Passive optical network energy saving method based on ONU modularization

A passive optical network, modular technology, applied in the field of optical communication, can solve the problem of not considering delay and energy efficiency, and achieve the effect of reducing network energy consumption, improving energy efficiency, and improving service quality

Active Publication Date: 2014-09-17
CHONGQING UNIV OF POSTS & TELECOMM
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Problems solved by technology

S.H.Shah Newaz and others further discussed the energy consumption difference between the two energy consumption levels and t

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  • Passive optical network energy saving method based on ONU modularization
  • Passive optical network energy saving method based on ONU modularization
  • Passive optical network energy saving method based on ONU modularization

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Embodiment Construction

[0021] In this method, the ONU modular energy consumption model divides the ONU energy consumption into three energy consumption modules: an uplink module, a downlink module and a basic module. The strategy of giving priority to sending and receiving real-time services is to distinguish services into real-time services and non-real-time services, and to send and receive real-time services first in each polling cycle. And in order to realize the proposed method and make the ONU uplink / downlink module obtain relevant working time slot information, the GATE frame is redesigned.

[0022] The ONU modular energy consumption model enables different modules of the ONU to wake up or sleep independently according to the business situation, and enables the ONU to receive only the data it needs in the allocated time slot discontinuously, thereby increasing the sleep time and avoiding Energy consumption due to useless data.

[0023] In order to reduce the impact of sleep on network delay ...

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Abstract

The invention discloses a passive optical network energy saving method based on ONU modularization and belongs to the technical field of optical communication. Due to the shortage that the contradiction between the delay performance and the energy efficiency cannot be well removed according to an existing ONU sleeping method in a passive optical network, a novel method for improving the energy efficiency of an ONU is provided. An ONU modularization energy consumption module is established so that related modules of the ONU can be independently converted into a sleeping/awakening state in an uncontinuous data transmitting and receiving mode according to the network service state, the sleeping time is prolonged, and network energy consumption is reduced; meanwhile, according to double-polling sub-period mode, a seal-time service is received or transmitted preferentially, real-time service network delay is reduced, and the overall service quality of the network is improved. Compared with other energy saving methods, the passive optical network energy saving method can improve the overall service quality of the network and network energy consumption can be remarkably reduced.

Description

technical field [0001] The invention belongs to the technical field of optical communication, and relates to a passive optical network energy-saving method based on ONU modularization. Background technique [0002] In recent years, with the increase of telecommunication networks and the rapid growth of network bandwidth, the energy consumed by existing network systems has also increased dramatically. The energy efficiency of telecommunication networks has become an important research topic, whether it is considered from the perspective of preventing global warming or simply to reduce operating costs. As the "last mile" of the telecommunications network, the access network's ultimate goal is to realize Fiber To The Home (FTTH). Compared with the metropolitan area network and backbone network in the telecommunications network, more communication equipment is required. Its energy consumption accounts for about 75% of the entire telecommunication network. PON (Passive Optical ...

Claims

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Application Information

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IPC IPC(8): H04Q11/00
Inventor 熊余管建军刘川菠王汝言
Owner CHONGQING UNIV OF POSTS & TELECOMM
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