Broad Band Aperture Coupled Microstrip Antenna with Dual Feed and Three Feed Technique

Micro strip patch antennas have been widely used in a various useful applications, due to their low weight and low profile, conformability, easy and cheap realization. The multi feeding techniques is used to increase the impedance bandwidth and to improve the radiation performance of micro strip antennas. In this paper, an attempt has been made to investigate proposed micro strip antenna structure i.e. the broadband aperture coupled Micro strip antenna, using dual feed (with and without E shaped patch and equal and unequal slot) and three feed technique. The simulation results of the broadband antenna and comparison of different types of antenna structure is described. HFSS are used for the simulation and design calculations of the micro strip antennas. The return loss, VSWR and radiation pattern are evaluated. Using HFSS simulation software proposed antenna is designed/simulated and optimized. The effectiveness of the proposed designs is confirmed through proper simulation results.