Patents for H04L 25 - Baseband systems (55,083)
10/2009
10/21/2009CN101562502A Physical-layer sub-channel allocation method, emission system and receiving system
10/21/2009CN101562469A Partial user feedback method in multiuser multiple input multiple output analog feedback system
10/21/2009CN101562462A Method for constructing and distributing training sequence with zero interference window and channel estimator thereof
10/21/2009CN100553318C Apparatus and method of common-frequency repeater
10/21/2009CN100553249C Method for cancelling interference realized in frequency region for WCDMA straight-station system
10/21/2009CN100553188C Apparatus and method for receiving signal in a multiple-input multiple-output communication system
10/21/2009CN100553186C OFDM channel estimation and tracking for multiple transmit antenna
10/21/2009CN100553166C Channel estimation method based on particle filtering
10/21/2009CN100553150C 8B/10B encoding and decoding for high speed applications
10/21/2009CN100553146C Repeater circuit with high performance and normal repeater modes
10/21/2009CN100553145C Repeater circuit with high performance and normal repeater modes and reset capability
10/21/2009CN100553142C Repeater circuit having different operating and reset voltage ranges, and methods thereof
10/21/2009CN100552571C Wireless timepiece
10/21/2009CN100551756C Signaling protection system
10/20/2009US7607052 Physical coding sublayer for a multi-pair gigabit transceiver
10/20/2009US7606548 Data transmission method
10/20/2009US7606537 System and method for transmitting data via wave reflection
10/20/2009US7606353 Signal amplitude and clock signal frequency selection
10/20/2009US7606342 Tracking the phase of a received signal
10/20/2009US7606341 Circuit for bit alignment in high speed multichannel data transmission
10/20/2009US7606337 Enhancing signals
10/20/2009US7606334 Channel estimation using pilot symbols
10/20/2009US7606293 Bidirectional turbo ISI canceller-based DSSS receiver for high-speed wireless LAN
10/20/2009US7606138 Multi-symbol encapsulated OFDM system
10/20/2009CA2222380C Data transmission frame and procedure and device for sending and receiving
10/15/2009WO2009126158A1 Low power slicer-based demodulator for ppm
10/15/2009WO2009124568A1 Method and circuit device for correlation and reshaping based channel estimation in a dtmb receiver
10/15/2009WO2009094135A3 Channel estimation using common and dedicated pilot channels
10/15/2009WO2009086142A4 Asymmetric communication on shared links
10/15/2009US20090259713 Novel massively parallel supercomputer
10/15/2009US20090257525 Software-based spread spectrum signal processing
10/15/2009DE202009004079U1 Galvanisch getrenntes Energie- und Datenübertragungsmodul Electrically isolated power and data transmission module
10/15/2009DE10053366B4 Eingangspufferschaltungen mit einer Signalverstärkungsfähigkeit und dazugehörige Arbeitsverfahren Input buffer circuits with a signal amplification capability and associated work practices
10/14/2009EP2109271A1 MIMO decoding method and apparatus thereof
10/14/2009EP2109247A1 Detection of data received by a master device in a single-wire communication protocol
10/14/2009EP2109229A1 A demodulation method and apparatus, and an equalization method and system in transmitting delivery mode
10/14/2009EP2108226A1 Method and apparatus for impairment correlation estimation in multi-antenna receivers
10/14/2009EP2108225A1 Communication method and device
10/14/2009CN201324117Y Novel clothes-hanger
10/14/2009CN101558619A Method and apparatus for codebook exchange in a multiple access wireless communication system
10/14/2009CN101557378A Method for pilot transmitting, channel estimation and noise power estimation in OFDM system
10/14/2009CN101557371A Method for determining pilot frequency pattern for mobile terminal in base station of multi-carrier MIMO system
10/14/2009CN101557370A Integer frequency swing estimating method of orthogonal frequency division multiplexing system
10/14/2009CN101557368A Extended algorithm data estimator
10/14/2009CN101557367A Method for precoding multi-point limited cooperative multiple-input-multiple-output communication system
10/14/2009CN101557366A Channel estimation method based on orthogonal frequency division multiplexing system
10/14/2009CN101557365A Method of modulation mode detection for communication system
10/14/2009CN101557364A Joint-iterative channel estimation and decoding method of Turbo-OvCDM system
10/14/2009CN101557363A Channel estimation methods based on decision feedback in shortwave narrowband FFH/BFSK system
10/14/2009CN101557362A Channel estimating method of polar coordinate system suitable to OFDM system
10/14/2009CN101557327A Intrusion detection method based on support vector machine (SVM)
10/14/2009CN101557240A Method and device for frequency deviation estimation in mobile communication system
10/14/2009CN100550877C Method and apparatus for adjusting the phase of a received signal
10/14/2009CN100550874C Method and apparatus of detecting ICSI in an OFDM system
10/14/2009CN100550870C Broadband predistortion linearization method and system
10/14/2009CN100550869C Coder for digital communication
10/14/2009CN100550868C A method and system for elimination of the multi-path interference and carry frequency deviation
10/14/2009CN100550867C Broadband receiver of multiple input and multile output system
10/14/2009CN100550709C Channel estimation circuit and channel estimation method
10/14/2009CN100550661C Radio receiver with reconfigurable block and related method and wireless communications system
10/14/2009CN100550630C Method and apparatus for generating a distortionless pulse width modulated waveform
10/13/2009US7602875 Sampling rate conversion method and apparatus
10/13/2009US7602861 Wireless receiver for removing direct current offset component
10/13/2009US7602860 Method and system for decoding multilevel signals
10/13/2009US7602858 Digital transmitter
10/13/2009US7602857 Digital transmitter
10/13/2009US7602845 Adaptive filter
10/13/2009US7602818 Fibre channel transceiver
10/13/2009US7602806 Signaling and coding methods and apparatus for long-range 10 and 100 MBPS ethernet transmission
10/13/2009US7602749 Fast acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system
10/13/2009CA2394280C Truncated metric for ntsc interference rejection in the atsc-hdtv trellis decoder
10/08/2009WO2009123937A2 Methods and apparatus for reducing or avoiding use of non-shift based divisions in a communications device
10/08/2009WO2009123830A1 Method and system for dc compensation and agc
10/08/2009WO2009122298A2 An efficient peak cancellation method for reducing the peak-to-average power ratio in wideband communication systems
10/08/2009WO2009121795A2 Equalisation processing
10/08/2009US20090252504 Optical Receiver
10/08/2009US20090252255 Predistortion methods and apparatus for polar modulation transmitters
10/08/2009US20090252213 Selectable-Tap Equalizer
10/08/2009DE102009008182A1 Empfangsvorrichtung mit Impedanzsteuerschaltung und Halbleitervorrichtung mit Impedanzsteuerschaltung Receiving apparatus with impedance control circuit and semiconductor device with impedance control circuit
10/08/2009DE10164916B4 Datenrückgewinnungsschaltungsanordnung Data recovery circuitry
10/08/2009CA2718235A1 Method and system for dc compensation and agc
10/07/2009EP2107747A1 Data recovery for a multi-speed, multilevel signal
10/07/2009EP2107746A2 High speed signaling system with adaptive transmit pre-emphasis, reflection cancellation and offset cancellation
10/07/2009EP2107745A1 Method and system for bit polarization coding
10/07/2009EP2107744A2 Modulating apparatus, mobile communication system, modulating method, and communication method
10/07/2009EP2106648A2 Method and system for baseband predistortion linearization in multi-channel wideband communication systems
10/07/2009CN201323595Y Self-recovery type protective RS485 communication signal repeater
10/07/2009CN101554025A Orage efficient sliding window sum
10/07/2009CN101553995A Fixed-point implementation of a joint detector
10/07/2009CN101552763A OFDM channel estimation technique
10/07/2009CN101552752A Signal-to-noise estimation method of baseband communication signal
10/07/2009CN101552751A Modulation method based on elliptically spherical function
10/07/2009CN101552750A Method for designing base band transmission system based on elliptically spherical function
10/07/2009CN101552749A Receiver for recovering and retiming electromagnetically coupled data
10/07/2009CN101552748A A channel estimate method that eliminates the impact of timing deviation
10/07/2009CN101552687A Method, system and device for improving channel estimation accuracy of user equipment
10/07/2009CN101552633A Multiple-input and multiple-output precoding method and device
10/07/2009CN101552622A A method and device to estimate the frequency deviation in TD-CDMA access system
10/07/2009CN100547990C A method for channel forecast
10/07/2009CN100547989C Receiver for multi-carrier communication system