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Self-Organizing Flying Drones with Massive MIMO Networking

Abstract : This article studies distributed algorithms to control self-organizing swarm drone hotspots with massive MIMO networking capabilities - a network scenario referred to as OrgSwarm. We attempt to answer the following fundamental question: what is the optimal way to provide spectrally-efficient wireless access to a multitude of ground nodes with mobile base stations/aerial relays mounted on a swarm of drones and endowed with a large number of antennas; when we can control the position of many-antenna-enabled drones, access association of ground nodes to drones, and the transmit power of ground nodes? The article first derives a mathematical formulation of the problem of spectral efficiency maximization through joint control of the movement of many-antenna-enabled aerial drones, access association of single-antenna ground nodes to many-antenna drones, and transmit power of ground nodes. It is shown that the resulting network control problem is a mixed integer nonlinear nonconvex programming problem (MINLP). We then first design a distributed solution algorithm with polynomial computational complexity. Then, a centralized but globally optimal solution algorithm is designed based on a combination of the branch and bound framework and convex relaxation techniques to provide a performance benchmark for the distributed algorithm. Results indicate that the distributed algorithm achieves a network spectral efficiency very close (over 95% on average) to the global optimum.
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Submitted on : Saturday, July 7, 2018 - 5:58:13 PM
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  • HAL Id : hal-01832485, version 1

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Zhangyu Guan, Nan Cen, Tommaso Melodia, Scott Pudlewski. Self-Organizing Flying Drones with Massive MIMO Networking. 17th Annual Mediterranean Ad Hoc Networking Workshop (Med-Hoc-Net 2018), Jun 2018, Capri Island, Italy. pp.15-22. ⟨hal-01832485⟩

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