对TARC参数进行深入的统计分析,以评估MIMO天线中随机阶段的实际影响
Angel Perez-Miguel1, Hildeberto Jardon-Aguilar1, Jose Alfredo Tirado-Mendez2
1Telecommunications Section, CINVESTAV-IPN, Av IPN 2508, San Pedro Zacatenco, Mexico City 07360, Mexico.
Sensors (Basel, Switzerland)
|July 12, 2025
概括
本研究以统计分析了MIMO天线的总活性反射系数 (TARC). 更高的端口隔离通过降低对随机信号相位变化的灵敏度来显著提高天线性能.
科学领域:
- 电气工程 电气工程
- 天线理论天线理论
- 无线通信无线通信
背景情况:
- MIMO天线对于现代无线系统至关重要.
- 在现实场景中,天线的性能取决于诸如端口隔离等因素.
- 传统的TARC分析使用有限的相组合.
研究的目的:
- 进行全面的统计分析的总活跃反射系数 (TARC).
- 为了评估TARC在4端口MIMO天线中的各种端口隔离级别的性能.
- 介绍和演示"TARC影子"概念用于性能可视化.
主要方法:
- 使用100万个相组合,对TARC进行统计分析.
- 用频率作为参数计算TARC概率密度函数 (PDF).
- 介绍"TARC影子"用于TARC的视觉表示PDF.
- 评估了三个具有不同隔离度的4端口MIMO天线 (12.9 dB,25.4 dB,37 dB).
主要成果:
- 确定每个频率的预期TARC值和90%置信区间 (ΔCITARC).
- 演示了用于可视化TARC行为的"TARC影子".
- 观察到,较高的端口隔离导致MIMO天线对随机相位变化不那么敏感.
- 强调港口隔离与稳定业绩的回报损失相比的重要性.
结论:
- 端口隔离对于在动态通信环境中强大的MIMO天线性能至关重要.
- TARC分析,特别是"TARC影子",提供了对天线行为更深入的见解.
- 统计TARC评估对于预测现实世界MIMO天线性能至关重要.
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