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 > > >------------------------------------------------------------------ >To unsubscribe from si-list: >si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field > >or to administer your membership from a web page, go to: >//www.freelists.org/webpage/si-list > >For help: >si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field > > >List forum is accessible at: > http://tech.groups.yahoo.com/group/si-list > >List archives are viewable at: > //www.freelists.org/archives/si-list > >Old (prior to June 6, 2001) list archives are viewable at: > http://www.qsl.net/wb6tpu > ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List forum is accessible at: http://tech.groups.yahoo.com/group/si-list List archives are viewable at: //www.freelists.org/archives/si-list Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu