A couple of researchers have devised a way to extend the reach of free space optical (FSO) systems through clouds and fog. The minimal details provided hint to a MIMO like approach to the issue. It’s interesting that a lot of traditional RF type of technologies are now being applied in the optical world - i.e. modulation techniques, etc.
Read the article here.
http://www.photonicsonline.com/content/news/article.asp?docid=fed9dfaf-d716-4370-ab4e-9b119693da36
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