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2018-05-02
Microwave Non-Invasive Temperature Monitoring Using UWB Radar for Cancer Treatment by Hyperthermia
By
Progress In Electromagnetics Research, Vol. 162, 1-14, 2018
Abstract
Objective: In this paper we present a study of a novel method to noninvasively monitor temperature noninvasively 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. For two dimensional imaging the 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.
Citation
Ondrej Fiser, Marko Helbig, Juergen Sachs, Sebastian Ley, Ilja Merunka, and Jan Vrba, "Microwave Non-Invasive Temperature Monitoring Using UWB Radar for Cancer Treatment by Hyperthermia," Progress In Electromagnetics Research, Vol. 162, 1-14, 2018.
doi:10.2528/PIER17111609
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