Results 71 to 80 of about 11,712 (147)

Quantum Algorithms for the Physical Layer: Potential Applications to Physical Layer Security

IEEE Access
The field of quantum technologies has garnered considerable interest and witnessed noteworthy progress in recent years. It is also anticipated that these technologies will continue to flourish and exert a considerable influence on society, i.e., a ...
Toshiki Matsumine, Hideki Ochiai, Junji Shikata   +2 more
doaj   +1 more source

Physical layer security and covert communication in UAV-ISAC networks: A comprehensive survey

Journal of King Saud University: Computer and Information Sciences
Under the rapid development of the low-altitude economy, while unmanned aerial vehicle-assisted integrated sensing and communication (UAV-ISAC) significantly enhances perception accuracy and communication reliability in dynamic network environments, it ...
Haowen Yang, Yuan Liu, Xuran Li, Zhiquan Bai, Liang Yang, Gaofeng Pan, Hongwu Liu   +6 more
doaj   +1 more source

Physical layer security for SWIPT-NOMA system in presence of randomly located eavesdroppers

Dianxin kexue, 2022
The combination of non-orthogonal multiple access (NOMA) and simultaneous wireless information and power transfer (SWIPT) technologies can improve spectrum efficiency of wireless system and solve the power supply problem of user nodes.However, when ...
Yifan DING, Guangqiu LI, Hui LI
doaj   +2 more sources

A Survey on Physical Layer Security of Ultra/Hyper Reliable Low Latency Communication in 5G and 6G Networks: Recent Advancements, Challenges, and Future Directions

IEEE Access
Ultra-reliable low latency communication (URLLC) is an innovative service offered by fifth-generation (5G) wireless systems. URLLC enables various mission-critical applications by facilitating reliable and low-latency signal transmission.
Annapurna Pradhan, Susmita Das, Md Jalil Piran, Zhu Han   +3 more
doaj   +1 more source

Secure Cooperative Communications in 6G Networks: A Constrained Hierarchical Reinforcement Learning Framework with Hybrid Action Space

Entropy
With the rapid evolution toward 6G networks, ensuring robust physical layer security (PLS) in highly dynamic and heterogeneous wireless environments has become a key challenge. Traditional security methods often struggle to adapt to time-varying channels,
Xiaosi Tian, Zulin Wang, Yuanhan Ni
doaj   +1 more source

Advanced Security Framework for 6G Networks: Integrating Deep Learning and Physical Layer Security

Network
This paper presents an advanced framework for securing 6G communication by integrating deep learning and physical layer security (PLS). The proposed model incorporates multi-stage detection mechanisms to enhance security against various attacks on the 6G
Haitham Mahmoud, Tawfik Ismail, Tobi Baiyekusi, Moad Idrissi   +3 more
doaj   +1 more source

Secure transmission in backhaul NOMA systems: A physical layer security design with untrusted user and eavesdropper

Digital Communications and Networks
In order to improve the Physical Layer Security (PLS) perspective, this paper aims to empower function of PLS by considering a backhaul Non-Orthogonal Multiple Access (NOMA) system in two practical situations.
Chi-Bao Le, Dinh-Thuan Do, Miroslav Voznak   +2 more
doaj   +1 more source

Multi-Eavesdropper Detection Through PHY-Aware Cell-Free AP Selection

IEEE Access
The ability to provide reliable data rates across several coverage areas establishes massive multiple-input multiple-output (m-MIMO) cell-free (CF) systems as a pivotal technology for future sixth-generation (6G) systems.
Joao Martins, Filipe Conceicao, Marco Gomes, Vitor Silva, Rui Dinis   +4 more
doaj   +1 more source

Secrecy Capacity and Efficiency Outage Analysis of Cooperative PHY-Secure Wireless Systems and Secrecy Capacity-Based RIS Design

IEEE Access
Physical layer (PHY) security (PLS) leverages the inherent randomness of wireless fading channels to provide enhanced secrecy capacity. In this work, we consider a four-node, dual hop, eavesdropper-aware cooperative PHY-security model.
Tarun Jain, Sainath Bitragunta, Ashutosh Bhatia   +2 more
doaj   +1 more source

Trajectory Optimization for UAV-Aided IoT Secure Communication Against Multiple Eavesdroppers

Future Internet
This study concentrates on physical layer security (PLS) in UAV-aided Internet of Things (IoT) networks and proposes an innovative approach to enhance security by optimizing the trajectory of unmanned aerial vehicles (UAVs).
Lingfeng Shen, Jiangtao Nie, Ming Li, Guanghui Wang, Qiankun Zhang, Xin He   +5 more
doaj   +1 more source