Articles with "probabilistic constellation" as a keyword



Practical Design of Probabilistic Constellation Shaping for Enhancing Performance of Physical Layer Security in Visible Light Communications

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Published in 2025 at "IEEE Transactions on Communications"

DOI: 10.1109/tcomm.2025.3529222

Abstract: This paper studies a practical design of probabilistic constellation shaping (PCS) for enhancing the performance of physical layer security in visible light communications (VLC). In particular, we consider a wiretap VLC channel employing a probabilistically… read more here.

Keywords: practical design; probabilistic constellation; constellation; design probabilistic ... See more keywords

Multi-User Visible Light Communications With Probabilistic Constellation Shaping and Precoding

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Published in 2025 at "IEEE Transactions on Communications"

DOI: 10.1109/tcomm.2025.3543208

Abstract: This paper proposes a joint design of probabilistic constellation shaping (PCS) and precoding to enhance the sum-rate performance of multi-user visible light communications (VLC) broadcast channels subject to signal amplitude constraint. In the proposed design,… read more here.

Keywords: probabilistic constellation; multi user; joint design; constellation shaping ... See more keywords

Optimal Probabilistic Constellation Shaping for Covert Communications

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Published in 2022 at "IEEE Transactions on Information Forensics and Security"

DOI: 10.1109/tifs.2022.3203310

Abstract: In this paper, we investigate the optimal probabilistic constellation shaping design for covert communication systems from a practical view. Different from conventional covert communications with equiprobable constellations modulation, we propose non-equiprobable constellations modulation schemes to… read more here.

Keywords: covert communications; optimal probabilistic; probabilistic constellation; rate ... See more keywords