Energy Efficiency of Ultra-Low-Power Bicycle Wireless Sensor Networks Based on a Combination of Power Reduction Techniques

Table 4

Parameters of the mobile node in different velodrome sections (TPC-based distance estimation algorithm).

Parameter	Section  1		Section  2		Section  3
	Outdoor	Indoor	Outdoor	Indoor	Outdoor	Indoor
Distance between mobile node and coach (m)	32–46	32–46	46–54	46–54	54–65	54–65
Transmitted power () of mobile node (dBm)	−6	−6	0	−6	0	0
Data rate (bps)	2 M	250 k	2 M	250 k	2 M	250 k
Tx mode (mA)	3.34	6.92	3.66	6.92	3.66	8.03
Rx mode (mA)	13.62	12.65	13.62	12.65	13.62	12.65
(Tx_ + Rx_)/2	8.48	9.785	8.64	9.785	8.64	10.34