CSI 压缩和预测
用于 CSI 反馈压缩和 CSI 预测增强的 AI
以下示例说明 5G 无线通信系统中用于信道状态信息 (CSI) 反馈压缩和 CSI 预测增强的 AI 技术。可利用这些示例逐步完成整个工作流，包括数据生成、数据准备、深度神经训练、压缩、系统测试以及部署。
主题
简介
- AI-Based CSI Feedback
End-to-end workflow for examples exploring channel state information (CSI) feedback compression techniques using artificial intelligence (AI) in 5G wireless communication systems. (自 R2026a 起)
数据生成
- Generate MIMO OFDM Channel Realizations for AI-Based Systems
Generate channel estimates to train an autoencoder for CSI feedback compression and temporal channel prediction. (自 R2026a 起)
数据准备
- Preprocess Data for AI-Based CSI Feedback Compression
Preprocess channel estimates and prepare a data set to train an autoencoder for CSI feedback compression. (自 R2025a 起) - Preprocess Data for AI Eigenvector-Based CSI Feedback Compression
Preprocess channel estimates and prepare a data set to train an autoencoder for eigenvector based CSI feedback compression. (自 R2026a 起) - Preprocess Data for AI-Based CSI Prediction
Preprocess channel estimates and prepare a data set to train a gated recurrent unit (GRU) channel prediction network. (自 R2026a 起)
模型训练
- Train Autoencoders for CSI Feedback Compression
Compress CSI feedback using an autoencoder neural network in a 5G NR communications system. (自 R2022b 起) - Train Transformer Autoencoder for Eigenvector-based CSI Feedback Compression
Train an autoencoder neural network with a transformer backbone to compress downlink CSI over a clustered delay line (CDL) channel. (自 R2026a 起) - CSI Feedback with Transformer Autoencoder
Design and train a convolutional transformer deep neural network for CSI feedback by using a downlink clustered delay line (CDL) channel model. (自 R2024b 起) - Optimize CSI Feedback Autoencoder Training Using MATLAB Parallel Server and Experiment Manager
Accelerate determination of the optimal training hyperparameters for a CSI autoencoder by using a Cloud Center cluster and Experiment Manager. (自 R2024a 起) - Offline Training and Testing of PyTorch Model for CSI Feedback Compression
Train an autoencoder-based PyTorch® neural network offline and test for CSI compression. (自 R2025a 起) - Online Training and Testing of PyTorch Model for CSI Feedback Compression
Train an autoencoder-based PyTorch neural network online and test for CSI compression. (自 R2025a 起) - Train PyTorch Channel Prediction Models
Train a PyTorch neural network for channel prediction by using data generated in MATLAB®. (自 R2025a 起) - Train PyTorch Channel Prediction Models with Online Training
Enable real‐time adaptation to time‐varying wireless channels by generating each training batch in MATLAB on-the-fly to train a PyTorch GRU channel prediction network online. (自 R2026a 起)
模型测试
- Test AI-based CSI Compression Techniques for Enhanced PDSCH Throughput
Measure physical downlink shared channel (PDSCH) throughput in a 5G New Radio (NR) system, with a primary focus on AI-based compression methods for CSI feedback. (自 R2026a 起)
部署
- CSI Feedback with Autoencoders Implemented on an FPGA (Deep Learning HDL Toolbox)
This example demonstrates how to use an autoencoder neural network to compress downlink channel state information (CSI) over a clustered delay line (CDL) channel. (自 R2024b 起)
