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Using Multiple Antenna Systems for Living-Body Sensing
Naoki HONMA Kentaro NISHIMORI
B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2015/09/01
Online ISSN: 1881-0209
Type of Manuscript: INVITED PAPER (Special Section on Antenna and Propagation Which Keeps Drawing the Future by the Radio and the Relation System)
Multiple antennas, security sensor, living-body sensing,
Full Text(in Japanese): FreePDF(2.7MB)
This paper explains the living-body sensor using a multiple-antenna system. First, the security sensor using MIMO (Multiple-Input Multiple-Output) antenna is introduced. Some experimental results in indoor and outdoor environments are indicated to show this scheme offers a high sensitivity in detecting the intruders. Second application is the monitoring sensor of vital signs. It is shown the microwave sensor with multiple-antenna system can detect the existence of the living body from the channel fluctuation caused by the body-motion, heartbeat and respiration. Also, this technique can be extended to estimate the locations of the multiple living bodies.