As usual, we're given virtually no time to revel in the high-speed (relatively speaking, of course) wireless data we do have before some eggheads have to go and throw the wet blanket on us. Researchers from Germany's Heinrich-Hertz-Institut (a division of Fraunhofer) have apparently taken some standard-issue UMTS equipment and modified it to use MIMO -- the same tech employed in many modern WiFi devices -- to achieve 100Mbps downstream and a full 50Mbps upstream. For the sake of comparison, UMB (aka EV-DO rev. C) takes the crown with 280Mbps down; while there's no word on when this MIMO stuff might hit the streets, UMB won't see the light of day until 2009 at the earliest, so our German friends have a little time to capitalize. And yes, we'll be just fine with a mere 100Mbps on our cellphones, thankyouverymuch.

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Researchers show 100Mbps cellular data