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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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