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A Novel Delay- and Utility-Oriented Resource Allocation Algorithm for Mixed Services in OFDMA Systems

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Abstract

In this paper, a novel “delay- and utility-oriented (DUO)” resource allocation algorithm for the mixture of real-time (RT) and non-real-time services in orthogonal frequency division multiple access systems is proposed. The proposed DUO algorithm considers delay-utility function and rate-utility function simultaneously, scheduling RT packets approaching the deadline first and then achieving as much aggregate rate-utility as possible. Simulation results reveal that it can not only satisfy RT users’ delay requirements in terms of packet drop ratio, but also obtain much more aggregate rate-utility for mixed services than other reference algorithms. Besides, the rate-utility fairness of all users is also improved substantially.

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Authors and Affiliations

  1. School of Information and Electronics, Beijing Institute of Technology, No. 5, Zhongguancun South Street, Haidian District, Beijing, 100081, China

    Zhengyu Song, Shujuan Hou & Siliang Wu

Authors
  1. Zhengyu Song
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  2. Shujuan Hou
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  3. Siliang Wu
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Correspondence to Shujuan Hou.

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Song, Z., Hou, S. & Wu, S. A Novel Delay- and Utility-Oriented Resource Allocation Algorithm for Mixed Services in OFDMA Systems. Wireless Pers Commun 83, 825–839 (2015). https://doi.org/10.1007/s11277-015-2428-9

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  • DOI: https://doi.org/10.1007/s11277-015-2428-9

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