A single parameter to benchmark seems like quite a big statement, given how varied the use cases are. Perhaps you can tell us more about it, and why it's a worthwhile measure?
Sure, that’s a quick presentation with the relevant academic references http://www.dronesbench.it/en/fomdrone/ . Our testing machines implementing that concept are not good enough for commercial purposes yet (the system is dynamic and some unavoidable interferences occur) but we are doing industrialisation tests in order to bring the statistical error on measurements below 3% and hopefully below 1% soon.