60GHz mmWave vehicle upload boosted 8x via optimal trajectory

A team of researchers led by Phuc Duc Nguyen conducted a comprehensive experimental evaluation of a vehicular-to-road data uploading system that uses 60 GHz millimeter-wave communication. The system relies on ultra-spots—very narrow wireless zones that vehicles must traverse precisely to achieve efficient data upload. The study analyzed 75 experimental cases to identify optimal travel trajectories and conditions, factoring in variables like driving routes, speeds, approach angles, and distances to the ultra-spot.

The results show that with optimal trajectory, appropriate movement speed, strategic antenna placement, and prior estimation of the ultra-spot area, the amount of transferred data can be improved by a factor of 6 to 8. This work highlights the critical need for autonomous guiding systems to help vehicles pass through ultra-spots reliably, as variations in driving conditions can lead to suboptimal or failed transmissions. The findings have direct implications for autonomous vehicle communication and high-bandwidth edge data offloading in smart city infrastructure.