Dual-Port Planar Antenna for Implantable Inductively Coupled Sensors

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Dual-Port Planar Antenna for Implantable Inductively Coupled Sensors. / Behfar, Mohammadhossein; Sydänheimo, Lauri; Roy, Shuvo ; Ukkonen, Leena.

In: IEEE Transactions on Antennas and Propagation, 2017.

Research output: Contribution to journal › Article › Scientific › peer-review

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@article{5e00a3cab3454da1be0e3a53f4f79335,

title = "Dual-Port Planar Antenna for Implantable Inductively Coupled Sensors",

abstract = "Passive implantable sensors have received considerable attention for wireless in vivo measurement of physiological parameters in challenging locations of the human body. They are considered promising alternatives to the existing catheter-based biomedical transducers and battery powered implants. In this study, we report a novel planar reader antenna for wireless interrogation of LC-based passive implantable sensors. The antenna utilizes two planar, electromagnetically isolated loops for wireless detection of the resonance frequency of the LC sensors. 2D and 3D versions of the antenna with the identical geometry were developed for a comparative study. A comprehensive analysis of the antenna together with in vitro evaluation of the antenna performance is presented. With the proposed antenna topology, the isolation level of 58 dB within the frequency range of 1-50 MHz, and at least 37 dB up to 100 MHz was achieved. The 3D version of the antenna demonstrated improved performance by the T/R isolation of at least 64 dB and 44 dB within the frequency bands of 1-50 MHz and 50-100 MHz, respectively.",

author = "Mohammadhossein Behfar and Lauri Syd{\"a}nheimo and Shuvo Roy and Leena Ukkonen",

year = "2017",

doi = "10.1109/TAP.2017.2754322",

language = "English",

journal = "IEEE Transactions on Antennas and Propagation",

issn = "0018-926X",

publisher = "Institute of Electrical and Electronics Engineers",

}

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TY - JOUR

T1 - Dual-Port Planar Antenna for Implantable Inductively Coupled Sensors

AU - Behfar, Mohammadhossein

AU - Sydänheimo, Lauri

AU - Roy, Shuvo

AU - Ukkonen, Leena

PY - 2017

Y1 - 2017

N2 - Passive implantable sensors have received considerable attention for wireless in vivo measurement of physiological parameters in challenging locations of the human body. They are considered promising alternatives to the existing catheter-based biomedical transducers and battery powered implants. In this study, we report a novel planar reader antenna for wireless interrogation of LC-based passive implantable sensors. The antenna utilizes two planar, electromagnetically isolated loops for wireless detection of the resonance frequency of the LC sensors. 2D and 3D versions of the antenna with the identical geometry were developed for a comparative study. A comprehensive analysis of the antenna together with in vitro evaluation of the antenna performance is presented. With the proposed antenna topology, the isolation level of 58 dB within the frequency range of 1-50 MHz, and at least 37 dB up to 100 MHz was achieved. The 3D version of the antenna demonstrated improved performance by the T/R isolation of at least 64 dB and 44 dB within the frequency bands of 1-50 MHz and 50-100 MHz, respectively.

AB - Passive implantable sensors have received considerable attention for wireless in vivo measurement of physiological parameters in challenging locations of the human body. They are considered promising alternatives to the existing catheter-based biomedical transducers and battery powered implants. In this study, we report a novel planar reader antenna for wireless interrogation of LC-based passive implantable sensors. The antenna utilizes two planar, electromagnetically isolated loops for wireless detection of the resonance frequency of the LC sensors. 2D and 3D versions of the antenna with the identical geometry were developed for a comparative study. A comprehensive analysis of the antenna together with in vitro evaluation of the antenna performance is presented. With the proposed antenna topology, the isolation level of 58 dB within the frequency range of 1-50 MHz, and at least 37 dB up to 100 MHz was achieved. The 3D version of the antenna demonstrated improved performance by the T/R isolation of at least 64 dB and 44 dB within the frequency bands of 1-50 MHz and 50-100 MHz, respectively.

U2 - 10.1109/TAP.2017.2754322

DO - 10.1109/TAP.2017.2754322

M3 - Article

JO - IEEE Transactions on Antennas and Propagation

JF - IEEE Transactions on Antennas and Propagation

SN - 0018-926X

ER -

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