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Energy saving method of ONU (Optical Network Unit) in XG-PON (10 Gigabit-Capable Passive Optical Network) system or GPON (Gigabit-Capable Passive Optical Network) system

A technology of XG-PON and active state, which is applied in the direction of selection devices, electrical components, selection devices, etc. ONU energy consumption and the effect of improving bandwidth utilization

Active Publication Date: 2010-10-27
FENGHUO COMM SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] 1) Periodic sleep does not realize that the ONU is half active during sleep, that is, the ONU does not send data, and only the receiving function is working
[0008] 2) When there is no data to send, the ONU contacts the peer OLT system too frequently, occupying more uplink time slots and scattered

Method used

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  • Energy saving method of ONU (Optical Network Unit) in XG-PON (10 Gigabit-Capable Passive Optical Network) system or GPON (Gigabit-Capable Passive Optical Network) system
  • Energy saving method of ONU (Optical Network Unit) in XG-PON (10 Gigabit-Capable Passive Optical Network) system or GPON (Gigabit-Capable Passive Optical Network) system
  • Energy saving method of ONU (Optical Network Unit) in XG-PON (10 Gigabit-Capable Passive Optical Network) system or GPON (Gigabit-Capable Passive Optical Network) system

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Embodiment Construction

[0033] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0034] The key of the invention is to only introduce necessary activities during sleep, reduce unnecessary activities, and reduce power consumption while ensuring real-time service performance. In order to realize this technical goal, the present invention specifies the deep sleep of ONU, and the deep sleep of so-called ONU refers to: ONU has following three states: the inactive state (also can be referred to as inactive state) after entering deep sleep, enters Semi-active state (also called semi-active state) after deep sleep and full active state (normal communication state) after exiting deep sleep.

[0035] 1. When the ONU is in the semi-active state, only the receiving function is working and no data is sent, that is: the ONU does not send customer data in the uplink direction, and only the downlink reception is active.

[0036] 2. When the ONU is in th...

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Abstract

The invention relates to an energy saving method of ONU in an XG-PON system or a GPON system. In set time, the PON link of the ONU does not receive down customer data, and no up customer data is sent, the ONU enters deep sleep while sending a DG (dying gasp) message to tell the OLT (Optical Line Terminal) system at the opposite end; the ONU is alternately switched between an inactive state and a semi-active state after entering the deep sleep, and the length of the activity time of the ONU in the semiactive state is changeable; the ONU enters a full-active state when quitting the deep sleep. When the ONU is in the semi-active state, a receiving function works only, and the data is not sent. The energy saving method of the ONU in the XG-PON system or the GPON system is a method of the ONU deep sleep; on the premise of ensuring the service level of user service, the energy consumption of the ONU is reduced and the bandwidth use ratio is improved; under the conditions of FTTH (Fiber To The Home) scenes and high shunt ratio, the method especially has important meaning.

Description

technical field [0001] The invention relates to the technical field of energy consumption control of an ONU in a user optical fiber access system of a public telecommunication service, in particular to an energy-saving method for an ONU in an XG-PON system or a GPON system. XG-PON is an optical access system using a passive optical network with 10 gigabit capabilities, and GPON is a passive optical network system with gigabit capabilities. Background technique [0002] The meanings of each Chinese and English technical term among the present invention are as follows: [0003] technical terms meaning 1. 10G EPON 10Gbit / s Ethernet Passive Optical Network 2. AB AB-authorized time slot data burst stream (allocated burst) 3. Alloc-ID Logical channel identifier assigned to the ONU 4. cycle cycle 5. DCC DRX Control Client 6. DG Dying gasp indication),...

Claims

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Application Information

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IPC IPC(8): H04Q11/00
Inventor 何岩魏学勤
Owner FENGHUO COMM SCI & TECH CO LTD
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