摘 要：文章研究了无人机在公网频谱共享下的接入与干扰管理，通过联合设计无人机轨迹与数据传输调度以最大限度降低无人机的任务信息传输时间，设计中充分考虑了无人机实际飞行约束以及地面基站的计算能力约束。然而，联合无人机轨迹和信息传输所建模的问题是非凸的，通常难以求出最优解。为此，提出了一种高效的求解算法以获得高质量的解决方案。最后，通过数值仿真得出，相较于基准方案，所提方案的无人机任务完成时间大大降低。
关键词：无人机专网通信；频谱共享；资源配置；轨迹设计；干扰管理
DOI:10.19850/j.cnki.2096-4706.2021.18.017
中图分类号：TN929.5 文献标识码：A 文章编号：2096-4706（2021）18-0064-04
Access and Interference Management of UAV-enabledn Non-public communication Network under Spectrum Sharing
LI Peiming1 , ZHOU Rui 2
(1.Guangdong University of Technology, Guangzhou 510006, China; 2.Shaanxi Normal University, Xi’an 710062, China)
Abstract: This paper studies the access and interference management of UAV non-public network under spectrum-sharing. We jointly design the UAV trajectory and data transmission scheduling to minimize the UAV's mission transmission time, considering the UAV's flight constraints and the computation power constraints of ground base station. However, the formulated problem is non-convex and difficult to be solved optimally. As such, we propose an efficient algorithm to obtain high-quality solutions. Finally, numerical results show that the proposed design significantly reduces the mission transmission time as compared to benchmark schemes.
Keywords: UAV non-public network communication; spectrum sharing; resource allocation; trajectory design; interference management
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作者简介：李培铭（1994—），男，汉族，广东汕头人，博士在读，研究方向：无线通信，无人机通信，凸优化理论在无线通信中的应用； 周睿（1990—），男，汉族，河北沧州人，网络工程师，博士在读， 研究方向：网络设计，建模优化算法。