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Title: Fair resource allocation in OFDMA based relayed transmission
Other Titles: DFBÇ tabanlı röleli İletimde adil kaynak tahsisi
Authors: Girici, Tolga
Yıldız, A.
Issue Date: 2012
Source: 2012 20th Signal Processing and Communications Applications Conference, SIU 2012, 18 April 2012 through 20 April 2012, Fethiye, Mugla, 90786
Abstract: In this work we consider the problem of fair resource allocation in Orthogonal Frequency Division Multiplexing (OFDM) based relayed downlink transmission. A transmission frame is divided into two subframes. Base and Relay Stations transmit in the first and second subframe respectively. Resources are divided into subchannels and time slot and allocated to users in a max-min fair manner. Contrary to an Amplify and Forward assumption in the literature, we assume Decode and Forward relays and hence subchannel duration also becomes an optimization parameter. The problem is formulated and solved as a linear programming problem. A heuristic algorithm is also proposed. Simulation results prove that Decode and Forward relaying provides significant performance improvement with respect to Amplify and Forward relaying. © 2012 IEEE.
ISBN: 9781467300568
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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