web bandwidthefficient continuous media streaming through optimal multiplexing外语英文电子书

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1、Bandwidth-EfficientContinuousMediaStreamingThroughOptimalMultiplexingWeiZhaoSatishK.TripathiMobileComput,inga.ndMultimediaLabBournsCollegeofEngineeringDepartmentofComputerScienceUniversityofCaliforniaTJniversityofMarylandRiverside,CA92521-0425CollegePaak,MD20742tr

2、ipathi@engr.ucr.eduzwQcs.umd.eduAbstractronmentswithfinitebandwidthresources,improvingthebandwidthefficiencyisthekey.Maximizingbandwidthefficiencyindist,ributedcontinuousOneofthemajorfactorsaffectingthebandwidtheffi-mediastreamingsystemsisthekeyindeliveringcost-ef

3、fectiveciencyofstreamingisthehighvariabilityindatarateovermult,imediaservicestodistributedandheterogeneousre-thedurationsofcontinuousmediastreams[6].Thehighceivers.Weintroduceatechniquebasedonstreammulti-variabilityiscontributedbyboththeinherentmediacontentplexing

4、toachievethehighestpossiblebandwidthefficiency,dynamicsandtheuseofprediction-basedencodingtech-whilepreservingstringentanddeterministicqualityofser-niques(e.g.inter-framecodinginMPEGvideo[lo])forviceguarantees.Thetechniqueaccomplishestheoptimalhighercompressionper

5、formances.multiplexing(i.e.resultinginthelowestpossiblebandwidthTraditionally,peak-rateallocationisusedtoallocatenet-allocation)byexploitingboththetemporalandthespatialworkbandwidthforthestreamingofvariable-bit-rate(VBR)structuresamongagroupofcontinuousmediastream

6、s.Wecontinuousmediastreams.However,peak-rateallocationpresentafamilyofoptimalmultiplexingschedules.Thead-canbequitewastefulofnetworkresourceifthebit-ratevari-verseper-streameffectsofoptimalmultiplexingarestud-ationishigh.Althoughthereareothernetworkservicessuchied

7、andatechniquebasedont,ransmissionrearrangementisasATMVBRserviceaimedattransportingVBRsources,proposedtomitigatestheseeffects,withoutsacrificingtheduetotheirstatisticalnature,theyarenotsuitablefortheachievedmult,iplexingoptimahty.Theresultspresentedintransportofcon

8、tinuousmediawithdeterministicquality-of-thepaperprovidesomefundament#alcriteriaandlimitsinservice(QoS)guarantees.thedesigna.ndevaluationofresourcealloca