Mode Combination in an Ideal Wireless OAM-MIMO Multiplexing System

In this letter, we present the mode combinations needed to achieve orthogonal sub-channels in an ideal wireless orbital angular momentum based multiple-input multiple-output (OAM-MIMO) multiplexing system with N OAM transmitters and M receive antennas. The results show that, orthogonality is achieve...

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Bibliographic Details
Published in:IEEE wireless communications letters 2015-08, Vol.4 (4), p.449-452
Main Authors: Opare, Kwasi A., Yujun Kuang, Kponyo, Jerry J.
Format: Article
Language:English
Subjects:
Eigenvalues and eigenfunctions
full rank
line of sight MIMO
MIMO
Multiplexing
OAM modes
orthogonal multiplexing system
Receiving antennas
Signal to noise ratio
Wireless communication
Wireless orbital angular momentum (OAM)
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Summary:In this letter, we present the mode combinations needed to achieve orthogonal sub-channels in an ideal wireless orbital angular momentum based multiple-input multiple-output (OAM-MIMO) multiplexing system with N OAM transmitters and M receive antennas. The results show that, orthogonality is achieved if the absolute difference between any two transmitted modes |v k | mod M ≠ 0. The modes are considered equivalent if their absolute difference is a multiple of M. Orthogonal OAM-MIMO multiplexing systems can be used to enhance spectral efficiency in wireless backhaul networks.
ISSN:2162-2337
2162-2345
DOI:10.1109/LWC.2015.2434375