title: Implementation of a wireless ECG acquisition SoC for IEEE 802.15.4 (ZigBee) applications.
abstract: This paper presents a wireless biosignal acquisition system-on-a-chip (WBSA-SoC) specialized for electrocardiogram (ECG) monitoring. The proposed system consists of three subsystems, namely, 1) the ECG acquisition node, 2) the protocol for standard IEEE 802.15.4 ZigBee system, and 3) the RF transmitter circuits. The ZigBee protocol is adopted for wireless communication to achieve high integration, applicability, and portability. A fully integrated CMOS RF front end containing a quadrature voltage-controlled oscillator and a 2.4-GHz low-IF (i.e., zero-IF) transmitter is employed to transmit ECG signals through wireless communication. The low-power WBSA-SoC is implemented by the TSMC 0.18-μm standard CMOS process. An ARM-based displayer with FPGA demodulation and an RF receiver with analog-to-digital mixed-mode circuits are constructed as verification platform to demonstrate the wireless ECG acquisition system. Measurement results on the human body show that the proposed SoC can effectively acquire ECG signals.
authors.forename: Liang-Hung
authors.initials: LH
authors.lastname: Wang
authors.forename: Tsung-Yen
authors.initials: TY
authors.lastname: Chen
authors.forename: Kuang-Hao
authors.initials: KH
authors.lastname: Lin
authors.forename: Qiang
authors.initials: Q
authors.lastname: Fang
authors.forename: Shuenn-Yuh
authors.initials: SY
authors.lastname: Lee
mesh_terms: D003195:Computer Communication Networks / Q000295:instrumentation* / Q000592:standards*; D004562:Electrocardiography / Q000295:instrumentation* / Q000592:standards*; D004867:Equipment Design; D019544:Equipment Failure Analysis; D017408:Guidelines as Topic; D006801:Humans; D038622:Internationality; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D012815:Signal Processing, Computer-Assisted / Q000295:instrumentation; D059629:Signal-To-Noise Ratio; D059015:Wireless Technology / Q000295:instrumentation* / Q000592:standards*