[1] JIA Xiangdong,YANG Longxiang,ZHU Hongbo.Cognitive opportunistic relaying systems with mobile nodes:average outage rates and outage durations[J].IET Communications,2014,8(6):789-799. [2] XIE Chengjing.Physical layer security algorithms in cognitive radio network based on secrecy rate maximization[D].Chongqing:Chongqing University of Posts and Telecommunications,2016.(in Chinese)谢成静.基于保密速率最大化的认知无线电网络物理层安全算法[D].重庆:重庆邮电大学,2016. [3] XU Mi.Research on secure transmission problem in cooperative cognitive radio network[D].Beijing:Beijing Jiaotong University,2019.(in Chinese)许密.协作认知无线电网络中的安全传输问题研究[D].北京:北京交通大学,2019. [4] JIA Xiangdong,DENG Pengfei,YANG Longxiang,et al.Study on cognitive DF relaying cooperation with the mutual interference between primary and secondary users over Nakagami-m fading channels[J].International Journal of Communication Systems,2016,29(3):579-601. [5] WANG Dong,LI Yongcheng,BAI Bo,et al.Research on energy-efficient physical-layer secure transmission mechanism in decode-and-forward cooperative networks[J].Journal on Communications,2017,38(1):89-96.(in Chinese)王东,李永成,白铂,等.解码转发协作通信网中能效最优的物理层安全传输机制研究[J].通信学报,2017,38(1):89-96. [6] XU Mi,JING Tao,FAN Xin,et al.Secure transmission solutions in energy harvesting enabled cooperative cognitive radio networks[C]//Proceedings of 2018 IEEE Wireless Communications and Networking Conference.Washington D.C.,USA:IEEE Press,2018:1-6. [7] HE Y Y,EVANS J,DEY S.Secrecy rate maximization for cooperative overlay cognitive radio networks with artificial noise[C]//Proceedings of 2014 IEEE International Conference on Communications.Washington D.C.,USA:IEEE Press,2014:1663-1668. [8] NGUYEN V D,DUONG T Q,DOBRE O A,et al.Joint information and jamming beamforming for secrecy rate maximization in cognitive radio networks[J].IEEE Transactions on Information Forensics and Security,2016,11(11):2609-2623. [9] ZHANG Long,ZHAO Hui,HOU Shuai,et al.A survey on 5G millimeter wave communications for UAV-assisted wireless networks[J].IEEE Access,2019,7:117460-117504. [10] ZENG Y,ZHANG R,LIM T J.Wireless communications with unmanned aerial vehicles:opportunities and challenges[J].IEEE Communications Magazine,2016,54(5):36-42. [11] MOZAFFARI M,SAAD W,BENNIS M,et al.A tutorial on UAVs for wireless networks:applications,challenges,and open problems[J].IEEE Communications Surveys & Tutorials,2018,21(3):1-5. [12] LI An,WU Qingqing,ZHANG Rui.UAV-enabled cooperative jamming for improving secrecy of ground wiretap channel[J].IEEE Wireless Communications Letters,2018,8(1):181-184. [13] WANG Qian,CHEN Zhi,LI Hang,et al.Joint power and trajectory design for physical-layer secrecy in the UAV-aided mobile relaying system[J].IEEE Access,2018,6:62849-62855. [14] WANG Qian,CHEN Zhi,MEI Weidong,et al.Improving physical layer security using UAV-enabled mobile relaying[J].IEEE Wireless Communications Letters,2017,6(3):310-313. [15] LEE H,EOM S,PARK J,et al.UAV-aided secure communications with cooperative jamming[J].IEEE Transactions on Vehicular Technology,2018,67(10):9385-9392. [16] ZHANG Shuhang,ZHANG Hongliang,HE Qichen,et al.Joint trajectory and power optimization for UAV relay networks[J].IEEE Communications Letters,2017,22(1):161-164. [17] HUANG Yuwei,MEI Weidong,XU Jie,et al.Cognitive UAV communication via joint maneuver and power control[J].IEEE Transactions on Communications,2019,67(11):1-5. [18] WANG Chen,ZHANG Linghua.An improved centroid localization algorithm based on optimized artificial fish swarm algorithm[J].Computer Technology and Development,2018,28(5):103-106. 汪晨,张玲华.基于人工鱼群算法的改进质心定位算法[J].计算机技术与发展, 2018, 28(5):103-106. [19] NGUYEN P X,NGUYEN H V,NGUYEN V D,et al.UAV-enabled jamming noise for achieving secure communications in cognitive radio networks[C]//Proceedings of the 16th IEEE Annual Consumer Communications and Networking Conference.Washington D.C.,USA:IEEE Press,2019:1-6. [20] MARKS B R,WRIGHT G P.A general inner approximation algorithm for nonconvex mathematical programs[J].Operations Research,1978,26(4):681-683. [21] NGUYEN V D,TUAN H D,DUONG T Q,et al.Precoder design for signal superposition in MIMO-NOMA multicell networks[J].IEEE Journal on Selected Areas in Communications,2017,35(12):2681-2695. |