Network-Assisted Optimal Datalink Selection Scheme for Heterogeneous Aeronautical Network
Network-Assisted Optimal Datalink Selection Scheme for Heterogeneous Aeronautical Network
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DOI：
10.1155/2018/9349824
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发表时间：
2018-10
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影响因子：
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通讯作者：
Dongli Wang;Guoce Huang;Shufu Dong;Yequn Wang;Jian Liu;Weiting Gao
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文献类型：
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作者：
Dongli Wang;Guoce Huang;Shufu Dong;Yequn Wang;Jian Liu;Weiting Gao
现有的异构航空网络数据链路选择算法片面地关注用户侧或网络侧，缺乏双方的协作，严重影响了可用数据链路的利用率。首先，为了反映用户侧的需求和网络侧的负载，我们提出了一个以用户为中心的数据链路选择方案相结合的用户侧多属性效用和网络侧接入速率的单用户选择。它可以被建立为一个多目标优化问题，并通过选择最佳的数据链来解决。其次，对于多用户数据链路选择，为了保证多个用户的接入请求，在网络侧采用软件定义网络（SDN）的集中控制方式辅助用户进行数据链路选择。通过构造多用户多目标优化问题，提出了一种优先级区分选择（PDS）算法，该算法使访问其最优数据链路的用户数最大化，并使用户访问请求的修改量最小化。最后，对提出的用户侧数据链路选择方案和网络侧辅助选择算法进行了仿真，验证了其可行性和有效性。
Currently, the existing datalink selection algorithms in heterogeneous aeronautical network unilaterally focus on the user side or network side and lack the two sides’ cooperation, which seriously affects the utilization of available datalinks. Firstly, to reflect the user-side requirements and network-side load, we propose a user-centric datalink selection scheme combing the user-side multiattribute utility and the network-side access rate for single-user selection. It can be established as a multiobjective optimization problem and solved by the selected optimal datalink. Secondly, for multiuser datalink selection, in order to guarantee the access requests of multiple users, the central control mode of Software Define Networking (SDN) is used to assist the user to perform datalink selection on the network side. By constructing multiuser multiobjective optimization problem, a priority distinction selection (PDS) algorithm is proposed to maximize the number of users accessing their optimal datalinks and minimize the modification of the users’ access request. Finally, the proposed user-side datalink selection scheme and network-side assisted selection algorithm are simulated to verify the feasibility and effectiveness.