Element-level Phase Measurement and Calibration of Array Antenna for mmWave 5G Communications

被引：1
|
作者：
Hwang, In-June [1 ]
Hong, Young-Pyo [1 ]
Park, Jeong-Il [1 ]
机构：
[1] Korea Res Inst Stand & Sci, Div Phys Metrol, Electromagnet Wave Metrol Grp, Daejeon, South Korea
来源：
2022 INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION (ISAP) | 2022年
关键词：
calibration; electro-optic (EO) probe; near-field measurement; mmWave 5G communications; phased array antenna;
D O I：
10.1109/ISAP53582.2022.9998694
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
As millimeter-wave(mmWave) 5G communication is actively developed, the importance of measurement to verify its quality is emerging. In the mmWave phased array antenna, a phase deviation may occur between antennas due to manufacturing tolerances of active/passive elements, which may degrade beamforming performance. We proposed a method for measuring the element-level phase through an electro-optic(EO) probe-based measurement platform developed by KRISS. The phases of individual elements of the 28 GHz 4x1 patch antenna were measured at high speed. Antenna performance before and after calibration was compared and analyzed.
引用
收藏
页码：497 / 498
页数：2
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