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Method and system for selecting operation template

A template, downlink data technology, applied in the field of network communication, can solve the problem that the running template is not suitable for line bandwidth and traffic, etc.

Inactive Publication Date: 2011-09-14
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] In order to solve the problem in the prior art that the selected operating template is not suitable for line bandwidth and traffic, the present invention provides a method and system for selecting an operating template

Method used

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  • Method and system for selecting operation template
  • Method and system for selecting operation template
  • Method and system for selecting operation template

Examples

Experimental program
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Embodiment 2

[0058] This embodiment takes the 998 selection operation profile of annex A of the VDSL2 line as an example. There are six profiles (profiles) 8a, 8b, 8c, 8d, 12a, and 12b. Considering that the difference between 12b and 12a is only that the former does not support US0 Frequency band, and all 8a~8d need US0, so only the first five of the six profiles listed above are considered here. See image 3 , The specific steps for selecting a running template are as follows:

[0059] Step 101: Obtain the electrical length and attenuation information of the channel.

[0060] G.hs tones can be obtained through VTU-O (Remote VDSL Terminal Unit, upstream remote unit) and VTU-R (VDSL downstream remote unit) according to G.hs (Handshake procedures for VDSL, VDSL handshake process). ) The receiving level value and the sending level value of the tones signal calculate the electrical length E-length of the channel or the attenuation vs. frequency curve.

[0061] VDSL2 can have 12 tones for G.hs, take...

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Abstract

The present invention provides a method and a system for selecting running templet, belonging to network communication field. In order to solve the problem that the running templet selected by the existing technology is not suitable for line band as well as flux, the present invention provides a method for selecting running templet, including the following steps: obtaining channel information, and setting selecting rule according to the obtained channel information, then to select channel running templet based on the setting selecting rule. The present invention provides a system for selecting running templet, including channel information obtaining module and selecting templet module. The solution of the present invention implements to select suitable running templet self-adaptively according to channel actual condition.

Description

Technical field [0001] The present invention relates to the field of network communication, in particular to a method and system for selecting an operating template. Background technique [0002] xDSL is the general term for DSL (Digital Subscriber Line, digital subscriber line), xDSL technology has produced a series of technical standards: the ITU-T standard cluster includes ADSL (Asymmetrical Digital Subscriber Line) (G.992.1) / 2), ADSL2 (second generation ADSL, the second generation of ADSL) (G.992.3), ADSL2+ (extend down stream band with ADSL2, downlink bandwidth extended ADSL2) (G.992.5), SHDSL (Symmetrical High-speed Digital Subscriber Line, high-speed symmetrical digital subscriber line (G.991.2), VDSL (Very high bit rate digital subscriber line, very high-speed digital subscriber line) (G.993.1), VDSL2 (secondgeneration VDSL, second-generation VDSL), etc. As the latest technical standard, the VDSL2 technical standard provides a symmetrical access rate of up to 100Mbit / s ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04M11/06H04L25/02H04M3/30
CPCH04L12/2856H04L5/1438H04W48/16H04B3/46H04L25/022H04L12/2865
Inventor 李莹周军
Owner HUAWEI TECH CO LTD