Design of Sierpinski carpet fractal antenna for super Wi-Fi application / Nursyuhaida Che Pazin

The design of low-profile antenna for Super Wi-Fi Application is presented in this paper. Technique in reducing the size of microstrip patch antenna (MPA) while maintaining the performances of designed antenna is proposed. The design Sierpinski carpet fractal (SCF) with and without Square Ring is presented in reducing the size of antenna. The reduced size antenna is compared with the conventional MP A getting from mathematical calculation parameter that operates at frequency of 800MHz. The SCF antenna is designed and simulated using CST Microwave Studio Version 2011 software. The SCF with and without Square Ring is fabricated on RT Duroid 6002 substrate'with dielectric constant (Er = 2.94) and the substrate thickness of (h = 1.524mm). The measurement process was done using the Vector Network Analyzer--(VNA) and Spectrum Analyzer. The conventional MPA is compared with SCF antenna. The size of SCF antenna reduced around 75% for the patch and 74.1 % for the substrate. With the defected of square ring, the size reduce by 80.2% for the patch and 74. 7% for the substrate. In addition, SCF antenna performances which are the return loss, frequency, bandwidth, radiation pattern, directivity and gain exhibit an accepted performance.