Wireless Communications and Mobile Computing / 2018 / Article / Tab 1

Research Article

Intelligent Smoke Alarm System with Wireless Sensor Network Using ZigBee

Table 1

Comparison of WLAN technologies.

Wi-Fi
(802.11) [20]
Bluetooth
(BLE) [21]
ZigBee [22]Z-Wave [23]

Transfer rate11 and 54 Mbits/s1, 3, and 24 Mbits/s20, 40, and 250 Kbits/s9.6 Kbits/s
Power consumption10–50 mA0.6 mA1.2 μ.
Effective distance100 meters10 meters100 meters100 meters
Frequency2.4 GHz2.4 GHz868,900~928 MHz and 2.4 GHz868~908.42 MHz
Networking topologyPoint to hubAd hoc, small networksAd hoc, peer-to-peer, star, tree, meshAd hoc, peer-to-peer, star, tree
SecurityWEP, WPA
(low)
64- and 128-bit encryption
(medium)
128 AES plus application layer security
(high)
128 AES
(high)
Typical applicationsWireless LAN connectivity, Internet accessWireless PAN connected with devicesIndustrial control and monitoring, sensor networks, home control and automationSensor networks, building automation

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