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IEEE 802.11e 5108B032-0< [email protected] >11 [1] [2]

Best Effort QoSQuality of Service22IEEE 802.11e233

IEEE 802.11e

3IEEE 802.11eIEEE 802.11a/bQoSQoSEDCAHCCA

444CSMA/CAACAccess Category

5AC_VOAC_VIAC_BEAC_BK55rbitration IFSTransmission Opportunity

66CWminCWmaxAIFSTXOPAC_VO3723264AC_VI71526016AC_BE15102330AC_BK15102370. 6778

VIDEOAC8

msmsms9TTCJJ-201.0110s 150ms 400ms ITU-T G.1010991010

09s- 384kbps- 3000kbps3Mbps- 10s--- + 128kbps--- +1000kbps --- + 128kbps +1000kbps- default019s- 20s11

VIDEO

AIFS

11111212 +128kbps2 +1000kbps1MbpsR CCAIFS2 1C #

1213 +128kbps +1000kbps13AIFS21400ms150ms131414 +128kbps +1000kbps

150msC

defaultC400msC150msAC_VOdownAIFS2 1C150msC150ms14

AIFS1515/09s- 384kbps- 3000kbps3Mbps- 10s +128kbps +1000kbps

- default 019s- 20s

16

AIFSCWTXOP16

VIDEO

16/1717CWAIFSAIFSTXOP CW CW

171818

CWminCWmaxAIFSTXOPAC_VIdowndefault71526016AC_VIdown631272481281819default19150ms150ms191/22020150msdefaultC400msC150msB150ms150msQoS202/22121

# CW

defaultC400msC150msB150ms150msCwminCWmaxAIFSTXOPAC_VIdowndefault71526016AC_VIdown63127248128CWCW

CW21

222223

-- -- 2309s- 384kbps- 3000kbps3Mbps- 10s +128kbps +1000kbps

- default 019s- 20s

VIDEO

232424

CwminCWmaxAIFSTXOPAC_VOdown3723264AC_VOup3723264AC_VIdown71526016AC_VIup71526016defaultCwminCWmaxAIFSTXOPAC_VOdown3723264AC_VOup1313264AC_VIdown1326016AC_VIup7152120322425default25C150ms400ms252626150msdefault

defaultC400msC150ms150ms400msQoS2627QoSQoSQoS

272828


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