Experimental breast phantom imaging with metamaterial-inspired nine-antenna sensor array

Mohammad Tariqul Islam, Md Samsuzzaman, Md Tarikul Islam, Salehin Kibria

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

An experimental system for early screening of a breast tumor is presented in this article. The proposed microwave imaging (MI) system consists of a moveable array of nine improved negative-index metamaterial (MTM)-loaded ultrawideband (UWB) antenna sensor with incorporation of a corresponding SRR (split-ring resonator) and CLS (capacitively loaded strip) structure, in a circular array, the stepper motor-based array-mounting stand, the adjustable phantom hanging platform, an RF switching system to control the receivers, and a personal computer-based signal processing and image reconstruction unit using MATLAB. The improved antenna comprises of four-unit cells along one axis, where an individual unit cell integrates a balancing SRR and CLS pair, which makes the antenna radiation omnidirectional over the operating frequencies. The electrical dimensions of this proposed antenna are 0.28ʎ × 0.20ʎ × 0.016l, measured at the lowest operating frequency of 2.97 GHz as the operating bandwidth of this is in between 2.97-15 GHz (134.82% bandwidth), with stable directional radiation pattern. SP8T 8 port switch is used to enable the eight receiver antennas to sequentially send a 3-8.0 GHz microwave signal to capture the backscattered signal by MATLAB software. A low-cost realistic homogeneous breast phantom with tumor material is developed and measured to test the capability of the imaging system to detect the breast tumors. A post-processing delay-multiply-and-sum (DMAS) algorithm is used to process the recorded backscatter signal to get an image of the breast phantom, and to accurately identify the existence and located area of multiple breast tumor tissues.

Original languageEnglish
Article number4427
JournalSensors (Switzerland)
Volume18
Issue number12
DOIs
Publication statusPublished - 1 Jan 2018

Fingerprint

Imaging Phantoms
Metamaterials
Sensor arrays
breast
Tumors
Breast
antennas
Antennas
Breast Neoplasms
Microwaves
Imaging techniques
tumors
sensors
Imaging systems
Radiation
MATLAB
Resonators
Computer-Assisted Image Processing
Microcomputers
Antenna radiation

Keywords

  • Breast tumor
  • Homogenous phantom
  • Metamaterial loaded antenna
  • Microwave imaging
  • Ultrawideband antenna

ASJC Scopus subject areas

  • Analytical Chemistry
  • Atomic and Molecular Physics, and Optics
  • Biochemistry
  • Instrumentation
  • Electrical and Electronic Engineering

Cite this

Experimental breast phantom imaging with metamaterial-inspired nine-antenna sensor array. / Islam, Mohammad Tariqul; Samsuzzaman, Md; Islam, Md Tarikul; Kibria, Salehin.

In: Sensors (Switzerland), Vol. 18, No. 12, 4427, 01.01.2018.

Research output: Contribution to journalArticle

Islam, Mohammad Tariqul ; Samsuzzaman, Md ; Islam, Md Tarikul ; Kibria, Salehin. / Experimental breast phantom imaging with metamaterial-inspired nine-antenna sensor array. In: Sensors (Switzerland). 2018 ; Vol. 18, No. 12.
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