| 2025 | VTC | Quantum-Native Formulation of Maximum Likelihood Detection in Random Access Channel with Overloaded MIMO. | Hyoga Iizumi, Naoki Ishikawa, Shunsuke Uehashi, Kota Nakamura, Akira Kurita, Masao Oga |
| 2025 | VTC | Quantum Speedup for Pilot Assignment Problems. | Taku Mikuriya, Kengo Ando, Kein Yukiyoshi, Giuseppe Thadeu Freitas de Abreu, Koji Ishibashi, Naoki Ishikawa |
| 2025 | VTC | Quantum-Assisted Maximum Likelihood Detection of Generalized Spatial Modulation. | Taku Mikuriya, Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu, Koji Ishibashi, Naoki Ishikawa |
| 2024 | ACSSC | AFDM Chirp-Permutation-Index Modulation with Quantum-Accelerated Codebook Design. | Hyeon Seok Rou, Kein Yukiyoshi, Taku Mikuriya, Giuseppe Thadeu Freitas de Abreu, Naoki Ishikawa |
| 2024 | VTC | Deep Neural Network Based Reduced-Complexity Detector for Grassmann Constellation. | Ryusei Baba, Hiroki Iimori, Chandan Pradhan, Szabolcs Malomsoky, Naoki Ishikawa |
| 2024 | VTC | Performance Analysis of Data-Carrying Reference Signal in Time-Varying Channels. | Taiki Kato, Hiroki Iimori, Chandan Pradhan, Szabolcs Malomsoky, Naoki Ishikawa |
| 2024 | VTC | Grover Adaptive Search for Maximum Likelihood Detection of Generalized Spatial Modulation. | Kein Yukiyoshi, Taku Mikuriya, Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu, Naoki Ishikawa |
| 2023 | VTC | Multiple Superimposed Pilots for Accurate Channel Estimation in Orthogonal Time Frequency Space Modulation. | Yuta Kanazawa, Hiroki Iimori, Chandan Pradhan, Szabolcs Malomsoky, Naoki Ishikawa |
| 2023 | VTC | Grover Adaptive Search for Joint Maximum-Likelihood Detection of Power-Domain Non-Orthogonal Multiple Access. | Masaya Norimoto, Naoki Ishikawa |
| 2021 | VTC | Optimal but Low-Complexity Optimization Method for Nonsquare Differential Massive MIMO. | Yuma Katsuki, Naoki Ishikawa |
| 2015 | VTC | Exit-Chart-Based Design of Irregular Precoded Power-Imbalanced Optical Spatial Modulation. | Naoki Ishikawa, Shinya Sugiura |
| 2014 | VTC | Single- and Multiple-RF Aided Non-Coherent Generalized Spatial Modulation. | Naoki Ishikawa, Shinya Sugiura |
| 2010 | CSEDU | Detection of Submitters Suspected of Pretending to be Someone Else to Manipulate Communications in a Community Site. | Naoki Ishikawa, Ryo Nishimura, Yasuhiko Watanabe, Yoshihiro Okada, Masaki Murata |
| 2010 | LREC | Detection of submitters suspected of pretending to be someone else in a community site. | Naoki Ishikawa, Ryo Nishimura, Yasuhiko Watanabe, Yoshihiro Okada, Masaki Murata |
| 2010 | PACLIC | Detection of Users Suspected of Pretending to Be Other Users in a Community Site by Using Messages Submitted to Non-Target Categories. | Naoki Ishikawa, Ryo Nishimura, Yasuhiko Watanabe, Masaki Murata, Yoshihiro Okada |