【作者】 赵晶亮；

【导师】 苏新彦；

【作者基本信息】 中北大学 ， 信号与信息处理， 2012， 硕士

【摘要】 随着物联网技术的不断发展和导航定位需求的快速增加，室内定位已成为全球定位系统在室内环境的重要补充，也是目标全程跟踪定位的瓶颈。由于室内传输环境的复杂性和干扰源的多样性，使得室内定位系统存在数据传输不可靠、抗干扰能力差等问题。本文以射频识别技术为依托，借助无线收发模块CC1100以及超低功耗MCU等，设计了基于射频识别的室内定位硬件系统，该系统对于智能环境、人机交互过程、物业管理系统等系统都具有十分重要的应用价值。在RFID及其室内定位工作原理的基础上，设计了包括读取器、标签、电源供电及数据显示和存储模块的硬件系统，其中读取器单元包括主控器、CC1100无线模块、电源单元和USB转485总线部分，通过半双工模式通信，完成对RSSI等信息的转发；标签单元包括MCU、无线模块和电源部分，通过检测识别读取器指令，借助无线单元将RSSI等信息发送到读取器单元；软件上，主要设计了读取器单元和标签单元的软件流程，通过进行对读取器和标签之间的防碰撞设计，准确的传输RSSI等信息。试验测试结果表明，在室内外20m*20m范围内和直线50m距离内，采用基于射频识别的室内定位硬件系统，可稳定的实现数据获取等功能，达到了课题任务的要求。更多还原

【Abstract】 With the development of Internet technology and the rapidly increasing demand ofnavigation localization, indoor location has become an important complement of globallocalization system for indoor environments and the bottlenecks of target tracking location.Because of the complexity of indoor transmission environment and the diversity ofinterference sources, so the indoor localization system exists the problems that the datatransmission is not reliable,the anti-jamming capabilities is poor and so on. This article isbacked by radio frequency identification technology, with CC1100 wireless transceivermodules and ultra low power MCU, designs the indoor Localization system based onRFID.This system has the important application value for intelligent environments,human-computer interaction process, property management systems, and so on.The paper designs the hardware system including read device, label, power,the datadisplayed and storage module,the based on the RFID and indoor positioning work principle.The read device unit includs main control device, CC1100 wireless module, power unit andUSB to 485 bus part, communicated by half duplex mode, and completes the RSSIinformation.label unit includs MCU, wireless module and power part.Via detection therecognition read device instruction, RSSI information is sent to a reader unit by wireless unit.Software mainly designs the software processes of reader unit and label. Through the collisionbetween the reader and the tag design, system transmisses RSSI information accurately.Test results show that, in the context of indoor and outdoor 20m*20m and linear 50mdistance, using the indoor localization system based on RFID, can realize the function ofdata acquisition stably. It can meet the requirements of project tasks.更多还原