Comprehensive Optimization of Energy Consumption and Delay Performance for Green Communication in Internet of Things

Table 1

Network parameters.

Symbol	Description	Value
	Data collection period	100 ms
	Time slot duration	2 ms
	Transmission power consumption	0.0511 W
	Reception power consumption	0.0588 W
	Sleep power consumption	2.4 × 10^−7 W
	Preamble duration	0.26 ms
	ACK window duration	0.26 ms
	Packet duration	0.93 ms
	Duty cycle	Calculation specific
	The original duty cycle nodes adopt	Calculation specific