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Guiding readers through the basics of these rapidly emerging networks to more advanced concepts and future expectations, Mobile Ad hoc Networks: Current Status and Future Trends identifies and examines the most pressing research issues in Mobile Ad hoc Networks (MANETs). Containing the contributions of leading researchers, industry professionals, and academics, this forward-looking reference provides an authoritative perspective of the state of the art in MANETs. The book includes surveys of recent publications that investigate key areas of interest such as limited resources and the mobility of mobile nodes. It considers routing, multicast, energy, security, channel assignment, and ensuring quality of service. Also suitable as a text for graduate students, the book is organized into three sections: Fundamentals of MANET Modeling and Simulation—Describes how MANETs operate and perform through simulations and models Communication Protocols of MANETs—Presents cutting-edge research on key issues, including MAC layer issues and routing in high mobility Future Networks Inspired By MANETs—Tackles open research issues and emerging trends Illustrating the role MANETs are likely to play in future networks, this book supplies the foundation and insight you will need to make your own contributions to the field. It includes coverage of routing protocols, modeling and simulations tools, intelligent optimization techniques to multicriteria routing, security issues in FHAMIPv6, connecting moving smart objects to the Internet, underwater sensor networks, wireless mesh network architecture and protocols, adaptive routing provision using Bayesian inference, and adaptive flow control in transport layer using genetic algorithms.

Mobile Networks

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This book argues for a theory of mobile mapping, a situated and spatial approach towards researching how everyday digital mobile media practices are bound up in global systems of knowledge and power. Drawing from literature in media studies and geography - and the work of Michel Foucault and Doreen Massey - it examines how geographical and historical material, social, and cultural conditions are embedded in the way in which contemporary (digital) cartographies are read, deployed, and engaged. This is explored through seventeen walking interviews in Hong Kong and Sydney, as potent discourses like cartographic reason continue to transform and weave through the world in ways that haunt mobile mapping and bring old conflicts into new media. In doing so, Mobile Mapping offers an interdisciplinary rethinking about how multiple translations of spatial knowledges between rational digital epistemologies and tacit ways of understanding space and experience might be conceptualized and researched.

mobile mapping --- media

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Technological developments have enabled a dramatic expansion and also an evolution of telework, broadly defined as using ICTs to perform work from outside of an employer’s premises. This volume offers a new conceptual framework explaining the evolution of telework over four decades. It reviews national experiences from Argentina, Brazil, India, Japan, the United States, and ten EU countries regarding the development of telework, its various forms and effects. It also analyses large-scale surveys and company case studies regarding the incidence of telework and its effects on working time, work-life balance, occupational health and well-being, and individual and organizational performance.

Telework --- Mobile telework --- Mobile work --- Telecommuting --- Home office --- Virtual office

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Bei der Realisierung von SOA-basierter Unternehmenssoftware sind Teammitglieder in unterschiedlichen Bereichen und Ebenen mit speziellen Kenntnissen erforderlich, um die jeweils benötigten Artefakte zu erstellen. Die Arbeit beschreibt einen XML-Netz-basierten Ansatz zur Unterstützung einer kollaborativen Realisierung solcher Systeme, der eine integrierte formale Modellierung der verschiedenen Aspekte enthält und Transformationen in unterschiedliche Zieltechnologien ermöglicht.

Kollaboration, Unternehmenssoftware, Frontends, Services, mobile Endgeräte

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Innerhalb dieser Arbeit wurden Lastkollektive entwickelt, mit Hilfe derer die Betriebsfestigkeitsberechnung nach dem Nennspannungskonzept durchgeführt werden kann. Als Versuchsträger wurde ein Teleskoplader mit einem hydrostatischen Fahrantriebsstrang verwendet. Diese Lastkollektive wurden auf Basis von realen Belastungs-Zeit-Funktionen (BZF) in Abhängigkeit der Tätigkeit bzw. des Arbeitsprozesses erstellt. Die BZF wurden auf drei landwirtschaftlichen Testbetrieben im praktischen Einsatz aufgezeichnet.Die erstellten Bemessungskollektive für einen durchschnittlichen deutschen landwirtschaftlichen Betrieb haben eine gute Übereinstimmung zu den Testbetrieben gezeigt. Der Vergleich wurde mit schädigungsäquivalenten Einstufenersatzkollektiven, aufbauend auf der Regel Miner elementar, durchgeführt.

Lastkollektive, Betriebsfestigkeit, Teleskoplader, Mobile Arbeitsmaschinen, Fahrantrieb