Results 1 to 10 of about 774,525 (334)

Enhancing Secure Energy Efficiency of SWIPT IoT Network Considering IRS and Artificial-Noise: A Deep Learning Approach

IEEE Access
Internet of things (IoT) networks connect sensing devices to the Internet for tasks like tracking, monitoring, and data analysis. However, the large data generated, especially in resource-heavy services, challenges energy efficiency (EE) and security ...
Kimchheang Chhea, Jung-Ryun Lee
doaj   +1 more source

The Secrecy Capacity Optimization Artificial Noise: A New Type of Artificial Noise for Secure Communication in MIMO System

IEEE Access, 2019
In multiple-input multiple-output wireless communication system, artificial noise (AN) is designed to be aligned into the null space of the legitimate channel so that it has no effect on the legitimate channel.
Yebo Gu, Zhilu Wu, Zhendong Yin, Xiaojun Zhang   +3 more
doaj   +1 more source

Cooperative Secret Communication with Artificial Noise in Symmetric Interference Channel

, 2010
We consider the symmetric Gaussian interference channel where two users try to enhance their secrecy rates in a cooperative manner. Artificial noise is introduced along with useful information.
Mo, Jianhua, Tao, Meixia, Zhu, Jingge
core   +1 more source

Noise Optimization for Artificial Neural Networks

, 2021
Se ha demostrado que la adición de ruidos a la red neuronal artificial (ANN) puede mejorar la solidez en trabajos anteriores. En este trabajo, proponemos una nueva técnica para calcular la estimación del gradiente estocástico Pathwise con respecto a la desviación estándar del ruido gaussiano añadido a cada neurona de la ANN.
Li Xiao, Zeliang Zhang, Yijie Peng
openaire   +2 more sources

Physical-Layer Security Enhancement for UAV Downlink Communication Using Joint Precoding and Artificial Noise Design in Generalized Spatial Directional Modulation

Drones
This paper proposes a novel joint precoding and artificial noise design framework for generalized spatial directional modulation (AN-GSDM) in unmanned aerial vehicle (UAV) communications, aimed at enhancing the physical-layer security of downlink UAV ...
Xianglu Li, Youyang Xiang, Jie Zhou, Ying Luo, Qilong Du, Dong Hou, Jie Tian   +6 more
doaj   +1 more source

On physical‐layer security for primary system in underlay cognitive radio networks

IET Networks, 2018
In this study, the authors consider the physical‐layer security for transmission in underlay cognitive radio networks, where consisting of a primary source–destination pair, a secondary transmitter–receiver pair and a common eavesdropper (E). To transmit
Ping Xie, Moli Zhang, Gaoyuan Zhang, Ruijuan Zheng, Ling Xing, Qingtao Wu   +5 more
doaj   +1 more source

Improving Secrecy for Correlated Main and Wiretap Channels Using Cooperative Jamming

IEEE Access, 2019
To reduce the secrecy loss due to the correlation between main and wiretap channels, this paper introduces a cooperative jamming relay to degrade the reception at the eavesdropper.
Sai Xu, Shuai Han, Weixiao Meng, Zhiqiang Li, Cheng Li, Chengwen Zhang   +5 more
doaj   +1 more source

Artificial noise assisted secure interference networks with wireless power transfer [PDF]

, 2017
Interference alignment (IA) is a remarkable technique to manage interference, and artificial noise (AN) can be utilized to combat one main threat of security, passive eavesdropping.
Cao, Yang, Chen, Yunfei, Jin, Minglu, Leung, Victor, Richard Yu, F., Zhao, Nan   +5 more
core   +1 more source

GPI-Based Secrecy Rate Maximization Beamforming Scheme for Wireless Transmission With AN-Aided Directional Modulation

IEEE Access, 2018
In a directional modulation network, a general power iterative (GPI) based beamforming scheme is proposed to maximize the secrecy rate (SR), where there are two optimization variables required to be optimized. The first one is the useful precoding vector
Hai Yu, Simin Wan, Wenlong Cai, Ling Xu, Xiaobo Zhou, Jin Wang, Yongpeng Wu, Feng Shu, Jiangzhou Wang, Jianxin Wang   +9 more
doaj   +1 more source

Novel Noise Injection Scheme to Guarantee Zero Secrecy Outage under Imperfect CSI

Entropy, 2023
The paper proposes a novel artificial noise (AN) injection strategy in multiple-input single-output multiple-antenna-eavesdropper (MISOME) systems under imperfect channel estimation at the legitimate channel to achieve zero secrecy outage probability ...
Hien Q. Ta, Lam Cao, Hoon Oh
doaj   +1 more source