[1] C. E. Shannon, “Communication theory of secrecy systems,” Bell. Syst. Techn. J., vol. 28, no. 4, pp. 656–715, Oct. 1949.
[2] N. Yang, L. Wang, G. Geraci, M. Elkashlan, J. Yuan, and M. D. Renzo, “Safeguarding 5G wireless
communication networks using physical layer security,” IEEE Commun. Mag., vol. 53, no. 4, pp. 20–27, Apr. 2015.
[3] A. D. Wyner, “The wire-tap channel,” Bell Syst. Techn. J., vol. 54, no. 8, pp. 1355–1387, Oct. 1975.
[4] A. Khisti and G. Wornell, “Secure transmission with multiple antennas I: The MISOME wiretap channel,” IEEE Trans. Inf. Theory, vol. 56, no. 7, pp. 3088–3104, Jul. 2010.
[5] A. Khisti and G. W. Wornell, “Secure transmission with multiple antennas—Part II: The MIMOME wiretap channel,” IEEE Trans. Inf. Theory, vol. 56, pp. 5515–5532, Nov. 2010.
[6] T. Lv, H. Gao, and S. Yang, “Secrecy transmit beamforming for heterogeneous networks,” IEEE J. Sel. Areas Commun., vol. 33, no. 6, pp. 1154–1170, Jun. 2015.
[7] N. Yang, P. L. Yeoh, M. Elkashlan, R. Schober, and I. B. Collings, “Transmit antenna selection for security enhancement in MIMO wiretap channels,” IEEE Trans. Commun., vol. 61, no. 1, pp. 144–154, Jan. 2013.
[8] H. Alves, R. D. Souza, M. Debbah, and M. Bennis, “Performance of transmit antenna selection physical layer security schemes,” IEEE Signal Process. Lett., vol. 19, no. 6, pp. 372–375, Jun. 2012.
[9] H. M. Wang, F. Liu, and M. Yang, “Joint cooperative beamforming, jamming, and power allocation to secure AF relay systems,” IEEE Trans. Veh. Technol., vol. 64, no. 10, pp. 4893–4898, Oct. 2015.
[10] T. Lv, Y. Yin, Y. Lu, S. Yang, E. Liu, and G. Clapworthy, “Physical detection of misbehavior in relay systems with unreliable channel state information,” IEEE J. Sel. Areas Commun., vol. 36, no. 7, pp. 1517–1530, Jul. 2018.
[11] M. Ragheb, S. M. S. Hemami, A. Kuhestani, D. W. K. Ng and L. Hanzo, “On the Physical Layer Security of Untrusted Millimeter Wave Relaying Networks: A Stochastic Geometry Approach,” IEEE Transactions on Information Forensics and Security, vol. 17, pp. 53-68, 2022.
[12] M. Letafati, A. Kuhestani, and H. Behroozi, “Three-hop untrusted relay networks with hardware imperfections and channel estimation errors for Internet of Things,” IEEE Trans. Inf. Forensics Security, vol. 15, pp. 2856–2868, 2020.
[13] Z. Liu, J. Liu, Y. Zeng, and J. Ma, “Covert wireless communication in IoT network: From AWGN channel to THz band,” IEEE Internet Things J., vol. 7, pp. 3378–3388, 2020.
[14] Z. Liu, J. Liu, Y. Zeng, and J. Ma, “Covert wireless communications in IoT: Hiding information in interference,” IEEE Wireless Commun., vol. 25, pp. 46–52, 2018.
[15] H. Wang, Y. Zhang, X. Zhang, and Z. Li, “Secrecy and covert communications against UAV surveillance via multi-hop networks,” IEEE Trans. Commun., vol. 68, no. 1, pp. 389–401, Jan. 2020.
[16] X. Zhou, S. Yan, J. Hu, J. Sun, J. Li, and F. Shu, “Joint optimization of a UAV’s trajectory and transmit power for covert communications,” IEEE Trans. Signal Process., vol. 67, no. 16, pp. 4276–4290, Aug. 2019.
[17] J. Wang, W. Tang, Q. Zhu, X. Li, H. Rao, and S. Li, “Covert communication with the help of relay and channel uncertainty,” IEEE Wireless Commun. Lett., vol. 8, no. 1, pp. 317–320, Feb. 2019.
[18] M. Forouzesh, P. Azmi, A. Kuhestani, and P. L. Yeoh, “Covert communication and secure transmission over untrusted relaying networks in the presence of multiple wardens,” IEEE Trans. Commun., vol. 68, no. 6, pp. 3737–3749, Jun. 2020.
[19] C. Studer, M. Wenk, and A. Burg, “MIMO transmission with residual transmit-RF impairments,” Smart Antennas (WSA), 2010 International ITG Workshop, pp. 189–196, IEEE, 2010.
[20] V. Shahiri, A. Kuhestani and L. Hanzo, "Short-Packet Amplify-and-Forward Relaying for the Internet-of-Things in the Face of Imperfect Channel Estimation and Hardware Impairments," IEEE Transactions on Green Communications and Networking, vol. 6, no. 1, pp. 20-36, March 2022.
[21] M. Ragheb, A. Kuhestani, M. Kazemi, H. Ahmadi and L. Hanzo, "RIS-Aided Secure Millimeter-Wave Communication Under RF-Chain Impairments," IEEE Transactions on Vehicular Technology, vol. 73, no. 1, pp. 952-963, Jan. 2024.
[22] A. Boulogeorgos, D. Karas, and G. Karagiannidis, “How much does I/Q imbalance affect secrecy capacity?” IEEE Communications Letters, 20(7):1305–1308, 2016.
[23] J. Zhu, R. Schober, and V. Bhargava, “PLS for massive MIMO systems impaired by phase noise,” 17th International Workshop in Signal Processing Advances in Wireless Communications (SPAWC), 2016 IEEE, pp. 1–5. 2016.
[24] W. Zhang and L. Yang, “Covert transmission of RIS-aided communication networks in the presence of imperfect CSI and hardware impairments,” 2023 IEEE/CIC International Conference on Communications in China, pp. 1-5, 2024.
[26] V. Shahiri, M. Forouzesh, H. Behroozi, A. Kuhestani and K. -K. Wong, “Deep learning aided secure transmission in wirelessly powered untrusted relaying in the face of hardware impairments,” IEEE Open Journal of the Communications Society, vol. 5, pp. 2196-2210, May 2024.
[27] Z. Ezzati, A. Mohammadi, V. Pourahmadi, and A. Kuhestani, “A machine learning multi-hop physical layer authentication with hardware impairments,” vol. 30, pp. 1453–1464, 2024.