Design and Simulation of a Patch Antenna for Microwave Imaging

International Journal of Computer Trends and Technology (IJCTT)          
© 2016 by IJCTT Journal
Volume-40 Number-3
Year of Publication : 2016
Authors : Abdul Haque Mohammed, Dr. K. Prahlad Rao


Abdul Haque Mohammed, Dr. K. Prahlad Rao "Design and Simulation of a Patch Antenna for Microwave Imaging". International Journal of Computer Trends and Technology (IJCTT) V40(3):123-129, October 2016. ISSN:2231-2803. Published by Seventh Sense Research Group.

Abstract -
This paper outlines the design and simulation of an inset fed rectangular patch antenna at 2.4 GHz mainly for the detection of breast cancer. The microstrip antenna is used in number of applications viz., biomedical, GPS, aircraft, cell phones and WLAN devices because of its conformability to curved surfaces, low profile, inherent narrow bandwidth, easy to modify and fabricate features and relatively low cost. Breast cancer affects many women and has fatal conclusions if it is not diagnosed correctly. Early diagnosis is the most important parameter to detect and interfere with cancer tissue. Some of methods for breast cancer detection are X-ray mammography, MRI and ultrasound. However, they have some limitations. For example; between 4 and 34% of all breast cancers are missed because of poor malignant or benign cancer tissue contrast. Microwave imaging to detect breast cancer is a promising method and there are many works in this area. All the materials used for trans-receiving microwave signals have different permittivity and conductivity. In this work, a microstrip patch antenna operating at 2.4 GHz (ISM band of radio waves) is designed and simulated over Rogers RT Duroid (εr=2.2) substrate. Important results such as electric field, magnetic field distribution, reflection coefficient and current density on the antenna are evaluated.

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Inset fed, patch antenna, microwave imaging, FEM.