Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 5 - Arrangements affording multiple use of the transmission path
Patents for H04L 5 - Arrangements affording multiple use of the transmission path (28,368)
11/2003
11/06/2003US20030206580 Activation of multiple xDSL modems with implicit channel probe
11/05/2003EP1359700A1 MC-CDMA receiver with an equalisation per subcarrier
11/05/2003EP1359678A1 Code allocation method in an MC-CDMA telecommunication system
11/05/2003EP1358737A2 Loop extender with selectable line termination and equalization
11/05/2003EP1358726A1 A system and method for data transmission in dmt-based dsl modems
11/05/2003EP1358718A2 Low complexity data detection using fast fourier transform of channel correlation matrix
11/05/2003CN1454421A Data transmission using pulse width modulation
11/05/2003CN1127237C Two-bus remote power supply and its communication system
11/05/2003CN1127236C Bidirectional communication system having symmetrical transmission rates
11/04/2003US6643281 Synchronization preamble method for OFDM waveforms in a communications system
11/04/2003CA2126099C Embedded signalling
10/2003
10/30/2003WO2003090451A2 Hdtv trellis decoder architecture
10/30/2003WO2002087104A3 Method for multiple access and transmission in a point-to-multipoint system over an electrical network
10/30/2003US20030203721 Adaptive air interface waveform
10/30/2003US20030202611 Method and apparatus for reducing peak to average power ratio of a multi-carrier signal
10/30/2003US20030202570 XDSL multi-hybrid modem with power spectral density shaping
10/30/2003US20030202537 Method and apparatus for data transfer using a time division multiple frequency scheme supplemented with polarity modulation
10/30/2003US20030201918 Method and apparatus for adaptive bus coding for low power deep sub-micron designs
10/30/2003US20030201802 Driver and amplifier circuitry
10/29/2003EP1357715A2 Bus driver for bidirectional two-wire bus systems
10/29/2003CN1452817A Method and apparatus employing wireless in-band signaling for downlink transmission of commands
10/29/2003CN1452812A Method and apparatus for start-up procedure for digital and analog modems utilizing PCM
10/29/2003CN1126337C Method of and apparatus for communicating messages
10/29/2003CN1126319C Frame synchornization method and apparatus for use in digital communication system utilizing DFDM method
10/29/2003CN1126316C Full duplex asynchronous communication in single communication system
10/29/2003CN1126301C Method and apparatus for generating plural quadrature modulated carriers
10/28/2003US6639919 Bit-level control for dynamic bandwidth allocation
10/28/2003CA2310812C Apparatus and method of searching for pn sequence phase in multi-carrier cdma mobile communication system
10/28/2003CA2242123C Communication method, data transmission method and data communication system
10/28/2003CA2095257C Data signal multiplexing method and device
10/23/2003WO2003088537A1 Multi-carrier communication device and multi-carrier communication method
10/23/2003US20030198247 Advanced ethernet auto negotiation
10/23/2003US20030198217 Spectrally compatible mask for enhanced upstream data rates in DSL systems
10/23/2003US20030198204 Resource allocation in a communication system supporting application flows having quality of service requirements
10/23/2003US20030198179 Ranging method for mobile communication system based on orthogonal frequency division multiple access scheme
10/23/2003US20030197528 Bidirectional signal transmission circuit and bus system
10/22/2003EP1354319A1 Device and process for time stamping, receiver, system for delayed broadcasting and string of corresponding packets
10/22/2003CN1451212A Method and apparatus for encrypting transmissions in a communication system
10/22/2003CN1451203A Receiver impedance calibration arrangements in full duplex communication system
10/22/2003CN1125555C Method and device using virtual bidirectional information in wireless communication system
10/22/2003CN1125542C Hybrid and all digital FM in-band-on-channel digital audio broadcasting method and system
10/22/2003CN1125536C Automatic impedance matching circuit and method
10/21/2003US6636555 Amplitude limitation
10/21/2003US6636525 Destination dependent coding for discrete multi-tone modulation
10/21/2003US6636072 Bidirectional interface
10/16/2003WO2003085994A1 Two-way communications between vehicles
10/16/2003WO2003085867A1 Radio communication system
10/16/2003WO2003063060A3 Asymmetric digital subscriber line modem apparatus and methods therefor
10/16/2003US20030195007 CDMA/TDD mobile communication system and method
10/16/2003US20030194016 System and method for high speed digital signaling
10/16/2003US20030193929 Activation of multiple xDSL modems with implicit channel probe
10/16/2003US20030193925 Methods and apparatus for wireless communication using orthogonal frequency division multiplexing
10/15/2003EP1353463A1 Method for channel allocation in a TDD system by using Voice Activity Detection
10/15/2003EP1352490A2 Fast initialization using seamless rate adaptation
10/15/2003EP1352489A2 Hybrid spread-spectrum technique for expanding channel capacity
10/15/2003CN1124756C Gain equalizing method and device based on wide band multiple carrier base station
10/15/2003CN1124716C Method for transmission of reference signals in OFDM system
10/14/2003US6633945 Fully connected cache coherent multiprocessing systems
10/14/2003US6633614 Multicarrier personal access communication system
10/14/2003US6633604 Method of improving echo canceller training in modems and of discovering characteristics of a PCM channel
10/14/2003US6633578 Transmission interface unit in transmission system
10/14/2003US6633545 System and method for determining the data rate capacity of digital subscriber lines
10/09/2003WO2003084117A1 Dmt system for reducing far end crosstalk
10/09/2003WO2003084104A1 Calibration of a multichannel receiver
10/09/2003US20030191809 I2C repeater with voltage translation
10/09/2003US20030190000 Digital communication device
10/09/2003US20030189987 Bus for supporting plural signal line configurations and switch method thereof
10/09/2003US20030189977 DSL auto baud
10/09/2003US20030189974 Wireless full-duplex transmission system
10/09/2003US20030189952 Synchronizing initial handshake in ADSL annex C to TTR
10/09/2003US20030189917 Base station apparatus and radio communication method
10/09/2003US20030189894 Frequency division multiplexing system with selectable rate
10/08/2003EP1351408A1 Digital point-to-multipoint data transmission system on an electric network
10/08/2003EP1350382A2 Power cutback configuration of digital subscriber line transceivers using public switched telephone network signaling
10/08/2003EP1350310A2 Reduced soft output information packet selection
10/08/2003CN1448015A Multiplexing real time services and non-real time services for OFDM systems
10/07/2003US6631168 Generating matrices to be used for the random orthogonal transformation of blocks of data in a transmission chain
10/02/2003WO2003081864A2 Method and apparatus for reducing transmitter peak power requirements using dual matrices
10/02/2003WO2003081863A2 Apparatus for improving transmitter redundancy, and method
10/02/2003WO2003081830A2 Xdsl multi-hybrid modem with power spectral density shaping
10/02/2003WO2003081823A1 Cdma system with frequency domain equalization
10/02/2003WO2003081821A1 Multi-carrier transmission apparatus and multi-carrier transmission method
10/02/2003WO2003081800A1 Combination of a frequency hopping method and ofdm
10/02/2003US20030188008 Method for transmitting data in networds over data lines
10/02/2003US20030186675 Method and apparatus for facilitating two-way communications between vehicles
10/02/2003US20030185312 Clock recovery from a composite clock signal
10/02/2003US20030185288 Apparatus and methods for digital-to-analog conversion
10/02/2003US20030185179 Radio communication apparatus and radio communication method
10/02/2003US20030185167 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
10/01/2003EP1349284A2 Apparatus and methods for digital-to-analog conversion
09/2003
09/30/2003US6628721 Simplified differential signaling
09/30/2003US6628673 Scalable communication system using overlaid signals and multi-carrier frequency communication
09/25/2003WO2003050991A3 System and method for improving data transmission
09/25/2003US20030182619 Frequency and timing recovery
09/25/2003US20030179833 Method and apparatus for reducing transmitter peak power requirements using dual matrices
09/25/2003US20030179832 Method and apparatus for reducing transmitter peak power requirements
09/25/2003US20030179766 Method and apparatus for cross-talk cancellation in frequency division multiplexed transmission systems
09/25/2003US20030179012 Bi-directional amplifier and method for accelerated bus line communication
09/24/2003EP1347588A1 Radio communication apparatus and radio communication method
09/23/2003US6625777 Method of identifying an improved configuration for a communication system using coding gain and an apparatus therefor
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