Please use this identifier to cite or link to this item: https://doi.org/10.1109/ASSCC.2013.6691003
Title: An ECG-SoC with 535nW/channel lossless data compression for wearable sensors
Authors: Deepu, C.J. 
Zhang, X.
Liew, W.-S.
Wong, D.L.T.
Lian, Y. 
Issue Date: 2013
Citation: Deepu, C.J.,Zhang, X.,Liew, W.-S.,Wong, D.L.T.,Lian, Y. (2013). An ECG-SoC with 535nW/channel lossless data compression for wearable sensors. Proceedings of the 2013 IEEE Asian Solid-State Circuits Conference, A-SSCC 2013 : 145-148. ScholarBank@NUS Repository. https://doi.org/10.1109/ASSCC.2013.6691003
Abstract: This paper presents a low power ECG recording Sys-tem-on-Chip (SoC) with on-chip low complexity lossless ECG compression for data reduction in wireless/ambulatory ECG sensor devices. The proposed algorithm uses a linear slope predictor to estimate the ECG samples, and uses a novel low complexity dynamic coding-packaging scheme to frame the resulting estimation error into fixed-length 16-bit format. The proposed technique achieves an average compression ratio of 2.25x on MIT/BIH ECG database. Implemented in 0.35μm process, the compressor uses 0.565K gates/channel occupying 0.4 mm2 for 4-channel, and consumes 535nW/channel at 2.4V for ECG sampled at 512 Hz. Small size and ultra-low power consumption makes the proposed technique suitable for wearable ECG sensor application. © 2013 IEEE.
Source Title: Proceedings of the 2013 IEEE Asian Solid-State Circuits Conference, A-SSCC 2013
URI: http://scholarbank.nus.edu.sg/handle/10635/83467
ISBN: 9781479902781
DOI: 10.1109/ASSCC.2013.6691003
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