[802.11ac：A.Survival.Guide(2013.7)].Matthew.Gast.文字版

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1、802.11ac:ASurvivalGuideMatthewS.Gast802.11ac:ASurvivalGuidebyMatthewS.GastCopyright©2013MatthewS.Gast.Allrightsreserved.PrintedintheUnitedStatesofAmerica.PublishedbyO’ReillyMedia,Inc.,1005GravensteinHighwayNorth,Sebastopol,CA95472.O’Reillybooksmaybepurchase

2、dforeducational,business,orsalespromotionaluse.Onlineeditionsarealsoavailableformosttitles(http://my.safaribooksonline.com).Formoreinformation,contactourcorporate/institutionalsalesdepartment:800-998-9938orcorporate@oreilly.com.Editors:MikeLoukidesandMeghan

3、BlanchetteCoverDesigner:KarenMontgomeryProductionEditor:KristenBorgInteriorDesigner:DavidFutatoProofreader:RachelHeadIllustrators:RobertRomanoandRebeccaDemarestAugust2013:FirstEditionRevisionHistoryfortheFirstEdition:2013-07-22:FirstreleaseSeehttp://oreilly

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6、yprecautionhasbeentakeninthepreparationofthisbook,thepublisherandauthorassumenoresponsibilityforerrorsoromissions,orfordamagesresultingfromtheuseoftheinformationcontainedherein.ISBN:978-1-449-34314-9[LSI]ForL.,whoremindsmeit’sokaytohavemyheadinthecloudssome

7、times.AndfortheNCSAinstructionteamwhomademeintoapilotsoIcangetthere:Mike,Terence,Larry,Mike,John,Buzz,andJohn.TableofContentsForeword.....................................................................viiPreface.............................................

8、..........................xi1.Introductionto802.11ac.....................................................1History1TheCoreTechnologyof802.11ac4BeamformingandMulti-UserMIMO(MU-MIMO)6OperatingFrequencyBan