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Smart city is one of the most known Internet of Things (IoT) applications. The smart city services improve user's daily lives. However, security and privacy issues are slowing down their adoption. In addition, the characteristics of IoT…

Cryptography and Security · Computer Science 2020-03-05 Tidiane Sylla , Mohamed Aymen Chalouf , Francine Krief , Karim Samaké

The proliferation of sensitive information being stored online highlights the pressing need for secure and efficient user authentication methods. To address this issue, this paper presents a novel zero-effort two-factor authentication (2FA)…

Cryptography and Security · Computer Science 2023-03-07 Ali Abdullah S. AlQahtani , Thamraa Alshayeb

Security issues are the most challenging problems in cloud computing environments as an emerging technology. Regarding to this importance, an efficient and reliable user authentication and data protection model has been presented in this…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-08-10 Mohammad Ahmadi , Mostafa Vali , Farez Moghaddam , Aida Hakemi , Kasra Madadipouya

Authentication of smartphone users is important because a lot of sensitive data is stored in the smartphone and the smartphone is also used to access various cloud data and services. However, smartphones are easily stolen or co-opted by an…

Cryptography and Security · Computer Science 2017-09-01 Wei-Han Lee , Ruby B. Lee

Enriching information of spectrum coverage, radiomap plays an important role in many wireless communication applications, such as resource allocation and network optimization. To enable real-time, distributed spectrum management,…

Signal Processing · Electrical Eng. & Systems 2026-01-21 Yueling Zhou , Achintha Wijesinghe , Yue Wang , Songyang Zhang , Zhipeng Cai

We address physical layer security in distributed antenna (DA) systems, where eavesdroppers (Eves) can intercept the information transmitted for the intended receiver (IR). To realize a user-centric, power-efficient and physical layer…

Signal Processing · Electrical Eng. & Systems 2018-12-13 Zhongxiang Wei , Christos Masouros

Autonomous systems such as self-driving cars rely on sensors to perceive the surrounding world. Measures must be taken against attacks on sensors, which have been a hot topic in the last few years. For that goal one must first evaluate how…

Cryptography and Security · Computer Science 2021-03-15 Koichi Shimizu , Daisuke Suzuki , Ryo Muramatsu , Hisashi Mori , Tomoyuki Nagatsuka , Tsutomu Matsumoto

This paper considers a cyber-physical system under an active eavesdropping attack. A remote legitimate user estimates the state of a linear plant from the state information received from a sensor. Transmissions from the sensor occur via an…

Systems and Control · Electrical Eng. & Systems 2023-08-21 Matthew Crimson , Justin M. Kennedy , Daniel E. Quevedo

Physical layer authentication relies on detecting unique imperfections in signals transmitted by radio devices to isolate their fingerprint. Recently, deep learning-based authenticators have increasingly been proposed to classify devices…

Cryptography and Security · Computer Science 2020-11-04 Samurdhi Karunaratne , Enes Krijestorac , Danijela Cabric

A formal description of a Cyber-Physical system should include a rigorous specification of the computational and physical components involved, as well as their interaction. Such a description, thus, lends itself to a compositional model…

Logic in Computer Science · Computer Science 2016-12-16 Tobias Kappé , Farhad Arbab , Carolyn Talcott

Judging an action's safety requires knowledge of the context in which the action takes place. To human agents who act in various contexts, this may seem obvious: performing an action such as email deletion may or may not be appropriate…

Cryptography and Security · Computer Science 2025-04-18 Lillian Tsai , Eugene Bagdasarian

Collaborative multi-agent exploration of unknown environments is crucial for search and rescue operations. Effective real-world deployment must address challenges such as limited inter-agent communication and static and dynamic obstacles.…

Robotics · Computer Science 2024-12-31 Gabriele Calzolari , Vidya Sumathy , Christoforos Kanellakis , George Nikolakopoulos

We study the problem of securely communicating a sequence of information bits with a client in the presence of multiple adversaries at unknown locations in the environment. We assume that the client and the adversaries are located in the…

Signal Processing · Electrical Eng. & Systems 2021-03-02 Yagiz Savas , Abolfazl Hashemi , Abraham P. Vinod , Brian M. Sadler , Ufuk Topcu

AI-based defensive solutions are necessary to defend networks and information assets against intelligent automated attacks. Gathering enough realistic data for training machine learning-based defenses is a significant practical challenge.…

Cryptography and Security · Computer Science 2021-10-05 Kalle Kujanpää , Willie Victor , Alexander Ilin

Future wireless networks are moving toward autonomous service operation, where network control and resource management need to respond to time-varying radio conditions and evolving service objectives. To address this shift, this article…

Signal Processing · Electrical Eng. & Systems 2026-05-18 Yuanwei Liu , Xu Gan , Zhaolin Wang , Shan Shan , Zongyao Zhao , Zhiguo Ding

Key establishment in sensor networks becomes a challenging problem because of the resource limitations of the sensors and also due to vulnerability to physical capture of the sensor nodes. In this paper, we propose an unconditionally secure…

Cryptography and Security · Computer Science 2011-03-25 Ashok Kumar Das

With millimeter wave (mmWave) wireless communication envisioned to be the key enabler of next generation high data rate wireless networks, security is of paramount importance. While conventional security measures in wireless networks…

Cryptography and Security · Computer Science 2019-02-12 Sarankumar Balakrishnan , Shreya Gupta , Arupjyoti Bhuyan , Pu Wang , Dimitrios Koutsonikolas , Zhi Sun

Voice privacy approaches that preserve the anonymity of speakers modify speech in an attempt to break the link with the true identity of the speaker. Current benchmarks measure speaker protection based on signal-to-signal comparisons. In…

Sound · Computer Science 2026-03-25 Mehtab Ur Rahman , Martha Larson , Cristian Tejedor-Garcia

Recently proliferated semantic communications (SC) aim at effectively transmitting the semantics conveyed by the source and accurately interpreting the meaning at the destination. While such a paradigm holds the promise of making wireless…

Cryptography and Security · Computer Science 2023-09-06 Xinghan Liu , Guoshun Nan , Qimei Cui , Zeju Li , Peiyuan Liu , Zebin Xing , Hanqing Mu , Xiaofeng Tao , Tony Q. S. Quek

Security is one of the major concerns of modern communication systems. Users demand a secure communication environment that provides privacy to the people while they are sharing messages to anyone. Privacy is a prime concern nowadays. This…

Cryptography and Security · Computer Science 2019-03-07 Akm. B. Haque , Md. A. Bari , S. S. Arman , FT. Progga