Location‐Based Services

Preface. List of Abbreviations. 1 Introduction. 1.1 What are Location-based Services? 1.2 Application Scenarios. 1.3 LBS Actors. 1.4 Standardization. 1.5 Structure of this Book. Part I: Fundamentals. 2 What is Location? 2.1 Location Categories. 2.2 Spatial Location. 2.3 Conclusion. 3 Spatial Databases and GIS. 3.1 What are Spatial Databases and GIS? 3.2 Geographic versus Spatial Data Models. 3.3 Representing Spatial Objects. 3.4 Features and Themes. 3.5 Algorithms of Computational Geometry. 3.6 Geography Markup Language. 3.7 Conclusion. 4 Basics of Wireless Communications. 4.1 Signals. 4.2 Propagation of Radio Signals. 4.3 Multiplexing and Multiple Access. 4.4 Conclusion. 5 Cellular Networks and Location…