Spatial diversity antenna for WLAN application

This article presents a novel printed diversity planar monopole antenna integrated on a PCMCIA network card with minimized the mutual coupling for WLAN application at the 5 GHz bands (5150–5350 and 5725–5875 MHz). The proposed diversity antenna is printed on FR‐4 substrate and small size enough to be embedded in the laptop computer. Optimizing the separation distance and antenna parameters with use of two slots on a ground, the good isolation performance (less than −20 dB) between the two printed monopole antennas is achieved. The proposed diversity antenna has an impedance bandwidth of 2360 MHz ranging from 4520 to 6889 MHz (S11 < −10 dB). There is a good agreement between the simulated and measured results. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 1290–1294, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22414