Secure relaying: Can publicly transferred keys increase degrees of freedom?

Keyphrases

• Almost Surely 50%
• Amplify-and-forward Protocol 50%
• Amplify-and-forward Scheme 50%
• Antenna 50%
• Conventional Relaying 50%
• Degrees of Freedom 100%
• Direct Sources 50%
• Eavesdropper 50%
• Half-duplex Relay 50%
• High Signal-to-noise Ratio 50%
• Known Interference 50%
• Legitimate Node 50%
• Multiple Antennas 50%
• Random Key 50%
• Relay System 50%
• Relaying Protocol 50%
• Scaling Rule 50%
• SDoF 50%
• Secrecy Rate 100%
• Secure Communication 50%
• Signal-to-noise Ratio 50%
• Single Antennas 50%
• Superior Performance 50%
• Wireless Media 50%
• Wiretapper 50%

Computer Science

• amplify-and-forward 100%
• Antennas 100%
• Legitimate Node 50%
• Multiple Antenna 50%
• Secure Communication 50%
• Signal-to-Noise Ratio 100%
• Superior Performance 50%
• Wireless Medium 50%