Reconfigurable Intelligent Surface Assisted Multi-User Communications: How Many Reflective Elements Do We Need?

Keyphrases

• Reconfigurable Intelligent Surface 100%
• Multi-user Communications 100%
• Reflective Elements 100%
• System Sum Rate 60%
• Numerical Results 20%
• Communication Efficiency 20%
• Signal-to-noise Ratio 20%
• Received Signal 20%
• Favorable Propagation 20%
• Asymptotic Capacity 20%
• Zero-forcing Precoding 20%
• Fundamental Relation 20%

Engineering

• Multiuser 100%
• Signal-to-Noise Ratio 50%
• Propagation Condition 50%
• Zero Forcing Precoding 50%
• Fundamental Relation 50%
• Acceptable System 50%

Computer Science

• User Communication 100%
• sum rate 100%
• Noise-to-Signal Ratio 33%
• precoding 33%
• Propagation Condition 33%