基于簇结构及TDMA的无线定位系统设计与应用  

Design and Application of Wireless Location System Based on Cluster Structure and TDMA

作　　者：林涛[1] 张震[1] 袁永[1] 徐伟鑫[1] 

机构地区：[1]河北工业大学自动化系,天津300130

出　　处：《计算机测量与控制》2014年第2期542-543,565,共3页Computer Measurement &Control

摘　　要：分析了室内定位系统的共同特点,研究了传统的室内定位系统结构,设计了基于nanoPAN5375无线收发芯片和ATmega128L单片机的无线定位硬件终端,提出了基于簇结构以及TDMA(Time Division Multiple Access)网络协议的组网方法,并应用于系统,实现了精确定位;实验结果证明,该系统在500 m*500 m范围内,簇内拥有多个移动节点的同时定位误差始终保持在1 m之内;因此该系统具有良好的定位实时性、精确性,并且提高了移动节点的容量,能够满足实际应用的需要。The common feature of indoor positioning system is analyzed and the structure of traditional indoor positioning system is stud led. Then the design of wireless hardware terminal for positioning based on the nanoPAN5375 chip and ATmega128L is completed. Mean while, a networking method based on cluster architecture and TDMA （Time Division Multiple Access） network protocol is proposed to sup- port operation of the wireless positioning system. Practice has proved that when there are a plurality of mobile nodes in one cluster, the positioning error remains within lm in the range of 500m ＊ 500m. So the system can provide good performance in real--time and accuracy while used for indoor positioning, improve the capacity of the mobile nodes and meet the needs of practical application.

关 键 词：无线定位 nanoPAN5375 组网 分簇 TDMA 

分 类 号：TP23[自动化与计算机技术—检测技术与自动化装置]