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Smart city article details

Title Uav-Aided Data Collection In Self Organized Iot Network For Social Augmented Reality
ID_Doc 59275
Authors Tan Z.; Qu H.; Zhao J.; Zhou S.; Wang W.
Year 2019
Published 2019 29th International Telecommunication Networks and Applications Conference, ITNAC 2019
DOI http://dx.doi.org/10.1109/ITNAC46935.2019.9077966
Abstract To realize a seamlessly connected living in smart city is an attractive topic nowadays. With the help of massive machine type communication (mMTC) technology and drone-based networking strategy, we can create ubiquitous computing framework which is both agile and green. In this paper, we propose a cooperative data collecting mechanism in unmanned aerial vehicle (UAV) covered internet of things (IoT) community, aiming at delay-sensitive context information update and system energy efficiency (EE) optimization. To better collect small and fragmentized IoT data scattering around, we first propose a self-organizing algorithm to compress them into a hotspot area and derive the theoretical collecting efficiency (CE) therein. Then, a system EE maximizing power control algorithm is proposed, exploiting cooperative communication theory. When dealing with this highly non-convex programming problem, we look carefully into its Hessian matrix and prove that under two physically meaningful conditions, the modified problem can be turned into a strictly concave one and tractably solved. Finally, a social augmented reality (AR) use case is proposed and tested with our mechanism. Simulation results validate our analysis and demonstrate nearly 20% improvement in EE performance comparing with benchmark solutions. © 2019 IEEE.
Author Keywords data collection; edge computing; non-convex optimization; self organization; Smart I oT community; unmanned aerial vehicle


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