Compact microstrip-fed antenna with band-stop characteristic for ultra-wideband applications

A novel compact and microstrip-fed antenna with band-stop characteristic for ultra-wideband applications is presented. By embedding a notch in the ground plane, the ultra-wideband property for the proposed antenna is achieved. To create a frequency band-stop characteristic, a simple U-shape slot is inserted into the radiating patch. The designed antenna has a stop-band of 4.92 to 5.86 GHz while maintaining wideband performance from 3.1 to 11.25 GHz for the return loss of less than −10 dB. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 47: 89–92, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21090