实例介绍
【实例简介】
wifi 802.11n 协议标准 Contents 2. Normative references ........................................................................................................................... 1 3. Definitions ...........................................................................................................
EEE Std802.11n"-2009 (Amendment to ieEE Std 802.11-2007 as amended by ieee std 802. 11k-2008 EEE Std80211r-2008, EE Std802.11y-2008, and IEEE Std 802. 11w-2009) EEE 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 Amendment 5: Enhancements for Higher Throughput Sponsor LANIMAN Standards committee of the IEEE Computer Society Approved 11 September 2009 IEEE-SA Standards board Abstract: This amendment defines modifications to both the IEEE 802 1 1 physical layer(PHY)and the IEEE 802 11 medium access control (MAC) sublayer so that modes of operation can be enabled that are capable of much higher throughputs, with a maximum throughput of at least 100 Mb/s, as measured at the Mac data service access point (SAP) Keywords: high throughput, MAC, medium access control, MIMO, MIMO-OFDM, multiple input multiple output, PHY, physical layer, radio, wireless local area network, WLAN The Institute of Electrical and Electronics Engineers, Inc. 3 Park Avenue New york NY 10016-5997 USA Copyright@ 2009 by the Institute of Electrical and Electronics Engineers, Inc All rights reserved. Published 30 October 2009. Printed in the United States of America IEEE is a registered trademark in the U.S. Patent Trademark Office, owned by the Institute of Electrical and Electronics Engineers, Incorporated PDF SBN978-0-7381-60467STD95961 Print:|SBN9780-7381-6047-4 STDPD95961 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 publisher IEEE Standards documents are developed within the ieee Societies and the standards Coordinating Committees of the IEee Standards Association (IEEE-SA) Standards Board. The ieee develops its standards through a consensus development process, approved by the American National Standards Institute, which brings together volunteers representing varied viewpoints and interests to achieve the final product. Volunteers are not necessarily members of the Institute and serve without compensation. While the ieee administers the process and establishes rules to promote fairness in the consensus development process, the ieee does not independently eval of any of the information or the soundness of any judgments contained in its standar uate, test, or verify the accuracy Use of an IEEE Standard is wholly voluntary. The ieee disclaims liability for any personal injury, property or other damage, of any nature whatsoever, whether special, indirect, consequential, or compensatory, directly or indirectly resulting from the publication, use of, or reliance upon this, or any other iEFF Standard document The ieee does not warrant or represent the accuracy or content of the material contained herein, and expressly disclaims any express or implied warranty, including any implied warranty of merchantability or fitness for a specific purpose, or that the use of the material contained herein is free from patent infringement. IEEE Standards docunents are supplied‘ASIS. The existence of an IEEE Standard does not imply that there are no other ways to produce, test, measure, purchase market, or provide other goods and services related to the scope of the ieee Standard. Furthermore, the vi nt expressed at the time a standard is approved and issued is subject to change brought about through developments in the tate of the art and comments received from users of the standard. Every ieee standard is subjected to review at least every five years for revision or reaffirmation, or every ten years for stabilization. When a document is more than five rears old and has not been reaffirmed, or more than ten years old and has not been stabilized, it is reasonable to conclude that its contents, although still of some value, do not wholly reflect the present state of the art. Users are cautioned to check to determine that they have the latest edition of any IEEE Standard In publishing and making this document available, the IEee is not suggesting or rendering professional or othcr services for, or on behalf of, any person or entity. Nor is the IEEE undertaking to perform any duty owed by any other person or entity to another. Any person utilizing this, and any other IEEE Standards document, should rely upon his or her independent judgment in the exercise of reasonable care in any given circumstances or, as appropriate, seek the advice of a competent professional in deternining the appropriateness of a given IEEE standard Interpretations: Occasionally questions may arise regarding the meaning of portions of standards as they relate to specific applications. When the need for interpretations is brought to the attention of IEEE, the Institute will initiate action to prepare appropriate responses. Since IEFF Standards represent a consensus of concerned interests, it important to ensure that any interpretation has also received the concurrence of a balance of interests. For this reason, IEEE and the members of its societies and Standards Coordinating Committees are not able to provide an instant response to interpretation requests except in those cases where the matter has previously received formal consideration A statement, written or oral, that is not processed in accordance with the IEEE-SA Standards Board Operations Manual shall not be considered the official position of ieee or any of its committees and shall not be considered to be, nor be relied upon as, a formal interprctation of the IEEE. At lectures, symposia, seminars, or educational courses, an individual presenting information on IEEE standards shall make it clear that his or her views should be considered the personal views of that individual rather than the formal position, explanation, or interpretation of the IeEe Comments for revision of IEEE Standards are welcome from any interested party, regardless of membership affiliation with IEEE. Suggestions for changes in documents should be in the form of a proposed change of text, together with appropriate supporting comments. Recommendations to change the status of a stabilized standard should include a tonale as to why a revision or withdrawal is required. Comments on standards and requests for interpretations should be submitted to the following address Secretary, IEEE-SA Standards board 445 Hoes lane Piscataway, NJ 08854 USA Authorization to photocopy portions of any individual standard for internal or personal use is granted by The Institute of Electrical and Electronics Engineers, Inc, provided that the appropriate fee is paid to Copyright Clearance Center To arrange for payment of licensing fee, please contact Copyright Clearance Center, Customer Service, 222 Rosewood Drive, Danvers, MA 01923 USA; +1978750 8400 PerImission lo photocopy portions of any individual standard for educational classroom use can also be obtained through the Copyright Clearance Center Introduction This introduction is not part of IEee Std 802. 11n-2009, IEEE Standard for Information technology- Telecommunications and information exchange between systems--Local and metropolitan networks--Specifi requirements-Part 11: Wireless LAN Medium Access Control(MAC) and Physical Layer(PHY) Specifications Amendment 5: Enhancements for Higher Throughput This amendment specifies enhancements to IEEE 802. 11 physical layer(PHY)and medium access control (MAC) sublayer to provide modes of operation with useful data rates substantially higher than those previously available. Significantly higher IEEE 802. 11 wireless local area network(WLAN) throughput is expected to improve user experiences for current applications and to enable new applications and market segments Notice to users Laws and requlations Users of these documents should consult all applicable laws and regulations. Compliance with the provisions of this standard does not imply compliance to any applicable regulatory requirements Implementers of the standard are responsible for observing or referring to the applicable regulatory requirements. iEEE does not, by the publication of its standards, intend to urge action that is not in compliance with applicable laws, and these documents may not be construed as doing so on that is not in Copyrights This document is copyrighted by the Ieee. It is made available for a wide variety of both public and private uses.These include both use, by reference, in laws and regulations, and use in private self-regulation standardization, and the promotion of engineering practices and methods. By making this document available for use and adoption by public authorities and private users, the ieee does not waive any rights in copyright to this document Updating of IEEE documents Users of ieFF standards should be aware that these documents may be superseded at any time by the issuance 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 edition of the document together with any amendments corrigenda or errata then in effect In order to determine whether a given document is the current edition and whether it has been amended through the issuance of amendmentscorrigendaorcrrata,visittheIeeEStandardsAssociationwebsiteathttp:// ieeexplore. ieee. org/xpl/standards. jsp or contact the iEee at the address listed previously. For more information about the IEEE Standards Association or the Ieee standards development process, visittheIeeE-sawebsiteathttp://standards.ieeeorg Errata Errata,ifanyforthisandallotherstandardscanbeaccessedatthefollowingUrl:http:// standards. ieee. org/reading/ieee/updates/errata/index. html. Users are encouraged to check this URL for ta periodically Interpretations CurrentinterpretationscanbeaccessedatthefollowingUrl:http://standards.ieeeorg/reading/ieee/interp/ index html Copyright C 2009 IEEE. All rights reserved Patents Attention is called to the possibility that implementation of this amendment may require use of subject matter covered by patent rights. By publication of this standard, no position is taken 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 that it will grant licenses under these 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. Other Essential Patent Claims may exist for which a statement of assurance has not been received. The Ieee is not 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 are reasonable or non discriminatory. 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 Participants When this amendment was sent to sponsor ballot, the IEEe 802. 11 Working Group had the following officers Bruce P. Kraemer, Chair Jon Walter Rosdahl, Vice Chair; Treasurer; and Chair, Task Group mb Adrian P. Stephens Vice chair Stephen McCann, Secretary and Chair, Publicity standing Committee and Task group u Terry L. Cole, Technical Editor and Assigned Number Authority Teik-Kheong Tan, Chair, Wireless Next Generation Standing Committee David Bagby, Chair, Architecture Standing Committee Bruce p. kraemer Co-Chair IMT-Advanced ad hoc commitee Lee armstrong, Chair, Task Group p Donald E Eastlake Ill, Chair;, Task Group s Neeraj Sharna, Chair, Task group l Dorothy V. Stanley, Chair, Task Group v and IETF Ad hoc Committee Jesse Walker, Chair. cTl Ad hoc committee Peter Ecclesine, Chair, Task group y Menzo Wentink, Chair, Task group z Gancsh Venkatesan, Chair, Task Group aa Eldad Perahia, Chair, Very High Throughput Study group Darwin Enger, Co-Chair. IMT-Advanced ad hoc committee When this amendment was sent to sponsor ballot, Task Group n had the following officers Bruce P Kraemer. chair SI Li. vice chair Garth Hillman and Jon Walter Rosdahl, Secretary Adrian P. Stephens, Technical editor When this amendment was sent to sponsor ballot, the IEeE 802. 1l Working Group had the following members hi Osama S. aboulmagd Malik audch Amit bansal Tomoko adachi Ccrt A, awato John. barr Alok aggarwal David bagb Gal basson Carl Aldana Michael bahr ussa Bava fa Thomas Alexander Fan bai Tuncer Baykas Lee r. Armstrong Gabor Baiko John L. Benko Alex ashley Dennis j. baker Mathilde benveniste Copyright C 2009 IEEE. All rights reserved Biorn A. berke Robert Y huang Chiu ngo Daniel borges David hunter Eero nikula Anthony braskich Yasuhiko inoue RichardH. noens Joseph brennan Akio iso Hideaki odagiri David britz Junghoon Jee Jisung Oh G. Bumiller Hongseok Jeon Chandra s. olson Nancy Cam-Winget Yeonkwon Jeong Youko omor Necati Canpolat Jorjeta G Jetcheva Satoshi oyama Javier cardona Lusheng ji Richard H. Paine Douglas s Chan Daniel Jiang Auld. palanivelu Clint F. Chaplin Padam Afl Changmin Park Carl W. Kain Jungsoo park Minho Cheong Naveen K Kakan Minyoung Park Masato kato Ⅴ ijaykumar Patel Nakjung Douglas Kan Bcminih. peiris Liwen chu Richard H. Kennedy Eldad perahia Terry L. Cole John Kenne James e. petranovich Ryon K. Coleman Stuart 3. Kerry Al Petrick Charles I Joonsuk kin Fahd pirzada Todor Cooklev Kyeongpyo Kim James d. portaro Xavier p Costa Seong S. kim Henry s. Ptasinski David E Cypher Yongsan Kim Rene purnadi Marc de courville Jarkko kneck Chang w. Pyo Rolf J de vegt Mark m. kobayashi Emily H Qi Theodorus denteneer Fumihide Kojima Luke Qian Jeremy de vries Tom Kolze Huyu Qu Susan Dickey Bruccp K Jim e raab Zhiming Ding Johannes P Kruys Ⅴ nuth rai Yoshiharu do Thomas Kuehnel Ali Raissinia John dorsey Thomas m. Kurihara Harish ramamurthy Roger P durand Stephen G rayment Srinivasa duvvuri Edwin kwon Leonid razoumov Donald e. eastlake Zhou lan Ivan ree Peter Ecclesiae jeremy A landt Edward reuss Michael ellis Joseph P. lauer Alex reznik Stephen P. Emeott Tae H. Lee Randal roebuck Marc emmelmann Wooyoung lee Jon walter rosdahl Darwin Engwer Joseph levy Richard roy Joseph epstein Sheung li Alexander safonov Ⅴ inko erceg Paul lin Kazuyuki sakoda Lars p. falk Ilang liu Hemanth sampath Robert fanfcll Michael livshitz Katsuyoshi Sato Stefan fechter Peter Loc Hirokazu sawada Paul h. feinber Daniel lubar Don schultz Matthew Fischer Anthony f. maida Yongho Seok Wayne k. Fisher Jakub majkowski Huairong shao Roberta fracchi Alastair Malarky Neeraj sharma Ryuhei Funda Jouni K. malinen Stephen J Shellhammer Matthew gast Alexander maltsev lan Sherlock James p gilb Bill marshall Kai shi Jeffrey gilbert Roman m. maslennikov Shusaku shimada Reinhard Gloger Sudheer matta Francois simon David goodall Stephen Mc cann Harkirat Singh Tugrul guener Justin p mcnew Graham K. Smith Jianlin g ven mesecke Matt smith Mark hamilton Robert r. miller Yoo-Seung Song C.J. Hanse Michael monte Kapil se Brian d. hart Rajendra T. moorti Vinay Sridhara Amer A ha Hitoshi morioka Dorothy stanle Ⅴ egard hassel Peter Murray Adrian P. Stephens Robert f heile Andrew miles David S Stephenson 〔 undo r. Hertz Rohit nabar Carl R. Stevenson Junling hi John stine Wendong hu Kengo nagata Guenaelt strut Copyright C 2009 IEEE. All rights reserved Chin s Sum Ganesh Venkate Harry R. worstell Eiji Takagi Dalton t.Ⅴ ictor Pengfei xia Mineo takai George A. vlantis Akira yamada Tcik-Khcong Tan Cssc r. walker Takeshi yamamoto Allan thomson unl Wang moya yamaura Jerry thrasher ng Eric okubo Craig d. Warren Su K. Yong Alexander Tolpin Fujio Watanabe Seiji Yoshio Jason trachewsky Patrick Waye Christopher Young Solomon b. trainin Menzo m. wentink Artur zaks Richard D. Van Nee Frank whetten Hongyuan zhang Allert van zelst Kyle williams Huimin zhang MathieuⅤ arlet-Andm James worsham Jing zhi Prabodh varshney Juan Zuniga Contributions to this amendment was received from the following individuals Bill abl ⅵ inko Erceg Patrick labbe Santosh abraham Mustafa roz Joseph lauer Tomoko adachi Stefan fechter Dongjun lee Dmitry akhmetov Paul feinberg Lin-Nan lee Carlos aldana Matthew fischer ee Dave andrus Guido frederiks Sok-kyu Lee Micha anholt Takashi Fukagawa Zhongding lei Tsuguhide Aoki Patrick Fung Joseph levy Yusuke asar Edoardo gallizio Scott leyonhjel Geert awater James gardner Pen li David Ba Devis gatt Sheung Li Raja banerjea David Hedberg Yuan li Kaberi baneriee Garth hillman Kevin liao Amit bansal Jin-Meng ho Isaac lim Gal basson Dale hocevar Alfred lin Anui batra Louise hoo Albert liu John benko Muhammad akram Der-Zheng liu Mathilde benveniste Yasuhiko inoue Michael livshitz Bjorn Bjerke Kaz ishida Yufei Blakenship Takashi ishidoshiro Peter Lojko Daniel borges Lakshmi lyer Hui-Ling Lou Douglas chan Eric Jacobson Adina matache Jerry Chang Yuh-Ren jauh Laurent mazet John Chang Taehyun Jeon William mcfarland Jeng-Hong Chen Jari Jokela Darren mcnamara Stephen Chen VKJones Irina medvedev Yi-Ming Chen Padam Afl Arnaud meylan Pei-ju Chiang Naveen Kakani Morgan mik Francois chin Sriniavs kandala Seungwook min Woon Hau Chin Ateet Kapur Patrick mo 上 mily chou Assaf Kasher Andy molisch Liwen chu Masato kato R. Tushar moorti Keith Chugg John Ketchum Mike moreton Brian Classon Joonsuk K Yuichi morioka Sean Coffey Pansop Kim Markus muck Gabriella convertino Youngsoo Kim Syed Aon mujtaba Marc de courville Guenter Kleindl Andrew myles Rolf de vegt Kiyotaka Kobayashi Rohit nabar Franz dielacher Cenk Kose lhasa Nagai Yoshiharu doi Bruce p Kraemer Kengo Nagata John de Thomas Kuehnel Seigo Nakao douglas Takushi Kunihiro Sanjiv nanda Peter ecclesiae Joe Kwak Chiu n Darwin Engwer Joseph kwak Ajit Nimbalker Leonid epstein Edwin kwon Gunnar Nitsche Copyright C 2009 IEEE. All rights reserved Huaning Niu Erik Schylander Richard van nee Ivan oakes Michael seals Nico van waes Yoshihiro ohtani lual-Rong Shao Allert van zelst Eric Ojard Suman sharma Andres vila casado Takeshi onizawa Steve shellhammer Georgeⅵ lantis Job oostveen Ian Sherlock Timothy Wakeley Fabio osnato Masaaki shida Jesse walker Kafle padam Takashi shono Brad wallace Pratima pai Sebastien Simoens Mark wallace Arul palanivelu Massimiliano siti Rod walton Subra parameswara Doug Smith Qi W Thomas pare Matt smith Xiaowen Wang Jean-Noel Patillon Amjad Deric Waters Wei-Chung Peng Robert stacey Mark Webster Eldad perahia Adrian P. Stephens Menzo Wentink Jim petranovich Richard Wese Krishna madhavan pillai Victor Stolpman Mike Wilhoyte Madhavan pillai Sumei sun Timothy Wong Angelo Poloni Xiantao sun James Woodyatt Neeraj poojary Shravan surineni Henry ptasinski Ilan sutskover Ariton Xhafa Aleksandar Purkovic Eiji Takagi o xia Luke oian Masahiro takas Tomoya Yamaura Ali Raissinia Seiichiro Takahashi Eric Yang Sthanunathan ramakrishnan Daisuke takeda Wen-Chang Yeh Harish Ramamurthy Teik-Kheong Tan Christopher Young Sridhar ramesh Yasuhiro Tanaka Heejung Yu Raffaele riva Stephan ten brink Artur Zaks Jon walter rosdahl Ganesan Thiagarajan Eldad zeira Stephanie Rouquette-Leveil Eric Okubo Hongyuan zha Mike rude Tim Towell Jin Zhang John sadowski Jason trachewsky Ning Zhang Atul salhotra Solomon trainin Quan Zhou Vincenzo scarpa David tung Johnny Zweig Donald schultz Stefano valle Jim syren The following members of the individual balloting committee voted on this amendment. Balloters may have voted for approval, disapproval, or abstention Osama aboulmagd Bill cannon Souray dutta Tomoko adachi Jing Cao Richard eckard Alok Aggarwal Edward Carles Carl Eklund Thomas alexande James Carlo Stephen emeott Richard Alvin Juan Carreon Marc emmelmann Edward Chalf Darwin Engwc Butch Anton Douglas s Chan Joseph epstein Danilo antonelli Kuor-Hsin Chang Robert fanfelle Clint Chaplin Shahin Farahani David Bagby Wei-Peng Chen Shulan Feng Gabor Baiko Yung-Mu Chen Oddgeir Fikstvedt Matthew ball Hong Cheng Matthew fischer Raja banerjea Aik Chindapo Prince francis Vered B Keith Chow Avraham Freedman John barr Liwen Chu Devon gayle Philip beecher Ryon Coleman Michael Geipel Mathilde benveniste Charles cook Theodore Georgantas harry bims Todor Cookie Pieter -Paul giesberts Bjorn Bjerke Helge Coward James gilb Monique brown Joseph decuir Reinhard gloger Russell dietz Mariana goldhamer William byrd Thomas dineen Scrgiu goma Pctcr. calderon John dorsey David goodall Copyright C 2009 IEEE. 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wifi 802.11n 协议标准 Contents 2. Normative references ........................................................................................................................... 1 3. Definitions ...........................................................................................................
EEE Std802.11n"-2009 (Amendment to ieEE Std 802.11-2007 as amended by ieee std 802. 11k-2008 EEE Std80211r-2008, EE Std802.11y-2008, and IEEE Std 802. 11w-2009) EEE 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 Amendment 5: Enhancements for Higher Throughput Sponsor LANIMAN Standards committee of the IEEE Computer Society Approved 11 September 2009 IEEE-SA Standards board Abstract: This amendment defines modifications to both the IEEE 802 1 1 physical layer(PHY)and the IEEE 802 11 medium access control (MAC) sublayer so that modes of operation can be enabled that are capable of much higher throughputs, with a maximum throughput of at least 100 Mb/s, as measured at the Mac data service access point (SAP) Keywords: high throughput, MAC, medium access control, MIMO, MIMO-OFDM, multiple input multiple output, PHY, physical layer, radio, wireless local area network, WLAN The Institute of Electrical and Electronics Engineers, Inc. 3 Park Avenue New york NY 10016-5997 USA Copyright@ 2009 by the Institute of Electrical and Electronics Engineers, Inc All rights reserved. Published 30 October 2009. Printed in the United States of America IEEE is a registered trademark in the U.S. Patent Trademark Office, owned by the Institute of Electrical and Electronics Engineers, Incorporated PDF SBN978-0-7381-60467STD95961 Print:|SBN9780-7381-6047-4 STDPD95961 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 publisher IEEE Standards documents are developed within the ieee Societies and the standards Coordinating Committees of the IEee Standards Association (IEEE-SA) Standards Board. The ieee develops its standards through a consensus development process, approved by the American National Standards Institute, which brings together volunteers representing varied viewpoints and interests to achieve the final product. Volunteers are not necessarily members of the Institute and serve without compensation. While the ieee administers the process and establishes rules to promote fairness in the consensus development process, the ieee does not independently eval of any of the information or the soundness of any judgments contained in its standar uate, test, or verify the accuracy Use of an IEEE Standard is wholly voluntary. The ieee disclaims liability for any personal injury, property or other damage, of any nature whatsoever, whether special, indirect, consequential, or compensatory, directly or indirectly resulting from the publication, use of, or reliance upon this, or any other iEFF Standard document The ieee does not warrant or represent the accuracy or content of the material contained herein, and expressly disclaims any express or implied warranty, including any implied warranty of merchantability or fitness for a specific purpose, or that the use of the material contained herein is free from patent infringement. IEEE Standards docunents are supplied‘ASIS. The existence of an IEEE Standard does not imply that there are no other ways to produce, test, measure, purchase market, or provide other goods and services related to the scope of the ieee Standard. Furthermore, the vi nt expressed at the time a standard is approved and issued is subject to change brought about through developments in the tate of the art and comments received from users of the standard. Every ieee standard is subjected to review at least every five years for revision or reaffirmation, or every ten years for stabilization. When a document is more than five rears old and has not been reaffirmed, or more than ten years old and has not been stabilized, it is reasonable to conclude that its contents, although still of some value, do not wholly reflect the present state of the art. Users are cautioned to check to determine that they have the latest edition of any IEEE Standard In publishing and making this document available, the IEee is not suggesting or rendering professional or othcr services for, or on behalf of, any person or entity. Nor is the IEEE undertaking to perform any duty owed by any other person or entity to another. Any person utilizing this, and any other IEEE Standards document, should rely upon his or her independent judgment in the exercise of reasonable care in any given circumstances or, as appropriate, seek the advice of a competent professional in deternining the appropriateness of a given IEEE standard Interpretations: Occasionally questions may arise regarding the meaning of portions of standards as they relate to specific applications. When the need for interpretations is brought to the attention of IEEE, the Institute will initiate action to prepare appropriate responses. Since IEFF Standards represent a consensus of concerned interests, it important to ensure that any interpretation has also received the concurrence of a balance of interests. For this reason, IEEE and the members of its societies and Standards Coordinating Committees are not able to provide an instant response to interpretation requests except in those cases where the matter has previously received formal consideration A statement, written or oral, that is not processed in accordance with the IEEE-SA Standards Board Operations Manual shall not be considered the official position of ieee or any of its committees and shall not be considered to be, nor be relied upon as, a formal interprctation of the IEEE. At lectures, symposia, seminars, or educational courses, an individual presenting information on IEEE standards shall make it clear that his or her views should be considered the personal views of that individual rather than the formal position, explanation, or interpretation of the IeEe Comments for revision of IEEE Standards are welcome from any interested party, regardless of membership affiliation with IEEE. Suggestions for changes in documents should be in the form of a proposed change of text, together with appropriate supporting comments. Recommendations to change the status of a stabilized standard should include a tonale as to why a revision or withdrawal is required. Comments on standards and requests for interpretations should be submitted to the following address Secretary, IEEE-SA Standards board 445 Hoes lane Piscataway, NJ 08854 USA Authorization to photocopy portions of any individual standard for internal or personal use is granted by The Institute of Electrical and Electronics Engineers, Inc, provided that the appropriate fee is paid to Copyright Clearance Center To arrange for payment of licensing fee, please contact Copyright Clearance Center, Customer Service, 222 Rosewood Drive, Danvers, MA 01923 USA; +1978750 8400 PerImission lo photocopy portions of any individual standard for educational classroom use can also be obtained through the Copyright Clearance Center Introduction This introduction is not part of IEee Std 802. 11n-2009, IEEE Standard for Information technology- Telecommunications and information exchange between systems--Local and metropolitan networks--Specifi requirements-Part 11: Wireless LAN Medium Access Control(MAC) and Physical Layer(PHY) Specifications Amendment 5: Enhancements for Higher Throughput This amendment specifies enhancements to IEEE 802. 11 physical layer(PHY)and medium access control (MAC) sublayer to provide modes of operation with useful data rates substantially higher than those previously available. Significantly higher IEEE 802. 11 wireless local area network(WLAN) throughput is expected to improve user experiences for current applications and to enable new applications and market segments Notice to users Laws and requlations Users of these documents should consult all applicable laws and regulations. Compliance with the provisions of this standard does not imply compliance to any applicable regulatory requirements Implementers of the standard are responsible for observing or referring to the applicable regulatory requirements. iEEE does not, by the publication of its standards, intend to urge action that is not in compliance with applicable laws, and these documents may not be construed as doing so on that is not in Copyrights This document is copyrighted by the Ieee. It is made available for a wide variety of both public and private uses.These include both use, by reference, in laws and regulations, and use in private self-regulation standardization, and the promotion of engineering practices and methods. By making this document available for use and adoption by public authorities and private users, the ieee does not waive any rights in copyright to this document Updating of IEEE documents Users of ieFF standards should be aware that these documents may be superseded at any time by the issuance 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 edition of the document together with any amendments corrigenda or errata then in effect In order to determine whether a given document is the current edition and whether it has been amended through the issuance of amendmentscorrigendaorcrrata,visittheIeeEStandardsAssociationwebsiteathttp:// ieeexplore. ieee. org/xpl/standards. jsp or contact the iEee at the address listed previously. For more information about the IEEE Standards Association or the Ieee standards development process, visittheIeeE-sawebsiteathttp://standards.ieeeorg Errata Errata,ifanyforthisandallotherstandardscanbeaccessedatthefollowingUrl:http:// standards. ieee. org/reading/ieee/updates/errata/index. html. Users are encouraged to check this URL for ta periodically Interpretations CurrentinterpretationscanbeaccessedatthefollowingUrl:http://standards.ieeeorg/reading/ieee/interp/ index html Copyright C 2009 IEEE. All rights reserved Patents Attention is called to the possibility that implementation of this amendment may require use of subject matter covered by patent rights. By publication of this standard, no position is taken 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 that it will grant licenses under these 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. Other Essential Patent Claims may exist for which a statement of assurance has not been received. The Ieee is not 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 are reasonable or non discriminatory. 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 Participants When this amendment was sent to sponsor ballot, the IEEe 802. 11 Working Group had the following officers Bruce P. Kraemer, Chair Jon Walter Rosdahl, Vice Chair; Treasurer; and Chair, Task Group mb Adrian P. Stephens Vice chair Stephen McCann, Secretary and Chair, Publicity standing Committee and Task group u Terry L. Cole, Technical Editor and Assigned Number Authority Teik-Kheong Tan, Chair, Wireless Next Generation Standing Committee David Bagby, Chair, Architecture Standing Committee Bruce p. kraemer Co-Chair IMT-Advanced ad hoc commitee Lee armstrong, Chair, Task Group p Donald E Eastlake Ill, Chair;, Task Group s Neeraj Sharna, Chair, Task group l Dorothy V. Stanley, Chair, Task Group v and IETF Ad hoc Committee Jesse Walker, Chair. cTl Ad hoc committee Peter Ecclesine, Chair, Task group y Menzo Wentink, Chair, Task group z Gancsh Venkatesan, Chair, Task Group aa Eldad Perahia, Chair, Very High Throughput Study group Darwin Enger, Co-Chair. IMT-Advanced ad hoc committee When this amendment was sent to sponsor ballot, Task Group n had the following officers Bruce P Kraemer. chair SI Li. vice chair Garth Hillman and Jon Walter Rosdahl, Secretary Adrian P. Stephens, Technical editor When this amendment was sent to sponsor ballot, the IEeE 802. 1l Working Group had the following members hi Osama S. aboulmagd Malik audch Amit bansal Tomoko adachi Ccrt A, awato John. barr Alok aggarwal David bagb Gal basson Carl Aldana Michael bahr ussa Bava fa Thomas Alexander Fan bai Tuncer Baykas Lee r. Armstrong Gabor Baiko John L. Benko Alex ashley Dennis j. baker Mathilde benveniste Copyright C 2009 IEEE. All rights reserved Biorn A. berke Robert Y huang Chiu ngo Daniel borges David hunter Eero nikula Anthony braskich Yasuhiko inoue RichardH. noens Joseph brennan Akio iso Hideaki odagiri David britz Junghoon Jee Jisung Oh G. Bumiller Hongseok Jeon Chandra s. olson Nancy Cam-Winget Yeonkwon Jeong Youko omor Necati Canpolat Jorjeta G Jetcheva Satoshi oyama Javier cardona Lusheng ji Richard H. Paine Douglas s Chan Daniel Jiang Auld. palanivelu Clint F. Chaplin Padam Afl Changmin Park Carl W. Kain Jungsoo park Minho Cheong Naveen K Kakan Minyoung Park Masato kato Ⅴ ijaykumar Patel Nakjung Douglas Kan Bcminih. peiris Liwen chu Richard H. Kennedy Eldad perahia Terry L. Cole John Kenne James e. petranovich Ryon K. Coleman Stuart 3. Kerry Al Petrick Charles I Joonsuk kin Fahd pirzada Todor Cooklev Kyeongpyo Kim James d. portaro Xavier p Costa Seong S. kim Henry s. Ptasinski David E Cypher Yongsan Kim Rene purnadi Marc de courville Jarkko kneck Chang w. Pyo Rolf J de vegt Mark m. kobayashi Emily H Qi Theodorus denteneer Fumihide Kojima Luke Qian Jeremy de vries Tom Kolze Huyu Qu Susan Dickey Bruccp K Jim e raab Zhiming Ding Johannes P Kruys Ⅴ nuth rai Yoshiharu do Thomas Kuehnel Ali Raissinia John dorsey Thomas m. Kurihara Harish ramamurthy Roger P durand Stephen G rayment Srinivasa duvvuri Edwin kwon Leonid razoumov Donald e. eastlake Zhou lan Ivan ree Peter Ecclesiae jeremy A landt Edward reuss Michael ellis Joseph P. lauer Alex reznik Stephen P. Emeott Tae H. Lee Randal roebuck Marc emmelmann Wooyoung lee Jon walter rosdahl Darwin Engwer Joseph levy Richard roy Joseph epstein Sheung li Alexander safonov Ⅴ inko erceg Paul lin Kazuyuki sakoda Lars p. falk Ilang liu Hemanth sampath Robert fanfcll Michael livshitz Katsuyoshi Sato Stefan fechter Peter Loc Hirokazu sawada Paul h. feinber Daniel lubar Don schultz Matthew Fischer Anthony f. maida Yongho Seok Wayne k. Fisher Jakub majkowski Huairong shao Roberta fracchi Alastair Malarky Neeraj sharma Ryuhei Funda Jouni K. malinen Stephen J Shellhammer Matthew gast Alexander maltsev lan Sherlock James p gilb Bill marshall Kai shi Jeffrey gilbert Roman m. maslennikov Shusaku shimada Reinhard Gloger Sudheer matta Francois simon David goodall Stephen Mc cann Harkirat Singh Tugrul guener Justin p mcnew Graham K. Smith Jianlin g ven mesecke Matt smith Mark hamilton Robert r. miller Yoo-Seung Song C.J. Hanse Michael monte Kapil se Brian d. hart Rajendra T. moorti Vinay Sridhara Amer A ha Hitoshi morioka Dorothy stanle Ⅴ egard hassel Peter Murray Adrian P. Stephens Robert f heile Andrew miles David S Stephenson 〔 undo r. Hertz Rohit nabar Carl R. Stevenson Junling hi John stine Wendong hu Kengo nagata Guenaelt strut Copyright C 2009 IEEE. All rights reserved Chin s Sum Ganesh Venkate Harry R. worstell Eiji Takagi Dalton t.Ⅴ ictor Pengfei xia Mineo takai George A. vlantis Akira yamada Tcik-Khcong Tan Cssc r. walker Takeshi yamamoto Allan thomson unl Wang moya yamaura Jerry thrasher ng Eric okubo Craig d. Warren Su K. Yong Alexander Tolpin Fujio Watanabe Seiji Yoshio Jason trachewsky Patrick Waye Christopher Young Solomon b. trainin Menzo m. wentink Artur zaks Richard D. Van Nee Frank whetten Hongyuan zhang Allert van zelst Kyle williams Huimin zhang MathieuⅤ arlet-Andm James worsham Jing zhi Prabodh varshney Juan Zuniga Contributions to this amendment was received from the following individuals Bill abl ⅵ inko Erceg Patrick labbe Santosh abraham Mustafa roz Joseph lauer Tomoko adachi Stefan fechter Dongjun lee Dmitry akhmetov Paul feinberg Lin-Nan lee Carlos aldana Matthew fischer ee Dave andrus Guido frederiks Sok-kyu Lee Micha anholt Takashi Fukagawa Zhongding lei Tsuguhide Aoki Patrick Fung Joseph levy Yusuke asar Edoardo gallizio Scott leyonhjel Geert awater James gardner Pen li David Ba Devis gatt Sheung Li Raja banerjea David Hedberg Yuan li Kaberi baneriee Garth hillman Kevin liao Amit bansal Jin-Meng ho Isaac lim Gal basson Dale hocevar Alfred lin Anui batra Louise hoo Albert liu John benko Muhammad akram Der-Zheng liu Mathilde benveniste Yasuhiko inoue Michael livshitz Bjorn Bjerke Kaz ishida Yufei Blakenship Takashi ishidoshiro Peter Lojko Daniel borges Lakshmi lyer Hui-Ling Lou Douglas chan Eric Jacobson Adina matache Jerry Chang Yuh-Ren jauh Laurent mazet John Chang Taehyun Jeon William mcfarland Jeng-Hong Chen Jari Jokela Darren mcnamara Stephen Chen VKJones Irina medvedev Yi-Ming Chen Padam Afl Arnaud meylan Pei-ju Chiang Naveen Kakani Morgan mik Francois chin Sriniavs kandala Seungwook min Woon Hau Chin Ateet Kapur Patrick mo 上 mily chou Assaf Kasher Andy molisch Liwen chu Masato kato R. Tushar moorti Keith Chugg John Ketchum Mike moreton Brian Classon Joonsuk K Yuichi morioka Sean Coffey Pansop Kim Markus muck Gabriella convertino Youngsoo Kim Syed Aon mujtaba Marc de courville Guenter Kleindl Andrew myles Rolf de vegt Kiyotaka Kobayashi Rohit nabar Franz dielacher Cenk Kose lhasa Nagai Yoshiharu doi Bruce p Kraemer Kengo Nagata John de Thomas Kuehnel Seigo Nakao douglas Takushi Kunihiro Sanjiv nanda Peter ecclesiae Joe Kwak Chiu n Darwin Engwer Joseph kwak Ajit Nimbalker Leonid epstein Edwin kwon Gunnar Nitsche Copyright C 2009 IEEE. All rights reserved Huaning Niu Erik Schylander Richard van nee Ivan oakes Michael seals Nico van waes Yoshihiro ohtani lual-Rong Shao Allert van zelst Eric Ojard Suman sharma Andres vila casado Takeshi onizawa Steve shellhammer Georgeⅵ lantis Job oostveen Ian Sherlock Timothy Wakeley Fabio osnato Masaaki shida Jesse walker Kafle padam Takashi shono Brad wallace Pratima pai Sebastien Simoens Mark wallace Arul palanivelu Massimiliano siti Rod walton Subra parameswara Doug Smith Qi W Thomas pare Matt smith Xiaowen Wang Jean-Noel Patillon Amjad Deric Waters Wei-Chung Peng Robert stacey Mark Webster Eldad perahia Adrian P. Stephens Menzo Wentink Jim petranovich Richard Wese Krishna madhavan pillai Victor Stolpman Mike Wilhoyte Madhavan pillai Sumei sun Timothy Wong Angelo Poloni Xiantao sun James Woodyatt Neeraj poojary Shravan surineni Henry ptasinski Ilan sutskover Ariton Xhafa Aleksandar Purkovic Eiji Takagi o xia Luke oian Masahiro takas Tomoya Yamaura Ali Raissinia Seiichiro Takahashi Eric Yang Sthanunathan ramakrishnan Daisuke takeda Wen-Chang Yeh Harish Ramamurthy Teik-Kheong Tan Christopher Young Sridhar ramesh Yasuhiro Tanaka Heejung Yu Raffaele riva Stephan ten brink Artur Zaks Jon walter rosdahl Ganesan Thiagarajan Eldad zeira Stephanie Rouquette-Leveil Eric Okubo Hongyuan zha Mike rude Tim Towell Jin Zhang John sadowski Jason trachewsky Ning Zhang Atul salhotra Solomon trainin Quan Zhou Vincenzo scarpa David tung Johnny Zweig Donald schultz Stefano valle Jim syren The following members of the individual balloting committee voted on this amendment. Balloters may have voted for approval, disapproval, or abstention Osama aboulmagd Bill cannon Souray dutta Tomoko adachi Jing Cao Richard eckard Alok Aggarwal Edward Carles Carl Eklund Thomas alexande James Carlo Stephen emeott Richard Alvin Juan Carreon Marc emmelmann Edward Chalf Darwin Engwc Butch Anton Douglas s Chan Joseph epstein Danilo antonelli Kuor-Hsin Chang Robert fanfelle Clint Chaplin Shahin Farahani David Bagby Wei-Peng Chen Shulan Feng Gabor Baiko Yung-Mu Chen Oddgeir Fikstvedt Matthew ball Hong Cheng Matthew fischer Raja banerjea Aik Chindapo Prince francis Vered B Keith Chow Avraham Freedman John barr Liwen Chu Devon gayle Philip beecher Ryon Coleman Michael Geipel Mathilde benveniste Charles cook Theodore Georgantas harry bims Todor Cookie Pieter -Paul giesberts Bjorn Bjerke Helge Coward James gilb Monique brown Joseph decuir Reinhard gloger Russell dietz Mariana goldhamer William byrd Thomas dineen Scrgiu goma Pctcr. calderon John dorsey David goodall Copyright C 2009 IEEE. 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