Abstract
Microcellular systems, such as the Personal Handyphone System, need a large number of cell stations to cover service areas. Therefore, a quick and efficient means to evaluate a service area is of great importance. This paper describes a new microcell automatic propagation measuring system (MAPS) employing location recognition and cell-site identification. Service-area evaluation of microcellular systems based on field experiments in urban and suburban areas is also described. Measurement location is recognized using the Global Positioning System, an optical-fiber gyroscope, and a vehicle speed sensor. Cell-site identification is determined through cell-station ID. Computer-aided propagation-data processing using a map database is adopted for service area mapping. This enables evaluation of cell overlaps, out-of-service areas, cell shapes, interference, etc. This system greatly improves the efficiency in propagation measurement and evaluation of service area for microcellular systems.
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