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CMU team proposes scheme to improve packet error rate of DSRC in vehicle-to-vehicle communications

Researchers at Carnegie Mellon University have developed a dynamic equalization scheme atop existing IEEE 802.11p Dedicated Short Range Communications (DSRC) for vehicle-to-vehicle (V2V) communications that significantly improves the packet error rate (PER) of data transmissions without changing the DSRC standard.

In a paper published in the IEEE Transactions on Vehicular Technology, they note that providing reliable communication performance in a highly dynamic time-varying V2V channel is a challenging task.

The authors implemented their scheme in hardware using a field-programmable gate array (FPGA) to demonstrate its implementation feasibility. They also extended the equalization scheme to various data rate options available in the DSRC standard to show that the proposed scheme is sufficiently generic to support different types of V2V communication.


  • Fernandez, J.A.; Borries, K.; Lin Cheng; Kumar, B.V.K.V.; Stancil, D.D.; Fan Ba (2012) Performance of the 802.11p Physical Layer in Vehicle-to-Vehicle Environments. IEEE Transactions on Vehicular Technology, doi: 10.1109/TVT.2011.2164428


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