A multiuser simulation system for video transmission over HSDPA
A multiuser simulation system for video transmission over HSDPA
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DOI：
10.1007/s11042-013-1596-4
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发表时间：
2014-10
影响因子：
3.6
通讯作者：
Qinli Wang;Guizhong Liu;Haidong Wang;Yuchen Chen;Rui Deng;Lijun He;Zhao Liu
中科院分区：
文献类型：
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作者：
Qinli Wang;Guizhong Liu;Haidong Wang;Yuchen Chen;Rui Deng;Lijun He;Zhao Liu
随着多媒体应用的爆炸式增长，基于HSDPA网络的视频传输受到了越来越多的关注。特别是在过去的几年中，已经提出了许多特殊的传输方案，以提高移动的视频应用的端到端质量。然而，由于缺乏一个共同的HSDPA网络视频传输仿真平台，研究人员遇到了障碍，在一个统一的仿真环境中评估和比较这些方案的性能。为了弥补这一不足，本文提出了一个通用的系统级视频传输仿真平台，专门针对HSDPA网络实现。据我们所知，该平台是第一个将视频编解码器，视频质量评估器和HSDPA模拟器集成在一起的平台。通过这种方式，研究人员不仅可以研究和分析视频感知跨层传输解决方案的整体系统性能，而且还可以探索HSDPA无线网络中各个子层（如视频应用层、传输控制层、HSDPA MAC层和物理层）的影响和相互作用。此外，为了测试和验证我们的仿真平台，我们实现了8个代表性的快速调度算法在HSDPA网络，并评估其传输性能的H.264/AVC视频应用。实验仿真结果验证了该仿真系统的有效性和合理性。
With the explosive growth of multimedia applications, video transmission over HSDPA networks has attracted more and more attentions. Particularly in the last few years, lots of special transmission schemes have been proposed to improve the end-to-end qualities of mobile video applications. However, due to lack of a common video delivery simulation platform over HSDPA networks, the researchers have met obstacles in evaluating and comparing the performance of these schemes in a unified simulation environment. To fill this gap, a common system-level video transmission simulation platform is proposed in this paper, which is implemented specially for the HSDPA networks. To the best of our knowledge, this platform is the first one in integrating the video encoder/decoder, the video quality evaluator and the HSDPA simulator together. In this way, the researchers can study and analyze not only the overall system performance of the video-aware cross-layer transmission solutions, but also explore the influence and interaction of those separate sub-layers in the HSDPA wireless networks, such as the video application-layer, the transmission control layer, the HSDPA MAC layer, and the physical layer. Moreover, to test and verify our simulation platform, we implement eight representative fast scheduling algorithms over the HSDPA networks, and evaluate their transmission performances for the H.264/AVC video applications. Experimental simulation results demonstrate the effectiveness and rationality of our simulation system.