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Method for predicting data rate in accesses on asymmetric digital subscriber line

A digital subscriber line, asymmetric technology, applied in the direction of data exchange through path configuration, digital transmission system, data exchange network, etc., can solve the problem that the solution cannot be implemented in time

Inactive Publication Date: 2012-10-03
TELEFONICA SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Said information is again subject to the aforementioned limitations, which may in some cases introduce a margin of error of up to 50%
[0011] The proposed solution is to measure at both ends of the loop, but said solution cannot be implemented due to time constraints and operational costs incurred

Method used

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  • Method for predicting data rate in accesses on asymmetric digital subscriber line
  • Method for predicting data rate in accesses on asymmetric digital subscriber line
  • Method for predicting data rate in accesses on asymmetric digital subscriber line

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Embodiment Construction

[0021] According to the present invention, based on the results provided by the aforementioned means and devices known in the art, and using loop and noise models, additional considerations such as delay and impulse noise protection (INP) for asymmetric digital subscriber lines Other parameters typical of broadband services, determine the topology and possible faults of the ring, and calculate the probable performance (in bits per second in the user-to-network (upstream) and network-to-user (downstream) directions speed).

[0022] The method according to the invention allows, based on reflectometer measurements taken from a single point of access to the network (for example, a telephone exchange), to pre-calculate which lines in the network are sporadically faulty (short-circuited) and which are suitable for a given line requiring a given data rate. The type of broadband service that provides a calculation of the maximum net access speed that can be marketed. The method of th...

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Abstract

This invention relates to a method for predicting the performance of a metal pair for broadband accesses from reflectometry measurements taken from a single point of the access network, specifically from the telephone exchange, said method being able to be carried out from the raw data provided by the DSLAM, as well as from data already prepared by management and configuration tools.

Description

technical field [0001] The invention relates to the field of fixed broadband communication, in particular to the broadband access provided by a subscriber loop, a metal couple (typically a copper couple) connecting a subscriber's home phone and a telephone exchange. The present invention relates more particularly to a method for determining the topology of a subscriber loop (sections integrating it and possible open branches called bridge taps), detecting faults and computing usage Different kinds of Asymmetric Digital Subscriber Line (ADSL or Asymmetric Digital Subscriber Line, ADSL2+ or Non-Digital Subscriber Line - Extended Bandwidth and VDSL2 or Very High Speed ​​Digital Subscriber Line 2) (hereinafter referred to as xDSLs) loops can provide access speed. Background technique [0002] In the telecom operator and provider industries, both need to be up front with reduced operating costs, calculating when metal couples are to be used to provide multi-carrier technologies ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/26H04L12/24H04L12/28
CPCH04L41/147H04L43/0894H04L43/0882H04L41/12H04M11/062H04M3/30
Inventor 曼纽尔·桑切斯扬格拉
Owner TELEFONICA SA