2011官方wifi display协议介绍

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1、Wi-FiDisplayOverviewWi-FiDisplayIntroduction•ThispresentationfocusesonthespecificationandpossibleusecasesforWi-FiDisplaytechnology.–Thistrainingisbasedonaspecificationthatisstillundergoingrevision.•W-FiAllianceprovidesNOGUARANTEEofthedegreetowhichthistrainingmaterialrepresentsthefinalWi-FiDi

2、splayspecification–FunctionalitybeyondthescopeoftheWi-FiDisplayspecificationwillbeidentifiedbutnotdiscussed–DetailsofprerequisitecertificationsshallnotbediscussedinthismoduleReferencematerial:SpecificationWi-FiAllianceMemberNon-member(Loginrequired)(Purchaserequired)Wi-FiDisplayV1.07draftOnl

3、yavailabletoWi-FiDisplayNotyetavailableTechnicaltaskgroupmembersWi-FiP2PV1.01Wi-FiProtectedSetupV2.0DownloadforfreefromAvailableforpurchaseatWMMV1.2http://www.wi-fi.org/specifications.phphttps://www.wi-fi.org/knowledge_center_overview.php?type=4IEEE802.11-2007(WPA2)Wi-FiAlliance,April2011178

4、OverviewofWi-FiDisplay•Criticalterminology–Source:Adevicethatiscapableoftransmittingmultimediacontent–Sink:Adevicethatiscapableofreceivingandrenderingmultimediacontent•TheWi-FiAllianceisdevelopinga“Wi-FiDisplaySpecification”toenableandsustainasecureconnectionbetweenmultimediadevices,basedonW

5、i-Fi,tofacilitateaudio/videorendering–ThedraftspecificationiscurrentlyavailableonlytoWi-FiAllianceDisplayTaskGroupmembers–ThespecificationisplannedforbroadmembershipandpublicreleaseatthetimewhencertificationforWi-FiDisplaytechnologybecomesavailable–Memberswillbeabletocertifytheirdevicesforth

6、eWi-FiAllianceWi-FiDisplaycertificationprogramusingatestplanwrittenforthisspecification•Thebrandednameforthistechnologyisto-be-determined–OnlydevicescertifiedforWi-FiDisplayshallbeabletousethebrandandsupportingmarketingmaterial•Thispresentationshalluse“WFD”asanabbreviationforthetechnologyWi-

7、FiAlliance,April2011179BasicWi-FiDisplayDefinitions•Source:AWi-FiDisplaydevicethatiscapableoftransmittingcontent•Sink:AWi-FiDisplaydevicethatiscapableofreceivingandrenderingcontentVideoPayloadWi-FiDisplayAudioPayloadWi-FiDisplaySourceSinkControl•PC