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)
11/2005
11/03/2005US20050243983 Modems
11/03/2005US20050243960 Method of phase shifting bits in a digital signal pattern
11/03/2005US20050243959 Method and apparatus for synchronization mark detection with DC compensation
11/03/2005US20050243955 Reconfigurable chip level equalizer architecture for multiple antenna systems
11/03/2005US20050243951 Iterative turbo decision feedback receiver
11/03/2005US20050243943 Equalising structure and method with maximum likelihood detection
11/03/2005US20050243941 M-dimension M-PAM trellis code system and associated trellis encoder and decoder
11/03/2005US20050243940 Method and apparatus for generating preamble sequence for adaptive antenna system in orthogonal frequency division multiple access communication system
11/03/2005US20050243935 Passive data carrier with signal evaluation means for evaluating information of a self-clocking signal
11/03/2005US20050243908 Decision feedback equalizer
11/03/2005US20050243903 PHY control module for a multi-pair gigabit transceiver
11/03/2005US20050243900 Scaling using gain factors for use in data detection for wireless code division multiple access communication systems
11/03/2005US20050243899 Apparatus and method for preprocessing of pilot symbols for channel estimation by means of adaptive low-pass filtering
11/03/2005US20050243897 Rapid acquisition spreading codes for spread-spectrum communications
11/03/2005US20050243791 Channel estimation apparatus and method for OFDM/OFDMA receiver
11/03/2005US20050243650 Multiple level transmitter and method of transmitting
11/03/2005US20050243220 Video receiver with reduced power mode
11/03/2005US20050243219 Integrated analog video receiver
11/03/2005US20050243218 Video receiver with adaptive image rejection
11/03/2005US20050243217 Video receiver with DC offset cancellation
11/03/2005US20050243201 Image data transmission circuit and image data display system
11/03/2005US20050242979 Low power method and interface for generating analog waveforms
11/03/2005US20050242860 FFT-based multichannel video receiver
11/03/2005US20050242847 High speed source synchronous signaling for interfacing VLSI CMOS circuits to transmission lines
11/03/2005US20050242833 On-die termination impedance calibration device
11/03/2005US20050242832 Apparatus for calibrating termination voltage of on-die termination
11/03/2005US20050242829 Circuit module
11/03/2005US20050241362 Method and device for detecting period length fluctuations of periodic signals
11/03/2005DE10308159B4 Kommunikationsgerät mit Verwendung von Drei-Stufen-Kommunikationspuffern Communication device with use of three-stage communication buffers
11/03/2005DE10228543A1 Bivalent signal transmitting method for e.g. power transistor driving circuit, involves releasing impulse sequence with impulses to channel after signal level change, where distance in each successive impulse varies randomly/pseudo-randomly
11/03/2005DE10033143B4 Verbessertes CIMT-Codiersystem mit einer automatischen Wortausrichtung für eine Simplexoperation Improved CIMT coding system with an automatic word alignment for a simplex operation
11/03/2005CA2562518A1 Method for temporal inversion of a wave
11/02/2005EP1592192A2 Method and apparatus for generating preamble sequence for adaptive antenna system in orthogonal frequency division multiple access communication system
11/02/2005EP1592191A1 Equalising structure and method with maximum likelihood detection
11/02/2005EP1592158A1 Wireless communication system, wireless transmitter, wireless receiver, wireless communication method, wireless transmission method and wireless reception method
11/02/2005EP1592136A1 Adaptive demodulator
11/02/2005EP1590960A2 Method for storing and transmitting data generated by a security module
11/02/2005EP1590935A2 Method for transmitting data in a multi-carrier radio communication system
11/02/2005EP1590933A2 Transmission line conductor arrangement
11/02/2005EP1590925A2 Wideband cable system
11/02/2005EP1590913A1 Data communication using constant total current
11/02/2005EP1523810A4 Scaling using gain factors for use in data detection for wireless code division multiple access communication systems
11/02/2005EP1389382B1 Method and apparatus for variable bit rate clock recovery
11/02/2005EP1383263B1 Estimation method of flat fading channel in cdma communication system and apparatus for the same
11/02/2005CN1692597A Transition detection, validation and memorization circuit
11/02/2005CN1691656A Method for generating scrambling code in digital communication system and apparatus therefor
11/02/2005CN1691655A Decision feedback equalizer and clock and data recovery circuit for high-speed applications
11/02/2005CN1691654A Pilot-based channel estimation method for mc-cdma system using frequency interleaving
11/02/2005CN1691525A Signal reception device, signal transmission device, radio communication system, and signal reception method
11/02/2005CN1225928C Signal locking indicating judging method and apparatus thereof
11/02/2005CN1225927C Method and apparatus for two-level weight and parallel disturbance cancellation under MPSK modulation
11/02/2005CN1225703C Signal receiving circuit, data transmission controller and electronic equipment
11/01/2005US6961862 Drift tracking feedback for communication channels
11/01/2005US6961745 Filter for injecting data dependent jitter and level noise
11/01/2005US6961564 Method for enabling a subscriber entity to actively communicate in a communication network
11/01/2005US6961392 Joint equalization and decoding using a search-based decoding algorithm
11/01/2005US6961391 Signal processor used for symbol recovery and methods therein
11/01/2005US6961390 Systems and methods for non-casual channel equalization in an asymmetrical noise environment
11/01/2005US6961386 Device and method for increasing the bandwidth in a line-connected multicarrier system
11/01/2005US6961374 Pulse data coding method for wireless signal transmitting and receiving devices
11/01/2005US6961373 Method and apparatus for channel equalization
11/01/2005US6961372 Non-iterative time-domain equalizer
11/01/2005US6961371 Cellular communications system receivers
11/01/2005US6961369 System and method for scrambling the phase of the carriers in a multicarrier communications system
11/01/2005US6961366 System and method for redundant path connections in digital communications network
11/01/2005US6961347 High-speed interconnection link having automated lane reordering
11/01/2005US6961314 Burst receiver for cable modem system
11/01/2005US6961305 Polarity-alternated pulse width CDMA and method for measuring distance using the same
11/01/2005US6960982 Electronic control unit for variable PWM communication
11/01/2005US6960952 Configuring and selecting a duty cycle for an output driver
11/01/2005US6960933 Variable data width operation in multi-gigabit transceivers on a programmable logic device
11/01/2005US6960931 Low voltage differential signal driver circuit and method
10/2005
10/27/2005WO2005101840A2 Method and apparatus for minimizing co-channel interference
10/27/2005WO2005101779A1 Communication apparatus and communication method for a digital wavelet multicarrier transmission system
10/27/2005WO2005101778A1 Apparatus for and method of controlling a sampling frequency of a sampling device
10/27/2005WO2005101777A1 Apparatus for and method of controlling a digital demodulator coupled to an equalizer
10/27/2005WO2005101774A1 Communication apparatus and communication method for a digital wavelet multicarrier transmission system
10/27/2005WO2005101773A1 Transmitter circuit, receiver circuit, clock extracting circuit, data transmitting method, and data transmitting system
10/27/2005WO2005101772A1 Calibration of transmit and receive chains in a mimo communication system
10/27/2005WO2005101714A1 Adaptive viterbi detector
10/27/2005WO2005101679A1 Reconfigurable pulse detector in wireless communications system
10/27/2005WO2005101671A2 Method and apparatus for dc offset removal
10/27/2005WO2005101656A1 Apparatus for and method of controlling the operation of an equalizer
10/27/2005WO2005101655A1 Advanced digital receiver
10/27/2005WO2005101654A1 Apparatus for and method of controlling a feedforward filter of an equalizer
10/27/2005WO2005101653A1 Apparatus for and method of controlling a feedforward filter of an equalizer
10/27/2005WO2005101652A1 Apparatus for and method of controlling a feedforward filter of an equalizer
10/27/2005WO2005101648A1 Dual conversion receiver with programmable intermediate frequency and channel selection
10/27/2005WO2005099407A2 Apparatus for and method of developing equalized values from samples of a signal received from a channel
10/27/2005WO2005099399A2 Apparatus for and method of controlling sampling frequency and sampling phase of a sampling device
10/27/2005WO2005022758A3 Simplified scrambling scheme for satellite broadcasting systems
10/27/2005US20050240607 Method of transmitting data including a structured linear database
10/27/2005US20050239503 Bi-directional serial interface for communication control
10/27/2005US20050239428 Dual conversion receiver with programmable intermediate frequency and channel selection
10/27/2005US20050238125 Method of interfacing a high speed signal
10/27/2005US20050238120 Adaptable demodulator
10/27/2005US20050238119 Adaptive hysteresis receiver for a high speed digital signal
10/27/2005US20050238117 Method and device for pulse shaping qpsk signals
10/27/2005US20050238111 Spatial processing with steering matrices for pseudo-random transmit steering in a multi-antenna communication system
10/27/2005US20050238109 Communication apparatus and communication method using digital wavelet multi carrier transmission system
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