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A low power ECG signal processor for ambulatory arrhythmia monitoring system

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6 Author(s)

An ECG signal processor (ESP) is proposed for ambulatory arrhythmia monitoring systems. The ESP consists of three heterogeneous processors and performs filtering, data compression, ECG classification, and encryption. A data reduction scheme, consisting of skeleton and Huffman coding, are employed to reduce the on-chip memory capacity and memory access power. Clock gating and voltage scaling are also applied to reduce the power consumption. The ESP consumes 1.26-μW at 0.7V, while providing real time signal processing.

Published in:

VLSI Circuits (VLSIC), 2010 IEEE Symposium on

Date of Conference:

16-18 June 2010