Dual frequency new shaped microstrip patch antenna for Ku band applications

In this paper a compact single feed dual frequency microstrip patch antenna has proposed. Triangular slots are introduced in the three edges of the patch and a small feed line has used another edge of the patch to obtain the dual frequency. The antenna has a condensed structure where patch dimension is about 8.5×7.96×1.905 mm3 leading to good bandwidths covering 576 MHz and 540 MHz. Across the operating band in lower and higher frequency, stable average peak gain is observed. The radiation patterns are nearly omnidirectional with moderate gain in both the operating frequency. This low profile nature and simple configuration of the proposed antenna show the way to easy fabrication and make it appropriate for the application in wireless and satellite communication.