Patent application number | Description | Published |
20100061249 | Distributed resource management for multi-service, multi-access broadband networks - A qualification and monitoring function ( | 03-11-2010 |
20110019578 | METHOD AND ARRANGEMENT FOR THE POWER MANAGEMENT OF A DIGITAL COMMUNICATION LINE - The present invention relates to a method and an arrangement for the power management of a digital communication line such as a digital subscriber line DSL. A problem addressed by the invention is that the transitioning of the digital subscriber line from a low transmission power state to a high transmission power state can cause disturbance to adjacent lines. This problem is solved by the current invention by an access node AN that is arranged to step-wise increase the power state until the high transmission power state has been reached. The invention also comprises embodiments of monitoring and detecting traffic events that serve as triggers of the transitioning. | 01-27-2011 |
20110261932 | METHOD FOR TRANSMISSION LINE ANALYSIS - A FDR SELT measurement is made in a stop band of a DSL band plan, using a PSD allowed by the PSD mask. Further measurements may also be made in an adjacent pass band and further bands, and the results combined to create a wide-band measurement result. When transformed into the time domain (e.g. by inverse Fourier transform to produce the line impulse response) greater resolution in time (and hence greater spatial resolution) is achieved. In order to compensate for AGC calibration errors measurements using different AGC steps may be scaled to fit smoothly to each other. If measurements overlap, measurement results in the region of overlap may be combined in various ways to limit the influence of noise and to create a smooth transition from one measurement to the next. | 10-27-2011 |
20120020398 | Methods and Devices for Transmission Line Analysis - Improved diagnostics of transmission line ( | 01-26-2012 |
20120069883 | Passive Selt - The present invention relates to a method for estimating properties of a transmission line by means of features of a noise spectrum generated by noise entering said transmission line at an intermediate location between the ends of the line. The invention provides possibility to estimate a number of properties, e.g. length of a portion of the transmission line, line attenuation of said Sine portion and even line termination. | 03-22-2012 |
20120215503 | ARRANGEMENT AND METHOD RELATING TO ANALYSIS OF TRANSMISSION LINES - Embodiments of the present invention relate to an arrangement for analyzing transmission line properties. Measurement data providing means provide data of a first frequency dependent line property, line property calculation arrangement with model handling means, a Hubert transform handler and line property determination means calculate said first property based on model parameters, line resistance at 0 frequency, roc r cut-off frequency, v, line capacitance C∞r and line inductance Σ̂. The line model handling means calculates the line inductance L(J) via a Hubert transform of Q(f/v)r relating line resistance R(J) to roc such as formula (I). The Hilbert transform values are calculated using a parameterized closed form expression for the Hubert transform or they are tabulated. The line property determination means calculates the first property and criteria function application means uses the measured first property and the calculated first property for model parameters to find optimized numerical model parameter values. | 08-23-2012 |
20120219123 | SINGLE ENDED ESTIMATION OF FAR-END CROSSTALK IN A DIGITAL SUBSCRIBER LINE - An apparatus for estimating far-end crosstalk R | 08-30-2012 |
20120221271 | Method and Arrangement in a Telecommunication System for Estimating Frequency Dependent Resistance - Method and arrangement in a telecommunication system for estimating frequency dependent resistance of a transmission line. Insertion loss per length unit of the transmission line at a first frequency is determined. Thereupon a first resistance per length unit based on the determined insertion loss per length unit of the transmission line is calculated. Effective resistance per length unit at a second frequency based on the calculated first resistance is calculated. The calculated effective resistance could be used when estimating the insertion loss for the second frequency and all frequencies of interest. | 08-30-2012 |
20130010931 | Estimating Pair Symmetry Status for a Communication Line - An apparatus for estimating pair symmetry status for a communication line (C | 01-10-2013 |
20130158922 | ESTIMATION OF A QUANTITY RELATED TO IMPEDANCE - Method, arrangement and network node/device for estimating a quantity related to impedance in a first frequency interval, D | 06-20-2013 |
20130163729 | CALIBRATION OF A LINE DRIVING DEVICE - Method, arrangement and devices for calibration of a line driving device, such as a DSLAM, having a line port. The method comprises deriving of a first parameter vector, PVinf, for example Hinf. The parameter vector PVinf is derived by performing, at a first site, an echo measurement on the line driving device while the line port on said line driving device is open. The method further comprises calibrating the line driving device based on the first parameter vector PVinf and a second parameter vector PVref, which second parameter vector is based on information on echo measurements performed on at least one reference line driving device. | 06-27-2013 |
20130201844 | PARAMETER PREDICTION FOR AUTONOMOUS DSL SYSTEM CONFIGURATION PROFILE SELECTION - Method and arrangement for predicting a parameter indicative of an achievable bit rate when using a certain configuration in a digital subscriber line. The method involves obtaining basic configuration parameters of a known configuration; selecting a candidate configuration; and deriving an estimated parameter, indicative of an achievable bit rate, based on the obtained and selected parameters. | 08-08-2013 |
20140036684 | METHOD AND ARRANGEMENT FOR THE POWER MANAGEMENT OF A DIGITAL COMMUNICATION LINE - The present invention relates to a method and an arrangement for the power management of a digital communication line such as a digital subscriber line DSL ( | 02-06-2014 |
20140219074 | Adjusted Transmission in XDSL - Method and transmitting node for adjusting transmission over xDSL lines connected to the transmitting node. The method involves transmitting ( | 08-07-2014 |
20140240194 | SMALL-CELL ANTENNA ARRANGEMENT - The present invention relates to a small-cell antenna arrangement. The antenna arrangement comprises an antenna mounting unit and an active antenna element. The antenna mounting unit is arranged with fastening means from which the active antenna element is detachable. Further, the antenna mounting unit is arranged with a signalling interface via which signals are arranged to be transferred between the active antenna element and a remotely located base station with which the antenna arrangement communicates. Moreover, the antenna mounting unit is arranged with an interface via which the active antenna element is powered. | 08-28-2014 |
20140307763 | Single Ended Line Test Methods for Time Duplex Division Devices - The present disclosure relates to a Time Duplex Division (TDD) modem and a method in such a modem for making Single Ended Line Test (SELT) measurements. The device comprises a transmitter and a receiver and it has a normal mode of TDD communication. In these devices, Time Domain Reflectometry (TDR) is used as line measurement. It has a number of drawbacks, and for overcoming said drawbacks, Frequency Domain Reflectometry (FDR) measurement techniques adapted for TDD devices are suggested. | 10-16-2014 |
20140313919 | Methods and Devices for Transmission Line Analysis - Improved diagnostics of transmission line noise are enabled by adapting DSL equipment to make measurements of quiet line noise also in the transmit bands, so that noise can be measured at both ends for the same frequency or frequency bands. | 10-23-2014 |