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In 5G mobile communication systems, MU-MIMO has been applied to enhance spectral efficiency and support high data rates. To maximize spectral efficiency while providing fairness among users, the base station (BS) needs to selects a subset…

Networking and Internet Architecture · Computer Science 2026-02-23 Thanh Le , Hai Duong , Yusheng Ji , ThanhVu Nguyen , John C. S. Lui

Typical deep neural network (DNN) backdoor attacks are based on triggers embedded in inputs. Existing imperceptible triggers are computationally expensive or low in attack success. In this paper, we propose a new backdoor trigger, which is…

Computer Vision and Pattern Recognition · Computer Science 2022-08-22 Yulong Wang , Minghui Zhao , Shenghong Li , Xin Yuan , Wei Ni

Demand-Side Management (DSM) is a vital tool that can be used to ensure power system reliability and stability. In future smart grids, certain portions of a customers load usage could be under automatic control with a cyber-enabled DSM…

Signal Processing · Electrical Eng. & Systems 2019-10-01 Kostas Hatalis , Parv Venkitasubramaniam , Shalinee Kishore

In this paper, we address two main problems in the context of covert cyber-attacks in cyber-physical systems (CPS). First, we aim to investigate and develop necessary and sufficient conditions in terms of disruption resources of the CPS…

Systems and Control · Electrical Eng. & Systems 2025-12-10 Mahdi Taheri , Khashayar Khorasani , Nader Meskin

As Spiking Neural Networks (SNNs) gain traction across various applications, understanding their security vulnerabilities becomes increasingly important. In this work, we focus on the adversarial attacks, which is perhaps the most…

Cryptography and Security · Computer Science 2025-05-13 Spyridon Raptis , Haralampos-G. Stratigopoulos

The DNS infrastructure is infamous for facilitating reflective amplification attacks. Various countermeasures such as server shielding, access control, rate limiting, and protocol restrictions have been implemented. Still, the threat…

Cryptography and Security · Computer Science 2025-10-23 Maynard Koch , Florian Dolzmann , Thomas C. Schmidt , Matthias Wählisch

Distributed Reflective Denial of Service (DRDoS) attacks are an immanent threat to Internet services. The potential scale of such attacks became apparent in March 2018 when a memcached-based attack peaked at 1.7 Tbps. Novel services built…

Cryptography and Security · Computer Science 2018-08-06 Thomas Lukaseder , Kevin Stölzle , Stephan Kleber , Benjamin Erb , Frank Kargl

Security becomes an extremely important issue in smart grid. To maintain the steady operation for smart power grid, massive measurement devices must be allocated widely among the power grid. Previous studies are focused on false data…

Cryptography and Security · Computer Science 2015-03-18 Zhenghao Zhang , Shuping Gong , Husheng Li , Changxing Pei

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 the transmitter of a quantum key distribution (QKD) system, a dense wavelength-division multiplexer (DWDM) is typically used to combine quantum and synchronization signals and is directly connected to the quantum channel. As a result, it…

Deep neural networks (DNNs) are vulnerable to backdoor attacks. The backdoor adversaries intend to maliciously control the predictions of attacked DNNs by injecting hidden backdoors that can be activated by adversary-specified trigger…

Cryptography and Security · Computer Science 2023-03-07 Tong Xu , Yiming Li , Yong Jiang , Shu-Tao Xia

Due to the recent developments in the field of full-duplex radios and cognitive radios, a new class of reactive jamming attacks has gained attention wherein an adversary transmits jamming energy over the victim's frequency band and also…

Information Theory · Computer Science 2025-04-16 Soumita Hazra , J. Harshan

Security of modern Deep Neural Networks (DNNs) is under severe scrutiny as the deployment of these models become widespread in many intelligence-based applications. Most recently, DNNs are attacked through Trojan which can effectively…

Cryptography and Security · Computer Science 2020-03-31 Adnan Siraj Rakin , Zhezhi He , Deliang Fan

This paper investigates the vulnerability of spiking neural networks (SNNs) and federated learning (FL) to backdoor attacks using neuromorphic data. Despite the efficiency of SNNs and the privacy advantages of FL, particularly in…

Cryptography and Security · Computer Science 2024-02-06 Gorka Abad , Stjepan Picek , Aitor Urbieta

In this paper, a practical wireless transmission scheme is proposed to transmit confidential messages to the desired user securely and precisely by the joint use of multiple techniques including artificial noise (AN) projection, phase…

Information Theory · Computer Science 2017-05-30 Feng Shu , Xiaomin Wu , Jinsong Hu , Riqing Chen , Jiangzhou Wang

An adversarial machine learning approach is introduced to launch jamming attacks on wireless communications and a defense strategy is presented. A cognitive transmitter uses a pre-trained classifier to predict the current channel status…

Networking and Internet Architecture · Computer Science 2018-12-14 Tugba Erpek , Yalin E. Sagduyu , Yi Shi

Nowadays, cognitive radio is one of the most promising paradigms in the arena of wireless communications, as it aims at the proficient use of radio resources. Proper utilization of the radio spectrum requires dynamic spectrum accessing. To…

Networking and Internet Architecture · Computer Science 2013-08-13 Sk. Shariful Alam , Lucio Marcenaro , Carlo Regazzoni

A sensing-aided covert communication network empowered by pinching antenna systems (PASS) is proposed in this work. Unlike conventional fixed-position MIMO arrays, PASS dynamically reconfigures its pinching antennas (PAs) closer to the…

Signal Processing · Electrical Eng. & Systems 2025-09-09 Hao Jiang , Zhaolin Wang , Yuanwei Liu , Arumugam Nallanathan , Zhiguo Ding

This paper proposes a long range-frequency hopping spread spectrum (LR-FHSS) transceiver design for the Direct-to-Satellite Internet of Things (DtS-IoT) communication system. The DtS-IoT system has recently attracted attention as a…

Systems and Control · Electrical Eng. & Systems 2024-03-22 Sooyeob Jung , Seongah Jeong , Jinkyu Kang , Gyeongrae Im , Sangjae Lee , Mi-Kyung Oh , Joon Gyu Ryu , Joonhyuk Kang

This letter proposes a deep learning approach to detect a change in the antenna orientation of transmitter or receiver as a physical tamper attack in OFDM systems using channel state information. We treat the physical tamper attack problem…

Signal Processing · Electrical Eng. & Systems 2021-04-16 Eshagh Dehmollaian , Bernhard Etzlinger , Núria Ballber Torres , Andreas Springer
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