?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=A+Collaborative+Video+Download+Application+Based+on+Wi-Fi+Direct&rft.creator=Sha%2C+H&rft.creator=Tasiopoulos%2C+AG&rft.creator=Psaras%2C+I&rft.creator=Pavlou%2C+G&rft.description=We+developed+a+collaborative+video+download+application%2C+which+allows+several+users+to+form+a+local+group+via+peer-to-peer+(P2P)+links+and+collaboratively+help+one+user+in+the+group+to+download+a+high+quality+video.+Cellular+interface+and+P2P+interface+are+simultaneously+utilised+in+the+application+to+guarantee+quality+of+experience+(QoE)+when+the+cellular+connection+is+disrupted.+The+application+is+based+on+Wi-Fi+Direct+technology+and+it+exploits+the+service+discovery+function+of+the+Wi-Fi+Direct+framework.%0D%0AApart+from+the+implementation+itself%2C+we+also+model+collaborative+video+streaming+over+the+cellular+network+under+periodic+cellular+disconnections+(e.g.%2C+the+commuters+experience+poor+Internet+services+when+trains+travel+through+tunnels).+Our+purpose+is+to+exploit+the+gains+of+the+collaborative+download+between+users+in+the+context+of+periodic+disconnections+and+limited+cellular+downlink+rate.+We+simulate+several+scenarios+to+find+the+requirements+of+the+application+that+guarantee+seamless+and+undisrupted+playback.&rft.subject=Collaborative+download%3B+Wi-Fi+Direct%3B+Service+discovery%3B+Seamless+playback&rft.publisher=Springer+International+Publishing&rft.contributor=Mamatas%2C+L&rft.contributor=Matta%2C+I&rft.contributor=Papadimitriou%2C+P&rft.contributor=Koucheryavy%2C+Y&rft.date=2016-04-28&rft.type=Proceedings+paper&rft.language=eng&rft.source=+++++In%3A+Mamatas%2C+L+and+Matta%2C+I+and+Papadimitriou%2C+P+and+Koucheryavy%2C+Y%2C+(eds.)+Wired%2FWireless+Internet+Communications%3A+14th+IFIP+WG+6.2+International+Conference%2C+WWIC+2016%2C+Thessaloniki%2C+Greece%2C+May+25-27%2C+2016%2C+Proceedings.++(pp.+pp.+147-158).++Springer+International+Publishing+(2016)+++++&rft.format=text&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F1501851%2F1%2FSha%2520et%2520al%2520A%2520Collaborative%2520Video%2520Download%2520Application%2520Based%2520on%2520Wi-Fi%2520Direct.pdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F1501851%2F&rft.rights=open