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dc.contributor.authorKazemi, H
dc.contributor.authorSarbazi, E
dc.contributor.authorSoltani, MD
dc.contributor.authorEl-Gorashi, TEH
dc.contributor.authorElmirghani, JMH
dc.contributor.authorPenty, RV
dc.contributor.authorWhite, IH
dc.contributor.authorSafari, M
dc.contributor.authorHaas, H
dc.date.accessioned2022-04-04T23:31:16Z
dc.date.available2022-04-04T23:31:16Z
dc.date.issued2022
dc.identifier.issn0090-6778
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/335767
dc.description.abstractIn this paper, the design of a multiple-input multiple-output (MIMO) optical wireless communication (OWC) link based on vertical cavity surface emitting laser (VCSEL) arrays is systematically carried out with the aim to support data rates in excess of 1 Tb/s for the backhaul of sixth generation (6G) indoor wireless networks. The proposed design combines direct current optical orthogonal frequency division multiplexing (DCO-OFDM) and a spatial multiplexing MIMO architecture. For such an ultra-high-speed line-of-sight (LOS) OWC link with low divergence laser beams, maintaining alignment is of high importance. In this paper, two types of misalignment error between the transmitter and receiver are distinguished, namely, radial displacement error and orientation angle error, and they are thoroughly modeled in a unified analytical framework assuming Gaussian laser beams, resulting in a generalized misalignment model (GMM). The derived GMM is then extended to MIMO arrays and the performance of the MIMO-OFDM OWC system is analyzed in terms of the aggregate data rate. Novel insights are provided into the system performance based on computer simulations by studying various influential factors such as beam waist, array configuration and different misalignment errors, which can be used as guidelines for designing short range Tb/s MIMO OWC systems.
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)
dc.rightsAll Rights Reserved
dc.rights.urihttp://www.rioxx.net/licenses/all-rights-reserved
dc.titleA Tb/s Indoor MIMO Optical Wireless Backhaul System Using VCSEL Arrays
dc.typeArticle
dc.publisher.departmentDepartment of Engineering
dc.date.updated2022-04-04T13:14:25Z
prism.publicationNameIEEE Transactions on Communications
dc.identifier.doi10.17863/CAM.83204
dcterms.dateAccepted2022-04-02
rioxxterms.versionofrecord10.1109/TCOMM.2022.3165187
rioxxterms.versionAM
dc.contributor.orcidKazemi, H [0000-0002-5051-0565]
dc.contributor.orcidSarbazi, E [0000-0002-7506-2666]
dc.contributor.orcidEl-Gorashi, TEH [0000-0001-9744-1790]
dc.contributor.orcidElmirghani, JMH [0000-0002-3319-9103]
dc.contributor.orcidPenty, RV [0000-0003-4605-1455]
dc.contributor.orcidWhite, IH [0000-0002-7368-0305]
dc.contributor.orcidSafari, M [0000-0001-7777-0052]
dc.contributor.orcidHaas, H [0000-0001-9705-2701]
dc.identifier.eissn1558-0857
rioxxterms.typeJournal Article/Review
pubs.funder-project-idEPSRC (via University of Leeds) (RG.ELEC.114773)
cam.issuedOnline2022-04-06
cam.orpheus.successWed May 25 11:13:34 BST 2022 - Embargo updated
cam.orpheus.counter2
cam.depositDate2022-04-04
pubs.licence-identifierapollo-deposit-licence-2-1
pubs.licence-display-nameApollo Repository Deposit Licence Agreement
rioxxterms.freetoread.startdate2022-12-31


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