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Broadband hybrid water antenna for ISM-band ingestible capsule endoscope systems
- Authors
- Jin, Yunnan; Tak, Jinpil; Choi, Jaehoon
- Issue Date
- Mar-2016
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Keywords
- Broadband; Capsule endoscope systems; ISM-band; Sim4life; Water antenna
- Citation
- 2016 International Workshop on Antenna Technology, iWAT 2016, pp.82 - 85
- Indexed
- SCOPUS
- Journal Title
- 2016 International Workshop on Antenna Technology, iWAT 2016
- Start Page
- 82
- End Page
- 85
- Abstract
- A broadband hybrid water antenna for ingestible capsule endoscope systems at Industrial, Science and Medical (ISM 2.45 GHz) band is proposed. The proposed antenna consists of a cylindrical conducting monopole antenna, saline-water, and a biocompatible shell. The antenna has a wide -10 dB reflection coefficient bandwidth from 1.89 GHz to 4.51 GHz (a fractional bandwidth of 106.9%) with a compact volume (approximately 1.53 cm3). To evaluate the effects on the antenna performance, electrical components (battery, camera, and transceiver) are modeled as a PEC cylinder inside the capsule. In addition, the specific absorption rate (SAR) performance of the proposed antenna is also analyzed by SEMCAD.
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