Chaos-Based Interleave Division Multiple Access Scheme with Physical Layer Security. - Mamoru Okumura; Kaga Tomoki; Eiji Okamoto; Tetsuya Yamamoto (CCNC, 2021)

Multi-Level Encrypted Transmission Scheme Using Hybrid Chaos and Linear Modulation. - Kaga Tomoki; Mamoru Okumura; Eiji Okamoto; Tetsuya Yamamoto (IEICE Trans. Commun., 2022)

Performance Improvement of Radio-Wave Encrypted MIMO Communications Using Average LLR Clipping. - Mamoru Okumura; Keisuke Asano; Takumi Abe; Eiji Okamoto; Tetsuya Yamamoto (IEICE Trans. Commun., 2022)

High-Quality Secure Wireless Transmission Scheme Using Polar Codes and Radio-Wave Encrypted Modulation. - Keisuke Asano; Mamoru Okumura; Takumi Abe; Eiji Okamoto; Tetsuya Yamamoto (IEICE Trans. Commun., 2023)

Demonstration of Chaos-Based Radio Encryption Modulation Scheme through Wired Transmission Experiments. - Kenya Tomita; Mamoru Okumura; Eiji Okamoto (IEICE Trans. Commun., 2023)