Network Formation in the Sky: Unmanned Aerial Vehicles for Multi-Hop Wireless Backhauling
Network Formation in the Sky: Unmanned Aerial Vehicles for Multi-Hop Wireless Backhauling
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DOI：
10.1109/glocom.2017.8254715
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发表时间：
2017-07
期刊：
影响因子：
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通讯作者：
Ursula Challita;W. Saad
中科院分区：
文献类型：
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作者：
Ursula Challita;W. Saad
为了获得密集小型基站（SBS）部署的好处，需要针对高速地面回程链路不可用或容量有限的场景提供创新的回程解决方案。在本文中，提出了一种新的回程方案，依赖于无人机（UAV）作为按需飞行网络。空中回程方案的设计被公式化为无人机之间的网络形成游戏，这些无人机寻求在天空中形成多跳回程网络。为了解决这个问题，近视网络形成算法，达到一个成对的稳定网络收敛时，介绍。所提出的网络形成算法使无人机以分散的方式形成必要的多跳回程网络，从而使回程架构适应网络的动态。仿真结果表明，所提出的网络形成算法实现了大量的性能增益的速率和延迟达到，分别高达380%和410%相比，形成的直接通信链路的网关节点（网络与15无人机）。
To reap the benefits of dense small base station (SBS) deployment, innovative backhaul solutions are needed for scenarios in which high-speed ground backhaul links are either unavailable or limited in capacity. In this paper, a novel backhaul scheme that relies on unmanned aerial vehicles (UAVs) as an on-demand flying network is proposed. The design of the aerial backhaul scheme is formulated as a network formation game among UAVs that seek to form a multi-hop backhaul network in the sky. To solve this game, a myopic network formation algorithm which reaches a pairwise stable network upon convergence, is introduced. The proposed network formation algorithm enables the UAVs to form the necessary multi-hop backhaul network in a decentralized manner thus adapting the backhaul architecture to the dynamics of the network. Simulation results show that the proposed network formation algorithm achieves substantial performance gains in terms of both rate and delay reaching, respectively, up to 380% and 410% compared to the formation of direct communication links with the gateway node (for a network with 15 UAVs).