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Video Streaming over Mobile Networks



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Video Streaming over Mobile Networks Issues Challenges and Opportunities Washington University in Saint Louis Saint Louis MO 63130 Jain cse wustl edu Keynote at National Workshop on Wireless Communications and Mobile Networks WCMN 2011 Al Ahsa Saudi Arabia March 26 2011 Audio Video recordings of this talk are available at http www cse wustl edu jain talks wcmn11 htm Washington University in St Louis http www cse wustl edu jain talks wcmn11 htm 1 of 28 2011 Raj Jain Overview 1 Video Streaming Challenges 2 Research Opportunities 3 Our Research Projects 4 Efficient solutions to WCMN in Saudi Arabia Washington University in St Louis http www cse wustl edu jain talks wcmn11 htm 2 of 28 2011 Raj Jain What is Streaming Streaming Showing video without receiving full file first Two Types of Streaming Videos Pre stored Video Movies TV VCR like Interactive control Real time video Video conferencing gaming Two types of Streaming Communication One to One Feedback control One to Many Usually no feedback Ref Ref http en wikipedia org wiki Streaming media Washington University in St Louis http www cse wustl edu jain talks wcmn11 htm 3 of 28 2011 Raj Jain Washington University in St Louis http www cse wustl edu jain talks wcmn11 htm 4 of 28 Users Time Video Users In 2008 13 of Internet traffic was video streaming In 2009 27 was video streaming newteevee In July 2009 81 of U S Internet users watched streaming videos In Oct 2009 this number increased to 84 4 ComScore In July 2009 U S Internet users spent on average 8 3 hours month watching streaming video This increased to 10 8 hours months by Oct 2009 websitegear Streaming video advertisement revenue is expected to rise from 1 37 billion dollars in 2008 to 4 5 billions in 2011 masternewmedia 13 27 2008 2009 81 84 4 7 09 10 09 8 3 Hr 7 09 Revenue Video Traffic Growth in Video Streaming 10 8 Hrs 1 09 4 5B 1 37B 2008 2009 2010 2011 2011 Raj Jain Why Stream Education study from home World is flat Remote work and remote education Live in



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