Vital-Sign Detection Based on a Passive WiFi Radar

被引:0
|
作者
Tang, Mu-Cyun [1 ]
Wang, Fu-Kang [1 ]
Horng, Tzyy-Sheng [1 ]
机构
[1] Natl Sun Yat Sen Univ, Dept Elect Engn, Kaohsiung 804, Taiwan
来源
2015 IEEE MTT-S INTERNATIONAL MICROWAVE WORKSHOP SERIES ON RF AND WIRELESS TECHNOLOGIES FOR BIOMEDICAL AND HEALTHCARE APPLICATIONS (IMWS-BIO) | 2015年
关键词
Vital signs; passive Doppler radar; WiFi radar; injection-locked oscillator; radio interference;
D O I
暂无
中图分类号
R318 [生物医学工程];
学科分类号
0831 ;
摘要
This paper presents a passive radar to detect human vital signs with ambient WiFi signals. The proposed radar does not contain a transmitting source. Instead, it captures WiFi signals produced by a far IEEE 802.11b/g/n access point and utilizes those signals to perform vital-sign detection according to Doppler effects. The reliability of detection depends on the conditions of WiFi connection, such as downloading or non-downloading states and signal strength, which is the focus of this study.
引用
收藏
页码:74 / 75
页数:2
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