Optimal transport theory for cell association in UAV-enabled cellular networks

Mozaffari, Mohammad; Saad, Walid; Bennis, Mehdi; Debbah, Mérouane (2017-05-31)
 
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https://doi.org/10.1109/LCOMM.2017.2710306

Mozaffari, Mohammad
Saad, Walid
Bennis, Mehdi
Debbah, Mérouane
Institute of Electrical and Electronics Engineers
31.05.2017

M. Mozaffari, W. Saad, M. Bennis and M. Debbah, "Optimal Transport Theory for Cell Association in UAV-Enabled Cellular Networks," in IEEE Communications Letters, vol. 21, no. 9, pp. 2053-2056, Sept. 2017. doi: 10.1109/LCOMM.2017.2710306

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doi:https://doi.org/10.1109/LCOMM.2017.2710306
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https://urn.fi/URN:NBN:fi-fe2018080633435
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Abstract

In this letter, a novel framework for delay-optimal cell association in unmanned aerial vehicle (UAV)-enabled wireless cellular networks is proposed. In particular, to minimize the average network delay under any arbitrary spatial distribution of the ground users, the optimal cell partitions of the UAVs and terrestrial base stations are determined. To this end, using the powerful mathematical tools of optimal transport theory, the existence of the solution to the optimal cell association problem is proved and the solution space is completely characterized. The analytical and simulation results show that the proposed approach yields substantial improvements in terms of the average network delay.

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