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研究生:郭映麟
研究生(外文):GUO, YING-LIN
論文名稱:基於OTDOA於封閉空間對移動裝置之定位與追蹤
論文名稱(外文):Positioning and Tracking of Mobile Devices Based on OTDOA in Closed Space
指導教授:萬欽德
指導教授(外文):WANN, CHIN-DER
口試委員:楊新雄李建德
口試委員(外文):YANG, HSIN-HSYONGLEE, JIANN-DER
口試日期:2018-12-24
學位類別:碩士
校院名稱:國立高雄科技大學
系所名稱:電腦與通訊工程系
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2018
畢業學年度:107
語文別:中文
論文頁數:63
中文關鍵詞:小細胞基站適應性卡爾曼濾波器訊號抵達時間差定位法幾何精度稀釋目標定位與追蹤次世代通訊
外文關鍵詞:Small-cell Mobile Communication NetworkNext Generation Com- munication SystemTarget location and trackingAdaptive Kalman lterTime Difference of ArrivalGeometric Dilution of Precision
相關次數:
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隨著通訊網路的進步4G網路發展越來越成熟,小細胞基站的應用方式也越來
越廣泛。而本論文將探討基於LTE-A (Long Term Evolution Advanced)網路架
構,應用於封閉空間中對移動裝置的定位與追蹤,本文欲使用觀察抵達時間差
(Observation Time Difference of Arrival, OTDOA)以達到定位移動裝置的目的,
接著以具封閉解之最小平方定位法,球面交點法(Spherical-Intersection, SX)來估
測移動裝置之位置,並藉由計算該點之幾何精度稀釋值(Geometric Dilution of
Precision, GDOP)並配合適應性卡爾曼濾波器(Adaptive Kalman Filter, AKF)以
調整量測雜訊共變異矩陣,反覆疊代計算以得到更精準的估測資訊,本論文對於
封閉空間對移動裝置的定位與追蹤以三種不同方式,基站陣列於移動裝置等高分
佈,基站陣列於移動裝置上方分佈,基站陣列於移動裝置上下分佈,首先探討在
三種分佈模式下GDOP值的分佈,將三種方式比較過後,發現上下分佈可以得到
最低的GDOP值效應,接著將其GDOP值代入AKF進行調整,整理後發現當基地
台陣列於封閉空間上下分佈時追蹤的誤差最小。
With the advancement of communication networks, the development of 4G networks
is becoming more and more mature, and the applications of small-cell base stations
are becoming more and more extensive. This thesis will explore the applications
of the LTE-A (Long Term Evolution Advanced) network architecture in locating
and tracking mobile devices in closed space. In own work, the Observation Time
Difference of Arrival (OTDOA) method is used. To achieve the purpose of locating
the mobile device, position estimate of the mobile device using the least square po-
sitioning method with closed solution,the Spherical-Intersection (SX) is studied. By
calculating the Geometric Dilution of Precision (GDOP), the Adaptive Kalman Fil-
ter (AKF) is used to adjust the noise covariation matrix. In this thesis, the eNodeBs
for positioning and tracking of mobile devices in closed space are distributed in three
different ways. We investigate the GDOP values and the response of positioning and
tracking in the three different distribution modes. After the comparison, it is found
that the case with upper and lower distributions can obtain the lowest GDOP effect.
The GDOP value is substituted into the AKF for adjustment.We have found that
the tracking error is minimal when the base station array is distributed surrounding
in the closed space.
中文摘要
英文摘要
誌謝
目錄
圖目錄
一、緒論
1.1 研究背景
1.1.1 定位精準度之影響因素
1.1.2 幾何精度稀釋效應(GDOP)
1.2 研究動機
1.3 論文架構
二、LTE-A之OTDOA定位法
2.1 LTE-A系統介紹
2.2 定位流程
2.2.1 觀測性訊號抵達時間差法(OTDOA)
2.2.2 OTDOA之定位演算法
2.2.3 基於SX Method之TDOA定位法
三、基地台陣列中GDOP效應
3.1 封閉空間中基地台陣列之分佈
3.2 移動裝置之預測與追蹤以及誤差抑制
3.2.1 對移動裝置的預測與追蹤
3.2.2 以GDOP值調整量測雜訊共變異數
四、電腦模擬與分析
4.1 模擬定位環境之參數設定
4.1.1 未導入GDOP值進行追蹤
4.1.2 導入GDOP值進行追蹤
4.2 定位結果與比較
五、結論與建議
5.1 結論
5.2 建議
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