Difference between revisions of "Wireless Technologies for IoT"

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Line 37: Line 37:
! Protocol !! ZigBee !! Z-Wave
! Protocol !! ZigBee !! Z-Wave
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|-
| Network Type || WPAN || WPAN
| Number of Devices || WPAN || WPAN
|-
|-
| Frequency Band || 868/915 and 2.4GHz || 800-900 MHz  
| Frequency Band || 868/915 and 2.4GHz || 800-900 MHz  

Revision as of 17:34, 14 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 Betworks (WWAN)(>100m)

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

Comparisons

example
Protocol ZigBee Z-Wave
Number of Devices WPAN WPAN
Frequency Band 868/915 and 2.4GHz 800-900 MHz
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 Example
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

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