Dual-Wideband Patch-Slot Loop Textile Antenna for WBAN/WiFi/LTE Applications

Abstract

This work presents a textile antenna with dual- wideband performance for wearable wireless communications. The patch-slot loop structure was developed to obtain two wide operating bands, in which a slot loop was cut on the ground plane underneath the patch. The top patch acts as a wideband radiating element at the upper operating band, while the slot loop is fed by the top patch to excite a wideband resonance at the lower operating band. A copper-plated polyester fabric was used for fabricating antenna radiator and ground plane. An insulating neoprene fabric with a permittivity of 1.5 was used for preparing the substrates. The proposed antenna can achieve gains of 4.21/6.45 dBi at 2.58/5.34 GHz with wide bandwidths of 15.9/11.4 %, respectively.