对现有的基于WSN(无线传感器网络)的射频定位技术进行了总结;分析了射频定位系统研究中的关键技术,包括WiFi(无限局域网)、RFID(射频识别定位)、ZigBee、CSS(扩频定位)和UwB(超宽带定位技术),指出了目前射频定位技术所面临的问题;最后,展望了射频定位技术的前景及其对人类生活、工业发展、科技进步的促进作用.
The existing RF(Radio frequency) positioning technology based on WSN (Wireless Sensor Network) were summarized firstly, and the key technologies of RF positioning technology were analyzed, including WiFi technology, RFID (Radio Freguence Identification) technology, ZigBee technology, CSS (Chirp Spread Spectrum) technology and UWB(Ultra Wideband) technology, the current problems of the RF positioning technology were pointed out. Finally, this paper gave the future prospects of RF positio- ning technology, as well as its facilitating role to human life, industrial development, scientific and techno- logical progress.