Hi Nick: On Fri, 2020-07-31 at 17:21 -0700, Nick Foster wrote: > Thanks for the feedback, Andy! I'm back at this now. I've filed a bug > on it with my findings so far. Comments welcome. > > https://github.com/gnuradio/gnuradio/issues/3678
I've added some comments, some plots, and an Octave script to the issue on github. TL;DR: The original TED from the paper is correct, if computed when shifted by a 1/4 symbol and the result negated. -Andy