Journal
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
Volume 15, Issue -, Pages 106-109Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LAWP.2015.2432172
Keywords
Implantable antenna; Medical Device Radio communications Service (MedRadio) band; pattern-reconfigurable
Funding
- National Research Foundation of Korea [2013R1A1A1A05006118] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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The objective of this letter is to design a radiation-pattern reconfigurable antenna that operates at the Medical Device Radio communications Service band (MedRadio band: 401-406 MHz) for medical implants. By spiraling a monopole, an antenna miniaturization is accomplished. Two artificial switches are employed to perform a radiation-pattern reconfigurable property. The proposed antenna has dimensions of 28 mm x 11.5 mm x 0.6 mm (193.2 mm(3)) and utilizes sub-strate (FRA epsilon(r) = 4.4). A one-layer skin model (epsilon(r) = 46.74, sigma = 0.69 S/m) is adopted for the antenna simulation and in vitro test.
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