Brocade Mobility Access Point System Reference Guide (Supp Manual do Utilizador descarregar pdf (Página 444)

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802.11ac MCS rates are defined as follows both with and without short guard intervals (SGI):

Select the Fast BSS Transition option to enable 802.11r fast BSS transition support.

Fast BSS (802.11r) is an attempt to undo the burden that security and QoS added to the handoff

process, and restore it back to an original four message exchange process. The central application

for the 802.11r standard is VOIP using mobile phones within wireless Internet networks.

MCS Index Number of Streams 20 MHz

No SGI

20 MHz

With SGI

40 MHz

No SGI

40MHz

With SGI

021314.42730

122628.95460

223943.48190

3 2 52 57.8 108 120

4 2 78 86.7 162 180

5 2 104 115.6 216 240

62117130243270

7 2 130 144.4 270 300

MCS Index Number of Streams 20 MHz

No SGI

20 MHz

With SGI

40 MHz

No SGI

40MHz

With SGI

0 3 19.5 21.7 40.5 45

133943.38190

2 3 58.5 65 121.5 135

3 3 78 86.7 162 180

43117130.7243270

5 3 156 173.3 324 360

6 3 175.5 195 364.5 405

7 3 195 216.7 405 450

MCS Index 20 MHz

No SGI

20 MHz With

SGI

40 MHz

No SGI

40MHz

With SGI

80 MHz

No SGI

80MHz

With SGI

0 6.5 7.2. 13.5 15 29.3 32.5

1 13 14.4 27 30 58.5 65

2 19.5 21.7 40.5 45 87.8 97.5

3 2628.95460117130

4 39 43.3 81 90 175.5 195

5 52 57.8 108 120 234 260

6 58.5 65 121.5 135 263.3 292.5

7 65 72.2 135 150 292.5 325

8 78 86.7 162 180 351 390

9 n/a n/a 180 200 390 433.3

1 2 ... 439 440 441 442 443 444 445 446 447 448 449 ... 853 854

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