Dual-Band Sierpinski Pre-Fractal Antenna for 2.4 GHz-WLAN and 800 MHz-LTE Wireless Devices

A compact dual-band antenna for WLAN applications and Long Term Evolution (LTE) services in the 800MHz band is designed. The compactness, the robustness, and the simplicity of the proposed solution make it suitable for the integration in recent and widely difiused mobile and multi-standard devices. The multiband behavior is yielded by exploiting a Sierpinski Gasket fractal shape whose descriptors are perturbed by means of a particle swarm optimization (PSO) strategy to flt the performance requirements. The results assess the good matching between numerical simulations and experimental validations as well as the efiectiveness of the prototype in reaching a suitable impedance matching and satisfactory radiation characteristics.

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