On the benefits of cooperative video broadcast over WMANs and WLANs

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On the benefits of cooperative video broadcast over WMANs and WLANs

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International Multimedia Conference archive
Proceedings of the seventeen ACM international conference on Multimedia table of contents

Beijing, China

SESSION: Short papers session 3: applications and systems table of contents

Pages 901-904

Year of Publication: 2009

ISBN:978-1-60558-608-3

Authors

Yi Liu	Simon Fraser University, Surrey, BC, Canada
Cheng-Hsin Hsu	Simon Fraser University, Surrey, BC, Canada
Mohamed Hefeeda	Simon Fraser University, Surrey, BC, Canada

Sponsor

SIGMULTIMEDIA: ACM Special Interest Group on Multimedia

Publisher

ACM New York, NY, USA

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ABSTRACT

We study the problem of broadcasting video streams over a WMAN to many mobile devices. We propose to form a cooperative network among mobile devices that receive the same video stream, and share received video data over a WLAN. We analytically show that the proposed system outperforms current systems in terms of energy consumption and channel switching delay. Our trace-based simulation results show that the proposed system: (i) achieves as high as 70% of energy saving gain, (ii) outperforms current systems with only two cooperative mobile devices, (iii) reduce channel switching delay by up to 98%, (iv) is robust under device failure and quickly reacts to network dynamics, and (v) uniformly distributes the load on all cooperative devices.

REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

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