Geometric Constellation Shaping for Concatenated Two-Level Multi-Level Codes

Computer Science

• Achievable Rate 50%
• Decoding Complexity 50%
• Learning Approach 50%
• Mutual Information 50%
• Performance Degradation 50%
• Performance Gain 50%
• Reduce Complexity 50%
• soft decision decoding 100%
• Wavelength Division Multiplexing 50%

Engineering

• Achievable Rate 25%
• Bit Error Rate 25%
• Bit-Interleaved Coded Modulation 75%
• Decoding Complexity 25%
• Distance Transmission 25%
• Fiber System 25%
• Learning Approach 25%
• Loss Function 100%
• Maximization 25%
• Mutual Information 25%
• Optical Fiber 25%
• Performance Degradation 25%
• Wavelength Division Multiplexing 25%

Keyphrases

• Least Reliable Bits 60%
• New Loss Function 20%
• Union Bound 20%