Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 25 - Baseband systems
Patents for H04L 25 - Baseband systems (55,083)
10/2003
10/29/2003CN1126269C Modulation-demodulation method and system
10/28/2003US6640088 Method and system for adaptive channel estimation techniques
10/28/2003US6639954 Mobile communication terminal and transmission-bit-rate detection method
10/28/2003US6639949 Method and apparatus for pulse overlap pre-compensation in digitally modulated signals
10/28/2003US6639909 Receiver having functions for cancelling DC offset and measuring carrier detection threshold value, and control method thereof
10/28/2003US6639438 Apparatus and method for communication link having parallel signal detect with hysteresis
10/28/2003US6639434 Low voltage differential signaling systems and methods
10/23/2003WO2003088607A1 Transmission system
10/23/2003WO2003088606A2 Direct current offset cancellation for mobile station modems using direct conversion
10/23/2003WO2003088589A1 Method and device for padding data segments with a fill pattern and subsequent overwriting with information, in addition to corresponding bus system
10/23/2003WO2003088555A1 Power supply tone compensation for voice band modems
10/23/2003WO2003088542A1 Transmission system
10/23/2003WO2003088500A1 Selectable clocking architecture
10/23/2003WO2003088481A1 Synchronization symbol re-insertion for a decision feedback equalizer combined with a trellis decoder
10/23/2003WO2003088479A1 Transposed structure for a decision feedback equalizer combined with a trellis decoder
10/23/2003WO2003088478A1 Compensation circuit and method for reducing intersymbol interference products caused by signal transmission via dispersive media
10/23/2003WO2003088311A1 Data communication bus
10/23/2003WO2003088283A1 Transpinnor-based transmission line transceivers and applications
10/23/2003WO2003047109A3 Bit-detection arrangement and apparatus for reproducing information
10/23/2003US20030200475 Universal serial bus circuit and data structure
10/23/2003US20030199264 Direct current offset cancellation for mobile station modems using direct conversion
10/23/2003US20030198479 Driver circuit and optical-transmission module
10/23/2003US20030198309 Channel time calibration means
10/23/2003US20030198302 DC-tolerant bit slicer and method
10/23/2003US20030198296 Serial data link with automatic power down
10/23/2003US20030198289 Dynamic amplitude tilt equalizer
10/23/2003US20030198288 Modems, methods, and computer program products for selecting an optimum data rate using error signals representing the difference between the output of an equalizer and the output of a slicer or detector
10/23/2003US20030198285 Method and apparatus for estimating speed-adapted channel
10/23/2003US20030198201 Method of estimating a channel, and a radio system
10/23/2003US20030198169 Data reproduction control method and apparatus, and optical disk unit
10/23/2003US20030198018 Smart fan modules and system
10/23/2003US20030197539 Differential output structure with reduced skew for a single input
10/23/2003US20030197528 Bidirectional signal transmission circuit and bus system
10/23/2003US20030197525 On-chip termination apparatus in semiconductor integrated circuit, and method for controlling the same
10/22/2003EP1355465A1 Robust and scalable de-skew method and apparatus for data path skew control
10/22/2003EP1355464A2 DC removal in an optical receiver
10/22/2003EP1355463A2 Adjustment of a transversal filter
10/22/2003EP1355462A2 Pipelined parallel processing of feedback loops in a decision feedback equaliser
10/22/2003EP1355437A1 Bottom level detection device for burst mode optical receiver
10/22/2003EP1355436A1 Burst mode optical receiver generating a reset signal for an automatic threshold control device during inter-burst periods
10/22/2003EP1355426A1 Multi-bit digital input using a single pin
10/22/2003EP1354452A2 Method and apparatus for estimating channel characteristics using pilot and non-pilot data
10/22/2003EP1354423A2 Method and apparatus for detecting messages with unknown signaling characteristic
10/22/2003EP1142209B1 Method and system for transmitting data in a motor vehicle
10/22/2003EP0737380B1 A wireless digital synchronized diversity receiver
10/22/2003CN1451203A Receiver impedance calibration arrangements in full duplex communication system
10/22/2003CN1450754A Scheduling method for data pocket
10/22/2003CN1125552C Frequency-shift key-control signal receiver
10/22/2003CN1125536C Automatic impedance matching circuit and method
10/21/2003US6636993 System and method for automatic deskew across a high speed, parallel interconnection
10/21/2003US6636729 Apparatus and method for receiving radio signals according to variable weighting factors
10/21/2003US6636574 Doppler spread/velocity estimation in mobile wireless communication devices and methods therefor
10/21/2003US6636573 Precision timing generator system and method
10/21/2003US6636561 Channel equalisers
10/21/2003US6636560 Increased bit rate of telephony modems using controlled intersymbol interface
10/21/2003US6636559 Channel response estimation circuit
10/21/2003US6636348 Signal break detecting circuit
10/21/2003US6636166 Parallel communication based on balanced data-bit encoding
10/21/2003US6636125 Modulation device of the pulse width of very high-frequency signals
10/21/2003US6636069 Method and apparatus for compensated slew rate control of line termination
10/16/2003WO2003085918A1 In-protocol impedance compensation control
10/16/2003WO2003085917A1 Device and method for the controlled scaling and quantization of soft output values of an equalizer
10/16/2003WO2003085875A1 Method and communication device using adaptive space-time encoding, modulation and error coding
10/16/2003WO2003058822B1 Input circuit and method for the operation thereof
10/16/2003WO2003050968A3 Time-domain transmit and receive processing using singular value decomposition for mimo systems
10/16/2003WO2003048903A3 Rate shaping in packet-based computer network
10/16/2003WO2003030581A3 Telemetry of analog and digital data
10/16/2003WO2003005740A3 Burst configuration with single carrier and multicarrier sections
10/16/2003WO2002075925A3 Device for preparing an input signal for a line which is mismatched on the output side
10/16/2003WO2002071616A3 Methods and systems for dsp-based receivers
10/16/2003WO2002043339A3 Method for sound channel upgrading
10/16/2003WO2002003638A8 Method and digital circuit for transmitting a plurality of bit sequences to be transmitted via several bus lines
10/16/2003US20030196207 Method and apparatus for converting between byte lengths and burdened burst lengths in a high speed cable modem
10/16/2003US20030196201 Method and system for displaying advertising, video, and program schedule listing
10/16/2003US20030196154 Optimum threshold for FEC transponders
10/16/2003US20030196132 Robust and scalable de-skew method for data path skew control
10/16/2003US20030195645 Circuits and methods for extracting a clock from a biphase encoded bit stream and systems using the same
10/16/2003US20030194982 Wireless data communications using FIFO for synchronization memory
10/16/2003US20030194244 Burst-mode optical receiver of differential output structure
10/16/2003US20030194243 Burst mode optical receiver
10/16/2003US20030194083 Separation of ring detection functions across isolation barrier for minimum power
10/16/2003US20030194023 Data slicer
10/16/2003US20030194019 Circuit configuration with signal lines for serially transmitting a plurality of bit groups
10/16/2003US20030194017 Multilevel data encoding and modulation technique
10/16/2003US20030194016 System and method for high speed digital signaling
10/16/2003US20030194014 Constellation design for PCM upstream modulation
10/16/2003US20030194000 Distinguishing between final coding of received signals in a PCM modem
10/16/2003US20030193998 Power supply tone compensation for voice band modems
10/16/2003US20030193914 Rapid acquisition spreading codes for spread-spectrum communications
10/16/2003US20030193902 Method and arrangement to estimate tranmission channel characteristcs
10/16/2003US20030193495 Digital communication system and method
10/16/2003US20030193366 Demodulating
10/16/2003US20030193358 Method and device for generating a reference voltage
10/16/2003US20030193351 Output buffer circuit
10/16/2003US20030193350 Versatile RSDS-LVDS-miniLVDS-BLVDS differential signal interface circuit
10/15/2003EP1353484A2 Reconfigurable line driver
10/15/2003EP1353446A2 System and method for generating cyclic codes for error control in digital communications
10/15/2003EP1353378A1 Alternating invertors for capacitive coupling reduction in transmission lines
10/15/2003EP0716527B1 Maximum likelihood decoding and synchronous detecting method
10/15/2003CN1449613A A modulation technique providing high data rate through band limited channels
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