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Method, system and device for adjusting power

A technology of power adjustment and transmission power, which is applied in the field of communication, can solve the problems of other users being disconnected and adjacent users with great interference, and achieve the effect of reducing interference

Inactive Publication Date: 2013-08-07
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The line power of the precoder or canceller will not change during the training process, which will cause greater interference to adjacent users during the training process, and in severe cases will cause other users to drop the line

Method used

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  • Method, system and device for adjusting power
  • Method, system and device for adjusting power
  • Method, system and device for adjusting power

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Embodiment Construction

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0028] A power adjustment method proposed in Embodiment 1 of the present invention, such as figure 1 shown, including:

[0029] Step S101, during the filter training process of the vector digital subscriber line, judging whether the transmission power of the line needs to be adjusted according to the feedback error;

[0030] Step S102, when the transmission power of the line needs to be adjusted, adjust the transmission power.

[0031] It can be seen that in the ...

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Abstract

A method, a system, and a device for power adjustment are provided. The method includes: determining whether transmission power of a line needs adjustment according to feedback errors during a training procedure of a Vectored-Digital Subscriber Line (Vectored-DSL) filter; and adjusting the transmission power when the transmission power of the line needs adjustment. By automatically determining whether the transmission power needs adjustment during a training procedure of a precoder or canceller, and adjusting the transmission power automatically when the transmission power needs adjustment, interference to other subscribers caused by the precoder or canceller during the training procedure is reduced, and call drops of the other subscribers are prevented.

Description

technical field [0001] The present invention relates to vectored-DSL (Vectored-DSL) technology in the field of communication technology, in particular to a power adjustment method, system and device. Background technique [0002] xDSL (Digital Subscriber Line, Digital Subscriber Line) is a high-speed data transmission technology transmitted over telephone twisted pair lines. With the increase of the frequency band used by xDSL, the problem of high-frequency crosstalk becomes increasingly prominent. When multiple users in a bundle of cables need to open xDSL services, the rate of some lines will become lower, the performance will become unstable, and even the opening will not be possible due to crosstalk problems, which will eventually lead to DSLAM (Digital Subscriber Line Access Multiplexer, digital subscriber line access multiplexer) has a relatively low outgoing rate. There are multiple pairs of twisted pairs on the user's cable, and various services may run on each twis...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B3/32H04B3/04
CPCH04B3/32H04M11/062H04W28/04
Inventor 方李明拉斐尔·辛德瑞那张朋瑞
Owner HUAWEI TECH CO LTD
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