On the throughput of cognitive radio MIMO systems assisted with UAV relays

Handle URI:
http://hdl.handle.net/10754/625695
Title:
On the throughput of cognitive radio MIMO systems assisted with UAV relays
Authors:
Sboui, Lokman ( 0000-0003-1134-4055 ) ; Ghazzai, Hakim; Rezki, Zouheir; Alouini, Mohamed-Slim ( 0000-0003-4827-1793 )
Abstract:
We analyze the achievable rates of a cognitive radio MIMO system assisted by an unmanned aerial vehicle (UAV) relay. The primary user (PU) and the secondary user (SU) aim to communicate to the closest primary base station (BS) via a multi-access channel through the same UAV relay. The SU message is then forwarded from the primary BS to the secondary network with a certain incentive reward as a part of the cooperation protocol between both networks. We propose a special linear precoding scheme to enable the SU to exploit the PU free eigenmodes. We, also, present the expression of the power maximizing both primary and secondary rates under power budget, relay power, and interference constraints. In the numerical results, we evaluate the PU and SU rates of proposed scheme with respect to various problem parameters. We also highlight the effect of the UAV altitude on the SU and PU rates. Finally, we show that the relay matrix variation affects both rates that reach their peaks at different values of the matrix.
KAUST Department:
Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division; Electrical Engineering Program
Citation:
Sboui L, Ghazzai H, Rezki Z, Alouini M-S (2017) On the throughput of cognitive radio MIMO systems assisted with UAV relays. 2017 13th International Wireless Communications and Mobile Computing Conference (IWCMC). Available: http://dx.doi.org/10.1109/IWCMC.2017.7986412.
Publisher:
IEEE
Journal:
2017 13th International Wireless Communications and Mobile Computing Conference (IWCMC)
Conference/Event name:
13th IEEE International Wireless Communications and Mobile Computing Conference, IWCMC 2017
Issue Date:
20-Jul-2017
DOI:
10.1109/IWCMC.2017.7986412
Type:
Conference Paper
Additional Links:
http://ieeexplore.ieee.org/document/7986412/
Appears in Collections:
Conference Papers; Electrical Engineering Program; Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division

Full metadata record

DC FieldValue Language
dc.contributor.authorSboui, Lokmanen
dc.contributor.authorGhazzai, Hakimen
dc.contributor.authorRezki, Zouheiren
dc.contributor.authorAlouini, Mohamed-Slimen
dc.date.accessioned2017-10-03T12:49:34Z-
dc.date.available2017-10-03T12:49:34Z-
dc.date.issued2017-07-20en
dc.identifier.citationSboui L, Ghazzai H, Rezki Z, Alouini M-S (2017) On the throughput of cognitive radio MIMO systems assisted with UAV relays. 2017 13th International Wireless Communications and Mobile Computing Conference (IWCMC). Available: http://dx.doi.org/10.1109/IWCMC.2017.7986412.en
dc.identifier.doi10.1109/IWCMC.2017.7986412en
dc.identifier.urihttp://hdl.handle.net/10754/625695-
dc.description.abstractWe analyze the achievable rates of a cognitive radio MIMO system assisted by an unmanned aerial vehicle (UAV) relay. The primary user (PU) and the secondary user (SU) aim to communicate to the closest primary base station (BS) via a multi-access channel through the same UAV relay. The SU message is then forwarded from the primary BS to the secondary network with a certain incentive reward as a part of the cooperation protocol between both networks. We propose a special linear precoding scheme to enable the SU to exploit the PU free eigenmodes. We, also, present the expression of the power maximizing both primary and secondary rates under power budget, relay power, and interference constraints. In the numerical results, we evaluate the PU and SU rates of proposed scheme with respect to various problem parameters. We also highlight the effect of the UAV altitude on the SU and PU rates. Finally, we show that the relay matrix variation affects both rates that reach their peaks at different values of the matrix.en
dc.publisherIEEEen
dc.relation.urlhttp://ieeexplore.ieee.org/document/7986412/en
dc.subjectMIMO space alignmenten
dc.subjectUAV-based communicationen
dc.subjectunderlay cognitive radioen
dc.titleOn the throughput of cognitive radio MIMO systems assisted with UAV relaysen
dc.typeConference Paperen
dc.contributor.departmentComputer, Electrical and Mathematical Sciences and Engineering (CEMSE) Divisionen
dc.contributor.departmentElectrical Engineering Programen
dc.identifier.journal2017 13th International Wireless Communications and Mobile Computing Conference (IWCMC)en
dc.conference.date2017-06-26 to 2017-06-30en
dc.conference.name13th IEEE International Wireless Communications and Mobile Computing Conference, IWCMC 2017en
dc.conference.locationValencia, ESPen
dc.contributor.institutionQatar Mobility Innovations Center (QMIC), Qatar University, Doha, Qataren
dc.contributor.institutionUniversity of Idaho, Moscow, USAen
kaust.authorSboui, Lokmanen
kaust.authorAlouini, Mohamed-Slimen
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