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

In English

Författare

Summary, in English

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.

Publiceringsår

2012

Språk

Engelska

Sidor

1126-1131

Publikation/Tidskrift/Serie

IEEE Transactions on Antennas and Propagation

Volym

60

Issue

2

Dokumenttyp

Artikel i tidskrift

Förlag

IEEE - Institute of Electrical and Electronics Engineers Inc.

Ämne

  • Electrical Engineering, Electronic Engineering, Information Engineering

Nyckelord

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

Status

Published

Forskningsgrupp

  • Radio Systems

ISBN/ISSN/Övrigt

  • ISSN: 0018-926X