Publications

In this position paper we highlight a shortcoming of current QoE management approaches that typically do not take into due account the …

Quality of Experience (QoE) has received much attention over the past years and has become a prominent issue for delivering services …

Quality of Experience (QoE) has received much attention over the past years and has become a prominent issue for delivering services …

The goal of the Dagstuhl Perspectives Workshop 16472 has been to discuss and outline the stra- tegic evolution of Quality of Experience …

Complementing the current paradigm change from QoS to QoE, we address fundamental QoE charging issues for Internet services from an end …

Queueing systems following a first-in-first-out (FIFO) strategy are well understood and various results are known for the response time …

The user-centric management of networks and services focuses on the Quality of Experience (QoE) as perceived by the end user. In …

Managing QoE is one of the most interesting direct applications of workable QoE models. Indeed, being able to predict how users …

When dealing with Quality of Experience (QoE) and in particular perceptual quality assessment and modeling, averaging is a common …

User-centric service and application management focuses on the Quality of Experience (QoE) as perceived by the end user. Thereby, the …

While Quality of Experience (QoE) has advanced very significantly as a field in recent years, the methods used for analyzing it have …

Generic relationships between QoE and QoS have been intensively discussed in literature for single QoS parameters and often found to be …

In this short paper we briefly describe the results of analyzing a large-scale data set of actual YouTube stall patterns collected …

While for offline business models it is not seem necessary to reiterate the close relationship between quality and price, for Internet …

HTTP video is quickly becoming a dominating type of traffic on the Internet, with popular services such as YouTube and Netflix being …

Mobile devices such as smartphones are taking over traditional devices for Internet access in today’s scenario, and the near future …

Quality of Experience (QoE) has, over the past few years, gained much traction both in research and industrial circles, becoming a …

The rapid growth of video traffic on the Internet raises many challenges for Internet service providers in managing their network …

In contrast to the rather network-centric notion of Quality of Service (QoS), the concept of Quality of Experience (QoE) has a strongly …

In this paper, we introduce a novel QoE-aware routing approach for video streams. Our approach monitors the network conditions in …

Web services and applications are an increasingly pervasive fixture of modern life and business. This paper reports on a Web-based …

Traditionally, Quality of Experience (QoE) assessment results (or objective estimations thereof) are presented as a single scalar …

Fast growing data traffic over mobile networks pose many challenges for both end systems and networks to satisfy the required service …

In this paper we propose a methodological framework for modeling Quality of Experience (QoE) for media services in a generic manner. We …

Telemedicine applications provide many opportunities for improving health care in a variety of conditions, in particular for people …

With the availability of cloud computing infrastructures, migrating business-critical functionality to public clouds is becoming …

Recently, network researchers have taken a great interest in quality of experience (QoE) and in the new aspects it brings in the study …

Evaluating (audio)visual quality and Quality of Experience (QoE) from the user’s perspective, has become a key element in optimizing …

A commonly cited maxim states that “you get what you pay for”, implying that there is a strong correlation between the price paid for …

Visual appeal (VA), as judged by users accessing different websites, has been shown to impact overall user preferences and …

In this paper we present a parametric model for audiovisual quality estimation in IPTV and similar services. The proposed model takes …

Multimedia service providers and operators need tools that can estimate the quality of the services delivered to their end-customers. …

Nowadays service providers focus all their effort on customers’ satisfaction although determining the Quality of Experience (QoE) is …

This paper introduces a network access point (AP) control solution in the context of over-the-top (OTT) multimedia services. The …

Video services currently account for a very large portion of the total traffic on the Internet, and this portion is foreseen to keep …

The quality of experience (QoE) is one of the main research lines in ITC industry, which seeks to manage quality as perceived by users. …

Optimizing multimedia streaming in 3GPP mobile broadband networks (e.g. HSPA, LTE) in terms of user experience and network resource …

Understanding and modeling the wide range of influence factors that impact end user Quality of Experience (QoE) and go beyond …

Cloud computing is currently gaining enormous momentum due to a number of promised benefits: ease of use in terms of deployment, …

Interest in Quality of Experience (QoE) has spiked over the last five years or so. Several large-scale research initiatives have been …

This program allows the generation of several accurate (with respect to pre-defined target values) loss traces following a simplified …

One of the most interesting applications of single–sided Quality of Experience (QoE) metrics is their use in improving the quality of …

While the layered OSI model for networks provides a very clean conceptual framework for network design, certain applications are not …

With the enormous momentum that Cloud Services adoption has had over the past few years, it seems likely that many services which are …

For several years now, the ITU-T’s Perceptual Evaluation of Speech Quality (PESQ) has been the reference for objective speech quality …

Over last few years an increasing number of multiaccess devices have emerged, which enable users to stay connected almost everywhere, …

The conversational quality of a VoIP communication is dependent on several factors such as the coding process used, the network …

Pricing is regarded as a solution to congestion control in telecommunication net- works. Most mathematical models involve a so-called …

Estimating the quality of VoIP-transmitted speech is the subject of this paper. We present a loss-based technique that allows a …

Quantifying the quality of a video or audio transmission over the Internet is usually a hard task, as based on the statistical …

Over the last few years, the growth of the Internet has spawned a whole new generation of networked applications, such as VoIP, …

In this paper we study, in a systematic way, how the behavior of PESQ estimations varies with the network loss process. We assess the …

The fast growth of the Internet over the last few years has spurred the development of new applications, in particular multimedia …

Over the last few years, and especially since the advent of wireless technologies such as IEEE 802.11, home networks are becoming …

In recent years, the growth of the Internet has spawned a whole new generation of networked real–time multimedia applications, such as …

Dans ce papier nous présentons une nouvelle approche que nous avons développée récemment pour l’évaluation pseudo–subjective de la …

In this paper, we present an analysis of the impact of using media–dependent Forward Error Correction (FEC) in VoIP flows over the …

This paper proposes a new and accurate way of predicting the end-to-end performance of a multimedia stream. It consists of coupling an …

Subjective listening tests were performed in order to evaluate the impact of transmission over an IP network on the quality of two …

We have recently proposed a novel, non–intrusive, real– time approach to measuring the quality of an audio (or speech) stream …

This paper addresses the problem of quantitatively evaluating the quality of a speech stream transported over the Internet as perceived …

Las tarjetas inteligentes han sido utilizadas desde los años ‘70, y sus aplicaciones han evolucionado gracias a avances …

JavaCards allow more than one application (called Applets) to coexist in them. This makes them very attractive, as the user can have, …