Impact of Probe Coupling on Emulation Accuracy in Massive MIMO OTA Testing

被引：0
|
作者：
Pei, Huiling [1 ]
Chen, Xiaoming [1 ,2 ]
Xue, Wei [1 ]
Zhang, Ming [1 ]
Svensson, Tommy [3 ]
机构：
[1] Xi An Jiao Tong Univ, Fac Elect & Informat Engn, Xian, Peoples R China
[2] Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Peoples R China
[3] Chalmers Univ Technol, Dept Elect Engn, S-41296 Gothenburg, Sweden
来源：
2020 14TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP 2020) | 2020年
基金：
中国国家自然科学基金;
关键词：
OTA testing; pre-faded signal synthesis (PFS); plane wave synthesis (PWS); coupling;
D O I：
暂无
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：
The sectored multi-probe anechoic chamber (MPAC) setup has been proposed in the literature for OTA testing of massive MIMO base stations (BSs). However, the previous studies assume ideal isotropic probes, i.e., the radiation patterns and mutual coupling among the probe antennas have not been considered. In this paper, the impact of the mutual coupling of realistic probes on the simulation accuracy of two popular channel emulation methods, i.e. the pre-faded signal synthesis (PFS) method and the plane wave synthesis (PWS) method in the sectored MPAC system is investigated. Our results show that the PFS method is more robust to mutual coupling than the PWS method.
引用
收藏
页数：4
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