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(1)QoS Issues and Enhancements for IEEE 802.11 Wireless LAN Qiang Ni, Lamia Romdhani, Thierry Turletti, Imad Aad. To cite this version: Qiang Ni, Lamia Romdhani, Thierry Turletti, Imad Aad. QoS Issues and Enhancements for IEEE 802.11 Wireless LAN. [Research Report] RR-4612, INRIA. 2002. �inria-00071973�. HAL Id: inria-00071973 https://hal.inria.fr/inria-00071973 Submitted on 23 May 2006. HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers.. L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignement et de recherche français ou étrangers, des laboratoires publics ou privés..

(2) INSTITUT NATIONAL DE RECHERCHE EN INFORMATIQUE ET EN AUTOMATIQUE. QoS Issues and Enhancements for IEEE 802.11 Wireless LAN Qiang Ni, Lamia Romdhani, Thierry Turletti, and Imad Aad. N° 4612 November 2002. ISSN 0249-6399. ISRN INRIA/RR--4612--FR+ENG. THÈME 1. apport de recherche.

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(84) ´ 802.11 Publicity SC. 802.18 TAG Radio-Regulatory. 802.19 TAG Coexistence. MAC Layer. 802.11e/TGe MAC Enhancement-QoS. 802.11 MAC. 802.11f/TGf Inter-Access Point Protocol 802.11/RRM SG Radio Resource Measurements. 802.11 /HTSG High Throughput 802.11i/TGi Enhanced Security Mechanisms. .  

(85)   . PHY Layer. Infra-Red(IR). 802.11 IR 1/2 Mbps. 2.4GHz(FHSS) Frequency Hopping Spread Spectrum. 802.11 FHSS 1/2 Mbps. 2.4GHz(DHSS) Direct Sequence Spread Spectrum. 802.11 DSSS 1/2 Mbps. 5GHz(OFDM) Orthogonal Frequency Division Multiplexing. 802.11 b/TGb High Data Rate Extension 5.5/11 Mbps. 802.11d/TGd Regulatory Domain Update Wireless Next Generation SC Globalization & Harmonization. !#"$. 802.11 a/TGa High Data Rate Extension 6/12/24 Mbps Optional 9/18/36/54 Mbps. 802.11 b-cor1/ TGb-cor1 Corrigendum MIB 802.11g/TGg Date Rates>20Mbps 802.11 h/TGh Spectrum Managed 802.11a. 

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(103) †„jV¥¸ji|`|/j †·svg†$y`dgjÀ‘2s ‡/«}v»Äƒ„|/}‡ j r/rK¡§r r`yXsv|`y/j †O¹Pr/j jÉÔ¡¢–“u„|/j#´¦Pƒ0j ‡i¡¼Ø2‡tsv¢¢z¹Œy`dgj"r`yXsvy`¡§} k‡ } hƃ„u„y/j rÈs‚|Xsvg†„} hˆy`¡¢hkje¡¢Œy/ji|`“sv22svhkj † ,.-+/1032546487%9;:<>=“¹ u„„¡¼¥×} |`hÆ¢zÁ†#¡§r/y`|`¡¢‘„u„y/j †6‘0jiyC³Zj jixÓtji|/}Æsvg†Áy`dgj‚‡iu„|`|/jiPy‚ÕÈ} Œy/jiPy`¡§} GÑÒ¡¢g†„}t³r`¡¢ÓtjƨÍÕZѪV3¹ , -+/1032?46487@9;:<>=BA j JMLP<Q:DSRTJUL RVJMLP<W-&XGsvgW† YZ[29 7 9;:<>=‚†„jiƒNjig†„rÉ} Áy`dgj{Aâ @ €stzji|ey£zƒ0j“´ cedgj C -8D EGF H+IKJMLON͹³Édgji|/M ‘2s ‡X«}v»y`¡¢hkji|(¡§r(†„j ‡i|/jts r/j †½} „¢zÁ³Édgji½y`dgjKhkj †#¡¢u„h ¡§r"¡§†#§j“¹ ³Édgji|/jts r(¡¢y¡§r¥=|/} ÓtjiA³Édgji½svg} y`dgji|r`yXsvy`¡§} a¡§r y`|Xsvgr`hÆ¡¢y`y`¡¢„–g´ÇÎÇs ‡/dÁy`¡¢hkj"y`dgjhkj †#¡¢u„h²‘Nj ‡ } hkj rÇ¡§†#§j“¹Œy`dgjr`yXsvy`¡§} m³Èsv¡¢y/rZ¥×} |ZsKº°±Ô ¦ksvg†ky`dgjim‡ } Py`¡¢Œug} ugr`¢z †„j ‡i|/jihkjiPy/r"y`dgj‚‘2s ‡/«}v»¶y`¡¢hkji|t´łrÈrX}P} Gs rÈy`dgj‚‘2s ‡/«}v»¶y`¡¢hkji|"jVwƒ„¡¢|/j rt¹y`dgjRr`yXsvy`¡§} 6¡§rÉsvu„y`dg} |`¡¢Ótj †xy/}Æs ‡ ‡ j r/r y`dgj;hkj †#¡¢u„hG´ (‘PP¡§} ugr`¢z¹sÁ‡ } ¢¢¡§r`¡§} }‡ ‡iu„|/r¡¼¥Zy£³È}G} |Rhk} |/jÆr`yXsvy`¡§} grKr/yXsv|`yRy`|Xsvgr`hÆ¡§r/r`¡§} $r`¡¢h

(104) u„¢yXsvgj } ugr`¢z´ Q(„¢¡¢«jk³É¡¢|/j †gjiy£³Z} |`«#rx¨¸j“´ –g´aÕɦµAÅRٓÕȺKªV¹E¡¢©sG³É¡¢|/ji§j r/rjiŒ¡¢|/} „hkjiŒyƇ } ¢¢¡§r`¡§} ©†„jiy/j ‡iy`¡§} Ë¡§rK¡¢hƃN}“r/r`¡¢‘„§j †#ugjay/}Êy`dgjar`¡¢–“„¡¼Ø2‡tsvPyÁ†#¡¼»Oji|/jig‡ jG‘Njiy£³Èj ji¤y`|Xsvgr/hÆ¡¢y`y/j †Òsvg†¬|/j ‡ ji¡¢j †¤ƒN}t³Zji|m§jiji§rt´4â(jig‡ j“¹És$ƒ0}“r`¡¢y`¡¢j s ‡X«Pg}]³É§j †#–jihkjiŒyÇ¡§ršugr/j †

(105) y/}g} y`¡¼¥¸zRy`dgjer/jig†„ji|y`d2svyšy`dgjZy`|Xsvgr`hÆ¡¢y`y/j †

(106) ¥=|XsvhkjZd2s r‘0j jir`ug‡ ‡ j r/r ¥¸u„¢¢zK|/j ‡ ji¡¢j †O¹ r/j jÁÔ¡¢–“u„|/jx#´ÊcedgjÀy`|Xsvgr`hÆ¡§rXr`¡§} ¬}v¥y`dgjÁs ‡X«Pg}]³É§j †#–jihkjiŒym¡§r

(107) ¡¢„¡¢y`¡€svy/j †ÄsvyÆsay`¡¢hkjm¡¢Py/ji|` sv"j ÖPu2svÈy/}Ay`dgj ¦Pdg} |`y"°CŒy/ji|/Ԅ|Xsvhkj¦Pƒ2s ‡ jk¨Í¦°CÔ¦„ªesU¥¸y/ji|Èy`dgjjig†x}v¥y`dgj(|/j ‡ jiƒ„y`¡§} A}v¥šy`dgj‚ƒ„|/jiP¡§} ugrÉ¥=|Xsvhkj“´Ç¦P¡¢g‡ jy`dgjK¦°±Ô ¦À¡§r r`hÀsv¢§ji|Ry`d2sv¶y`dgj;º°CÔ¦0¹ y`dgj|/j ‡ ji¡¢P¡¢„–Gr`yXsvy`¡§} Ê†„}j r‚g} y‚gj j †¶y/}6r/jigrXjy`dgjhkj †#¡¢u„h‘NjV¥¸} |/j

(108) y`|Xsvgr`hÆ¡¢y`y`¡¢„– sv6s ‡/«g}t³É§j †#–jihkjiŒyt´È°£¥0y`dgjs ‡X«Pg}]³É§j †#–jihkjiŒyÉ¡§rǁg} yÇ|/j ‡ ji¡¢j †O¹Py`dgjr/jig†„ji|Zs rXr`u„hkj ry`d2svyZy`dgj"y`|Xsvgr`hÆ¡¢y`y/j † ¥¸|XsvhkjƳÈs r§}“r`ysvg†Êr/‡Xdgj †#u„§j rsÁ|/jiy`|Xsvgr`hÆ¡§rXr`¡§} ©svg†¶y`dgjijiPy/ji|/rKy`dgjƑ2s ‡X«}v»·ƒ„|/}‡ j r/rsv–Œsv¡¢E´Àc^}x|/j †#ug‡ j y`dgjÀƒ„|/} ‘2sv‘„¡¢¢¡¢y£z}v¥"‡ } ¢¢¡§r`¡§} grt¹ sU¥¸y/ji|jts ‡/dËu„gr`ug‡ ‡ j r/r`¥=u„y`|Xsvgr/hÆ¡§r/r`¡§} Ësvy`y/jihƃ„yt¹y`dgjm‡ } Œy/jiŒy`¡§} ·³É¡¢g†„}]³²¡§r †„} u„‘„§j †Ëu„Œy`¡¢Ésxƒ„|/j †„jVØggj †©hÀsUw#¡¢hu„h  sv¢ugj6ÕZÑÊhÀsUw¡§rK|/jts ‡Xdgj †O´Acš}G¡¢hƃ„|/}]jmy`dgjm‡/d2sv„gjieu„y`¡¢¢¡¢Ó]svy`¡§} E¹ sU¥¸y/ji|‚jts ‡XdÊr`ug‡ ‡ j r/r ¥¸u„šy`|Xsvgr/hÆ¡§r/r`¡§} E¹0y`dgj

(109) ‡ } Py/jiŒy`¡§} $³É¡¢g†„}]³8¡§r(|/j rXjiy(y/}6sÆ؄w„j †AhÆ¡¢„¡¢hu„h“sv¢ugj;ÕZÑÊhÆ¡¢E´ cedgj

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(111) Ž‚WÅ T¹sr`yXsvy`¡§} 6‡tsvÁ«Pg}]³¤³Édgji y`dgjK‡iu„|`|/jiPyy`|Xsvgr`hÆ¡§rXr`¡§} ajig†„rsvg†G‡Xd2sv„gji^¡§rÉ¡§†#§j“´ °C©} |/†„ji|y/}½r/} ¢jky`dgjmr/}vã‡tsv¢§j †d„¡§†„†„ji·y/ji|`hÆ¡¢2svȃ„|/} ‘„§jihG¹svË} ƒ„y`¡§} 2sveoÌc¦„Ù“ÕÈc¦Ò¨¸oj ÖPugj r`y/c^}Œ¦jig† svg†$ÕZ§jtsv|/c^}Œ¦jig†2ªRr/‡/dgjihkj;¡§r‚¡¢Œy`|/}†#ug‡ j †O¹Er/j j;Ô¡¢–“u„|/jƔ#´Rcedgjy`|Xsvgr`hÆ¡¢y`y/ji|Rr/jig†„rKsÀr/dg} |`yoÌc¦G¥¸|Xsvhkj6¨×“’ }‡iy/jiy/r+ªš‘NjV¥¸} |/jÉjts ‡Xdk†gsvyXs‚¥=|Xsvhkjey`|Xsvgr/hÆ¡§r/r`¡§} E´ÌŽ(} y/jey`d2svyÇs‡ } ¢¢¡§r/¡§} k}v¥ y`dgj"r`dg} |`y oÌc¦¥¸|Xsvhkj r ¡§ŗj r/rr/jiji|/j svg†;ƒ„|/} ‘2sv‘„§jÉy`d2svÀs‡ } ¢¢¡§r/¡§} k}v¥N†gsvyXs(¥¸|Xsvhkj r"¨=u„ƒÆy/}K“”vŠŒ‹}P‡iy/jiy/rVªV´cedgje|/j ‡ ji¡¢ji|Ç|/jiƒ„¢¡§j r ³É¡¢y`dÀsRÕÈc¦

(112) ¥=|Xsvhkj ¡¼¥Ì¡¢yÉ¡§rÉ|/jts †#z6y/};|/j ‡ ji¡¢jsvg†xy`dgjR‡Xd2sv„gji^¡§rÉ|/j r/ji|`j †x¥¸} |Éy`dgjR†#u„|Xsvy`¡§} ½}v¥ƒ2s ‡X«jiy"y`|Xsvgr`hÆ¡§r/r`¡§} E´ѤdgjiGy`dgj VWVYXZ[ \^]`_.

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(114) #5 6  3  S 0 : 0. /r } u„|/‡ j|/j ‡ ji¡¢j rÇy`dgj‚ÕÈc¦0¹¡¢yÇr`yXsv|`y/rÇy`|Xsvgr`hÆ¡¢y`y`¡¢„–¡¢y/rÌ¥=|Xsvhkj“¹P‘Nji¡¢„–r`u„|/jÉy`d2svyZy`dgj"‡/d2sv„gji0d2s r‘Nj jik|/j r/ji|`j † ¥×} |É¡¢y"†#u„|`¡¢„–Æy`dgjRjiŒy`¡¢|/j¥¸|Xsvhkjy`|Xsvgr`hÆ¡§r/r/¡§} G†#u„|Xsvy`¡§} E´ÇÅ(¢N} y`dgji|(r`yXsvy`¡§} grÉ¡¢6y`dgj NÉs r`¡§‡¦ji|`P¡§‡ j¦jiy¨ N"¦„¦„ª u„ƒN†gsvy/jKy`dgji¡¢|Ž(jiyC³Z} |`«aÅ(¢§}‡tsvy`¡§}  Tj ‡iy/} |/r;¨¸Ž(ÅWTr+ªÈ³Édgjigjiji|‚y`dgjizxdgjtsv|‚sÀoc¦0¹0smÕÈc¦G} |‚sƆgsvyXsÆ¥=|Xsvhkj“´ cedgj(}tji|`dgjts †Á}v¥OrXjig†#¡¢„–

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