Passive Wireless Sensor Network-Based In-Transit Health Status Monitoring for Railway Transportation

Table 1

Technical parameters of short-range wireless transmission communication.

Name	EnOcean	Zigbee	Z-Wave	Bluetooth	WiFi
Working frequency (Hz)	38	34	48	90	35
Wireless standard	136	83	92	104	148
Power requirement	149	88	50	20	162
Maintenance time	104	158	82	57	181
Maximum transmission rate	82	163	88	140	73
Interference effect	99	104	49	67	84