Results 251 to 260 of about 12,804,341 (306)

Broadcast Secrecy Rate Maximization in UAV-Empowered IRS Backscatter Communications

IEEE Transactions on Wireless Communications, 2023
The backscatter communications (BackCom) and physical layer security are respected to realize extremely low-power secure communications in the imminent sixth generation (6G).
Shuai Han, Jinming Wang, Liang Xiao, Cheng Li   +3 more
semanticscholar   +1 more source

RIS-UAV Enabled Worst-Case Downlink Secrecy Rate Maximization for Mobile Vehicles

IEEE Transactions on Vehicular Technology, 2023
This paper considers worst-case downlink secure communication from base station (BS) to mobile legitimate vehicle at the presence of an eavesdropper, where reconfigurable intelligent surface mounted unmanned ariel vehicle (RIS-UAV) acts as an ariel ...
Xin Liu, Yingfeng Yu, Bao Peng, X. Zhai, Qiuming Zhu, Victor C. M. Leung   +5 more
semanticscholar   +1 more source

Secrecy Rate Maximization by Cooperative Jamming for UAV-Enabled Relay System With Mobile Nodes

IEEE Internet of Things Journal, 2023
In recent years, unmanned aerial vehicles (UAVs) have been widely used in wireless communications due to their low cost, small size, flexible deployment, and mobile controllability.
Mengmeng Shao, Junjie Yan, Xiaohui Zhao
semanticscholar   +1 more source

Secrecy Rate Maximization in THz-Aided Heterogeneous Networks: A Deep Reinforcement Learning Approach

IEEE Transactions on Vehicular Technology, 2023
Densely deployed femtocells in heterogeneous networks (HetNets) improve the quality-of-service (QoS) and quality-of-experience (QoE) for both next-generation networks and end users, respectively.
Himanshu Sharma, Neeraj Kumar, Ishan Budhiraja, A. Barnawi   +3 more
semanticscholar   +1 more source

Secrecy Rate Maximization in the Presence of Stacked Intelligent Metasurface

IEEE Transactions on Information Forensics and Security
Mohammad Reza Kavianinia, Abbas Mohammadi, Vahid Meghdadi   +2 more
semanticscholar   +2 more sources

Secrecy Rate Optimization in Nonlinear Energy Harvesting Model-Based mmWave IoT Systems With SWIPT

IEEE Systems Journal, 2022
Secrecy rate (SR) optimization in millimeter wave (mmWave) Internet of Things (IoT) systems with simultaneous wireless information and power transfer (SWIPT) is studied in this article.
Zhengyu Zhu, Mengyuan Ma, Gangcan Sun, Wanming Hao, Peijia Liu, Zheng Chu, Inkyu Lee   +6 more
semanticscholar   +1 more source

Multicast Secrecy Rate Maximization for Reconfigurable Intelligent Surface Backscatter Communication

IEEE Communications Letters, 2022
This letter innovatively studies a reconfigurable intelligent surface (RIS) backscatter multicast secrecy communication system. In this system, a RIS acts as a transmitter to multicast confidential information for multiple single-antenna legitimate users
Jinming Wang, Sai Xu, Shuai Han, Jingtao Li   +3 more
semanticscholar   +1 more source

QoS-Aware Secrecy Rate Maximization in Untrusted NOMA With Trusted Relay

IEEE Communications Letters, 2022
This letter considers a trusted decode-and-forward relay-assisted two-user non-orthogonal multiple access (NOMA) communication system, and tackles the secure rate maximization problem at the near user. The problem is solved optimally using KKT conditions,
Insha Amin, Deepak Mishra, R. Saini, S. Aïssa   +3 more
semanticscholar   +1 more source

Secrecy rate analysis for reconfigurable intelligent surface-assisted mimo communications with statistical CSI

China Communications, 2021
In this paper, a reconfigurable intelligent surface (RIS)-assisted MIMO wireless secure communication system is considered, in which a base station (BS) equipped with multiple antennas exploits statistical channel state information to communicate with a ...
Jie Liu, Jun Zhang, Qi Zhang, Jue Wang, Xinghua Sun   +4 more
semanticscholar   +1 more source

Secrecy Rate Optimizations for a MIMO Secrecy Channel With a Cooperative Jammer

IEEE Transactions on Vehicular Technology, 2015
In this paper, we study different secrecy rate optimization techniques for a multiple-input–multiple-output (MIMO) secrecy channel, where a multiantenna cooperative jammer is employed to improve secret communication in the presence of a multiantenna eavesdropper.
Chu Z, Cumanan K, Ding ZG, Johnston M, Le Goff SY   +4 more
openaire   +2 more sources