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中文摘要：
随着移动通信与无线网络等技术的发展,无线定位技术越来越受到人们的关注。而室内定位技术由于其在军事、经济及人们的日常生活中具有广泛的潜在应用,成为当前的一个研究热点。文章首先介绍了几种主要的室内定位技术,如红外线、超声波、蓝牙、超宽带、射频识别、Wi Fi等,并对这些定位技术进行了比较。然后重点介绍一种新型的室内定位技术,LED可见光定位技术。该技术因其能效高、绿色环保、不受电磁干扰影响等优势而成为近来一个非常热门的研究课题。
英文摘要：
With the development of mobile communication and wireless network, wireless positioning technol?ogy is attracting more and more attention. The indoor positioning technology, because of its extensive potential application in military, economy and people’ s daily life, has recently become a hot research field. The paper first introduces several major indoor positioning technologies, such as infrared, ultrasonic, Bluetooth, UWB (ultra-wideband), RFID (radio frequency identification), WiFi (Wireless Fidelity), etc., and these posi?tioning technologies are compared. Then we will focus on a new indoor positioning technology based on LED visible light communication, which has become a very hot research topic for its advantages including high effi?ciency, environmental friendliness, immunity to electromagnetic interference and so on.
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