Energy saving method and device

A technology for sleep, central office equipment, applied in the field of communication, can solve the problems of reducing the overall power consumption of the system, not providing, etc., to achieve the effect of reducing the overall power consumption, fast line environment changes, and fast adaptation

Active Publication Date: 2014-02-12
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the current related technologies do not provide an effective energy-saving mechanism to achieve a solution to reduce the overall power consumption of the system without affecting the system performance.

Method used

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Examples

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example 1

[0072] This embodiment adopts the method of gradually doubling the sleep period to save energy. Here, please also refer to image 3 , image 3 It is a schematic diagram of realizing the gradual doubling of the sleep period according to the preferred embodiment of the present invention. The G.fast system of the node device and the user terminal mainly operates according to the following steps during the sleep mode process:

[0073] Step 1: There is no data transmission on the link between the user terminal and the corresponding interface of the node device, and the two enter an idle state.

[0074] Step 2: When the duration of the link idle state reaches the system setting value Tidle, the user terminal sends a sleep request message SS (Sleep Select) to the corresponding port of the node device, which contains the following information: the initial duration of the sleep period Tsync, the method of adjusting the time of the sleep period : Multiplication step by step, the multip...

example 2

[0080] This embodiment adopts the method of dynamically adjusting the sleep period to save energy, which mainly includes the following steps:

[0081] Step 1: There is no data transmission on the link between the user terminal and the corresponding interface of the node device, and the two enter an idle state.

[0082] Step 2: When the duration of the link idle state reaches the system setting value Tidle, the user terminal sends a sleep request message SS (Sleep Select) to the corresponding port of the node device, which contains the following information: the initial time length of the sleep period Tsync, the maximum and minimum time length Tsleep_max and Tsleep_min, and the adjustment method (determined by different algorithms), the time Tretrain of the channel retraining operation, etc.

[0083] Step 3: After receiving the message SS, the node device sends an acknowledgment message ACK to the user terminal. Afterwards, the node device and the user terminal enter the sleep...

example 3

[0087] This embodiment adopts the method of negotiating the next sleep during the wake-up period to save energy, which mainly includes the following steps:

[0088] Step 1: There is no data transmission on the link between the user terminal and the corresponding interface of the node device, and the two enter an idle state.

[0089] Step 2: When the duration of the link idle state reaches the system setting value Tidle, the user terminal sends a sleep request message SS (Sleep Select) to the corresponding port of the node device, which contains the following information: the length of the sleep period Tsleep, the operation mode of the wake-up period (time recovery and synchronization or channel retraining), etc.

[0090] Step 3: After receiving the message SS, the node device sends an acknowledgment message ACK to the user terminal.

[0091] Then the node device and the user terminal enter the sleep mode.

[0092] Step 4: The system sleeps according to the time determined in...

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Abstract

The invention discloses an energy saving method and device which are applied to a next-generation digital subscriber line (G.fast) system. The method comprises the steps that when lasting time of a link in an idle state reaches a time threshold of the system, a user terminal and local side equipment negotiate a sleep method under a sleep mode of the system according to a preset information mechanism; the user terminal or the local side equipment enters the sleep mode according to the sleep method, wherein in a sleep time frame of the sleep mode, sleep time of the sleep time frame can be adjusted, alternatively, in an awakening time frame of the sleep mode, when the sleep mode meets a preset executing condition, the user terminal or the local side equipment executes link recovery operation. According to the energy saving method and device, the effect of reducing overall power consumption of the system on the premise that system performance is not influenced is achieved.

Description

technical field [0001] The present invention relates to the communication field, in particular, to an energy-saving method and device. Background technique [0002] Digital Subscriber Line (DSL for short) technology can provide voice, video and data services on ordinary twisted-pair wire pairs. It has high-speed access, low maintenance overhead, full utilization of existing networks and security And other characteristics, has become one of the most promising and competitive technologies. [0003] The development of DSL technology to VDSL2, the potential of twisted pair has not been fully tapped. The latest G.fast technology (next-generation DSL technology) can provide asymmetric transmission with up to 500Mbps net rate of uplink and downlink on the twisted pair by expanding the spectrum. The standard was established in 2011 by the International Telecommunications Union-Telecommunications standardization sector (ITU-T for short), and the first draft is expected to be releas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04M3/22H04M11/06H04L1/18H04B3/02
CPCY02B60/36Y02D30/50
Inventor 程明明张伟良袁立权
Owner ZTE CORP
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