NDLI: A wireless ECG acquisition SoC for body sensor network

Content Provider	IEEE Xplore Digital Library
Author	Liang-Hung Wang Tsung-Yen Chen Shuenn-Yuh Lee Tai-Hsuan Yang Shi-Yan Huang Jen-Hao Wu Kuang-Hao Lin Qiang Fang
Copyright Year	2012
Description	Author affiliation: Dept. of Electr. Eng., Nat. Chung Cheng Univ., Chiayi, Taiwan (Liang-Hung Wang; Tsung-Yen Chen; Shuenn-Yuh Lee) \|\| Sch. of Electr. & Comput. Eng., RMIT Univ., Melbourne, VIC, Australia (Tai-Hsuan Yang; Shi-Yan Huang; Jen-Hao Wu; Kuang-Hao Lin; Qiang Fang)
Abstract	This paper presents a wireless bio-signal acquisition system-on-chip (WBSA-SoC) that is specialized in electrocardiogram (ECG) monitoring. The proposed system comprises the design and implementation with three subsystems, namely, (1) the ECG acquisition node, (2) the protocol for standard IEEE 802.15.4 ZigBee system, and (3) the radio frequency (RF) transmitter circuits. A preamplifier circuit with a differential difference amplifier (DDA) structure, a $4^{th}$ Butterworth low-pass filter (LPF), and a successive-approximation analog-to-digital converter (SA-ADC) are integrated to acquire an ECG signal. For high integration, applicability, and portability, the ZigBee protocol is adopted for wireless communication. A fully integrated CMOS RF front-end contains a quadrature voltage-controlled oscillator (QVCO) and a 2.4 GHz low-IF transmitter with a power amplifier and an up-conversion mixer, which is employed to transmit the ECG signal through wireless communication. The low-power wireless bio-signal acquisition SoC has been implemented in TSMC 0.18-μm standard CMOS process. The measurement results on the human body reveal that the ECG signals can be acquired effectively by the proposed SoC.
Sponsorship	Circuits & Syst. Soc.
Starting Page	156
Ending Page	159
File Size	687429
Page Count	4
File Format	PDF
ISBN	9781467322911
e-ISBN	9781467322935
e-ISBN	9781467322928
DOI	10.1109/BioCAS.2012.6418396
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-11-28
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless communication Radio frequency Wireless sensor networks Zigbee Electrocardiography System-on-a-chip Monitoring
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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