1、g3g3g3g3Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications g3Sponsored by the LAN/MAN Standards Committee g3IEEE 3 Park Avenue New York, NY 10016-5997 USA 29 March 2012 IEEE Computer Society IEEE Std 802.11-22012(Revision of IEEE Std 802.11-2007)g3IEEE Standard
2、 for Information technologyTelecommunications and information exchange between systems Local and metropolitan area networks Specific requirements IEEE Std 802.11-2012(Revision ofIEEE Std 802.11-2007)IEEE Standard for Information technology Telecommunications and information exchange between systemsL
3、ocal and metropolitan area networks Specific requirementsPart 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) SpecificationsSponsorLAN/MAN Standards Committee of the IEEE Computer SocietyApproved 6 February 2012IEEE-SA Standards BoardThe Institute of Electrical and Electronics
4、Engineers, Inc.3 Park Avenue, New York, NY 10016-5997, USACopyright 2012 by The Institute of Electrical and Electronics Engineers, Inc.All rights reserved. Published 29 March 2012. Printed in the United States of America.IEEE and 802 are registered trademarks in the U.S. Patent +1 978 750 8400. Perm
5、ission to photocopy portions of anyindividual standard for educational classroom use can also be obtained through the Copyright Clearance Center.iv Copyright 2012 IEEE. All rights reserved.Notice to usersLaws and regulationsUsers of IEEE Standards documents should consult all applicable laws and reg
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11、ress listedpreviously. For more information about the IEEE Standards Association or the IEEE standards developmentprocess, visit the IEEE-SA website.ErrataErrata, if any, for this and all other standards can be accessed at the following URL: http:/standards.ieee.org/findstds/errata/index.html. Users
12、 are encouraged to check this URL for errataperiodically.PatentsAttention is called to the possibility that implementation of this standard may require use of subject mattercovered by patent rights. By publication of this standard, no position is taken by the IEEE with respect to theexistence or val
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16、vided in connection with submission of a Letter of Assurance, if any, or in any licensingagreements are reasonable or nondiscriminatory. Users of this standard are expressly advised thatdetermination of the validity of any patent rights, and the risk of infringement of such rights, is entirely their
17、own responsibility. Further information may be obtained from the IEEE Standards Association.Copyright 2012 IEEE. All rights reserved. vParticipantsAt the time this revision was sent to sponsor ballot, the IEEE 802.11 Working Group had the followingofficers:Bruce Kraemer, ChairJon Walter Rosdahl, Vic
18、e-Chair and TreasurerAdrian P. Stephens, Vice-Chair, Technical Editor and Assigned Number AuthorityStephen McCann, SecretaryPeter Ecclesine, Technical EditorClint Chaplin, Chair, Wireless Next Generation Standing CommitteeDavid Bagby, Chair, Architecture Standing CommitteeAndrew Myles, Chair, JTC1 A
19、d hocRichard H. Kennedy, Chair, Regulatory Ad hoc and Task Group afHiroshi Mano, Chair, FIA Study GroupDorothy Stanley, Chair, Task Group mb and Task Group vDee Denteneer, Chair, Task Group sMenzo M. Wentink, Chair, Task Group zGanesh Venkatesan, Chair, Task Group aaOsama S. Aboul-Magd, Chair, Task
20、Group acEldad Perahia, Chair, Task Group adMichael Montemurro, Chair, Task Group aeDave Halasz, Chair, Task Group ahThe officers and members of the Task Group mb Working Group ballot pool are as follows:Matthew S. Gast, Chair (to March 2010)Dorothy Stanley, Chair (from May 2010)Michael Montemurro, V
21、ice ChairJon Walter Rosdahl, SecretaryAdrian P. Stephens, EditorSantosh P. AbrahamTomoko AdachiAlok AggarwalCarlos H. AldanaGary AnwylLee R. ArmstrongAlex AshleyMalik AudehGeert A. AwaterMichael BahrFan BaiGabor BajkoJohn R. BarrGal BassonTuncer BaykasJohn L. BenkoMathilde BenvenisteDaniel BorgesAnt
22、hony BraskichJoseph BrennanGeorge BumillerDaniel Camps-MurNancy Cam-WingetNecati CanpolatJavier CardonaPhilippe ChambelinDouglas S. ChanJiunn-Tsair ChenLidong ChenMinho CheongWoong ChoJee-Yon ChoiNakjung ChoiLiwen ChuTerry L. ColeCharles I. CookXavier P. CostaDavid E. CypherMarc De CourvilleRolf J.
23、deVegtJeremy deVriesSusan DickeyYoshiharu DoiJohn DorseyRoger P. DurandSrinivasa DuvvuriDonald E. EastlakeMichael EllisStephen P. EmeottMarc EmmelmannDarwin EngwerVinko ErcegRobert FanfelleStefan FechtelMatthew J. FischerWayne K. FisherRyuhei FunadaJames P. GilbJeffrey GilbertReinhard GlogerMichelle
24、 GongDavid GoodallMark GrodzinskyJianlin GuoMark HamiltonC. J. HansenHiroshi HaradaDan N. HarkinsBrian D. HartAmer A. HassanVegard HasselRobert F. HeileGuido R. HiertzNaoki HonmaWendong Huvi Copyright 2012 IEEE. All rights reserved.Major contributions were received from the following individuals:Rob
25、ert Y. HuangAkio IsoWynona JacobsJunghoon JeeHongseok JeonYeonkwon JeongJorjeta G. JetchevaLusheng JiDaniel JiangPadam KafleCarl W. KainNaveen K. KakaniMasato KatoShuzo KatoDouglas KavnerJohn KenneyStuart J. KerryJoonsuk KimKyeongpyo KimYongsun KimYunjoo KimJarkko KnecktMark M. KobayashiFumihide Koj
26、imaTom KolzeJohannes P. KruysThomas KuehnelThomas M. KuriharaJoseph KwakEdwin KwonHyoungjin KwonIsmail LakkisPaul LambertZhou LanJeremy A. LandtJoseph P. LauerTae H. LeeWooyong LeeYuro LeeSheung LiHang LiuMichael LivshitzPeter LocDaniel LubarJakub MajkowskiAlastair MalarkyJouni K. MalinenAlexander M
27、altsevBill MarshallRoman M. MaslennikovJustin P. McNewSven MeseckeRobert R. MillerRajendra T. MoortiHitoshi MoriokaYuichi MoriokaPeter MurrayYukimasa NagaiKengo NagataHiroki NakanoChiu NgoPaul NikolichEero NikulaRichard H. NoensJisung OhJong-Ee OhChandra S. OlsonYouko OmoriSatoshi OyamaRichard H. Pa
28、ineArul D. PalaniveluChangmin ParkMinyoung ParkVijaykumar PatelBemini H. PeirisJames E. PetranovichAlbert PetrickJames D. PortaroHenry S. PtasinskiRene PurnadiEmily H. QiLuke QianHuyu QuJim E. RaabMohammad RahmanVinuth RaiAli RaissiniaHarish RamamurthyStephen G. RaymentIvan ReedeAlex ReznikRandal Ro
29、ebuckRichard RoyAlexander SafonovKazuyuki SakodaHemanth SampathKatsuyoshi SatoHirokazu SawadaDonald SchultzYongho SeokHuairong ShaoNeeraj SharmaStephen J. ShellhammerIan SherlockKai ShiShusaku ShimadaFrancois SimonGraham K. SmithMatt SmithYoo-Seung SongKapil SoodVinay SridharaRobert StaceyDavid S. S
30、tephensonCarl R. StevensonJohn StineGuenael T. StruttChin-Sean SumArash TabibiazarEiji TakagiMineo TakaiTeik-Kheong TanAllan ThomsonJerry ThrasherEric TokuboIchihiko ToyodaJason TrachewskySolomon B. TraininRichard D. Van NeeAllert Van ZelstMathieu Varlet-AndrePrabodh VarshneyDalton T. VictorGeorge A
31、. VlantisJesse R. WalkerJunyi WangQi WangCraig D. WarrenFujio WatanabePatrick WayeFrank WhettenJames WorshamHarry R. WorstellTakeshi YamamotoJames YeePeter YeeSu K. YongSeiji YoshidaChristopher YoungArtur ZaksHongyuan ZhangHuimin ZhangShiwei ZhaoPeter EcclesineMatthew S. GastMichelle GongMark Hamilt
32、onDan HarkinsBill MarshallMichael MontemurroHenry PtasinskiMark RisonJon Walter RosdahlAshish ShuklaRobert StaceyDorothy StanleyAdrian P. StephensDave StephensonShi YangCopyright 2012 IEEE. All rights reserved. viiThe following members of the individual balloting committee voted on this revision. Ba
33、lloters may havevoted for approval, disapproval, or abstention.Tomoko AdachiRoberto AielloThomas AlexanderRichard AlfvinMark AndersonPeter AnslowLee ArmstrongTorrey AtcittyTuncer BaykasHarry BimsGennaro BoggiaNancy BravinWilliam ByrdRuben Salazar CardozoJames CarloYi-Ming ChenKeith ChowCharles CookT
34、heodorus DenteneerWael DiabPatrick DiamondRussell DietzThomas DineenRoger DurandSourav DuttaDonald EastlakePeter EcclesineRichard EckardMarc EmmelmannMatthew FischerPrince FrancisAvraham FreedmanDevon GaylePieter-Paul GiesbertsJames GilbStephen GlassReinhard GlogerTim GodfreyPatrick GoniaSudheer Gra
35、ndhiRandall GrovesMichael GundlachC. GuyRainer HachDavid HalaszMark HamiltonChristopher HansenMarco HernandezGuido HiertzRonald HochnadelOliver HoffmannDavid HunterYasuhiko InoueSergiu IordanescuAkio IsoAtsushi ItoRaj JainJunghoon JeeVincent JonesBobby JoseTal KaitzNaveen KakaniShinkyo KakuMasahiko
36、KanekoTae-Gyu KangPiotr KarockiJohn KenneyStuart J. KerryYongbum KimYouhan KimPatrick KinneyBruce KraemerThomas KuriharaDavid LandryJeremy LandtMichael LererDaniel LevesqueJan-Ray LiaoArthur LightRu LinLu LiruWilliam LumpkinsGreg LuriBradley LynchChris LyttleElvis MaculubaAlastair MalarkyJouni Malin
37、enRoger MarksJeffery MastersStephen McCannMichael McInnisJustin McNewSteven MethleyDavid MittonEmmanuel MonnerieMichael MontemurroMatthew MoraJose MoralesRonald MuriasRick MurphyPeter MurrayAndrew MylesMichael S. NewmanCharles NgethePaul NikolichKevin NollSatoshi ObaraKnut OdmanRobert OHaraChris Ost
38、erlohSatoshi OyamaGlenn ParsonsEldad PerahiaJames PetranovichVenkatesha PrasadMichael ProbascoHenry PtasinskiSridhar RajagopalJayaram RamasastryMaximilian RiegelRobert RobinsonRandal RoebuckJon Walter RosdahlHerbert RuckRandall SafierKazuyuki SakodaNaotaka SatoBartien SayogoCristina SeibertRich Seif
39、ertYang ShiShusaku ShimadaGil ShultzDi Dieter SmelyJae-Hyung SongKapil SoodAmjad SoomroManikantan SrinivasanDorothy StanleyKenneth StanwoodThomas StaraiAdrian StephensRene StruikWalter StrupplerMark SturzaBo SunJun Ichi TakadaDavid ThompsonSolomon TraininMark-Rene UchidaPrabodh VarshneyBhupender Vir
40、kGeorge VlantisStanley WangStephen WebbHung-Yu WeiMenzo WentinkJames WorshamHarry WorstellForrest WrightTan Pek YewOren YuenJanusz Zalewskiviii Copyright 2012 IEEE. All rights reserved.When the IEEE-SA Standards Board approved this revision on 6 February 2012, it had the followingmembership:Richard
41、H. Hulett, ChairJohn Kulick, Vice ChairRobert M. Grow, Past PresidentJudith Gorman, Secretary*Member EmeritusAlso included are the following nonvoting IEEE-SA Standards Board liaisons:Satish K. Aggarwal, NRC RepresentativeRichard DeBlasio, DOE RepresentativeMichael H. Kelly, NIST RepresentativeMiche
42、lle D. TurnerIEEE Standards Program Manager, Document DevelopmentPatricia GerdonIEEE Standards Program Managers, Technical Program DevelopmentMasayuki AriyoshiWilliam BartleyTed BurseClint ChaplinWael DiabJean-Philippe FaureAlexander GelmanPaul HouzJim HughesJoseph L. Koepfinger*David J. LawThomas L
43、eeHung LingOleg LogvinovTed OlsenGary RobinsonJon Walter RosdahlSam SciaccaMike SeaveyCurtis SillerPhil WinstonHoward WolfmanDon WrightCopyright 2012 IEEE. All rights reserved. ixIntroductionThis introduction is not part of IEEE Std 802.11-2012, IEEE Standard for Information technologyTelecommunicat
44、ions and information exchange between systemsLocal and metropolitan area networkSpecificrequirementsPart 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications.This revision gives users, in one document, the IEEE 802.11 standard for wireless local area networks(WLANS) w
45、ith all the amendments that have been published to date. Incorporating published amendmentsThe original standard was published in 1999 and reaffirmed in 2003. A revision was published in 2007,which incorporated into the 1999 edition the following amendments: IEEE Std 802.11a-1999,IEEE Std 802.11b-19
46、99, IEEE Std 802.11b-1999/Corrigendum 1-2001, IEEE Std 802.11d-2001, IEEEStd 802.11g-2003, IEEE Std 802.11h-2003, IEEE Std 802.11i-2004, IEEE Std 802.11j-2004 andIEEE Std 802.11e-2005. The current revision, IEEE Std 802.11-2012, incorporates the following amendments into the 2007 revision: IEEE Std
47、802.11k-2008: Radio Resource Measurement of Wireless LANs (Amendment 1) IEEE Std 802.11r-2008: Fast Basic Service Set (BSS) Transition (Amendment 2) IEEE Std 802.11y-2008: 36503700 MHz Operation in USA (Amendment 3) IEEE Std 802.11w-2009: Protected Management Frames (Amendment 4) IEEE Std 802.11n-20
48、09: Enhancements for Higher Throughput (Amendment 5) IEEE Std 802.11p-2010: Wireless Access in Vehicular Environments (Amendment 6) IEEE Std 802.11z-2010: Extensions to Direct-Link Setup (DLS) (Amendment 7) IEEE Std 802.11v-2011: IEEE 802.11 Wireless Network Management (Amendment 8) IEEE Std 802.11u
49、-2011: Interworking with External Networks (Amendment 9) IEEE Std 802.11s-2011: Mesh Networking (Amendment 10)As a result of publishing this revision, all of the previously published amendments and revisions are nowretired. Technical corrections, clarifications, and enhancementsIn addition, this revision specifies technical corrections and clarifications to IEEE Std 802.11 as well asenhancements to the existing medium access control (MAC) and physical layer (PHY) functions. Suchenhancements include incorporated interpretation reques
