NDLI: An Opportunistic Multi Rate MAC for reliable H.264/AVC video streaming over Wireless Mesh Networks

Content Provider	IEEE Xplore Digital Library
Author	Byung Joon Oh Chang Wen Chen
Copyright Year	2009
Description	Author affiliation: Department of Computer Science and Engineering, State University of New York at Buffalo, 14260 USA (Chang Wen Chen) \|\| Department of Electrical and Computer Engineering, Florida Institute of Technology, Melbourne, 32901 USA (Byung Joon Oh)
Abstract	We present in this paper a scheme of reliable transmission of H.264/AVC video over Wireless Mesh Networks (WMNs) based on an Opportunistic Multi Rate (OMR) IEEE 802.11 MAC Strategy. This OMR strategy employs the channel reservation control packets at the MAC layer to exchange timely Channel Quality Estimation (CQE) information for an adaptive adjustment of spectrally efficient transmission rate at the physical layer. Such rate adaptation scheme offers an optimized transmission to guarantee the minimum packets delay and drop rate needed for time bound applications, such as video. Since IEEE 802.11 standard does not adopt a multi-rate MAC to support time critical applications, we need to resolve the problem associated with IEEE 802.11 standard by designing a novel adaptive rate architecture with minor modification on IEEE 802.11 MAC protocol based on CQE. This integrated scheme allows the physical layer to achieve the optimal transmission via smart FEC scheme implemented in the application layer. We evaluate the proposed scheme based on network-level metrics, including bit rate, packets delay and drop rate, in comparison with the state-of-the-art Opportunistic Auto-Rate (OAR) MAC scheme based on IEEE 802.11 WMNs. Extensive simulation results based on H.264/AVC video transmission for both proposed OMR scheme and OAR MAC have confirmed that the proposed OMR strategy outperforms the OAR MAC by a significant margin as CQE and smart FEC is able to adapt to the dynamic network conditions of IEEE 802.11 WMNs in a timely fashion.
Starting Page	1241
Ending Page	1244
File Size	1144710
Page Count	4
File Format	PDF
ISBN	9781424438273
DOI	10.1109/ISCAS.2009.5117987
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-24
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Automatic voltage control Streaming media Wireless mesh networks Ordinary magnetoresistance Physical layer Media Access Protocol Programmable control Adaptive control Delay effects Bit rate
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
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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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