Design and simulation of a Sierpinski Carpet Fractal PIFA for WLAN and HiperLAN application

Abstract

This paper describes the design and simulation of Sierpinski Carpet Fractal Planar Inverted F Antenna (PIFA) for WLAN and HiperLAN applications. Simulation of antenna is carried out using CST software; on a FR4 board with a substrate thickness of 1.6 mm and relative permittivity of 4.7. The antenna achieved satisfactory 10-dB impedance bandwidths, between the frequencies of 2341-2812 MHz and 5360-6154 MHz, which applies to Bluetooth, WLAN and HiperLAN applications. Performance of the proposed antenna is discussed in terms of reflection coefficient (S 11 ), radiation patterns, and gain. Analysis of the result indicated that the number of resonances increases linearly with the number of iteration.On the other hand, bandwidth produced is also largest at the highest resonance point. In the final design, the proposed first fractal iteration produced the desirable trade-off between bandwidth adequacy and resonating at the desired frequencies.

Design of multiband PIFA with low SAR value for all commercial mobile communication bands

“…As reported in the previously published studies , our PIFA has been compared to many of the PIFAs, which have been designed in previous studies. It has been observed, that our PIFA is more compact, high gain, good radiation efficiency, and low SAR than previous PIFAs publishing, which were listed as references to compare this antenna.…”

“…Therefore, PIFA antenna designs should be capable of covering the following frequency bands: GSM850 (824–896 MHz), GSM900 (880–960 MHz), GSM1800 (1710–1880 MHz), GSM1900 (1850–1990 MHz), UMTS (1920–2170 MHz), LTE2300 (2305–2400 MHz), WLAN2400 (2400–2484 MHz), LTE2500 (2500–2690 MHz), WLAN5200 (5150–5350) MHz, and WLAN5800 (5725–5825) MHz. As a result, it is observable that more and more frequency bands are in service and increasing demands for antenna designs that have multisystem in multiband, compact size, low profile, wide bandwidth, and built‐in structures are necessary . Moreover, there is a severe need for meeting the SAR standards and requirements due to health issues and standard regulations.…”