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dc.contributor.authorZafar, Ammar
dc.contributor.authorAlouini, Mohamed-Slim
dc.contributor.authorChen, Yunfei
dc.contributor.authorRadaydeh, Redha Mahmoud Mesleh
dc.date.accessioned2012-09-16T16:16:59Z
dc.date.available2012-09-16T16:16:59Z
dc.date.issued2012-08-06
dc.identifier.citationZafar A, Radaydeh RM, Chen Y, Alouini M-S (2012) Energy-Efficient Power Allocation for Fixed-Gain Amplify-and-Forward Relay Networks with Partial Channel State Information. IEEE Wireless Communications Letters 1: 553-556. doi:10.1109/WCL.2012.080112.120318.
dc.identifier.issn2162-2337
dc.identifier.issn2162-2345
dc.identifier.doi10.1109/WCL.2012.080112.120318
dc.identifier.urihttp://hdl.handle.net/10754/244153
dc.descriptionThis paper has been accepted in IEEE Wireless Communications Letters.
dc.description.abstractIn this letter, energy-efficient transmission and power allocation for fixed-gain amplify-and-forward relay networks with partial channel state information (CSI) are studied. In the energy-efficiency problem, the total power consumed is minimized while keeping the signal-to-noise-ratio (SNR) above a certain threshold. In the dual problem of power allocation, the end-to-end SNR is maximized under individual and global power constraints. Closed-form expressions for the optimal source and relay powers and the Lagrangian multiplier are obtained. Numerical results show that the optimal power allocation with partial CSI provides comparable performance as optimal power allocation with full CSI at low SNR. © 2012 IEEE.
dc.language.isoen
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)
dc.relation.urlhttp://ieeexplore.ieee.org/lpdocs/epic03/wrapper.htm?arnumber=6261329
dc.rightsArchived with thanks to IEEE Wireless Communications Letters.
dc.titleEnergy-Efficient Power Allocation for Fixed-Gain Amplify-and-Forward Relay Networks with Partial Channel State Information
dc.typeArticle
dc.contributor.departmentCommunication Theory Lab
dc.contributor.departmentComputer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
dc.contributor.departmentElectrical Engineering Program
dc.contributor.departmentPhysical Science and Engineering (PSE) Division
dc.identifier.journalIEEE Wireless Communications Letters
dc.eprint.versionPre-print
dc.contributor.institutionSchool of Engineering, University of Warwick, Coventry, UK, CV47AL, United Kingdom
dc.contributor.affiliationKing Abdullah University of Science and Technology (KAUST)
kaust.personZafar, Ammar
kaust.personRadaydeh, Redha Mahmoud Mesleh
kaust.personAlouini, Mohamed-Slim
refterms.dateFOA2018-06-13T13:54:04Z
dc.date.published-online2012-08-06
dc.date.published-print2012-12


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