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With the fast development of high-speed railway (HSR), the demand for mobile communication on high-speed trains is increasingly growing. This leads to significant attention on the study of resource management in HSR wireless communications…

Networking and Internet Architecture · Computer Science 2016-01-11 Shengfeng Xu , Gang Zhu

Disasters have long been a scourge for humanity. With the advances in technology (in terms of computing, communications, and the ability to process and analyze big data), our ability to respond to disasters is at an inflection point. There…

Computers and Society · Computer Science 2016-02-26 Junaid Qadir , Anwaar Ali , Raihan ur Rasool , Andrej Zwitter , Arjuna Sathiaseelan , Jon Crowcroft

This paper presents \dahitra, a novel deep-learning model with hierarchical transformers to classify building damages based on satellite images in the aftermath of natural disasters. Satellite imagery provides real-time and high-coverage…

Computer Vision and Pattern Recognition · Computer Science 2023-02-07 Navjot Kaur , Cheng-Chun Lee , Ali Mostafavi , Ali Mahdavi-Amiri

Opportunistic scheduling and routing can in principle greatly increase the throughput of decentralized wireless networks, but to be practical they must do so with small amounts of timely side information. In this paper, we propose three…

Information Theory · Computer Science 2011-07-21 Chun-Hung Liu , Jeffrey G. Andrews

Climate change is increasing the frequency and severity of natural disasters worldwide. Media coverage of these events may be vital to generate empathy and mobilize global populations to address the common threat posed by climate change.…

General Economics · Economics 2025-01-15 Thiemo Fetzer , Prashant Garg

A key quality of any kind of system is its ability to deliver its respective service correctly. Often the unavailability of commercial systems may lead to lost revenue, which are minor compared to what may be at stake when critical…

Networking and Internet Architecture · Computer Science 2023-08-31 Armin Stocker , Hermann de Meer

Situational awareness is crucial for effective disaster management. However, obtaining information about the actual situation is usually difficult and time-consuming. While there has been some effort in terms of incorporating the affected…

Social and Information Networks · Computer Science 2013-01-11 Sander Wozniak , Michael Rossberg , Guenter Schaefer

Wireless powered backscatter communications is an attractive technology for next-generation low-powered sensor networks such as the Internet of Things. However, backscattering suffers from collisions due to multiple simultaneous…

Information Theory · Computer Science 2017-07-12 Constantinos Psomas , Ioannis Krikidis

Over the years, communication speed of networks has increased from a few Kbps to several Mbps, as also the bandwidth demand, Communication Protocols, however have not improved to that extent. With the advent of Wavelength Division…

Networking and Internet Architecture · Computer Science 2010-05-18 Iyengar. S , N Apte , A. A. Roy , S. Sanyal , N. M. Singhi , Wu Geng Feng

We live in a modern world supported by large, complex networks. Examples range from financial markets to communication and transportation systems. In many realistic situations the flow of physical quantities in the network, as characterized…

Disordered Systems and Neural Networks · Physics 2009-11-10 Adilson E. Motter , Ying-Cheng Lai

Distributed generation and remotely controlled switches have emerged as important technologies to improve the resiliency of distribution grids against extreme weather-related disturbances. Therefore it becomes impor- tant to study how best…

Optimization and Control · Mathematics 2018-01-12 Geunyeong Byeon , Pascal Van Hentenryck , Russell Bent , Harsha Nagarajan

Just like power, water and transportation systems, wireless networks are a crucial societal infrastructure. As natural and human-induced disruptions continue to grow, wireless networks must be resilient to unforeseen events, able to…

Emerging Technologies · Computer Science 2025-06-17 Mehdi Bennis

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…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-06-27 Christophe Guyeux , Abdallah Makhoul , Jacques M. Bahi

Forthcoming wireless communications will be characterized by the ubiquity of multiaccess. Despite the inherently increased complexity, end-users should be able to take advantage of the most suitable access network. Thus, access selection in…

Networking and Internet Architecture · Computer Science 2011-05-10 Kostas Pentikousis , Ramón Agüero , Jens Gebert , José Antonio Galache , Oliver Blume , Pekka Pääkkönen

A computer network can be attacked in a number of ways. The security-related threats have become not only numerous but also diverse and they may also come in the form of blended attacks. It becomes difficult for any security system to block…

Cryptography and Security · Computer Science 2009-06-30 Prof. Dhananjay R. Kalbande , Dr. G. T. Thampi , Mr. Manish Singh

Complex network infrastructure systems for power-supply, communication, and transportation support our economical and social activities, however they are extremely vulnerable against the frequently increasing large disasters or attacks.…

Physics and Society · Physics 2022-04-05 Yukio Hayashi , Atsushi Tanaka , Jun Matsukubo

Interdisciplinary application fields, such as automotive, industrial applications or field robotics show an increasing need for reliable and resilient wireless communication even under high load conditions. These mission-critical…

Networking and Internet Architecture · Computer Science 2021-07-22 Christian Arendt , Manuel Patchou , Stefan Böcker , Janis Tiemann , Christian Wietfeld

Some new findings for chaos-based wireless communication systems have been identified recently. First, chaos has proven to be the optimal communication waveform because chaotic signals can achieve the maximum signal to noise ratio at…

Signal Processing · Electrical Eng. & Systems 2022-04-21 Hai-Peng Ren , Hong-Er Zhao , Chao Bai , Hui-Ping Yin , Celso Grebogi

Advances in microgrids powered by Distributed Energy Resources (DERs) make them an attractive response capability for improving the resilience of electricity distribution networks (DNs). This paper presents an approach to evaluate the value…

Optimization and Control · Mathematics 2019-05-13 Devendra Shelar , Saurabh Amin , Ian Hiskens

We consider scaling laws for maximal energy efficiency of communicating a message to all the nodes in a wireless network, as the number of nodes in the network becomes large. Two cases of large wireless networks are studied -- dense random…

Information Theory · Computer Science 2009-05-26 Aman Jain , Sanjeev R. Kulkarni , Sergio Verdu