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<b>Abstract</b>— <p>We examined several widely used amplitude and phase modulation methods for classical signals for exchanging support information in the process of quantum key distribution in satellite-to-ground communication. Based on the communication channel modeling, we compare noise immunity and the useful information transmission rate for various types of modulation as the main characteristics of communication protocols.</p>

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Analysis of Modulation Methods for Optical Satellite-to-Ground Communication Systems

  • 期刊论文

  • 发表日期：

    2026年5月25日

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  • E. I. Ivchenko,
  • A. V. Khmelev,
  • V. L. Kurochkin

摘要

Abstract—

We examined several widely used amplitude and phase modulation methods for classical signals for exchanging support information in the process of quantum key distribution in satellite-to-ground communication. Based on the communication channel modeling, we compare noise immunity and the useful information transmission rate for various types of modulation as the main characteristics of communication protocols.