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| 基于动态分组的EPON带宽分配算法 | |
| 引用本文： | 王燕滨,赵晓东,赵新伟.基于动态分组的EPON带宽分配算法[J].计算机工程,2011,37(17):67-68,83. |
| 作者姓名： | 王燕滨 赵晓东 赵新伟 |
| 作者单位： | 1. 河北科技大学研究生学院,石家庄,050018 2. 河北科技大学信息科学与工程学院,石家庄,050018 3. 河北科技大学电气信息学院,石家庄,050018 |
| 基金项目： | 河北省教育厅科学研究计划基金资助项目(F2011208014) |
| 摘 要： | 提出一种基于动态分组的以太网无源光网络(EPON)带宽分配算法。设计动态组成员策略，动态分配各个光网络单元(ONU)的上行带宽。通过获取的ONU负载情况，计算各个ONU权重，根据计算的权重分配剩余带宽，并根据负载变化，调整各个分组的组成员。仿真结果表明，该算法的平均包延时较小。 |
| 关 键 词： | 以太网无源光网络 光网络单元 动态分组 带宽分配 |
| 收稿时间： | 2011-03-07 |
Bandwidth Allocation Algorithm for Ethernet Passive Optical Network Based on Dynamic Grouping |
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| WANG Yan-bin,ZHAO Xiao-dong,ZHAO Xin-wei.Bandwidth Allocation Algorithm for Ethernet Passive Optical Network Based on Dynamic Grouping[J].Computer Engineering,2011,37(17):67-68,83. | |
| Authors: | WANG Yan-bin ZHAO Xiao-dong ZHAO Xin-wei |
| Affiliation: | WANG Yan-bina,ZHAO Xiao-dongb,ZHAO Xin-weic(a.Graduate School,b.College of Information Science and Engineering,c.College of Electrical Engineering and Information Technology,Hebei University of Science and Technology,Shijiazhuang 050018,China) |
| Abstract: | This paper proposes a bandwidth allocation algorithm for Ethernet Passive Optical Network(EPON) based on dynamic grouping.It designs dynamic groups strategy,allocates Optical Network Unit(ONU) uplink bandwidth dynamically.Based on the loads of each ONU,it calculates each ONUs' weight,and allocates bandwidth for each ONU.According to the change of load,it adjusts the groups' numbers.Simulation results show that the proposed algorithm's average packet delay time is lower. |
| Keywords: | Ethernet Passive Optical Network(EPON) Optical Network Unit(ONU) dynamic grouping bandwidth allocation |
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