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Can the 89601B VSA analyzer clustered SC-FDMA signals?
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on Jul 11, 2011
on Jul 11, 2011 by tabbott
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I have an LTE-Advanced uplink signal with clustered SC-FDMA and I want to see how the peak to average ratio is compared to my LTE SC-FDMA signal. Can this be done?
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Jul 11, 2011 4:03 PM
Hi Gladys -
Yes, clustered SC-FDMA increases peak-to-average power ratio compared to pure SC-FDMA used in LTE, leading to transmitter linearity issues.
The 89601B LTE-Advanced modulation analysis option allows you to configure multiple clusters of PUSCH signal. You can then perform CCDF (Complementary Cumulative Distribution Function) measurement to quantify the peak-to-average power ratio, or crest factor.
The VSA software also allows you to make modulation quality measurement such as EVM and frequency error on a clustered SC-FDMA signal.
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