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Implementation and evaluation of scalable Vehicle-to-Vehicle transmission control protocol

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4 Author(s)
Ching-Ling Huang ; Electrical and Controls Integration Lab, General Motors R&D Center ; Hariharan Krishnan ; Raja Sengupta ; Yaser P. Fallah

Vehicle-to-Vehicle (V2V) communications play a critical role in enabling important cooperative safety applications. V2V safety communications rely on broadcast of self-state information (e.g., position, speed, and heading) by each vehicle, which allows a vehicle to track its neighboring vehicles in real-time. One of the most pressing challenges in this research is to maintain an acceptable tracking accuracy of neighboring vehicles while avoiding congestion in the shared communication channel. In this paper we describe the evaluation of a transmission control protocol that adapts the message rate and transmission power for V2V safety communications. This protocol has been implemented on V2V test vehicles with wireless radios and integrated with existing active safety applications. The testing and evaluation results show that proposed communication design works well in practice, its performance matches the observation from previous simulations and shows great promise for a large-scale deployment of V2V cooperative safety systems.

Published in:

Vehicular Networking Conference (VNC), 2010 IEEE

Date of Conference:

13-15 Dec. 2010