Dual-Polarized Textile Antenna for Full-Duplex Wearable Applications

In this article, an ultra-wideband, dual-port, textile antenna on jeans substrate has been designed and simulated for wearable and MIMO applications. The antenna consists of a partial ground plane on which a square shape has been cut out from the corner. It gives very wide bandwidth ranging from 1.58 GHz to 10.08 GHz and achieves isolation at least −11 dB throughout the operating band. The design has been done on 1.8 mm jeans substrate having dielectric constant 1.67. When ports are excited individually for both the polarizations, the gain of 2.73 dBi, 3.52 dBi, and 5.27 dBi is obtained at 3.5 GHz, 6 GHz, and 10 GHz, respectively. In addition to isolation between the ports, envelope correlation coefficient (ECC) and diversity gain have been calculated. The antenna is made out of a textile material, and as a result, it has a high level of structural flexibility and manufacturing precision. Using the Finite Integral Technique (FIT) numerical method, the provided two-port antenna structure is examined, investigated, and optimized.