Design of Rectangular Slotted-Patch Antenna Array-Sensor for Breast-Tumor Detection

Authors

Keywords:

Breast tumor diagnosis, breast phantoms, healthy and malignant breast tissues, monostatic radar-based technique, slotted antenna array, SAR

Abstract

In this work, a slotted rectangular microstrip patch antenna-array-sensor is proposed for breast tumor detection operating in Industrial Scientific and Medical (ISM) frequency band at 5.8 GHz. To increase the sensitivity and better coverage region, a 1×4 antenna-array with overall size 0.96 λg ×2.5 λg has been developed instead of a single element. To excite each antenna element, a 1:4 power divider is employed in corporate feeding with microstrip technology. To acquire the conforming ability on hemispherical surface, the antenna array sensor is realized on RT Duroid 5880 of thickness 0.508 mm. A monostatic radar-based technique using microwave signals is used to detect the contrast between healthy and malignant tissues. Initially, the sensor’s performance has been evaluated over a multi-layered breast equivalent phantom comprising skin and fat layers along with tumor. Specific Absorption Rate (SAR) analysis is conducted to assess the variations in the biological tissues of the breast equivalent phantom, distinguishing between healthy and malignant tissues. Also, experimental results reveal that the 1×4 array sensor provides improved sensitivity, gain, and directional energy delivery, enabling better detection of tumors at varying sizes and depths.

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Author Biographies

Divya Chaturvedi, Indian Institute of Information Technology, Pune, Maharashtra, 411041, India.

Divya Chaturvedi (Senior Member, IEEE) was born in Kanpur, India. She received the B.Tech. degree in electronics and communication engineering from Uttar Pradesh Technical University, Lucknow, India, in 2011, and the M.Tech. degree in electronics engineering from Pondicherry Central University, Puducherry, India, in 2015, and the Ph.D. degree in substrate-integrated waveguide-based cavity-backed antenna from the National Institute of Technology, Tiruchirappalli, India, in 2019. Currently, she is working as an Assistant Professor at the Department of Electronics and Communication Engineering, IIIT Pune, Pune, Maharashtra, India.

V L Bhavani Maddirala, SRM University-AP, Amaravati, Andhra Pradesh, 522240, India.

M V L Bhavani (Student Member, IEEE) was born in Vijayawada, India. She received the B.Tech. degree in electronics and communication engineering and the M.Tech. degree in electronics engineering from Jawaharlal Nehru Technological University, Kakinada, India, in 2010 and 2012, respectively. She is currently pursuing the Ph.D. degree with the Department of Electronics and Communication Engineering, SRM University-AP, Amaravati, India.

Arvind Kumar, Visvesvaraya National Institute of Technology, Nagpur, Maharashtra, 440010, India

Arvind Kumar (SM IEEE) was born in Jodhpur, India. He currently holds the position of Assistant Professor in the Department of ECE at VNIT Nagpur, India. Prior to this, he served as an Assistant Professor at VIT Vellore. He earned his Ph.D. in Microwave and RF in the Department of ECE at NIT Trichy, India, in 2019. In 2025 he was awarded young faculty research fellowship award by Ministry of Electronics & Information Technology, GoI. He was awarded the prestigious 'Scientific High-Level Visiting Fellowship' by the Government of France, enabling him to serve as a short-term visiting researcher at the University of Rennes-IETR.

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Published

2025-10-01

How to Cite

Chaturvedi, D., Maddirala, V. L. B., & Kumar, A. (2025). Design of Rectangular Slotted-Patch Antenna Array-Sensor for Breast-Tumor Detection. IEEE Latin America Transactions, 23(11), 1143–1149. Retrieved from https://latamt.ieeer9.org/index.php/transactions/article/view/9775

Issue

Vol. 23 No. 11 (2025): Ordinary Issue

Section

Electronics