Unlicensed wireless


Within each country, Telecom companies pay a state fee for the licensed channels, whereas the use of unlicensed wireless is free to use

ISM bands defined by the ITU Radio regulation

Frequency low Frequency high Unit Bandwidth Availability Application
6765 6795 KHz 30
40.66 40.7 MHz 0.04
433.05 434.79 MHz 1.74 Region 1
902 928 MHz 26 Region 2 UNB / Sigfox
LoRa
Z-Wave / Sigma Designs
Weightless-N / Nwave
2400 2500 MHz 100 Bluetooth 802.15.1
WiFi 802.11b/g
ZigBee 802.15.4
5725 5875 MHz 150 WiFi 802.11a/n/ac
LAA
24 24.25 GHz 0.25

ISM
Industrial, Scientific and Medical radio bands
ITU
International Telecommunication UnionĀ“s (ITU)
Region 1
EMEA, Persian Gulf, Russia and Mongolia
Region 2
America, Greenland and eastern Pacific Islands
Region 3
Asia, Oceania

ETSI bands for Short Range Devices

Frequency low Frequency high Unit Bandwidth Max power Application
26.957 27.283 MHz 0.33
40.66 40.70 MHz 0.04
433.05 434.79 MHz 1.74
863 870 MHz 7
868 868.6 MHz 0.6 25 mW UNB / Sigfox
Z-Wave / Sigma Designs
Weightless-N / Nwave

ETSI
European Telecommunications Standards Institute
LTN
Low Throughput Networks (GS LTN 003)
SRD
Short Range Devices (EN 300 220)
UNB
Ultra Narrow Band

U-NII bands defined by the FCC regulation

Name Frequency low Frequency high Unit Bandwidth Max power Application
U-NII-1 5150 5250 MHz 100 50 mW WiFi 802.11a/n/ac
LTE-U
U-NII-2 5250 5350 MHz 100 250 mW
U-NII-2e 5470 5725 MHz 255
U-NII-3 5725 5825 MHz 100 1 W WiFi 802.11a/n/ac
LTE-U

FCC
Federal Communications Commission
U-NII
Unlicensed National Information Infrastructure

LTE deployment in unlicensed spectrum

LTE-U
LTE Unlicensed using CSAT access
LAA
License Assisted Access, defined by 3GPP, using Listen Before Talk (LBT) technique
LWA
LTE - WiFi Link Aggregation
MulteFire
LTE-based technology for small cells operating solely in unlicensed spectrum
SDL
Supplemental Downlink
CSAT
Carrier Sensing Adaptive Transmission
LBT
Listen Before Talk

Example : LTE Band + Wi-Fi aggregation PCell 10 MHz + SCell unlicensed 20MHz Frequency DL UL Wi-Fi : SDL

WiFi channel frequency

List of WLAN (Wireless Local Area Network) channels using IEEE 802.11 protocols

802.11 b/g/n (2.4 GHz band)

Channel Frequency (MHz)
F - 10 Center F + 10 Area
1 2402 2412 2422
2 2407 2417 2427
3 2412 2422 2432
4 2417 2427 2437
5 2422 2432 2442
6 2427 2437 2447
7 2432 2442 2452
8 2437 2447 2457
9 2442 2452 2462
10 2447 2457 2467
11 2452 2462 2472
12 2457 2467 2477
13 2462 2472 2482
14 2474 2484 2494 Japan

Transmission can be on a 22MHz (802.11b), 20MHz (802.11g/n), or 40MHz (802.11n) wide channel

802.11 a/n (5 GHz band)

Channel Frequency (MHz)
F - 10 Center F + 10 Area
36 5170 5180 5190
40 5190 5200 5210
44 5210 5220 5230
48 5230 5240 5250
52 5250 5260 5270
56 5270 5280 5290
60 5290 5300 5310
64 5310 5320 5330
100 5490 5500 5510
104 5510 5520 5530
108 5530 5540 5550
112 5550 5560 5570
116 5570 5580 5590
120 5590 5600 5610
124 5610 5620 5630
128 5630 5640 5650
132 5650 5660 5670
136 5670 5680 5690
140 5690 5700 5710
144 5710 5720 5730
149 5735 5745 5755
153 5755 5765 5775
157 5775 5785 5795
161 5795 5805 5815
165 5815 5825 5835

Transmission can be on a 20 or 40MHz (802.11a/n), or 80 MHz (802.11ac) wide channel

Modulation and Coding Scheme (MCS) data rates


802.11ac
HT MCS
index
Modulation Coding
rate
Spatial
streams
Data rate (Mbit/s) VHT MCS
index
20 MHz channel 40 MHz channel 80 MHz channel 160 MHz channel
800 ns GI 400 ns GI 800 ns GI 400 ns GI 800 ns GI 400 ns GI 800 ns GI 400 ns GI
0 BPSK 1/2 1 6.5 7.2 13.5 15 29.3 32.5 58.5 65 0
1 QPSK 1/2 1 13 14.4 27 30 58.5 65 117 130 1
2 QPSK 3/4 1 19.5 21.7 40.5 45 87.8 97.5 175.5 195 2
3 16-QAM 1/2 1 26 28.9 54 60 117 130 234 260 3
4 16-QAM 3/4 1 39 43.3 81 90 175.5 195 351 390 4
5 64-QAM 2/3 1 52 57.8 108 120 234 260 468 520 5
6 64-QAM 3/4 1 58.5 65 121.5 135 263.3 292.5 526.5 585 6
7 64-QAM 5/6 1 65 72.2 135 150 292.5 325 585 650 7
256-QAM 3/4 1 78 86.7 162 180 351 390 702 780 8
256-QAM 5/6 1 180 200 390 433.3 780 866.7 9
8 BPSK 1/2 2 13 14.4 27 30 58.5 65 117 130 0
9 QPSK 1/2 2 26 28.9 54 60 117 130 234 260 1
10 QPSK 3/4 2 39 43.3 81 90 175.5 195 351 390 2
11 16-QAM 1/2 2 52 57.8 108 120 234 260 468 520 3
12 16-QAM 3/4 2 78 86.7 162 180 351 390 702 780 4
13 64-QAM 2/3 2 104 115.6 216 240 468 520 936 1040 5
14 64-QAM 3/4 2 117 130 243 270 526.5 585 1053 1170 6
15 64-QAM 5/6 2 130 144.4 270 300 585 650 1170 1300 7
256-QAM 3/4 2 156 173.3 324 360 702 780 1404 1560 8
256-QAM 5/6 2 360 400 780 866.7 1560 1733.3 9
16 BPSK 1/2 3 19.5 21.7 40.5 45 87.8 97.5 175.5 195 0
17 QPSK 1/2 3 39 43.3 81 90 175.5 195 351 390 1
18 QPSK 3/4 3 58.5 65 121.5 135 263.3 292.5 526.5 585 2
19 16-QAM 1/2 3 78 86.7 162 180 351 390 702 780 3
20 16-QAM 3/4 3 117 130 243 270 526.5 585 1053 1170 4
21 64-QAM 2/3 3 156 173.3 324 360 702 780 1404 1560 5
22 64-QAM 3/4 3 175.5 195 364.5 405 1579.5 1755 6
23 64-QAM 5/6 3 195 216.7 405 450 877.5 975 1755 1950 7
256-QAM 3/4 3 234 260 486 540 1053 1170 2106 2340 8
256-QAM 5/6 3 260 288.9 540 600 1170 1300 9
24 BPSK 1/2 4 26 28.9 54 60 117 130 234 260 0
25 QPSK 1/2 4 52 57.8 108 120 234 260 468 520 1
26 QPSK 3/4 4 78 86.7 162 180 351 390 702 780 2
27 16-QAM 1/2 4 104 115.6 216 240 468 520 936 1040 3
28 16-QAM 3/4 4 156 173.3 324 360 702 780 1404 1560 4
29 64-QAM 2/3 4 208 231.1 432 480 936 1040 1872 2080 5
30 64-QAM 3/4 4 234 260 486 540 1053 1170 2106 2340 6
31 64-QAM 5/6 4 260 288.9 540 600 1170 1300 2340 2600 7
256-QAM 3/4 4 312 346.7 648 720 1404 1560 2808 3120 8
256-QAM 5/6 4 720 800 1560 1733.3 3120 3466.7 9

HT
High Throughput
GI
Guard Interval
VHT
Very High Throughput