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A Novel Proportional Fair Scheduling Algorithm in Relay Based OFDMA Systems
WANG Xiaoting 1 #,WANG Yuliang 2 *
1.School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876
2.School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, 100876
*Correspondence author
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Funding: none
Opened online:14 November 2012
Accepted by: none
Citation: WANG Xiaoting,WANG Yuliang.A Novel Proportional Fair Scheduling Algorithm in Relay Based OFDMA Systems[OL]. [14 November 2012] http://en.paper.edu.cn/en_releasepaper/content/4494709
 
 
This paper proposes a novel proportional fair scheduling (NPFS) scheme in a relay based Orthogonal Frequency Division Multiple Access (OFDMA) downlink scenario. The NPFS scheme generalizes the basic idea of proportional fair scheduling (PFS) algorithm and considers not only the channel condition, but also the user throughput and packet delay before making the final decision. Compared with the traditional proportional fair (PF) scheme, the proposed algorithm can obtain larger system throughput and lower average packet delay with approximately the same user fairness. Simulation results verify that the NPFS scheme is able to make a better tradeoff between system throughput and user fairness than its counterparts.
Keywords:wireless communication; scheduling; proportional fair; resource allocation
 
 
 

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