BIOS辅助的无人机通信系统的联合优化  

Joint optimization on UAV communication system assisted by BIOS

作　　者：范雨豪 唐菁敏[1] 宋耀莲[1] FAN Yuhao;TANG Jingmin;SONG Yaolian(Faculty of Information Engineering and Automation,Kunming University of Science and Technology,Kunming 650504,China)

机构地区：[1]昆明理工大学信息工程与自动化学院,云南昆明650504

出　　处：《陕西理工大学学报（自然科学版）》2024年第4期30-37,共8页Journal of Shaanxi University of Technology:Natural Science Edition

基　　金：国家自然科学基金项目(62261056)。

摘　　要：智能全表面作为可重构智能反射面的重要成员,因其能够同时服务于超表面两侧的用户设备而受到了越来越多的关注。为了解决城市场景中无人机与地面用户设备受到障碍物阻挡的问题,研究了一种基于双层智能全表面(BIOS)辅助的无人机通信系统的联合优化,目标是通过联合BIOS的两个相移设计和无人机飞行轨迹设计最大化所有用户的和速率。虽然由于其非凸性而难以求解最优解,但为了解决该问题,提出了有效的算法来获得高质量的次优解。仿真表明,BIOS相对于传统的智能反射面辅助无人机通信,用户设备的和速率显著提高。As an important member of the reconfigurable intelligent reflector,intelligent full-surface has attracted more and more attention because of its ability to serve both sides of the metasurface.In order to solve the problem that the unmanned aerial vehicle(UAV)and ground user equipment are blocked by obstacles in urban scenes,a BIOS-based joint optimization of UAV communication system is studied.The goal is to maximize the sum rate of all users through the two phase shift design of the joint BIOS and the UAV flight trajectory design.Although it is difficult to solve the optimal solution due to its non-convexity,in order to solve this problem,an efficient algorithm is proposed to obtain high-quality sub-optimal solutions.The simulation results show that compared with the traditional intelligent reflector assisted UAV communication,the BIOS can significantly improve the user equipment and speed.

关 键 词：无人机通信 可重构智能反射面 轨迹优化 相移优化 

分 类 号：TN928[电子电信—通信与信息系统]