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Reed-Solomon Coded Probabilistic Constellation Shaping for Molecular Communications
IEEE Communications LettersProbabilistic constellation shaping (PCS) is a promising technique employed in molecular communications, utilizing molecular shell mapping (MSM). However, the performance of MSM, particularly its bit error rate (BER), falls short when the exact channel ...
Yuankun Tang +5 more
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Constellation design with geometric and probabilistic shaping
Optics Communications, 2018Abstract A systematic study, including theory, simulation and experiments, is carried out to review the generalized pairwise optimization algorithm for designing optimized constellation. In order to verify its effectiveness, the algorithm is applied in three testing cases: 2-dimensional 8 quadrature amplitude modulation (QAM), 4-dimensional set ...
Shaoliang Zhang, Fatih Yaman
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Triple-Convex Probabilistic Constellation Shaping PAM8 in IM/DD System
IEEE Photonics Technology Letters, 2023A novel triple-convex 8-ary pulse amplitude modulation (TC-PAM8) probabilistic constellation shaping (PCS) scheme with bipolar symmetric alphabet is proposed in the intensity modulation/direct detection (IM/DD) system.
Zhongliang Sun +5 more
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Capacity-achieving probabilistic constellation shaping for unamplified coherent links
IET Conference Proceedings, 2023In unamplified coherent systems, the conventional use of Maxwell-Boltzmann (MB) in probabilistic constellation shaping is largely sub-optimal. We optimize the probability mass function for these systems, and experimentally show a link budget gain of 4.1 ...
B. M. Oliveira +5 more
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A Simplified Soft-demapping Scheme for Probabilistic Constellation Shaping
2024 IEEE International Conference on Communications Workshops (ICC Workshops)Probabilistic constellation shaping (PCS) improves the spectral efficiency by adjusting the probability distribution of the transmitted symbols to match the channel characteristics.
Yinhua Jia +5 more
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Task Importance-Oriented Probabilistic Constellation Shaping for 5G Uplink transmission
2023 IEEE 98th Vehicular Technology Conference (VTC2023-Fall), 2023In this paper, reliable uplink transmission by 5G is investigated for task importance-oriented communication. A novel application-layer probabilistic constellation shaping (AL-PCS) scheme is proposed to improve the reliable transmission of data bits ...
Kuangda Tian, Hao Wang
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Probabilistic Constellation Shaping: An Implementation Perspective
Optical Fiber Communication Conference (OFC) 2022, 2022This tutorial reviews recent advances in probabilistic constellation shaping (PCS) with particular focus on implementation perspectives. We analyze the complexity of several known shaping methods and discuss performance and complexity tradeoffs in different application scenarios.
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Probabilistic vs. Geometric Constellation Shaping in Commercial Applications
Optical Fiber Communication Conference (OFC) 2022, 2022We discuss performance and implementation aspects of geometric and probabilistic constellation shaping, which can be optimized for different applications. We show that symbol rate optimization with probabilistic shaping can further improve reach/capacity.
Olga Vassilieva +7 more
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Optics Letters, 2023
We propose a chaotic region-optimized probabilistic constellation shaping (CRPCS) scheme to enhance the security and the resistance to turbulence for free-space optical (FSO) communications.
Tingwei Wu +7 more
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We propose a chaotic region-optimized probabilistic constellation shaping (CRPCS) scheme to enhance the security and the resistance to turbulence for free-space optical (FSO) communications.
Tingwei Wu +7 more
semanticscholar +1 more source