Results 1 to 10 of about 14,141 (110)
A Nonbinary LDPC-Coded Probabilistic Shaping Scheme for a Rayleigh Fading Channel [PDF]
Entropy, 2022 In this paper, a novel, nonbinary (NB) LDPC-coded probabilistic shaping (PS) scheme for a Rayleigh fading channel is proposed. For the NB LDPC-coded PS scheme in Rayleigh fading channel, the rotation angle of 16 quadrature amplitude modulation (QAM ...
Weimin Kang
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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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4Gbaud PS-16QAM D-Band Fiber-Wireless Transmission over 4.6 km by Using Balance Complex-Valued NN Equalizer with Random Oversampling [PDF]
Sensors, 2023 D-band (110–170 GHz) is a promising direction for the future of 6th generation mobile networks (6G) for high-speed mobile communication since it has a large available bandwidth, and it can provide a peak rate of hundreds of Gbit/s.
Tangyao Xie, Jianguo Yu
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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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IEEE Photonics Journal, 2023 In this article, trellis-coded modulation-enabled probabilistic shaping (TEPS) scheme with a simplified Viterbi decoder is proposed. Trellis-coded modulation (TCM) is embedded in the probabilistic shaping (PS) technique to improve the performance of PS ...
Han Cui +5 more
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Nonbinary ldpc-coded probabilistic shaping scheme for MIMO systems based on signal space diversity
Digital Communications and Networks, 2023 This paper first describes a binary Low-Density Parity-Check (LDPC)-coded Probabilistic Shaping (PS) scheme for Multiple-Input Multiple-Output (MIMO) systems based on Signal Space Diversity (SSD).
Weimin Kang
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End-to-End Learning of Constellation Shaping for Optical Fiber Communication Systems
IEEE Photonics Journal, 2023 End-to-end learning based on autoencoder can realize robust constellation shaping for optical fiber communications. The existing schemes use the symbol-wise autoencoder (SAE) or bit-wise autoencoder (BAE) to realize the constellation shaping.
Wenshan Jiang +7 more
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IEEE Photonics Journal, 2022 In this paper, we propose a novel carrier-less amplitude/phase modulation with probabilistic shaping based on the Lorenz model and superposition method (LS-PS-CAP).
Yu Gu +8 more
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An Uplink SCMA Codebook Design Combining Probabilistic Shaping and Geometric Shaping
IEEE Access, 2020 Sparse Code Multiple Access (SCMA) is a promising non-orthogonal multiple access scheme owning to the shaping gain of its multi-dimensional codebook. Most of the existing designs of the codebook are based on geometric shaping (GS), while probabilistic ...
Chengxin Jiang, Yafeng Wang
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IEEE Photonics Journal, 2023 In this letter, we propose a novel and straightforward scheme for Q-band (33–50 GHz) millimeter-wave signal generation enabled by a Mach-Zehnder modulator (MZM)-based joint algorithm, which combines probabilistic shaping (PS) and precoding ...
Hengxin Yan +15 more
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