Patents for H04L 25 - Baseband systems (55,083)
07/2002
07/03/2002EP1219097A1 Improved method for determining subscriber loop make-up
07/03/2002EP1219085A2 Subdimensional single-carrier modulation
07/03/2002EP1219084A1 Blind rate detection in a multiplexed transmission system
07/03/2002EP1219022A1 Apparatus and method for substantially eliminating a near-channel interfering amplitude modulated signal
07/03/2002EP0791249B1 Transmitter and receiver apparatus, method for transmitting and method for receiving and record carrier obtained by the method or the transmitter apparatus
07/03/2002EP0763279B1 High speed transport system
07/03/2002CN1356832A Channel equalizing method in base band processing for mobile communication system
07/02/2002US6415133 Acquisition and tracking in communication system with multicarrier telephony transport
07/02/2002US6415008 Digital signal multiplier
07/02/2002US6415004 Phase detector, timing recovery device using the same, and a demodulator using the timing recovery device
07/02/2002US6415003 Digital baseline wander correction circuit
07/02/2002US6414990 Timing recovery for a high speed digital data communication system based on adaptive equalizer impulse response characteristics
07/02/2002US6414989 Upstream PCM transmission for a modem system
07/02/2002US6414988 Amplitude and phase estimation method in a wireless communication system
07/02/2002US6414957 Parallel processor for use in distributed sample scrambler
07/02/2002US6414540 Input filter stage for a data stream, and method for filtering a data stream
07/02/2002US6414517 Input buffer circuits with input signal boost capability and methods of operation thereof
07/02/2002US6414512 On-chip termination circuit
06/2002
06/27/2002WO2002051087A2 Methods and systems for extracting a joint probability from a map decision device and processing a signal using the joint probability information
06/27/2002WO2002051085A1 Digital transmission system having disparity dependent channel code words
06/27/2002WO2002051084A1 Method for adaptive adjustment of a coefficient of an equaliser
06/27/2002WO2002051083A1 Quadrature modulator with pulse-shaping
06/27/2002WO2002051081A2 Encoding system for transmitting data and clock signals jointly across two wires
06/27/2002WO2002051041A2 Improvements in, or relating to, optical communications
06/27/2002WO2002051016A2 Bidirectional signal repeater
06/27/2002WO2001069872A3 Architecture for high-speed decision feedback sequence estimation
06/27/2002US20020083396 Method and apparatus for pipelined joint equalization and decoding for gigabit communications
06/27/2002US20020083109 Bypassable adder
06/27/2002US20020080898 Methods and systems for DSP-based receivers
06/27/2002US20020080896 Fast, blind equalization techniques using reliable symbols
06/27/2002US20020080889 Pulse transmission transceiver architecture for low power communications
06/27/2002US20020080888 Message splitting and spatially diversified message routing for increasing transmission assurance and data security over distributed networks
06/27/2002US20020080887 In-band adjacent-channel digital audio broadcasting system
06/27/2002US20020080865 Bidirectional signal repeater
06/27/2002US20020080746 Simple block space time transmit diversity using multiple spreading codes
06/27/2002US20020080742 System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system
06/27/2002US20020080725 Blind rate determination
06/27/2002US20020080468 Optical amplitude demodulator
06/27/2002US20020080456 Input interruption detecting circuit of optical receiver
06/27/2002DE10060569A1 Verfahren zur kohärenten Demodulation von Funksignalen Method for coherent demodulation of radio signals
06/27/2002CA2432007A1 Improvements in, or relating to, optical communications
06/26/2002EP1217798A2 Adaptive equalization method and adaptive equalizer
06/26/2002EP1217528A1 Circuit arrangement for error detection on a two wires data bus
06/26/2002CN1355978A Method for symbol-spaced estimation and/or tracking of factionally-spaced fading radio channel
06/26/2002CN1355959A Method and apparatus for interference rejection
06/26/2002CN1355660A Multi-carrier broadband wireless base station with AGC and its control method
06/26/2002CN1355657A Method based on joint transmission and predistortion technique for processing signals to be transmitted
06/26/2002CN1355637A Phase-shift overlap codes and decode method thereof
06/26/2002CN1086877C Multi-point to point communication system
06/26/2002CN1086861C DC offset compensation method and apparatus
06/25/2002US6412072 Parasitically powered microprocessor capable of transmitting data over a single data line and ground
06/25/2002US6411659 Timing recovery using the pilot signal in high definition TV
06/25/2002US6411657 DSL transmitter with digital filtering using a Tomlinson-Harashima precoder
06/25/2002US6411649 Adaptive channel tracking using pilot sequences
06/25/2002US6411647 Fully integrated ethernet transmitter architecture with interpolating filtering
06/25/2002US6411146 Power-off protection circuit for an LVDS driver
06/25/2002US6411136 Differential line driver
06/25/2002US6411131 Method for differentiating a differential voltage signal using current based differentiation
06/25/2002US6411122 Apparatus and method for dynamic on-die termination in an open-drain bus architecture system
06/25/2002US6411117 Dynamic register with IDDQ testing capability
06/25/2002US6410998 Circuit arrangement with a reduction circuit for reducing interfering longitudinal voltages on a two-wire line
06/20/2002WO2002049304A1 Method for estimating the channel properties in a communication system
06/20/2002WO2002049303A1 Receiver
06/20/2002WO2002049302A1 Bus interface and method for coupling a bus device to a bus
06/20/2002WO2002049301A1 A channel estimating method
06/20/2002WO2002049299A2 A line coding scheme for digital communications, transmission method and apparatus
06/20/2002WO2002049236A2 Modified block space time transmit diversity encoder
06/20/2002WO2002049218A1 Encoder and decoder
06/20/2002WO2002019516A8 Method and apparatus for efficient decimation based correlation technique for identifying a looked for word
06/20/2002WO2002007399A3 Method and apparatus for equalizer updating and sampling rate control
06/20/2002US20020075976 Precision timing generator system and method
06/20/2002US20020075972 Apparatus, system and method for one-of-many positions modulation in an impulse radio communications system
06/20/2002US20020075969 Apparatus and method for bit disparity detection
06/20/2002US20020075968 Method and apparatus for generating multi-level reference voltage in systems using equalization or crosstalk cancellation
06/20/2002US20020075963 Digital data transmission system with device for correcting baseline wander
06/20/2002US20020075892 DC-offset correction circuit having a DC control loop and a DC blocking circuit
06/20/2002US20020075840 Envelope stabilization method and apparatus
06/20/2002US20020075832 Simple block space time transmit diversity using multiple spreading codes
06/20/2002US20020075051 Power-off protection circuit for an lvds driver
06/20/2002US20020075037 Digital interface with low power consumption
06/20/2002DE10158779A1 Digital gesteuerte Leitungsausgleichschaltung Digitally controlled line balancing circuit
06/20/2002CA2430963A1 A line coding scheme for digital communications, transmission method and apparatus
06/19/2002EP1215861A2 Switchable, resistive termination circuit
06/19/2002EP1215839A1 Method and Device for Multi-user Detection
06/19/2002EP1214820A1 Pcm modem with precoding and pre-equalisation
06/19/2002CN1354944A Method and apparatus for using frame energy metrics to improve rate determination
06/19/2002CN1354943A Rate detection apparatus and method for variable rate speed encoding
06/19/2002CN1354610A Feedback techinque of wireless system with several transmitting and receiving antennas
06/19/2002CN1354580A Signal transmission device suitable for fast signal transmission, circuit block and integrated circuit
06/19/2002CN1086533C Transmission circuit of line encoded signal on telephone line
06/19/2002CN1086523C 数据接收系统 Data receiving system
06/18/2002US6408419 Trellis code for extended partial response maximum likelihood (EPRML) channel
06/18/2002US6408195 Semiconductor integrated circuit for communication and battery saving method for the same
06/18/2002US6408036 Detection circuits
06/18/2002US6408034 Framed delta sigma data with unlikely delta sigma data patterns
06/18/2002US6408032 Transmit baseline wander correction technique
06/18/2002US6408023 Method and apparatus for performing equalization in a radio receiver
06/18/2002US6408022 Equalizer for use in multi-carrier modulation systems
06/18/2002US6408021 PCM modem adaptation system utilizing a silence period
06/18/2002US6407691 Providing power, clock, and control signals as a single combined signal across an isolation barrier in an ADC