Textile artificial magnetic conductor waveguide sheet with wire dipoles for body centric communication

A textile Artificial Magnetic Conductor (AMC) sheet-like waveguide with wire dipoles were designed to investigate the possibility of improving transmission between antennas. The textile AMC sheet is made of fleece fabric with conductive patches and ground plane made of SHIELDIT fabric. The AMC surface is designed to have in-phase reflection at 2.45GHz with the objective to enhance the transmission between antennas. The S-parameters performance of the two antennas with textile AMC sheet was investigated thoroughly. The effect of different antennas’ placement and distance was also considered. Measurements were conducted rigorously to validate the simulated findings. Results show that the S21 transmission between antennas improved significantly when having the AMC waveguide sheet beneath them. Directive radiation pattern with high gain was also achieved with the proposed AMC sheet-like waveguide.

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