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Wireless sensor networks (WSNs) have recently attracted a lot of interest in the research community due their wide range of applications. Unfortunately, these networks are vulnerable to numerous security threats that can adversely affect…

Cryptography and Security · Computer Science 2012-09-09 Jaydip Sen , Sripad Krishna

Radio Frequency Identification (RFID) is a technology aimed at eficiently identifying and tracking goods and assets. Such identification may be performed without requiring line-of-sight alignment or physical contact between the RFID tag and…

Cryptography and Security · Computer Science 2016-11-25 Rolando Trujillo-Rasua

This paper focuses on the secure transmission of wireless-powered relay systems with imperfect eavesdropper channel state information (ECSI). For efficient energy transfer and information relaying, a novel two-phase protocol is proposed, in…

Information Theory · Computer Science 2018-04-25 Jingping Qiao , Haixia Zhang , Feng Zhao , Dongfeng Yuan

Radio frequency fingerprint identification (RFFI) can uniquely classify wireless devices by analyzing the received signal distortions caused by the intrinsic hardware impairments. The state-of-the-art deep learning techniques such as…

Signal Processing · Electrical Eng. & Systems 2021-11-30 Guanxiong Shen , Junqing Zhang , Alan Marshall , Mikko Valkama , Joseph Cavallaro

Embedded and Internet-of-Things (IoT) devices are ubiquitous today, and the uprising of several botnets based on them (e.g., Mirai, Ripple20) raises issues about the security of such devices. Especially low-power devices often lack support…

Cryptography and Security · Computer Science 2024-04-08 Davide Bove , Lukas Panzer

Due to an increase in the availability of cheap off-the-shelf radio hardware, spoofing and replay attacks on satellite ground systems have become more accessible than ever. This is particularly a problem for legacy systems, many of which do…

Cryptography and Security · Computer Science 2023-09-08 Joshua Smailes , Sebastian Köhler , Simon Birnbach , Martin Strohmeier , Ivan Martinovic

As the Internet of Things (IoT) continues to expand, data security has become increasingly important for ensuring privacy and safety, especially given the sensitive and, sometimes, critical nature of the data handled by IoT devices. There…

Cryptography and Security · Computer Science 2023-03-15 José Ferreira , Alan Oliveira , André Souto , José Cecílio

This work exploits commodity, ultra-low cost, commercial radio frequency identification tags (RFID) as the elements of a reconfigurable surface. Such batteryless tags are powered and controlled by a software-defined (SDR) reader, with…

Signal Processing · Electrical Eng. & Systems 2024-10-28 Iosif Vardakis , Georgios Kotridis , Spyridon Peppas , Konstantinos Skyvalakis , Georgios Vougioukas , Aggelos Bletsas

Traditional physical layer secure beamforming is achieved via precoding before signal transmission using channel state information (CSI). However, imperfect CSI will compromise the performance with imperfect beamforming and potential…

Signal Processing · Electrical Eng. & Systems 2024-02-02 Tongyang Xu , Zhongxiang Wei , Tianhua Xu , Gan Zheng

Recently, we have witnessed the emergence of intermittently powered computational devices, an early example is the Intel WISP (Wireless Identification and Sensing Platform). How we engineer basic security services to realize mutual…

Cryptography and Security · Computer Science 2019-02-11 Yang Su , Yansong Gao , Omid Kavehei , Damith C. Ranasinghe

Unsourced multiple access abstracts grantless simultaneous communication of a large number of devices (messages) each of which transmits (is transmitted) infrequently. It provides a model for machine-to-machine communication in the Internet…

Signal Processing · Electrical Eng. & Systems 2019-12-13 Robert Calderbank , Andrew Thompson

The potential of Wi-Fi backscatter communications systems is immense, yet challenges such as signal instability and energy constraints impose performance limits. This paper introduces FlexScatter, a Wi-Fi backscatter system using a designed…

Networking and Internet Architecture · Computer Science 2025-03-10 Xin He , Jingwen Xie , Aohua Zhang , Weiwei Jiang , Yujun Zhu , Tad Matsumoto

The gamut of todays internet-connected embedded devices has led to increased concerns regarding the security and confidentiality of data. Most internet-connected embedded devices employ mathematically secure cryptographic algorithms to…

Cryptography and Security · Computer Science 2025-12-02 Archisman Ghosh

Node forgery or impersonation, in which legitimate cryptographic credentials are captured by an adversary, constitutes one major security threat facing wireless networks. The fact that mobile devices are prone to be compromised and reverse…

Networking and Internet Architecture · Computer Science 2015-01-08 Qiang Xu , Rong Zheng , Walid Saad , Zhu Han

We consider the problem of designing codes for distributed storage that protect user data against eavesdroppers that can gain access to network links as well as individual nodes. Our goal is to achieve weak security (also known as block…

Information Theory · Computer Science 2017-10-19 Swanand Kadhe , Alex Sprintson

Wireless network security may be improved by identifying networked devices via traits that are tied to hardware differences, typically related to unique variations introduced in the manufacturing process. One way these variations manifest…

Signal Processing · Electrical Eng. & Systems 2021-08-11 Abu Bucker Siddik , Dawson Drake , Thomas Wilkinson , Phillip L. De Leon , Steven Sandoval , Margaret Campos

Radio Frequency Fingerprinting (RFF) techniques allow a receiver to authenticate a transmitter by analyzing the physical layer of the radio spectrum. Although the vast majority of scientific contributions focus on improving the performance…

Cryptography and Security · Computer Science 2025-11-24 Gabriele Oligeri , Savio Sciancalepore

Recent technological advancements have proliferated the use of small embedded devices for collecting, processing, and transferring the security-critical information. The Internet of Things (IoT) has enabled remote access and control of…

Cryptography and Security · Computer Science 2021-01-19 Avani Dave , Nilanjan Banerjee , Chintan Patel

Rate splitting (RS) and wireless edge caching are essential means for meeting the quality of service requirements of future wireless networks. In this work, we focus on the cross-layer co-design of wireless edge caching schemes with…

Signal Processing · Electrical Eng. & Systems 2021-10-27 Eleni Demarchou , Constantinos Psomas , Ioannis Krikidis

This paper presents a practical solution to the problem of limited bandwidth in Quantum Key Distribution (QKD)- secured communication through using rapidly rekeyed Internet Protocol security (IPsec) links. QKD is a cutting-edge security…

Cryptography and Security · Computer Science 2018-01-08 Stefan Marksteiner , Benjamin Rainer , Oliver Maurhart
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