Analog and Algorithm Assisted Ultra low Power Biosignal Acquisition Systems 1st Edition by Venkata Rajesh Pamula, Chris Van Hoof, Marian Verhelst 3030058697 9783030058692

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Product details:

ISBN 10: 3030058697

ISBN 13: 9783030058692

Author: Venkata Rajesh Pamula, Chris Van Hoof, Marian Verhelst

This book discusses the design and implementation aspects of ultra-low power biosignal acquisition platforms that exploit analog-assisted and algorithmic approaches for power savings.The authors describe an approach referred to as “analog-and-algorithm-assisted” signal processing.This enables significant power consumption reductions by implementing low power biosignal acquisition systems, leveraging analog preprocessing and algorithmic approaches to reduce the data rate very early in the signal processing chain.They demonstrate savings for wearable sensor networks (WSN) and body area networks (BAN), in the sensors’ stimulation power consumption, as well in the power consumption of the digital signal processing and the radio link. Two specific implementations, an adaptive sampling electrocardiogram (ECG) acquisition and a compressive sampling (CS) photoplethysmogram (PPG) acquisition system, are demonstrated. First book to present the so called, “analog-and-algorithm-assisted” approaches for ultra-low power biosignal acquisition and processing platforms; Covers the recent trend of “beyond Nyquist rate” signal acquisition and processing in detail, including adaptive sampling and compressive sampling paradigms; Includes chapters on compressed domain feature extraction, as well as acquisition of photoplethysmogram, an emerging optical sensing modality, including compressive sampling based PPG readout with embedded feature extraction; Discusses emerging trends in sensor fusion for improving the signal integrity, as well as lowering the power consumption of biosignal acquisition systems.

Table of contents:

1. Challenges and Opportunities in Wearable Biomedical Interfaces

2. Adaptive Sampling for Ultra-Low-Power Electrocardiogram (ECG) Readouts

3. Introduction to Compressive Sampling (CS)

4. Compressed Domain Feature Extraction

5. A Low-Power Compressive Sampling (CS) Photoplethysmogram (PPG) Readout with Embedded Feature Extraction

6. Conclusions and Future Work

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Tags: Venkata Rajesh Pamula, Chris Van Hoof, Marian Verhelst, Analog, Algorithm