opportunistic-networks

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Routing In Opportunistic Networks

Author : Isaac Woungang
ISBN : 9781461435143
Genre : Technology & Engineering
File Size : 60. 65 MB
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Routing in Opportunistic Networks focuses on the basics of opportunistic networks, modeling and communication in opportunistic networks, routing in opportunistic networks, and collaboration and cooperation in opportunistic networks. The editors will cover such topics as mobility characterization and discovery in opportunistic networks, scheduling and medium access control in opportunistic networks as well as testbed, tools, and measurements for opportunistic networks.

Mobile Opportunistic Networks

Author : Mieso K. Denko
ISBN : 9781420088137
Genre : Technology & Engineering
File Size : 73. 23 MB
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The widespread availability of mobile devices coupled with recent advancements in networking capabilities make opportunistic networks one of the most promising technologies for next-generation mobile applications. Are you ready to make your mark? Featuring the contributions of prominent researchers from academia and industry, Mobile Opportunistic Networks: Architectures, Protocols and Applications introduces state-of-the-art research findings, technologies, tools, and innovations. From fundamentals to advanced concepts, the book provides the comprehensive technical coverage of this rapidly emerging communications technology you need to make contributions in this area. The first section focuses on modeling, networking architecture, and routing problems. The second section examines opportunistic networking technologies and applications. Presenting the latest in modeling opportunistic network connection structures and pairwise contacts, the text discusses the fundamentals of opportunistic routing. It reviews the most-popular routing protocols and introduces a routing protocol for delivering data with load balancing and reliable transmission capabilities. Details an approach to analyzing user behavior based on realistic data in opportunistic networks Presents analytical approaches for mobility and heterogeneous connections management in mobile opportunistic networks Compares credit-based incentive schemes for mobile wireless ad hoc networks and challenged networks Discusses the combined strengths of cache-based approaches and Infostation-based approaches Addressing key research challenges and open issues, this complete technical guide reports on the latest advancements in the deployment of stationary relay nodes on vehicular opportunistic networks. It also illustrates the use of the service location and planning (SLP) technique for resource utilization with quality of service (QoS) constraints in opportunistic capability utilization networks. The book introduces a novel prediction-based routing protocol, and supplies authoritative coverage of communication architectures, network algorithms and protocols, emerging applications, industrial and professional standards, and experimental studies—including simulation tools and implementation test beds.

Opportunistic Networks

Author : Khaleel Ahmad
ISBN : 9780429842702
Genre : Computers
File Size : 90. 43 MB
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Opportunistic networks allow mobile users to share information without any network infrastructure.This book is suitable for both undergraduates and postgraduates as it discusses various aspects of opportunistic networking including, foundations of ad hoc network; taxonomy of mobility models, etc.

Opportunistic Networks

Author : Anshul Verma
ISBN : 036767730X
Genre :
File Size : 79. 60 MB
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The opportunistic network is an emerging and recent area of research. To make this research area more adaptable for practical and industrial use there is a need to further investigate several research challenges in all aspects of opportunistic networks. Therefore, this book provides theoretical, algorithmic, simulation, and implementation-based research developments related to fundamentals, applications, and emerging research trends in opportunistic networks. The book follows a theoretical approach to describe fundamentals to the beginners and incorporates a practical approach depicting the implementation of real-life applications to intermediate and advanced readers. This book is beneficial for academicians, researchers, developers, and engineers who work in or are interested in the fields related to opportunistic networks, delay tolerant networks, and intermittently connected ad-hoc networks. This book also serves as a reference book for graduate and postgraduate courses in computer science, computer engineering, and information technology streams.

Opportunistic Networking

Author : Nazmul Siddique
ISBN : 9781351780162
Genre : Technology & Engineering
File Size : 30. 36 MB
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Opportunistic networking, by definition, allows devices to communicate whenever a window of opportunity is available. Many emerging technologies employ opportunistic exchanges of information. This book addresses this trend in communications engineering, taking into account three specific areas—vehicular, device-to-device (D2D), and cognitive radio—while describing the opportunistic communication methods of each. From smart homes to smart cities, smart agriculture to never-die-networks and beyond, the text explores the state of the art of opportunistic networking, providing the latest research, developments, and practices in one concise source.

Routing In Opportunistic Networks

Author : Nisrine Doumit
ISBN : OCLC:1136068337
Genre :
File Size : 51. 64 MB
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Investigation Of Data Dissemination Techniques For Opportunistic Networks

Author : Halikul Lenando
ISBN : OCLC:835976937
Genre :
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An opportunistic network is an infrastructure-less peer to peer network, created between devices that are mobile and wireless enabled. The links between devices are dynamic and often short-lived. Therefore, disseminating data from a source to recipients with a quality of service guarantee and efficiency is a very challenging problem. Furthermore, the interactions between devices are based on opportunity and are dependent on the devices mobility, which have extreme diverse patterns. The aim of this thesis is to investigate dissemination of data in opportunistic networks. In particular two conflicting objectives are studied: minimising the overhead costs and maximising the information coverage over time. We also take into account the effects of mobility. Extensive computer simulation is developed to explore models for information dissemination and mobility. On top of existing mobility models (i.e. Random Walk, Random, Waypoint and Gauss Markov) a hybrid model is derived from the Random Waypoint and Gauss Markov mobility models. The effect on mobility model on dissemination performance is found to be highly significant. This is based on sensitivity analysis on mobility and node density. We first consider different baseline push techniques for data dissemination. We propose four different push techniques, namely Pure Push, Greedy, L-Push and Spray and Relay to analyse the impact of different push techniques to the information dissemination performances. The results present different trade-offs between objectives. As a strategy to manage overheads, we consider controlling to which nodes information is pushed to by establishing a social network between devices. A logical social network can be built between mobile devices if they repeatedly see each other, and can be defined in different ways. This is important because it shows how content may potentially flow to devices. We explore the effects of mobility for different definitions of the social network. This shows how different local criteria for defining links in a social network lead to different social structures. Finally we consider the effect of combining the social structure and intelligent push techniques to further improve the data dissemination performance in opportunistic networks. We discover that prioritising pushing over a social network is able to minimise the overhead costs but it introduces a dissemination delay.

Security Analysis Of Opportunistic Networks Using Complex Network Properties

Author : Srikar Mohan
ISBN : OCLC:792942707
Genre : Ad hoc networks (Computer networks)
File Size : 54. 8 MB
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An Opportunistic Network (Oppnet) is an enhanced evolution of Mobile ad hoc network, where at any given time a route between source and destination does not exist, yet messages are routed opportunistically via intermediate contacts. We implemented two types of Oppnet deployments, an Open Oppnet and a Selective Oppnet, and analyzed both deployments by studying three Complex Network Properties, namely Average Sort Distance, Degree Distribution, and Clustering Coefficients. In order to study the robustness of an Oppnet against network attacks, we examined Wormhole attack. According to the simulation results, severity of a wormhole depends on the node's location, trajectory and its neighboring nodes. When a worm tunnel was established between a popular node and an aloof node, it caused a noticeable impact on Average Shortest Distance. While in other cases Oppnet remained robust. We also observed that security in a Selective Oppnet is comparatively bettern an Open Oppnet.

Best Effort Authentication For Opportunistic Networks

Author :
ISBN : OCLC:958270437
Genre :
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Efficient And Flexible Geocasting For Opportunistic Networks

Author : Aydin Rajaei
ISBN : OCLC:1064676901
Genre :
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A Survey Of Opportunistic Network Techniques For Message Forwarding

Author : Sandra Rodriguez Aranguren
ISBN : OCLC:1120410690
Genre :
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The aim of this Master Thesis is to present the investigation results of the different routing schemes that are used in opportunistic networks, the so-called opportunistic routing schemes. In special the routing scheme with mobile infrastructure DataMULEs is subject of an exhaustive study. Opportunistic routing schemes are from great interest and the subject of several studies, as they offer the possibility to communicate networks that cannot be successfully connected using traditional routing schemes. They allow communications in very sparse networks and also where traditional end- to-end transmissions are not possible. This work begin with the description and characteristics of opportunistic networks and opportunistic routing schemes, it is also presented an extensive description of the classification for these schemes. Furthermore, in this work an important interest is given to the routing schemes that used mobile infrastructures in its communication, such as Message Ferrying and DataMULEs. Finally the main focus is given to two study cases of the DataMULEs routing scheme, they were in detail analyzed and their features and functionality were addressed to summaries the benefits.

Opportunistic Mobile Networks

Author : Sudip Misra
ISBN : 9783319290317
Genre : Computers
File Size : 63. 22 MB
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This textbook reviews the theory, applications, and latest breakthroughs in Delay Tolerant Networks (DTNs). Presenting a specific focus on Opportunistic Mobile Networks (OMNs), the text considers the influence of human aspects, and examines emerging forms of inter-node cooperation. Features: contains review terms and exercises in each chapter, with the solutions and source code available at an associated website; introduces the fundamentals of DTNs, covering OMNs, PSNs, and MOONs; describes the ONE simulator, explaining how to set up a simulation project; provides detailed insights into the development and testing of protocols, together with a set of best practices for increased productivity and optimized performance; examines human aspects in the context of communication networks, from human-centric applications to the impact of emotion on human-network interplay; proposes various schemes for inter-node cooperation in DTNs/OMNs; presents a detailed discussion on aspects of heterogeneity in DTNs.

Opportunistic Mobile Social Networks

Author : Jie Wu
ISBN : 9781466594944
Genre : Technology & Engineering
File Size : 40. 99 MB
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The widespread availability of mobile devices along with recent advancements in networking capabilities make opportunistic mobile social networks (MSNs) one of the most promising technologies for next-generation mobile applications. Opportunistic Mobile Social Networks supplies a new perspective of these networks that can help you enhance spontaneous interaction and communication among users that opportunistically encounter each other, without additional infrastructure support. The book explores recent developments in the theoretical, algorithmic, and application-based aspects of opportunistic MSNs. It presents the motivation behind opportunistic MSNs, describes their underpinning and key concepts, and also explores ongoing research. Supplies a systematic study of the constrained information flow problem Reviews the recent literature on social influence in complex social networks Presents a complete overview of the fundamental characteristics of link-level connectivity in opportunistic networks Explains how mobility and dynamic network structure impact the processing capacity of opportunistic MSNs for cloud applications Provides a comprehensive overview of the routing schemes proposed in opportunistic MSNs Taking an in-depth look at multicast protocols, the book explains how to provide pervasive data access to mobile users without the support of cellular or Internet infrastructures. Considering privacy and security issues, it surveys a collection of cutting-edge approaches for minimizing privacy leakage during opportunistic user profile exchange. The book concludes by introducing a framework for mobile peer rating using a multi-dimensional metric scheme based on encounter and location testing. It also explains how to develop a network emulation test bed for validating the efficient operation of opportunistic network applications and protocols in scenarios that involve both node mobility and wireless communication.

Mobile Computing And Communications Review

Author :
ISBN : UIUC:30112087157167
Genre : Mobile communication systems
File Size : 63. 85 MB
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Large Scale Message Dissemination In Mobile Opportunistic Networks

Author : Boying Zhang
ISBN : OCLC:1081304888
Genre : Computer networks
File Size : 21. 3 MB
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We first study efficient message delivery in large scale message dissemination. To efficiently deliver messages in mobile opportunistic networks, the source can send location-specific messages to interested persons. Hence, a key enabling technology is object localization. We present a technique called EV-Loc for accurate localization based on electronic and visual signals. Given an object’s electronic identifier, we aim to accurately localize the object with the help of visual signals. In order to achieve this, we propose an E-V match engine that can accurately and efficiently correspond an object’s electronic and visual signals. Following the correspondence, we use visual localization to precisely estimate the given object’s position. We also consider practical situations, e.g., missing or indistinct electronic and visual signals, and devise schemes to eliminate their impacts.

Resource Management In Future Opportunistic Networks

Author : Joyce Obeid
ISBN : OCLC:1136042603
Genre :
File Size : 21. 37 MB
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Traffic Distribution Fairness And Congestion In Social Opportunistic Networks

Author : Bambang Soelistijanto
ISBN : OCLC:890160201
Genre :
File Size : 50. 2 MB
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Quality Aware Tasking In Mobile Opportunistic Networks Distributed Information Retrieval And Processing Utilizing Opportunistic Heterogeneous Resources

Author : The An Binh Nguyen
ISBN : OCLC:1059517907
Genre : Information retrieval
File Size : 80. 35 MB
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Data Dissemination In Partially Cooperative Opportunistic Networks

Author : Abdolbast Greede
ISBN : OCLC:876405203
Genre :
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Qos Based Optimal Routing In Future Opportunistic Networks

Author : Anthony Azar
ISBN : OCLC:1136032474
Genre :
File Size : 44. 87 MB
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