A novel predicted dynamic bandwidth allocation algorithm for QoS guarantee in EPON systems

Che Jingtao; Pan Wei; Luo Bin

doi:10.13756/j.gtxyj.2008.05.010

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A novel predicted dynamic bandwidth allocation algorithm for QoS guarantee in EPON systems

- A novel predicted dynamic bandwidth allocation algorithm for QoS guarantee in EPON systems
- Study on Optical communication Issue 5, Pages: 22-24(2008)
- 作者机构：
  
  西南交通大学光通信与光器件实验室
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2008.05.010
  CLC： TN929.1
- Published：2008，
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[1]车静涛,潘炜,罗斌.一种保证EPON系统QoS的预估DBA算法[J].光通信研究,2008(05):22-24.

Che Jingtao, Pan Wei, Luo Bin. A novel predicted dynamic bandwidth allocation algorithm for QoS guarantee in EPON systems. [J]. (5):22-24(2008)
[1]车静涛,潘炜,罗斌.一种保证EPON系统QoS的预估DBA算法[J].光通信研究,2008(05):22-24. DOI： 10.13756/j.gtxyj.2008.05.010.

Che Jingtao, Pan Wei, Luo Bin. A novel predicted dynamic bandwidth allocation algorithm for QoS guarantee in EPON systems. [J]. (5):22-24(2008) DOI： 10.13756/j.gtxyj.2008.05.010.

摘要

文章提出一种保证以太无源光网络（EPON）系统服务质量（QoS）的预估动态带宽分配（DBA）算法

该算法把多个子周期组合为一个超周期

在超周期中预估各级业务带宽

然后在子周期内参考预估值进行带宽分配;并对用户上行数据进行接入管理

维持QoS的稳定。实验结果表明

该算法既能保证各级业务的带宽利用率和时延要求

又能提供更加稳定的QoS。

Abstract

In this paper

a novel predicted Dynamic Bandwidth Allocation（DBA） algorithm for QoS guarantee in EPON systems is proposed

which combines multiple subcycles into one supercycle.In the supercycle

the bandwidths for different levels of services are predicted and allocated in the subcycles with reference to the predicted values.Access Management（AM） modules are added to maintain stable QoS.Experimental results show that by using this algorithm

the bandwidth availability and delay can be ensured for different levels of services and still more stable QoS provided.

关键词

以太无源光网络动态带宽分配时延服务质量

Keywords

EPONDBAdelayQoS

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上海大学通信与信息工程学院上海　200072

School of Communication and Information Engineering,Shanghai University

FiberHome Telecommunication Technologies Co., Ltd.

Wuhan Research Institute of Posts and Telecommunications

Key Laboratory of Instrument Science and Dynamic Testing, Ministry of Education,North University of China

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