IEEE 802 11-2012 en Information technology-Telecommunications and information exchange between systems Local and metropolitan area networks-Specific requirement.pdf

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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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7、rds, intend to urge action that is notin compliance with applicable laws, and these documents may not be construed as doing so.CopyrightsThis document is copyrighted by the IEEE. It is made available for a wide variety of both public and privateuses. These include both use, by reference, in laws and

8、 regulations, and use in private self-regulation,standardization, and the promotion of engineering practices and methods. By making this documentavailable for use and adoption by public authorities and private users, the IEEE does not waive any rights incopyright to this document.Updating of IEEE do

9、cumentsUsers of IEEE standards should be aware that these documents may be superseded at any time by theissuance of new editions or may be amended from time to time through the issuance of amendments,corrigenda, or errata. An official IEEE document at any point in time consists of the current editio

10、n of thedocument together with any amendments, corrigenda, or errata then in effect. In order to determine whethera given document is the current edition and whether it has been amended through the issuance ofamendments, corrigenda, or errata, visit the IEEE-SA website or contact the IEEE at the add

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

13、idity of any patent rights in connection therewith. A patent holder or patent applicant hasfiled a statement of assurance via an Accepted Letter of Assurance, then the statement is listed on the IEEE-SA website http:/standards.ieee.org/about/sasb/patcom/patents.html. Letters of Assurance may indicat

14、ewhether the Submitter is willing or unwilling to grant licenses under patent rights without compensation orunder reasonable rates, with reasonable terms and conditions that are demonstrably free of any unfairdiscrimination to applicants desiring to obtain such licenses. Essential Patent Claims may

15、exist for which a Letter of Assurance has not been received. The IEEE is notresponsible for identifying Essential Patent Claims for which a license may be required, for conductinginquiries into the legal validity or scope of Patents Claims, or determining whether any licensing terms orconditions pro

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