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Title: An algorithm for proportional-fair downlink scheduling in the presence of energy harvesting
Authors: Ersoy, Neyre Tekbıyık
Bıyıkoğlu, Elif Uysal
Girici, Tolga
Leblebicioğlu, Kemal
Keywords: Broadcast channel
Energy harvesting
Offline algorithms
Proportional fairness
Time sharing
Issue Date: 2013
Publisher: Kluwer Academic Publishers
Source: 27h International Symposium on Computer and Information Sciences, ISCIS 2012, 3 October 2012 through 4 October 2012, Paris, 100895
Abstract: This paper considers the allocation of time slots in a frame, as well as power and rate to multiple receivers on an energy harvesting downlink. Energy arrival times that will occur within the frame are known at the beginning of the frame. The goal is to solve an optimization problem designed to maximize a throughput-based utility function that provides proportional fairness among users. An optimal solution of the problem was obtained by using a Block Coordinate Descent based algorithm, (BCD), in earlier work. However, that solution has high complexity and is therefore not scalable to a large number of users or slots. This paper first establishes some structural characteristics of the optimal solution. Then, building on those, develops a simple and scalable, yet efficient heuristic, named ProNTO. Numerical and simulation results suggest that ProNTO can closely track the performance of BCD. © 2013 Springer-Verlag London.
Appears in Collections:Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

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