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Optimal Transport Theory for Cell Association in UAV-Enabled Cellular Networks

Mohammad Mozaffari 1 Walid Saad 2 Mehdi Bennis 3 Merouane Debbah 4
1 Virginia Polytechnic Institute and State University Bradley Department of Electrical and Computer Engineering
2 LIPN - Laboratoire d'Informatique de Paris-Nord
3 CWC - Centre for Wireless Communications [University of Oulu]
4 LANEAS - Large Networks and Systems Group
CentraleSupélec
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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https://hal-centralesupelec.archives-ouvertes.fr/hal-01778658
Contributor : Irched Chafaa <>
Submitted on : Wednesday, April 25, 2018 - 8:48:03 PM
Last modification on : Wednesday, July 1, 2020 - 2:30:03 PM

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CENTRALESUPELEC | LANEAS | CNRS | LIPN | UNIV-PARIS13 | USPC | GALILE | SORBONNE-PARIS-NORD

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Mohammad Mozaffari, Walid Saad, Mehdi Bennis, Merouane Debbah. Optimal Transport Theory for Cell Association in UAV-Enabled Cellular Networks. IEEE Communications Letters, Institute of Electrical and Electronics Engineers, 2017, 21 (9), pp.2053 - 2056. ⟨10.1109/LCOMM.2017.2710306⟩. ⟨hal-01778658⟩

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