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首页> 外文期刊>Journal of visual communication & image representation >An effective cross-layer designed packet scheduling, call admission control, and handover system for video streaming services over LTE network
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An effective cross-layer designed packet scheduling, call admission control, and handover system for video streaming services over LTE network

机译：针对LTE网络上的视频流服务的有效跨层设计分组调度，呼叫准入控制和切换系统

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This paper presents an effective cross-layer designed packet scheduling, call admission control, and handover system to provide a seamless video streaming services over LTE network. The proposed packet scheduling algorithm allocates wireless network resources to admitted UEs while considering QoE states and wireless link states of UEs simultaneously. The proposed call admission control algorithm estimates the cell availability at the next call arriving time based on the current QoE states of UEs to determine the admission of a new UE. The proposed handover algorithm determines the appropriate handover trigger timing to keep a balance of the QoE states among immediately adjacent cells based on both the cell availability and wireless link states. Finally, simulations are conducted to evaluate the performance of the proposed system. Results indicate that the proposed cross-layer designed system improves the QoE states of all admitted UEs and overall network utilization better than other existing methods. (C) 2015 Elsevier Inc. All rights reserved.
机译：本文提出了一种有效的跨层设计的分组调度，呼叫接纳控制和切换系统，以在LTE网络上提供无缝的视频流服务。提出的分组调度算法在同时考虑UE的QoE状态和无线链路状态的同时将无线网络资源分配给允许的UE。所提出的呼叫接纳控制算法基于UE的当前QoE状态来估计下一呼叫到达时间的小区可用性，以确定新UE的接纳。所提出的切换算法基于小区可用性和无线链路状态两者来确定适当的切换触发定时，以保持紧邻小区之间的QoE状态的平衡。最后，进行仿真以评估所提出系统的性能。结果表明，所提出的跨层设计的系统比其他现有方法更好地改善了所有允许的UE的QoE状态和整体网络利用率。 （C）2015 Elsevier Inc.保留所有权利。

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