Mixed RF/FSO Communications with Outdated-CSI-Based Relay Selection under Double Generalized Gamma Turbulence, Generalized Pointing Errors and Nakagami-m Fading

dc.contributor.authorKamga, Gervais N.
dc.contributor.authorAïssa, Sonia
dc.contributor.authorRasethuntsa, Tau R.
dc.contributor.authorAlouini, Mohamed-Slim
dc.contributor.departmentElectrical Engineering Program
dc.contributor.departmentComputer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
dc.contributor.institutionInstitut National de la Recherche Scientifique (INRS), University of Quebec, Montreal, QC, H5A 1K6, Canada.
dc.contributor.institutionMcMaster University, Hamilton, ON, L8S 4K1, Canada.
dc.date.accessioned2019-12-09T12:49:55Z
dc.date.available2019-12-09T12:49:55Z
dc.date.issued2019-11-28
dc.date.published-online2019-11-28
dc.date.published-print2019
dc.description.abstractThis paper investigates the performance of dual-hop amplify-and-forward (AF) mixed radio frequency (RF)/free-space optical (FSO) transmissions with partial relay selection (PRS) based on outdated channel state information (CSI) estimates. Turbulence-induced fading, path loss, and pointing errors, are all considered in the FSO channel modeling. Both the fading and the path loss are described through general models which encompass the commonly used models. Novel expressions for the cumulative distribution function, probability density function, moment generating function, and moments of the end-to-end signal-to-noise ratio (SNR) are obtained in closed-form. Thereafter, novel closedform expressions for key performance metrics, namely, outage probability, average bit error probability and spectral efficiency, are derived. The analysis is unified, applying to both types of detection techniques, intensity modulation/direct direction and heterodyne detection. Asymptotic analysis is further conducted, which open the door to additional important results. Monte Carlo simulation results confirm the effectiveness of the proposed analysis, and attest that in AF RF/FSO systems with PRS based on outdated CSI estimates, where implementing higher number of relays is highly difficult and costly, the low SNR regime may be prohibitive because it hinders the diversity advantages promised by the use of more relays in PRS systems.
dc.eprint.versionPost-print
dc.identifier.citationKamga, G. N., Aissa, S., Rasethuntsa, T. R., & Alouini, M.-S. (2019). Mixed RF/FSO Communications with Outdated-CSI-Based Relay Selection under Double Generalized Gamma Turbulence, Generalized Pointing Errors and Nakagami-m Fading. IEEE Transactions on Wireless Communications, 1–1. doi:10.1109/twc.2019.2954866
dc.identifier.doi10.1109/TWC.2019.2954866
dc.identifier.journalIEEE Transactions on Wireless Communications
dc.identifier.urihttp://hdl.handle.net/10754/660481
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)
dc.relation.urlhttps://ieeexplore.ieee.org/document/8917797/
dc.relation.urlhttps://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=8917797
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dc.subjectDouble Generalized Gamma channels
dc.subjectFox Hfunction
dc.subjectfree-space optical (FSO) communications
dc.subjectMeijer’s G-function
dc.subjectmixed RF/FSO systems
dc.subjectoutdated channel state information
dc.subjectpartial relay selection.
dc.titleMixed RF/FSO Communications with Outdated-CSI-Based Relay Selection under Double Generalized Gamma Turbulence, Generalized Pointing Errors and Nakagami-m Fading
dc.typeArticle
display.details.left<span><h5>Type</h5>Article<br><br><h5>Authors</h5><a href="https://repository.kaust.edu.sa/search?spc.sf=dc.date.issued&spc.sd=DESC&f.author=Kamga, Gervais N.,equals">Kamga, Gervais N.</a><br><a href="https://repository.kaust.edu.sa/search?spc.sf=dc.date.issued&spc.sd=DESC&f.author=Aïssa, Sonia,equals">Aïssa, Sonia</a><br><a href="https://repository.kaust.edu.sa/search?spc.sf=dc.date.issued&spc.sd=DESC&f.author=Rasethuntsa, Tau R.,equals">Rasethuntsa, Tau R.</a><br><a href="https://repository.kaust.edu.sa/search?query=orcid.id:0000-0003-4827-1793&spc.sf=dc.date.issued&spc.sd=DESC">Alouini, Mohamed-Slim</a> <a href="https://orcid.org/0000-0003-4827-1793" target="_blank"><img src="https://repository.kaust.edu.sa/server/api/core/bitstreams/82a625b4-ed4b-40c8-865a-d6a5225a26a4/content" width="16" height="16"/></a><br><br><h5>KAUST Department</h5><a href="https://repository.kaust.edu.sa/search?spc.sf=dc.date.issued&spc.sd=DESC&f.department=Electrical Engineering Program,equals">Electrical Engineering Program</a><br><a href="https://repository.kaust.edu.sa/search?spc.sf=dc.date.issued&spc.sd=DESC&f.department=Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division,equals">Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division</a><br><br><h5>Online Publication Date</h5>2019-11-28<br><br><h5>Print Publication Date</h5>2019<br><br><h5>Date</h5>2019-11-28</span>
display.details.right<span><h5>Abstract</h5>This paper investigates the performance of dual-hop amplify-and-forward (AF) mixed radio frequency (RF)/free-space optical (FSO) transmissions with partial relay selection (PRS) based on outdated channel state information (CSI) estimates. Turbulence-induced fading, path loss, and pointing errors, are all considered in the FSO channel modeling. Both the fading and the path loss are described through general models which encompass the commonly used models. Novel expressions for the cumulative distribution function, probability density function, moment generating function, and moments of the end-to-end signal-to-noise ratio (SNR) are obtained in closed-form. Thereafter, novel closedform expressions for key performance metrics, namely, outage probability, average bit error probability and spectral efficiency, are derived. The analysis is unified, applying to both types of detection techniques, intensity modulation/direct direction and heterodyne detection. Asymptotic analysis is further conducted, which open the door to additional important results. Monte Carlo simulation results confirm the effectiveness of the proposed analysis, and attest that in AF RF/FSO systems with PRS based on outdated CSI estimates, where implementing higher number of relays is highly difficult and costly, the low SNR regime may be prohibitive because it hinders the diversity advantages promised by the use of more relays in PRS systems.<br><br><h5>Citation</h5>Kamga, G. N., Aissa, S., Rasethuntsa, T. R., & Alouini, M.-S. (2019). Mixed RF/FSO Communications with Outdated-CSI-Based Relay Selection under Double Generalized Gamma Turbulence, Generalized Pointing Errors and Nakagami-m Fading. IEEE Transactions on Wireless Communications, 1–1. doi:10.1109/twc.2019.2954866<br><br><h5>Publisher</h5><a href="https://repository.kaust.edu.sa/search?spc.sf=dc.date.issued&spc.sd=DESC&f.publisher=Institute of Electrical and Electronics Engineers (IEEE),equals">Institute of Electrical and Electronics Engineers (IEEE)</a><br><br><h5>Journal</h5><a href="https://repository.kaust.edu.sa/search?spc.sf=dc.date.issued&spc.sd=DESC&f.journal=IEEE Transactions on Wireless Communications,equals">IEEE Transactions on Wireless Communications</a><br><br><h5>DOI</h5><a href="https://doi.org/10.1109/TWC.2019.2954866">10.1109/TWC.2019.2954866</a><br><br><h5>Additional Links</h5>https://ieeexplore.ieee.org/document/8917797/https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=8917797</span>
kaust.personAlouini, Mohamed-Slim
orcid.authorKamga, Gervais N.
orcid.authorAïssa, Sonia
orcid.authorRasethuntsa, Tau R.
orcid.authorAlouini, Mohamed-Slim::0000-0003-4827-1793
orcid.id0000-0003-4827-1793
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