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Small Antennas Used in the Vicinity of Human Body
Koichi ITO Masaharu TAKAHASHI Kazuyuki SAITO
IEICE TRANSACTIONS on Communications
Publication Date: 2016/01/01
Online ISSN: 1745-1345
Type of Manuscript: INVITED PAPER (Special Section on Recent Progress in Antennas, Propagation and Wireless Systems Related to Topics in ISAP2014)
Category: Antennas and Propagation
wearable antenna, implantable antenna, body-centric wireless communications, RFID, hyperthermia, medical device, human body, phantom,
Full Text: FreePDF(3.4MB)
Recently, wearable wireless devices or terminals have become hot a topic not only in research but also in business. Implantable wireless devices can temporarily be utilized to monitor a patient's condition in an emergency situation or to identify people in highly secured places. Unlike conventional wireless devices, wearable or implantable devices are used on or in the human body. In this sense, body-centric wireless communications (BCWCs) have become a very active area of research. Radio-frequency or microwave medical devices used for cancer treatment systems and surgical operation have completely different functions, but they are used on or in the human body. In terms of research techniques, such medical devices have a lot of similarities to BCWCs. The antennas to be used in the vicinity of the human body should be safe, small and robust. Also, their interaction with the human body should be well considered. This review paper describes some of the wearable antennas as well as implantable antennas that have been studied in our laboratory.