物联网的技术基础和应用，包括RFID 和ZIGBEE 等关键技术和未来应用-Internet of Things technology base and applications, including key technologies such as RFID and ZIGBEE and future applications

此文提出一种用射频标签RFID技术做定位以及导航的方法。使用标签反射能量（RSSI）来达到识别定位的目的。文章认为基站（阅读器）数目的增加，有利于定位精度的增加-An locating approach is proposed to find the location and tracking using RFID technique based on Received Signal Strength Indication (RSSI).It is found that the

introduction about serial data transfer upon wireless system. The slave and master take base role of this system.

基站芯片RC522的14443A读卡器设计 rfid开发相关-RC522 of the base station chip design rfid reader related to the development 14443A