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| Number | Title | Issue Date |
| 8165271 | Chattering line detection system and method A system and method is described that allows a system operator to remotely detect and diagnose a voice-enabled cable modem that has entered a chattering line state so that appropriate steps may be taken to avoid or rectify any of the problems that may result from th... | 04/24/2012 |
| 8144835 | Digital subscriber line (DSL) diagnostic tools and methods to use the same Digital subscriber line (DSL) diagnostic tools and methods to use the same are disclosed. An example DSL diagnostic tool comprises a data collector to automatically collect real-time performance data associated with a subscriber, a database interface module to autom... | 03/27/2012 |
| 8130912 | Line testing Embodiments related to line testing are described and depicted. ... | 03/06/2012 |
| 8068584 | System and method for selecting a profile for a digital subscriber line A method for selecting a profile for a digital subscriber line is disclosed, the method including collecting code violation data for a plurality of digital subscriber lines, identifying a group of problem lines in the plurality of digital subscriber lines, modeling ... | 11/29/2011 |
| 8031841 | Method and apparatus for automated asymmetric digital subscriber line loop testing A method and apparatus for mechanizing the currently manual ADSL loop testing process is disclosed. In one embodiment, an automated loop testing device is disclosed, where the loop testing device has a pair of terminals, e.g., RJ-11 jacks on both sides of the device... | 10/04/2011 |
| 7991122 | DSL system training Existing and future standardized VDSL2 and other systems can be integrated into and used with a vectored DSLAM or other vectored or non-vectored DSL system, without a new user disrupting service to other users in the same or a nearby binder, in some cases by using t... | 08/02/2011 |
| 7920677 | Automated DSL performance adjustment The present application discloses an automated digital subscriber line performance control system comprising a computer system including a logic module to evaluate performance of a plurality of DSL lines and to automatically select a set of DSL lines from the plural... | 04/05/2011 |
| 7903790 | System and method for completing incomplete records in a database of twisted cable pair information A system and method for imputing data into a database includes an imputing system operable to impute data based on outside plant construction principles. The imputing system includes an inventory database, a data engine, a search engine, and a loop engine. The inven... | 03/08/2011 |
| 7881438 | Self-learning and self-adjusting DSL system A self-learning and/or self-adjusting communication controller and/or optimizer uses operational data collected from a communication system to adjust operation of the communication system to changing operational, environmental, etc. conditions and, in some embodimen... | 02/01/2011 |
| 7809116 | DSL system estimation including known DSL line scanning and bad splice detection capability Estimates of a communication system configuration, such as a DSL system, are based on operational data collected from a network element management system, protocol, users and/or the like. The operational data collected from the system can include performance-charact... | 10/05/2010 |
| 7684546 | DSL system estimation and control Methods, apparatus, computer program products and other embodiments model a system's channel and noise characteristics using one or more Hidden Markov Models (HMMs) by modeling the state dynamics for one or more lines and associated profiles and by learning from the... | 03/23/2010 |
| 7660395 | Communication channel capacity estimation Prediction of a channel capacity is accomplished based on a TDR echo without explicitly estimating the topology of the line. The prediction is based on obtaining a measured TDR echo, determining a theoretical TDR echo for a plurality of loop lengths, estimating the ... | 02/09/2010 |
| 7620155 | Method and apparatus for automated asymmetric digital subscriber line loop testing A method and apparatus for mechanizing the currently manual ADSL loop testing process is disclosed. In one embodiment, an automated loop testing device is disclosed, where the loop testing device has a pair of terminals, e.g., RJ-11 jacks on both sides of the device... | 11/17/2009 |
| 7620154 | Equivalent working length determinative system for digital subscriber line circuits An equivalent working length (EWL) determinative system (11) for use in a digital subscriber line (DSL) telecommunication network (10) is provided. The EWL system (11) includes a DSL circuit (32) having a customer site (14) with cu... | 11/17/2009 |
| 7529348 | Method of performing insertion loss estimation The present invention provides a method and apparatus for estimating the insertion loss of a telephone line. A complex waveform is applied to each wire of the telephone line being tested. Real and imaginary components of the resultant waveform are measured at a plur... | 05/05/2009 |
| 7515691 | Method for testing DSL capability of telephone lines A system and method for performing DSL assessments of a telephone line along a prescribed test path is disclosed. The disclosed system includes a loop diagnostic test unit adapted for testing said telephone line using narrow-band and mid-band frequency test signals;... | 04/07/2009 |
| 7460649 | Method and apparatus for single end loop testing for DSL provisioning and maintenance A method and apparatus for single end loop testing for DSL provisioning and maintenance provides testing of the DSL loop using digital techniques including frequency compensation, matched filtering and median filtering, to remove strong background and enhance desire... | 12/02/2008 |
| 7436935 | Qualifying telephone lines for data transmission A system for qualifying subscriber lines in a telephony system for high speed data services. The system includes a measurement unit that makes one ended electrical measurements on the subscriber lines. Measurements on the subscriber lines are used to predict which o... | 10/14/2008 |
| 7433450 | Method and system for connection verification The present invention provides a method and system for connection verification. An embodiment includes a DSL based system, with a tester resident at a central office respective to a DSLAM. When a problem is encountered by a subscriber, the tester can be readily conn... | 10/07/2008 |
| 7426685 | Device for controlling an xDSL communication line A device for checking a transmission line carrying a plurality of digital and/or analogue transmission channels is provided. The device includes a measurement block designed to evaluate performances, search for faults and determine the quality of the line and servic... | 09/16/2008 |
| 7424097 | Method of measuring and improving xDSL transmission characteristic A system for measuring the transmission characteristic of an xDSL system that implements high-speed data communication over existing copper telephone wires connecting an office and a subscriber includes a polling device included in the outside line of an xDSL circui... | 09/09/2008 |
| 7406157 | Methods and apparatuses for determining loop characteristics using an extended voice-band modem Embodiments of the invention provide methods for determining the characteristics of a local loop using the multi-carrier tones of a DSL activation process. For one embodiment, one or more sets of downstream multi-carrier tones of a digital subscriber line activation... | 07/29/2008 |
| 7388906 | Method for detecting bridged taps on telephony cable In a particular embodiment a method of collecting and processing modem data is provided. The method includes, during training of a broadband modem, sending a series of tones within a frequency transmission band of the broadband modem, receiving the transmitted serie... | 06/17/2008 |
| 7388945 | Method and system for determining data transfer margins for network connections Method and system for determining data transfer margins and/or bit rates for network connections, the physical length of a network connection between a transmitter and receiver being known. A power spectrum is measured depending upon transfer frequency for possible ... | 06/17/2008 |
| 7373332 | Methods and apparatus for detecting temporal process variation and for managing and predicting performance of automatic classifiers Techniques for detecting temporal process variation and for managing and predicting performance of automatic classifiers applied to such processes using performance estimates based on temporal ordering of the samples are presented. ... | 05/13/2008 |
| 7356586 | Filtering system and method for voice protocol network analysis A system, method and computer program product are provided for filtering various voice protocols. A plurality of voice protocols is initially displayed. Next, an indication is received from a user as to the selection of the voice protocols. It is further determined ... | 04/08/2008 |
| 7356049 | Method and apparatus for optimization of channel capacity in multi-line communication systems using spectrum management techniques The present invention advantageously provides a method and apparatus for optimization of channel capacity in multi-line multi-tone communications such as X-DSL among subscriber lines which are bundled with one another. In an embodiment of the invention an apparatus ... | 04/08/2008 |
| 7353295 | Distributed services architecture through use of a dynamic service point map An information management system within a client/server based computer system is disclosed. The information management system manages information as to the dynamic locations and continuous changes relating to services offered within the computer system. The informat... | 04/01/2008 |
| 7349526 | Methods for testing cable pairs in a telecommunications network Methods are disclosed for testing cable pairs in a telecommunications network. One method connects a test line to a telecommunications switch. The test line is connected to an inactive cable pair. The inactive cable pair has no telecommunications service established... | 03/25/2008 |
| 7349345 | Method and apparatus for testing communications between a network edge device and a customer premises device A method and apparatus for testing communications within a broadband network between a network edge device and a customer premises device. Network data traffic is diverted from the customer premises device to a test device. The test device emulates the customer prem... | 03/25/2008 |
| 7346149 | Method and apparatus for reversibly correcting nonlinear impairments in a communications channel In a transmission line, nonlinear impairments resulting from imperfect splices are mitigated by providing a bias current that shifts the operating points of these impairments resulting in improved stability, conductivity and linearity. ... | 03/18/2008 |
| 7337079 | Time-frequency domain reflectometry apparatus and method An apparatus and method for high-resolution reflectometry that operates simultaneously in both the time and frequency domains, utilizing time-frequency signal analysis and a chirp signal multiplied by a Gaussian time envelope. The Gaussian envelope provides time loc... | 02/26/2008 |
| 7336770 | Method and apparatus for telephone line testing A method and apparatus for qualifying a telephone transmission line for XDSL communication services is disclosed. The system includes a modem, located at the customer premises to be connected. The modem analyzes actual signals to determine the electrical characteris... | 02/26/2008 |
| 7334038 | Broadband service control network Services are provided in an architecture utilizing a framework of standardized interconnection mechanisms that allow for the dynamic addition of new services that meet rules for the distributed services network. Likewise, new agents may readily be added to the netwo... | 02/19/2008 |
| 7327673 | Asymmetric digital subscriber line provision flow control on digital subscriber line access multiplexer switches Disclosed is a system for an ADSL access network for providing ADSL provision flow control at a DSLAM switch. The system includes an element management system in communication with a DSLAM switch; and a network management system in communication with the element man... | 02/05/2008 |
| 7324456 | Apparatus and method for testing an xDSL transceiver unit-central office A tester and related method test an xDSL transceiver unit-central office so as to measure performance of a transceiver unit by automatically converting many output ports by connecting a multiplexer to the xDSL transceiver unit. A transceiver unit-central office test... | 01/29/2008 |
| 7307428 | Method for single ended line testing and single ended line testing device A single ended line testing method for qualifying an electrically conducting line, including the steps of sending a plurality of randomized excitation signals from a first end of the line towards a second end of the line, subsequently taking measurements, at the fir... | 12/11/2007 |
| 7302379 | DSL system estimation and parameter recommendation Estimates of a communication system configuration, such as a DSL system, are based on operational data collected from a network element management system, protocol, users and/or the like. The operational data collected from the system can include performance-charact... | 11/27/2007 |
| 7302046 | Method for the detection of impedances and for the qualification of the telephone lines The invention relates to a method for detection of impedances, in particular along inductances, in telephone lines of the type with two metal wires as signal conductors (twisted pair), having the following method steps: a test signal in the form of an A... | 11/27/2007 |
| 7298827 | System and method for testing a quality of telecommunication data An invention is provided for testing a quality of communication data received from a SUT. The invention includes storing reference test data comprising a plurality of data segments, and receiving degraded test data also comprising a plurality of data segments, from ... | 11/20/2007 |
