本文選題：室內(nèi)定位　切入點：導(dǎo)航　出處：《東華大學(xué)》2013年碩士論文

【摘要】：隨著無線通信技術(shù)的快速發(fā)展和人們對定位服務(wù)需求的日益增多,無線導(dǎo)航定位技術(shù)獲得原來越多的關(guān)注。全球定位系統(tǒng)GPS(Global Position System)是20世紀(jì)70年代由美國研制的衛(wèi)星導(dǎo)航定位系統(tǒng)。對于信號到達(dá)較為容易的開闊的室外環(huán)境,GPS可以提供高精度的定位信息。而對于室內(nèi)環(huán)境,山于建筑物本身的遮擋,使得在室內(nèi)環(huán)境中接收到的GPS信號極其微弱,無法從中獲得定位所需的有效信息。 為解決這個問題,本文設(shè)計并實現(xiàn)了一個室內(nèi)導(dǎo)航定位系統(tǒng)。該系統(tǒng)主要應(yīng)用于大型超市、展會、候機(jī)樓。該系統(tǒng)最大的特點在于部署簡單,不需要額外的部署設(shè)備,僅使用現(xiàn)有的WiFi網(wǎng)絡(luò)和一個移動終端就可以為用戶提供導(dǎo)航定位服務(wù)。系統(tǒng)的實現(xiàn)融合了慣性定位和WiFi(Wireless Fidelity)定位兩種方法。該系統(tǒng)分為兩部分：1、定位服務(wù)器；2、導(dǎo)航定位終端。導(dǎo)航定位終端是一個Android移動終端,導(dǎo)航定位終端從定位服務(wù)器下載室內(nèi)地圖為用戶提供導(dǎo)航定位服務(wù)。本文為移動終端設(shè)計一個Android應(yīng)用軟件,該應(yīng)用軟件通過Android移動終端上的WiFi、電子羅盤、加速度傳感器來完成導(dǎo)航定位功能。 論文中使用JOSM和MapActivity軟件設(shè)計電子地圖,采用最短路徑算法實現(xiàn)導(dǎo)航功能,設(shè)計了解析電子地圖的算法和生成最短路徑相鄰矩陣算法；在慣性定位模塊中實現(xiàn)用戶運(yùn)動檢測算法和設(shè)計路徑匹配算法,使用二維碼獲取用戶起始位置；論文對傳統(tǒng)的WiFi定位算法進(jìn)行了改進(jìn),減少了算法的運(yùn)行時間。經(jīng)過實地測試,本文所設(shè)計的導(dǎo)航定位系統(tǒng)的定位誤差接近5米,滿足設(shè)計要求。
[Abstract]:With the rapid development of wireless communication technology and the increasing demand for positioning services, The more attention has been paid to the technology of wireless navigation and positioning, the global positioning system (GPS(Global) is a satellite navigation and positioning system developed by the United States in the 1970s. Provides high precision location information. For indoor environments, The GPS signal received in the indoor environment is so weak that the effective information needed for location can not be obtained due to the shielding of the mountain in the building itself. In order to solve this problem, an indoor navigation and positioning system is designed and implemented in this paper. The system is mainly used in large supermarkets, exhibitions and terminal buildings. Only using the existing WiFi network and a mobile terminal can provide navigation and positioning services for the user. The implementation of the system combines inertial positioning and WiFi(Wireless positioning. The system is divided into two parts: 1, 2, and navigation. Positioning terminal. Navigation terminal is a Android mobile terminal, This paper designs a Android application software for the mobile terminal. The application software is via the WiFi-electronic compass on the Android mobile terminal, the navigation and positioning terminal download the indoor map from the location server to provide the navigation and positioning service for the user, this paper designs a Android application software for the mobile terminal. Acceleration sensor to complete the navigation and positioning function. In this paper, JOSM and MapActivity are used to design the electronic map, and the shortest path algorithm is used to realize the navigation function. The algorithm for analyzing the electronic map and the algorithm for generating the shortest path adjacent matrix are designed. In the inertial positioning module, the user motion detection algorithm and the design path matching algorithm are realized, and the user starting position is obtained by using the two-dimensional code. The traditional WiFi location algorithm is improved to reduce the running time of the algorithm. The positioning error of the navigation and positioning system designed in this paper is close to 5 meters, which meets the design requirements.
【學(xué)位授予單位】：東華大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2013
【分類號】：TN929.5;P228.4

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