Quality of Experience Assessment for Cross-layer Optimization of Video Streaming over Wireless Networks  

作　　者：LIU Fangqin LIN Chuang MENG Kun 

机构地区：[1]Department of Computer Science and Technology, Tsinghua University, Beijing 100084, China [2]School of Computer and Communication Engineering, University of Science and Technology Beijing, Beijing100083, China

出　　处：《Chinese Journal of Electronics》2012年第4期725-729,共5页电子学报（英文版）

基　　金：This work is supported in part by the National Basic Research Program of China （973 Program） （No.2010CB328105 and No.2009CB320505） and the National Natural Science Foundation of China （No.60932003, No.61070182, No.60973144, No.61173008, and No.61070021）.

摘　　要：To evaluate the Quality of experience （QoE） of video steaming services in real time continues to be a desirable yet challenging work. In this paper, we present a novel no-reference model for the QoE assessment of the video streaming service in wireless networks. This model evaluates the QoE of video streaming as a comprehensive function of all the parameters about the encoding/decoding, transmission, and video content. Through the comprehensive function, our model not only renders a general and accurate tool for the QoE assessment, but also provides several useful guidelines for cross-layer optimizations： such as how to balance the image quality and the playback quality to maximize the video quality and how to protect different types of packets to minimize the transmission distortions.

关 键 词：Video streaming service QoE assessment model Cross-layer optimization. 

分 类 号：TN92[电子电信—通信与信息系统] F123.7[电子电信—信息与通信工程]