Bandwidth enhancement and size reduction of metamaterial patch antenna / Nursyahida Zainudin
A rectangular microstrip patch antenna with metamaterial property was proposed on a height of 0.75mm Rogers RO3003 substrate with nine squares of Electromagnetic Band Gap (EBG) structures on the ground plane. This combination was investigated for the metamaterial characteristics. This work is mainly...
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| Main Author: | |
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| Format: | Thesis |
| Language: | English |
| Published: |
2013
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| Subjects: | |
| Online Access: | https://ir.uitm.edu.my/id/eprint/81867/1/81867.pdf |
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| Summary: | A rectangular microstrip patch antenna with metamaterial property was proposed on a height of 0.75mm Rogers RO3003 substrate with nine squares of Electromagnetic Band Gap (EBG) structures on the ground plane. This combination was investigated for the metamaterial characteristics. This work is mainly focused on increasing the bandwidth of a low profile microstrip patch antenna, to reduce the size of the substrate and the patch. The patch antenna along with the EBG structure was designed to resonate at 2.5GHz for WiMax applications. Simulations have been carried out to verify the performance of the EBG structure. Both simulation and measurement works were done using Computer Simulation Technology Microwave Studio (CST-MWS) and Vector Network Analyzer (VNA), respectively. Metamaterial characteristics that exhibit a double negative permittivity and permeability have been verified using Nicolson-Ross-Weir (NRW) approach. The results show that the bandwidth was enhanced by 97.72% and the size of substrate and patch were reduced by 12.81% and 23.28%, respectively. |
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