NDLI: QoE evaluation of multimedia transmission over wireless networks

Content Provider	IEEE Xplore Digital Library
Author	Xiaojing Li Kai Dong Wei Song Nickerson, B.G.
Copyright Year	2014
Description	Author affiliation: Fac. of Comput. Sci., Univ. of New Brunswick, Fredericton, NB, Canada (Xiaojing Li; Kai Dong; Wei Song; Nickerson, B.G.)
Abstract	Many simulation tools (e.g., NS-2) can examine the quality of service (QoS) of networks but cannot demonstrate the visual and auditory effects of wireless transmission on multimedia quality. This paper presents a wireless multimedia simulator (WMS), which uses a compact graphical user interface to present the real-time packet delay with the playback of streaming media over a wireless channel based on classic radio channel models and IEEE 802.11 medium access control. By using captured packets and reproduced traces, WMS can demonstrate the visual and auditory effects of fading errors, packet delay and loss. Leveraging the real-time playback function, WMS enables quality of experience (QoE) evaluation of multimedia transmission in a controlled wireless environment. We carried out QoE evaluation with 30 participants for 104 test cases comprising 2 videos and 2 audio clips produced by WMS. The valuable test results enable us to quantify the relationship of QoE in terms of mean opinion score (MOS) with network traffic load and QoS metrics such as bit error probability (BEP). We find the subjective QoE is sensitive to media content although consistent with objective QoS metrics. Statistical difference-of-means tests show the video with slower motion and fewer colours is likely to offer better delay tolerance, and audio is less sensitive to bit errors while video is more resistant to network congestion.
Starting Page	576
Ending Page	581
File Size	1388700
Page Count	6
File Format	PDF
e-ISBN	9781479909599
DOI	10.1109/IWCMC.2014.6906420
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-08-04
Publisher Place	Cyprus
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless communication quality of experience (QoE) multimedia transmission quality of service (QoS) Quality of service Streaming media Mobile communication Delays Multimedia communication Graphical network simulator Videos
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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