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Method and device for reducing x digital subscriber line (DSL) system and xDSL system

A technology for reducing voltage and supply voltage, which is applied in the field of xDSL system and xDSL system voltage reduction. The effect of wave clipping

Active Publication Date: 2011-07-06
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, it is difficult to quickly and accurately judge whether the fixed reduced transmit power of ANNEX P meets the requirements of all ports on the board according to the SNR Margin required by the customer; and the L2 and L3 modes are re-entering the full power mode , it will cause serious crosstalk to the surrounding lines; in addition, the energy-saving effect of only reducing the transmission power without reducing the supply voltage is limited

Method used

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  • Method and device for reducing x digital subscriber line (DSL) system and xDSL system
  • Method and device for reducing x digital subscriber line (DSL) system and xDSL system
  • Method and device for reducing x digital subscriber line (DSL) system and xDSL system

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Embodiment Construction

[0042] 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.

[0043] figure 1 It is a schematic structural diagram of an embodiment of the xDSL system of the present invention. Such as figure 1 As shown, the xDSL system includes a central office, a client, and a data transmission line connected between the central office and the client. Wherein, the central office of the xDSL system, that is, central office equipment, includes: a network management system (Network Management System, NMS for short) 100 , an central office in...

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Abstract

The embodiment of the invention relates to a method and a device for reducing the voltage of an x digital subscriber line (SDL) system and the xDSL system. The method comprises the following steps of: measuring and calculating minimum transmission power required by each port on a service single board according to service parameters configured on the service single board of a control office in the xDSL system, wherein the service parameters comprise a service rate and an excepted signal to noise ratio margin; calculating a voltage drop value required by a line driver for driving each port according to a maximum value in the minimum transmission power required by each port; and configuring the transmission power of each port to be the maximum value in the minimum transmission power required by each port, and reducing the power supply voltage of the line driver by the voltage drop value. The transmission power is measured and calculate to produce a fixed transmission power and power supply voltage reduction template, thereby reducing the energy consumption of the xDSL system and avoiding the phenomenon that the transmission power of each port of the service single board is not limited due to the reduction in the power supply voltage of the line driver (LD) to further cause signal wave absorption.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to a method and device for reducing voltage in an xDSL system and the xDSL system. Background technique [0002] Digital Subscriber Line (DSL) technology is a high-speed transmission technology for data transmission through unshielded twisted pair (Unshielded Twist Pair, UTP), including asymmetrical digital subscriber line (ADSL), very high-speed digital subscriber line (VDSL), Digital Subscriber Line (IDSL) based on ISDN, Single Pair High Speed ​​Digital Subscriber Line (SHDSL), Second Generation Asymmetric Digital Subscriber Line (ADSL2), Second Generation Asymmetric Extended Band Digital Subscriber Line (ADSL2plus), second-generation very high-speed digital subscriber line (VDSL2), etc., are collectively referred to as xDSL below in this article. [0003] Currently, a line driver (Line Driver, LD) is used in xDSL to drive UTP for data transmission. If a class AB LD...

Claims

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Application Information

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IPC IPC(8): H04M3/30H04W52/02
CPCY02B60/50Y02D30/70
Inventor 涂建平马志朋
Owner HUAWEI TECH CO LTD
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