Estimation of in-service quality of experience for peer-to-peer live video streaming systems using a user-centric and context-aware approach based on Bayesian networks

被引：3
作者：
Mian, Ahmad Umair [1 ]
Hu, Zheng [1 ]
Tian, Hui [1 ]
机构：
[1] Beijing Univ Post & Telecom, Minist Educ, Key Lab Universal Wireless Commun, Beijing 100876, Peoples R China
来源：
TRANSACTIONS ON EMERGING TELECOMMUNICATIONS TECHNOLOGIES | 2013年 / 24卷 / 03期
基金：
中国国家自然科学基金;
关键词：
QoE; Context-aware; User Behavior; Bayesian network; QOE;
D O I：
10.1002/ett.2641
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
In this paper, a modified and improved quality of experience (QoE) estimation approach has been presented on the basis of the user-behavior modelling and context-aware modelling. We have implemented this proposed approach for peer-to-peer live video streaming systems because of the dynamically adaptive and distributed nature of these systems. The problem of estimating QoE is formulated as a Bayesian network model using user-behavior and context-related variables as nodes. The relationship between these nodes are established to find out estimated QoE, which is based on the user-behavior data and context data, and dynamically adapt to any change in their values. This relationship is further explored to provide the basis for more user-centric, context-aware and dynamically adaptive services and network systems as this in-service QoE is important for network optimization and service provisioning. Copyright (c) 2013 John Wiley & Sons, Ltd.
引用
收藏
页码：280 / 287
页数：8
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