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Dynamic bandwidth allocation in GEO satellite networks: A predictive control approach

机译:GEO卫星网络中的动态带宽分配:一种预测控制方法

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摘要

The paper presents a novel approach for dynamic bandwidth allocation (DBA) in GEO satellite networks based on adaptive predictive control. In the proposed DBA scheme each satellite gateway (SG) uses an adaptive predictor to forecast the future input traffic flow along with a bandwidth controller to generate a bandwidth request to the bandwidth manager (BM) according to a receding-horizon policy, via solution of an optimal control problem. A multi-service traffic scenario is considered with a careful eye to guarantee differentiated quality of service requirements. Simulation experiments demonstrate that the predictive DBA technique proposed in this work outperforms fixed allocation as well as existing reactive DBA methods.
机译:本文提出了一种基于自适应预测控制的GEO卫星网络动态带宽分配(DBA)的新方法。在提出的DBA方案中,每个卫星网关(SG)使用自适应预测器预测未来的输入业务流,并使用带宽控制器根据后退水平策略通过带宽的解决方案向带宽管理器(BM)生成带宽请求。最优控制问题。仔细考虑多业务流量方案以确保差异化的服务质量要求。仿真实验表明,这项工作中提出的预测性DBA技术优于固定分配以及现有的反应性DBA方法。

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