OFDM with Index Modulation in Orbital Angular Momentum Multiplexed Free Space Optical Links


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Output type: Conference proceedings article

UM6P affiliated Publication?: Yes

Author list: Amhoud E.-M., Chafii M., Nimr A., Fettweis G.

Publication year: 2021

Volume number: 2021-April

ISSN: 1550-2252

URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85112419248&doi=10.1109%2fVTC2021-Spring51267.2021.9448928&partnerID=40&md5=b7bc0241024639ac82921d1959070cda

Languages: English (EN-GB)


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Abstract

Communication using orbital angular momentum (OAM) modes has recently received a considerable interest in free space optical (FSO) communications. Propagating OAM modes through free space may be subject to atmospheric turbulence (AT) distortions that cause signal attenuation and crosstalk which degrades the system capacity and increases the error probability. In this paper, we propose to enhance the OAM FSO communications in terms of bit error rate and spectral efficiency, for different levels of AT regimes. The performance gain is achieved by introducing orthogonal frequency division multiplexing (OFDM) with index modulation technique to the OAM FSO system. © 2021 IEEE.


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Last updated on 2021-22-11 at 23:21