Photonic Generation of Millimeter Waves Using Tandem Mach-Zehnder Modulators for a W-Band OCDMA-over-WDM Radio-over-Fiber System

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dc.contributor.advisorShadaram, Mehdi
dc.contributor.authorKhosravi Eghbal, Morad
dc.contributor.committeeMemberShadaram, Mehdi
dc.contributor.committeeMemberAkopian, David
dc.contributor.committeeMemberChen, Chonglin
dc.contributor.committeeMemberGatsis, Nikolaos
dc.creator.orcidhttps://orcid.org/0000-0001-8618-2017
dc.date.accessioned2024-02-12T14:41:05Z
dc.date.available2024-02-12T14:41:05Z
dc.date.issued2018
dc.descriptionThis item is available only to currently enrolled UTSA students, faculty or staff. To download, navigate to Log In in the top right-hand corner of this screen, then select Log in with my UTSA ID.
dc.description.abstractThe goal of my research has been to investigate methods to effectively increase the capacity of fiber optic networks to be compliant with the extra-large capacity requirements of the next generation of mobile communication systems (5G). The first method to increase the capacity is to elevate the working frequency to the millimeter wave range. Radio-over-Fiber systems are well established yet very promising in effectively expanding the capacity. The second investigated method is to incorporate wavelength division multiplexing into the Radio-over-Fiber system. This way, a multi-wavelength network can duplicate millimeter wave transmission systems per each wavelength and thus, multifold the capacity of the network. Finally, by introducing optical encoding/decoding, many users (depending on the code length and specifications) can simultaneously use each wavelength channel transmitting millimeter wave signal over an optical fiber link. Feasibility and operability of the proposed system has been assessed and confirmed by software simulation. The received millimeter wave electrical signal at the receiver has been evaluated with indicators such as bit error rate (BER), eye-diagram, and signal to noise ratio (SNR). The achieved results can be used as guidelines for designing the links from base stations to the cells in 5G. The designers can benefit from the obtained results in adjusting the metrics of their designed network to predict the actual outcomes of a network. Finally, the proposed method can also contribute to the on-going efforts in optimization of millimeter wave generation methods by carefully investigating the effects of various components in the generated signal.
dc.description.departmentElectrical and Computer Engineering
dc.format.extent95 pages
dc.format.mimetypeapplication/pdf
dc.identifier.isbn9780355957938
dc.identifier.urihttps://hdl.handle.net/20.500.12588/4076
dc.languageen
dc.subjectDual-Electrode Mach Zehnder Modulator
dc.subjectMillimeter waves
dc.subjectOptical Code Division Multiple Access
dc.subjectRadio-over-Fiber
dc.subjectW-band
dc.subjectWavelength Division Multiplexing
dc.subject.classificationElectrical engineering
dc.subject.classificationOptics
dc.titlePhotonic Generation of Millimeter Waves Using Tandem Mach-Zehnder Modulators for a W-Band OCDMA-over-WDM Radio-over-Fiber System
dc.typeThesis
dc.type.dcmiText
dcterms.accessRightspq_closed
thesis.degree.departmentElectrical and Computer Engineering
thesis.degree.grantorUniversity of Texas at San Antonio
thesis.degree.levelDoctoral
thesis.degree.nameDoctor of Philosophy

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