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Low Power Wireless SoC Platform for Wearable IoT Applications

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As the low power requirement in the various wearable IoT applications increases, it is essential to design and implement the low power SoC (System-on-a-Chip) with power efficient bio-signal processor which has high SNR (Signal to Noise Ratio) performance. Among the various wearable IoT applications, especially, the brain-computer interface (BCI) is a promising technology which uses brain wave to control external devices or transmitting the intentions of user. This paper presents the low power SoC for BCI application which has biosignal processor and IEEE 802.15.4 digital baseband modem. The power reduction of overall SoC is managed by power management unit (PMU) with power gating technology on the three power domains. The proposed digital SoC was fabricated in Samsung CMOS 65 nm process with 38 MHz operating frequency on 1.2 V core voltage and occupies core area of 8.4 mm2.
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Keywords: Bio-Signal Processing; Low Power; SoC (System-on-a-Chip)

Document Type: Research Article

Affiliations: 1: Department of Electronics Engineering, Chungnam National University, Daejeon, 34134, Republic of Korea 2: Department of Electrical and Information Engineering, Seoul National University of Science and Technology, Seoul, 01811, Republic of Korea

Publication date: November 1, 2016

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  • ADVANCED SCIENCE LETTERS is an international peer-reviewed journal with a very wide-ranging coverage, consolidates research activities in all areas of (1) Physical Sciences, (2) Biological Sciences, (3) Mathematical Sciences, (4) Engineering, (5) Computer and Information Sciences, and (6) Geosciences to publish original short communications, full research papers and timely brief (mini) reviews with authors photo and biography encompassing the basic and applied research and current developments in educational aspects of these scientific areas.
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