ABSTRACT
Contents 3.1 Introduction ..................................................................................................................... 60 3.2 Wireless Geosensor Networks: An Overview ....................................................................61 3.3 Geometrical Issues in Deployment of Geosensor Wireless Networks ............................... 62
3.3.1 Sensing Models ..................................................................................................... 62 3.3.1.1 Variable Sensibility ................................................................................. 63 3.3.1.2 Noncircular Sensibility ........................................................................... 64
3.3.2 Communication Models ........................................................................................65 3.3.3 Preliminary Geometric Structures ........................................................................ 66
3.4 Spatial Coverage in Geosensor Networks ......................................................................... 68 3.4.1 Coverage Estimation Based on the Concept of Exposure ...................................... 69
3.5 Optimization Algorithms in Geosensor Networks Deployment ....................................... 71 3.5.1 Global Approaches ................................................................................................ 71 3.5.2 Local Approaches .................................................................................................. 72
3.5.2.1 Voronoi-Based Solutions for Static Sensor Networks .............................. 73 3.5.2.2 Voronoi-Based Solutions for Mobile Sensor Networks ............................ 73 3.5.2.3 Voronoi-Based Solutions for Hybrid Sensor Networks .............................76
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