Post Disaster Navigation And Allied Services Over Opportunistic Networks
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Post-disaster Navigation and Allied Services over Opportunistic Networks
Author: Suman Bhattacharjee
language: en
Publisher: Springer Nature
Release Date: 2021-04-15
This book provides the details of developing a digital pedestrian map construction system over the intermittently connected mobile network. Over the past couple of decades, countries across the world, both developing and developed, have witnessed a significant number of disasters. Thus, it has become mandatory for each of the disaster-prone countries to equip themselves with appropriate measures to cope with the challenges of providing post-disaster services. Some of the serious challenges are incapacitated communication infrastructure, unstable power supply and inaccessible road networks. Out of these challenges, the destruction of road networks, especially in developing countries, acts as a major hindrance to effective disaster management. To be more specific, the success of a disaster response operation generally depends on the speed of evacuation and transportation of adequate amount of relief materials at the right time to the disaster-affected areas. Hence, map-based navigation support is a primary requirement for post-disaster relief operations. This book also provides the solution of the two other important post-disaster management services such as situational awareness and resource allocation. Both of these services are invariably dependent on the existence of navigation support. Finally, in order to offer such services, the other challenge is to address the problem of incapacitated communication infrastructure. This book also deals with such challenges in post-disaster scenarios and develops automated post-disaster management services.
Opportunistic Networks
This textbook provides an exhaustive exploration of Opportunistic Networks (OppNets). Divided into three parts, it starts with the foundational principles and metrics of OppNets, detailing their mobility and data dissemination. Significant focus is given to the security challenges faced by OppNets, including strategies to counter various attacks. The second part evaluates OppNets, introducing methods and metrics for assessment, theoretical and simulation models, and tools such as OMNeT++, The ONE and ns-3. This textbook also offers comparative analyses and discussions on benchmarking. The third part delves into the implementation of OppNets, discussing technologies from Mobile Ad Hoc Networks to satellite communication and their integration with cellular technologies like 4G, 5G and 6G. Detailed insight into device characterization reveals the potential and limitations of devices within OppNets. Practical applications of OppNets in scenarios such as disaster management, remotecommunication, IoT challenges, smart cities and satellite networks are presented as well. Through detailed discussions and case studies, readers gain a comprehensive understanding of the structure, operation and practical implications of OppNets. It equips readers with knowledge to appreciate the vast potential of OppNets in various applications and settings. This textbook targets advanced-level students and postdocs in computer science and electrical engineering as well as researchers, who are starting new in the area and need a comprehensive view of opportunistic networks. Practitioners who are interested in applying the concepts of opportunistic networks in their products and services, and would like to have a jump start into the development and applications of opportunistic networks will also want to purchase this book as a reference.
African Conflicts and Informal Power
In the aftermath of an armed conflict in Africa, the international community both produces and demands from local partners a variety of blueprints for reconstructing state and society. The aim is to re-formalize the state after what is viewed as a period of fragmentation. In reality, African economies and polities are very much informal in character, with informal actors, including so-called Big Men, often using their positions in the formal structure as a means to reach their own goals. Through a variety of in-depth case studies, including the DRC, Sierra Leone and Liberia, this comprehensive volume shows how important informal political and economic networks are in many of the continent’s conflict areas. Moreover, it demonstrates that without a proper understanding of the impact of these networks, attempts to formalize African states, particularly those emerging from wars, will be in vain.