Patent application number | Description | Published |
20080310617 | Transmission Links - A device is provided for measuring properties of transmission links by an adaptive filter. The device comprises a first output terminal adapted to provide a first signal to the transmission link. Further, the device includes a first input terminal for receiving an echo signal of the first signal. An adaptive filter forms a part of the device and is coupled to the first input terminal. The device includes a second output terminal for providing information identifying filter coefficient of the adaptive filter. | 12-18-2008 |
20100177838 | Methods and Apparatuses for Data Transmission - Methods and devices are disclosed involving crosstalk reduction depending on weighting factors or grouping of transmission channels. In other embodiments, other methods or devices may be used. | 07-15-2010 |
20110096870 | METHOD AND APPARATUS FOR VECTORED DATA TRANSMISSION - An apparatus includes a transmitter configured to transmit data via a plurality of communication channels of a communication connection. The transmitter is further configured to transmit a same sequence for vector training on each of the communication channels. The sequences for at least two of the communication channels are shifted with respect to each other. | 04-28-2011 |
20110110402 | ERROR REPORTING IN MULTI-CARRIER SIGNAL COMMUNICATION - In a communication device, a multi-carrier signal with at least one group of signal carriers is received from a communication connection. For each of the signal carriers, at least one individual error value is evaluated or generated. From the individual error values, a combined error value is evaluated or generated. The combined error value is transmitted on a backchannel of the communication connection. | 05-12-2011 |
20120163491 | Method and Apparatus for Vectored Data Communication - In an embodiment, vector training signals are received. Noise affecting the training signals is evaluated, and a noise indication is thus determined. | 06-28-2012 |
20120281738 | Method and Apparatus for Vectored Data Transmission - In some embodiments, sequences of pilot signals on different communication channels of a communication convection are shifted with respect to each other. In other embodiments, crosstalk couplings are calculated based on intermediate vectors. | 11-08-2012 |
Patent application number | Description | Published |
20080310520 | Transmission Links - A method includes providing first values depending on crosstalk among a plurality of transmission links. A number of crosstalk channels are selected from a plurality of crosstalk channels interfering with signal transmission on transmissions links. The selecting depends on the first values. | 12-18-2008 |
20090073867 | Determining of coupling coefficients in a vector transmission system - Embodiments related to determining of coupling coefficients in a Vector transmission system are described and depicted. | 03-19-2009 |
20090141816 | Method of Transmission Power Control and Communication Device - In a method of transmission power control, transmission powers of transmission channels and/or transmission power spectral densities are adjusted so as to improve the transmission characteristics. | 06-04-2009 |
20090279620 | Data communication - Embodiments related to communication of data in a first and second transmission mode are depicted and described herein. | 11-12-2009 |
20090304060 | Probing and Estimation of cross-coupling - Embodiments related to probing and estimation of cross-coupling in a Vector transmission system are described and depicted. | 12-10-2009 |
20100034249 | FEXT estimation and signaling in Vector Transmission - Embodiments related to FEXT estimation and signaling in vectored systems are described and depicted herein. | 02-11-2010 |
20100195478 | Cross-Talk Coefficient Updating In Vector Transmission - Embodiments related to far-end cross-talk coefficient updating in vector transmission systems are depicted and described herein. | 08-05-2010 |
20110206159 | Method of Transmission Power Control and Communication Device - In a method of transmission power control, transmission powers of transmission channels and/or transmission power spectral densities are adjusted so as to improve the transmission characteristics. | 08-25-2011 |
20110268227 | POWER LEVEL SETTINGS FOR TRANSMISSION LINES - A method, wherein the following steps are iteratively repeated: providing each of a plurality of signals at a respective one of a plurality of transmission links; transmitting each of the plurality of signals over the respective one of the plurality of transmission links; and measuring signal-to-noise ratios of the plurality of signals transmitted over the plurality of transmission links, wherein an input power level of each of the plurality of signals is set such that the signal-to-noise ratios of the plurality of signals converge when measured after their transmission over the plurality of transmission links. | 11-03-2011 |
20120026926 | LOW POWER MODE FOR VECTORED DATA TRANSMISSION - Vectored communication devices and methods are provided for communication via a plurality of communication connections. Communication on at least some of the communication connections is switchable between a low power mode and a regular mode. | 02-02-2012 |
20120224685 | Cross-Talk Coefficient Updating In Vector Transmission - Embodiments related to far-end cross-talk coefficient updating in vector transmission systems are depicted and described herein. | 09-06-2012 |
20120269289 | METHODS AND APPARATUSES FOR DATA TRANSMISSION - Methods and devices are disclosed involving crosstalk reduction depending on weighting factors or grouping of transmission channels. In other embodiments, other methods or devices may be used. | 10-25-2012 |
20120327986 | CROSSTALK MITIGATION IN TRANSMISSION SYSTEM - Representative implementations of devices and techniques communication circuitry configured to communicate via a plurality of transmission channels, the communication circuitry includes crosstalk reduction circuitry to reduce crosstalk for a part of the plurality of transmission channels, the part of the plurality of transmission channels is selected from the plurality of transmission channels depending on an error threshold value. | 12-27-2012 |
20130229905 | ADAPTIVE MONITORING OF CROSSTALK COUPLING STRENGTH - The disclosure relates to a method of reducing crosstalk in a crosstalk cancelation system. The method comprises at least the steps of applying to the at least one first signal a crosstalk cancelation according to a set of crosstalk coefficients; monitoring crosstalk received in the at least one first signal at a first end of the first path during the application of the crosstalk cancelation; and updating the crosstalk coefficients during the monitoring. The disclosure also includes a device, which can carry out the method. | 09-05-2013 |