Design of wearable textile antenna with various substrate and investigation on fabric selection

In field of wearable technology one challenging improvement is wearable textile antenna. Primary requirement for wearable textile antennas are flexible construction materials which includes fabric with planar structure. Properties of the textile antenna such as bandwidth, efficiency, input impedance etc. depend upon type of substrate materials used. These properties are mostly determined by the substrate dielectric constant. Fabric material dielectric constant accurate value is to be calculated from resonant frequency of patch antenna. In this paper, rectangular microstrip patch antenna with different materials like cotton, polyester, lycra, cordura with different dielectric properties is design mathematically and simulated using IE3D software. Its influences on antenna parameters are investigated for designing of textile antenna with good efficiency.