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A bidirectional wavelength division multiplexed (WDM) free space optical communication (FSO) system for deployment in data center networks (DCNs)
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El-Nahal, Fady, Xu, Tianhua, Alqahtani, Dokhyl and Leeson, Mark S. (2022) A bidirectional wavelength division multiplexed (WDM) free space optical communication (FSO) system for deployment in data center networks (DCNs). Sensors, 22 (24). 9703. doi:10.3390/s22249703 ISSN 1424-8220.
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WRAP-bidirectional-wavelength-division-multiplexed-(WDM)-free-space-optical-communication-(FSO)-system-deployment-data-center-networks-2022.pdf - Published Version - Requires a PDF viewer. Available under License Creative Commons Attribution 4.0. Download (713Kb) | Preview |
Official URL: http://dx.doi.org/10.3390/s22249703
Abstract
Data centers are crucial to the growth of cloud computing. Next-generation data center networks (DCNs) will rely heavily on optical technology. Here, we have investigated a bidirectional wavelength-division-multiplexed (WDM) free space optical communication (FSO) system for deployment in optical wireless DCNs. The system was evaluated for symmetric 10 Gbps 16−quadrature amplitude modulation (16-QAM) intensity-modulated orthogonal frequency-division multiplexing (OFDM) downstream signals and 10 Gbps on-off keying (OOK) upstream signals, respectively. The transmission of optical signals over an FSO link is demonstrated using a gamma–gamma channel model. According to the bit error rate (BER) results obtained for each WDM signal, the bidirectional WDM-FSO transmission could achieve 320 Gbps over 1000 m free space transmission length. The results show that the proposed FSO topology offers an excellent alternative to fiber-based optical interconnects in DCNs, allowing for high data rate bidirectional transmission.
Item Type: | Journal Article | ||||||
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Alternative Title: | |||||||
Subjects: | Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software T Technology > TJ Mechanical engineering and machinery T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||
Library of Congress Subject Headings (LCSH): | Data centers , Cloud computing , Wavelength division multiplexing , Optical communications | ||||||
Journal or Publication Title: | Sensors | ||||||
Publisher: | MDPI AG | ||||||
ISSN: | 1424-8220 | ||||||
Official Date: | 11 December 2022 | ||||||
Dates: |
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Volume: | 22 | ||||||
Number: | 24 | ||||||
Article Number: | 9703 | ||||||
DOI: | 10.3390/s22249703 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||
Date of first compliant deposit: | 13 December 2022 | ||||||
Date of first compliant Open Access: | 14 December 2022 | ||||||
RIOXX Funder/Project Grant: |
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