Research on broadcast and TV system interference of 700 MHz band in 5G network

Peijin LYU; Yun LU; Xiaokang YANG; Dan YANG; Yiyan YIN; Zhengyi GUO

doi:10.11959/j.issn.1000-0801.2022274

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Research on broadcast and TV system interference of 700 MHz band in 5G network

Research and Development | 更新时间：2024-06-05

- Research on broadcast and TV system interference of 700 MHz band in 5G network
- Telecommunications Science Vol. 38, Issue 11, Pages: 106-112(2022)
- 作者机构：
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- DOI：10.11959/j.issn.1000-0801.2022274
  CLC： TN929.5
- Published Online：2022-11，
  
  Published：20 November 2022
- 稿件说明：
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Peijin LYU, Yun LU, Xiaokang YANG, et al. Research on broadcast and TV system interference of 700 MHz band in 5G network[J]. Telecommunications science, 2022, 38(11): 106-112.
DOI：

Peijin LYU, Yun LU, Xiaokang YANG, et al. Research on broadcast and TV system interference of 700 MHz band in 5G network[J]. Telecommunications science, 2022, 38(11): 106-112. DOI： 10.11959/j.issn.1000-0801.2022274.

摘要

在700 MHz频段5G网络运营中存在广播电视系统的同频干扰风险，严重影响网络性能。从广播电视系统的频率配置出发，首先，探讨了700 MHz频段5G网络受广播电视系统干扰的原理；然后，分析广播电视系统干扰特点，并针对这些特点提出了基于频域信息的广播电视系统干扰识别算法；最后，对算法识别的准确性进行测试验证，实现通过干扰识别支撑干扰优化、规避的目标。

Abstract

There is a risk of co-channel interference from broadcast TV systems in the operation of 5G networks in the 700 MHz band

which seriously affects the network performance.Firstly

from the frequency configuration of broadcast TV system

the principle of interference by broadcast TV system in 5G network in 700 MHz band was discussed.Then

the interference characteristics of broadcast TV system were analyzed

and the interference identification algorithm of broadcast TV system based on frequency domain information was proposed for these characteristics.Finally

the accuracy of the algorithm identification was tested and verified to achieve the goal of interference optimization and avoidance through interference identification.

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Keywords

references

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