{"title":"无人机辅助通信系统的安全能效研究","authors":"茂林 杨, 静 高, 俊驰 马, 浩楠 孙, 冰雁 陈","doi":"10.55375/cps.2023.3.4","DOIUrl":"https://doi.org/10.55375/cps.2023.3.4","url":null,"abstract":"无人机(Unmanned aerial vehicle, UAV)辅助通信技术凭借其灵活的部署和配置、高度的机动性以及强大的自适应能力而备受关注。如何提高无人机信息传输的安全性和能量效率一直是研究重点。本文考虑无人机辅助通信中的窃听场景,通过交替优化无人机的飞行轨迹和发射功率来实现无人机与地面终端的安全节能通信,定义安全能效为性能指标,即服务时长内无人机推进能量消耗下的总保密率。由于目标函数非凸,首先将其分解为固定功率下的轨迹设计问题和固定轨迹下的功率分配问题两个子问题,然后使用凹凸过程(concave-convex process, CCCP)将子问题近似为凸优化问题,提出了一种基于顺序凸规划(sequential convex programming, SCP)的迭代算法。最后,通过交替优化子问题来得到原问题的解。仿真结果表明,本文提出的方法可以有效地提高系统的安全容量和安全能效。","PeriodicalId":69833,"journal":{"name":"计算机科学","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46891083","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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