NDLI: Investigations into an uwb microwave radar system for breast cancer detection

Content Provider	IEEE Xplore Digital Library
Author	Wee Chang Khor Bialkowski, M.E.
Copyright Year	2007
Description	Author affiliation: Univ. of Queensland, Brisbane (Wee Chang Khor; Bialkowski, M.E.)
Abstract	Recent years have shown a considerable interest in using a wideband microwave radar technique for detecting and locating breast cancer. The basis for microwaves to detect and locate tumour is the difference in the electrical properties of normal and malignant breast tissue. Normal breast tissue is largely transparent to microwaves while lesions, which contain more water and blood, scatter them back towards the probing antenna. The scattered signal can be recorded by radar and analysed using a computer. This technique is considered as a viable alternative to X-ray mammography, which is currently considered as the "gold standard" for breast cancer diagnosis. The reason is that it involves the propagation of very low levels (1000 times less than a mobile phone) of microwave energy through the breast tissue and is thus is non-ionizing. Also it is of low cost and thus has potential to be used by masses. The microwave radar approach requires generating and receiving short pulses for various locations of a probe antenna or alternatively by an array antenna. As a result, it requires the use of an ultra wideband (UWB) source and receiver forming microwave radar. In this paper we look at the capability of a UWB microwave radar technique to detect breast cancer by performing a number of experiments with a simple breast phantom. In particular, we investigate the effect of compensating the received signal drop due to the distance between a target and a receiving antenna to enhance the target detection by visual inspection of a generated image.
Starting Page	2160
Ending Page	2163
File Size	318756
Page Count	4
File Format	PDF
ISBN	9781424408771
DOI	10.1109/APS.2007.4395955
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-06-09
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Ultra wideband radar Breast cancer Radar detection Cancer detection Radar antennas Breast tissue Radar scattering Receiving antennas Microwave theory and techniques X-ray scattering
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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