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In this paper, we develop a knowledge-assisted deep reinforcement learning (DRL) algorithm to design wireless schedulers in the fifth-generation (5G) cellular networks with time-sensitive traffic. Since the scheduling policy is a…

Signal Processing · Electrical Eng. & Systems 2021-02-04 Zhouyou Gu , Changyang She , Wibowo Hardjawana , Simon Lumb , David McKechnie , Todd Essery , Branka Vucetic

This paper applies machine learning to optimize the transmission policy of cognitive radio inspired non-orthogonal multiple access (CR-NOMA) networks, where time-division multiple access (TDMA) is used to serve multiple primary users and an…

Information Theory · Computer Science 2021-04-14 Zhiguo Ding , Robert Schober , H. Vincent Poor

To meet the goal of ten-fold increase in spectral efficiency, multiuser multiple-input-multiple-output (MU-MIMO) techniques capable of achieving high spatial multiplexing gains are expected to be an essential component of fifth-generation…

Information Theory · Computer Science 2016-11-15 Nassar Ksairi , Beatrice Tomasi , Stefano Tomasin

As the applications of deep reinforcement learning (DRL) in wireless communications grow, sensitivity of DRL based wireless communication strategies against adversarial attacks has started to draw increasing attention. In order to address…

Signal Processing · Electrical Eng. & Systems 2022-09-13 Feng Wang , Chen Zhong , M. Cenk Gursoy , Senem Velipasalar

This paper studies the physical layer security in a multiple-input-multiple-output (MIMO) dual-functional radar-communication (DFRC) system, which communicates with downlink cellular users and tracks radar targets simultaneously. Here, the…

Signal Processing · Electrical Eng. & Systems 2019-09-10 Nanchi Su , Fan Liu , Christos Masouros

Directed greybox fuzzing (DGF) aims to efficiently trigger bugs at specific target locations by prioritizing seeds whose execution paths are more likely to reach the targets. However, existing DGF approaches suffer from imprecise potential…

Cryptography and Security · Computer Science 2026-02-03 Yifan Zhang , Xin Zhang

Reconfigurable Intelligent Surface (RIS) is a new paradigm that enables the reconfiguration of the wireless environment. Based on this feature, RIS can be employed to facilitate Physical-layer Key Generation (PKG). However, this technique…

Information Theory · Computer Science 2021-08-13 Lei Hu , Guyue Li , Hongyi Luo , Aiqun Hu

This paper investigates a deep reinforcement learning (DRL)-based approach for managing channel access in wireless networks. Specifically, we consider a scenario in which an intelligent user device (iUD) shares a time-varying uplink…

Signal Processing · Electrical Eng. & Systems 2024-09-04 Abdul Basit , Muddasir Rahim , Georges Kaddoum , Tri Nhu Do , Nadir Adam

Deep Neural Networks (DNNs) have demonstrated remarkable success across a wide range of tasks, particularly in fields such as image classification. However, DNNs are highly susceptible to adversarial attacks, where subtle perturbations are…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Richard Abhulimhen , Negash Begashaw , Gurcan Comert , Chunheng Zhao , Pierluigi Pisu

Deep learning models are vulnerable to adversarial examples crafted by applying human-imperceptible perturbations on benign inputs. However, under the black-box setting, most existing adversaries often have a poor transferability to attack…

Machine Learning · Computer Science 2020-02-04 Jiadong Lin , Chuanbiao Song , Kun He , Liwei Wang , John E. Hopcroft

Incorporating advanced information and communication technologies into smart grids (SGs) offers substantial operational benefits while increasing vulnerability to cyber threats like false data injection (FDI) attacks. Current SG attack…

Computational Engineering, Finance, and Science · Computer Science 2024-11-08 Nur Imtiazul Haque , Prabin Mali , Mohammad Zakaria Haider , Mohammad Ashiqur Rahman , Sumit Paudyal

Reconfigurable intelligent surfaces (RISs) can potentially combat jamming attacks by diffusing jamming signals. This paper jointly optimizes user selection, channel allocation, modulation-coding, and RIS configuration in a multiuser OFDMA…

Information Theory · Computer Science 2023-01-23 Xin Yuan , Shuyan Hu , Wei Ni , Ren Ping Liu , Xin Wang

We consider a single-cell massive MIMO system in which a base station (BS) with a large number of antennas transmits simultaneously to several single-antenna users in the presence of an attacker.The BS acquires the channel state information…

Information Theory · Computer Science 2019-01-25 Berk Akgun , Marwan Krunz , O. Ozan Koyluoglu

In this paper, we study secure distributed optimization against arbitrary gradient attack in multi-agent networks. In distributed optimization, there is no central server to coordinate local updates, and each agent can only communicate with…

Optimization and Control · Mathematics 2022-10-31 Shuhua Yu , Soummya Kar

Fifth-generation (5G) systems utilize orthogonal demodulation reference signals (DMRS) to enable channel estimation at the receiver. These orthogonal DMRS-also referred to as pilots-are effective in avoiding pilot contamination and…

Signal Processing · Electrical Eng. & Systems 2025-06-26 Sajad Rezaie , Mikko Honkala , Dani Korpi , Dick Carrillo Melgarejo , Tomasz Izydorczyk , Dimitri Gold , Oana-Elena Barbu

Simultaneous Transmitting and Reflecting Reconfigurable Intelligent Surfaces (STAR-RISs) are being explored for sixth-generation (6G) wireless networks. A promising configuration for their deployment is within cell-free massive…

Information Theory · Computer Science 2025-10-10 Jun Qian , Ross Murch , Khaled B. Letaief

Recent studies show that Deep Reinforcement Learning (DRL) models are vulnerable to adversarial attacks, which attack DRL models by adding small perturbations to the observations. However, some attacks assume full availability of the victim…

Machine Learning · Computer Science 2022-02-18 Xinlei Pan , Chaowei Xiao , Warren He , Shuang Yang , Jian Peng , Mingjie Sun , Jinfeng Yi , Zijiang Yang , Mingyan Liu , Bo Li , Dawn Song

The application of Deep Learning-based Schemes (DLSs) for detecting False Data Injection Attacks (FDIAs) in smart grids has attracted significant attention. This paper demonstrates that adversarial attacks, carefully crafted FDIAs, can…

Machine Learning · Computer Science 2025-06-25 Ahmad Mohammad Saber , Aditi Maheshwari , Amr Youssef , Deepa Kundur

In this work, we propose a novel framework to identify and mitigate a recently disclosed covert channel scheme exploiting unprotected broadcast messages in cellular MAC layer protocols. Examples of covert channel are used in data…

Cryptography and Security · Computer Science 2022-09-14 Reza Soosahabi , Magdy Bayoumi

Massive MIMO is widely considered as a key enabler of the next generation 5G networks. With a large number of antennas at the Base Station, both spectral and energy efficiencies can be enhanced. Unfortunately, the downlink channel…

Information Theory · Computer Science 2019-08-14 Ali Maatouk , Salah Eddine Hajri , Mohamad Assaad , Hikmet Sari