A rigorous link performance and measurement uncertainty assessment for MIMO OTA characterisation.

Min Wang, T. Loh, D. Cheadle, Yongjiu Zhao, Yonggang Zhou
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引用次数: 1

Abstract

In this paper, a rigorous link performance test for MIMO OTA (multiple-input-multiple-output over-the-air) characterisation with traceable signal-to-interference-plus-noise ratio (SINR) is presented. Measurements were made with three different testbeds which represent the 4G (fourth-generation) LTE (long term evolution) SISO (single-input-single-output), 4G LTE MIMO and 5G (fifth-generation) millimetre-wave (mm-wave) MIMO communication systems, respectively, in the small antenna radiated test (SMART) screened fully anechoic chamber, screened control room and reverberation chamber at the UK National Physical Laboratory (NPL). The measurement campaign comprised of automated data acquisition of channel power, downlink (DL) & uplink (UL) error vector magnitude (EVM) and throughput. The measurement repeatability has been assessed with standard deviation plotted as error bars and the uncertainty sources in the OTA test are analysed.
对MIMO OTA特性进行严格的链路性能和测量不确定度评估。
本文提出了一种具有可跟踪信噪比(SINR)的MIMO OTA(空中多输入多输出)特性的严格链路性能测试方法。采用代表4G(第四代)LTE(长期演进)SISO(单输入单输出)、4G LTE MIMO和5G(第五代)毫米波MIMO通信系统的三个不同测试平台,分别在英国国家物理实验室(NPL)的小天线辐射测试(SMART)屏蔽全消声室、屏蔽控制室和混响室中进行了测量。测量活动包括信道功率、下行链路(DL)和上行链路(UL)误差矢量幅度(EVM)和吞吐量的自动数据采集。以标准差为误差条对测量的重复性进行了评价,并对OTA试验中的不确定度来源进行了分析。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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