標題: Vehicle Speed Estimation and Forecasting Methods Based on Cellular Floating Vehicle Data
作者: Lai, Wei-Kuang
Kuo, Ting-Huan
Chen, Chi-Hua
傳播與科技學系
電機工程學系
資訊管理與財務金融系 註:原資管所+財金所
Department of Communication and Technology
Department of Electrical and Computer Engineering
Department of Information Management and Finance
關鍵字: vehicle speed estimation;vehicle speed forecasting;cellular floating vehicle data;intelligent transportation system;cellular networks
公開日期: 1-Feb-2016
摘要: Traffic information estimation and forecasting methods based on cellular floating vehicle data (CFVD) are proposed to analyze the signals (e.g., handovers (HOs), call arrivals (CAs), normal location updates (NLUs) and periodic location updates (PLUs)) from cellular networks. For traffic information estimation, analytic models are proposed to estimate the traffic flow in accordance with the amounts of HOs and NLUs and to estimate the traffic density in accordance with the amounts of CAs and PLUs. Then, the vehicle speeds can be estimated in accordance with the estimated traffic flows and estimated traffic densities. For vehicle speed forecasting, a back-propagation neural network algorithm is considered to predict the future vehicle speed in accordance with the current traffic information (i.e., the estimated vehicle speeds from CFVD). In the experimental environment, this study adopted the practical traffic information (i.e., traffic flow and vehicle speed) from Taiwan Area National Freeway Bureau as the input characteristics of the traffic simulation program and referred to the mobile station (MS) communication behaviors from Chunghwa Telecom to simulate the traffic information and communication records. The experimental results illustrated that the average accuracy of the vehicle speed forecasting method is 95.72%. Therefore, the proposed methods based on CFVD are suitable for an intelligent transportation system.
URI: http://dx.doi.org/10.3390/app6020047
http://hdl.handle.net/11536/133531
ISSN: 2076-3417
DOI: 10.3390/app6020047
期刊: APPLIED SCIENCES-BASEL
Volume: 6
Issue: 2
起始頁: 0
結束頁: 0
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