Title Message dissemination techniques in opportunistic underwater sensor networks / Linfeng Liu, Ran Wang, Jiagao Wu

Published Singapore : Springer, [2021]

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Description 1 online resource (176 pages) : illustrations Contents Intro -- Acknowledgments -- Contents -- List of Figures -- List of Tables -- 1 Introduction -- 1.1 Background -- 1.1.1 OUSNs -- 1.1.2 Message Dissemination Problem in OUSNs -- 1.2 Research Focus -- 1.3 Organization of This Book -- References -- 2 Literature Review -- 2.1 Message Dissemination in DTNs and MSNs -- 2.2 Message Dissemination in OUSNs -- 2.3 Some Related Issues -- 2.3.1 Mobility Prediction -- 2.3.2 Network Throughput Optimization -- 2.3.3 Markov Decision Process in Message Dissemination -- 2.4 Conclusions -- References 4 Message Dissemination in OUSNs with GPS-Free Nodes -- 4.1 OUSN Model -- 4.1.1 Underwater Mobility Model -- 4.1.2 Distribution Uniformity of Message Holders -- 4.1.3 Problem Objectives -- 4.2 Three Metrics Affecting the Accidental Encounters Between Nodes -- 4.2.1 Dynamical Percolation Model -- 4.2.2 Movement Speed -- 4.2.3 Time Slot Sequence -- 4.2.4 Distribution Uniformity -- 4.3 Message Dissemination Algorithm Based on GPS-free Nodes -- 4.4 GDFA Analysis -- 4.4.1 Complexity -- 4.4.2 Heterogeneity of Communication Ranges -- 4.5 Simulation Results and Discussions 5.5.4 Comparisons with Other Algorithms -- 5.6 Conclusions -- References -- 6 Freshness-Cost Ratio Optimization of Message Dissemination in OUSNs -- 6.1 Message Freshness and Problem Objectives -- 6.1.1 Message Freshness -- 6.1.2 Problem Objectives -- 6.2 Time-Inhomogeneous Ergodic Markov Chain for Message Dissemination -- 6.2.1 States Transitions Due to Node Movement -- 6.2.2 State Transitions Due to Message Dissemination -- 6.2.3 Time-Inhomogeneous Markov Chain -- 6.3 Message Dissemination Solutions -- 6.3.1 Markov Decision Process and Centralized Solution -- 6.3.2 Distributed Solution -- 6.4 MDM Analysis Summary This book investigates the architectures and characteristics of OUSNs, the mobility models of OUSN nodes, the challenges of message dissemination, and some evaluation indexes of message dissemination. Then, this book provides some message dissemination techniques in OUSNs from the viewpoints of nodes and data messages, respectively. The proposed message dissemination techniques and their conclusions can provide some useful insights to improve the performance of data message dissemination and promote the future applications of OUSNs. Researchers and engineers in the field of underwater sensor networks can benefit from the book Bibliography Includes bibliographical references Notes Print version record Subject Sensor networks. Underwater acoustic telemetry. Electrical engineering. Signal processing. Image processing. Speech processing systems. Oceanography. Oceanography electrical engineering. image processing. oceanography. Electrical engineering Image processing Oceanography Sensor networks Signal processing Speech processing systems Underwater acoustic telemetry Form Electronic book Author Wang, Ran, author Wu, Jiagao, author ISBN 9789813343818 9813343818

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