Patents for H04L 25 - Baseband systems (55,083)
08/2005
08/11/2005WO2005074219A1 Data transmitter, data receiver, and transmission line encoding and decoding methods
08/11/2005WO2005074218A1 Channel estimation for a communication system using spectral estimation
08/11/2005WO2005074217A1 Time filtering for excess delay mitigation in ofdm systems
08/11/2005WO2005074181A1 Transmitting/receiving apparatus and transmitting/receiving method
08/11/2005WO2005074159A1 Systems and methods for communication
08/11/2005WO2005074154A2 Method and apparatus for improving error rates in multi-band ultra wideband communication systems
08/11/2005WO2005074121A1 Transmitter predistortion circuit and method therefor
08/11/2005WO2005072335A2 Adaptive-allocation of i/o bandwidth using a configurable interconnect topology
08/11/2005WO2005072331A2 Equalized signal path with predictive subtraction signal
08/11/2005WO2005060191A3 Signal decoding methods and apparatus
08/11/2005WO2005048548A3 Digital data receiver for edge cellular standard
08/11/2005WO2005048546A3 Channel estimation by adaptive interpolation
08/11/2005WO2005036775A3 Apparatus and method of multiple antenna transmitter beamforming of high data rate wideband packetized wireless communication signals
08/11/2005WO2004102804A3 Method and apparatus for signal reception using ground termination and/or non-ground termination
08/11/2005US20050177588 Data communication bus
08/11/2005US20050176436 Channel estimation for a wireless communication system with multiple parallel data streams
08/11/2005US20050176386 System and method for transmitting data via wave reflection
08/11/2005US20050175357 UWB signal generator using optical FSK modulator
08/11/2005US20050175355 Non-linear compensation of timing jitter
08/11/2005US20050175131 Data processing method, equalizer and receiver
08/11/2005US20050175128 Interference-free lms-based adaptive asynchronous receiver
08/11/2005US20050175127 Method for determining the phase-and/or amplitude-noise spectrum of a digitally modulated signal
08/11/2005US20050175126 Channel estimation apparatus and method in digital communication system
08/11/2005US20050175122 Signal detection using sphere decoding technique
08/11/2005US20050175120 Clock-less serial data interface using a single pin
08/11/2005US20050175118 Data carrier comprising means for influencing the slope course of the signal edges in an amplitude-modulated signal
08/11/2005US20050175117 Method of selecting a profile of a digital subscriber line
08/11/2005US20050175116 OFDM, CDMA, spread spectrum,TDMA, cross-correlated and filtered modulation
08/11/2005US20050175112 Time domain equalization using frequency domain operations
08/11/2005US20050175081 Decision-feedback equalizer and method of updating filter coefficients
08/11/2005US20050175080 Equalizer status monitor
08/11/2005US20050175076 System and method for tracking an ultrawide bandwidth signal
08/11/2005US20050175068 Randomly changing pulse polarity and phase in an UWB signal for power spectrum density shaping
08/11/2005US20050174983 Method and receiver for processing a multi-user signal
08/11/2005US20050174980 Apparatus and method for adjusting an input range for a soft-decision decoder
08/11/2005US20050174931 Subband-based demodulation for an OFDM-based communication system
08/11/2005US20050174929 Receiving device, receiving method, and device for measuring transmission channel characteristic
08/11/2005US20050174150 Comparator system and method for comparing an input signal with a reference level using said system
08/11/2005US20050174148 Signal detection circuit
08/11/2005US20050174147 Current mode transmitter capable of cancel channel charge error
08/11/2005US20050174145 Data transmission/reception system
08/11/2005US20050174143 Calibration methods and circuits for optimized on-die termination
08/11/2005DE10251288B4 Equalizerschaltung mit Kerbkompensation für einen Direktmischempfänger Equalizer circuit with notch compensation for a direct conversion receiver
08/11/2005DE102004049016B3 Circuit arrangement for electrically insulated transmission of electrical signal with optical coupler has evaluation circuit that only recognizes pulse width modulated signal as valid if terminating signal has been received
08/11/2005DE102004002294A1 Vehicle radio interference reduction system has equipment clock frequencies adjusted by feedback from high frequency receiver to minimise passband interference
08/11/2005CA2554602A1 Time filtering for excess delay mitigation in ofdm systems
08/11/2005CA2554415A1 Channel estimation for a communication system using spectral estimation
08/11/2005CA2553668A1 Systems and methods for communication
08/10/2005EP1562312A2 Receiver cicuit and method of operation
08/10/2005EP1562303A1 Signal separator
08/10/2005EP1561298A1 Combining direct interference estimation and decoder metrics for amr mode adaptation in gsm systems
08/10/2005EP1561283A2 Noise and channel estimation using low spreading factors
08/10/2005EP1488589B1 Apparatus and method for estimating a plurality of channels
08/10/2005EP1183839B1 Method and apparatus for determination of channel and baud frequency offset estimate using a preamble with a repetitive sequence
08/10/2005EP1072131B1 Method for demodulating a carrier wave modulated by a digital symbol sequence
08/10/2005CN1653844A Soft handoff for ofdm
08/10/2005CN1653806A High-resolution image projection
08/10/2005CN1653769A Alignment and deskew device, system and method
08/10/2005CN1653768A Precoding for a multipath channel in a mimo system
08/10/2005CN1653767A Data transmission/reception system
08/10/2005CN1653740A Transmitting device and receiving device
08/10/2005CN1653708A Transmitting and receiving arrangement with a channel oriented link
08/10/2005CN1652611A Decoding method and decoding apparatus
08/10/2005CN1652493A Apparatus and method for controlling adaptive modulation and coding
08/10/2005CN1652486A Method and appts. for achieving 180 deg. phase invariant transmission in PCM modem system
08/10/2005CN1652472A Signal separator
08/10/2005CN1214632C Vertical phase demodulation circuit
08/10/2005CN1214586C Fading resistant multi-level QAM receiver
08/10/2005CN1214585C DC-offset correction circuit having DC control loop and DC blocking circuit
08/10/2005CN1214584C Method and device for Walsh-modulated self-adaptive linear equalisation
08/10/2005CN1214333C Universal serial bus interface apparatus
08/09/2005US6928274 Receiver device for a mobile radiocommunication unit employing a speed estimator
08/09/2005US6928121 Digital transmitter with constrained envelope and spectral regrowth over a plurality of carriers
08/09/2005US6928111 Method and apparatus for controlling equalizer using sync signal in digital vestigial sideband system
08/09/2005US6928110 Adaptive equalizer training circuit, modem apparatus and communication apparatus
08/09/2005US6928109 Method and apparatus for converting between byte lengths and burdened burst lengths in a broadband communication system
08/09/2005US6928107 Iterative precoding system and method for resource limited data transceivers
08/09/2005US6928106 Phy control module for a multi-pair gigabit transceiver
08/09/2005US6928104 Scaling using gain factors for use in data detection for wireless code division multiple access communication systems
08/09/2005US6928064 Fast acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system
08/09/2005US6928062 Uplink pilot and signaling transmission in wireless communication systems
08/09/2005US6928056 System and method for distribution of a data stream from high-to-low-to-high bandwidth links
08/09/2005US6928047 Precoded OFDM systems robust to spectral null channels and vector OFDM systems with reduced cyclic prefix length
08/09/2005US6928018 Dynamic register with low clock rate testing capability
08/09/2005US6927709 Transmission and reception interface and method of data transmission
08/09/2005US6927645 Electronic component structured to compensate for cable losses and method of production
08/09/2005US6927609 Current-mode receiving device for display system
08/09/2005US6927565 Dynamic register with IDDQ testing capability
08/09/2005CA2376014C System and method for data scrambling to reduce the crest factor in an ofdm waveform
08/09/2005CA2356161C Method and apparatus for controlling equalizer using sync signal in digital vestigial sideband system
08/09/2005CA2164593C Digital broadcast system with range extension broadcast stations
08/04/2005WO2005071913A1 Data detection for a hierarchical coded data transmission
08/04/2005WO2005071908A1 Arrangement for the transformerless supply of electronic current to the signal lines of a local network
08/04/2005WO2005071891A1 Local area network featuring transmitter-free signal transmission
08/04/2005WO2005071884A1 Arrangement for the transformerless supply of electronic current to the signal lines of a local network
08/04/2005WO2005043801A3 Method for transmitting estimation data of at least one propagation channel of a receiver to a transmitter
08/04/2005US20050172195 Errored bit sequence identifying method and decision feedback equalizer
08/04/2005US20050171987 Scalable folded low-complexity pipeline, method of pipelining and multiple-input, multiple-output receiver employing the same
08/04/2005US20050170783 Channel estimation for OFDM communication systems
08/04/2005US20050170781 Channel adaptation using variable sounding signal rates