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The performance of low-power wireless sensing networks can be influenced by both external environmental factors and internal imperfections which often arise due to manufacturing tolerance during mass production. Understanding the conditions…

网络与互联网体系结构 · 计算机科学 2026-03-24 Zegeye Mekasha Kidane , Waltenegus Dargie

The spatial distribution of the background events may affect the source detection capability of IBIS at high energies (> 200 keV) for both ISGRI and PICsIT layers. The observed background is found to be variable and spatially structured,…

天体物理学 · 物理学 2009-11-10 L. Natalucci , A. J. Bird , A. Bazzano , P. Ubertini , J. B. Stephen , R. Terrier , L. Lerusse

Intelligent reflecting surface (IRS) has the potential to significantly enhance the network performance by reconfiguring the wireless propagation environments. It is however difficult to obtain the accurate downlink channel state…

信息论 · 计算机科学 2020-05-18 Wenzhi Fang , Min Fu , Yuanming Shi , Yong Zhou

The Internet of Things (IoT) connects millions of devices of different cyber-physical systems (CPSs) providing the CPSs additional (implicit) redundancy during runtime. However, the increasing level of dynamicity, heterogeneity, and…

系统与控制 · 计算机科学 2019-03-12 Denise Ratasich , Michael Platzer , Radu Grosu , Ezio Bartocci

In the context of the emerging Internet of Things (IoT), a proliferation of wireless connectivity can be expected. That ubiquitous wireless communication will be hard to centrally manage and control, and can be expected to be opaque to end…

密码学与安全 · 计算机科学 2017-01-19 Sandra Siby , Rajib Ranjan Maiti , Nils Tippenhauer

This research presents a novel framework that combines traditional Optical Time-Domain Reflectometer (OTDR) signal analysis with machine learning to localize and classify fiber optic faults in rural broadband infrastructures. The proposed…

网络与互联网体系结构 · 计算机科学 2025-06-04 Sabab Al Farabi

We describe the INTEGRAL Burst Alert System (IBAS): the automatic software developed at the INTEGRAL Science Data Center to allow the rapid distribution of the coordinates of the Gamma-Ray Bursts detected by INTEGRAL. IBAS is implemented as…

天体物理学 · 物理学 2007-05-23 S. Mereghetti , D. I. Cremonesi , J. Borkowski

Ambient backscatter communication (AmBC) enables a passive backscatter device to transmit information to a reader using ambient RF signals, and has emerged as a promising solution to green Internet-of-Things (IoT). Conventional AmBC…

信息论 · 计算机科学 2018-01-08 Gang Yang , Qianqian Zhang , Ying-Chang Liang

This paper investigates the massive random access for a huge amount of user devices served by a base station (BS) equipped with a massive number of antennas. We consider a grant-free unsourced random access (U-RA) scheme where all users…

信息论 · 计算机科学 2020-09-15 Xinyu Xie , Yongpeng Wu , Junyuan Gao , Wenjun Zhang

The Cosmic Infrared Background (CIB) is hidden behind veils of foreground emission from our own solar system and Galaxy. This paper describes procedures for removing the Galactic IR emission from the 1.25 - 240 micron COBE DIRBE maps as…

In this paper, we investigate the robust outage constrained transmission design for an intelligent reflecting surface (IRS) aided secure communication system. We assume that a single-antenna legitimate receiver (Bob) served by a…

信号处理 · 电气工程与系统科学 2024-10-30 Sheng Hong , Cunhua Pan , Gui Zhou , Hong Ren , Kezhi Wang

Analysis of microwave sky signals, such as the cosmic microwave background, often requires component separation with multi-frequency methods, where different signals are isolated by their frequency behaviors. Many so-called "blind" methods,…

宇宙学与河外天体物理 · 物理学 2024-08-02 Fiona McCarthy , J. Colin Hill , William R. Coulton , David W. Hogg

Much of the Outgoing Longwave Radiation (OLR) emitted to space is best described as random variability, or the ``Earth's Infrared Background''. A rigorous characterization of this background provides an objective null hypothesis and enables…

大气与海洋物理 · 物理学 2026-04-23 Ofer Shamir , Edwin P. Gerber

This paper proposes a source-independent method for the detection and classification of faults along Transmission Lines (TLs). It aims to reduce the protection issues arising from Inverter-Based Resources (IBRs). Inspired by Power Line…

应用物理 · 物理学 2024-07-12 Julio Rodriguez , Isaac Kofi Otchere , Reza Jalilzadeh Hamidi

Detecting abrupt changes in the community structure of a network from noisy observations is a fundamental problem in statistics and machine learning. This paper presents an online change detection algorithm called Spectral-CUSUM to detect…

统计理论 · 数学 2023-03-17 Minghe Zhang , Liyan Xie , Yao Xie

IT infrastructure is a crucial part in most of today's business operations. High availability and reliability, and short response times to outages are essential. Thus a high amount of tool support and automation in risk management is…

We estimate the level of confusion to Cosmic Microwave Background anisotropy measurements caused by extragalactic infrared sources. CMB anisotropy observations at high resolution and high frequencies are especially sensitive to this…

天体物理学 · 物理学 2009-10-28 Eric Gawiser , George F. Smoot

The rapid increase in the use of IoT devices brings many benefits to the digital society, ranging from improved efficiency to higher productivity. However, the limited resources and the open nature of these devices make them vulnerable to…

密码学与安全 · 计算机科学 2021-09-07 Joseph Rose , Matthew Swann , Gueltoum Bendiab , Stavros Shiaeles , Nicholas Kolokotronis

Past Advanced Persistent Threat (APT) attacks on Industrial Internet-of-Things (IIoT), such as the 2016 Ukrainian power grid attack and the 2017 Saudi petrochemical plant attack, have shown the disruptive effects of APT campaigns while new…

密码学与安全 · 计算机科学 2023-09-27 Ayush Kumar , Vrizlynn L. L. Thing

The Cosmic Infrared Background ExpeRiment (CIBER) is a rocket-borne absolute photometry imaging and spectroscopy experiment optimized to detect signatures of first-light galaxies present during reionization in the unresolved IR background.…