Results 71 to 80 of about 465 (189)
Safe and Quickest Medical Image Encryption Using Logistic Map Derived S‐Boxes and Galois Field
Computational and Mathematical Methods, Volume 2026, Issue 1, 2026.The pseudorandomness, simplicity of use, and extreme sensitivity to even the slightest change in the initial value and handling parameters make chaotic maps attractive. The use of medical imaging to diagnose illnesses has grown in significance. These photographs need strong security measures because they are exchanged over public networks.
Mahwish Bano +5 more
wiley +1 more source
Secrecy Rate Analysis against Aerial Eavesdropper
, 2019 © 2019 IEEE. This paper studies the threat that an aerial eavesdropper can pose to terrestrial wireless communications, from an information-theoretic point of view.
Yuan, X +5 more
core +1 more source
Secure Wireless Information and Power Transfer Based on Tilt Adaptation in 3-D Massive MIMO Systems
IEEE Access, 2019 In this paper, we investigate a secure transmission algorithm exploiting the vertical domain for simultaneous wireless information and power transfer (SWIPT) in a massive multiple-input multiple-output system over Rician fading channels. Each user adopts
Lixing Fan +3 more
doaj +1 more source
Computational and Mathematical Methods, Volume 2026, Issue 1, 2026.A dynamical system is studied such that belongs to a class of Buslaev nets. This class contains traffic models with complex network structure. We provide results for a more general system than the system that was in consideration earlier. A new version of model has been provided.
Marina Yashina +3 more
wiley +1 more source
Secure Performance Analysis of Satellite-Terrestrial Networks-Assisted Backscatter Device
Jordanian Journal of Computers and Information TechnologyThis study investigates the secrecy performance of a satellite–backscatter device communication system in the presence of a potential eavesdropper.
Hong Nhu Nguyen +4 more
doaj +1 more source
Artificial Noise Aided Precoding With Imperfect CSI in Full-Duplex Relaying Secure Communications
IEEE Access, 2018 In Rayleigh fading channels, to enhance the secrecy performance of wireless communication systems and efficiently disturb the interception of eavesdroppers, the multiple-antenna source node utilizes the artificial noise aided precoding (ANP) strategy ...
Yuanjian Li +4 more
doaj +1 more source
Journal of Control Science and Engineering, Volume 2026, Issue 1, 2026.Given the explosive increase in mobile data traffic, the wireless communication system of today and beyond has to be able to offer both high spectral efficiency and energy efficiency (EE) under challenging propagation environments such as deep indoor, high‐speed mobility, or tunneling. This work presents an improved structure of doing SIMO SC‐FDMA–DMWT
Mohammed Aboud Kadhim +3 more
wiley +1 more source
On the Secrecy Performance of Interference Exploitation with PSK: A non-Gaussian Signaling Analysis [PDF]
, 2021 Interference exploitation has recently been shown to provide significant security benefits in multi-user communication systems. In this technique, the known interference is designed to be constructive to the legitimate users and disruptive to the ...
Wong, KK, Salem, A, Masouros, C
core
Performance Analysis of Power Control Algorithms in Uplink Cell‐Free Massive MIMO Systems
Journal of Engineering, Volume 2026, Issue 1, 2026.Cellular massive multiple input multiple output (MIMO) technology has revolutionized wireless communication by enhancing spectral efficiency (SE). However, its ability to meet the growing data rate demands of future networks beyond fifth generation (5G) is limited by challenges like intercell interference.
Abera Sitotaw Mersha +3 more
wiley +1 more source
Digital Communications and Networks, 2019 Massive Multiple Input Multiple Output (MIMO) has been considered as an emerging technology to enhance the spectral and energy efficiency for the upcoming wireless communication systems.
Kishan Neupane, Rami J. Haddad
doaj +1 more source