NDLI: Loss Tolerant Bandwidth Aggregation for multihomed video streaming over heterogeneous wireless networks

Content Provider	IEEE Xplore Digital Library
Author	Jiyan Wu Jingqi Yang Junliang Chen
Copyright Year	2013
Description	Author affiliation: State Key Lab. of Networking & Switching Technol., Beijing Univ. of Posts & Telecommun., Beijing, China (Jiyan Wu; Jingqi Yang; Junliang Chen)
Abstract	Bandwidth aggregation is a key research issue in integrating heterogeneous wireless networks, since it can substantially increase the throughput and reliability for enhancing streaming video quality. However, the burst loss in the unreliable wireless channels is a severely challenging problem which significantly degrades the effectiveness of bandwidth aggregation. Previous studies attack such a critical problem by reactively increasing the Forward Error Correction (FEC) redundancy. Nonetheless, the increased FEC redundancy will impose higher loads on networks and lead to larger end-to-end delays of video streaming. In this paper, we propose a novel Loss Tolerant Bandwidth Aggregation approach (LTBA), which proactively leverages the channel diversity in heterogeneous wireless networks to overcome the burst loss. First, we allocate the FEC packets according to the `loss-free' bandwidth of each wireless network to the multihomed client. Second, we deliberately insert intervals between the FEC packets' departures while still respecting the delay constraint. The proposed LTBA is able to reduce the consecutive packet loss under the burst loss assumption. We carry out the analysis for proving that the proposed LTBA outperforms the existing `back-to-back' transmission schemes in minimizing end-to-end video distortion based on the Gilbert path model and continuous time Markov chain. We conduct the performance evaluation in the Exata and emulation results show that LTBA outperforms existing bandwidth aggregation schemes in handling the burst channel loss as well as in improving the video PSNR (Peak Signal-to-Noise Ratio).
Sponsorship	IEEE Commun. Soc.
Starting Page	2956
Ending Page	2962
File Size	594853
Page Count	7
File Format	PDF
ISBN	9781479913534
DOI	10.1109/GLOCOM.2013.6831524
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-12-09
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Streaming media Wireless networks Bandwidth Forward error correction Emulation 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
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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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