高级搜索

留言板

尊敬的读者、作者、审稿人, 关于本刊的投稿、审稿、编辑和出版的任何问题, 您可以本页添加留言。我们将尽快给您答复。谢谢您的支持!

姓名
邮箱
手机号码
标题
留言内容
验证码

面向空天地异构网络的边缘计算部分任务卸载策略

李斌 刘文帅 费泽松

李斌, 刘文帅, 费泽松. 面向空天地异构网络的边缘计算部分任务卸载策略[J]. 电子与信息学报, 2022, 44(9): 3091-3098. doi: 10.11999/JEIT220272
引用本文: 李斌, 刘文帅, 费泽松. 面向空天地异构网络的边缘计算部分任务卸载策略[J]. 电子与信息学报, 2022, 44(9): 3091-3098. doi: 10.11999/JEIT220272
LI Bin, LIU Wenshuai, FEI Zesong. Partial Computation Offloading for Mobile Edge Computing in Space-Air-Ground Integrated Network[J]. Journal of Electronics & Information Technology, 2022, 44(9): 3091-3098. doi: 10.11999/JEIT220272
Citation: LI Bin, LIU Wenshuai, FEI Zesong. Partial Computation Offloading for Mobile Edge Computing in Space-Air-Ground Integrated Network[J]. Journal of Electronics & Information Technology, 2022, 44(9): 3091-3098. doi: 10.11999/JEIT220272

面向空天地异构网络的边缘计算部分任务卸载策略

doi: 10.11999/JEIT220272
基金项目: 科技部重点研发项目(2020YFB1806900),国家自然科学基金(62101277),江苏省自然科学基金(BK20200822),江苏省研究生科研与实践创新计划项目(KYCX22_1204)
详细信息
    作者简介:

    李斌:男,副教授,硕士生导师,研究方向为移动边缘计算、无人机通信网络

    刘文帅:男,硕士生,研究方向为移动边缘计算

    费泽松:男,教授,博士生导师,研究方向为空天地一体化网络、无线多媒体通信、信号处理

    通讯作者:

    李斌 bin.li@nuist.edu.cn

  • 中图分类号: TN929.5

Partial Computation Offloading for Mobile Edge Computing in Space-Air-Ground Integrated Network

Funds: The National Key R&D Program of China (2020YFB1806900), The National Natural Science Foundation of China (62101277), The Science Foundation of Jiangsu Province (BK20200822), The Postgraduate Research & Practice Innovation Program of Jiangsu Province (KYCX22_1204)
  • 摘要: 空天地异构网络作为一种新型网络构架,是未来6G实现泛在连接的关键支撑。该文提出一种面向空天地异构网络(SAGIN)的移动边缘计算部分任务卸载方案。首先,分析了低轨(LEO)卫星的覆盖时间。其次,联合考虑用户与无人机(UAV)匹配关联因子、任务分配、带宽分配、无人机计算资源分配以及无人机轨迹,旨在建立一个能耗最小化问题。最后,采用交替迭代优化算法,将原非凸问题分解为3个子问题,并利用变量替换和连续凸逼近方法将问题转化为凸问题进行求解。仿真结果表明,所提算法具有良好的收敛性能,并有效地降低系统能耗。
  • 图  1  系统模型图

    图  2  低轨卫星与地面终端用户的几何关系图

    图  3  K=12时多个UAV的飞行轨迹

    图  4  交替优化算法的收敛曲线

    图  5  K=5时用户在不同时隙内的卸载速率

    图  6  UAV能耗随用户数量变化

    表  1  交替优化算法(算法1)

     输入:初始化$ \left( {{\boldsymbol{a}},{\boldsymbol{b}},{\boldsymbol{D}},{\boldsymbol{f}},{\boldsymbol{q}}} \right) $
     for $i = 1:I$
       步骤1:固定$\left\{ {{\boldsymbol{b}},{\boldsymbol{D}},{\boldsymbol{f}},{\boldsymbol{q}}} \right\}$时,求解线性规划问题;
       步骤2:固定$ \left\{ {{\boldsymbol{a}},{\boldsymbol{f}},{\boldsymbol{q}}} \right\} $时,求解线性规划问题(10);
       步骤3:固定$ \left\{ {{\boldsymbol{a}},{\boldsymbol{b}},{\boldsymbol{D}}} \right\} $时,求解凸优化问题;
     输出$ \left( {{\boldsymbol{a}},{\boldsymbol{b}},{\boldsymbol{D}},{\boldsymbol{f}},{\boldsymbol{q}}} \right) $。
    下载: 导出CSV
  • [1] LETAIEF K B, SHI Yuanming, LU Jianmin, et al. Edge artificial intelligence for 6G: Vision, enabling technologies, and applications[J]. IEEE Journal on Selected Areas in Communications, 2022, 40(1): 5–36. doi: 10.1109/JSAC.2021.3126076
    [2] 陈新颖, 盛敏, 李博, 等. 面向6G的无人机通信综述[J]. 电子与信息学报, 2022, 44(3): 781–789. doi: 10.11999/JEIT210789

    CHEN Xinying, SHENG Min, LI Bo, et al. Survey on unmanned aerial vehicle communications for 6G[J]. Journal of Electronics &Information Technology, 2022, 44(3): 781–789. doi: 10.11999/JEIT210789
    [3] JI Baofeng, WANG Yanan, SONG Kang, et al. A survey of computational intelligence for 6G: Key technologies, applications and trends[J]. IEEE Transactions on Industrial Informatics, 2021, 17(10): 7145–7154. doi: 10.1109/TII.2021.3052531
    [4] LIU Jiajia, SHI Yongpeng, FADLULLAH Z M, et al. Space-air-ground integrated network: A survey[J]. IEEE Communications Surveys & Tutorials, 2018, 20(4): 2714–2741. doi: 10.1109/COMST.2018.2841996
    [5] 唐清清, 李斌. 面向空天地一体化网络的移动边缘计算技术[J]. 无线电通信技术, 2021, 47(1): 25–35. doi: 10.3969/j.issn.1003-3114.2021.01.004

    TANG Qingqing and LI Bin. Overview of mobile edge computing in space-air-ground integrated network[J]. Radio Communications Technology, 2021, 47(1): 25–35. doi: 10.3969/j.issn.1003-3114.2021.01.004
    [6] XU Yongjun, GUI Guan, GACANIN H, et al. A survey on resource allocation for 5G heterogeneous networks: Current research, future trends, and challenges[J]. IEEE Communications Surveys & Tutorials, 2021, 23(2): 668–695. doi: 10.1109/COMST.2021.3059896
    [7] SHANG Bodong, YI Yang, and LIU Lingjia. Computing over space-air-ground integrated networks: Challenges and opportunities[J]. IEEE Network, 2021, 35(4): 302–309. doi: 10.1109/MNET.011.2000567
    [8] 宋政育, 郝媛媛, 孙昕. 低轨卫星协作边缘计算任务迁移和资源分配算法[J]. 电子学报, 2022, 50(3): 567–573. doi: 10.12263/DZXB.20201249

    SONG Zhengyu, HAO Yuanyuan, and SUN Xin. Computation offloading and resource allocation algorithm for collaborative LEO satellite multi-access edge computing[J]. Acta Electronica Sinica, 2022, 50(3): 567–573. doi: 10.12263/DZXB.20201249
    [9] 李安, 戴龙斌, 余礼苏, 等. 加权能耗最小化的无人机辅助移动边缘计算资源分配策略[J]. 电子与信息学报. 待发表.

    LI An, DAI Longbin, YU Lisu, et al. Resource allocation for unmanned aerial vehicle-assisted mobile edge computing to minimize weighted energy consumption[J]. Journal of Electronics & Information Technology. To be published.
    [10] 崔高峰, 徐媛媛, 张尚宏, 等. 基于最小能耗的多无人机无线网络安全数据卸载策略[J]. 通信学报, 2021, 42(5): 51–62.

    CUI Gaofeng, XU Yuanyuan, ZHANG Shanghong, et al. Secure data offloading strategy for multi-UAV wireless networks based on minimum energy consumption[J]. Journal on Communications, 2021, 42(5): 51–62.
    [11] XU Yu, ZHANG Tiankui, LIU Yuanwei, et al. UAV-assisted MEC networks with aerial and ground cooperation[J]. IEEE Transactions on Wireless Communications, 2021, 20(12): 7712–7727. doi: 10.1109/TWC.2021.3086521
    [12] SONG Zhengyu, HAO Yuanyuan, LIU Yuanwei, et al. Energy-efficient multiaccess edge computing for terrestrial-satellite internet of things[J]. IEEE Internet of Things Journal, 2021, 8(18): 14202–14218. doi: 10.1109/JIOT.2021.3068141
    [13] TANG Qingqing, FEI Zesong, LI Bin, et al. Computation offloading in LEO satellite networks with hybrid cloud and edge computing[J]. IEEE Internet of Things Journal, 2021, 8(11): 9164–9176. doi: 10.1109/JIOT.2021.3056569
    [14] JIA Ziye, SHENG Min, LI Jiandong, et al. LEO-satellite-assisted UAV: Joint trajectory and data collection for internet of remote things in 6G aerial access networks[J]. IEEE Internet of Things Journal, 2021, 8(12): 9814–9826. doi: 10.1109/JIOT.2020.3021255
    [15] WANG Ying, LI Zhendong, CHEN Yuanbin, et al. Joint resource allocation and UAV trajectory optimization for space–air–ground internet of remote things networks[J]. IEEE Systems Journal, 2021, 15(4): 4745–4755. doi: 10.1109/JSYST.2020.3019463
    [16] CHENG Nan, LYU F, QUAN Wei, et al. Space/Aerial-assisted computing offloading for IoT applications: A learning-based approach[J]. IEEE Journal on Selected Areas in Communications, 2019, 37(5): 1117–1129. doi: 10.1109/JSAC.2019.2906789
    [17] DING Changfeng, WANG Junbo, ZHANG Hua, et al. Joint optimization of transmission and computation resources for satellite and high altitude platform assisted edge computing[J]. IEEE Transactions on Wireless Communications, 2022, 21(2): 1362–1377. doi: 10.1109/TWC.2021.3103764
    [18] MAO Sun, HE Shunfan, and WU Jinsong. Joint UAV position optimization and resource scheduling in space-air-ground integrated networks with mixed cloud-edge computing[J]. IEEE Systems Journal, 2021, 15(3): 3992–4002. doi: 10.1109/JSYST.2020.3041706
  • 加载中
图(6) / 表(1)
计量
  • 文章访问数:  322
  • HTML全文浏览量:  69
  • PDF下载量:  139
  • 被引次数: 0
出版历程
  • 收稿日期:  2022-03-14
  • 修回日期:  2022-05-28
  • 网络出版日期:  2022-06-14
  • 刊出日期:  2022-09-19

目录

    /

    返回文章
    返回