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)
11/2007
11/28/2007EP1859560A1 Pulse width modulation data transmission method and transmitter and receiver therefor
11/28/2007EP1859559A1 Adaptive pulse shape control
11/28/2007EP1859536A1 Method and system for eliminating spectral lines and shaping a power spectral density of an ultra wide bandwidth signal
11/28/2007EP1430675B1 Fast computation of mimo decision feedback equalizer coefficients
11/28/2007EP1295405A4 Ultra wide bandwidth spread-spectrum communications method and system
11/28/2007EP1279247B1 Wavelength-division multiplexing optical transmission system
11/28/2007CN101080061A Wireless communication apparatus and wireless communication system
11/28/2007CN101079863A Frequency domain balancer design method in orthogonal frequency division multiplexing system
11/28/2007CN101079856A Alternation and matching method of RF integrated circuit IQ signal
11/28/2007CN101079855A User equipment (UE) having a hybrid parallel/serial bus interface
11/28/2007CN101079854A Method and network device for eliminating signal bias between network signals
11/28/2007CN101079853A A bidirectional coupling circuit for network system
11/28/2007CN101079827A Email management method and system
11/28/2007CN101079467A Covered devices in a semiconductor package
11/28/2007CN100352242C Method and apparatus for buffering data samples in software based ADSL modem
11/28/2007CN100352194C Method and device for guaranteeing reliable receiving syncronous data by tuning sampling clock
11/28/2007CN100352181C Method and equipment for determining space character in order to calibrate communication station with antenna array
11/28/2007CN100352168C Data transfer control device and electronic instrument
11/27/2007US7302461 Analog delay elements
11/27/2007US7302240 Communication apparatus
11/27/2007US7302238 Transmit diversity system, method and computer program product
11/27/2007US7302233 Multiuser detection for wireless communications systems in the presence of interference
11/27/2007US7302231 MIMO communication system
11/27/2007US7302184 Data communication system
11/27/2007US7302025 Efficient joint equalization/decoding method and apparatus for Complementary-Code-Keying based systems
11/27/2007US7302023 Application of multipath combiner and equalizer in a multi-channel direct sequence spread spectrum communication system
11/27/2007US7302018 Iterative detection in MIMO systems
11/27/2007US7302009 Broadcast transmission with spatial spreading in a multi-antenna communication system
11/27/2007US7301998 Filter with signal taps temporally spaced at fractional symbol intervals
11/27/2007US7301995 Direct digital access arrangement circuitry and method for connecting to phone lines
11/27/2007US7301993 Channel estimation in a spread spectrum receiver
11/27/2007US7301991 Fading frequency decision device and method
11/27/2007US7301990 Equalization of multiple signals received for soft handoff in wireless communication systems
11/27/2007US7301969 OFDM transmitting apparatus, receiving apparatus and transmitting system and signal structure of transmission signal for use in the same
11/27/2007US7301417 Pulse width modulation method and apparatus
11/22/2007WO2007133411A2 Assignment of uplink reference signals
11/22/2007WO2007034366A3 Data communication circuit with equalization control
11/22/2007WO2006096714A8 Xfp transceiver with 8.5g cdr bypass
11/22/2007US20070271398 Configuring network settings for a power line networking device
11/22/2007US20070271050 Method and systems for optimizing high-speed signal transmission
11/22/2007US20070268979 Digital Broadcasting Transmission/Reception Devices Capable of Improving a Receiving Performance and Signal Processing Method thereof
11/22/2007US20070268973 Data communications system and method of data transmission
11/21/2007EP1858215A1 Dual carrier modulation (DCM) demapping method and demapper
11/21/2007EP1858186A1 Radio receiver apparatus and radio transmitter apparatus
11/21/2007EP1858178A1 Mobile wireless communication apparatus, and channel estimation value calculating method
11/21/2007EP1856873A1 Timing synchronization and channel estimation at a transition between local and wide area waveforms using a designated tdm pilot
11/21/2007EP1856870A1 Method for the flexible demodulation of estimated complex symbols
11/21/2007EP1856869A2 High-speed signaling systems with adaptable pre-emphasis and equalization
11/21/2007EP1856868A2 Symbol timing corrections in a multi carrier system by using the channel estimation
11/21/2007EP1856867A1 Transceiver with adjustable terminal network for a control device
11/21/2007EP1856803A1 Wave shaping output driver to adjust slew rate and/or pre-emphasis of an output signal
11/21/2007EP1856797A2 Wireless communications device performing block equalization based upon prior, current and/or future autocorrelation matrix estimates and related methods
11/21/2007EP1556987B1 Data processing apparatus that identifies a communication clock frequency
11/21/2007EP1552641B1 Optimum interpolator method and apparatus for digital timing adjustment
11/21/2007EP1488585B1 Precoding for a multipath channel in a mimo system
11/21/2007EP1330086B1 Ring network and data transmitter
11/21/2007CN101076985A Programmable signal processing circuit and modeming method
11/21/2007CN101076984A Reception of a signal transmitted over a transmission link comprising coded channels
11/21/2007CN101076945A DC balance 6B/8B transmitted code with local parity check
11/21/2007CN101076788A Bi-directional serial interface for communication control
11/21/2007CN101076182A Method and system for estimating channel
11/21/2007CN101076010A Signal converter circuit
11/21/2007CN101076007A Method for cancelling interference realized in frequency region and used in WCDMA straight-station system
11/21/2007CN101076001A Method for estimating channel based on orthogonal frequency division multiplexing system
11/21/2007CN101076000A Method for self-adaptable equalizing digital-TV channel
11/21/2007CN101075999A TOA training symbol construction of indoor OFDM system and method and device for estimating TOA
11/21/2007CN101075998A Method for estimating channel based on orthogonal frequency division multiplexing system
11/21/2007CN100350776C System, and method for extending range of a bidirectional data communication bus
11/21/2007CN100350744C Driver circuit and system including driver circuit
11/20/2007US7299026 Method and apparatus for interference cancellation performing level adjustment processing for standardizing a channel estimation value between operations of channel estimation processing and joint detection operation processing
11/20/2007US7298837 Cross-over voltage lock for differential output drivers
11/20/2007US7298808 Cascaded jitter frequency shifting Δ-Σ modulated signal synchronization mapper
11/20/2007US7298803 Methods and apparatuses for filtering common mode interference
11/20/2007US7298793 Method and apparatus for I/Q mismatch calibration of transmitter
11/20/2007US7298792 Randomly changing pulse polarity and phase in an UWB signal for power spectrum density shaping
11/20/2007US7298791 Multiple date rate filtered modulation system for digital data
11/20/2007US7298790 Low frequency self-calibration of a PLL with multiphase clocks
11/20/2007US7298788 Wireless communication system and method
11/20/2007US7298778 Sub-optimal iterative receiver method and system for a high-bit-rate CDMA transmission system
11/20/2007US7298172 Transmitter circuit, receiver circuit, interface circuit, and electronic instrument
11/15/2007WO2007130017A1 Bus loop power interface and method
11/15/2007WO2007129990A1 Method and system for determining a signal vector
11/15/2007WO2007128243A1 Base station of realizing self-adaptive group network, wireless access system and method of self-adaptive group network
11/15/2007WO2007103183A3 Method and apparatus for channel estimation in an orthogonal frequency division multiplexing system
11/15/2007WO2007072306A3 Receiver with chip-level equalisation
11/15/2007WO2006118644A3 Logic threshold acquisition circuits and methods using reversed peak detectors
11/15/2007US20070264949 Radio apparatus
11/15/2007US20070263749 Transmitter for outputting differential signals of different voltage levels
11/15/2007US20070263747 Wireless Transmitting Apparatus and Pre-Equalization Method Thereof
11/15/2007US20070263741 Efficient reduced complexity windowed optimal time domain equalizer for discrete multitone-based DSL modems
11/15/2007US20070263673 Methods and systems for DSP-based receivers
11/15/2007US20070263665 Systems for contention-based bandwidth requests in orthogonal frequency division multiplexing systems
11/15/2007DE102007017804A1 Kommunikationssystem Communication system
11/15/2007CA2650475A1 Bus loop power interface and method
11/14/2007EP1855432A1 Modulation circuit and electronic device
11/14/2007EP1855404A1 Receiver apparatus
11/14/2007EP1855394A1 Wireless communication apparatus
11/14/2007EP1854257A2 Bus system and method for operating the same
11/14/2007EP1854256A1 Selection of training sequences in a multilpe-in multiple-out communication system
11/14/2007EP1684466B1 Power saving and handling broadcast as unicast traffic in a WLAN
1 ... 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 ... 551