A dynamic trajectory control algorithm for improving the communication throughput and delay in UAV-aided networks

Zubair Md Fadlullah, Daisuke Takaishi, Hiroki Nishiyama, Nei Kato, Ryu Miura

研究成果: Article査読

148 被引用数 (Scopus)

抄録

Recently, the UAS has been extensively exploited for data collection from remote and dangerous or inaccessible areas. While most of its existing applications have been directed toward surveillance and monitoring tasks, the UAS can play a significant role as a communication network facilitator. For example, the UAS may effectively extend communication capability to disaster-affected people (who have lost cellular and Internet communication infrastructures on the ground) by quickly constructing a communication relay system among a number of UAVs. However, the distance between the centers of trajectories of two neighboring UAVs, referred to as IUD, plays an important role in the communication delay and throughput. For instance, the communication delay increases rapidly while the throughput is degraded when the IUD increases. In order to address this issue, in this article, we propose a simple but effective dynamic trajectory control algorithm for UAVs. Our proposed algorithm considers that UAVs with queue occupancy above a threshold are experiencing congestion resulting in communication delay. To alleviate the congestion at UAVs, our proposal adjusts their center coordinates and also, if needed, the radius of their trajectory. The performance of our proposal is evaluated through computer-based simulations. In addition, we conduct several field experiments in order to verify the effectiveness of UAV-aided networks.

本文言語English
論文番号7389838
ページ(範囲)100-105
ページ数6
ジャーナルIEEE Network
30
1
DOI
出版ステータスPublished - 2016 1月 1

ASJC Scopus subject areas

  • ソフトウェア
  • 情報システム
  • ハードウェアとアーキテクチャ
  • コンピュータ ネットワークおよび通信

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