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引用次数: 1
摘要
研究了一种可靠的组播方案对无线局域网音频和视频组播传输QoE的影响。我们假设无线接入点将来自有线网络上的服务器的音频和视频流传输到连接到该接入点的几个终端。我们比较了三种方案:单播、无可靠性组播和LBP (Leader Based Protocol)。在不同的负载和无线信道条件下进行了计算机模拟，对QoS进行了评估，并进行了主观实验。从评估结果来看，我们认为?在各种情况下，LBP比单播和组播获得更高的QoE，但不具有可靠性。
QoE assessment of a reliable groupcast scheme in audiovisual transmission over a wireless LAN
This paper assesses the effect of a reliable groupcast scheme on QoE of audio and video multicast transmission over a wireless LAN. We assume that a wireless access point transmits audio and video streams from a server on a wired network to several terminals connected to the access point. We compare the three schemes: unicast, groupcast without reliability, and LBP (Leader Based Protocol). A computer simulation is performed with various load and wireless channel conditions to assess QoS, and a subjective experiment is carried out for QoE assessment. From the assessment results, we con?rm that LBP achieves higher QoE than unicast and groupcast without reliability under various situations.
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