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Design and Implementation of Compact Printed Dual-Polarized Antennas for Millimeter Wave Applications
millimeter wave,high isolation,multi-beam,antenna diversity,phased array,MIMO,beamforming,
|Publication Year :||2016|
This thesis presents two kinds of printed dual-polarized antennas with a maximum radiation in the broadside direction and the end-fire direction, respectively. Furthermore, an integrated design of compact dual-polarized multi-beam antenna is proposed for millimeter-wave (mmW) multiple input multiple output (MIMO) applications. The advantages of massive MIMO and antenna diversity technology are discussed, where the key factors in future cellular communication are emphasized. A dual-polarized aperture antennas with a backed cavity for the broadside radiation is presented, followed by a dual-polarized quasi-Yagi antennas for the end-fire radiation operation. Both of the proposed antennas are designed on PCB with features of unidirectional pattern, high gain, and high efficiency. By the dual-polarized design, we integrated the antennas of two different polarizations into the same area, leading to a 50% size reduction. A 41 phased array antenna is also presented for the beamforming technology, specifically for the enhanced signal to noise ratio (SNR) and the steerable radiation patterns. Additionally, we also proposed an integrated design combining the broadside radiation antenna and the end-fire radiation antenna in a very compact volume. The proposed compact printed dual-polarized multi-beam antenna is very suitable for mmW mobile communications with MIMO systems of hybrid beamforming.
|Appears in Collections:||電信工程學研究所|
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