MICROWAVE NON-INVASIVE TEMPERATURE MONITORING USING UWB RADAR FOR CANCER TREATMENT BY HYPERTHERMIA | Zendy

Ondřej Fišer | Zendy; Marko Helbig | Zendy; J. Sachs | Zendy; Sebastian Ley | Zendy; Ilja Merunka | Zendy; Jan Vrba | Zendy

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MICROWAVE NON-INVASIVE TEMPERATURE MONITORING USING UWB RADAR FOR CANCER TREATMENT BY HYPERTHERMIA

Author(s) -

Ondřej Fišer,

Marko Helbig,

J. Sachs,

Sebastian Ley,

Ilja Merunka,

Jan Vrba

Publication year - 2018

Publication title -

electromagnetic waves

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 89

eISSN - 1559-8985

pISSN - 1070-4698

DOI - 10.2528/pier17111609

Subject(s) - hyperthermia , radar , microwave , medicine , cancer , microwave heating , biomedical engineering , radiology , computer science , telecommunications

Objective: In this paper we present a study of a novel method to noninvasively monitor temperature during thermotherapy for instance in cancer treatment using M-sequence radar technology. The main objective is to investigate the temperature dependence of reflectivity in UWB radar signal in gelatine phantoms using electrically small antennas. Methods: The phantom was locally heated up, and consequently changes of signal reflectivity were observed. Results: An approximate linear relationship between temperature change and reflectivity variations was formulated. To show the potential of this approach we used an M-sequence MIMO radar system. The system was tested on breast-shape phantom with local heating by circulating water of controlled temperature. Delay and Sum algorithm was implemented for two-dimensional imaging. Significance: The article is a study of temperature measurement using UWB radar system for possible usage in thermotherapy.

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