Abstract
In recent years the safety management system develops fast, in view of this kind of situation, puts forward a method based on Wireless Fidelity(Wi-Fi) real-time location system. The traditional safety management system, often use crediting card or by way of fingerprints, the efficiency is low, it is inconvenient to use these technology in so busy channel. Wi-Fi-based real-time location system links many technology such as Wi-Fi, RFID, real-time location. Introduces location system's structure and the localization principle in detail, and give working principle diagrams, analyzes the strategy of early warning system, finally summarises the characteristics of the system.
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