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Fibre optic communication system design guides -- Characterization of the quality of optical vector-modulated signals with the error vector magnitude
The purpose of this part of IEC 61282 is to define the error vector magnitude (EVM) as a metric for quantifying the quality of an optical vector-modulated (modulation of phase and possibly magnitude) signal from a transmitter or optical transmission link.
The considerations required for reproducible measurement results are detailed.
The relationships with other related parameters from constellation diagram analysis like error vector, phase error, magnitude error, I-Q offset, and time-resolved EVM are described, as well as the relationship between EVM and Q-factor.
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