3-16 LTE Signal Analyzer (Options 541 and 542) Verification Performance Verification 2
3-106 PN: 10580-00177 Rev. D MS2721B MM
3-16 LTE Signal Analyzer (Options 541 and 542) Verification
Introduction
The tests in this section verify the functionality of the LTE Signal Analyzer of the MS2721B Spectrum Master.
Option 541 is for RF Measurements, and Option 542 is for Modulation Measurements.
Tests are presented for the following LTE options:
• Channel Power Accuracy Verification
Channel power measures the average power within the selected bandwidth and is expressed in dBm.
• Residual EVM and Frequency Error Verification
EVM is the percent of all the error vectors (between the reconstructed ideal signals and the received
signals) divided by the RMS value of the ideal signals.
Frequency error is the difference between the measured carrier frequency and the specified carrier
frequency. This number is only as accurate as the frequency reference that is used, and is typically only
useful with a good external frequency reference or GPS.
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