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Large Language Models (LLMs), combined with Text-to-Speech (TTS) and Automatic Speech Recognition (ASR), are increasingly used to automate voice phishing (vishing) scams. These systems are scalable and convincing, posing a significant…

Computation and Language · Computer Science 2025-06-16 Freddie Grabovski , Gilad Gressel , Yisroel Mirsky

Unmanned aerial vehicle (UAV) system is vulnerable to the control signal spoofing attack due to the openness of the wireless communications. In this correspondence, a physical layer approach is proposed to combat the control signal spoofing…

Information Theory · Computer Science 2018-04-19 Ke-Wen Huang , Hui-Ming Wang

In this paper, we propose a novel transmissive reconfigurable intelligent surface transceiver-enhanced robust and secure integrated sensing and communication network. A time-division sensing communication mechanism is designed for the…

Information Theory · Computer Science 2025-01-15 Ziwei Liu , Wen Chen , Qingqing Wu , Zhendong Li , Xusheng Zhu , Qiong Wu , Nan Cheng

In this letter, we study a rate-splitting multiple access (RSMA)-based intelligent reflecting surface (IRS)-aided multi-user multiple-input single-output (MISO) secure communication system with a potential eavesdropper (Eve). Aiming to…

Information Theory · Computer Science 2022-11-28 Ying Gao , Qingqing Wu , Wen Chen , Derrick Wing Kwan Ng

Hash-based message authentication codes are an extremely simple yet hugely effective construction for producing keyed message digests using shared secrets. HMACs have seen widespread use as ad-hoc digital signatures in many Internet…

Cryptography and Security · Computer Science 2016-02-08 Boudhayan Gupta

Recently, simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs) have emerged as a novel technology that provides 360 coverage and new degrees-of-freedom (DoFs). They are also capable of manipulating…

Recently, there has been increasing concern about the vulnerability of deep neural network (DNN)-based synthetic aperture radar (SAR) automatic target recognition (ATR) to adversarial attacks, where a DNN could be easily deceived by clean…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Bowen Peng , Bo Peng , Jingyuan Xia , Tianpeng Liu , Yongxiang Liu , Li Liu

This letter introduces a novel data-dependent interleaving technique designed to enhance the security of rate-splitting multiple access (RSMA) networks by protecting the common stream from eavesdropping threats. Specifically, we exploit the…

Signal Processing · Electrical Eng. & Systems 2025-04-17 Shaima Abidrabbu , Hüseyin Arslan

We study the problem of designing false measurement data that is injected to corrupt and mislead the output of a Kalman filter. Unlike existing works that focus on detection and filtering algorithms for the observer, we study the problem…

Systems and Control · Computer Science 2020-09-07 Zhongshun Zhang , Lifeng Zhou , Pratap Tokekar

Modern positioning relies on radio signals from global navigation satellite systems (GNSS). Their low receive power renders these radio signals susceptible to jamming attacks, in which malicious transmitters emit strong interference to…

Signal Processing · Electrical Eng. & Systems 2025-07-25 Jonas Elmiger , Gian Marti , Christoph Studer

We propose a reachability-based framework for reliable LLM-guided human-autonomy teaming (HAT) using signal temporal logic (STL). In the proposed framework, LLM is leveraged as a translator that transfers natural language commands given by…

Systems and Control · Electrical Eng. & Systems 2026-03-10 Joonwon Choi , Kartik Anand Pant , Karthik Nune , Inseok Hwang

Secure Message Transmission (SMT) is a two-party cryptographic protocol by which the sender can securely and reliably transmit messages to the receiver using multiple channels. An adversary can corrupt a subset of the channels and commit…

Cryptography and Security · Computer Science 2021-12-30 Maiki Fujita , Takeshi Koshiba , Kenji Yasunaga

The fundamental communication problem in the wireless Internet of Things (IoT) is to discover a massive number of devices and to allow them reliable access to shared channels. Oftentimes these devices transmit short messages randomly and…

Information Theory · Computer Science 2021-11-22 Xu Chen , Lina Liu , Dongning Guo , Gregory W. Wornell

Single user massive multiple input multiple output (MIMO) can be used to increase the spectral efficiency, since the data is transmitted simultaneously from a large number of antennas located at both the base station and mobile. It is…

Information Theory · Computer Science 2018-11-29 K. Vasudevan , K. Madhu , Shivani Singh

This letter is the second part of a three-part tutorial focusing on rate-splitting multiple access (RSMA) for 6G. As Part II of the tutorial, this letter addresses the interplay between RSMA and integrated radar sensing and communications…

Information Theory · Computer Science 2022-05-06 Longfei Yin , Yijie Mao , Onur Dizdar , Bruno Clerckx

A multiple-input multiple-output (MIMO) system operating at terahertz (THz) frequencies and consisting of a transmitter, Alice, that encodes secret keys using Gaussian-modulated coherent states, which are communicated to a legitimate…

Information Theory · Computer Science 2026-03-31 Sushil Kumar , Soumya P. Dash , George C. Alexandropoulos

In this paper, we investigate a novel reconfigurable distributed antennas and reflecting surface (RDARS) aided multi-user massive MIMO system with imperfect CSI and propose a practical two-timescale (TTS) transceiver design to reduce the…

Information Theory · Computer Science 2023-12-15 Chengzhi Ma , Jintao Wang , Xi Yang , Guanghua Yang , Wei Zhang , Shaodan Ma

Traffic Collision Avoidance Systems (TCAS) are safety-critical systems required on most commercial aircrafts in service today. However, TCAS was not designed to account for malicious actors. While in the past it may have been infeasible for…

Signal Processing · Electrical Eng. & Systems 2020-06-29 Paul M. Berges , Basavesh Ammanaghatta Shivakumar , Timothy Graziano , Ryan Gerdes , Z. Berkay Celik

Next-generation internet-of-things (IoT) networks require extremely low latency, complexity, and collision probability. We introduce the novel partial-information multiple access (PIMA) scheme, a semi-grant-free (GF) coordinated random…

Information Theory · Computer Science 2023-07-28 Alberto Rech , Stefano Tomasin , Lorenzo Vangelista , Cristina Costa

As the worlds predominant navigation system GPS is critical to modern life, finding applications in diverse areas like information security, healthcare, marketing, and power and water grid management. Unfortunately this diversification has…

Signal Processing · Electrical Eng. & Systems 2020-05-19 Mahsa Foruhandeh , Abdullah Z. Mohammed , Gregor Kildow , Paul Berges , Ryan Gerdes