Show simple item record

dc.contributor.authorYang, Yuli
dc.contributor.authorAïssa, Sonia
dc.date.accessioned2015-08-04T07:04:53Z
dc.date.available2015-08-04T07:04:53Z
dc.date.issued2012-09
dc.identifier.citationYuli Yang, & Aissa, S. (2012). Power allocation and achievable data rate in spectrum-sharing channels under adaptive primary service outage constraints. 2012 IEEE 23rd International Symposium on Personal, Indoor and Mobile Radio Communications - (PIMRC). doi:10.1109/pimrc.2012.6362623
dc.identifier.isbn9781467325691
dc.identifier.doi10.1109/PIMRC.2012.6362623
dc.identifier.urihttp://hdl.handle.net/10754/564601
dc.description.abstractIn this paper, we focus on a cognitive radio network where adaptive modulation is adopted in primary links. The gap between the primary user (PU)'s received signal-to-noise ratio (SNR) and the lower SNR boundary of the modulation mode that is being used, provides an interference-tolerable zone. Based on this gap, a secondary user (SU) has an increased opportunity to access the licensed spectrum and to determine the transmit power it should use to keep the PU's quality-of-service (QoS) unaffected. However, since the SU cannot obtain perfect information on the PU's received SNR, it has to choose an SNR point between the lower and upper boundaries of the PU's current modulation mode as if this point were the real SNR received by the PU. Considering this issue, in order to quantify the effect of the SU's transmissions on the PU's QoS, we define the PU's service outage probability and obtain its closed-form expressions by taking into account whether the peak transmit power constraint is imposed on the secondary's transmission or not. Subsequently, we derive the SU's achievable data rate in closed form for counterpart scenarios. Numerical results provided here quantify the relation between the PU's service outage probability and the SU's achievable data rate, which further demonstrate that the higher the peak transmit power a secondary transmitter can support, the better performance the cognitive radio network can achieve. © 2012 IEEE.
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)
dc.subjectadaptive modulation
dc.subjectCognitive radio (CR)
dc.subjectdata rate
dc.subjectservice outage probability
dc.subjectspectrum sharing
dc.titlePower allocation and achievable data rate in spectrum-sharing channels under adaptive primary service outage constraints
dc.typeConference Paper
dc.contributor.departmentComputer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
dc.contributor.departmentPhysical Science and Engineering (PSE) Division
dc.identifier.journal2012 IEEE 23rd International Symposium on Personal, Indoor and Mobile Radio Communications - (PIMRC)
dc.conference.date9 September 2012 through 12 September 2012
dc.conference.name2012 IEEE 23rd International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2012
dc.conference.locationSydney, NSW
dc.contributor.institutionInstitut National de la Recherche Scientifique (INRS), University of Quebec, Montreal, QC, Canada
kaust.personYang, Yuli


This item appears in the following Collection(s)

Show simple item record