Interference detection in the uplink of a 5G NR-TDD network

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last updated：Dec 12, 2019

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You can identify interference sources and pinpoint their locations even in TDD networks!

In TDD networks, the same frequency is used for both downlink and uplink, which means that uplink signals and other existing signals can be masked by downlink signals. For technicians in the field, it is impossible to identify interference sources or pinpoint their locations using conventional spectrum measurements. However, by combining our compact yet highly efficient "R&S Spectrum Rider FPH" with a directional antenna, it is possible to identify and locate interference sources even in TDD networks. [Challenges] - Communication uplinks are more susceptible to interference than downlinks. - Uplink signals and other existing signals are masked by downlink signals. - It is impossible to identify interference sources or pinpoint their locations using conventional spectrum measurements. *For more details, please refer to the PDF document or feel free to contact us.

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【Solution】 ■ By using time-domain measurement (zero-span mode), you can visualize the slots of uplink and downlink. ■ Using a waterfall diagram makes it easy to identify interference signals. ■ By using a directional antenna, you can easily explore signals while listening to the tone of the measuring instrument. *For more details, please refer to the PDF document or feel free to contact us.