带有上行数据帧聚合的光无线融合接入网络节能机制

吴大鹏; 吴光锴; 王汝言

doi:10.11999/JEIT170508

带有上行数据帧聚合的光无线融合接入网络节能机制

doi: 10.11999/JEIT170508

基金项目:

国家自然科学基金(61771082)，重庆市高校创新团队建设计划资助项目(CXTDX201601020)，重庆市教委科学技术研究项目(KJ1401126)

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出版历程
- 收稿日期: 2017-05-26
- 修回日期: 2017-09-30
- 刊出日期: 2018-03-19

Energy-saving Mechanism of Integrated Fiber-wireless Access Network with Uplink Data Frame Aggregation

Funds:

The National Natural Science Foundation of China (61771082), The Chongqing Funded Project of Chongqing University Innovation Team Construction (CXTDX201601020), The Science and Technology Research Project of Chongqing Municipal Education Commission (KJ1401126)

摘要

摘要: 光无线融合接入网存在光网络单元利用率低，数据传输过程中控制开销较大的问题。该文提出一种带有上行数据帧聚合的节能机制，建立M/G/1模型分析数据帧在无线域节点及光域节点的队列时延，结合不同优先级业务的最大容忍时延，推导各优先级聚合帧在不同网络状态下的最佳长度，进而根据所得到的最佳帧长对光域节点进行休眠调度，在保障业务时延的前提下，尽可能地延长节点休眠时间长度，提高网络能量效率。仿真结果表明，所提方法在有效降低整个网络能耗的同时能够保证业务的时延性能。
- 光无线融合接入网络 /
- 帧聚合 /
- 节能 /
- 节点休眠
Abstract: Integrated Fiber-Wireless (FiWi) access network has the problems of low utilization rate of optical network unit and large control overhead during data transmission. In this paper, an energy saving mechanism with uplink data frame aggregation is proposed, the M/G/1 model is used to analyze the queue delay of the data frame in the wireless domain node and the optical domain node, by combining with the maximum tolerable delay of different priority, the optimal length of the aggregation frame is deduced in different network conditions. And then according to the optimal frame length to perform sleep scheduling for optical domain nodes, on the premise of guaranteeing the service delay, as much as possible to extend the length of node sleep time, and then the network energy efficiency is improved. The simulation results show that the proposed method can effectively reduce the energy consumption of the whole network and guarantee the delay performance.
- Integrated Fiber-Wireless (FiWi) access network /
- Frame aggregation /
- Energy saving /
- Node sleep

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参考文献(19)

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