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Dynamic Clustering and Cooperative Scheduling for Vehicle-to-Vehicle Communication in Bidirectional Road Scenarios

Dynamic Clustering and Cooperative Scheduling for Vehicle-to-Vehicle Communication in Bidirectional Road Scenarios
Wang, JunhuaLiu, KaiXiao, KeChen, ChaoWu, WeiweiLee, Victor C. S.Son, Sang-Hyuk
DGIST Authors
Son, Sang-Hyuk
Issue Date
IEEE Transactions on Intelligent Transportation Systems
Article Type
Article in Press
Ad hoc networksComputer architectureCooperative communicationData communication systemsMobile telecommunication systemsNetwork architectureRoads and streetsSchedulingScheduling algorithmsSignal analysisSignal to noise ratioTransportationVehiclesVehicular ad hoc networksclusteringCooperative schedulingData disseminationRelaysRoadsSystem performanceSystems architectureV2V communicationsVehicle dynamicsVehicle to vehicle communications
Efficient data dissemination is critical for enabling emerging applications in vehicular ad hoc networks. As a typical traffic scenario, the bidirectional road scenario of highways bring unique challenges on well exploiting the benefit of vehicle-to-vehicle (V2V) communication for data sharing among vehicles driving in opposite directions. This paper is dedicated to investigating the characteristics of data services in such a scenario and exploring new opportunities for enhancing overall system performance. Specifically, we present a system architecture to enable the road-side unit assisted data scheduling via vehicle-to-infrastructure communication. Then, we give a theoretical analysis on the opportunity of successful data sharing among vehicles driving in opposite directions based on the analysis of signal-to-interference-noise-ratio of V2V communication. On this basis, we propose a clustering mechanism based on the design of a time division policy and the derivation of the optimal cluster length. In addition, a cluster association strategy is designed to enable vehicles to dynamically join or leave a cluster based on their real-time velocities. Furthermore, a two-phase backoff mechanism is designed for distributed data sharing based on V2V communication, and a cooperative scheduling algorithm is proposed for selecting sender vehicles as well as the corresponding data items for broadcasting. Finally, we build the simulation model and give a comprehensive simulation study, which demonstrates that the proposed solutions can effectively improve the overall system performance. IEEE
Institute of Electrical and Electronics Engineers Inc.
Related Researcher
  • Author Son, Sang Hyuk RTCPS(Real-Time Cyber-Physical Systems Research) Lab
  • Research Interests
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