Abstract
This paper employs a v-shaped slot as a radiator on substrate-integrated waveguide for smart healthcare applications. The two-slot arms are placed with an angle of 110° for radiation at the operating 5.8 GHz frequency. The proposed modified v-shaped slot substrate-integrated waveguide (MVSIW) antenna uses jeans as the dielectric substrate with a relative dielectric constant of 1.6 and a loss tangent of 0.025. The top and bottom layers of the substrate-integrated waveguide cavity are realized using electro textiles. The brass eyelets are deployed as metallic vias to create the perfect electric wall in the substrate-integrated waveguide structure. The proposed MVSIW antenna is constructed using materials that enable high flexibility for wearable applications. The proposed MVSIW antenna has been analyzed and investigated for the parameters such as reflection coefficient, Z-parameters, and radiation pattern. The proposed MVSIW antenna has a bandwidth of about 150 MHz (5.75 GHz to 5.9 GHz frequency). The proposed MVSIW antenna illustrates good co- and cross-polarization with 4 dB gain, which is suitable for short communication in smart healthcare applications. The MVSIW antenna prototype is fabricated using jeans material, and the measurement results of the hardware prototype are validated using a vector network analyzer (VNA).
Published Version
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