Wireless Technologies for IoT
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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
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
- IEEE 802.15.4 low rate wireless networks https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=7460875
- Transmission of IPv6 Packets over IEEE 802.15.4 Networks https://tools.ietf.org/html/rfc4944
- Adryan, B, Obermaier, D & Fremantle, P 2017, The Technical Foundations of IoT. Artech House, Boston.