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IS07: On-body Antennas for Critical Bio-Signal Monitoring Systems

Thursday 3:00 - 3:40pm - Room Havane

Jaehoon Choi

Hanyang University, Korea

Jaehoon Choi received the B.S. degree from Hanyang University, Korea, and the M.S. degree and Ph.D. degree from Ohio State University, Ohio, in 1980, 1986, and 1989, respectively. From 1989 to 1991, he was a research analyst with the Telecommunication Research Center at Arizona State University, Tempe, Arizona. He had worked for Korea Telecom as a team leader of the Satellite Communication Division from 1991 to 1995. Since 1995, he has been a professor in the Department of Electronics and Computer Engineering at Hanyang University, Korea. Since 2010, he has been the IEEE AP-S Seoul Chapter Chair. In 2013, he was the president of the Korea Istitute of Electromagnetic Engineering and Science (KIEES). He will be the general chair for ISAP 2018. He has published more than 200 refereed journal articles and numerous conference papers. He also holds over 60 patents. His research interests include antennas for wireless body area network (WBAN), wireless power transfer, and metamaterial. His research is mainly focused on WBAN antennas (bio-medical antennas and wearable antennas), antennas for military applications, wireless power transfer, textile antennas, antennas using 3-D printing, and electromagnetic absorber using meta-structure. 


Wireless body area networks (WBANs) have received a great deal of attention for medical and health care applications. In order to monitor the bio-signals, it is necessary to ensure the robust communication links among the WBAN devices; the implantable device (in-body) to the wearable device (on-body), the wearable device to the wearable device, and the wearable device to the monitoring device (off-body) communications.

In this invited talk, three types of on-body antennas for bio–signal monitoring systems will be presented. Firstly, antenna design techniques for on-body to on-body communications are discussed; (1) TM21 higher order mode patch antenna with monopole-like radiation; (2) additional corrugation/EBG structure for body surface wave enhancement. Secondly, designs of dual-modes antennas for repeater systems are introduced. In order to design dual-modes antennas for in-on-on and on-on-off communication links, we propose a few miniaturization techiques as well as how to integrate two radiating elements with different operating frequencies into a single antenna structure. Lastly, the textile antenna using all-textile materials such as conductive textile, conductive thread, and non-conductive fabric for practical wearable applications is presented.

With the fast advent of the aged society, the market for bio-signal monitoring systems is consistently expanding. Since an on-body antenna (wearable antenna) is one of the key components and plays an important role in establishing the successful communication channel for bio-signal monitoring systems, the proper design of on-body antennas considering practical applicability becomes very important issue.

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