Communication Analysis of Real Vehicular Calibrated Traces
2016 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS (ICC)(2016)
摘要
Vehicular network applications are emerging to bring many benefits to the users during their journey. However, the design and deployment of such applications require studies that provide insightful information about the network formed by vehicles. To this end, in the last years researchers have been characterizing real mobility traces collected from taxis equipped with GPS devices. However, these traces present temporal and spatial gaps, as it was demonstrated in other studies. In this work, we compare the real original traces with their calibrated version (i.e., with no gaps) to show that the existing gaps expressively affect key metrics such as contact duration, inter-contact time, and network capacity. As result, we contribute to the research community by presenting important analysis of real vehicular network topology and by showing the importance of calibrating the traces before evaluating vehicular network applications.
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关键词
real vehicular calibrated traces,communication analysis,vehicular network applications,real mobility,GPS devices,spatial gaps,temporal gaps,network capacity,contact duration,intercontact time,vehicular network topology
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