<div dir="ltr">I found the following talk relevant to distances between all the nodes. <a href="https://www.youtube.com/watch?v=PNoUcQTCxiM">https://www.youtube.com/watch?v=PNoUcQTCxiM</a> <br><br>Distance is an abstract idea but applies to energy into a node as well as phylogenetic trees. It's the same problem, i.e. fitting a distance matrix using some sort of tree. I've found the five branch tree works well for four nodes.<br><br>Bob </div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Aug 2, 2021 at 5:37 PM Leonard Kleinrock <<a href="mailto:lk@cs.ucla.edu">lk@cs.ucla.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">These cases are what my student, Fouad Tobagi and I called the Hidden Terminal Problem (with the Busy Tone solution) back in 1975.<br>
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Len <br>
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> On Aug 2, 2021, at 4:16 PM, David Lang <<a href="mailto:david@lang.hm" target="_blank">david@lang.hm</a>> wrote:<br>
> <br>
> If you are going to setup a test environment for wifi, you need to include the ability to make a fe cases that only happen with RF, not with wired networks and are commonly overlooked<br>
> <br>
> 1. station A can hear station B and C but they cannot hear each other<br>
> 2. station A can hear station B but station B cannot hear station A 3. station A can hear that station B is transmitting, but not with a strong enough signal to decode the signal (yes in theory you can work around interference, but in practice interference is still a real thing)<br>
> <br>
> David Lang<br>
> <br>
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