Priority-Based Dynamic Multichannel Transmission Scheme for Industrial Wireless Networks

Table 1

Application and system requirements.

	920-MHz band	2.4-GHz band
Applications	(i) AMI; (ii) Distribution automation	(i) Optimized factory; (ii) Predictive maintenance
Application processing	(i) Remote monitoring; (ii) Remote operation	(i) Remote monitoring; (ii) Remote operation
Communication type	(i) Publish/subscribe; (ii) Request/response	(i) Publish/subscribe; (ii) Request/response
Remote monitoring cycle	30 min; (periodic data)	1–5 min; (periodic data)
Maximum delay for remote operation	20–60 sec; (unpredictable data)	5–20 sec; (unpredictable data)
Number of nodes in wireless network	1–500 nodes	1–500 nodes
Packet length	500–600 B	90 B
Communication speed	50–100 kbps	250 kbps
Protocols	(i) IEEE802.15.4g/e; (ii) 6tisch; (iii) 6LoWPAN	(i) ISA100.11a; (ii) WirelessHART