A Suboptimal Scheme for Multi-User Scheduling in Gaussian Broadcast Channels

Handle URI:
http://hdl.handle.net/10754/317597
Title:
A Suboptimal Scheme for Multi-User Scheduling in Gaussian Broadcast Channels
Authors:
Zafar, Ammar ( 0000-0001-8382-7625 ) ; Alouini, Mohamed-Slim ( 0000-0003-4827-1793 ) ; Shaqfeh, Mohammad
Abstract:
This work proposes a suboptimal multi-user scheduling scheme for Gaussian broadcast channels which improves upon the classical single user selection, while considerably reducing complexity as compared to the optimal superposition coding with successful interference cancellation. The proposed scheme combines the two users with the maximum weighted instantaneous rate using superposition coding. The instantaneous rate and power allocation are derived in closed-form, while the long term rate of each user is derived in integral form for all channel distributions. Numerical results are then provided to characterize the prospected gains of the proposed scheme.
KAUST Department:
Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division; Communication Theory Lab
Issue Date:
28-May-2014
Type:
Technical Report
Appears in Collections:
Technical Reports; Communication Theory Lab; Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division

Full metadata record

DC FieldValue Language
dc.contributor.authorZafar, Ammaren
dc.contributor.authorAlouini, Mohamed-Slimen
dc.contributor.authorShaqfeh, Mohammaden
dc.date.accessioned2014-05-28T22:15:17Z-
dc.date.available2014-05-28T22:15:17Z-
dc.date.issued2014-05-28en
dc.identifier.urihttp://hdl.handle.net/10754/317597en
dc.description.abstractThis work proposes a suboptimal multi-user scheduling scheme for Gaussian broadcast channels which improves upon the classical single user selection, while considerably reducing complexity as compared to the optimal superposition coding with successful interference cancellation. The proposed scheme combines the two users with the maximum weighted instantaneous rate using superposition coding. The instantaneous rate and power allocation are derived in closed-form, while the long term rate of each user is derived in integral form for all channel distributions. Numerical results are then provided to characterize the prospected gains of the proposed scheme.en
dc.language.isoenen
dc.subjectBroadcast channelsen
dc.subjectblock-fadingen
dc.subjectmulti-user diversityen
dc.subjectresource allocationen
dc.subjectsuperposition codingen
dc.titleA Suboptimal Scheme for Multi-User Scheduling in Gaussian Broadcast Channelsen
dc.typeTechnical Reporten
dc.contributor.departmentComputer, Electrical and Mathematical Sciences and Engineering (CEMSE) Divisionen
dc.contributor.departmentCommunication Theory Laben
dc.eprint.versionPre-printen
dc.contributor.affiliationKing Abdullah University of Science and Technology (KAUST)en
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