Abstract
A novel dual-band aperture coupled microstrip antenna with corrugated ground plane is proposed to im- prove radiation performance in this letter. The dual-band operation is obtained by embedding an S-shaped slot in the radiating patch. To achieve the high gain and the reduced half power beam bandwidth (HPBW) for each frequency, the double- periodic corrugated ground plane is utilized. Both the simulation and measurement results show that the gain of the proposed antenna is increased by 4.7 dB and 5.6 dB at each frequency correspondingly and the half power beam width (HPBW) of E-plane is reduced by 140 degrees and 150 degrees, respectively.
Highlights
Microstrip antenna, dual-band, aperture coupled, corrugated ground plane the horn antenna with high gain and narrow radiated beam is obtained by a double-periodic corrugated metallic plate
Dual-band microstrip antenna is very suitable in modern communication systems and plays a vital role in many practical applications for its small size, low profile and light weight
The systems are desired to operate in two distinct frequencies efficiently [1] and a variety of dual-band microstrip antennas have been designed to satisfy the requirement [2,3,4]
Summary
Dual-band microstrip antenna is very suitable in modern communication systems and plays a vital role in many practical applications for its small size, low profile and light weight. Microstrip antenna, dual-band, aperture coupled, corrugated ground plane the horn antenna with high gain and narrow radiated beam is obtained by a double-periodic corrugated metallic plate.
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