Difference between revisions of "Wireless Technologies for IoT"

From Embedded Lab Vienna for IoT & Security
Jump to navigation Jump to search
Line 24: Line 24:
* WiFi 802.11ah
* WiFi 802.11ah


=== Wireless Wide Area Betworks (WWAN)(>100m)===
=== Wireless Wide Area Networks (WWAN)(>100m)===
* Sigfox - low throughput
* Sigfox - low throughput
* LoRa/LoraWAN
* LoRa/LoraWAN

Revision as of 16:51, 21 October 2020

Summary

Brief overview of wireless technologies used in IoT systems.

Categorization by range

Proximity (0-10 cm)

  • Near Field Communication (NFC)
  • Radio Frequency Identification (RFID)

Wireless Personal Area Network (WPAN) (0-10m/100m)

  • Bluetooth 802.15.1
  • Bluetooth Low Energy (BLE)
  • Zigbee
  • 6LoWPAN
  • Thread
  • Z-Wave
  • WirelessHART
  • MIWI
  • ISA100.a

Wireless Local Area Network (WLAN) (0-100m)

  • Wifi 802.11
  • WiFi 802.11ah

Wireless Wide Area Networks (WWAN)(>100m)

  • Sigfox - low throughput
  • LoRa/LoraWAN
  • DASH7
  • Cellular technologies (2G, 3G, 4G, 5G, LTE, NB IOT)

Comparisons

Comparison of WPAN Technologies
Protocol ZigBee Z-Wave Thread
Number of Devices 256
Frequency Band 868/915 and 2.4GHz 800-900 MHz 2.4 GHz
Network topology Star and mesh type Star and mesh type
Data Rate up to 250 Kbps Example
Modulation technique BPSK, OQPSK Example
Typical distance coverage 10 to 30 meters 90/24 m (outdoor/indoor)
Power consumption 0.39 Watt Example
Transmit power(nominal) -25dBm to 0 dBm Example
Data protection using CRC 16 bit CRC Example
Applications Home automation Example

ZigBee Manufacturers:Freescale, Ember, Texas Instruments (CC2530,CC2531), Marvell, ATMEL, Microchip

References