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8184778 |
Line measurement method and measurement apparatus
A line measurement method is provided. The method includes obtaining data of relation between a line length and an insertion loss phase radian, and obtaining data of relation between the line...
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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...
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8160126 |
Method, device and system for upstream power back-off in digital subscriber line
A method, a device and a system for Upstream Power Back-Off (UPBO) in a Digital Subscriber Line (DSL) are provided. The method includes: collecting subscriber line information (S50); determining a...
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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...
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8130912 |
Line testing
Embodiments related to line testing are described and depicted.
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8107593 |
Method and apparatus for testing new copper connections during migration from analog network elements to next generation network (NGN) elements
This invention makes it possible to transparently test replacement functionality and optionally migrate subscribers on analog phone lines, served, for example, by PSTN Class 5 elements, to Next...
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8081735 |
PSTN VOIP reconciliation
A method for determining if a which node through which a signal is propagated i (e.g., PSTN or VOIP) when the distances from the source to VOIP modem and PSTN connections are both known, the steps...
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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...
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8041009 |
Wired transmission line testing method
The present invention relates to a wired transmission line testing method for determining at least one physical characteristic of a wired transmission line where the wired transmission line is...
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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...
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8027807 |
DSL diagnosis expert system and method
The present invention relates to diagnostic analysis of DSL circuits. In particular, it relates to methods and devices that use a rule base and automated test initiation, with excellent reduction...
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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...
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7983331 |
Method to detect missing filter/splitter and apparatus for performing such a method
A method to detect a defective or missing filter at a customer's side between a first connection having a first frequency spectrum and a second connection having a second frequency spectrum and...
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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...
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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...
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7885195 |
Test system with user selectable channel
A test system comprising: acquiring an upstream channel descriptor list; entering a pause network state when the upstream channel descriptor list is completed; and selecting a particular channel...
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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...
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7852910 |
Systems and methods for loop length and bridged tap length determination of a transmission line
Through the use of a least squares minimization concept, the loop length, the number of bridged taps and length of the bridged taps on a transmission line can be determined from readily available...
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7852742 |
Precompensation of crosstalk interference based on feedback error signal
A device has a plurality of output terminals to provide a plurality of signals to a plurality of transmission links; at least one input terminal to receive information representing a projection of...
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7843841 |
Method and apparatus for providing automatic crankback for emergency calls
A method and apparatus for automating test procedures to determine if non-emergency signaling message processing errors impact emergency calls, e.g., E911 calls, are disclosed. In one embodiment,...
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7835431 |
Systems and methods for loop length and bridged tap length determination of a transmission line
Through the use of a least squares minimization concept, the loop length, the number of bridged taps and length of the bridged taps on a transmission line can be determined from readily available...
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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...
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7729476 |
Line loss tester
An apparatus and method for testing integrity of a wired communication link includes receiving a plurality of signals, sent by at least one transmitter over the wired communications link, at...
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7729477 |
System and method for detecting continuity of network lines
The present disclosure provides a system and method for detecting faults related to lines linked to provide network services. The method includes storing a synthetic value for the performance of a...
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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...
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7664122 |
Call tracking using voice quality measurement probe
A system for monitoring quality of calls in a network. A server receives information concerning calls which begin or end in a network and at the same time receives measurements of a quality...
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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...
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7653180 |
Method for assessing DSL capability of telephone lines
A test system and method for performing DSL assessments of a telephone line along a prescribed test path is disclosed. The disclosed test system and method includes a loop diagnostic test unit...
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7623630 |
Double-ended line probing (DELP) for DSL systems
Double-ended line probing (DELP) techniques are described herein that enable a loop configuration to be identified based on mathematically simple error functions, which are both time-efficient and...
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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...
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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)...
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7606353 |
Signal amplitude and clock signal frequency selection
In one embodiment, a method is provided. The method of this embodiment may include, in response, at least in part, to receipt at a first node of a request issued from a second node to change from...
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7606350 |
Incentive-based DSL system
Improved DSL and/or other communication system services can be provided by motivating users, service providers and operators to implement and comply with one or more operational conditions, such as...
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7602885 |
Automatic provisioning of a telephone line test system
A telephone line test system that may be used to compute line length of subscriber lines connected to a central office or other distribution point. When initially installed, the test system may...
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7583727 |
Single ended DMT test method for determining ADSL capability of cables
A DMT (Discrete Multi-Tone) test method is employed by a single test device to estimate the theoretical and practical data rates of a cable under test for a pair of target ADSL (Asymmetric Digital...
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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...
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7515692 |
System and method for qualifying telephone lines for very-high-bit-rate digital subscriber line service
A method for qualifying a telephone line for very-high-bit-rate digital subscriber line (“VDSL”) service is disclosed. Generally, a telephone line for VDSL service is prequalified based on a len...
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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...
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7483694 |
Method and system for remotely testing a wireless device
A method and system for testing a wireless device, the system comprising: a remote user interface for interacting with the data device from a remote location; and a wireless network for...
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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...
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7447160 |
Method and apparatus for providing automatic crankback for emergency calls
A method and apparatus for automating test procedures to determine if non-emergency signaling message processing errors impact emergency calls, e.g., E911 calls, are disclosed. In one embodiment,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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