Generation of Secret Key for Physical Layer to Evaluate Channel Characteristics in Wireless Communications
This work addresses security challenges in wireless communications for applications requiring secure key exchange, but it appears incremental as it focuses on comparing existing schemes rather than introducing a new method.
The paper tackles the problem of generating secret keys for physical layer security in wireless communications by analyzing two classes of key generation schemes based on received signal strength and channel phase, comparing their performance in terms of key disagreement probability, key generation rate, and other metrics.
This manuscript aims to generate a secret key for a PHY layer to evaluate the channel characteristics in wireless communications. An algorithmic approach is adopted for multimedia encryption to generate a secret key between two entities communicating with each other in a real time simulation environment such as MATLAB. Two classes of PHY key generation schemes are analyzed for designing the algorithm such as received-signal-strength-based and channel- phase-based protocols. We present a performance comparison of them in terms of key disagreement probability, key generation rate, key bit randomness, scalability, and implementation issues.