Wireless Medical Telemetry Characterization for Ingestible Capsule Antenna Designs

This letter presents a comprehensive and systematic antenna performance evaluation and wireless medical telemetry characterization between two different ingestible antenna designs, an inverted conical helical antenna and a reference conformal meandered offset dipole antenna. The antenna performance...

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Bibliographic Details
Published in:IEEE antennas and wireless propagation letters 2012, Vol.11, p.1679-1682
Main Authors: Rajagopalan, H., Rahmat-Samii, Y.
Format: Article
Language:English
Subjects:
Antenna radiation patterns
Biomedical telemetry
Capsule
conformal antenna
Dipole antennas
helical
Helical antennas
link budget
medical
Specific absorption rate
specific absorption rate (SAR)
Wireless communication
wireless telemetry
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Summary:This letter presents a comprehensive and systematic antenna performance evaluation and wireless medical telemetry characterization between two different ingestible antenna designs, an inverted conical helical antenna and a reference conformal meandered offset dipole antenna. The antenna performance comparison matrix includes matching, radiation patterns, and polarization. Both these antennas are independently characterized inside a human body environment (box-model human). Specific absorption rate (SAR) evaluations are described, and finally a link budget is developed for both the antenna systems based on certain parameters (frequency, power limitations) with the goal of establishing a reliable communication link for indoor communication for biotelemetry applications.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2013.2238502