Patents for H04B 3 - Line transmission systems (31,523) |
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07/12/2001 | CA2381314A1 Approach for processing data received from a communications channel in finite precision arithmetic applications |
07/11/2001 | EP1115236A2 Equalization for multichannel receiving node |
07/11/2001 | EP1115233A1 Reduced state channel equalising method using symbol-by-symbol decisions |
07/11/2001 | EP1115215A2 Method and system for data communication |
07/11/2001 | EP1114525A2 Arrangement and method for forming an overall signal, device and method for forming a current signal and a first communication signal, communication system and method for transmitting a first overall signal and a second overall signal |
07/11/2001 | EP1114519A1 Interference detection and avoidance technique |
07/11/2001 | EP0698317B1 A method and echo canceller for echo cancellation with a number of cascade-connected adaptive filters |
07/11/2001 | CN1303180A Method of reducing echo and/or noise |
07/11/2001 | CN1068488C Data receiving method for receiving data through predetermined clear zones of powerline |
07/10/2001 | US6259900 Radio frequency signal folding-back transmitting/receiving circuit and radio transmitting/receiving apparatus for use therewith |
07/10/2001 | US6259750 Digital phase reversal detector |
07/10/2001 | US6259745 Integrated Gigabit Ethernet transmitter architecture |
07/10/2001 | US6259729 Method of and an apparatus for training tap coefficients of an adaptive equalizer |
07/10/2001 | US6259680 Method and apparatus for echo cancellation |
07/10/2001 | US6259319 Adaptive gain and/or phase adjustment control system and method |
07/10/2001 | US6259302 Gain control signal generator that tracks operating variations due to variations in manufacturing processes and operating conditions by tracking variations in DC biasing |
07/10/2001 | US6259298 Method and an arrangement for adapting from a DC point of view a first circuit to at least one second circuit |
07/10/2001 | US6259258 Method and test unit for far end crosstalk measurements |
07/05/2001 | WO2001048971A1 Digital modem echo canceler enhancement |
07/05/2001 | WO2001048939A2 Data allocation with imperfect time-domain equalisation |
07/05/2001 | WO2001048516A2 Emi reduction for isolated bus systems |
07/05/2001 | WO2001001665A3 Host-based speaker phone |
07/05/2001 | WO2000076176A3 Loudspeaker volume range control |
07/05/2001 | US20010006511 Process for coordinated echo- and/or noise reduction |
07/05/2001 | US20010006510 DSL transmission system with far-end crosstalk cancellation |
07/04/2001 | EP1113588A2 Echo canceling apparatus |
07/04/2001 | CN2438277Y Building intercom receiving device capable of automatically filtering-off HF and LF interference |
07/04/2001 | CN1302493A 通信装置以及通信方法 A communication apparatus and communication method |
07/04/2001 | CN1302484A Double-talk detector, echo canceller using double-talk detection device and echo suppressor using double-talk detector |
07/04/2001 | CN1302378A Method for transmitting and storing value and valve store electric power meter using the same |
07/03/2001 | US6256384 Method and apparatus for cancelling echo originating from a mobile terminal |
07/03/2001 | US6256383 IIR filter of adaptive balance circuit for long tail echo cancellation |
07/03/2001 | US6256342 Method and regenerative filter for equalizing digitally transmitted signals |
07/03/2001 | US6255967 Frame-based spectral shaping method and apparatus |
07/03/2001 | US6255935 Coupling capacitor having an integrated connecting cable |
07/03/2001 | US6255828 Interface for cable testing |
07/03/2001 | CA2277658C Impedance compensation for a cable and connector |
07/03/2001 | CA2179979C Method and apparatus for multiuser-interference reduction |
07/03/2001 | CA2063800C Audio signal processor circuit |
07/03/2001 | CA2008549C Information separation device |
06/28/2001 | WO2001047184A2 System and method for providing compatibility between different transceivers in a multi-pair communication system |
06/28/2001 | WO2001047170A2 Method and apparatus for characterization of disturbers in communication systems |
06/28/2001 | WO2001047143A1 Impulse response inferrer and propagation path inferring method |
06/28/2001 | WO2001047138A2 Device for use in communication systems |
06/28/2001 | WO2001047129A2 Method and system for controlling and exchanging data for multimedial appliances and an appliance suitable therefor |
06/28/2001 | WO2001046953A1 Variable equalizer control system |
06/28/2001 | US20010005402 Distortion compensating apparatus |
06/28/2001 | US20010005395 DMT bit allocation with imperfect TEQ |
06/28/2001 | DE19961644A1 Method to control or exchange data for multimedia devices, especially entertainment devices; involves using bus, over which activated devices transmit information inside predetermined time |
06/28/2001 | DE19953347A1 Echokompensationsvorrichtung Echo compensation device |
06/27/2001 | EP1111833A2 Transmission quality monitoring system with less delay |
06/27/2001 | EP1111808A1 Method and apparatus for determining properties of a transmission channel |
06/27/2001 | EP1111807A2 Line card apparatus and method for echo cancellation |
06/27/2001 | EP1111806A2 Echo canceler and operating method |
06/27/2001 | EP1110358A1 Digital equalising method, and radio communication receiver implementing said method |
06/27/2001 | EP1110344A1 Combined channel coding and space-block coding in a multi-antenna arrangement |
06/27/2001 | EP1110332A1 Scaled impedance replica for echo attenuation in digital transmission systems |
06/27/2001 | CN1301419A Contact pair arrangement for an electric plug-and-socket connection in order to compensate near-end crosstalk |
06/26/2001 | US6253345 System and method for trellis decoding in a multi-pair transceiver system |
06/26/2001 | US6252918 Method and apparatus for digital symbol detection using medium response estimates |
06/26/2001 | US6252904 High-speed decoder for a multi-pair gigabit transceiver |
06/26/2001 | US6252903 Blind start-up of a dual mode CAP-QAM receiver |
06/26/2001 | US6252755 Apparatus and method for implementing a home network using customer-premises power lines |
06/21/2001 | WO2001045375A1 Real time processing and management method for canceling out the echo between a loudspeaker and a microphone of a computer terminal |
06/21/2001 | WO2001045292A1 Method and system for compensating for signal echoes that occur in duplex data transmission during discrete multi-tone modulation |
06/21/2001 | WO2001045291A1 A delay measurement system in a packet network |
06/21/2001 | US20010004392 Arrangement for receiving a digital signal from a transmission medium |
06/21/2001 | US20010004384 Waveform equalizer, mobile station wireless apparatus using the same, base station wireless apparatus using the same, and mobile communication system using the same |
06/21/2001 | US20010004383 DSL transmission system with far-end crosstalk compensation |
06/21/2001 | DE19960242C1 Verfahren und Anordnung zur Kompensation von Signalechos bei der Duplex-Datenübertragung bei der diskreten Multitonmodulation Method and apparatus for compensating signal echoes in the duplex data transmission in discrete multitone |
06/21/2001 | DE19960051A1 Verfahren zur Echounterdrückung in einem Telekommunikationssystem und Echounterdrückungseinrichtung zur Durchführung des Verfahrens A method for echo cancellation in a telecommunication system and echo cancellation device for performing the method |
06/21/2001 | DE10026928A1 Power line communication system using chimney approach has broadcast band used for establishing connections and synchronizing connected subscribers |
06/21/2001 | DE10012235A1 Circuit for data transfer on power supply lines of electrical power supply network - with optocouplers to couple to power supply line, one in reception path and one in transmit path |
06/20/2001 | EP1109421A2 Digital self-adapting graphic equalizer and method |
06/20/2001 | EP1109332A2 A digital repeater |
06/20/2001 | EP1109329A1 DSL transmission system with far-end crosstalk cancellation |
06/20/2001 | EP1109328A1 DSL transmission system with far-end crosstalk compensation |
06/20/2001 | CN1300498A A method and system for scaleable near-end speech cancellation for tip and ring tone signal detectors |
06/20/2001 | CN1300478A Wide-band communication system |
06/20/2001 | CN1300168A Digital transponder |
06/20/2001 | CN1300155A Method for eliminating echo in telecommunication system and echo eliminator using said method |
06/19/2001 | US6249544 System and method for high-speed decoding and ISI compensation in a multi-pair transceiver system |
06/19/2001 | US6249213 Method for transmitting information over an alternating current power line through a plurality of frequency orthogonal subchannels |
06/14/2001 | WO2001043413A1 Echo canceller in a communication system at a terminal |
06/14/2001 | WO2001043383A1 Method and apparatus for reliable reception of vdsl signals |
06/14/2001 | WO2001043334A2 Voice gateway with downstream voice synchronization |
06/14/2001 | WO2001043306A1 Assembly for transmitting a high frequency signal via a low-voltage power supply network |
06/14/2001 | WO2001043305A1 Coupling device |
06/14/2001 | WO2001043304A1 System and method for transmitting and receiving power and data using time division multiplex transmission |
06/14/2001 | WO2001043303A2 Detection of bridged taps by frequency domain reflectometry |
06/14/2001 | WO2001043238A1 Assembly for transmitting information via a low-voltage power supply network |
06/14/2001 | US20010003705 Method of cancelling echoes in a telecommunications system and an echo canceller for the execution of the method |
06/14/2001 | CA2394370A1 Echo canceller in a communication system at a terminal |
06/14/2001 | CA2393165A1 Method and apparatus for reliable reception of vdsl signals |
06/13/2001 | EP1107527A2 Monitoring of tap coefficients in a decision feedback equaliser |
06/13/2001 | EP1107524A2 Channel estimation for communication system |
06/13/2001 | EP1107485A2 Device for transmitting and receiving optical signals |
06/13/2001 | EP1107464A1 Method and device for echo cancelling |
06/13/2001 | EP1105947A1 System for transmitting messages via a low-voltage power supply network and adapter |
06/13/2001 | EP0763298A4 Vehicle communications network transceiver, ground translation circuit therefor |