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Is orbital angular momentum (OAM) based radio communication an unexploited area?

Publiceringsår: 2012
Språk: Engelska
Sidor: 1126-1131
Publikation/Tidskrift/Serie: IEEE Transactions on Antennas and Propagation
Volym: 60
Nummer: 2
Dokumenttyp: Artikel
Förlag: IEEE

Sammanfattning

We compare the technique of using the orbital angular momentum (OAM) of radio waves for generating multiple channels in a radio communication scenario with traditional multiple-in-multiple-out (MIMO) communication methods. We demonstrate that, for certain array configurations in free space, traditional MIMO theory leads to eigen-modes identical to the OAM states. From this we conclude that communicating over the sub-channels given by OAM states is a subset of the solutions offered by MIMO, and therefore does not offer any additional gains in capacity.

Disputation

Nyckelord

  • Technology and Engineering
  • Antenna arrays
  • antenna radiation patterns
  • channel capacity
  • free-space propagation
  • MIMO
  • orbital angular momentum
  • radio communication.

Övriga

Published
Yes
  • Radio Systems
© 2011 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
  • ISSN: 0018-926X

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