Patents for H04L 25 - Baseband systems (55,083)
10/2002
10/10/2002US20020146080 Pulse transmission transceiver architecture for low power communications
10/10/2002US20020146078 Multicarrier transmission system with reduced complexity channel response estimation
10/10/2002US20020146069 Method, article of manufacture and system to determine a bit rate of a signal
10/10/2002US20020146068 Data transceiving method and data transceiving equipment
10/10/2002US20020146066 Correlation shaping matched filter receiver
10/10/2002US20020146063 Multicarrier transmission system with reduced complexity leakage matrix multiplication
10/10/2002US20020146062 Multi-user detection using a finite-impulse-response matrix filter
10/10/2002US20020146043 Network transceiver for steering network data to selected paths based on determined link speeds
10/10/2002US20020145971 Apparatus and method for synchronizing frequency in orthogonal frequency division multiplexing communication system
10/10/2002US20020145485 Balanced transmission termination device and receiver unit composed thereof
10/10/2002US20020145448 Method and apparatus for the transmission of differential signals
10/10/2002US20020145158 Data receiver gain enhancement
10/10/2002DE10116286A1 Operating system with nodes and base station in accordance with TDMA involves setting d.c. component or phase rotation for preceding block for given time slice at start of time slice
10/10/2002CA2818517A1 Enhanced wireless packet data communication system, method, and apparatus applicable to both wide area networks and local area networks
10/10/2002CA2704041A1 Enhanced wireless packet data communication system, method, and apparatus applicable to both wide area networks and local area networks
10/10/2002CA2704039A1 Enhanced wireless packet data communication system, method, and apparatus applicable to both wide area networks and local area networks
10/10/2002CA2704035A1 Enhanced wireless packet data communication system, method, and apparatus applicable to both wide area networks and local area networks
10/10/2002CA2704030A1 Enhanced wireless packet data communication system, method, and apparatus applicable to both wide area networks and local area networks
10/10/2002CA2442821A1 Enhanced wireless packet data communication system, method, and apparatus apllicable to both wide area networks and local area networks
10/09/2002EP1248427A1 Receiver
10/09/2002EP1248425A1 Calculation of DFE coefficients from CIR
10/09/2002EP1248383A1 Method and apparatus for identification of an access network by means of 1-port measurements
10/09/2002EP1248378A1 Transmitter and radio communication terminal using the same
10/09/2002EP1247380A1 Digital transmission system having disparity dependent channel code words
10/09/2002EP1247146A1 Coding method for coding control commands for actuators and actuator control unit for controlling actuators
10/09/2002EP1247110A1 Single ended measurement method and system for determining subscriber loop make up
10/09/2002EP0966818A4 Improvements in ultrafast time hopping cdma-rf
10/09/2002EP0836770B1 Automatic power control system for a code division multiple access (cdma) communications system
10/09/2002CN1373622A Base band processor integrating more modulation functions and method for implementing different modulations
10/09/2002CN1373561A 快速接收方法及快速接收机 Quick and fast receiver receiving method
10/09/2002CN1092457C Transcoder unit
10/09/2002CN1092441C Method and device of synchronizing digital signal receiver accurately
10/08/2002US6463113 External signal attenuator for a single-ended transmission line
10/08/2002US6463109 Multiple channel adaptive data recovery system
10/08/2002US6463108 Latch-up recovery in quantized feedback DC restorer circuits
10/08/2002US6463104 Method of increasing coding levels
10/08/2002US6463099 Blind channel equalizers and methods of blind channel equalization
10/08/2002US6463098 Data transfer circuit transferring 2-bit data through 4 data lines
10/08/2002US6463092 System and method for sending and receiving data signals over a clock signal line
10/08/2002US6463047 Apparatus and methods for performing collision resolution for digital control channels
10/08/2002US6463031 Rate determination technique that utilizes modified cumulative metrics to orthogonalize the rates
10/08/2002US6462860 Method and apparatus of detection of pulse position modulated optical signals
10/08/2002US6462852 Selectable low-voltage differential signal/current mode logic (LVDS/CML) receiver with the option of AC or DC coupling
10/08/2002US6462591 Semiconductor memory device having a controlled output driver characteristic
10/08/2002US6462589 Bus capture circuit for single-ended and differential signals
10/08/2002US6462588 Asymmetry control for an output driver
10/08/2002US6462582 Clocked pass transistor and complementary pass transistor logic circuits
10/03/2002WO2002078279A1 Multiplexer
10/03/2002WO2002078244A1 Receiver transparent q-mode
10/03/2002WO2002078232A1 Data communication apparatus and method based on orthogonal frequency division multiple access
10/03/2002WO2002078228A2 Receiver with recovery circuit using oversampling and majority decision
10/03/2002WO2002078227A2 Communication of latencies in parallel networks
10/03/2002WO2002078221A1 Propagation path variation estimating device and propagation path variation estimating method
10/03/2002WO2002078206A2 Bi-directional communication system with echo cancellation
10/03/2002WO2002078171A1 A method and system for effective channel estimation in a telecommunication system
10/03/2002WO2002060139A3 Method and apparatus for estimating channel characteristics usingpilot and non-pilot data
10/03/2002WO2001024415A9 Method and apparatus for offset cancellation in a wireless receiver
10/03/2002US20020144188 Active failsafe detection for differential receiver circuits
10/03/2002US20020144159 HomePNA device with the function of transmitting power over a network wire
10/03/2002US20020141521 Receiver for a mobile radio terminal
10/03/2002US20020141518 Method for reducing effects of interference, and receiver
10/03/2002US20020141516 System and method for transmission format detection
10/03/2002US20020141515 Frame pattern detection in an optical receiver
10/03/2002US20020141506 Signal processor used for symbol recovery and methods therein
10/03/2002US20020141495 Efficient FIR filter for high-speed communication
10/03/2002US20020141493 Distinguishing between final coding of received signals in a PCM modem
10/03/2002US20020141486 Apparatus and methods for intersymbol interference compensation in spread spectrum communications
10/03/2002US20020141483 Method for estimating channel impulse responses of a mobile radio channel
10/03/2002US20020141478 Apparatus for initial power control for spread-spectrum communications
10/03/2002US20020141437 Method for interference suppression for TDMA -and/or FDMA transmission
10/03/2002US20020141355 Wireless access system and associated method using multiple modulation formats in TDD frames according to subscriber service type
10/03/2002US20020141347 System and method of reducing ingress noise
10/03/2002US20020140592 High performance bus interface
10/03/2002US20020140461 Low voltage differential signaling output buffer
10/03/2002US20020140439 Reset circuit
10/03/2002CA2439804A1 Receiver transparent q-mode
10/02/2002EP1246422A1 Equaliser for multicarrier system
10/02/2002EP1246420A2 Failsafe detection system and method for differential receivers
10/02/2002EP1246419A1 Method and apparatus for calculating bit log-likelihood ratios for qam signals
10/02/2002EP1246418A2 Hybrid equaliser with feedback and sequence estimation
10/02/2002EP1245101A1 Method and apparatus for buffering data samples in a software based adsl modem
10/02/2002EP1245100A1 Channel estimation for time division duplex communication systems
10/02/2002EP1245092A1 Method and apparatus for selecting an equalization algorithm depending on the used coding algorithm or on the channel quality
10/02/2002EP1245088A1 Data transceiver with filtering and precoding
10/02/2002EP1245084A1 Method and apparatus for rf common-mode noise rejection in a dsl receiver
10/02/2002DE10115583A1 Channel characteristics estimation method for mobile radio communications system uses combining of channel characteristics estimation values for several transmission channels
10/02/2002DE10114159A1 Verfahren und Vorrichtung zur Datenübertragung Method and apparatus for data transmission
10/02/2002CN1372743A Method and apparatus for performing DC-offset compensation in a radio receiver
10/02/2002CN1372426A Receiver for mobile radio terminal
10/02/2002CN1372390A Telecommunication system, method and signal for time slot coding data transmission
10/02/2002CN1372263A Signal process circuit and method thereof
10/02/2002CN1092013C Data sampling circuit and portable radio terminal device
10/02/2002CN1091986C Multichannel high-speed data transfer
10/01/2002US6459746 Multi-pair gigabit ethernet transceiver
10/01/2002US6459742 Digital modulation process and modulator implementing the process
10/01/2002US6459740 Maximum ratio transmission
10/01/2002US6459739 Method and apparatus for RF common-mode noise rejection in a DSL receiver
10/01/2002US6459730 Apparatus for, and method of, processing signals transmitted over a local area network
10/01/2002US6459729 Method and apparatus for improved channel equalization and level learning in a data communication system
10/01/2002US6459728 Iterative channel estimation