Patents for H04L 25 - Baseband systems (55,083)
05/2005
05/25/2005EP1533921A2 Digital optical receiving apparatus and method for monitoring the quality of a modulated optical transmission signal
05/25/2005EP1533708A2 Signal transmitting apparatus and method
05/25/2005EP1532789A1 Method and transmission device for the transmission of data in a multi-carrier system
05/25/2005EP1532786A1 Apparatus and methods for suppression of interference
05/25/2005EP1532738A1 Method and device for detecting period length fluctuations of periodic signals
05/25/2005EP1532622A2 Broadcast router having a serial digital audio data stream decoder
05/25/2005EP1510056A4 Segment-wise channel equalization based data estimation
05/25/2005EP1425885B1 Method and system for transmitting data from a first data network into a second data network
05/25/2005DE10349191A1 Information transmission with energy budget management involves adapting symbol duration, number of bits per symbol or symbol duration and number of bits per symbol to current transmission conditions
05/25/2005CN1620778A Device for recovering data from a received data signal
05/25/2005CN1620760A Multi-stage code generator and decoder for communication systems
05/25/2005CN1620052A OFDM reception apparatus
05/25/2005CN1620051A Method of evaluating wireless data channel signal noise ration through transmit high speed characteristic code
05/25/2005CN1620050A Blind transmission format detecting method suitable for broad band CDMA system
05/25/2005CN1619997A Method and apparatus for encoding short block length low density parity check (LDPC) codes
05/25/2005CN1619965A Differential output circuit
05/25/2005CN1619963A Infrared radiation receiving circuit, electronic device, and infrared radiation receiving method
05/25/2005CN1619960A Equalization method and apparatus using the same
05/25/2005CN1619644A Transmission apparatus with variable impedance matching
05/25/2005CN1203693C Adaptive equalization method and adaptive equalizer
05/25/2005CN1203646C Communication bus system, appts. and equipment used in such system
05/25/2005CN1203616C TURBO decoder with decision feedback equalization
05/24/2005US6898742 System and method for automatic deskew across a high speed, parallel interconnection
05/24/2005US6898253 Method and apparatus for an accurate slicer that can rapidly adjust to an offset
05/24/2005US6898252 IQ mismatch cancellation
05/24/2005US6898239 Method of detecting a sequence of information symbols, and a mobile station adapted to performing the method
05/24/2005US6898237 Method of, and receiver for, estimating the bit rate of data
05/24/2005US6898201 Apparatus and method for inter-node communication
05/24/2005US6898166 Synchronous signal generating method, recording apparatus, transmitting apparatus, recording medium, and transmission medium
05/24/2005US6897712 Apparatus and method for detecting loss of high-speed signal
05/24/2005US6897685 Differential data transmitter
05/24/2005US6897497 Methods, apparatus, and systems for reducing interference on nearby conductors
05/24/2005CA2405527C Method and apparatus for compressing and transmitting high speed data
05/24/2005CA2378873C Self blocking for a subscriber unit
05/24/2005CA2259608C Method and apparatus for compensating for a varying d.c. offset in a sampled signal
05/19/2005WO2005046156A2 Transparent multi-mode pam interface
05/19/2005WO2005046153A1 Modulating apparatus, mobile communication system, modulating method, and communication method
05/19/2005WO2005046151A1 Method of detecting signals using an iterative inter-symbol interference (isi) and multiple access interference (mai) removal
05/19/2005WO2005046150A1 Method for the higher order blind demodulation of a linear wave-shape emitter
05/19/2005WO2005046093A1 Method and apparatus for adapting an information carrying signal
05/19/2005WO2005046081A1 Method to determine precoding-weights based on channel state information in a mimo communication system
05/19/2005WO2005046075A1 A unified mmse equalization and multi-user detection approach for use in a cdma system
05/19/2005WO2005046074A1 Communication method, transmission signal forming method, and data structure of transmission signal
05/19/2005WO2005046063A2 A method and apparatus for domain transformation multiple signal processing
05/19/2005WO2005046061A1 Method and apparatus for random shuffled turbo multiuser detector
05/19/2005WO2005046056A2 Method and apparatus for generating a distortionless pulse width modulated waveform
05/19/2005WO2005045829A1 Filter coefficient adjusting circuit
05/19/2005WO2005031738A8 Itr data reproduction device, recording/reproduction system, and interpolation filter
05/19/2005WO2005024995A3 Communication system and method for channel estimation and beamforming using a multi-element array antenna
05/19/2005WO2005015746A3 Variable coder apparatus for resonant power conversion and method
05/19/2005WO2005011225A3 Continuous phase frequency shift keying system
05/19/2005WO2005006588A3 Methods and apparatus for backwards compatible communication in a multiple input multiple output communication system with lower order receivers
05/19/2005WO2004107768A3 Partially coherent constellations for multiple-antenna systems
05/19/2005WO2004098116A3 Adaptation structure and methods for analog continuous time equalizers
05/19/2005US20050107969 Delay profile estimation apparatus and a correlating unit
05/19/2005US20050107096 Method and apparatus for mobile radio velocity estimation
05/19/2005US20050107057 MIMO communication system
05/19/2005US20050107053 Reception of multicarrier spread-spectrum signals
05/19/2005US20050107050 Variable communication system
05/19/2005US20050107045 Coherent tracking for FM In-Band On-Channel receivers
05/19/2005US20050107039 Co-channel interference detector for cellular communications systems
05/19/2005US20050105919 Optical receiver and optical transmission system
05/19/2005US20050105808 Decoding a sequence of digital images
05/19/2005US20050105662 Data recovery method and module
05/19/2005US20050105658 Pipelined decision-feedback unit in a reduced-state viterbi detector with local feedback
05/19/2005US20050105657 Coherent track for FM IBOC receiver using a switch diversity antenna system
05/19/2005US20050105656 Power amplifier transient compensation in ofdm systems
05/19/2005US20050105654 Reception apparatus
05/19/2005US20050105652 Algorithm for multiple-symbol differential detection
05/19/2005US20050105651 Dual mode QAM/VSB receiver
05/19/2005US20050105649 Constitution of a receiver in an ultra-wideband wireless communications system
05/19/2005US20050105647 Channel estimation by adaptive interpolation
05/19/2005US20050105646 Methods and apparatus for pre-filtering a signal to increase signal-to-noise ratio and decorrelate noise
05/19/2005US20050105641 Data transceiver and method for transceiving data performing equalization and pre-emphasis adaptive to transmission characteristics of receiving part
05/19/2005US20050105635 Spectrum management apparatus, method, and system
05/19/2005US20050105630 Low complexity maximum likelihood detection of concatenate space codes for wireless applications
05/19/2005US20050105606 Ppm receiving system and method using time-interleaved integrators
05/19/2005US20050105597 Chip-to-symbol receiver despreader architechtures and methods for despreading spread spectrum signals
05/19/2005US20050105596 Receiver based method for de-spreading of spread spectrum signal
05/19/2005US20050105551 Asymmetric data path media access controller
05/19/2005US20050105550 Asymmetric data path media access controller
05/19/2005US20050105507 Power savings in serial link transmitters
05/19/2005US20050105461 Apparatus and method for receiving an OFDM signal
05/19/2005US20050105370 Apparatus and method for bidirectional transfer of data by a base station
05/19/2005US20050104649 Semiconductor device
05/19/2005US20050104633 Transmitter output stage for a two-wire bus
05/19/2005US20050104623 Method and apparatus for receiver detection on a PCI-Express bus
05/19/2005US20050104620 Semiconductor device
05/19/2005US20050104619 Method and apparatus for selectably providing single-ended and differential signaling with controllable impedance and transition time
05/19/2005DE29924714U1 Arrangement to estimate transmission channel characteristics of a transmission channel by transferring information collected at a remote terminal to the central office
05/18/2005EP1531592A2 OFDM receiver
05/18/2005EP1531590A1 Method and apparatus for channel equalisation with estimation of the channel impulse response length
05/18/2005EP1531572A2 Method for non-coherently estimating sequences of symbols impressed on a digitally modulated transmission carrier
05/18/2005EP1531568A1 Ofdm-cdma transmission device and ofdm-cdma transmission method
05/18/2005EP1531558A1 Transmitting apparatus, receiving apparatus, radio communication method, and radio communication system
05/18/2005EP1531556A1 Data reception device and data reception method
05/18/2005EP1530884A1 Method of increasing the data transmission rate in a mobile radio system
05/18/2005EP1530857A1 Demodulation of a cpfsk signal by a calculation of the passes through zero and a viterbi algorithm
05/18/2005EP1530856A1 Joint channel and noise variance estimation in a wideband ofdm system
05/18/2005EP1530821A2 Controlled frequency signals