Heterogeneous Wireless Sensor Network for Transportation System Applications

Table 3

Summary of test results for environmental chamber at 1000 rpm.

Temp °C	Number of enquiries	Lost engine data∗(𝑛,%)	Cylinder WICO latency				Serial latency average (ms), standard deviation (ms)
			average(ms), standard deviation (ms)
			Cyl.; WICO1	Cyl.; WICO2	Cyl.; WICO3	Cyl.; WICO4
−10	2295	44, 1.9	28, 3	5, 2	22, 3	17, 3	123, 6
10	1529	8, 0.5	9, 3	16, 3	26, 2	5, 2	119, 6
30	1868	16, 0.9	19, 2	30, 5	27, 3	6, 5	122, 7
50	1359	8, 0.6	2, 4	1, 7	8, 6	17, 5	92, 5
80	5652	68, 1.2	45, 4	39, 4	13, 5	6, 5	123, 6

∗Excluding lost packets from Oil WICO.