NDLI: Open-Loop Rate Control for adaptive video streaming

Content Provider	IEEE Xplore Digital Library
Author	Yongtao Shuai Petrovic, G. Herfet, T.
Copyright Year	2015
Description	Author affiliation: Telecommun. Lab., Saarland Univ., Saarbrucken, Germany (Yongtao Shuai; Petrovic, G.; Herfet, T.)
Abstract	Dynamic video streaming performs video rate selection based on streaming client's throughput estimate. In practice, the accuracy of the estimated throughput is limited due to feedback delay and unawareness of the dynamics of the underlying HTTP/TCP transport layer. Furthermore, state-of-the-art rate selection methods inherently introduce a two-fold quantization error, as will be detailed in this paper. As a result, streaming adaptation is often erroneous and causes client buffer instability. In this paper, we present Open-Loop rAte Control (OLAC), an adaptive streaming architecture designed to support low-latency streaming applications. The key components of our architecture are a server-side simulation of the streaming client's buffer, which provides a low-delay feedback for the video rate selection, and a hybrid adaptation logic based on throughput and buffer information, which stabilizes the adaptive response to dynamics of transport and application layers. We evaluate the performance of OLAC in wireless streaming scenarios by comparing it against two well-known streaming architectures, QAC and vlc-plugin DASH. The results show that our approach achieves at least 10% higher average quality and at least 73% lower rebuffering duration - achieving zero rebuffering duration in most scenarios - for dynamic live streaming with buffering delays as low as two seconds.
Starting Page	84
Ending Page	90
File Size	2001305
Page Count	7
File Format	PDF
ISSN	23319860
e-ISBN	9781479963904
DOI	10.1109/CCNC.2015.7157951
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-09
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Streaming media Bit rate Throughput Video recording Quality assessment Bandwidth Delays
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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