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Significance of Cross-Correlated QoS Configurations for Validating the Subjective and Objective QoE of Cloud Gaming Applications

Author

Listed:
  • Nafi Ahmad

    (School of Electronic Engineering and Computer Science, Queen Mary University of London, Mile End Road, London E1 4NS, UK)

  • Abdul Wahab

    (School of Electronic Engineering and Computer Science, Queen Mary University of London, Mile End Road, London E1 4NS, UK)

  • John Schormans

    (School of Electronic Engineering and Computer Science, Queen Mary University of London, Mile End Road, London E1 4NS, UK)

  • Ali Adib Arnab

    (Department of Electrical and Software Engineering, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada)

Abstract

In this paper, utilising real-internet traffic data, we modified a popular network emulator to better imitate real network traffic and studied its subjective and objective implications on QoE for cloud-gaming apps. Subjective QoE evaluation was then used to compare cross-correlated QoS metric with the default non-correlated emulator setup. Human test subjects showed different correlated versus non-correlated QoS parameters affects regarding cloud gaming QoE. Game-QoE is influenced more by network degradation than video QoE. To validate our subjective QoE study, we analysed the experiment’s video objectively. We tested how well Full-Reference VQA measures subjective QoE. The correlation between FR QoE and subjective MOS was greater in non-correlated QoS than in correlated QoS conditions. We also found that correlated scenarios had more stuttering events compared to non-correlated scenarios, resulting in lower game QoE.

Suggested Citation

  • Nafi Ahmad & Abdul Wahab & John Schormans & Ali Adib Arnab, 2023. "Significance of Cross-Correlated QoS Configurations for Validating the Subjective and Objective QoE of Cloud Gaming Applications," Future Internet, MDPI, vol. 15(2), pages 1-20, February.
    • Handle: RePEc:gam:jftint:v:15:y:2023:i:2:p:64-:d:1055057
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    References listed on IDEAS

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    1. Abdul Wahab & Nafi Ahmad & Maria G. Martini & John Schormans, 2021. "Subjective Quality Assessment for Cloud Gaming," J, MDPI, vol. 4(3), pages 1-16, August.
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