Research Article
A Digital Compressed Sensing-Based Energy-Efficient Single-Spot Bluetooth ECG Node
Table 2
Comparison of the proposed node with commercial ones.
| | Proposed node | Shimmer2 | ZMP ECG2 | Zio Patch [31] |
| Size (mm) | 40 (D) × 15(H) | 53 × 32 × 23 | 44 × 41 × 9.34 | 123 × 53 × 10.7 | Weight (g) | 30 | 32 | 15 | 34 | Current | | | | | OS + sampling | 0.23 mA | 0.1 mA (only OS) | ~1.35 mA | — | Wireless | 1.98 mA at 200 Hz | ~20 mA | ~3.00 mA | No radio | Deep sleep | 5.2 μA | 0.14 mA | ~4 μA | — | Lifetime | 116 h at 3 V 230 mAh | ~24 h at 3.7 V 450 mAh | 72 h at 3.3 V 230 mAh | <14 day | Location | Single-spot | Traditional three lead | Single-spot | Single-spot | Price (RMB) | <400 (hardware cost) | >2800 | >20000 | — |
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Shimmer2: http://www.shimmersensing.com/; ZMP ECG2: https://www.zmp.co.jp; and Zio Patch monitor: http://irhythmtech.com/.
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