Patents for H04L 25 - Baseband systems (55,083)
04/2009
04/29/2009EP2053813A2 Data transmission
04/29/2009EP2053812A2 Adaptive filter for an on-channel repeater or for removal of IQ crosstalk
04/29/2009EP2053792A1 Bus power-on unit for interconnecting in a dual conductor current loop and measuring transducer, positioner and analog input/output component with such a bus power-on unit
04/29/2009EP2053773A1 Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion
04/29/2009EP2053770A1 A method for realizing frequency domain scheduling in the time division duplex system and the system thereof
04/29/2009EP2052508A1 Signal evaluation and adjustment
04/29/2009EP2052461A2 Digital radio systems
04/29/2009EP1955441B1 Single antenna interference cancellation via complement subspace projection in spatial-temporal expansion of noise estimation
04/29/2009EP1847033A4 Communication system with low power, dc-balanced serial link
04/29/2009EP1547289B1 Reception of a signal modulated according to a multilevel coding technique
04/29/2009EP1495564A4 Equalizer/forward error correction automatic mode selector
04/29/2009EP1438803B2 A method and a device for controlling data extraction from a data stream containing at least one data packet
04/29/2009EP1430674B1 Device and method for suppressing periodic interference signals
04/29/2009CN101422004A Time-domain equalizer
04/29/2009CN101421966A Pilot modulation error ratio for evaluation of transmitter performance
04/29/2009CN101421960A Method for processing a data signal, data processing unit and computer program product
04/29/2009CN101420406A Disturbance eliminating and balancing method between carrier waves, equipment and OFDM receiver
04/29/2009CN101420405A Multi-path symbol resistant timing synchronization device
04/29/2009CN101420397A Digital repeater station and self-excited eliminating method and device
04/29/2009CN101420396A Calculating method for linear fusion phase discriminator
04/29/2009CN101420395A Method, apparatus and single board for status signal transmission
04/29/2009CN100484320C Method for estimating down-chain channel and user's equipment
04/29/2009CN100484115C System and method for channel estimation in an OFDM mobile communication system
04/29/2009CN100484114C Method and device for data signal which has equal Viterbi and is transmitted by signal channel
04/29/2009CN100484113C Method and apparatus for estimating character of transmitting channel
04/29/2009CN100484112C Method and apparatus for controlling power consumption of stations on wireless lan
04/29/2009CN100484071C Method for improved difference mode transition code and corresponding coding and decoding system
04/29/2009CN100483972C Pilot sequence for frame synchronization and frame synchronization method and device therefor
04/29/2009CN100483965C Method and apparatus for signal integrity verification
04/29/2009CN100483532C method for regulating digital filter and relative device
04/28/2009US7526664 Drift tracking feedback for communication channels
04/28/2009US7526256 Transformer-based multi-band RF front-end architecture
04/28/2009US7526250 Apparatus, system and method for flip modulation in an impulse radio communications system
04/28/2009US7526205 Transmission system
04/28/2009US7526050 CCK demodulation via symbol decision feedback equalizer
04/28/2009US7526046 Digital transmitter
04/28/2009US7526042 OFDM system receiver apparatus suppressing inter-symbol interference
04/28/2009US7526041 Channel estimation circuit and channel estimation method
04/28/2009US7526034 Method and apparatus for communicating between devices having no common electrical ground
04/28/2009US7526022 Low complexity equalizer
04/28/2009US7526021 Telecommunications transmission systems
04/28/2009US7526017 Transmitting device, receiving device, transmission system, and transmission method
04/28/2009US7526016 Bluetooth access code assisted initial DC estimation and frame synchronization
04/28/2009US7525374 Multi-level demodulation method and device
04/28/2009US7525338 Calibration methods and circuits for optimized on-die termination
04/28/2009US7525096 Miniature camera module with lens containing image sensor
04/23/2009WO2009051525A1 Pre-coding for frequency selective radio communication channels
04/23/2009WO2009050501A2 Timing in a data switch
04/23/2009WO2005101675A3 Apparatus for reducing channel interference between proximate wireless communication units
04/23/2009US20090104879 Method of operating a communication system, a radio station, and a radio communication system
04/23/2009US20090103654 Low intermediate frequency receiver
04/23/2009US20090103572 Crosstalk Minimization in Serial Link Systems
04/23/2009US20090103509 Enhanced wireless packet data communication system, method, and apparatus applicable to both wide area networks and local area networks
04/23/2009US20090103508 Automatic power control system for a code division multiple access (cdma) communications system
04/23/2009US20090103494 Soft handoff for ofdm
04/23/2009DE102008038780A1 Frequenzbereichsentzerrer Frequency domain
04/22/2009EP2051467A1 Apparatus and method for channel estimation
04/22/2009EP2051463A1 Device and method for detecting sent symbols in a multi-layer transmission system
04/22/2009EP2051462A2 Device and method for detecting transmit signals in a multi-layer transmission
04/22/2009EP2051422A1 Digital data encoding and decoding method and system
04/22/2009EP2050220A2 System and method for fast signal acquisition in a wireless digital receiver for wideband signals
04/22/2009EP2050218A2 Symbol-level combining for mimo systems with harq and/or repetition coding
04/22/2009EP2050196A2 M-algorithm multiuser detector with correlation based pruning
04/22/2009EP2049955A2 Devices, systems, and methods for initializing a plc module
04/22/2009EP1861972B1 Channel estimation optimization
04/22/2009EP1794970B1 Apparatus and mathod for receiving packet data on a subset of carrier frequencies in a wireless communication system
04/22/2009EP1639719A4 Method and apparatus for suppressing co-channel interference in a receiver
04/22/2009EP1297632B1 Enhanced in-band signaling for data communications over digital wireless telecommunication networks
04/22/2009EP1048109B1 Current control technique
04/22/2009CN201226529Y Dynamic dispatching system for wireless network
04/22/2009CN201226528Y Apparatus for transmitting digital intermediate frequency through low swing amplitude differential signal bus
04/22/2009CN101416435A Asymmetric control of high-speed bidirectional signaling
04/22/2009CN101414992A MIMO wireless communication system
04/22/2009CN101414988A Low-complex-degree timing recovery method for TDS-OFDM system
04/22/2009CN101414987A Pulse generation circuit and UWB communication device
04/22/2009CN101414986A Channel estimation method and apparatus
04/22/2009CN100481824C Improvements in optical communications
04/22/2009CN100481739C Apparatus and method for generating and decoding forward error correction codes having variable rate in a high-rate wireless data communication system
04/21/2009US7523382 Apparatus and method for generating and decoding forward error correction codes having variable rate in a high-rate wireless data communication system
04/21/2009US7522847 Continuous time filter-decision feedback equalizer architecture for optical channel equalization
04/21/2009US7522692 Isolator and a modem device using the isolator
04/21/2009US7522684 Signal transmission system
04/21/2009US7522679 System and method for adapting to a change in constellation density while receiving a signal
04/21/2009US7522673 Space-time coding using estimated channel information
04/21/2009US7522671 Apparatus and method for transmitting and receiving high-speed differential current data between circuit devices
04/21/2009US7522660 Pulse pattern generating apparatus
04/21/2009US7522633 Transmission system for efficient transmission of protocol data
04/16/2009WO2009049039A1 Fast square root algorithm for mimo equalization
04/16/2009WO2009048730A2 Method and apparatus for signaling interference information for multi-user mimo
04/16/2009WO2009048362A1 Method and apparatus for per-antenna pilot transmission supporting multi-user mimo transmission
04/16/2009WO2009047739A2 Method and system for managing precoding in a multi-user wireless communications system
04/16/2009WO2009047415A1 Space-time coding for cooperative systems
04/16/2009WO2009003129A3 Methods and circuits for adaptive equalization and channel characterization using live data
04/16/2009WO2008157638A3 Detection of precoding weight information
04/16/2009WO2008119051A3 Permutation of orthogonal reference signals for channel estimation
04/16/2009WO2008100843A4 Correction of voltage offset and clock offset for sampling near zero-crossing point
04/16/2009WO2008087618A3 Device, system and method for encoding employing redundancy and switching capabilities
04/16/2009WO2005036775A4 Apparatus and method of multiple antenna transmitter beamforming of high data rate wideband packetized wireless communication signals
04/16/2009US20090097591 Apparatus and method for envelope tracking power amplification in wireless communication system
04/16/2009US20090097587 Vector coding method and apparatus and computer program