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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Sensor network deployment as least squares problems.

January 2011 (has links)
Xu, Yang. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2011. / Includes bibliographical references (leaves 99-104). / Abstracts in English and Chinese. / Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Background of Sensors and Sensor Networks --- p.2 / Chapter 1.2 --- Introduction to Coverage Problems --- p.6 / Chapter 1.3 --- Literature Review --- p.8 / Chapter 1.3.1 --- Deterministic Deployment Methods --- p.9 / Chapter 1.3.2 --- Dynamic Deployment Methods --- p.10 / Chapter 1.4 --- A Brief Introduction to Least Squares Analysis --- p.13 / Chapter 1.5 --- Thesis Outline --- p.15 / Chapter 2 --- Mobile Sensor Network Deployment Problem --- p.18 / Chapter 2.1 --- Sensor Coverage Models --- p.18 / Chapter 2.1.1 --- Binary Sensor Models --- p.19 / Chapter 2.1.2 --- Attenuated and Truncated Attenuated Disk Models --- p.20 / Chapter 2.2 --- Problem Statement --- p.23 / Chapter 3 --- Coverage Optimization as Nonlinear Least Squares Problems --- p.26 / Chapter 3.1 --- Introduction --- p.26 / Chapter 3.2 --- Network Deployment as Least Squares Problems --- p.28 / Chapter 3.2.1 --- Assignment of Sample Points --- p.28 / Chapter 3.2.2 --- Least Squares Function --- p.30 / Chapter 3.2.3 --- Gauss-Newton Method --- p.33 / Chapter 3.2.4 --- Solutions --- p.36 / Chapter 3.3 --- Extension to Binary Sensor Models --- p.39 / Chapter 3.3.1 --- Restrictions of Subgradient Methods --- p.40 / Chapter 3.3.2 --- Sigmoid Functions --- p.42 / Chapter 3.4 --- Convergence and Multiple Minima Issues --- p.44 / Chapter 3.4.1 --- Convergence --- p.44 / Chapter 3.4.2 --- Multiple Minima --- p.48 / Chapter 3.5 --- Stopping Criteria --- p.52 / Chapter 3.6 --- Summary --- p.53 / Chapter 4 --- Experimental Results --- p.55 / Chapter 4.1 --- Introduction --- p.55 / Chapter 4.2 --- Numerical Examples --- p.56 / Chapter 4.2.1 --- Examples of Attenuated Disk Models --- p.57 / Chapter 4.2.2 --- Examples of Binary Sensor Models --- p.63 / Chapter 4.3 --- Performance Metrics of Mobile Sensor Deployment Schemes --- p.68 / Chapter 4.4 --- Comparison to Existing Methods --- p.74 / Chapter 4.5 --- Summary --- p.81 / Chapter 5 --- Conclusions --- p.83 / Chapter 5.1 --- Conclusions --- p.83 / Chapter 5.2 --- Future Research Directions --- p.85 / Appendices --- p.87 / Chapter A --- An Overview of Existing Deployment Methods --- p.88 / Chapter A.1 --- Potential Fields and Virtual Forces --- p.88 / Chapter A.2 --- Distributed Self-Spreading Algorithm --- p.92 / Chapter A.3 --- VD-Based Deployment Algorithm --- p.96 / Bibliography --- p.99
2

Spatial modelling and analysis of wireless ad-hoc and sensor networks: an energy perspective

Baek, Seung Jun 28 August 2008 (has links)
Not available / text

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