A Network Communication Frequency Routing Protocol of Coal Mine Safety Monitoring System Based on Wireless Narrowband Data Communication Network

Table 2

Transfer message format.

		Data (kbps)	Time (s)	Packet loss
Single path	Port	1028	8	12
Multipath	Port A	254	2	0
	Port B	254	2	0
	Port C	254	2	1
	Port D	254	2	0