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Modular unit for simulating performance in multi-lines digital subscriber line (xDSL) system

A modular and multi-line technology, applied in the direction of cable transmission system, transmission system, line transmission components, etc., can solve the problem that cables are not easy to handle, and achieve the effect of easy management

Inactive Publication Date: 2013-07-10
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Such cables are not easy to handle

Method used

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  • Modular unit for simulating performance in multi-lines digital subscriber line (xDSL) system
  • Modular unit for simulating performance in multi-lines digital subscriber line (xDSL) system
  • Modular unit for simulating performance in multi-lines digital subscriber line (xDSL) system

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Embodiment Construction

[0021] Embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings that illustrate preferred embodiments of the invention. Embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention. to those skilled in the art. In the drawings, similar reference signs indicate similar elements.

[0022] In addition, those skilled in the art will appreciate that the components and functions described herein below can be implemented using software run in conjunction with a programmed microprocessor or general purpose computer and / or using application specific integrated circuits (ASICs). It will also be appreciated that while the present embodiments are primarily described in terms of methods and apparatus, embodim...

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Abstract

According to embodiments of the present invention, a multi-lines cable simulator is provided which is able to simulate also crosstalk between lines. The multi-lines cable simulator is comprised in a modular unit configured to simulate increased number of lines by means adding further modular units. According to further embodiments, the modular unit is configured to also simulate increased line length by means of adding further modular units.

Description

technical field [0001] The present invention relates to a modular unit for simulating performance in a multi-line Digital Subscriber Line (xDSL) system such as a VDSL 2 (Very High Bit Rate DSL) vectoring system. Background technique [0002] To achieve higher performance in multi-line xDSL, the need for high-density multiple-input multiple-output (MIMO) systems using multi-line bonding solutions will increase in the future. Examples of multi-line bonding solutions are G.998.x bonded xDSL and G.993.5 vectoring_DSM3 (Dynamic Spectrum Management Level 3) systems. For example, the vectoring_DSM3 system will appear on the market in increasing pairs starting with 2, but expect 4, 6, 8 and up to tens (48 or 96 pairs) and even hundreds (192, 384) pairs . In this context, a pair is two copper twisted wires that can also be called lines, links, cables and channels. [0003] A representative test environment for multi-line xDSL performance of devices with advanced processing capabil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B3/46H04M3/30
CPCH04B3/40H04M3/305H04M3/34H04B3/487G06F30/20
Inventor R.格罗佐
Owner TELEFON AB LM ERICSSON (PUBL)