Patents for H04L 25 - Baseband systems (55,083)
04/2006
04/19/2006EP1264457A4 Baseband data slicing method and apparatus
04/19/2006EP1264415B1 Multi-user detection using an adaptive combination of joint detection and successive interference cancellation
04/19/2006CN1762122A Communication system, converter for use therein and method of signalling
04/19/2006CN1761248A Filtering method for channel estimation in CDMA timing tracking system
04/19/2006CN1252956C Synchronous demodulator for base station radio transmit-receive station in tentative standard 2000 system
04/19/2006CN1252938C Receiver, transmitter-receiver, and communication method
04/19/2006CN1252927C Semiconductor integrated circuit
04/19/2006CN1252917C Receiver impedance calibration arrangements in full duplex communication system
04/19/2006CN1252658C Control and monitoring signal transmission system
04/18/2006US7032189 Configurable amplifier array incorporating programmable EHF transmission lines
04/18/2006US7032150 Method and apparatus for measuring group delay of a device under test
04/18/2006US7031738 Apparatus for reallocating communication resources to establish a priority call in a fixed wireless access communication system
04/18/2006US7031462 Electronic inductor with transmit signal telephone line driver
04/18/2006US7031458 Method and apparatus for isolation in a data access arrangement using analog encoded pulse signaling
04/18/2006US7031457 Programmable peak detector for use with zero-overhead Class G line drivers
04/18/2006US7031420 System and method for adaptively deskewing parallel data signals relative to a clock
04/18/2006US7031416 Deterministic distortion insensitive adaptive receiver using decision updating
04/18/2006US7031414 Combined feedforward filter for a decision feedback equalizer
04/18/2006US7031411 Methods and apparatus for canceling co-channel interference in a receiving system using spatio-temporal whitening
04/18/2006US7031410 Method of noise cancellation in a signal generated by discrete multi-tone modulation and circuit for carrying out said method
04/18/2006US7031402 Interference signal removal system
04/18/2006US7031400 Method of selecting a PCM modem signal constellation in relation to channel impairments
04/18/2006US7031396 Transmission and reception method with multiple remote controllers
04/18/2006US7031379 Time domain equalizer for DMT modulation
04/18/2006US7031347 Data communication link
04/18/2006US7031344 Apparatus and method for SCDMA digital data transmission using orthogonal codes and a head end modem with no tracking loops
04/18/2006US7031250 Method and apparatus for channel estimation
04/18/2006US7030812 Wireless clock synchronization
04/18/2006US7030811 Methods and apparatus for identifying asset location in communication networks
04/18/2006US7030670 Precise slew rate control line driver
04/18/2006US7030665 Variable drive current driver circuit
04/18/2006US7030660 Line driver
04/18/2006US7030657 High speed signaling system with adaptive transmit pre-emphasis and reflection cancellation
04/18/2006US7030655 Memory interface system
04/18/2006US7030645 Method for setting a termination voltage and an input circuit
04/18/2006US7030644 Low reflection driver for a high speed simultaneous bidirectional data bus
04/18/2006US7030360 Photoreceptor
04/18/2006CA2425437C Demodulation apparatus and method in a communication system employing 8-ary psk modulation
04/13/2006WO2006039681A1 Apparatus and method for receiving packet data on a subset of carrier frequencies in a wireless communication system
04/13/2006WO2006039603A2 Adaptive delay base loss equalization
04/13/2006WO2006038660A1 Data communication system
04/13/2006WO2005057824A3 Direct-sequence cdma method and device
04/13/2006WO2005043852A9 Apparatus for determining a frequency offset error and receiver based thereon
04/13/2006US20060080472 Method and apparatus for simultaneous bidirectional signaling in a bus topology
04/13/2006US20060078067 Apparatus and method for direct quadrature power amplifier modulation
04/13/2006US20060078065 Digital pre-distortion technique using nonlinear filters
04/13/2006US20060078064 Method and radio communication device for the transmission-efficent editing of multimedia news
04/13/2006DE4339586B4 Übertragungssystem Transmission system
04/13/2006DE202005017855U1 Repeater for application software-interface network, has channels with direct signal path having maximum delay time of frames and parallel signal path with receiver, which allows verification of voltage pulses of each frame
04/13/2006DE19845123B4 Vorrichtung zum galvanisch getrennten Verbinden einer Telefonleitung mit einer Signalverarbeitungseinrichtung am Teilnehmerende der Telefonleitung Means for electrically connecting a separate phone line with a signal processing device at the subscriber end of the telephone line
04/13/2006DE102004048261A1 Optimized sampling phase determining method for communication system, involves determining aperture parameter based on function of sampling phase and optimized sampling data based on function of parameter
04/13/2006DE10146491B4 Elektronische Schaltung mit einer Treiberschaltung An electronic circuit comprising a driver circuit
04/13/2006DE10121757B4 Datenregenerator mit einstellbarer Entscheiderschwelle und einstellbarem Abtastzeitpunkt Data regenerator with adjustable decision threshold and adjustable sampling time
04/12/2006EP1646161A2 Diversity communication method and system with arrays of antennas using adaptive matched filters and decision feedback equalizers
04/12/2006EP1646149A1 Data transmission method, data transmission circuit, output circuit, input circuit, semiconductor device, and electronic device
04/12/2006EP1645125A1 Digital broadcast transmission system of improved receptability and signal processing method thereof
04/12/2006EP1645096A1 Methods and apparatus for backwards compatible communication in a multiple antenna communication system using fdm-based preamble structures
04/12/2006EP1645094A2 Digital predistortion system and method for correcting memory effects within an rf power amplifier
04/12/2006EP1645093A1 Channel estimation and sequence estimation for the reception of optical signal
04/12/2006EP1645092A1 Continuously variable rate asynchronous data transfer
04/12/2006EP1645061A1 Split-band optical transmission system and optical transmission method used therein
04/12/2006EP1645060A2 Method, apparatus and system for use in determining pilot-to-data power ratio in wireless communication
04/12/2006EP1492292A4 Methods and systems for digital data transmission
04/12/2006EP1378107A4 Loop extender with communications, control, and diagnostics
04/12/2006EP1330085B1 Initializing method and data transmitter
04/12/2006EP1256195A4 System and method for adjusting pcm data frames for robbed bit signaling in a telephone network
04/12/2006EP1080579B1 Scalable audio coder and decoder
04/12/2006EP0932963B1 Method and apparatus for determining the rate of received data in a variable rate communication system
04/12/2006CN1759581A GMSK modulation techniques
04/12/2006CN1759579A Signal level switching circuit
04/12/2006CN1759326A Multiple-input multiple-output communication system
04/12/2006CN1758746A Automatic clear, adding recording and searching acquiring method for digital TV EPG information
04/12/2006CN1758637A Baseband processor of radio base station system
04/12/2006CN1758636A Frame detection and synchronous device for radio communication network
04/12/2006CN1758625A Method for classification processing message
04/12/2006CN1758561A Method and device for suppressed leakage electromagnetic field communication
04/12/2006CN1251464C Information processing system
04/12/2006CN1251463C Voice transmitter
04/12/2006CN1251462C Receiver with variable threshold slicer and method of DC offset correction
04/12/2006CN1251461C System and method for demodulation of TURBO encoded signals via pilot assisted coherent demodulation
04/12/2006CN1251096C Semiconductor integrated device and electronic equipment
04/11/2006US7028232 Error estimation method and apparatus
04/11/2006US7027817 Method for transmitting an information of a mobile telecommunication system
04/11/2006US7027547 Method and apparatus for matching transmission rates across a single channel
04/11/2006US7027545 Data sampler for digital frequency/phase determination
04/11/2006US7027539 Pipeline architecture for multi-slot wireless link processing
04/11/2006US7027538 Method and system for joint decision feedback equalization and complementary code key decoding using a trellis
04/11/2006US7027533 Turbo-reception method and turbo-receiver
04/11/2006US7027528 Timing recovery using the pilot signal in high definition TV
04/11/2006US7027527 Excess delay spread detection method for multi-carrier communication systems
04/11/2006US7027523 Method and apparatus for transmitting data in a time division duplexed (TDD) communication system
04/11/2006US7027522 Systems for data transmission
04/11/2006US7027519 Iterative maximum likelihood channel estimation and signal detection for OFDM systems
04/11/2006US7027504 Fast computation of decision feedback equalizer coefficients
04/11/2006US7027503 Receiver with a decision feedback equalizer and a linear equalizer
04/11/2006US7027499 Detection and correction circuit for blind equalization convergence errors
04/11/2006US7027497 Adaptive equalization method and adaptive equalizer
04/11/2006US7027496 Method and apparatus providing unbiased signal-to-noise ratio estimation and its application to discontinuous transmission detection
04/11/2006US7027493 System and method for medium wide band communications by impluse radio
04/11/2006US7027357 Acoustic communication device and acoustic signal communication method