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5G testing parameters | 5G test equipments Keysight

This page of 5G tutorial covers 5G testing parameters or features. It also mentions 5G test equipments from Keysight technologies.

The 5G device development requires testing at various stages starting from design phase till the final deployment phase. It involves tests at various protocol stack level of the 5G device. Following table lists out main test cases required to be done at various phases of 5G product life cycle.

5G testing test cases
Transmitter Conformance testing Power spectrum mask, transmit power vs time, CCDF, I/Q vs time
Receiver Conformance testing EVM, channel response, spectral flatness
Interoperability testing This tests ensures that 5G devices from one vendor will work with 5G devices from the other vendors in the network without any issues.
Network stability tests 5G system works without having any issues at long run during handover and other tests.
Inter-RAT tests This test ensures 5G device works well across all the RATs (Radio Access Technologies) for which it has been desiged for.
RF Related tests Other than the above, RF tests for 5G device such as phase noise, 1dB compression, third order intercept points, harmonics, spurious, noise figure, image rejection are only equally important to be performed.

One can refer conformance documents and other test case documents published by respective 5G standard bodies for more details.

Keysight 5G test equipments

Keysight 5G test equipments

The figure-1 depicts 5G test bed using Keysight equipments. Following table lists out all the 5G test equipments.

Keysight 5G test equipment Description
M8190A Arbitrary Waveform Generator which generates baseband IQ data
E8267D PSG signal generator, which takes IQ data as input and generates modulated IF output.
N5183 MXG Used to generate RF signal used as LO (Local Oscillator) input for both up converter and Down converter
DSO-Z634A (63 GHz Oscilloscope) Used as Oscilloscope, it analyzes the 5G signal in time domain
N9030A , N9040B Used as Signal Analyzer, used to analyze 5G signal in frequency domain

In addition to the above tools, 5G test bed requires, Waveform Creation Application Software and VSA application. Waveform Creation allows user to configure 5G baseband parameters (i.e. PHY and MAC frame related). VSA application allows user to analyze various baseband related parameters such as EVM, channel response, IQ impairments, power spectrum, CCDF etc.


This 5G tutorial also covers following sub topics on the 5G technology:
5G tutorial
Difference between 4G and 5G
5G network architecture
5G millimeter wave
5G channel sounding

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