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This letter investigates the physical layer security in a wireless cooperative network where communication is assisted by a full-duplex (FD) untrusted relay in the presence of multiple external eavesdroppers. A cluster-based colluding…

Information Theory · Computer Science 2018-03-08 Ahmed El Shafie , Asma Mabrouk , Kamel Tourki , Naofal Al-Dhahir , Mazen O. Hasna

In this paper, we investigate secure transmission over the large-scale multiple-antenna wiretap channel with finite alphabet inputs. First, we investigate the case where instantaneous channel state information (CSI) of the eavesdropper is…

Information Theory · Computer Science 2017-04-26 Yongpeng Wu , Jun-Bo Wang , Jue Wang , Robert Schober , Chengshan Xiao

Recently proliferated deep learning-based semantic communications (DLSC) focus on how transmitted symbols efficiently convey a desired meaning to the destination. However, the sensitivity of neural models and the openness of wireless…

Cryptography and Security · Computer Science 2024-12-02 Yankai Rong , Guoshun Nan , Minwei Zhang , Sihan Chen , Songtao Wang , Xuefei Zhang , Nan Ma , Shixun Gong , Zhaohui Yang , Qimei Cui , Xiaofeng Tao , Tony Q. S. Quek

A visible light communication broadcast channel is considered, in which a transmitter luminaire communicates with two legitimate receivers in the presence of an external eavesdropper. A number of trusted cooperative half-duplex relay…

Information Theory · Computer Science 2019-05-13 Ahmed Arafa , Erdal Panayirci , H. Vincent Poor

Unmanned aerial vehicle (UAV) communication is anticipated to be widely applied in the forthcoming fifth-generation (5G) wireless networks, due to its many advantages such as low cost, high mobility, and on-demand deployment. However, the…

Information Theory · Computer Science 2019-01-01 Guangchi Zhang , Qingqing Wu , Miao Cui , Rui Zhang

At the confluence of 6G, deep learning (DL), and natural language processing (NLP), DL-enabled text semantic communication (SemCom) has emerged as a 6G enabler since it minimizes bandwidth consumption, transmission delay, and power usage.…

Signal Processing · Electrical Eng. & Systems 2024-08-27 Tilahun M. Getu , Georges Kaddoum , Mehdi Bennis

In this work, an eavesdropping-aware routing and spectrum allocation approach is proposed utilizing network coding (NC) in elastic optical networks (EONs). To provide physical layer security in EONs and secure the confidential connections…

Networking and Internet Architecture · Computer Science 2022-11-04 Giannis Savva , Konstantinos Manousakis , Georgios Ellinas

Integrating unmanned aerial vehicles (UAVs) into future wireless systems such as the fifth-generation (5G) cellular network is anticipated to bring significant benefits for both UAV and telecommunication industries. Generally speaking, UAVs…

Information Theory · Computer Science 2019-07-25 Qingqing Wu , Weidong Mei , Rui Zhang

Embedded Network Stacks (ENS) enable low-resource devices to communicate with the outside world, facilitating the development of the Internet of Things and Cyber-Physical Systems. Some defects in ENS are thus high-severity cybersecurity…

Software Engineering · Computer Science 2023-08-23 Paschal C. Amusuo , Ricardo Andrés Calvo Méndez , Zhongwei Xu , Aravind Machiry , James C. Davis

We propose a transformation network for generating visually-protected images for privacy-preserving DNNs. The proposed transformation network is trained by using a plain image dataset so that plain images are transformed into visually…

Image and Video Processing · Electrical Eng. & Systems 2020-08-10 Hiroki Ito , Yuma Kinoshita , Hitoshi Kiya

Whereas traditional cryptography encrypts a secret message into an unintelligible form, steganography conceals that communication is taking place by encoding a secret message into a cover signal. Language is a particularly pragmatic cover…

Computation and Language · Computer Science 2019-09-05 Zachary M. Ziegler , Yuntian Deng , Alexander M. Rush

Various visual information protection methods have been proposed for privacy-preserving deep neural networks (DNNs). In contrast, attack methods on such protection methods have been studied simultaneously. In this paper, we evaluate…

Cryptography and Security · Computer Science 2020-10-14 Warit Sirichotedumrong , Hitoshi Kiya

In the scope of VANETs, nature of exchanged safety/warning messages renders itself highly location dependent as it is usually for incident reporting. Thus, vehicles are required to periodically exchange beacon messages that include speed,…

Cryptography and Security · Computer Science 2016-09-13 Amr Abdelaziz , Ron Burton , C. Emre Koksal

This paper considers the secrecy transmission in a large-scale unmanned aerial vehicle (UAV)-enabled wireless network, in which a set of UAVs in the sky transmit confidential information to their respective legitimate receivers on the…

Information Theory · Computer Science 2019-08-13 Jianping Yao , Jie Xu

This paper proposes a visual encryption method to ensure the confidentiality of digital images. The model used is based on an autoencoder using aConvolutional Neural Network (CNN) to ensure the protection of the user data on both the sender…

Cryptography and Security · Computer Science 2025-04-02 Mahdi Madani , El-Bay Bourennane

Wireless networks have become imperative in all areas of human life. As such, one of the most critical concerns in next-generation networks is ensuring the security and privacy of user data/communication. Cryptography has been…

Signal Processing · Electrical Eng. & Systems 2021-09-30 Muhammad Sohaib J. Solaija , Hanadi Salman , Huseyin Arslan

This paper designs a graph neural network (GNN) to improve bandwidth allocations for multiple legitimate wireless users transmitting to a base station in the presence of an eavesdropper. To improve the privacy and prevent eavesdropping…

Information Theory · Computer Science 2023-12-27 Xin Hao , Phee Lep Yeoh , Yuhong Liu , Changyang She , Branka Vucetic , Yonghui Li

We design a new secure transmission scheme in the relay wiretap channel where a source communicates with a destination through a decode-and-forward relay in the presence of spatially random-distributed eavesdroppers. For the sake of…

Information Theory · Computer Science 2016-05-06 Chenxi Liu , Nan Yang , Robert Malaney , Jinhong Yuan

We propose a new scheme to enhance the physical-layer security of wireless single-input single-output orthogonal-frequency division-multiplexing (OFDM) transmissions from an electric vehicle, Alice, to the aggregator, Bob, in the presence…

Information Theory · Computer Science 2018-03-02 Ahmed El Shafie , Mohamed F. Marzban , Rakan Chabaan , Naofal Al-Dhahir

We study the problem of remote state estimation in the presence of a passive eavesdropper, under the challenging network environment of no packet receipt acknowledgments. A remote legitimate user estimates the state of a linear plant from…

Systems and Control · Electrical Eng. & Systems 2023-04-06 Matthew Crimson , Justin M. Kennedy , Daniel E. Quevedo