Research Article
Energy Efficiency of Ultra-Low-Power Bicycle Wireless Sensor Networks Based on a Combination of Power Reduction Techniques
Table 2
ANT active, sleep, and average current consumption measurements for the mobile node in the Tx mode and master node in the Rx mode based on (
8).
| | | Data rate ()/receiver sensitivity | | | 250 kbps/−94 dBm | 1 Mbps/−85 dBm | 2 Mbps/−82 dBm | | Mode of operation | Tx | Rx | Tx | Rx | Tx | Rx | | level (dBm) | (mA) | (µA) | (mA) | (µA) | (mA) | (µA) | (mA) | (µA) | (mA) | (µA) | (mA) | (µA) |
| | 0 | 8.03 | 14.73 | 12.65 | 22.75 | 4.37 | 4.58 | 13.2 | 12.22 | 3.66 | 3.43 | 13.62 | 10.61 | | −6 | 6.92 | 12.80 | 12.65 | 22.75 | 3.87 | 4.14 | 13.2 | 12.22 | 3.34 | 3.20 | 13.62 | 10.61 | | −12 | 6.15 | 11.47 | 12.65 | 22.75 | 3.53 | 3.854 | 13.2 | 12.22 | 3.12 | 3.047 | 13.62 | 10.61 | | −18 | 5.77 | 10.81 | 12.65 | 22.75 | 3.36 | 3.70 | 13.2 | 12.22 | 3.01 | 2.96 | 13.62 | 10.61 |
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Sleep current = 0.8 µA for all cases (obtained from the measurement).
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