Probabilistic Shaping for Finite Blocklengths: Distribution Matching and Sphere Shaping [PDF]
Entropy, 2020 In this paper, we provide a systematic comparison of distribution matching (DM) and sphere shaping (SpSh) algorithms for short blocklength probabilistic amplitude shaping. For asymptotically large blocklengths, constant composition distribution matching (
Yunus Can Gültekin +3 more
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Hybrid Constellation Shaping 64QAM Based on Hexagonal Lattice of Constellation Subset
Photonics, 2023 Increasing demand for higher-speed and large-capacity data communications has driven the development of constellation shaping technology. This paper proposes a hybrid constellation shaping scheme for 64-quadrature amplitude modulation (64QAM) based on ...
Xiangyu Liu +7 more
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Mutual Information Neural-Estimation-Driven Constellation Shaping Design and Performance Analysis [PDF]
EntropyThe choice of constellations largely affects the performance of both wireless and optical communications. To address increasing capacity requirements, constellation shaping, especially for high-order modulations, is imperative in high-speed coherent ...
Xiuli Ji +3 more
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Simple constellation shaping for BICM-ID
Tongxin xuebao, 2015 A novel method of constellation mapping is presented for bit-interleaved coded modulation (BICM) by combining geometry shaping with probabilistic shaping.The transmitted signal points of a practical signal constellation approach the optimal input ...
Qi LI, Lin ZHOU, Bo ZHANG, Bao-ming BAI
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Designand Implementation of a Novel Wideband HF Communication System Based on NC-OFDM and Probabilistic Shaping [PDF]
SensorsThis paper proposes a novel wideband high-frequency (HF) communication system supporting video transmission based on non-contiguous orthogonal frequency division multiplexing (NC-OFDM) and probabilistic shaping (PS).
Rifei Yang, Yong Bai, Zhuhua Hu
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The influence of constellation virtual community atmosphere on blogger trust and constellation infatuation behavior [PDF]
BMC PsychologyWith the rapid development of social media, astrology-related virtual communities have gained significant popularity in China. However, the mechanisms behind the formation of astrological addiction behaviors within virtual communities remain largely ...
Qingxia Li +3 more
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Sensitivity Gains by Mismatched Probabilistic Shaping for Optical Communication Systems [PDF]
, 2015 Probabilistic shaping of quadrature amplitude modulation (QAM) is used to enhance the sensitivity of an optical communication system. Sensitivity gains of 0.43 dB and 0.8 dB are demonstrated in back-to-back experiments by shaping of 16QAM and 64QAM ...
Alvarado, Alex +5 more
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Probabilistic Constellation Shaping for Molecular Communications
IEEE Transactions on Communications, 2023 Molecular communication (MC) is an emerging field aiming at realizing information exchange via chemical signals between nanomachines in nanonetworks. Information transmission that is energy-efficient and relies on relatively low-complexity transceiver techniques is of practical importance for MC systems. Based on the fact that constellation shaping can
Yuankun Tang +5 more
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Performance of combined constellation shaping and bit interleaved coded modulation with iterative decoding (BICM-ID) [PDF]
Advances in Radio Science, 2011 The increasing demand of achieving high data rates in modern communication systems requires highly efficient bandwidth utilization. For this purpose, multilevel modulation schemes are used in association with forward error correction (FEC) codes in order
T. Arafa, W. Sauer-Greff, R. Urbansky
doaj +1 more source
Performance-Enhanced DMT System With Joint Precoding and Probabilistic Constellation Shaping
IEEE Photonics Journal, 2021 The promising solution for short-reach optical communication, discrete multitone (DMT) system suffer from high peak-to-average power ratio (PAPR).
Tianhao Tong +6 more
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