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)
11/2003
11/06/2003US20030208668 Single-ended memory interface system
11/06/2003US20030206744 Bottom level detection device for burst mode optical receiver
11/06/2003US20030206626 Low voltage circuits powered by the phone line
11/06/2003US20030206604 Receiver for baseline wandering compensation
11/06/2003US20030206601 Transmit diversity pilot processing
11/06/2003US20030206578 Systems and methods for fractional bit rate encoding in a pulse amplitude modulation communication system
11/06/2003US20030206126 Binarizing circuit, wireless communication device, and binarizing method
11/06/2003US20030206073 Method and system for synchronizing a quadrature amplitude modulation demodulator
11/06/2003US20030206048 Data transmission system
11/06/2003US20030206044 Dynamic control of switching reference voltage
11/06/2003CA2483985A1 Method and device for pulse shaping qpsk signals
11/06/2003CA2483511A1 Dc removal techniques for wireless networking
11/05/2003EP1359756A1 Data transmitting method and receiving method, and video data transmitting device and receiving device
11/05/2003EP1359700A1 MC-CDMA receiver with an equalisation per subcarrier
11/05/2003EP1359683A1 Wireless communication using multi-transmit multi-receive antenna arrays
11/05/2003EP1359668A1 Output buffer circuit
11/05/2003EP1358737A2 Loop extender with selectable line termination and equalization
11/05/2003EP1358720A2 Methods for transmitting a waveform having a controllable attenuation and propagation velocity
11/05/2003EP1358644A1 A system and method for interrogating electronic labels
11/05/2003EP1357986A1 Communication system for radio controlled toy vehicle
11/05/2003EP1171981B1 Digital gmsk filter
11/05/2003EP1110320B1 Output driving circuit
11/05/2003EP0931388B1 Spatio-temporal processing for communication
11/05/2003EP0917789B1 Dc suppression for pcm modems
11/05/2003CN1454423A Modulation method for a multi-carrier process with pre-emphasis
11/05/2003CN1454421A Data transmission using pulse width modulation
11/05/2003CN1454412A A method of channel estimation and the receive system for implementing said method
11/05/2003CN1454019A Method and apparatus for channel estimation in digital radio communication system
11/05/2003CN1127261C Data processing device
11/05/2003CN1127248C Level control and adaptive filtering in CAP receivers
11/05/2003CN1127247C Termination of coded or uncoded modulation with path oriented decoder
11/04/2003US6643814 Maximum transition run encoding and decoding systems
11/04/2003US6643471 Increased transmission capacity for a fiber-optic link
11/04/2003US6643469 Method for improved wireless optical communication and frames for use in a wireless optical communication system
11/04/2003US6643341 Voice and image signal transmission method using code output
11/04/2003US6643336 DC offset and bit timing system and method for use with a wireless transceiver
11/04/2003US6643332 Method and apparatus for multi-level coding of digital signals
11/04/2003US6643321 Method for rapid synchronization of a point to multipoint communication system
11/04/2003US6643270 Method of compensating for systemic impairments in a telecommunications network
11/04/2003US6642864 Method and apparatus for encoding/decoding N-bit data into 2N-bit codewords
11/04/2003US6642741 Electronically adjustable integrated circuit input/output termination method and apparatus
10/2003
10/30/2003WO2003090461A1 Kalman-viterbi joint channel equalizer
10/30/2003WO2003090440A2 Packet error signal generator
10/30/2003WO2003090439A2 Concatenated equalizer/trellis decoder architecture for an hdtv receiver
10/30/2003WO2003090421A1 Optimum threshold using forward error correction information
10/30/2003WO2003090389A1 Equalizer/forward error correction automatic mode selector
10/30/2003WO2003090374A1 High-speed signal transmission system
10/30/2003WO2003090350A1 Equalizer mode switch
10/30/2003WO2003090349A1 Equalizer status monitor
10/30/2003WO2003090348A1 Decision feedback equalizer
10/30/2003WO2003058376A3 System for regenerating a clock for data transmission
10/30/2003WO2003021845A3 Communicating data using wideband communications
10/30/2003WO2002071711A8 Co-chanel interference canceller
10/30/2003WO2002007400A9 Digital interface with low power consumption
10/30/2003US20030204808 Method and apparatus for random shuffled turbo multiuser detector
10/30/2003US20030204806 Signal transmission system
10/30/2003US20030204765 Method and apparatus for time domain equalization
10/30/2003US20030203728 DC removal techniques for wireless networking
10/30/2003US20030202802 Automatic threshold control device for burst mode optical receiver
10/30/2003US20030202619 Trimming of local oscillation in an integrated circuit radio
10/30/2003US20030202618 Radio receiver having direct DC offset compensation
10/30/2003US20030202617 Decision feedback equalization employing a lookup table
10/30/2003US20030202615 Predistorted modulation system for bandwidth efficient satellite links
10/30/2003US20030202613 Burst-mode combining of reverse path radio frequency signals
10/30/2003US20030202612 Method and system for rate enhanced SHDSL
10/30/2003US20030202572 Determining speed of a digital signal in a serial transmission line
10/30/2003US20030202570 XDSL multi-hybrid modem with power spectral density shaping
10/30/2003US20030202537 Method and apparatus for data transfer using a time division multiple frequency scheme supplemented with polarity modulation
10/30/2003US20030202499 Method and apparatus for determining an upper data rate for a variable data rate signal
10/30/2003US20030202445 Data reproduction control method and apparatus, and optical disk unit
10/30/2003US20030201918 Method and apparatus for adaptive bus coding for low power deep sub-micron designs
10/30/2003US20030201802 Driver and amplifier circuitry
10/30/2003US20030201790 Adaptive signal termination
10/30/2003US20030201789 Bus termination system and method
10/29/2003EP1357717A1 Automatic detection threshold control device for burst mode optical receiver
10/29/2003EP1357716A1 Method to reduce cochannel interferences in a TDMA system
10/29/2003EP1357715A2 Bus driver for bidirectional two-wire bus systems
10/29/2003EP1357714A1 Method and device for channel estimation in digital radio communication systems
10/29/2003EP1357676A2 Apparatus and method for channel coding and multiplexing in CDMA communication system
10/29/2003EP1357675A2 Apparatus and method for channel coding and multiplexing in CDMA communication system
10/29/2003EP1357674A2 Apparatus and method for channel coding and multiplexing in CDMA communication system
10/29/2003EP1357673A2 Apparatus and method for channel coding and multiplexing in CDMA communication system
10/29/2003EP1357672A2 Apparatus and method for channel coding and multiplexing in CDMA communication system
10/29/2003EP1357669A1 Decoding device and decoding method
10/29/2003EP1357553A1 Adaptive equalizing circuit and regenerative device using it, and adptive equalizing method
10/29/2003EP1356629A2 Network device interface for digitally interfacing data channels to a controller via a network
10/29/2003EP1356618A1 Dynamic bandwidth allocation for multiple access communication using session queues
10/29/2003EP1356610A2 Universal lighting network method and system
10/29/2003EP1151590B1 Method for detecting pilot signals
10/29/2003EP1068700B1 Signaling output stage for generating digital voltage signals on a bus system
10/29/2003CN1452817A Method and apparatus employing wireless in-band signaling for downlink transmission of commands
10/29/2003CN1452813A Method of channel estimation and system employing said method
10/29/2003CN1452812A Method and apparatus for start-up procedure for digital and analog modems utilizing PCM
10/29/2003CN1452365A Demodulating
10/29/2003CN1452318A Differential output structure with decreased bias under single input
10/29/2003CN1452242A Chip terminating device in semiconductor IC and controlling method thereof
10/29/2003CN1126341C Rate changeable communication system and receiving transmitting device adated to said system
10/29/2003CN1126336C Coherent channel estimation method based on inserted pilot simbol
10/29/2003CN1126321C Methods and arrangement for transmitting data via radio interface in radiocommunications system
10/29/2003CN1126285C Detection of mutually orthogonal codewords with intersymbol interference and imperfect timing
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