ZigBee 定位演算法之研究

Study on ZigBee Location Algorithm

賴皇志(Huang-Chich Lai)

指導教授 ： 謝忠健

大同大學/電機資訊學院/資訊工程學系所/碩士(2010年)

摘要

在無線感測網路用於健康看照上的技術上越來越發達與成熟。因此要是能搭備使用無線感測網路特性的定位系統,如此一來，當使用者發生狀況時其位置可以馬上被得知，減少尋找的時間。而且無論是在孩童或是患者的看照上也可以稍微紓減看照人員的不足的現狀。
因此本文對其中的定位系統做了一些研究，並對其可能造成誤差提出一些假設。然後用了一些方法嘗試去改善，而結果顯示出無論是在最大誤差、最小誤差或平均誤差上相較於改善之前結果都是變小，而且在誤差的統計上也是成功的減少誤差距離。

關鍵字

ZigBee ； 定位系統 ； 接收訊號強度指示

並列摘要

In recent years, the wireless sensor network technology used in health care is well developed and mature. Therefore, people can use the characteristics of wireless sensor network to locate the position when monitored patient’s physiological is showing warning message. The advantage of this system is that patient can be found without any delay. It also can solve the problem about lack of person who takes care of child.
In this thesis, we study the methods and the problems that may cause deviation on ZigBee position locator and propose a method to improve the accurate of position location. The result shows that on average there will have over 25% improvement as compare to Circle Intersection Points (CIP) algorithm and Circle Intersection Lines (CIL) algorithm.

並列關鍵字

ZigBee ； location system ； received signal strength indicator

參考文獻

Mechanism for Wearable Health Monitoring System,” ISCIT 2009. 9th International

Symposium, 2009, Pages 555 - 559

Transmission in ZigBee Based Health Monitoring System,” ICACT 2008. 10th

[3] Mao-Cheng Huang , Jyun-Ciang Huang, Jing-Cyun You and Gwo-Jia Jong, “The

Wireless Sensor Network for Home-Care System Using ZigBee,” IIHMSP 2007.