Patents
Patents for H04L 5 - Arrangements affording multiple use of the transmission path (28,368)
06/2002
06/25/2002US6411648 Communication apparatus enabling communication according to ITU-T recommendation V.34
06/25/2002US6411647 Fully integrated ethernet transmitter architecture with interpolating filtering
06/25/2002US6411645 Modulation apparatus of multicarrier direct sequence spread spectrum communication system
06/20/2002WO2002049385A2 Multi-carrier communications with adaptive cluster configuration and switching
06/20/2002WO2002049306A2 Multi-carrier communications with group-based subcarrier allocation
06/20/2002WO2002049249A2 Optical data network with protection switching
06/20/2002WO2002049232A1 Arrangement, device and method for the transmission of data
06/20/2002WO2002049176A1 System and method for the data transmission of digital transmission data
06/20/2002WO2002011380A3 Multicarrier transmission and multiplexing, for short-distance networks
06/20/2002WO2001063828A3 Method for transmitting data in networks via data lines
06/20/2002US20020075949 Variable bandwidth discrete multi-tone (DMT) rate-adaptive asymmetric digital subscriber line (RADSL) transceiver
06/20/2002US20020075907 Methods and apparatus for generating a constant-envelope composite transmission signal
06/20/2002US20020075839 Sub-channels for the random access channel in time division duplex
06/20/2002DE10059135A1 Transceiver for sending and receiving voice and data signals has a voice signal driver to switch between a resting mode with high output impedance and a working mode with low output impedance and to drive an analog voice signal.
06/20/2002CA2756663A1 Ofdma with adaptive subcarrier-cluster configuration and selective loading
06/20/2002CA2431849A1 Multi-carrier communications with group-based subcarrier allocation
06/19/2002EP1215839A1 Method and Device for Multi-user Detection
06/19/2002EP0760182B1 Method of error protected transmission, method of error protected reception of data and transmission system for transmission of data
06/19/2002CN1354945A Signalling transmission using phase rotation techinques in digital communications system
06/19/2002CN1354609A Method for optimizing performance of transmitter of mobile radio system
06/19/2002CN1086533C Transmission circuit of line encoded signal on telephone line
06/18/2002US6408033 Method and apparatus for superframe bit allocation
06/18/2002US6408016 Adaptive weight update method and system for a discrete multitone spread spectrum communications system
06/18/2002US6407843 System and method for spectrally efficient transmission of digital data over optical fiber
06/13/2002WO2002019521A3 Receiver impedance calibration arrangements in full duplex communication systems
06/13/2002US20020073432 Flexible upstream phy burst profile parameters to improve performance of short bursts in impulse noise
06/13/2002US20020072386 Apparatus and method of loop and rate dependent power cutback
06/13/2002US20020072327 Signal distribution system, transmission device, reception device, signal distribution mehtod, transmission method, reception method, medium and information assembly
06/13/2002US20020071483 Reception of data in DSL modems
06/13/2002US20020071447 Line terminating equipment
06/13/2002DE10058775A1 Transmitter/receiver, especially repeater-amplifier or signal converter, has second signal processing unit with input connected to first unit's output, output connected to transmitter unit
06/13/2002DE10058766A1 Verfahren zur unidirektionalen Datenübertragung, insbesondere über die Stromzufuhr eines Fahrzeuges Method for unidirectional data transmission, in particular via the power supply of a vehicle
06/13/2002DE10049331C1 Broadband driver for subscriber interface circuit has 2 broadband driver circuits for driving signals in 2 different frequency ranges
06/12/2002EP1213887A1 Radio communication apparatus and radio communication method
06/12/2002EP1213871A1 Interference reduction in a radio communications system
06/12/2002EP1213864A1 Multicarrier cdma communication device
06/12/2002EP1213862A1 Optical data network with protection switching
06/12/2002EP1212842A1 Reduced computation in joint detection
06/12/2002EP1212627A1 Method and system for transporting generic data in a pstn
06/12/2002EP1118204B1 Performing digital subscriber line (dsl) modem communication over an ac link bus
06/12/2002CN1353898A Method system for enabling remote communication station to engage multiple communication stations
06/12/2002CN1353896A Method and device in multi-tone transmission system
06/12/2002CN1353540A Network TV set and transmission and receiving method for Internet television
06/12/2002CN1353517A Transmitting technique and method and receiving technique and mehtod of multichannel carrier communication system
06/11/2002US6404807 High speed dial-up service using PCM modem technology
06/11/2002US6404804 Circuits, systems, and methods for error elimination in a digital subscriber line modem
06/11/2002US6404778 Radio communication apparatus
06/11/2002US6404774 Method using low spectrum selectively for providing both ADSL and POTS service
06/11/2002US6404357 Digital/analogue communication system for increasing transfer efficiency of digital sample data
06/06/2002WO2002009300A9 Method and system for turbo encoding in adsl
06/06/2002US20020067763 Method of and apparatus for data transmission computer product
06/06/2002US20020067699 Communication method for connecting two communication parties to each other by means of a point-to-point connection
06/05/2002CN1352511A Gain equalizing method and device based on wide band multiple carrier base station
06/05/2002CN1352504A Apparatus and method for keeping frame synchronization in multiple carrier transmission system
06/05/2002CN1086075C Multiple frequency communication device and its using method
06/04/2002US6400770 High speed encoding and decoding methods for analog subscriber connections
06/04/2002US6400750 Base station system and data transmission method of multicarrier CDMA/FDM hybrid system and mobile communication system using same
06/04/2002US6400679 Communication resource allocation method and apparatus
06/04/2002US6400415 System and method for predistorting signals to be amplified
05/2002
05/30/2002WO2002043419A1 Method and device of gain equalization based on wideband multi-carrier base-station
05/30/2002WO2002043262A1 Improvements relating to duplex transmission in mobile radio systems
05/30/2002US20020064235 Method and device in a multi-tone transmission system
05/30/2002US20020064221 Apparatus for connecting digital subscriber lines to central office equipment
05/30/2002US20020064219 Zipper type VDSL system
05/30/2002US20020064168 Two-pass method and apparatus for achieving maximal data compression for a modem relay mode of operation in a voice frame network
05/30/2002US20020064137 Synchronization of V42bis de/compression for V34/V42 modem relay method and apparatus
05/30/2002US20020063584 Unpowered twisted pair loopback circuit for differential mode signaling
05/29/2002EP1209868A2 Method for simultaneous unidirectional transmission of data with two different transmission rates, in particular via the current lead of a train
05/29/2002EP1209841A2 Bidirectional optical communications, using on-off keying to generate a hybrid form of Manchester encoding
05/29/2002EP1209840A2 Bidirectional optical communications which allows data recovery without first establishing timing and phase lock
05/29/2002EP1208654A1 Apparatus and method for encoding and decoding tfci in a mobile communication system
05/29/2002EP1188229A4 Detector tolerant of frequency misalignment
05/29/2002CN1351453A Method and system for processing multi-carrier application in digital cellular communication system
05/28/2002US6396912 Method and system for connecting multiple DSL modems to a telephone line
05/28/2002US6396826 Orthogonal code division multiple access waveform format for use in satellite based cellular telecommunications
05/28/2002US6396803 Modulation methods and structures for wireless communication systems and transceivers
05/23/2002WO2002041547A1 Device and method for wireless broadcast on a number of carrier waves
05/23/2002WO2001091442A3 Multimode modem with automatic negotiation of operational mode
05/23/2002WO2001071937A3 Chirp slope multiple access
05/23/2002US20020061075 Method of optimizing the performance of a mobile radio system transmitter
05/23/2002US20020061072 Systems for data transmission
05/23/2002US20020061050 Method for initial power control for spread-spectrum communications
05/23/2002US20020061005 TSTD apparatus and method for a TDD CDMA mobile communication system
05/23/2002US20020060984 OFDM signal organized so as to simplify reception
05/23/2002DE10056532A1 Data manipulation protection method for bidirectional data communication between radio transceivers uses same carrier frequency for both transmission directions
05/22/2002EP1207666A2 Procedure for optimising the performance of a transmitter in a mobile radio communications system
05/22/2002EP1207665A2 Rate adaptation and parameter optimization for multiband transmission
05/22/2002EP1207649A2 Data communication using combinations of lines
05/22/2002EP1062811B1 Universal signal distribution system
05/22/2002EP1057335B1 Universal signal distribution system
05/22/2002EP1057271B1 Signal coding
05/22/2002EP0536334B1 System and method for generating signal waveforms in a cdma cellular telephone system
05/22/2002CN1350737A Apparatus and method for coupling analog subscriber lines in a home network
05/22/2002CN1350732A Transmit diversity method and system
05/21/2002US6393451 Flexibility enhancement to the modified fast convolution algorithm
05/21/2002US6393066 Efficient digital channelizer system and method of operation thereof
05/21/2002US6393065 Coding and decoding methods and devices and equipment using them
05/21/2002US6393064 Communication method, data transmission method and data communication system
05/21/2002US6393050 Transmit/receive switch for 10BASE-T home network
05/21/2002US6393002 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels