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The Impact of 5th Generation WiFi (802.11ac)

Lecture on the 5G WiFi (802.11ac) and its impact.

mazlanabbas
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The Impact of 5th Generation WiFi (802.11ac)

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  1. The Impact of 5th Generation WiFi (802.11ac) Dr. Mazlan Abbas MIMOS Berhad mazlan.abbas@mimos.my @mazlan_abbas Dr. Mazlan Abbas

  2. Wi-Fiacis inevitable...

  3. Butquestionsremain What will drive adoption? Whatwillthe impactbe? Whatisac? Whencanwe expectit?

  4. Wi-Fiacaquickprimer • NextgenerationWi-Fi,firstpartoftheacspecificationtoberatifiedin February2013 • SomechipsetvendorshavealreadymadeavailableWi-Fiacchipsetstotheir partners.Devicesalreadyonthemarket • IthasbeentoutedasGigabytewireless.Whilstpossible,atitsbaselevel1x1 onlyasfastas450Mbps. • BuildsonmanyofthechangesandinnovationsseeninWi-Fin

  5. FourdriversfortheadoptionofWi-Fiac Increased internet usage Successof Wi-Fi integrationin SmartTV devices Wi-Fionly portable devices Currentand expected usage problems

  6. FourdriversfortheadoptionofWi-Fiac Increased internet usage Successof Wi-Fi integrationin SmartTV devices Wi-Fionly portable devices Currentand expected usage problems

  7. 1.Increasedinternetusage

  8. Popularityofonlinevideo Onlinevideousers(mil.) 2,500.0 2,124.9 1,919.2 2,000.0 1,500.0 1,722.8 1,539.1 1,365.7 1,195.3 1,000.0 500.0 0.0 201020112012201320142015 • Videoisexpectedtobethemaindriverofinternettrafficgrowth • Unlikewebbrowsing,email,softwaredownloadsvideoistimesensitive

  9. 2.Portabledevices

  10. PortabledevicesrelyheavilyonWi-Fi Tablets Smartphones Ultrabooks • UltrabooklaptopsoftenlackEthernetports • TabletsandsmartphonesusersrelyheavilyonhomeWi-Fiandhotspots • ThesedevicesarejustemergingsoWi-Finetworksareonlygoingtocomeunder morestrain

  11. Thesmartphoneeffect Smartphonessales(mil.)2010-2016 1000 800 600 400 200 0 201020112012201320142015 • Wi-Fiacwillonlybeinsmartphonesattheearliestin2013 2016 • Withsuchalargemarketthatevenasmallpercentagewillbesubstantial • ShortlifecycleswillhaveapositiveimpactonWi-Fiacinstallrates

  12. 3.SmartTVdevices

  13. SmartTVdevicesontherise 450 400 350 300 250 200 150 100 50 - Global,in-homeconnecteddevicesalesforecasts 2010 2011 2012 2013 2014 2015 ConnectedTVs BD STB Console Mediastreamer • Perhapsnotallbutcertainlymanyofthesedeviceswillbeconnectingto theinternetoverWi-Fi.

  14. StationarydevicesareoptingforWi-Fi • ThosethatSmartTVsandgamesconsolesthatuseWi-Fihavehigher connectionrates • SuggestingusersarenotonlyreluctanttouseEthernet,butarecomfortable withWi-Fi • HDVideoisakeyserviceandimprovingperformancewillbeessentialgoing forward.

  15. EvenPay-TVisembracingWi-Fi

  16. 4.Currentandfuturecongestionproblems

  17. Thecongestionproblem • The2.4Ghzspectrum, usedbyWi-Fib/g/nis alreadycongested. • Congestioncauses interferencewhichhas adetrimentleffecton users’Wi-Fiexperience • Lessimportantfor applicationswhichare nottimesensitive

  18. Congestionisalreadyaproblem • Wi-Fiacattemptstosolvethiscongestionproblembyabandoningthe2.4Ghz spectrum. • Itusesthe5Ghzspectrumexclusively. • Atpresent5Ghzisfarlessbusy,somovingovertothisspectrumshould benefitendusers.

  19. Thenegativeimpactofnewconnecteddevices Number of devices using WiFi (a/b/g/n) User experience

  20. Edgingclosertothattippingpoint • AlmostatthepointwhereWi-Finisnolongerasolution,butaproblem • Somehouseholdscloserthanothers • Theaverageuserdoesnotunderstandthesituation • ExpectWi-Fitojustwork

  21. ImpactofWi-Fiac

  22. Wi-Fiaccansolvethecongestionproblem… Wi-Fincanonlysendandreceivedatafromonedevice atatime. •Sendingburstsofdatatoeachinturn •Themoredevicestheslowerdatatransferisasittakestherouterlonger tocomebackroundtotheoriginaldevice Wi-Fiaccanthedemandsofmultipledevices simultaneouslyduetomultiuserMIMO(MU-MIMO) •Dataissentandrecievedfromeachdevice,whichreceivesthefull bandwidthonoffercontinuously. •Thisshouldspeedupdatatransferandimprovetheuserexperience. MU-MIMOisoneofthemajorinnovationsoftheWi-Fiac standard •Howeveritwillonlybefullyratifiedintheseconddraftwhichwillbe ratifiedafter2012

  23. ….Butexpect5Ghztobecomeclogged • SomeEuropeanoperatorsthathaveadoptedthe5Ghzspectrumfortheir IPTVservicesarealreadyreportingseeingcongestion • Inevitablythemoredevicesthatusethe5Ghzspectrumthegreaterthe chanceofinterferenceandcongestion. • Thechallengeofwhattodooncethisbecomesaproblemneedstobedealt withaheadoftime. • Dualbandsolutionsmaybeonesolution. • Theshortrangeadstandardcouldbeanother

  24. Behaviourwilladapttonewthroughput Newtechnology: Increased Throughput Throughputdeficit Newapplications Temporarysurplus Increasedusageof oldapplications

  25. Videowillbeaccessiblefromeverywhere • Potentcocktailof: • Moredevices,usedinmultiplerooms • Newlighterformfactorswillincreaseportability • Morereliableconnections • Greaterthroughput • Plethoraofservices

  26. Conclusions Wi-Fiacisamajorstepforwardandcansupportmultiple devicesmuchbetterthann. •However,toavoidcongestiondownthelineuseofwirelinetechnologies shouldbedeployedwheretheycan. SmartphoneswilldriveadoptionofWi-Fiac •Theywillbenefitmostastheytendnottohaveroomformultipleantenna Insidethehomethemajorhindrancetotake-upofWi-Fi acwillbebroadbandoperators. •Theseoperatorsshouldseriouslyconsiderrollingoutthistechnologyasit shouldsignificantlyimpactsubscriberexperience.

  27. References • “Examining the drivers for the adoption and potential impact of Wi-Fi ac”, Andrew Landbrooke, WiFi World Summit, Sept. 2012, Barcelona

  28. Thank You

  29. Contact Dr. Mazlan Abbas @mazlan_abbas mazlan.abbas@mimos.my

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