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Conferences > SPPCom > 2023 > SpM2E > SpM2E.3

Pseudo-Phase Noise Distributed Symbol Ciphered QAM Using Time-Spreading Joint-multiple Cipher Keys

Keiji Shimada, Masahiro Misumi, and Takahiro Kodama

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Abstract

A secure symbol-encrypted QAM with pseudo-phase noise distribution by time-spreading joint-multiple cipher keys have been proposed. We analytically show that an eavesdropper who does not know the time-spreading value can obtain only low mutual information.

© 2023 The Author(s)

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