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Transmission Systems with Constant Output Power Amplifiers at Low SNR Values: a Generalized Droop Model

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Abstract

We propose a unified model of signal impairment aggregation with fixed-power amplifiers which captures ASE noise accumulation and its combination with nonlinearities. We numerically show discrepancies with AWGN- like models adapted to fixed-gain amplifiers at low SNR values.

© 2019 The Author(s)

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