NDLI: Subjective Quality Assessment for Cloud Gaming

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Subjective Quality Assessment for Cloud Gaming

Content Provider	MDPI
Author	Wahab, Abdul Ahmad, Nafi Martini, Maria G. Schormans, John
Copyright Year	2021
Description	Using subjective testing, we study the effect of the network parameters, delay and packet loss ratio, on the QoE of cloud gaming. We studied three different games, selected based on genre, popularity, content complexity and pace, and tested them in a controlled network environment, using a novel emulator to create realistic lognormal delay distributions instead of relying on a static mean delay, as used previously; we also used Parsec as a good representative of the state of the art. We captured user ratings on an ordinal Absolute Category Rating scale for three quality dimensions: Video QoE, Game-Playability QoE, and Overall QoE. We show that Mean Opinion Scores (MOS) for the game with the highest levels of content complexity and pace are most severely affected by network impairments. We also show that the QoE of interactive cloud applications rely more on the game playability than the video quality of the game. Unlike earlier studies, the differences in MOS are validated using the distributions of the underlying dimensions. A Wilcoxon Signed-Rank test showed that the distributions of Video QoE and Game Playability QoE are not significantly different.
Ending Page	419
Page Count	16
Starting Page	404
e-ISSN	25718800
DOI	10.3390/j4030031
Journal	J - Multidisciplinary Scientific Journal
Issue Number	3
Volume Number	4
Language	English
Publisher	MDPI
Publisher Date	2021-08-05
Access Restriction	Open
Subject Keyword	J - Multidisciplinary Scientific Journal Computation Theory and Mathematics Quality of Experience (qoe) Quality of Service (qos) Packet Loss Ratios (plr) Cloud Gaming Interactive Gaming Video Qoe Immersion Gaming Influence Factors
Content Type	Text
Resource Type	Article

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