Local Positioning Systems —— LBS Applications and Services

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ISBN: 9780849333491 出版年：2017 页码：489 Kolodziej, Krzysztof W Hjelm, Johan CRC Press

The Three L's: Location, Location, Location Application Examples and Use Cases People/Asset Management and Tracking Health Care and Mobile Patient Monitoring Security Emergencies Location-Based Network Access/Security Games Retail and Shopping Retail, Advertisement, and Marketing Retail and Postanalysis of Shopping Behavior Tour Guides Other Preconditions and Frameworks for LBS Development Preconditions (LBS Market and Development) A Framework for Developing Indoor Location-Based Services Four Dimensions of Development Three Steps to Location Service Development Infrastructure The Infrastructure Components The Software Infrastructure Communication Infrastructure Example: Crickets in the MIT Facilities Environment Positioning Infrastructure Sensor Systems for Indoor Position Computation Positioning Systems and Algorithms Positioning Algorithms Position Estimation Algorithms Location Awareness and Navigation in Location-Based Systems Indoor Data Sources for Location Data Two-Dimensional vs. Three-Dimensional Spatial Reference Systems Network Path Planning Geocoding Ontology Referencing Algorithms Expressing World Models Spatial Database Systems Navigation Algorithms Map-Matching Algorithms Conclusion Existing Indoor Location Systems: How They Work Featured Indoor Location Positioning Systems Ekahau Positioning System Intel Place Lab and Skyhook WPS Microsoft Research Radar Rosum TV AeroScout BLIP Systems Modeling Location Mobile Location Protocol OGC Languages: SensorML, GML, Etc. Nexus Augmented World Modeling Language and Augmented World Query Language Navigation Modeling Languages Service Deployment Step 1: Site Survey Step 2: Create a Positioning Model Step 3: Calibrate the Positioning Model/Signal Map (Training) Step 4: Access Point Placement and Configuration Step 5: Tracking Step 6: Maintenance (Periodic Accuracy Test) Using the Ekahau Positioning System Using MIT Cricket Using Place Lab References Privacy Concerns and Methods for Safeguarding Privacy Constraints Connection-Level Privacy: Location-Identifier Split Service-Level Privacy: Identifiers as a Privacy Problem Application-Level Privacy: Visualization of Privacy Development and Deployment of Indoor Location-Based Services Trilateration Location Fingerprinting Potential Issues When Deploying a Wi-Fi-Based Positioning System Integrating Different Systems Developing the Location Database Creating the Software Infrastructure Questions to Ask When Selecting Application Servers The Application Data Flow Personalization Using Filters in Servlets Content Comparison and Equivalence Temporal Context Interval Operators Composite/Sequence Pattern Operators Syntax Examples Interfaces to External Services Standards Interoperability and the Role of Standardization Standards Frameworks OMA Location Working Group The Success of Standards: Adoption Index