How to Measure Signal Quality in 5G Private Networks

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UXA Signal Analyzer
+ UXA Signal Analyzer
UXA Signal Analyzer
+ UXA Signal Analyzer

Measuring EVM for signal quality in 5G private networks

Measuring base station transmitter signal quality requires addressing high-frequency and wide-bandwidth testing challenges, especially in millimeter-wave (mmWave) applications. The test system for the error vector magnitude (EVM) measurement as a critical signal analysis metric, needs to address excessive path loss, wideband noise, and frequency errors, which contribute to signal quality distortion, phase noise, and modulation errors.

The test system needs to include a low-noise amplifier (LNA) at the front-end of the signal analyzer to reduce the system noise figure and optimize the mixer's input level. This makes it an ideal solution for accurate and reliable signal quality measurement in 5G private network base station transmitters, for both 5G new radio (NR) frequency range 1 (FR1) and FR2 applications.

5G private network signal quality test solution

Testing signal quality for 5G private networks at high frequencies and wide bandwidths requires EVM measurement. The Keysight 5G private network signal quality test solution comprises the UXA and PXA signal analyzers (spectrum analyzers) with PathWave X-Series multi-touch applications and PathWave Vector Signal Analysis (89600 VSA) software. The solution enables testing at high frequency and wide bandwidths, up to 110 GHz frequency and 4 GHz bandwidth, in private network signal analysis for 5G NR FR1, FR2, and beyond.
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