ITS Information Delivery Enhanced by Combining DSRC and Cellular Mobile Networks

Improvement of information delivery systems in ITS is an important issue to provide more effective guidance and support to drivers and passengers, and use of contextual information with improved granularity is beneficial to this end. The goal of our study is to provide a flexible information delivery system concept that makes use of various contextual data around users to determine target receivers of the information specific to a certain context. This paper focuses on a system concept that uses finer-grained location-based screening of target receivers by integrated use of different access networks and also information of a user's transport mode (e.g., riding on a car, walking). The system is designed to provide necessary capabilities to enable information senders to provide the information by merely specifying the contexts of the information receivers. In this paper, we describe the proposed system architecture and the evaluation results.