Survey of QoS Routing Protocols in Wireless Multimedia Sensor Networks

Table 6

Comparison of the physical layer standards in WMSNs.

Specifications	UWB	WLAN	Bluetooth	ZigBee
Data rate (max)	250 Mbps	54 Mbps	3 Mbps	250 Kbps
Output power	1 mW	40–200 mW	1–100 mW	1-2 mW
Code efficiency	97.94%	97.18%	94.41%	76.52%
Range	<10 m	30–100 m	1–100 m	10–100 m
Frequency	3.1 GHz–10.6 GHz	2.4 GHz	2.4 GHz	2.4 GHz or; 915 MHz or; 868 MHz