Kind of a neat idea, using a steerable phased array antenna to increase
gain and S/N ratio in certain directions on-the-fly.
Wonder how many users it can handle before it bogs down though.

http://www.eetimes.com/story/OEG20021104S0025

Some more articles on company's site:

http://www.vivato.net/newsevents_inthenews.html

Bob