Design And Analysis of A Compact Slotted Patch antenna with Enhanced Bandwidth and Harmonic Suppression for WLAN Applications
Journal Title: International Journal of engineering Research and Applications - Year 2018, Vol 8, Issue 8
Abstract
A single-layer a compact microstrip-fed Slotted patch antenna with capabilities of both bandwidth enhancement and harmonic suppression is proposed. For this purpose, a pair of λ/4 microstripline resonators is introduced and coupled in proximity to a cross slits rectangular patch. The Size reduction is obtained by using plus slits introduced in middle of rectangular patch and the wideband property can be obtained by making effective use of the two resonances introduced by the radiating patch and nonradiating λ/4 resonators. Different from other reported dual-resonance patch antennas, the proposed antenna does not require the electrically thick substrate, so it has attractive low-profile property. Thanks to the good features of λ/4 resonators and capacitive feeding scheme, harmonic radiating modes of the patch antenna can be significantly suppressed as highly demanded in modern highly integrated communication systems. The working principle and design procedure are extensively described. Finally, a prototype antenna operating at 5.0 GHz is designed and fabricated. The Simulated results show that its bandwidth 470MHz is 3.5 times wider than that of the traditional insert-fed patch counterpart, and the harmful spurious radiation from other higher order radiating modes has been effectively suppressed. The measurement results are in close agreement with the simulation results.
Authors and Affiliations
Miss. Prajakta Asabe, Dr. Suresh Halhallli
Keywords
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- EP ID EP395021
- DOI 10.9790/9622-0808010812.
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