Superimposed training-based channel estimation and data detection for OFDM amplify-and-forward cooperative systems under high mobility

Engineering

• Cooperative 100%
• Orthogonal Frequency Division Multiplexing 100%
• Channel Estimation 100%
• Mean Square Error 66%
• Simulation Result 33%
• Channel State Information 33%
• Joints (Structural Components) 33%
• Closed Form 33%
• Detection Performance 33%
• Subcarrier 33%
• Least Square 33%
• Iterative Algorithm 33%
• Spectral Efficiency 33%
• Perfect Channel 33%
• Detection Algorithm 33%
• Regularization 33%
• Square Method 33%

Keyphrases

• Training-based Channel Estimation 100%
• Superimposed Training 100%
• Channel Estimator 40%
• Joint Channel Estimation 20%
• Inference Approach 20%
• Data-dependent Superimposed Training 20%
• Variational Inference 20%
• Unknown Data 20%
• Error Data 20%
• Data Detector 20%

Computer Science

• cooperative system 100%
• Tikhonov Regularization 20%