Development of Land Vehicle Tracking System with GPS and Client/Server Structured Spatial Data Processing
A vehicle tracking system, which can efficiently monitor and control the vehicles, is emerging in many ITS/IVHS-related areas. GIS and GPS technology linked with means of wireless communication are essential to the system determining the vehicle location. It is required to have a technique to handle the huge amount of spatial data entailed in a digital road map in order to trace the accurate position within a reasonable time. In this paper, we propose a client/server solution for the spatial data processing and a cache method to improve the system performance.