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NOT 567-2002-en

INTERPRETATION OF CONSTELLATION DIAGRAMS

Description: 

next you will find how different qam modulation errors can affect the ideal constellation for a good 64qam modulation.

these modulation error effects shown below can be applied to other order of qam. ideal constellation diagram

constellation diagram with amplitude imbalance

constellation diagram with phase error

constellation diagram with interferer

constellation diagram with leakage in i component

constellation diagram with additive noise

constellation diagram with phase jitter

Id Anrterior: 
91
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