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High Gain Flat-Panel mmWave Antenna Array
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DOI：10.3390/s23239433.png)
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Abstract
En 中文
In the realm of mmWave communication and connectivity, integrating chips and antennas into a cohesive system is paramount. Given this, planar antenna arrays have become indispensable. In this article, we introduce a novel antenna array tailored for mmWave applications, characterized by its high directivity. Distinctively, this new array employs a flat-panel radiator, ensuring an augmented gain without necessitating additional superstrate layers. To validate its potency, a 4 x 4 flat-panel array with dimensions of 3.74 lambda 0 x 3.74 lambda 0 x 0.106 lambda 0 at 28 GHz including a ground plane was designed and tested for n257 band. The standalone array element exhibited a bandwidth of 20.6%, centered at 28.5 GHz. Furthermore, a 1 x 16 mmWave feed network was designed and amalgamated with the array elements to assess the comprehensive antenna performance. The measured peak gain of 21.3 dBi at 28.5 GHz was observed with the measured half power beamwidth of 15 degrees while the gain variation within the operation band was less than 3 dB.
Keywords:
flat-panel antenna array
high gain antenna
mmWave antenna
mmWave antenna array
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