2.4 Ghz ISM频段LTE与Wi-Fi共存研究

2019 42nd International Conference on Telecommunications and Signal Processing (TSP) Pub Date : 2019-07-01 DOI:10.1109/TSP.2019.8769070

L. Polak, Jiří Miloš, J. Blumenstein, S. Rozum, Jan Kufa, M. Slanina, T. Fryza, T. Kratochvil

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引用次数: 4

摘要

宽带移动和无线网络对高数据速率的需求日益增长，促使提供商有效地利用广泛的无线电频率(RF)频谱，特别是在未经许可的频段。长期演进(LTE)电信业务在免许可GHz频段的扩展可能导致与无线保真度(Wi-Fi)网络共存的不希望出现的情况。本文对2.4GHz工业、科学和医疗频段的这些场景进行了研究。LTE系统对干扰的鲁棒性在物理层进行了评估。为此，分别测量和计算误差矢量幅度(EVM)和载波对干扰(C/I)值。实验室测量结果表明，LTE系统的鲁棒性高度依赖于干扰Wi-Fi网络中使用的特定IEEE 802.11技术。

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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On The Coexistence Of LTE And Wi-Fi In The 2.4 Ghz ISM Band

The increasing demand for high data rate in broadband mobile and wireless networks pushes providers to effectively utilize a wide range of radio frequency (RF) spectrum, especially in the unlicensed bands. The expansion of Long Term Evolution (LTE) telecommunication services in the license-free GHz bands can result in unwanted coexistence scenarios with the Wireless Fidelity (Wi-Fi) networks. This paper deals with the study of such scenarios in the 2.4GHz Industrial, Scientific and Medical band. The robustness of the LTE system against interferences is evaluated at the physical layer level. For this purpose, error vector magnitude (EVM) and carrier-to-interference (C/I) values are measured and calculated, respectively. The results of laboratory measurements show that the robustness of the LTE system is highly depending on the specific IEEE 802.11 technology used in the interfering Wi-Fi network.

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来源期刊

2019 42nd International Conference on Telecommunications and Signal Processing (TSP)

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