A 457 nW Near-Threshold Cognitive Multi-Functional ECG Processor for Long-Term Cardiac Monitoring

@article{Liu2014A4N,
  title={A 457 nW Near-Threshold Cognitive Multi-Functional ECG Processor for Long-Term Cardiac Monitoring},
  author={Xin Liu and Jun Zhou and Yongkui Yang and Bo Wang and Jingjing Lan and Chao Wang and Jianwen Luo and Wang Ling Goh and Tony Tae-Hyoung Kim and Minkyu Je},
  journal={IEEE Journal of Solid-State Circuits},
  year={2014},
  volume={49},
  pages={2422-2434}
}
A low-power multi-functional electrocardiogram (ECG) signal processor is presented in this paper. To enable long-term monitoring, several architecture-level power saving techniques are proposed, including global cognitive clocking, pseudo-downsampling wavelet transform, adaptive storing, and denoising-based run-length compression. An ultra-low-voltage ADC is designed for low-power signal digitization with adaptive clocking. Through these architecture-level techniques, the total power… CONTINUE READING
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