| Issue |
J. Eur. Opt. Soc.-Rapid Publ.
Volume 9, 2014
|
|
|---|---|---|
| Article Number | 14041 | |
| Number of page(s) | 6 | |
| DOI | https://doi.org/10.2971/jeos.2014.14041 | |
| Published online | 26 September 2014 | |
Regular paper
2 × 20 Gbps - 40 GHz OFDM Ro-FSO transmission with mode division multiplexing
1
InterNetWorks Research Laboratory, School of Computing, Universiti Utara Malaysia, Kedah, Malaysia
2
Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, USA
Received:
5
February
2014
Revised:
22
June
2014
Revised:
15
July
2014
Radio-over-Free-Space-Optics (Ro-FSO) is a promising technology for future wireless networks. In this work, we have designed a hybrid orthogonal frequency division multiplexing (OFDM) Ro-FSO system for transmission of two independent channels by mode division multiplexing. Two independent 40 GHz radio signals are optically modulated at 20Gbps by mode division multiplexing of two laser modes LG00 and LG10 and transmitted over a free-space link of 20 km to 100 km. The performance of proposed Ro-FSO system is also evaluated under the effect of strong atmospheric turbulences.
Key words: Mode division multiplexing / LG modes / Ro-FSO / atmospheric turbulences
© The Author(s) 2014. All rights reserved.
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