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研究生： 王姿文
Tzu-Wen Wang
論文名稱： 基於RSSI之受困者定位
Localization of Trapped People using Received Signal Strength Indication
指導教授： 鄭瑞光
Ray-Guang Cheng
口試委員: 許獻聰
Shiann-Tsong Sheu
曹孝櫟
Shiao-Li Tsao
鄭欣明
Shin-Ming Cheng
學位類別： 碩士
Master
系所名稱： 電資學院 - 電子工程系
Department of Electronic and Computer Engineering
論文出版年： 2015
畢業學年度： 103
語文別： 中文
論文頁數： 51
中文關鍵詞： 災區 、訊號強度法 、定位演算法
外文關鍵詞： Disaster area, Received signal strength indication (RSSI), Positioning algorithm
相關次數： 點閱：194  下載：11 
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  •  上一筆

    • 近年來世界各地自然災害的災情不斷，在災難發生後，針對災區搜索受困者議題，提出了基於四軸飛行器之搜索流程。
    本論文藉由手機定位，搜索人員至災區搜集受困者手機訊號強度(Received Signal Strength Indication, RSSI)資訊，並透過本論文所提出的定位演算法利用量測資料估測受困者位置，將結果顯示於離線地圖，找到隨身攜帶手機的受困者。本論文在此流程下，透過實驗及模擬的結果設定系統參數，最後，實驗結果證實本論文提出的方法可應用於實際環境，提供給救難人員救援之依據。

    Recently, natural disasters constantly happened around the world. To consider rescuers searching trapped people after disaster, we proposed a set of effective solutions to search trapped people which is based on quadrocopter for scanning automatically in the disaster area.
    We using the trapped people carried the mobile station (MS), and the search staff collect the signal strength of mobile station (Received Signal Strength Indication, RSSI) in the disaster area. Using measured data and the positioning algorithm we proposed to estimate trapped people location. The results displayed on the off-line map, and rescuers can find the trapped people. Base on the proposed process, we set system parameters through the results of experiments and simulations. Finally, experimental results show that the method can be used in the actual environment, rescuers can accord the positioning result to rescue the trapped people.

    論文摘要 Abstract 誌謝 目錄 圖目錄 表目錄 第一章 緒論 1.1研究動機與目的 1.2受困者手機定位文獻 1.3 Wi-Fi定位方法文獻 1.4論文內容介紹 第二章 系統架構 2.1基於四軸飛行器之搜索架構 2.2基於四軸飛行器之搜索流程 2.3定位誤差來源 2.4效能評估參數 2.4.1搜索時間(Searching time, T) 2.4.2受困者可偵測機率(Detection Probability, P) 2.4.3定位誤差(Localization Error, LE) 第三章 模組介紹 3.1航點規劃模組 3.1.1規劃航點介紹 3.1.2自動規劃航點 3.2搜索演算法 3.2.1動態航點搜索演算法 3.3 RSSI定位模組 3.3.1對數距離路徑損耗模型(Log-distance path loss model) 3.3.2定位演算法介紹 3.4地圖顯示模組 第四章 系統實作及模擬結果 4.1航點規劃模組實作 4.1.1自動圈選區域 4.1.2SimpleGrid航點規劃 4.2實現RSSI定位模組 4.3實作地圖顯示模組 4.4系統參數設定 4.4.1實測單位訊號衰減量 4.4.2設置航點間距 4.4.2.1對數-常態遮蔽效應(Log-normal shadowing model) 4.4.2.2模擬參數設置 4.2.3.3模擬結果 4.4.3設置掃描次數 4.5實測訊號覆蓋範圍 4.6實測定位誤差 第五章 結論 參考文獻 附錄A 製作離線地圖資料庫 附錄B 實作離線地圖

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