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引用次数: 1
摘要
本文讨论了基于3GPP规范的FR2 MIMO OTA测试系统的有限测试量。目前的FR2 MIMO OTA测试系统支持直径20厘米的UE尺寸。然而，5G服务预计也将包括更大的设备，如平板电脑和小型显示器。我们表明，提高FR2 MIMO OTA系统性能的最佳方法是增加腔室尺寸，以支持1.75m的范围长度，而不是目前的0.75m范围长度。我们还讨论了测试体内部的误差因素，显示了测试体的边界如何支配误差。
This paper discusses the limited test volume of FR2 MIMO OTA test systems according to 3GPP specifications. The current FR2 MIMO OTA test system supports a 20 cm diameter UE size. However, 5G services are expected to include larger devices, such as tablets and small-scale monitors, as well. We show that the best way to improve the performance of the FR2 MIMO OTA system is to increase the chamber size to support a 1.75m range length instead of the current 0.75m range length. We also discuss the error factors inside the test volume, showing how the boundary of the test volume dominates the error.
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