Heterogeneous Wireless Sensor Network for Transportation System Applications

Table 4

Summary of test results for environmental chamber at 3000 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	2354	48, 2.0	36, 2	14, 2	30, 2	25, 3	128, 3
10	1608	28, 1.7	19, 2	26, 3	35, 2	14, 2	127, 2
30	2147	24, 1.1	23, 2	32, 4	35, 3	17, 3	127, 2
50	1350	8, 0.6	35, 3	34, 7	26, 6	17, 5	122, 6
80	2236	23, 1.0	28, 3	40, 4	36, 3	14, 3	127, 4

∗Excluding lost packets from Oil WICO.