2.3 Ieee 802.11Ac - Siemens SIMATIC NET Reference Manual

Data transmission speed

2.3 IEEE 802.11ac

MCS index
(1) High Throughput data field
(2) Modulation and Coding Scheme index
Guard Interval
(3)
All transmission types support the automatic fallback function.
2.3 IEEE 802.11ac
The following table shows the data transmission speeds with 802.11ac.
VHT
MCS in‐
dex
10
HT Spatial
(1)
streams
(2)
9 2
10 2
11 2
12 2
13 2
14 2
15 2
16 3
17 3
18 3
19 3
20 3
21 3
22 3
23 3
24 4
25 4
26 4
27 4
28 4
29 4
30 4
31 4
Spa‐
(1)
tial
20 MHz channel
strea
(2)
Guard interval
ms
800 ns
0 1 6,5
1 1 13,0
2 1 19,5
Transmission speed in Mbps
20 MHz channel
800 ns GI 400 ns GI
(3)
26,0 28,9
39,0 43,3
52,0 57,8
78,0 86,7
104,0 115,6
117,0 130,0
130,0 144,4
19,5 21,7
39,0 43,3
58,5 65,0
78,0 86,7
117,0 130,7
156,0 173,3
175,5 195,0
195,0 216,7
26,0 28,9
52,0 57,8
78,0 86,7
104,0 115,6
156,0 173,3
208,0 231,1
234,0 260,0
260,0 288,9
Transmission speed in Mbps
40 MHz channel
Guard interval
400 ns 800 ns 400 ns
7,2 13,5 15,0
14,4 27,0 30,0
21,7 40,5 45,0
Reference Manual, 04/2021, C79000-G8976-C620-01
40 MHz channel
800 ns GI 400 ns GI
(3) (3)
54,0
81,0
108,0
162,0
216,0
243,0
270,0
40,5
81,0
121,5
162,0
243,0
324,0
364,5
405,0
54,0
108,0
162,0
216,0
324,0
432,0
486,0
540,0
80 MHz channel 160 MHz channel
Guard interval Guard interval
800 ns 400 ns 800 ns
29,3 32,5 58,5
58,5 65,0 117
87,8 97,5 175,5
Performance data SCALANCE W700 802.11ax
(3)
60,0
90,0
120,0
180,0
240,0
270,0
300,0
45,0
90,0
135,0
180,0
270,0
360,0
405,0
450,0
60,0
120,0
180,0
240,0
360,0
480,0
540,0
600,0
400 ns
65
130
195