期刊
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
卷 63, 期 7, 页码 1892-1898出版社
WILEY
DOI: 10.1002/mop.32825
关键词
composite right/left-handed (CRLH) antenna; metamaterial (MTM); planar antenna; substrate integrated waveguide (SIW); wide bandwidth; wide bandwidth
资金
- Deanship of Scientific Research at Jouf University [DSR2020-06-3684]
This study presents a technique to enhance the radiation gain and efficiency of metamaterial inspired planar antenna for sub-6 GHz wireless communication systems. By embedding a column of metallic vial between the metamaterial unit-cells, the performance of the antenna is shown to improve, resulting in a gain and efficiency enhancement.
This paper shows a technique to enhance the radiation gain and efficiency of metamaterial (MTM) inspired planar antenna using substrate integrated waveguide (SIW) technology for sub-6 GHz wireless communication systems. The antenna consists of MTM unit-cells comprising series interdigital-capacitor and short-circuited spiral stub. The proposed antenna behaves like a leaky wave antenna. In the transmission mode the input signal propagating along the antenna structure and leaks energy. The performance of the antenna is shown to enhance by embedding a column of metallic vial between the MTM unit-cells. This technique has no impact on the size of the antenna. The antenna was constructed on a standard FR4 dielectric substate. It had dimensions of 23.2x6.4x0.8 mm(3) and had a wide operational frequency range 1.8 GHz from 3.0-4.8 GHz. After applying SIW the average gain and efficiency of the antenna were 5.8 dBi and 78%, respectively, which is an improvement of 2 dBi and 21% across 3-4.8 GHz.
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