Patents for H04L 25 - Baseband systems (55,083)
05/2006
05/02/2006US7039121 Method and system for transition-controlled selective block inversion communications
05/02/2006US7039118 High speed communication system with a feedback synchronization loop
05/02/2006US7039104 Adaptive coefficient signal generator for adaptive signal equalizers with fractionally-spaced feedback
05/02/2006US7039103 Asymmetric digital subscriber line methods suitable for long subscriber loops
05/02/2006US7039004 Decision feedback channel estimation and pilot tracking for OFDM systems
05/02/2006US7039001 Channel estimation for OFDM communication systems
05/02/2006US7038731 Adaptive equalizer method and apparatus for American ATSC system
05/02/2006US7038730 Matched pulse shaping filter
05/02/2006US7038520 Timing signal generating circuit and receiver circuit designed to speed up signal transmission
05/02/2006US7038513 Closed-loop independent DLL-controlled rise/fall time control circuit
05/02/2006US7038502 LVDS driver circuit and driver circuit
05/02/2006US7038498 Input/output circuit, reference-voltage generating circuit, and semiconductor integrated circuit
05/02/2006US7038486 Semiconductor integrated circuit device
05/02/2006US7038485 Terminating resistor device and a method for testing a terminating resistor circuit
04/2006
04/27/2006WO2006044655A2 Infrared adapter with data packet throttle
04/27/2006WO2006043547A1 Communication status control apparatus, communication control apparatus, communication processing apparatus, and communication status control method
04/27/2006WO2006043229A1 Driver circuit for reducing the effects of disturbances on the duty cycle of a digital signal on a bus conductor
04/27/2006WO2006000796A3 Signalling method
04/27/2006US20060088135 Arrangement and method for iterative channel impulse response estimation
04/27/2006US20060088132 Method for demodulating a digital signal based on an estimate of a symbol of the digital signal, and an associated receiver
04/27/2006US20060088130 Regenerating apparatus, regenerating method, and receiver
04/27/2006US20060088129 Method for demodulating a digital signal based on an estimate of multipath propagation impairment, and an associated receiver
04/27/2006US20060088128 Method for demodulating a digital signal based on a generated error signal, and an associated receiver
04/27/2006US20060088125 Multicarrier receiver and transmitter with delay correcting function
04/27/2006US20060088124 Digital predistorter and predistortion method therefor
04/27/2006US20060088121 Clock modulation systems
04/27/2006US20060088110 Driving multiple consecutive bits in a serial data stream at multiple voltage levels
04/27/2006US20060088056 Data packet fragmentation in a cable modem system
04/27/2006DE69925628T2 Fir-filterstruktur mit geringer latenzzeit, zur andwendung bei gigabit-ethernet Fir filter structure with low latency time for gigabit ethernet with USAGE
04/27/2006DE10394242T5 Verfahren und Instrument zur Zuweisung von Rechenressourcen in einem verteilten Steuersystem Method and instrument for allocating computing resources in a distributed control system
04/27/2006DE102004050402A1 Verfahren und Vorrichtung zum Erkennen eines Störeffekts in einem Nachrichtenkanal Method and apparatus for detecting a perturbing effect in a message channel
04/26/2006EP1650918A1 Transmitting apparatus of communication system
04/26/2006EP1650892A1 Modified block space time transmit diversity decoder
04/26/2006EP1649654A1 Apparatus and method for multicarrier transmission/reception with transmission quality evaluation
04/26/2006EP1649652A1 Method for pre-filtering training sequences in a radiocommunication system
04/26/2006EP1649651A1 Method and apparatus for channel equalization in multi-carrier communication devices using discrete cosine modulated filter bank or wavelet packet modulation
04/26/2006EP1649610A1 Alien crosstalk suppression with enhanced patch cord
04/26/2006EP1649608A2 Rake receiver with multi-path interference accommodation
04/26/2006EP1649604A2 High performance wireless receiver with cluster multipath interference suppression circuit
04/26/2006EP1506651B1 Alignment and deskew device, system and method
04/26/2006EP1245101B1 Method and apparatus for buffering data samples in a software based adsl modem
04/26/2006EP1230741A4 One way single-wire communication interface
04/26/2006EP1155541B1 Erasure based instantaneous loop control in a data receiver
04/26/2006EP1046241B1 A method using codebook indexing to achieve high bit densities in a ds-cdma-ss communication system
04/26/2006EP0927469B1 High speed communications system for analog subscriber connections
04/26/2006CN1765095A PLL circuit, demodulator circuit, IC card, and IC card processing apparatus
04/26/2006CN1765052A Bit rate determination circuit based on low bit rate signal
04/26/2006CN1764178A Multicarrier receiver and transmitter with delay correcting function
04/26/2006CN1764175A Adaptive equalizer and method for the same
04/26/2006CN1764174A Equalizer with overlapped filter bank
04/26/2006CN1764153A Method for realizing data message transmission based on RTP
04/26/2006CN1254062C Method for coded modulation taking account of error sensitivity of user data and encrypting said data after coding
04/26/2006CN1254061C Minimization of error contributions in DMT system
04/26/2006CN1254022C Data-transmission circuit with a station and a response circuit
04/25/2006US7035368 High speed parallel link receiver
04/25/2006US7035361 Adaptive noise filtering and equalization for optimal high speed multilevel signal decoding
04/25/2006US7035359 Methods and apparatus for demodulation of a signal in a signal slot subject to a discontinuous interference signal
04/25/2006US7035357 Process and device for extracting digital data contained in a signal conveyed by an information transmission channel, in particular for a cellular mobile telephone
04/25/2006US7035353 Channel estimation method blending correlation and least-squares based approaches
04/25/2006US7035350 Bluetooth access code assisted initial DC estimation and frame synchronization
04/25/2006US7035347 Combining direct interference estimation and decoder metrics for improved measurement for AMR mode adaptation in GSM systems
04/25/2006US7035344 Ultra efficient modulation and transceivers
04/25/2006US7035338 Method and apparatus for encoding/framing for modulated signals over impulsive channels
04/25/2006US7035330 Decision feedback equalizer with dynamic feedback control
04/25/2006US7035329 Soft slicer in a hybrid decision feedback equalizer
04/25/2006US7035325 Jitter measurement using mixed down topology
04/25/2006US7035316 Method and apparatus for adaptive linear equalization for Walsh covered modulation
04/25/2006US7035253 Communication timing coordination techniques
04/25/2006US7035251 Method and apparatus for the synchronization of multiple cable modem termination system devices
04/25/2006US7035241 Method for establishing a priority call in a fixed wireless access communication system
04/25/2006US7034719 Data modulating method and apparatus, data demodulating method and apparatus, and code arranging method
04/25/2006US7034608 Correcting DC offsets in a multi-stage amplifier
04/25/2006US7034567 Semiconductor devices with reference voltage generators and termination circuits configured to reduce termination mismatch
04/20/2006WO2006042326A1 Log-likelihood estimation based on channel estimation errors due to guard subbands
04/20/2006WO2006041500A1 Pipelined decision-feedback unit in a reduced-state viterbi detector with local feedback
04/20/2006WO2006021939A3 Methods and apparatuses for channel estimation for wideband ofdm communication systems
04/20/2006US20060084386 DC offset calibration system
04/20/2006US20060083516 Optical signal receiver and optical space transmission system
04/20/2006US20060083334 Noise bqlqnced qam detection
04/20/2006US20060083332 Apparatus enabled for optimizing spectral efficiency of a wireless link
04/20/2006US20060083331 Method and apparatus for a transceiver having a constant power output
04/20/2006US20060083330 Distortion compensation table creation method and distortion compensation method
04/20/2006US20060083320 Demodulation of multiple signals
04/20/2006US20060083318 Constellation design for PCM upstream modulation
04/20/2006US20060083164 Infrared adapter with data packet throttle
04/20/2006US20060082648 Device and system for in vivo imaging
04/20/2006US20060082477 Method and device for data transmission
04/20/2006DE10350261B4 Verfahren und Vorrichtung zur Anpassung von Schwellwerten in elektronischen Signalverarbeitungseinrichtungen Method and apparatus for adjustment of threshold values ​​in the electronic signal processing means
04/20/2006DE102005048575A1 Impedance adjustment circuit, e.g. for driver circuit termination, has calibration circuit producing impedance control signal based on voltage that can be generated in response to reference current by emulation of variable impedance circuit
04/20/2006DE102005013880B3 Signals predistortion method, involves selecting table from set of two tables based on determined operating condition, and selecting pre distortion coefficient from selected table based on performance word and component
04/20/2006DE102004049106A1 Signal distortion measuring and compensating method, e.g. for teletext reception, involves outputting compensated signal as output signal, which has reference signals, whose progression comes next to ideal progression of reference signals
04/20/2006DE102004047702A1 Method of determining estimation error of decisive slicer determining output value of data, dependent on input value, with estimation error characterising deviation of input from output allocated, rated input value
04/19/2006EP1648128A2 Selective scrambler for use in a communication system and method to minimize bit error at the receiver
04/19/2006EP1647122A1 Setting of decision thresholds in a qam receiver
04/19/2006EP1647119A2 Continuous phase frequency shift keying system
04/19/2006EP1647118A1 Nonlinear precoding method for a digital broadcast channel
04/19/2006EP1647116A1 Circuit arrangement comprising two electronic reactance coils per data line pair of a local network
04/19/2006EP1647093A1 Decision feed forward equalizer system and method
04/19/2006EP1410528B1 Channel prediction in closed loop transmit diversity
04/19/2006EP1374511B1 Bi-directional communication system with echo cancelation