Chest-Worn Self-Injection-Locked Oscillator Tag for Monitoring Heart Rate Variability

被引：0
作者：
El Arif, Rezki [1 ]
Su, Wei-Chih [1 ]
Tang, Mu-Cyun [1 ]
Horng, Tzyy-Sheng [1 ]
Wang, Fu-Kang [1 ]
机构：
[1] Natl Sun Yat Sen Univ, Dept Elect Engn, Kaohsiung, Taiwan
来源：
PROCEEDINGS OF THE 2020 IEEE/MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM (IMS) | 2020年
关键词：
Wearable sensor; heart rate variability; self-injection-locking; complementary slot ring resonator; RADAR;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents a 5.8 GHz wireless chest-worn sensor for monitoring heart rate variability (HRV). The sensor consists of a self-injection-locked oscillator (SILO) and a tag antenna. It transmits a radio -frequency (RF) signal that is frequency-modulated based on self-injection-locking by the physiological motion of the chest to a handheld receiver for demodulation to analyze HRV. The tag antenna is a stacked structure composed of a complementary slot ring resonator (CSRR) and a circularly polarized (CP) slot radiator, playing important roles as a near-field sensing tip and a far-field radiation antenna. As an experimental result, the comparison of the inter-beat interval (IBI) data between the proposed sensor system and an electrocardiogram (ECG) equipment for a wearer shows excellent agreement.
引用
收藏
页码：512 / 515
页数：4
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