high gain and high efficient stacked antenna array with integrated horn for 60 ghz communication systems
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ID: 152191
2014
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Abstract
In order to achieve wide bandwidth and high gain, we propose a stacked antenna structure having a microstrip aperture coupled feeding technique with a mounted Horn integrated on it. With optimized parameters, the single antenna element at a center frequency of 60 GHz, exhibits a wide impedance bandwidth of about 10.58% (58.9–65.25 GHz) with a gain and efficiency of 11.78 dB and 88%, respectively. For improving the gain, we designed a 2 × 2 and 4 × 4 arrays with a corporate feed network. The side lobe levels were minimized and the back radiations were reduced by making use of a reflector at λ/4 distance from the corporate feed network. The 2×2 array structure resulted in improved gain of 15.3 dB with efficiency of 83%, while the 4×4 array structure provided further gain improvement of 18.07 dB with 68.3% efficiency. The proposed design is modelled in CST Microwave Studio. The results are verified using HFSS, which are found to be in good agreement.
| Reference Key |
vettikalladi2014internationalhigh
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|---|---|
| Authors | ;Hamsakutty Vettikalladi;Waleed Tariq Sethi;Majeed A. Alkanhal |
| Journal | american journal of physiology endocrinology and metabolism |
| Year | 2014 |
| DOI |
10.1155/2014/418056
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| URL | |
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