20050280443 Power-aware configurable driver circuits for lines terminated by a load
12/22/2005US20050280435 Output buffer with time varying source impedance for driving capacitively-terminated transmission lines
12/22/2005US20050279238 Current modulation-based communication from slave device
12/22/2005DE4426841B4 Signalübertragungseinrichtung Signal transmission device
12/22/2005DE19850279B4 Verfahren für die Übertragung von Signalen zwischen einer ersten Funkstation und einer zweiten Funkstation und Funkstation Procedures for the transmission of signals between a first radio station and a second radio station and radio station
12/22/2005DE102005022684A1 Decision feedback equalization input buffer for memory device, has equalizing controller that modifies variable equalizing control signal in response to timing control signal generated by phase detector
12/22/2005DE102005001174A1 Pulsbreitenmodulationssysteme und -verfahren Pulse width modulation systems and methods
12/22/2005DE102004025826A1 Verfahren zur Rückbildung einer Bitsequenz aus QPSK- oder QAM-Symbolen Process for the formation of a bit sequence of QPSK or QAM symbols
12/21/2005EP1608167A1 Moving picture processing device, information processing device, and program thereof
12/21/2005EP1608119A2 System and method for actively terminating a transmission line
12/21/2005EP1608118A1 Method and receiver for iterative channel estimation using feedback (turbo-estimation)
12/21/2005EP1608095A2 Digital subscriber line transmission method, apparatus and system employing synchronous processing
12/21/2005EP1608070A2 Multi-bit digital input using a single pin
12/21/2005EP1607887A2 Power-aware configurable driver circuits for lines terminated by a load
12/21/2005EP1606892A2 Low noise hybrid circuit for communications systems using time division multiplexing
12/21/2005EP1606888A2 Multi user detection using equalization and successive interference cancellation
12/21/2005EP1516465B1 Method for determining useful signal parameters and interference signal parameters from a received signal in a radio communication system
12/21/2005EP1495607B1 Transmission system
12/21/2005EP1407580B1 Bus system and method for exchanging data
12/21/2005EP1256184A4 Method and apparatus for the control of modem transmit power
12/21/2005EP1108318A4 A constrained-envelope digital-communications transmission system and method therefor
12/21/2005EP1084587B1 Fast acquisition of traffic channels for a highly variable data rate
12/21/2005EP1021882B1 Device and method for cancelling code interference in a cdma communication system
12/21/2005EP0809906B1 Very low power cordless headset system
12/21/2005CN1711733A Radio communication apparatus and radio communication method
12/21/2005CN1711732A Transform-domain sample-by-sample decision feedback equalizer
12/21/2005CN1711529A Integrated circuit
12/21/2005CN1710895A Method for reducing channel estimation false-alarm probability in TD-SCDMA mobile communication system
12/21/2005CN1710894A Channel estimating method for high-speed moving orthogonal frequency division multiplying system
12/21/2005CN1233136C Method and apparatus for demodulating information signal
12/21/2005CN1232916C Twin-tailed fail-over for file servers maintaining full performance in presence of failure
12/20/2005US6978416 Error correction with low latency for bus structures
12/20/2005US6978013 Device for establishing a galvanically separate connection between a telephone line and a signal processing unit at the subscriber end of the telephone line
12/20/2005US6977978 Adaptive channel filtration for communications systems
12/20/2005US6977977 Compensation of I/Q gain mismatch in a communications receiver
12/20/2005US6977973 System and method for decoding manchester data
12/20/2005US6977972 Method of hybrid soft/hard decision demodulation of signals with multilevel modulation
12/20/2005US6977971 Digital data transmission system with device for correcting baseline wander
12/20/2005US6977970 Data reproducing apparatus and method for improving detection performance by adjusting decision levels used in data detector
12/20/2005US6977967 Method and apparatus for performing fast power control in a mobile communication system