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Encoding many channels on the same frequency through radio vorticity: first experimental test
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
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2012 (English)In: New Journal of Physics, ISSN 1367-2630, Vol. 14, 033001- p.Article in journal (Refereed) Published
Abstract [en]

We have shown experimentally, in a real-world setting, that it is possible to use two beams of incoherent radio waves, transmitted on the same frequency but encoded in two different orbital angular momentum states, to simultaneously transmit two independent radio channels. 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. This paves the way for innovative techniques in radio science and entirely new paradigms in radio communication protocols that might offer a solution to the problem of radio-band congestion.

Place, publisher, year, edition, pages
2012. Vol. 14, 033001- p.
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-174590DOI: 10.1088/1367-2630/14/3/033001ISI: 000302325700001OAI: oai:DiVA.org:uu-174590DiVA: diva2:529191
Available from: 2012-05-29 Created: 2012-05-22 Last updated: 2012-05-29Bibliographically approved

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Thide, Bo
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Swedish Institute of Space Physics, Uppsala Division
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