泰国移动通信行业无源互调的发生及故障排除

2020 6th International Conference on Engineering, Applied Sciences and Technology (ICEAST) Pub Date : 2020-07-01 DOI:10.1109/iceast50382.2020.9165468

A. Chaisang, Sinchai Anantapreecha, S. Promwong

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引用次数: 0

摘要

本主题报告了在移动室内网络中可能发生的无源互调(PIM)。我们通过PIm测试发现并排除了这一现象。我们将PIM降低或调整到IEC 62037标准的可接受水平。本文首先介绍了PIM生成的基本原理和数学背景。PIM是由网络中所有结点的非线性特性引起的。当在同一非线性网络中发送两个或多个调制信号时，会产生PIM，降低信号质量。

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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The Occurrence of Passive Intermodulation and Troubleshooting in Thailand Mobile Industry

This topic report about Passive Intermodulation(PIM) that can occurred in mobile indoor networks. We findout and troubleshoot this phenomenon by PIm tester. We reduced or adjusted PIM to acceptable level of IEC 62037 standard. This paper first describe the basic principle that PIM can generated and the mathematics backgrounds. PIM is occurred from nonlinear characteristics of all junctions in the networks. When we send two or more modulated signals in the same nonlinear network, PIM occurred and reduced signal quality.

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2020 6th International Conference on Engineering, Applied Sciences and Technology (ICEAST)

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