1、Dalian University of Technology Performance Analysis with Traffic Accident for Cooperative Active Safety Driving in VANET/ITS（在VANET/ITS中對協(xié)同主動安全駕駛的帶有交通事故的性能分析） Wireless Pers Commun (2014) Ben-Jye Chang Ying-Hsin Liang Houng-Jer Yang Performance Analysis with Traffic Accident for Cooperative Active S

2、afety Driving in VANET/ITSDalian University of Technology v Ben-Jye Chang 張本杰 Education： 博士：國立中正大學 （19972001） 碩士：美國麻省大學 （19901992） Departmen : 國立云林科技大學 計算機科學與信息工程 教授兼主任 Research： Wireless Networks Mobile Ad Hoc Networks ATM Networks作者介紹作者介紹 Performance Analysis with Traffic Accident for Cooperative

3、Active Safety Driving in VANET/ITSDalian University of Technology v Ying-Hsin Liang Education： 博士：國立彰化師范大學 （2005） 碩士：美國麻省大學 （1993） Departmen : 南開科技大學 教授 Performance Analysis with Traffic Accident for Cooperative Active Safety Driving in VANET/ITSDalian University of Technology Performance Analysis w

4、ith Traffic Accident for Cooperative Active Safety Driving in VANET/ITSHoung-Jer Yang Education: 碩士：朝陽科技大學（2010）Research: vehicular networking performance analysis in wireless networksDalian University of Technology 提出兩階段的方法模型 1 對VANET進行性能分析，并考慮有交通事故和無交通事故的情況，分析出連通概率（connectivity probability）得出可靠的數(shù)據(jù)

5、包路由（packet routing）2 利用1階段分析的結果，得出動態(tài)車輛導航的自適應車輛路由（AVR: adaptive vehicle routing） AbstractPerformance Analysis with Traffic Accident for Cooperative Active Safety Driving in VANET/ITSDalian University of Technology Performance Analysis with Traffic Accident for Cooperative Active Safety Driving in VAN

6、ET/ITSmotivation motivation v 因為車輛的高速移動 ，多元的路的拓撲結構等原因， ASD（active safety driving ）的性能分析比較困難v 數(shù)據(jù)包連通概率分析不準確將嚴重影響VANET/ITS的性能v 現(xiàn)在的對VANET/ITS的性能分析很少考慮車輛事故的因素Dalian University of Technology Performance Analysis with Traffic Accident for Cooperative Active Safety Driving in VANET/ITSRelated Worksv宏微觀模型：對宏

7、觀（Macro）和微觀(Micro)模型分析連通概率 宏觀模型：數(shù)據(jù)連通受路的拓撲結構，路段，信號燈，車輛類型影響 微觀模型：駕駛員行為，車輛間作用（細節(jié)）v缺點：分析起來太復雜，受路的網(wǎng)絡結構模型（硬件）和駕駛員表現(xiàn)（軟件）影響Dalian University of Technology Performance Analysis with Traffic Accident for Cooperative Active Safety Driving in VANET/ITSv用GPS結合電子地圖給出靜態(tài)路由 缺點： 在路口時導致嚴重塞車 所確定的路徑可能不是最短的移動時間Dalian Uni

8、versity of Technology Performance Analysis with Traffic Accident for Cooperative Active Safety Driving in VANET/ITSPurpose: 實現(xiàn)可靠的車輛導航，實現(xiàn)最少的移動時間，最少的耗油量，平衡交通流量負載，減少事故發(fā)生率Dalian University of Technology Performance Analysis with Traffic Accident for Cooperative Active Safety Driving in VANET/ITSDalian U

9、niversity of Technology Performance Analysis with Traffic Accident for Cooperative Active Safety Driving in VANET/ITS分析階段分析階段 1 1 感知交通信息感知交通信息 v假設每兩車都配備傳感器和無線網(wǎng)絡設備，則可獲得平均車速和一條路上的車輛數(shù)Dalian University of Technology Performance Analysis with Traffic Accident for Cooperative Active Safety Driving in VANE

10、T/ITS交通密度交通密度高交通密度的道路可以提供可靠地數(shù)據(jù)路由，但會增加行車時間。Dalian University of Technology Performance Analysis with Traffic Accident for Cooperative Active Safety Driving in VANET/ITS2 2 查詢交通信息查詢交通信息 v 采集完道路的交通密度，則可向目的地方向發(fā)送廣播類型的查詢信息，以便查詢出源節(jié)點與目的地之間的交通信息。但會產(chǎn)生大量控制信息開銷。高效！高效！Dalian University of Technology Performance

11、Analysis with Traffic Accident for Cooperative Active Safety Driving in VANET/ITS3 3 分析數(shù)據(jù)包連通概率并得出可靠數(shù)據(jù)路由分析數(shù)據(jù)包連通概率并得出可靠數(shù)據(jù)路由 Dalian University of Technology Performance Analysis with Traffic Accident for Cooperative Active Safety Driving in VANET/ITS數(shù)據(jù)包連通概率數(shù)據(jù)包連通概率 Dalian University of Technology Perfor

12、mance Analysis with Traffic Accident for Cooperative Active Safety Driving in VANET/ITSrv自適應路徑選擇Re-routing階段階段2 2 自適應路徑選擇（自適應導航）自適應路徑選擇（自適應導航） : 平均車速：路長rLDalian University of Technology Performance Analysis with Traffic Accident for Cooperative Active Safety Driving in VANET/ITSv實驗設置v Code: .NET C+v

13、 GDF(Geographical Data File)用作標準的地圖數(shù)據(jù)庫 （注：GDF是歐洲交通網(wǎng)絡表達的空間數(shù)據(jù)標準,用于描述和傳遞與路網(wǎng)和道路相關的數(shù)據(jù)。） v 世界大地測量系統(tǒng) 1984（WGS84）被采用為標準的經(jīng)度和緯度的坐標系。v 不同車速的耗油量用文獻45Dalian University of Technology Performance Analysis with Traffic Accident for Cooperative Active Safety Driving in VANET/ITSv實驗：參數(shù)設置Dalian University of Technolog

14、y Performance Analysis with Traffic Accident for Cooperative Active Safety Driving in VANET/ITS兩種網(wǎng)絡結構模型：直路結構，曼哈頓結構Dalian University of Technology Performance Analysis with Traffic Accident for Cooperative Active Safety Driving in VANET/ITSDalian University of Technology Performance Analysis with Tra

15、ffic Accident for Cooperative Active Safety Driving in VANET/ITS方法的比較Dalian University of Technology Performance Analysis with Traffic Accident for Cooperative Active Safety Driving in VANET/ITSDalian University of Technology Performance Analysis with Traffic Accident for Cooperative Active Safety Driving in VANET/ITSAVR總是避免選擇高交通密度的路段，因此可能導致以更長的行駛距離。Dalian University of Technology Performance Analysis with Traffic Accident for Cooperative Activ