Vehicular communication networks hold promise to significantly improve road safety by giving both automated vehicles and human drivers improved awareness and advanced warning to emergencies. The emergency messages are broadcasted upon emergency detection, but this does not guarantee recipients will be able to avoid collision. In this paper, we introduce a method to relate the delay tolerance of each vehicle in the network directly to the transmission range by taking into consideration the reaction time of the drivers in order to ensure each vehicle in the network can avoid a collision. The system utilizes a digital-twin system to maintain network awareness and accounts for the coexistence of automated vehicles and human driving vehicles and allows the network to minimize transmission range while effectively assuring the safety. The proposed strategy is tested in simulated road scenarios generated from measured highway traffic data. The simulation results demonstrate the efficacy of the proposed strategy through extensive evaluation of multiple traffic scenarios.
Digital-Twin Enabled Range Modulation Strategy for V2V Safety Messaging Considering Human Reaction Time
2022-06-01
320560 byte
Conference paper
Electronic Resource
English
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