[SI-LIST] Re: Encoding many channels on the same frequency through radio vorticity: first experimental test

  • From: Rick Collins <gnuarm.2006@xxxxxxxxx>
  • To: erdinih@xxxxxxxxx,si-list@xxxxxxxxxxxxx
  • Date: Sat, 03 Mar 2012 19:11:47 -0500

It appears that they are using Orbital Angular Momentum which has an 
unlimited range as a modulation type.  Doesn't that imply unlimited 
energy input however?  Or do I misunderstand how this works?

Rick


At 06:03 PM 3/3/2012, Ihsan Erdin wrote:
>This may not be a true SI subject but I have no doubt it will be of great
>interest to many who follow this list. The authors claim this novel radio
>technique allows the implementation of, in principle, an infinite number of
>channels in a given, fixed bandwidth, even without using polarization,
>multiport or dense coding techniques. It is an amazing article. The
>publication source has a limited time (free) access to the article. Enjoy
>it while you can...
>http://iopscience.iop.org/1367-2630/14/3/033001/article
>
>--
>Ihsan Erdin
>
>
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