帶有上行數(shù)據(jù)幀聚合的光無(wú)線融合接入網(wǎng)絡(luò)節(jié)能機(jī)制

吳大鵬; 吳光鍇; 王汝言

doi:10.11999/JEIT170508

帶有上行數(shù)據(jù)幀聚合的光無(wú)線融合接入網(wǎng)絡(luò)節(jié)能機(jī)制

doi: 10.11999/JEIT170508

基金項(xiàng)目:

國(guó)家自然科學(xué)基金(61771082)，重慶市高校創(chuàng)新團(tuán)隊(duì)建設(shè)計(jì)劃資助項(xiàng)目(CXTDX201601020)，重慶市教委科學(xué)技術(shù)研究項(xiàng)目(KJ1401126)

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- 文章訪問(wèn)數(shù): 1230
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- 被引次數(shù): 0
出版歷程
- 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: 光無(wú)線融合接入網(wǎng)存在光網(wǎng)絡(luò)單元利用率低，數(shù)據(jù)傳輸過(guò)程中控制開(kāi)銷較大的問(wèn)題。該文提出一種帶有上行數(shù)據(jù)幀聚合的節(jié)能機(jī)制，建立M/G/1模型分析數(shù)據(jù)幀在無(wú)線域節(jié)點(diǎn)及光域節(jié)點(diǎn)的隊(duì)列時(shí)延，結(jié)合不同優(yōu)先級(jí)業(yè)務(wù)的最大容忍時(shí)延，推導(dǎo)各優(yōu)先級(jí)聚合幀在不同網(wǎng)絡(luò)狀態(tài)下的最佳長(zhǎng)度，進(jìn)而根據(jù)所得到的最佳幀長(zhǎng)對(duì)光域節(jié)點(diǎn)進(jìn)行休眠調(diào)度，在保障業(yè)務(wù)時(shí)延的前提下，盡可能地延長(zhǎng)節(jié)點(diǎn)休眠時(shí)間長(zhǎng)度，提高網(wǎng)絡(luò)能量效率。仿真結(jié)果表明，所提方法在有效降低整個(gè)網(wǎng)絡(luò)能耗的同時(shí)能夠保證業(yè)務(wù)的時(shí)延性能。
- 光無(wú)線融合接入網(wǎng)絡(luò) /
- 幀聚合 /
- 節(jié)能 /
- 節(jié)點(diǎn)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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參考文獻(xiàn)(19)

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