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Almost all existing RFID authentication schemes (tag/reader) are vulnerable to relay attacks, because of their inability to estimate the distance to the tag. These attacks are very serious since it can be mounted without the notice of…

密码学与安全 · 计算机科学 2010-05-10 Eslam Gamal Ahmed , Eman Shaaban , Mohamed Hashem

Quantum key distribution provides a promising solution for sharing secure keys between two distant parties with unconditional security. Nevertheless, quantum key distribution is still severely threatened by the imperfections of devices. In…

量子物理 · 物理学 2023-08-22 Shan-Feng Shao , Xiao-Yu Cao , Yuan-Mei Xie , Jie Gu , Wen-Bo Liu , Yao Fu , Hua-Lei Yin , Zeng-Bing Chen

The delay-based fingerprint embedding was recently proposed to support more users in secure media distribution scenario. In this embedding scheme, some users are assigned the same fingerprint code with only different embedding delay. The…

多媒体 · 计算机科学 2008-01-07 Shiguo Lian

This paper provides an overview of the current challenges in wireless audio transmission and highlights the limitations of existing technologies regarding data bandwidth, data compression, latency, and inter-device compatibility. To address…

音频与语音处理 · 电气工程与系统科学 2025-08-29 Fengyun Zhang

In recent years, UWB has garnered widespread attention in academia and industry due to its low power consumption, wide bandwidth, and high time resolution characteristics. This paper introduces the design of an asynchronous IR-UWB…

信号处理 · 电气工程与系统科学 2025-03-04 Fan Liu , Bofeng Zheng , Tingting Zhang , Qinyu Zhang

Ultra-wideband (UWB) communication is an emerging wireless technology that promises high data rates over short distances and precise locationing. The large available bandwidth and the constraint of a maximum power spectral density drives a…

网络与互联网体系结构 · 计算机科学 2011-11-09 Raul Blazquez , Fred Lee , David Wentzloff , Brian Ginsburg , Johnna Powell , Anantha Chandrakasan

Wireless sensor networks have been increasingly used for real-time surveillance over large areas. In such applications, it is important to support end-to-end delay constraints for packet deliveries even when the corresponding flows require…

网络与互联网体系结构 · 计算机科学 2012-04-23 I-Hong Hou

Ultra-wideband (UWB) technology has become very popular for indoor positioning and distance estimation (DE) systems due to its decimeter-level accuracy achieved when using time-of-flight-based techniques. Techniques for DE relying on signal…

信号处理 · 电气工程与系统科学 2022-12-13 Leo Botler , Konrad Diwold , Kay Römer

A distance bounding system guarantees an upper bound on the physical distance between a verifier and a prover. However, in contrast to a conventional wireless communication system, distance bounding systems introduce tight requirements on…

密码学与安全 · 计算机科学 2014-04-21 Aanjhan Ranganathan , Boris Danev , Srdjan Capkun

Deep learning technologies are pivotal in enhancing the performance of WiFi-based wireless sensing systems. However, they are inherently vulnerable to adversarial perturbation attacks, and regrettably, there is lacking serious attention to…

密码学与安全 · 计算机科学 2024-04-25 Hangcheng Cao , Wenbin Huang , Guowen Xu , Xianhao Chen , Ziyang He , Jingyang Hu , Hongbo Jiang , Yuguang Fang

More and more consumer devices implement the IEEE Ultra-Wide Band (UWB) standard to perform distance measurements for sensitive tasks such as keyless entry and startup of modern cars, to find lost items using coin-sized trackers, and for…

密码学与安全 · 计算机科学 2023-03-21 Alexander Heinrich , Sören Krollmann , Florentin Putz , Matthias Hollick

In this paper, we derive UWB version of (i) general best achievable rate for the relay channel with decode-andforward strategy and (ii) max-flow min-cut upper bound, such that the UWB relay channel can be studied considering the obtained…

信息论 · 计算机科学 2011-09-15 Maryam Faramarzi Yazd , Ghosheh Abed Hodtani

In this paper, we analyze the security of two recently proposed distance bounding protocols called the Hitomi and the NUS protocols. Our results show that the claimed security of both protocols has been overestimated. Namely, we show that…

密码学与安全 · 计算机科学 2012-01-18 Mohammad Reza Sohizadeh Abyaneh

Contactless technologies such as RFID, NFC, and sensor networks are vulnerable to mafia and distance frauds. Both frauds aim at passing an authentication protocol by cheating on the actual distance between the prover and the verifier. To…

密码学与安全 · 计算机科学 2016-11-17 Rolando Trujillo-Rasua , Benjamin Martin , Gildas Avoine

Security threats such as jamming and route manipulation can have significant consequences on the performance of modern wireless networks. To increase the efficacy and stealthiness of such threats, a number of extremely challenging,…

网络与互联网体系结构 · 计算机科学 2017-08-23 Liyang Zhang , Francesco Restuccia , Tommaso Melodia , Scott M. Pudlewski

Wireless sensor networks increasingly become viable solutions to many challenging problems and will successively be deployed in many areas in the future. However, deploying new technology without security in mind has often proved to be…

密码学与安全 · 计算机科学 2014-09-24 Stefan Schmidt , Holger Krahn , Stefan Fischer , Dietmar Wätjen

The landscape of miniaturized wireless biomedical devices (MWBDs) is rapidly expanding as proactive mobile healthcare proliferates. MWBDs are diverse and include various injectable, ingestible, implantable, and wearable devices. While the…

密码学与安全 · 计算机科学 2022-01-26 Vladimir Vakhter , Betul Soysal , Patrick Schaumont , Ulkuhan Guler

Security of Wireless sensor network (WSN) becomes a very important issue with the rapid development of WSN that is vulnerable to a wide range of attacks due to deployment in the hostile environment and having limited resources. Intrusion…

网络与互联网体系结构 · 计算机科学 2012-03-02 Tapalina Bhattasali , Rituparna Chaki

UWB ranging systems have been adopted in many critical and security sensitive applications due to its precise positioning and secure ranging capabilities. We present a practical jamming attack, namely UWBAD, against commercial UWB ranging…

密码学与安全 · 计算机科学 2024-07-02 Yuqiao Yang , Zhongjie Wu , Yongzhao Zhang , Ting Chen , Jun Li , Jie Yang , Wenhao Liu , Xiaosong Zhang , Ruicong Shi , Jingwei Li , Yu Jiang , Zhuo Su

The use of miniaturized biomedical devices implanted in the human body and wirelessly internetworked is promising a significant leap forward in medical treatment of many pervasive diseases. Recognizing the well-understood limitations of…

网络与互联网体系结构 · 计算机科学 2013-02-07 G. Enrico Santagati , Tommaso Melodia , Laura Galluccio , Sergio Palazzo