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The use of optical fiber as sensor as well as transmission medium for sensing data is discussed, enabling the use of optically active sensors without power supply at distances of tens of kilometers. Depending on the interrogation system, a…

光学 · 物理学 2022-07-07 Michael Eiselt , Florian Azendorf , Andre Sandmann

This paper proposes a novel visual model for web applications security monitoring. Although an automated intrusion detection system can shield a web application from common attacks, it usually cannot detect more complicated break-ins. So, a…

密码学与安全 · 计算机科学 2019-04-09 Tran Tri Dang , Tran Khanh Dang

It is possible to attack a computer remotely through the front panel LEDs. Following on previous results that showed information leakage at optical wavelengths, now it seems practicable to inject information into a system as well. It is…

密码学与安全 · 计算机科学 2019-07-02 Joe Loughry

Optical wireless communication (OWC) is a promising technology anticipated to play a key role in the next-generation network of networks, especially as a complementary technology to traditional radio frequency communications, for enhancing…

Barrier coverage is a critical issue in wireless sensor networks for many practical applications,e.g., national border monitoring, security surveillance and intruder detection, etc. Its aim is to detect intruders that attempt to cross the…

网络与互联网体系结构 · 计算机科学 2015-03-19 Xiao-Lan Liu , Bin Yang , Gui-Lin Chen

Optical communication is the standard for high-bandwidth information transfer in today's digital age. The increasing demand for bandwidth has led to the maturation of coherent transceivers that use phase- and amplitude-modulated optical…

量子物理 · 物理学 2024-09-24 John Crossman , Spencer Dimitroff , Lukasz Cincio , Mohan Sarovar

In recent wireless networking optical communication is an emerging field. Another novel approach of optical communication using Narrow Line of Sight technique is discussed. Array of trans receivers are placed on the ceiling to communicate…

网络与互联网体系结构 · 计算机科学 2013-08-23 Swapan Bhattachrya , Devmalya Banerjee , Abirlal Biswas , Pijush Biswas

This paper investigates a critical access control issue in the Internet of Things (IoT). In particular, we propose a smart contract-based framework, which consists of multiple access control contracts (ACCs), one judge contract (JC) and one…

密码学与安全 · 计算机科学 2018-02-14 Yuanyu Zhang , Shoji Kasahara , Yulong Shen , Xiaohong Jiang , Jianxiong Wan

It is known that internet have been widespread in many areas of life and enabled machines to communicate each other. The terms of Internet of Things (IoT) has emerged as a result of networks consist of machines and equipment that work…

机器人学 · 计算机科学 2019-11-18 Zeynep Özdemir , Mehmet Tekerek , Ahmet Serdar Yılmaz

We discuss the implementation of optical quantum networks where the interface between stationary and photonic qubits is realized by optomechanical transducers [K. Stannigel et al., PRL 105, 220501 (2010)]. This approach does not rely on the…

量子物理 · 物理学 2012-01-04 K. Stannigel , P. Rabl , A. S. Sørensen , M. D. Lukin , P. Zoller

Various robots, rovers, drones, and other agents of mass-produced products are expected to encounter scenes where they intersect and collaborate in the near future. In such multi-agent systems, individual identification and communication…

多智能体系统 · 计算机科学 2024-02-16 Haruyuki Nakagawa , Yoshitaka Miyatani , Asako Kanezaki

Internet of Things (IoT) is the new industrial slogan for connecting intelligent and unintelligent devices to the web. The problem of security of data transfer, interoperability of different proposed methodologies, the ubiquity of Wi-Fi and…

网络与互联网体系结构 · 计算机科学 2019-02-28 Stephen Ugwuanyi , James Irvine

Infrared (IR) light is invisible to humans, but cameras are optically sensitive to this type of light. In this paper, we show how attackers can use surveillance cameras and infrared light to establish bi-directional covert communication…

密码学与安全 · 计算机科学 2017-09-19 Mordechai Guri , Dima Bykhovsky , Yuval Elovici

We introduce an application of a mobile transient network architecture on top of the current Internet. This paper is an application extension to a conceptual mobile network architecture. It attempts to specifically reinforce some of the…

网络与互联网体系结构 · 计算机科学 2007-05-23 Joud Khoury , Henry N Jerez , Nicolas Nehme-Antoun , Chaouki Abdallah

Optical binding refers to the light-induced interaction between two or more objects illuminated by laser fields. The high tunability of the strength, sign, and reciprocity of this interaction renders it highly attractive for controlling…

量子物理 · 物理学 2024-12-05 Henning Rudolph , Uroš Delić , Klaus Hornberger , Benjamin A. Stickler

We report on methods to monitor the transmission path in optical networks using a correlation-based OTDR technique with direct and coherent detection. A high probing symbol rate can provide picosecond-accuracy of the fiber propagation…

信号处理 · 电气工程与系统科学 2023-06-07 Michael H. Eiselt , Florian Azendorf , Andre Sandmann , Florian Spinty , Mirko Lawin

This paper presents a novel beacon light coding protocol, which enables fast and accurate identification of the beacons in an image. The protocol is provably robust to a predefined set of detection and decoding errors, and does not require…

计算机视觉与模式识别 · 计算机科学 2020-04-23 Roman Rabinovich , Ibrahim Jubran , Aaron Wetzler , Ron Kimmel

Standard security protocols like SSL, TLS, IPSec etc. have high memory and processor consumption which makes all these security protocols unsuitable for resource constrained platforms such as Internet of Things (IoT). Blockchain (BC) finds…

密码学与安全 · 计算机科学 2019-09-10 Rourab Paul , Nimisha Ghosh , Suman Sau , Amlan Chakrabarti , Prasant Mahapatra

This study investigates the capability blessings of the use of eye-monitoring technology to beautify the usability of web sites. With the upward thrust of on-line interactions, website usability has turn out to be increasingly important for…

其他计算机科学 · 计算机科学 2023-05-23 Niharika Veeravalli

The rapid expansion of oceanic applications such as underwater surveillance and mineral exploration is driving the need for real-time wireless backhaul of massive observational data. Such demands are challenging to meet using the narrowband…

信号处理 · 电气工程与系统科学 2026-05-19 Jiayue Liu , Tianqi Mao , Leyu Cao , Weijie Liu , Dezhi Zheng , Julian Cheng , Zhaocheng Wang