Exploiting Dual Connectivity for Handover Management in Heterogeneous Aeronautical Network

Exploiting Dual Connectivity for Handover Management in Heterogeneous Aeronautical Network
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利用双连接进行异构航空网络中的切换管理

DOI:
10.1109/access.2019.2916920
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发表时间:
2019
期刊:
影响因子:
3.9
通讯作者:
Gao Weiting
Gao Weiting
中科院分区:
计算机科学3区
文献类型:
--
作者:
Wang Dongli;Wang Yequn;Dong Shufu;Huang Guoce;Liu Jian;Gao Weiting

文献摘要

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本文通过引入软件定义网络(SDN)控制器,在双连通(DC)模式下进行流量调度,以支持异质航空网络中的切换管理。首先,在保证用户公平性和有限资源约束的条件下,构造了一个具有队列积压的切换开销随机优化问题。然后,利用Lyapunov优化理论将随机优化问题转化为确定性优化问题,并提出了可行的最优策略。最后,通过在两种不同的航空场景下的仿真,验证了这些策略在切换管理上的可行性和有效性。
In this paper, by introducing the software-defined networking (SDN) controller, we conduct traffic scheduling under dual connectivity (DC) pattern to support handover management in the heterogeneous aeronautical network. First, we construct a stochastic optimization problem of handover overhead with queue backlog, under the condition of ensuring user fairness and limited resource constraints. Then, we utilize the Lyapunov optimization theory to transform the stochastic optimization problem into a deterministic optimization problem and propose feasible and optimal strategies. Finally, we verify the feasibility and effectiveness of those strategies on handover management by simulations in two different aeronautical scenarios.
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