iPhone Independent Real Time Localization System Research and Its Healthcare Application

• 作者: Wei Liu Xintong Lu Yongliang Guan
• 来源期刊: 物联网(英文)
• 学科: 医学
• 关键词: IPHONE RTLS WIFI Healthcare
• 年，卷（期）: 2013,（4）
• 页码范围: 53-65
• 页数: 13页
• 分类号: R73

摘要

This project studied several popular localization algorithms on iPhone and, according to the demands, specifically designed it to improve healthcare IT system in hospitals. The challenge of this project was to realize the different localization systems on iPhone and to make balance between its response time and localization accuracy. We implemented three popular localization algorithms, namely nearest neighbor (NN), K-nearest neighbor (KNN), and probability phase, and we compared their performance on iPhone. Furthermore, we also implemented a real-time localization system using the ZigBee technology on iPhone. Thus, the whole system could realize not only self-localization but also others-localization. To fulfill the healthcare needs, we developed an application, which can be used to improve the hospital IT, system. The whole project included three phases. The first phase was to localize iPhone’s position using the received WiFi signal by iPhone, compare and optimize their performances. During the second phase, we implemented a ZigBee RFID localization system and combined it with the WiFi system. Finally, we combined new features of the system with a healthcare IT system. We believe that this application on iPhone can be a useful and advanced application in hospitals.