What is IOT?
- The internet of things, also called The Internet of Objects, refers to a wireless network between objects.
- By embedding short-range mobile transceivers into a wide array of additional gadgets and everyday items, enabling new forms of communication between people and things, and between things themselves.
IOT Technologies Wireless standards
Wifi (WLAN, IEEE 802.11 a/b/g/n
Bluetooth (IEEE 802.15.1)
Zigbee (IEEE 802.15.4)
Wimax (IEEE 802.16)
Wifi 5 (IEEE 802.11ac)
Wifi 6 (IEEE 802.11ax)
WiGig (IEEE 802.11ad)
WiGig 2 (IEEE 802.11ay)
Modern wireless communication comparison
| Parameters | NFC | RFID | Bluetooth | Zigbee | Wi-fi | Wimax |
|---|---|---|---|---|---|---|
| Network | PAN | PAN | PAN | LAN | LAN | MAN |
| Power | Very Low | Very Low | Low | Very Low | Low-High | High |
| Speed | 400 Kbps | 400 Kbps | 700 Kbps | 250 Kbps | 11-100 Mbps | 11-100 Mbps |
| Range | <10 cm | <3 m | <30 m | 10-300 m | 4-20 m | 50 Km |
| Application | Pay, get access, share | tracking | Network for data exchange, headset | Sensor networks, building and industrial automation | Internet, Multimedia | Metro area broadband internet connectivity |
| Cost adder | Low | Low | Low | Medium | Medium | High |
Future wireless communication comparison
| Parameters | Wifi 5 | Wifi 6 | WiGig | WiGig 2 |
|---|---|---|---|---|
| IEEE Standard | IEEE 802.11ac | IEEE 802.11ax | IEEE 802.11ad | IEEE 802.11ay |
| Network | WLAN | WLAN | WLAN | WLAN |
| Frequency Band (GHz) | 5-6 | 1-7 | 60 | 60 |
| Power | Very Low | Very Low | Very Low | Very Low |
| Speed | 1-7 Gbps | 11 Gbps | 7 Gbps | 20-40 Gbps |
| Transmission Bandwidth | 160 MHz | 160 MHz | 1760 MHz | 8.64 GHz |
| Modulation format | 256-QAM | 1024-QAM | 256-QAM | 256-QAM |
| Application | Internet, Multimedia | Internet, Multimedia | Internet, Multimedia | Internet, Multimedia |