Patents for H04L 25 - Baseband systems (55,083)
03/2009
03/25/2009CN101395875A Method and arrangement for reducing feedback data in a MIMO communication system
03/25/2009CN101394390A Spectrum-spread type PDH microwave communication system and method
03/25/2009CN101394385A OFDM system based on time domain processing combined channel estimation
03/25/2009CN101394379A Two dimensional channel estimation method and estimation module
03/25/2009CN101394378A Channel quality feedback method, device and user terminal for multiple base station collaboration group
03/25/2009CN101394377A Pre-loading device and low voltage differential signal transmitter
03/25/2009CN101394376A Isolation transmitter for field bus
03/25/2009CN101394262A Pilot transmission method and device in OFDM system
03/25/2009CN101394253A Optimized power allocation method reducing interruption rate in encoded collaboration communication
03/25/2009CN101394251A Sending method and device for rank instructional information
03/25/2009CN101394198A Frequency bias capture method for block signal with relatively large frequency bias
03/25/2009CN101394197A Baseband data transmission method and device for CDMA distributed base station system
03/25/2009CN101394190A Broadcast channel estimator
03/25/2009CN101394188A Low density parity check code and decoding system in cascade connection with 4QAM-NR
03/25/2009CN100473061C System and method for transmission format detection
03/25/2009CN100472998C Differential multiple-length transmit and reception diversity
03/25/2009CN100472978C Digital receiver of modulated signal capable of processing various kinds of data rate
03/24/2009US7509109 Adaptive correction of a received signal frequency response tilt
03/24/2009US7508895 Oversampling apparatus, decoding LSI chip, and oversampling method
03/24/2009US7508892 Receiver circuit comprising equalizer
03/24/2009US7508886 System for generating a digital signal
03/24/2009US7508882 Electrical backplane transmission using duobinary signaling
03/24/2009US7508881 Current mode differential transmission method and system for transmitting three units of data using four signal lines
03/24/2009US7508871 Selectable-tap equalizer
03/24/2009US7508870 Method and apparatus for channel estimation in radio systems by MMSE-based recursive filtering
03/24/2009US7508865 System and method for tracking an ultrawide bandwidth signal
03/24/2009US7508805 Apparatus and method for detecting transmitting rate of turbo decoder
03/24/2009US7508798 Virtual mimo communication system
03/24/2009US7508241 Data transfer method, data transfer circuit, output circuit, input circuit, semiconductor device, and electronic apparatus
03/19/2009WO2009036019A1 Vehicular communications system having improved serial communication
03/19/2009WO2009034221A1 Enhanced channel estimation for fast moving terminals
03/19/2009WO2009009542A3 Methods and apparatus for channel estimation and rate feedback in a peer to peer network
03/19/2009WO2009009537A3 Apparatus and method of generating and maintaining hybrid connection identifications (ids) for peer-to-peer wireless networks
03/19/2009WO2009008806A3 Interference suppression method and apparatus
03/19/2009WO2009004600A3 Bpsk ppm cdma system
03/19/2009US20090074124 Determining a Time Interval Based on a First Signal, a Second Signal, and a Jitter of the First Signal
03/19/2009US20090074110 Methods and systems for detecting defects in serial link transceivers
03/19/2009US20090074107 Method and apparatus for optimizing transmitter power efficiency
03/19/2009US20090074106 Multi-mode and multi-band transmitters for wireless communication
03/19/2009US20090074105 Correction of distortions in an emission chain
03/19/2009US20090074104 Subdimensional single-carrier modulation
03/19/2009US20090074097 Symbol de-mapping methods in multiple-input multiple-output systems
03/19/2009US20090074096 Apparatus for high data throughput reception in a wlan
03/19/2009US20090074095 System for multi-frame alignment
03/19/2009US20090074087 System for follow-up synchronization to maintain synchronization throughout transmission
03/19/2009US20090074041 Electronic synchronous/asynchronous transceiver device for power line communication networks
03/19/2009US20090074036 Segment-wise channel equalization based data estimation
03/19/2009DE102008046308A1 Echounterdrückung Echo cancellation
03/19/2009CA2696295A1 Multiplexed beacon symbols for a wireless communication system
03/18/2009EP2037673A1 Solid-state image pickup device, data transmitting method and image pickup device
03/18/2009EP2037647A2 Method and system for approximate maximum likelihood detection in MIMO receiver
03/18/2009EP2037646A2 Method and apparatus for adaptive precoding in codebook-based MIMO system
03/18/2009EP2037605A1 Digital mobile communication system and its transmission/reception method
03/18/2009EP2036342A2 Phase shift based precoding method and transceiver for supporting the same
03/18/2009EP2036205A2 Data translation system and method
03/18/2009EP1794899B1 A radio communication system, a radio station, and a method of transmitting data
03/18/2009EP1665517A4 Method and apparatus for reducing interference within a communication system
03/18/2009EP0956683B1 Data transmission method and radio system
03/18/2009CN101390354A Multiplex differential transmission system
03/18/2009CN101390353A Method and apparatus for synchronizing data channels using an alternating parity deskew channel
03/18/2009CN101390352A Dual output differential line driver using single current
03/18/2009CN101390351A Eigenvalue decomposition and singular value decomposition of matrices using jacobi rotation
03/18/2009CN101390318A A symbol-level adaptation method, memory, equalizer and receiver for implementing this method
03/18/2009CN101390299A Apparatus and methods for implementing a split equalizer filter for sparse channels
03/18/2009CN101390297A Joint signal demodulation in a low and high data rate channel environment
03/18/2009CN101390019A Image forming apparatus, communication device, and cartridge
03/18/2009CN101388877A Chirp spread spectrum technique non-coherent demodulation method based on fractional Fourier transform
03/18/2009CN101388865A Current segmenting circuit for optimizing output waveform of high speed interface
03/18/2009CN101388864A Channel estimation method and device for OFDM communication system
03/18/2009CN101388726A Receiver and electronic device
03/18/2009CN101388706A Highly efficient ultra-linear DFFA mobile wideband communication power amplifier
03/18/2009CN100471186C A two stage estimation feedback equalizer, method for reducing error therein and TV receiver
03/18/2009CN100471185C Differential current driving type transmission system
03/17/2009US7505735 Communication terminal device and communication relay method
03/17/2009US7505695 Optical receiver and optical transmission system
03/17/2009US7505589 Ternary and higher multi-value digital scramblers/descramblers
03/17/2009US7505538 Ultra wideband communication system, method and device with low noise reception
03/17/2009US7505532 Signal transmission system using PRD method, receiver circuit for use in the signal transmission system, and semiconductor memory device to which the signal transmission system is applied
03/17/2009US7505531 Signal communications system and method for noisy links
03/17/2009US7505521 Data transmission system and method
03/17/2009US7505520 Communication system between integrated circuit devices for propagating data in serial
03/17/2009US7505514 Phase-compensation decision feedback channel equalizer and digital broadcasting receiver using the same
03/17/2009US7505398 OFDM modulation/demodulation system
03/17/2009US7505395 Parallel pulse code modulation system and method
03/17/2009US7505086 Video receiver with DC offset cancellation
03/17/2009US7504853 Arrangement for compensation of ground offset in a data bus system
03/17/2009US7504852 Line reflection reduction with energy-recovery driver
03/12/2009WO2009032656A1 Receiver and method for blind adaptive thresholding using noise estimator
03/12/2009WO2009032093A2 Determining channel matrices by correlated transmissions to different channels
03/12/2009WO2009031952A1 Signal modulation for switched mode power amplifiers
03/12/2009WO2009030157A1 Method, device and system for signal transmission and channel estimation
03/12/2009WO2009003859A3 Detection of the presence of a transmitted signal
03/12/2009US20090067614 Common mode transmission line termination
03/12/2009US20090067559 System and method for high-speed decoding and isi compensation in a multi-pair transceiver system
03/12/2009US20090067553 Joint symbol, amplitude, and rate estimator
03/12/2009US20090067540 Method for constructing rach preamble and method for transmitting rach signal
03/12/2009US20090067539 Wireless Personal Area Network Communication Systems, Apparatus and Methods with Fast Adaptive Beamforming
03/12/2009US20090067518 Interpolation Method and a Related Device for Channel Estimation in Communication Systems
03/12/2009US20090067516 Ranging and round trip delay timing adjustment in a multi-point to point bidirectional communication system
03/12/2009US20090067513 Smart antenna system and method thereof for forming uplink eigenbeam of ofdm/tdd