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    Development of 2.45 GHz Antenna for Flexible Compact Radiation Dosimeter Tags

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    Type
    Article
    Authors
    Sanusi, Ololade M.
    Ghaffar, Farhan A.
    Shamim, Atif cc
    Vaseem, Mohammad
    Wang, Ying
    Roy, Langis
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering
    Electrical Engineering Program
    Date
    2019
    Permanent link to this record
    http://hdl.handle.net/10754/655906
    
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    Abstract
    Numerous medical operations employ blood transfusions, requiring X-ray irradiated blood for safety concerns. Current irradiation techniques can be significantly improved by replacing standard visual indicators with wireless dosimeter tags that automate the process, reducing inefficiencies and eliminating blood wastage. A key requirement of the proposed dosimeter tag is flexible and efficient antennas that can be mounted on blood bags. This paper presents the design of a low-cost inkjet-printed dipole antenna on flexible Kapton substrate for a 2.45 GHz RFID dosimeter tag. The tag is to be used in a lossy blood environment, which can severely affect antenna radiation performance. To mitigate this, the concept of artificial magnetic conductor (AMC) unit cells is investigated for best impedance and gain performance. When integrated with a dipole radiator, the fabricated AMC-backed antenna maintains broadside radiation with gains of 4.1 dBi to 4.8 dBi under planar and bending conditions, and on a lossy blood bag. In a rectenna configuration, the antenna can power sensors for ranges up to 1m. Measured output dc voltages up to 1.7 V are achieved across a 25 kΩ resistor. This antenna design is flexible, compact, efficient on lossy structures and suitable for direct integration with biomedical sensing chips.
    Citation
    Sanusi, O. M., Ghaffar, F. A., Shamim, A., Vaseem, M., Wang, Y., & Roy, L. (2019). Development of a 2.45 GHz Antenna for Flexible Compact Radiation Dosimeter Tags. IEEE Transactions on Antennas and Propagation, 67(8), 5063–5072. doi:10.1109/tap.2019.2911647
    Sponsors
    This work was supported in part by NSERC and Best Medical Canada Ltd.
    Publisher
    Institute of Electrical and Electronics Engineers (IEEE)
    Journal
    IEEE Transactions on Antennas and Propagation
    DOI
    10.1109/TAP.2019.2911647
    Additional Links
    https://ieeexplore.ieee.org/document/8692375/
    https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=8692375
    ae974a485f413a2113503eed53cd6c53
    10.1109/TAP.2019.2911647
    Scopus Count
    Collections
    Articles; Electrical Engineering Program; Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division

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