3 papers
cs.IT2025
Secret-Key Agreement Using Physical Identifiers for Degraded and Less Noisy Authentication Channels
Vamoua Yachongka, Hideki Yagi, Hideki Ochiai
Secret-key agreement based on biometric or physical identifiers is a promising security protocol for authenticating users or devices with small chips due to its lightweight securit…
cs.IT2025
Outer Bounds on the CEO Problem with Privacy Constraints
Vamoua Yachongka, Hideki Yagi, Hideki Ochiai
We investigate the rate-distortion-leakage region of the Chief Executive Officer (CEO) problem, considering the presence of a passive eavesdropper and privacy constraints. We start…
cs.IT2024
Performance Analysis of Indoor VLC Network with Secure Downlink NOMA for Body Blockage Model
Tianji Shen, Vamoua Yachongka, Yuto Hama +1
In this work, we investigate the performance of indoor visible light communication (VLC) networks based on power domain non-orthogonal multiple access (NOMA) for mobile devices, wh…