@jnu.edu.cn
School of Intelligent Systems Science and Engineering
Jinan University
Scopus Publications
Scholar Citations
Scholar h-index
Scholar i10-index
Haoxuan Liu, Nan Qi, Kewei Wang, Theodoros A. Tsiftsis, Wenjing Wang, and Yawen Liu
Elsevier BV
Kefeng Guo, Haifeng Shuai, Kang An, Fuhui Zhou, Theodoros A. Tsiftsis, Xingwang Li, and Min Wu
Institute of Electrical and Electronics Engineers (IEEE)
Leila Tlebaldiyeva, Sultangali Arzykulov, Theodoros A. Tsiftsis, and Galymzhan Nauryzbayev
Elsevier BV
Nan Qi, Zhe Su, Wen-Jing Wang, Rugui Yao, and Theodoros A. Tsiftsis
Institute of Electrical and Electronics Engineers (IEEE)
Jinping Zhu, Yingyang Chen, Xinyue Pei, Tingrui Pei, Xiaofan Li, and Theodoros A. Tsiftsis
Institute of Electrical and Electronics Engineers (IEEE)
Kewei Wang, Nan Qi, Haoxuan Liu, Alexandros-Apostolos A. Boulogeorgos, Theodoros A. Tsiftsis, Ming Xiao, and Kai-Kit Wong
Institute of Electrical and Electronics Engineers (IEEE)
Vaibhav Sharma, Raviteja Allu, Sandeep Kumar Singh, Keshav Singh, Trung Q. Duong, and Theodoros A. Tsiftsis
Institute of Electrical and Electronics Engineers (IEEE)
Min Wu, Kefeng Guo, Xingwang Li, Zhi Lin, Yongpeng Wu, Theodoros A. Tsiftsis, and Houbing Song
Institute of Electrical and Electronics Engineers (IEEE)
Kefeng Guo, Haifeng Shuai, Xingwang Li, Liang Yang, Theodoros A. Tsiftsis, Arumugam Nallanathan, and Min Wu
Institute of Electrical and Electronics Engineers (IEEE)
Nikolaos I. Miridakis, Theodoros A. Tsiftsis, Panagiotis A. Karkazis, Helen C. Leligou, and Fotis Foukalas
Institute of Electrical and Electronics Engineers (IEEE)
Hongjiang Lei, Fangtao Yang, Hongwu Liu, Imran Shafique Ansari, Kyeong Jin Kim, and Theodoros A. Tsiftsis
Institute of Electrical and Electronics Engineers (IEEE)
Miaomiao Zhu, Kefeng Guo, Yinghui Ye, Liang Yang, Theodoros A. Tsiftsis, and Hongwu Liu
Institute of Electrical and Electronics Engineers (IEEE)
Tong Li, Rugui Yao, Ye Fan, Xiaoya Zuo, N. I. Miridakis, and T. A. Tsiftsis
Institute of Electrical and Electronics Engineers (IEEE)
Zhiqiang Liu, Di Zhang, Jingjing Guo, Theodoros A. Tsiftsis, Yuwei Su, Battulga Davaasambuu, Sahil Garg, and Takuro Sato
Institute of Electrical and Electronics Engineers (IEEE)
Rugui Yao, Yongsong Yu, Peng Wang, Ye Fan, Xudong Li, Xiaoya Zuo, Nan Qi, Nikolaos I. Miridakis, and Theodoros A. Tsiftsis
Institution of Engineering and Technology (IET)
Hongjiang Lei, Fangtao Yang, Imran Shafique Ansari, Hongwu Liu, Kyeong Jin Kim, and Theodoros A. Tsiftsis
Institute of Electrical and Electronics Engineers (IEEE)
Liang Yang, Wei Zhang, Petros S. Bithas, Hongwu Liu, Mazen O. Hasna, Theodoros A. Tsiftsis, and Derrick Wing Kwan Ng
Institute of Electrical and Electronics Engineers (IEEE)
Qiang Sun, Hongwu Liu, Shen Yan, Theodoros A. Tsiftsis, and Jinhong Yuan
Institute of Electrical and Electronics Engineers (IEEE)
Peixu Liu, Gang Jing, Hongwu Liu, Liang Yang, and Theodoros A. Tsiftsis
Elsevier BV
Pengxu Chen, Hongwu Liu, Yinghui Ye, Liang Yang, Kyeong Jin Kim, and Theodoros A. Tsiftsis
Institute of Electrical and Electronics Engineers (IEEE)
Xingwang Li, Qunshu Wang, Ming Zeng, Yuanwei Liu, Shuping Dang, Theodoros A. Tsiftsis, and Octavia A. Dobre
Institute of Electrical and Electronics Engineers (IEEE)
Haifeng Shuai, Kefeng Guo, Kang An, Yuzhen Huang, Theodoros A. Tsiftsis, and Shibing Zhu
Institute of Electrical and Electronics Engineers (IEEE)
Haoyu You, Zhiquan Bai, Hongwu Liu, Theodoros A. Tsiftsis, and Kyung Sup Kwak
Institute of Electrical and Electronics Engineers (IEEE)
Muthukrishnan Senthil Kumar, Aresh Dadlani, Masoumeh Moradian, Ahmad Khonsari, and Theodoros A. Tsiftsis
Institute of Electrical and Electronics Engineers (IEEE)
Pengxu Chen, Fengcheng Xiao, Liang Yang, Theodoros A. Tsiftsis, and Hongwu Liu
IEEE
In this paper, an active reconfigurable intelligent surface (RIS) is deployed to assist covert communications in a non-orthogonal multiple access (NOMA) inspired integrated sensing and communication (ISAC) system. With the aid of the active RIS, a dual-function base-station (BS) serves a public user and a covert user under the NOMA principles while sensing multiple targets by using the superimposed sensing and communication signal. To maximize the covert rate of the NOMA-inspired ISAC (NOMA-ISAC) system, transmission beamforming at BS and reflection beamforming at active RIS are jointly optimized subject to QoS requirements of the NOMA public user, sensing beampattern similarity constraint, and covertness level against the warden. To tackle the optimization variables coupled in the objective function and constraints, an alternating optimization algorithm is proposed, while the resulted non-convex fractional programming subproblems of transmission and reflection beamforming optimizations are solved by exploiting a penalized Dinkelbach transformation to obtain a high-quality rank-one solution. Numerical results demonstrate that the active RIS-assisted NOMA-ISAC scheme outperforms the passive RIS-assisted counterpart in terms of the covert rate and sensing beampattern similarity.