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基于协作非正交多址的无人机辅助卫星通信系统中断性能分析

林敏 朱丽文 孔槐聪 郭克锋 欧阳键

林敏, 朱丽文, 孔槐聪, 郭克锋, 欧阳键. 基于协作非正交多址的无人机辅助卫星通信系统中断性能分析[J]. 电子与信息学报, 2022, 44(9): 3033-3042. doi: 10.11999/JEIT211289
引用本文: 林敏, 朱丽文, 孔槐聪, 郭克锋, 欧阳键. 基于协作非正交多址的无人机辅助卫星通信系统中断性能分析[J]. 电子与信息学报, 2022, 44(9): 3033-3042. doi: 10.11999/JEIT211289
LIN Min, ZHU Liwen, KONG Huaicong, GUO Kefeng, OUYANG Jian. Outage Performance Analysis of Unmanned Aerial Vehicle Assisted Satellite Communication System with Cooperative Non-Orthogonal Multiple Access[J]. Journal of Electronics & Information Technology, 2022, 44(9): 3033-3042. doi: 10.11999/JEIT211289
Citation: LIN Min, ZHU Liwen, KONG Huaicong, GUO Kefeng, OUYANG Jian. Outage Performance Analysis of Unmanned Aerial Vehicle Assisted Satellite Communication System with Cooperative Non-Orthogonal Multiple Access[J]. Journal of Electronics & Information Technology, 2022, 44(9): 3033-3042. doi: 10.11999/JEIT211289

基于协作非正交多址的无人机辅助卫星通信系统中断性能分析

doi: 10.11999/JEIT211289
基金项目: 国家自然科学基金(62001517),重点国际合作研究项目(61720106003),江苏省研究生科研与实践创新计划(KYCX21_0739),南京邮电大学引进人才科研启动基金(NY220111)
详细信息
    作者简介:

    林敏:男,教授,博士生导师,研究方向为无线通信系统、通信信号处理、天线新技术等

    朱丽文:女,硕士生,研究方向为卫星通信等

    孔槐聪:男,博士生,研究方向为无线通信、通信信号处理等

    郭克锋:男,讲师,研究方向为MIMO通信系统、卫星通信、多用户通信系统等

    欧阳键:男,副教授,研究方向为无线电网络、物理层安全技术、绿色通信技术等

    通讯作者:

    林敏 linmin@njupt.edu.cn

  • 中图分类号: TN927

Outage Performance Analysis of Unmanned Aerial Vehicle Assisted Satellite Communication System with Cooperative Non-Orthogonal Multiple Access

Funds: The National Natural Science Foundation of China(62001517), The Key International Cooperation Research Project(61720106003), The Postgraduate Research and Practice Innovation Program of Jiangsu Province (KYCX21_0739), NJUPTSF (NY220111)
  • 摘要: 针对无人机(UAV)辅助的卫星通信系统下行链路,该文研究了基于多天线波束成形和协作非正交多址(NOMA)技术相结合的多用户传输系统。首先,在UAV采用多天线和NOMA技术服务多个用户的情况下,基于用户平均信干噪比最大化准则,提出一种利用角度信息的波束成形方案。其次,在卫星-UAV链路服从相关阴影莱斯分布,而UAV-地面用户链路服从Nakagami-m分布的条件下,推导出系统的中断概率闭合表达式。然后,为了进一步分析系统性能,还推导了高信噪比条件下系统的中断概率近似表达式。最后,计算机仿真验证了理论分析的正确性和所提方案的优越性。
  • 图  1  系统模型图

    图  2  不同用户中断概率随发射功率P的变化情况

    图  3  不同发射功率P下用户${D_{2,3}}$中断概率随目标速率的变化情况

    图  4  无人机配置不同天线数下用户${D_{2,3}}$中断概率随发射功率P的变化情况

    图  5  用户${D_{2,1}}$中断概率随功率分配系数的变化情况

    表  1  系统的参数设置

    参数数值
    卫星波束最大增益$G_{\rm{S}}^{{\rm{max}}}{\text{ } }\left( { {\text{dB} } } \right)$53
    3 dB角度${\theta _{ { {\rm{S} } } ,3\;{\text{dB} } } }$(o)0.4
    带宽$B{\text{ }}\left( {{\text{MHz}}} \right)$5
    无人机与地面用户间距离${d_{l,n}}{\text{ }}\left( {\text{m}} \right)$500
    噪声温度$T{\text{ }}\left( {\text{K}} \right)$300
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-11-18
  • 修回日期:  2022-06-22
  • 网络出版日期:  2022-07-01
  • 刊出日期:  2022-09-19

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