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Wireless mesh networks (WMNs) have emerged as a promising concept to meet the challenges in next-generation wireless networks such as providing flexible, adaptive, and reconfigurable architecture while offering cost-effective solutions to…

密码学与安全 · 计算机科学 2012-09-11 Jaydip Sen

Deploying relays and/or mobile base stations is a major means of extending the coverage of a wireless network. This paper presents models, analytical results, and algorithms to answer two related questions: The first is where to deploy…

信息论 · 计算机科学 2014-08-29 Xu Li , Dongning Guo , John Grosspietsch , Huarui Yin , Guo Wei

Wireless sensor networks are often deployed in public or otherwise untrusted and even hostile environments, which prompts a number of security issues. Although security is a necessity in other types of networks, it is much more so in sensor…

分布式、并行与集群计算 · 计算机科学 2017-06-27 Christophe Guyeux , Abdallah Makhoul , Jacques M. Bahi

In this paper, we present a multidimensional, highly effective method for aggregating data for wireless sensor networks while maintaining privacy. The suggested system is resistant to data loss and secure against both active and passive…

密码学与安全 · 计算机科学 2024-04-01 Ayush Rastogi , Harsh Rastogi , Yash Rastogi , Divyansh Dubey

In this paper, the privacy of wireless transmissions is improved through the use of an efficient technique termed dynamic directional modulation (DDM), and is subsequently assessed in terms of the measure of information leakage. Recently, a…

Lately, Wireless Sensor Networks (WSNs) have become an emerging technology and can be utilized in some crucial circumstances like battlegrounds, commercial applications, habitat observing, buildings, smart homes, traffic surveillance and…

网络与互联网体系结构 · 计算机科学 2017-02-24 Furrakh Shahzad , Maruf Pasha , Arslan Ahmad

Recent advancements in Ultra-Wideband (UWB) radar technology have enabled contactless, non-line-of-sight vital sign monitoring, making it a valuable tool for healthcare. However, UWB radar's ability to capture sensitive physiological data,…

人机交互 · 计算机科学 2025-05-19 Md Farhan Tasnim Oshim , Nigel Doering , Bashima Islam , Tsui-Wei Weng , Tauhidur Rahman

Ultra-wideband (UWB) systems are becoming increasingly popular as a means of inter-robot ranging and communication. A major constraint associated with UWB is that only one pair of UWB transceivers can range at a time to avoid interference,…

机器人学 · 计算机科学 2024-10-04 Mohammed Ayman Shalaby , Charles Champagne Cossette , Jerome Le Ny , James Richard Forbes

Current radio systems are currently optimized for capacity and range. However, certain applications of wireless systems require fast and reliable communication over short distances. The challenge of these systems is to communicate with a…

信号处理 · 电气工程与系统科学 2018-11-30 Raja Sattiraju , Jasper Siemons , Mohammad Soliman , Wasim Alshrafi , Fabian Rein , Hans D. Schotten

The malfunction or interruption of wireless coverage services has been shown to increase the mortality rate during natural disasters. Wireless coverage by an unmanned aerial vehicle (UAV) provides network coverage to ground user devices…

The high directionality of millimeter-wave (mmWave) communication systems has proven effective in reducing the attack surface against eavesdropping, thus improving the physical layer security. However, even with highly directional beams,…

信号处理 · 电气工程与系统科学 2023-09-20 Afifa Ishtiaq , Arash Asadi , Ladan Khaloopour , Waqar Ahmed , Vahid Jamali , Matthias Hollick

Wireless communication enables a broad spectrum of applications, ranging from commodity to tactical systems. Neighbor discovery (ND), that is, determining which devices are within direct radio communication, is a building block of network…

密码学与安全 · 计算机科学 2009-01-05 Marcin Poturalski , Panos Papadimitratos , Jean-Pierre Hubaux

Wireless relays can effectively extend the transmission range of information. However, if relay technology is utilized unlawfully, it can amplify potential harm. Effectively surveilling illegitimate relay links poses a challenging problem.…

信息论 · 计算机科学 2024-07-11 Qian Dan , Hongjiang Lei , Ki-Hong Park , Weijia Lei , Gaofeng Pan

Anonymous communication networks have emerged as crucial tools for obfuscating communication pathways and concealing user identities. However, their practical deployments face significant challenges, including susceptibility to artificial…

密码学与安全 · 计算机科学 2025-08-05 Chao Ge , Wei Yuan , Ge Chen , Yanbin Pan , Yuan Shen

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…

密码学与安全 · 计算机科学 2021-09-07 Jaydip Sen

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…

密码学与安全 · 计算机科学 2012-09-09 Jaydip Sen , Sripad Krishna

Interconnected embedded devices are increasingly used invarious scenarios, including industrial control, building automation, or emergency communication. As these systems commonly process sensitive information or perform safety critical…

密码学与安全 · 计算机科学 2017-01-30 Florian Kohnhäuser , Niklas Büscher , Sebastian Gabmeyer , Stefan Katzenbeisser

We investigate large wireless networks subject to security constraints. In contrast to point-to-point, interference-limited communications considered in prior works, we propose active cooperative relaying based schemes. We consider a…

信息论 · 计算机科学 2015-03-03 Mahtab Mirmohseni , Panagiotis Papadimitratos

Robust pulse synchronization is fundamental in constructing reliable synchronous applications in wired and wireless distributed systems. In wired systems, self-stabilizing Byzantine pulse synchronization aims for synchronizing fault-prone…

分布式、并行与集群计算 · 计算机科学 2022-03-09 Shaolin Yu , Jihong Zhu , Jiali Yang , Wei Lu

Localization of robots is vital for navigation and path planning, such as in cases where a map of the environment is needed. Ultra-Wideband (UWB) for indoor location systems has been gaining popularity over the years with the introduction…

机器人学 · 计算机科学 2022-06-23 Muhammad Shalihan , Ran Liu , Chau Yuen