25 May '16, 5pm

Autonomous vehicle convoys larger than 40 are an exercise in trade-offs

Autonomous driving experts practically salivate over the vision of cars forming neat little convoys that travel at a constant speed down a highway. And for good reason: These synchronized fleets could reduce traffic fatalities, free up room on the road for additional vehicles, and help everyone get to their destinations faster. The problem is that as a convoy grows in size, it invariably runs up against limits that hurt performance. Most notably, the number of messages that vehicles can successfully exchange tends to drop as more cars join. Every additional car requires the generation of more messages amongst the group until eventually, some of this digital traffic starts to collide. Ignacio Llatser , a researcher at Technische Universität Dresden in Germany, is trying to find the sweet spot at which multiple cars traveling together can share key information without drowni...

Full article: http://spectrum.ieee.org/cars-that-think/transportation/s...

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