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EEE Std80211-2012 Revision of EEE Std802.11-2007) IEEE Standard for Information technology Telecommunications and information exchange between systems Local and metropolitan area networks- Specific requirements Part 11: Wireless lan medium Access Control (MAC)and Physical Layer(PHY) Specifications Sponsor LAN/MAN Standards Committee of the IEEE Computer Society Approved 6 February 2012 IEEE-SA Standards board Abstract: This revision specifies technical corrections and clarifications to IEEE Std 802. 11 for wireless local area networks(WLANS) as well as enhancements to the existing medium access control (MAC) and physical layer(PHY) functions. It also incorporates Amendments 1 to 10 published in 2008 to 2011 Keywords: 2.4 GHz, 3650 MHZ, 4.9 GHZ, 5 GHz, 5. 9 GHz, advanced encryption standard, AES, carrier sense multiple access/collision avoidance, CCMP, channel switching, Counter mode with Cipher-block chaining Message authentication code Protocol, confidentiality, CSMA/CA, DFS direct link, dynamic frequency selection, E911, emergency alert system, emergency services forwarding, generic advertisement service, high throughput, IEEE 802.11, interface, international roaming, interworking, interworking with external networks, LAN, local area network, MAC measurement, medium access control, media- independent handover, medium access controller mesh, MIH, MIMO, MIMO-OFDM, multi-hop, multiple input multiple output, network advertisement, network discovery, network management, network selection, off-channel direct link, path-selection PHY, physical layer, power saving, QoS, quality of service, PHY, physical layer, Qos mapping radio, radio frequency, RF, radio resource, radio management, SSP, SSPN, subscriber service provider, temporal key integrity protocol, TKIP, TPC, transmit power control, tunneled direct link setup wireless access in vehicular environments, wireless LAN, wireless local area network WLAN, wireless network management, zero-knowledge proof The Institute of Electrical and Electronics Engineers, Inc 3 Park Avenue New york. Ny 10016-5997 USA Copyright ( 2012 by The Institute of Electrical and Electronics Engineers, Inc All rights reserved. Published 29 March 2012. Printed in the United States of America lEEE and 802 are registered trademarks in the U.s. Patent Trademark Office, owned by The Institute of Electrical and Electronics Engineers, Incorporated Print SBN9780738172118sTD97218 PDE SBN978-073817245-3 STDPD97218 leeEprohibitsdiscriminationharassmentandbullyingFormoreinformationvisithttp:/ No part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior written permission of the pub/sher. 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Errata Errata,ifanyforthisandallotherstandardscanbeaccessedatthefollowingUrl:http:// standards. ieee. org/findstds/errata/index. html. Users are encouraged to check this url for errata periodicall Patents Attention is called to the possibility that implementation of this standard may require use of subject matter covered by patent rights. By publication of this standard, no position is taken by the ieee with respect to the existence or validity of any patent rights in connection therewith. a patent holder or patent applicant has filed a statement of assurance via an Accepted Letter of Assurance, then the statement is listed on the Ieee Sawebsitehttp://standards.ieeeorg/about/sasb/patcom/patents.htmlLettersofAssurancemayindicate whether the Submitter is willing or unwilling to grant licenses under patent rights without compensation or under reasonable rates, with reasonable terms and conditions that are demonstrably free of any unfair discrimination to applicants desiring to obtain such licenses Essential Patent Claims may exist for which a Letter of Assurance has not been received. The IEEE responsible for identifying Essential Patent Claims for which a license may be required, for conducting inquiries into the legal validity or scope of Patents Claims, or determining whether any licensing terms or conditions provided in connection with submission of a Letter of Assurance, if any, or in any licensing agreements are reasonable or nondiscriminatory. Users of this standard are expressly advised that determination of the validity of any patent rights, and the risk of infringement of such rights, is entirely their own responsibility. Further information may be obtained from the IEEe Standards Association Copyright@ 2012 IEEE. All rights reserved Participants At the time this revision was sent to sponsor ballot, the IEEe 802. 11 Working Group had the following slicers Bruce Kraemer. Chair Jon Walter Rosdahl. Vice-Chair and Treasurer Adrian P. Stephens, vice-Chair, Technical editor and ssigned Number Authority Stephen m Secreta Peter Ecclesine Technical editor Clint Chaplin, Chair, Wireless Next Generation Standing Committee David Bagby, Chair, Architecture Standing Committee Andrew Myles, Chair TCL Ad hoc Richard h. Kennedy, Chair, Regulatory Ad hoc and task Group af Hiroshi Mano, Chair, FIA Study Group Dorothy Stanley, Chair, Task Group mb and Task Group Dee Denteneer, Chair, Task Group s Menzo M. Wentink, Chair, Task group z Ganesh Venkatesan, Chair, Task Group aa Osama S Aboul-Magd, Chair, Task group ac Eldad Perahia, Chair, Task Group ad Michael Montemurro, Chair, Task group ae Dave Halasz, Chair, Task group ah The 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(trom May 2010) Michael montemurro, vice chair Jon walter rosdahl, secretary Adrian P Stephens, editor Santosh p, abraham Philippe chamberlin Darwin enger Tomoko adachi Douglas s Chan Vinko erceg Alok Aggarwal Jiunn-Tsair chen Robert fanfelle Carlos h. aldana Lidong Chen Stefan Fechter Gary Anwyl Minho cheong Matthew J. Fische Lee r. armstrong Woong cho Wayne k. fisher Alcx Ashley Jee-Y on choi Ryuhei Funda Malik audeh Nakjung Choi James P Gilb Geert A. Awater Liwen chu Jeffrey gilbert Michael bahr Terry L. Cole Reinhard gloger Fan B Charles l. cook Michelle gong Gabor Bajo Xavier p. costa David goodall John barr David E Cypher Mark Grodzinsky Gal basson Marc de courville Jianlin guo Tuncer bayas Rolf J de vegt Mark hamilton John l. benko Jeremy de vries Mathilde benveniste Susan d Hiroshi harada Daniel Borges chiharu doi Dan. harkins anthony braskich John dol Brian d. hart Joseph brennan Roger P Durand Amer A hassan eorge bumille Srinivasa duvvuri Daniel Camps-Mur Donald e eastlake Robert f. heile Cam-Winget Michael ellis Guidor, hertz Necati Canpolat Stephen P. Emmott Naoki honma Javier Cardona Marc emmelmann Wendong hu Copyright@ 2012 IEEE. All rights reserve Robert Y Huang Sven mesecke Stephen J Shellhammer Akio iso Robert r miller lan sherlock Wynona jacobs Rajendra t. moorti Kai shi Junghoon Jee Hitoshi morioka Shusaku shimada Hongseok Jeon Francois simon Yeonkwon Jeong Peter Murray Graham K. smith Jorjeta G. Jetcheva Yukimasa nagal Matt smith Lusheng ji Kengo Na Y ng 00-seun Daniel Jiang Hiroki nakano Kapil sood Padam Afl Chiu ngo Vinay sridhara Carl w. kain Paul nikolich Robert stacey Naveen k. Kakani Eero nikula David S Stephenson Masato kato Richardh. noens CarI R. Stevenson Shuzo kato Jisung oh John stine Douglas Kane Jong-Ee oh Guenaelt strutt John Kenne Chandra s. olson Chin-Sean Sum Arash taibi Joonsuk kim Satoshi oyama Eiji Kyeongpyo Kim Richard h. paine Mineo takai Y Auld. palanivelu Teik-Kheong Tan unoo Klm Changmin Park Allan thomson Jarkko Kncckt Mi Park crry Mark m. Kobayashi Vijaykumar Patel Eric okubo Fumihide Kojima Beminih. peiris Ichihiko Toyoda James e. PetranoⅤich Jason Trachewsky Johannes P. Kruys Albert petrick Solomon b. trainin Thomas Kuehnel James d. portaro Richard D. van nee Thomas m. Kurihara Henry s. ptasinski Allert van zelst Joseph Kwak Rene purnadi Mathieu varlet-Andre Edwin Ki Emily H Qi y Hyoungjin Kwon Luke Qian Dalton t.Ⅴ Ictor Ismail Lakkis Huyu qu George A. vlantis Paul lambert Ji e raab Jesse r. walker Zhou lan Mohammad rahman unl wang Jcrcmy A Landt Ⅴ nuth rai Qi Wang Joseph p. lauer Ali Raissinia Craig d. warren Taeh. Lee Harish Ramamurthy Fujio watanabe Wooyoung Lee Stephen g rayment Patrick Waye Ivan reede Frank w Sheung li Alex reznik James Worsham Hang lill Randal roebuck arry. worstell Michael livshitz Richard roy Takeshi y amamoto Peter loc Alexander safonov James yee Daniel lubar Kazuyuki sakoda Peter yee Jakub majkowski Hemanth sampath Su K. Yong Alastair malarky Katsuvoshi sato Seiji yoshida Jouni K. malinen Hirokazu sawada Christopher Young Alexander maltscy Donald schultz Artur Zaks Bill marshall Yongho Seok Roman m. maslennikoy Huairong shao Huimin Zhang Justin P mcnew Neeraj Sharma Shiwei zhao Major contributions were received from the following individuals Peter ecclesiae Bill marshall Robert stace Matthew s gast Michael montemurro Dorothy Stanley Michelle Gong Henry Ptasinski Adrian P. Stephens Mark hamilton Mark ris Dan harkins Jon Walter rosdahl Shi yang Ashish shukla Copyright 2012 IEEE. All rights The following members of the individual balloting committee voted on this revision. Balloters may have voted for approval, disapproval, or abstention Tomoko adach atsushi lto Robert o’Hara Roberto aiello Ral jain Chris osterloh Thomas alexander Junghoon jee Satoshi oyama Richard Alfin Vincent jones Glenn parsons Mark Anderson Bobby Jose Eldad perahia Peter anglo Tal Kaitz James petranovich Lee armstrong Naveen Kakani Venkatesha prasad Torrey Atcitt Shinkyo kaku Michael Probasco T Bayk Masahiko kaneko Henry ptasinski Harry bims Tae-Gyu Kang Sridhar Rajagopal Gennaro Boggia Piotr Karocki Jayaram ramasastry Nancy bravin John Kenney Maximilian riegel William byrd Stuart J. Kerry Robert robinson Ruben salazar cardozo Yongbum Kim Randal roebuck James Carlo Youhan kim Jon walter rosdahl Yi-Ming Chen Patrick Kinney Herbert ruck Keith Chow Bruce kraemer Randall safier Charles Cook Thomas Kurihara Kazuyuki sakoda Theodorus denteneer David landry Naotaka sato Wael diab Jeremy landt Bartien Sayogo Patrick diamond Michael lcrcr Cristina seibert Russell dietz Daniel levesque Rich Seifert Thomas dine Jan- Ray liao Yang Sh Roger durand Arthur Light Shusaku shimada Souray dutta Ru lin Gil shultz Donald eastlake Lu Lir Peter Ecclesiae William Lumpki Jae-hyung so Richard eckard Greg luri Kapil sood Marc emmelmann Bradley lynch Amjad Soomro Matthew fischer Chris lyttle Manikantan srinivasan Prince francis Elvis maculuba Dorothy stanle Avraham freedman Alastair Malarky Kenneth Stanwood Devon gayle Jouni malinen Thomas starai Pieter-Paul giesberts Roger Marks Adrian Stephen James gilb Jeffery masters Rene Struik Stephen glass Stephen McCann Walter Struppler Reinhard Gloger Michael mcinnis Mark sturza Tim Godfrey Justin money Patrick gonia Steven methley Jun lchi takada Sudheer grandhi David mitton David Thompson Randall groves Emmanuel monnerie Solomon trainin Michael gundlach Michael montemurro Mark-Rene uchida C. Guy Matthew mora Prabodh varshney Rainer hach Jose morales Bhupender virk David halasz Ronald murias George vlantis Mark hamilton Rick Murphy Stanley wa Christopher Hansen Peter murray Stephen Wcbb Marco hernandez Andrew Myles Hung-Yu Wei Guido hertz Michael s. Newman Menzo Wentink Ronald hochnadel Charles ngethe James Worsham Oliver Hoffmann Paul nikolich Harry Worstell David hunte Kevin noll Yasuhiko inoue Satoshi obara Tan pek yew Sergiu lordanescu Knut odman Oren yuen Akio iso Janusz zalewsk Copyright@ 2012 IEEE. All rights reserve When the IEEF-Sa Standards Board approved this revision on 6 February 2012, it had the following membership Richard H. Hulett. Chair John kulick. vice chair Robert m. grow. past president Judith gorman, secretary Masayuki ariyoshi Jim hughes Gary robinson William bartley Joseph L. Koepfingerk Jon walter rosdahl Ted Burse David law Sam Sciacca Clint Chap Mike seavey Wael diab Hung ling Curtis siller Jean-Philippe faure Oleg logvinov Phil winston Alexander gelman Ted Olsen Howard wolfman Paul houze Don Wright A Member emeritus Also included are the following nonvoting IEEE-Sa Standards board liaisons Satish K. aggarwal, NRC Representative Richard DeBlasio, DOE Representative Michael. Kelly. MST Representative Michelle d. turner IEEE Standards Program Manager, Document Development Patricia Gordon IEEE Standards Program Managers, Technical Program Development Copyright@ 2012 IEEE. All rights reserved

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