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帶有卸載時延感知的邊緣云增強FiWi網絡節(jié)能機制

鄒虹 高毅爽 閆俊杰

鄒虹, 高毅爽, 閆俊杰. 帶有卸載時延感知的邊緣云增強FiWi網絡節(jié)能機制[J]. 電子與信息學報, 2019, 41(2): 394-401. doi: 10.11999/JEIT180274
引用本文: 鄒虹, 高毅爽, 閆俊杰. 帶有卸載時延感知的邊緣云增強FiWi網絡節(jié)能機制[J]. 電子與信息學報, 2019, 41(2): 394-401. doi: 10.11999/JEIT180274
Hong ZOU, Yishuang GAO, Junjie YAN. Energy Saving Mechanism with Offload Delay Aware in Cloudlet Enhanced Fi-Wi Access Network[J]. Journal of Electronics & Information Technology, 2019, 41(2): 394-401. doi: 10.11999/JEIT180274
Citation: Hong ZOU, Yishuang GAO, Junjie YAN. Energy Saving Mechanism with Offload Delay Aware in Cloudlet Enhanced Fi-Wi Access Network[J]. Journal of Electronics & Information Technology, 2019, 41(2): 394-401. doi: 10.11999/JEIT180274

帶有卸載時延感知的邊緣云增強FiWi網絡節(jié)能機制

doi: 10.11999/JEIT180274
基金項目: 國家自然科學基金(61771082),重慶市高校創(chuàng)新團隊建設計劃(CXTDX201601020),重慶市教委科學技術研究項目(KJQN201800615)
詳細信息
    作者簡介:

    鄒虹:女,1970年生,副教授,研究方向為光無線融合網絡

    高毅爽:男,1995年生,碩士生,研究方向為光無線融合網絡

    閆俊杰:男,1990年生,博士生,研究方向為D2D通信、霧計算等

    通訊作者:

    閆俊杰 cqupt2013yjj@sina.com

  • 中圖分類號: TP393.04

Energy Saving Mechanism with Offload Delay Aware in Cloudlet Enhanced Fi-Wi Access Network

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 Program of Chongqing Municipal Education Commission (KJQN201800615)
  • 摘要:

    邊緣云增強光無線融合網絡中,存在傳統(tǒng)節(jié)能機制與卸載業(yè)務不匹配的問題。該文提出一種帶有負載轉移的光網絡單元卸載協(xié)同休眠機制。通過分析當前光網絡單元負載,結合無線域多跳傳輸時延和目標光網絡單元的報告幀發(fā)送時刻,進而確定休眠和目的光網絡單元完成負載轉移。然后光網絡單元協(xié)同考慮邊緣服務器的回傳數據到達時刻和無線域控制幀的發(fā)送時刻,選取最合適的休眠時長以減少控制開銷。仿真結果表明,所提機制在有效降低網絡能耗的同時能保證卸載業(yè)務的時延性能。

  • 圖  1  ONU卸載協(xié)同休眠機制

    圖  2  不同輪詢周期下的平均端到端時延

    圖  3  不同MEC業(yè)務負載下的響應時延

    圖  4  不同MEC業(yè)務負載下的ONU休眠比

    圖  5  不同MEC業(yè)務負載下的ONU總能耗

    圖  6  不同Beacon周期下的STA能耗

    表  1  仿真參數設置

    參數設定參數數值
    ONU數目N(個)16
    STA數目M(個)50
    ONU活躍狀態(tài)能耗(W)5.052
    ONU休眠狀態(tài)能耗(W)0.750
    STA活躍狀態(tài)能耗(W)0.900
    STA休眠狀態(tài)能耗(W)0.300
    平均卸載分組大小(kB)163.6
    ONU間保護時隙(μs)46.000
    STA間保護時隙(μs)10.000
    控制幀時隙(μs)0.512
    下載: 導出CSV
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出版歷程
  • 收稿日期:  2018-03-23
  • 修回日期:  2018-11-08
  • 網絡出版日期:  2018-11-15
  • 刊出日期:  2019-02-01

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