Search Results for author: Zhiwei Liang

Found 7 papers, 3 papers with code

On the Performance of Multidimensional Constellation Shaping for Linear and Nonlinear Optical Fiber Channel

no code implementations17 Aug 2023 Bin Chen, Zhiwei Liang, Shen Li, Yi Lei, Gabriele Liga, Alex Alvarado

Multidimensional constellation shaping of up to 32 dimensions with different spectral efficiencies are compared through AWGN and fiber-optic simulations.

Analytical Model of Nonlinear Fiber Propagation for General Dual-Polarization Four-Dimensional Modulation Format

no code implementations14 Feb 2023 Zhiwei Liang, Bin Chen, Yi Lei, Gabriele Liga, Alex Alvarado

As an application of our model, we further study the effects of signal-noise interactions in long-haul transmission via the proposed model.

Analytical SNR Prediction in Long-Haul Optical Transmission using General Dual-Polarization 4D Formats

no code implementations2 Jun 2022 Zhiwei Liang, Bin Chen, Yi Lei, Gabriele Liga, Alex Alvarado

Nonlinear interference models for dual-polarization 4D (DP-4D) modulation have only been used so far to predict signal-signal nonlinear interference.

Short Range Correlation Transformer for Occluded Person Re-Identification

no code implementations4 Jan 2022 Yunbin Zhao, Songhao Zhu, Dongsheng Wang, Zhiwei Liang

However, the performance of vision transformer in extracting local features is inferior to that of convolutional neural network.

Person Re-Identification

CatGAN: Category-aware Generative Adversarial Networks with Hierarchical Evolutionary Learning for Category Text Generation

1 code implementation15 Nov 2019 Zhiyue Liu, Jiahai Wang, Zhiwei Liang

This paper proposes a category-aware GAN (CatGAN) which consists of an efficient category-aware model for category text generation and a hierarchical evolutionary learning algorithm for training our model.

Text Generation

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