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带有卸载压缩激励的云增强FiWi网络节能机制

彭海英 王泽东 吴大鹏

彭海英, 王泽东, 吴大鹏. 带有卸载压缩激励的云增强FiWi网络节能机制[J]. 电子与信息学报, 2020, 42(7): 1726-1733. doi: 10.11999/JEIT190405
引用本文: 彭海英, 王泽东, 吴大鹏. 带有卸载压缩激励的云增强FiWi网络节能机制[J]. 电子与信息学报, 2020, 42(7): 1726-1733. doi: 10.11999/JEIT190405
Haiying PENG, Zedong WANG, Dapeng WU. Energy Saving Mechanism with Incentive of Offloading Compression in Cloudlet Enhanced Fiber-Wireless Network[J]. Journal of Electronics & Information Technology, 2020, 42(7): 1726-1733. doi: 10.11999/JEIT190405
Citation: Haiying PENG, Zedong WANG, Dapeng WU. Energy Saving Mechanism with Incentive of Offloading Compression in Cloudlet Enhanced Fiber-Wireless Network[J]. Journal of Electronics & Information Technology, 2020, 42(7): 1726-1733. doi: 10.11999/JEIT190405

带有卸载压缩激励的云增强FiWi网络节能机制

doi: 10.11999/JEIT190405
基金项目: 国家自然科学基金(61771082, 61871062);重庆市高校创新团队建设计划(CXTDX201601020)
详细信息
    作者简介:

    彭海英:女,1973年生,副教授,研究方向为光无线融合网络

    王泽东:男,1993年生,硕士生,研究方向为光无线融合网络

    吴大鹏:男,1979年生,教授,博士,研究方向为泛在无线网络、社会计算、互联网服务质量控制等

    通讯作者:

    王泽东 917251201@qq.com

  • 中图分类号: TN926, TP393

Energy Saving Mechanism with Incentive of Offloading Compression in Cloudlet Enhanced Fiber-Wireless Network

Funds: The National Natural Science Foundation of China (61771082, 61871062); Chongqing Funded Project of Chongqing University Innovation Team Construction (CXTDX201601020)
  • 摘要:

    针对云增强型光纤-无线(FiWi)网络能耗以及卸载的通信开销过大问题,该文提出一种自适应卸载压缩节能机制(ESAOC),针对不同类型的业务属性和最大的容忍时延,结合光网络单元的负载变化和无线网状网的流量情况,通过统计的方式获得不同优先级卸载数据的平均到达率,再结合各个节点的压缩时延,动态调整业务的卸载压缩比,以降低卸载的通信开销;同时,建立排队模型分析卸载业务在MEC服务器的排队时延,协同调度无线侧中继节点,进而对光网络单元和终端设备进行协同休眠调度,最大化休眠时长,提高系统能源效率。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卸载业务的时延性能。

  • 图  1  带有MEC卸载压缩激励的FiWi网络架构

    图  2  回传时延感知ONU休眠

    图  3  不同优先级业务的端到端时延

    图  6  不同压缩比下的压缩时延

    图  4  不同算法对应的业务响应时延

    图  5  不同负载下的ONU总能耗

    图  7  节点数与压缩能耗关系

    表  1  仿真参数设置

    参数设定参数数值
    网络区域(m2)500×500
    ONU数目N(个)8
    Mesh节点数目${N_w}$(个)20
    STA数目W(个)50
    ONU活跃状态能耗(W)5.05
    ONU休眠状态能耗(W)0.75
    平均卸载分组大小(kb)128.5
    节点处理能力$\tau $(ns/b)0.35
    压缩参数$\beta $5
    压缩能耗系数$\varepsilon $(nJ/b)8
    ${R_{\rm{mes} }}$(Mbit/s)6900
    ${R_{\rm{O}} }$(Gbit/s)1
    ${T_{\rm{O} \to {\rm{M}} }}$(μs)50
    ONU保护时隙(μs)40
    控制帧时隙(μs)0.5
    ${\xi _0}$(cycles/bit)500
    ${f_0}$(cycles/s)$3.2 \times {10^9}$
    下载: 导出CSV
  • 吴大鹏, 李雪, 李红霞. 基于TWDM-PON与C-RAN的QoE感知视频协作缓存与传输机制[J]. 通信学报, 2019, 40(3): 80–91. doi: 10.11959/j.issn.1000-436x.2019066

    WU Dapeng, LI Xue, and LI Hongxia. QoE-aware video cooperative caching and transmission mechanism based on TWDM-PON and C-RAN[J]. Journal on Communications, 2019, 40(3): 80–91. doi: 10.11959/j.issn.1000-436x.2019066
    王汝言, 徐宁宁, 吴大鹏. 能耗和时延感知的虚拟化云无线接入网络资源分配机制[J]. 电子与信息学报, 2019, 41(1): 83–90. doi: 10.11999/JEIT180063

    WANG Ruyan, XU Ningning, and WU Dapeng. Energy consumption and delay-aware resource allocation mechanism for virtualization cloud radio access network[J]. Journal of Electronics &Information Technology, 2019, 41(1): 83–90. doi: 10.11999/JEIT180063
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出版历程
  • 收稿日期:  2019-06-05
  • 修回日期:  2020-02-28
  • 网络出版日期:  2020-04-09
  • 刊出日期:  2020-07-23

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