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)
06/2003
06/04/2003CN1422005A Receiving circuit for receiving information signal
06/04/2003CN1422004A Data transmitting method, data transmitting system, transmitter and receiver
06/04/2003CN1110982C Method and apparatus for receiving and transmitting multiply telephone signals
06/03/2003US6574293 Receivers and methods for reducing interference in radio communications
06/03/2003US6574289 Method for determining frame rate of a data frame in a communication system by using apriori knowledge of data frame
06/03/2003US6574284 Bit encoding system and method
06/03/2003US6574280 Method and apparatus for detecting and determining characteristics of a digital channel in a data communication system
06/03/2003US6574207 Method for subscriber unit compressing and transmitting high speed data
06/03/2003US6573948 Equalizing intermediate-frequency signals before demodulating them in a digital television receiver
06/03/2003US6573781 Method for the operation of an electronic circuit utilizing two different voltage levels and electronic circuit
06/03/2003US6573764 Method and apparatus for voltage-mode differential simultaneous bi-directional signaling
06/03/2003US6573759 Apparatus and method for extracting data values from a signal encoded with AES3 data
06/03/2003US6573747 Digital update scheme for adaptive impedance control of on-die input/output circuits
05/2003
05/30/2003WO2003045043A1 High performance micro-filter and splitter apparatus
05/30/2003WO2003045024A1 Adaptive equalizer operating at a sampling rate asynchronous to the data rate
05/30/2003WO2003045023A1 Time reversal communication system
05/30/2003WO2003044997A1 Wireless receiver
05/30/2003WO2003044983A2 Spectral processor for cdma receiver
05/30/2003WO2003044975A1 Low complexity multiuser detector
05/30/2003WO2003025513A3 Method and apparatus for interference signal code power and noise variance estimation
05/30/2003WO2003017607A3 Iterative calculation of coefficients for a multicarrier equaliser
05/30/2003WO2002097646A3 Parallel data communication having skew intolerant data groups
05/30/2003WO2002073912A3 Line driver with slew-rate control
05/30/2003WO2002041545A9 Wireless clock synchronization
05/29/2003US20030100265 Signal jitters detection system and its correction method
05/29/2003US20030099359 Method and apparatus for data scrambling/descrambling
05/29/2003US20030099316 Code enhanced equalization based upon a reliability factor
05/29/2003US20030099311 Tap-selectable viterbi equalizer
05/29/2003US20030099310 Method for correcting DC offsets in a receiver
05/29/2003US20030099309 Channel estimation method blending correlation and least-squares based approaches
05/29/2003US20030099308 Trellis based maximum likelihood signal estimation method and apparatus for blind joint channel estimation and signal detection
05/29/2003US20030099307 Differential slicer circuit for data communication
05/29/2003US20030099306 Method and apparatus for channel estimation using plural channels
05/29/2003US20030099302 System and mehod for reducing the peak power in multi-carrier modulation
05/29/2003US20030099300 Transition encoded dynamic bus circuit
05/29/2003US20030099299 Method and apparatus for data transfer using a time division multiple frequency scheme
05/29/2003US20030099289 Apparatus and method for constraining the value of feedback filter tap coefficients in a decision feedback equalizer
05/29/2003US20030099216 Method and apparatus for estimation of phase offset between communication channels
05/29/2003US20030098715 Data transmission system and cable
05/29/2003US20030098673 Power source regulator for wireline cable system
05/28/2003EP1315347A1 Procedure and device for equalisation using probe signals
05/28/2003EP1315346A1 Method and apparatus for block equalization with improved interpolation
05/28/2003EP1315345A1 Method and apparatus for block equalization with adaptation to the transmission channel
05/28/2003EP1315327A2 Apparatus and method for sampling eye diagrams with window comparators
05/28/2003EP1315317A2 Apparatus for detecting cutoff of optical signal, optical receiver, optical transmitter, and corresponding method
05/28/2003EP1315304A2 Receiver circuit for communications signals
05/28/2003EP1314289A1 Estimation and removal of intersymbol interference in multicarrier signals
05/28/2003EP1314288A2 Constrained-envelope transmitter and method therefor
05/28/2003EP1314252A2 Data recovery using data eye tracking
05/28/2003EP1314095A1 Recognition of the connection state of a device in a usb
05/28/2003EP1201043B1 Apparatus and method for facilitating standardized testing of signal lines
05/28/2003EP1110356A4 Feher keying (fk) modulation and transceivers including clock shaping processors
05/28/2003EP0888681B1 Balanced transversal i,q filters for quadrature modulators
05/28/2003CN1421087A Center-of-gravity control for hierarchical QAM transmission systems
05/28/2003CN1421085A Method and apparatus for combined soft-decision based on interference cancellation and decoding
05/28/2003CN1420707A High-speed data coding and decoding device, and data sending system
05/28/2003CN1420706A Ultra-high speed data coding and decoding device, and data sending system
05/28/2003CN1420653A Method and circuit for modulating multi-channel phase match by PLL controlling radio base band
05/28/2003CN1420648A OFDM demodulating method and OFDM demodulator
05/28/2003CN1420408A Data sending device and data communication device and method
05/28/2003CN1420406A Deformity adjusting circuit and method, and data synchronization circuit and method
05/28/2003CN1110175C AGC circuit and method for digital TV receiver
05/28/2003CN1110163C Method and device for estimating flat fading channel in CDMA communication system
05/28/2003CN1110155C Method and device for control of base station power
05/28/2003CN1110148C Equalizing method and equalizer for OFDM receiver
05/28/2003CN1110143C Coding method and arrangement, and decoding method and arrangement
05/28/2003CN1110139C Wave-shape shaping circuit and infrared data communication device using same
05/27/2003US6570943 Method for equalization of complementary carriers in an AM compatible digital audio broadcast system
05/27/2003US6570939 Receiving device with demodulating function based on orthogonal detection and equalizing function based on maximum likelihood sequence estimation
05/27/2003US6570935 Method and system for demodulating a receive signal including a pilot signal
05/27/2003US6570934 Single-end-zero receiver circuit
05/27/2003US6570932 Calculation and verification of transmit power levels in a signal point transmission system
05/27/2003US6570930 Three-state differential data transmission with self latching ability
05/27/2003US6570919 Iterative decoding of data packets employing decision feedback equalization
05/27/2003US6570917 Equalizer training in the presence of network impairment
05/27/2003US6570910 Baseband processor with look-ahead parameter estimation capabilities
05/27/2003US6570889 Transmitter and transmitting method increasing the flexibility of code assignment
05/27/2003US6570690 Optical parallel transmission system
05/27/2003US6570513 Isolation system with digital communication across a capacitive barrier
05/27/2003US6570463 Signal transmission system
05/27/2003US6570424 Signal phase adjustment circuit to set optimum phase
05/27/2003US6570415 Reduced voltage swing digital differential driver
05/27/2003US6570406 Method and circuit for pre-emphasis equalization in high speed data communications
05/27/2003US6570148 Signal input cutoff detector, photo receiver and signal input cutoff detecting method
05/23/2003CA2412147A1 Process and device for block equalization with adaptation to transmission channel
05/23/2003CA2412145A1 Process of equalization by data segmentation
05/23/2003CA2412126A1 Process and device for block equalization with improved interpolation
05/22/2003WO2003043283A1 A quadrature amplitude modulation method used in the digital mobile communication system
05/22/2003WO2003043281A1 Soft-output slicer with differential difference amplifiers for binary signals
05/22/2003WO2003043243A1 Transmission method, transmission apparatus, and reception apparatus
05/22/2003WO2003043242A1 Reception apparatus
05/22/2003WO2003043222A1 Communication method and radio communication apparatus
05/22/2003WO2003043219A1 Most likelihood series estimation apparatus and most likelihood series estimation method
05/22/2003WO2003043214A1 System and method for dc offset compensation in a wcdma receiver
05/22/2003WO2003043201A1 Metric correction for multi user detection, for long codes ds-cdma
05/22/2003WO2003015292A3 Digital equalization process and mechanism
05/22/2003WO2002089405A3 Fibre channel transceiver
05/22/2003US20030097625 Receiving circuit for receiving messages signals
05/22/2003US20030097226 Apparatus and method for sampling eye diagrams with window comparators
05/22/2003US20030096578 Ultra wideband signals for conveying data
1 ... 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 ... 551