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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2014-10-23
A Flexible Broadband Antenna and Transmission Line Network for a Wearable Microwave Breast Cancer Detection System
By
Emily Porter,

    Dr. Emily Porter

    Department of Electrical and Computer Engineering

    McGill University

    Canada

    Homepage

Gregory Walls,

    Dr. Gregory Walls

    Engineering Science Department

    Trinity University

    USA

    Homepage

Yahe Zhou,

    Dr. Yahe Zhou

    Engineering Science Department

    Trinity University

    USA

    Homepage

Milica Popović,

    Dr. Milica Popović

    Department of Electrical & Computer Engineering

    McGill University

    Canada

    Homepage

Joshua D. Schwartz

    Dr. Joshua D. Schwartz

    Engineering Science

    Trinity University

    United States

    Homepage

Progress In Electromagnetics Research Letters, Vol. 49, 111-118, 2014
doi:10.2528/PIERL14091003 | Google Scholar

Abstract
First, we report on the design, simulation and measurement of a 2-4 GHz conformable antenna optimized for skin contact and implemented on a flexible printed circuit for integration into a wearable device. Second, we experimentally verify the suitability of appropriately long (~10 cm) microstrip traces for the wearable system signal distribution network, which features varying radii of curvature. Consequently, the contribution of the here reported work is two-fold. First, the experimental results obtained both with breast phantoms and on-body measurements, demonstrate a return loss below -10 dB in the desired frequency band. Phantom results also show a through-breast transmission coefficient of above -40 dB at the centre frequency of 3 GHz. Second, and essential for signal integrity in our target application, the results show that the longitudinal curvature of such a microstrip does not increase transmission line losses.
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Citation
Emily Porter, Gregory Walls, Yahe Zhou, Milica Popović, and Joshua D. Schwartz, "A Flexible Broadband Antenna and Transmission Line Network for a Wearable Microwave Breast Cancer Detection System," Progress In Electromagnetics Research Letters, Vol. 49, 111-118, 2014.
doi:10.2528/PIERL14091003
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