I've been looking for a technical explanation as well.
The best I've found so far are a host of the patents ostensibly associated with pCell implementation [1], [2], [3], etc.
"data centers connected to the antennas perform fast mathematical calculations to create a unique and coherent wireless signal for every person on the network" -OP
The pCell spatial demonstration [1] is really amazing. If this delivers what it promises, we could finally have the technology we needed to cut the cord entirely for personal/business Internet access and to no longer be at the mercy of Comcast/TWC/Verizon to deploy the last mile. That is, if we aren't just trading one despot for another.
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[ 2.8 ms ] story [ 37.7 ms ] thread[1] System and method for DIDO precoding interpolation in multicarrier systems https://www.google.com/patents/US8571086
[2] System and method for adjusting DIDO interference cancellation based on signal strength measurements http://www.google.com/patents/US20110002371
[3] Systems and methods to coordinate transmissions in distributed wireless systems via user clustering http://www.google.com/patents/US20110002371
These are quite readable; worth a look. Thank you, ashwinl.
Which is what 802.11n does.
So this looks like some very sexy marketing, and little else.
"data centers connected to the antennas perform fast mathematical calculations to create a unique and coherent wireless signal for every person on the network" -OP
1. http://vimeo.com/86746051
via: http://www.fiercewireless.com/tech/story/artemis-pcell-offer...