Vehicle Location and Navigation Systems

Yilin Zhao is a senior research and development engineer at the IVHS division of Motorola, Inc. A graduate of the Dalian University of Technology in China, he earned his Ph.D. in electrical engineering and computer science at the University of Michigan. Dr. Zhao is a member of the IEEE TAB Intelligent Transportation Systems Committee.

• Introduction: Brief History. Modern Vehicle Location and Navigation References. Digital Map Database Module: Introduction. Basic Representations. Reference Coordinate Systems. Standards. Proprietary Digital Map Databases. Digital Map Compilation. Positioning Module: Dead Reckoning. Relative Sensors. Absolute Sensors. Sensor Fusion. Map-Matching Module: Conventional Map-Matching. Fuzzy-Logic-Based Map-Matching. Other Map-Matching Algorithms. Map-Aided Sensor Calibration. Route-Planning Module: Shortest Path. Heuristic Search. Bi-Directional Search. Hierarchical Search. Other Algorithms. Route Guidance Module: Guidance While En-Route. Guidance While Off-Route. Guidance With Dynamic Information. Human-Machine Interface Module: Visual-Display-Based Interfaces. Voice-Based Interfaces. Wireless Communications Module: Communication Subsystem Attributes. Existing Communications Technologies. Communications Subsystem Integration. Autonomous Location and Navigation: Vehicle Location. Vehicle Navigation. Centralized Location and Navigation: Automatic Vehicle Location. Dynamic Navigation. Applications -- Mayday. A Case Study -- ADVANCE: Traffic Information Center. Mobile Navigation Assistant. Communications Network. Initial Evaluation Results. Conclusions: Past Lessons. Future Directions. Appendices.