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Semantic-Aware Link Layer Scheduling of MPEG-4 Video Streams in Wireless Systems
2003 (English)In: Proceedings of Applications and Services in Wireless Networks 2003 (ASWN 2003), 2003Conference paper (Refereed)
Abstract [en]

Delivering video streams to terminals via a wireless last hop is a challengingtask due to the varying nature of the wireless link. While a common approach suggeststo exploit the variations of the wireless channel, an alternative is to exploitcharacteristics of the video stream to improve the transmission. In this paper weshow how semantic stream variations of MPEG-4 coded video can be used to increasethe number of terminals which can be supported in a wireless cell at a givenminimum video quality. As example system we consider the performance of anOFDM system with different video sources. Simulations show that the number ofsupportable terminals can be increased on average by fifty percent.

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URN: urn:nbn:se:kth:diva-136603OAI: diva2:676595
3rd Workshop of Applications and Services in Wireless Networks 2003 (ASWN 2003)

Qc 20131212

Available from: 2013-12-06 Created: 2013-12-06 Last updated: 2013-12-12Bibliographically approved

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Gross, James

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