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https://hdl.handle.net/20.500.11851/6031
Title: | Utility-Based Time and Power Allocation on an Energy Harvesting Downlink: the Optimal Solution | Authors: | Ersoy, Neyre Tekbıyık Bıyıkoğlu, Elif Uysal Girici, Tolga Leblebicioğlu, Kemal |
Keywords: | Broadcast channel Energy harvesting Offline algorithms Proportional fairness Time sharing |
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: | In this paper, we consider the allocation of power level and time slots in a frame to multiple users, on an energy harvesting broadcast system. We focus on the offline problem where the transmitter is aware of the energy arrival statistics of a frame before the frame starts. The goal is to optimize throughput in a proportionally fair way, taking into account the inherent differences of channel quality among users. Analysis of structural characteristics of the problem reveals the biconvex nature of the problem. Due to biconvexity, a Block Coordinate Descent (BCD) based optimization algorithm that converges to one of the multiple optima is proposed. Simulation results show that the resulting allocation achieves a good balance between total throughput and fairness. © 2013 Springer-Verlag London. | URI: | https://doi.org/10.1007/978-1-4471-4594-3_9 https://hdl.handle.net/20.500.11851/6031 |
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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