Design of a compact patch antenna with bandwidth and efficiency improvement for UWB applications

The demand of small, lightweight and high effectiveness antennas has increased significantly with the development communication technologies. Microstrip patch (MPAs) are one most widely used types antenna that can satisfy these requirements. MPAs have numerous benefits, including tiny size weight, ease fabrication, inexpensive. In addition to advantages, also some drawbacks such as limited bandwidth low efficiency. this paper, a compact rectangular microstrip employing hybrid technique (HT) is designed enhance efficiency its performance compared conventional antenna. HT formed by combining slotted defected partial ground structure. A low-cost FR-4_epoxy substrate material dielectric constant 4.4, thickness 0.8 mm loss tangent 0.02 make both designed. designed, analyzed simulated at operating frequency 6.85 GHz for ultra-wideband (UWB) (3.1-10.6GHz) applications using high-frequency structure simulator (HFSS) software. overall proposed 30 × 20 mm. 50 Ω feedline excite patch. outcomes simulation reveal suggested achieved 19.7 2.53 an 95.779% 92.296% respectively. recommended boosted in 17.17 (137.24%) 3.483% respectively traditional