DESIGN OF AN IMPLANTABLE ANTENNA OPERATING AT ISM BAND USING MAGNETO-DIELECTRIC MATERIAL | Zendy

Zhihao Luan | Zendy; Lulu Liu | Zendy; W. Zong | Zendy; Zhejun Jin | Zendy; Shandong Li | Zendy

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DESIGN OF AN IMPLANTABLE ANTENNA OPERATING AT ISM BAND USING MAGNETO-DIELECTRIC MATERIAL

Author(s) -

Zhihao Luan,

Lulu Liu,

W. Zong,

Zhejun Jin,

Shandong Li

Publication year - 2019

Publication title -

progress in electromagnetics research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.245

H-Index - 33

ISSN - 1937-6480

DOI - 10.2528/pierl18111202

Subject(s) - magneto , antenna (radio) , dielectric , materials science , ism band , optoelectronics , electrical engineering , electronic engineering , engineering , magnet

A novel technique to design a wideband implantable antenna has been proposed by using magneto-dielectric material. The antenna is a half cutting of a coplanar waveguide fed antenna with symmetric geometry printed on a flexible substrate with 24 μm thickness. A piece of magneto-dielectric sheet with 0.25 mm thickness is attached on the bottom layer of the antenna to tune the antenna bandwidth. The antenna is simulated in a one-layer body phantom. Simulation shows that the antenna has a wide bandwidth covering 902–928 MHz Industrial, Scientific, and Medical (ISM) band when the body phantom is filled with muscle. There are frequency bandwidth shifts when the body phantom is filled with different tissues of skin, small intestine, and stomach, respectively. The antenna has wide bandwidth covering ISM band in these tissues. Measurement has been done in meat mince. The measured bandwidth of proposed antenna is 810–1062 MHz. The proposed antenna has a compact size of 4mm × 12mm × 0.274 mm suitable to be applied in capsule endoscope, wireless pacemaker, etc.

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