2014 - 2016 Super-Nyquist WDM technique for high-order QAM signals
2010 - 2013 光電界複素振幅波形の超高速実時間測定と超高速光多値変復調システム評価
2010 - 2012 Study on Ultra-long Large-capacity Coherent Optical TransmissionSystems Aiming at Realization of the Shannon Limit
2011 - 2011 ナイキスト波長多重光多値変調信号の長距離光ファイバ伝送技術
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Papers (201):
Ayano Inoue, Koji Igarashi, Shigehiro Takasaka, Kyo Inoue. Reduction of fiber four-wave mixing generated from modulated lights by inserting dispersive elements. IEICE Transactions on Communications. 2024. 1-9
Kenta Ito, Takumi Takahashi, Koji Ishibashi, Koji Igarashi, Shinsuke Ibi. Joint Channel, CFO, and Data Estimation via Bayesian Inference for Multi-User MIMO-OFDM Systems. IEEE Transactions on Wireless Communications. 2024. 1-1
Kyo Inoue, Koji Igarashi. Nonlinear interaction between non-orthogonally polarization-multiplexed signals in fiber transmission with polarization-dependent loss. Optics Continuum. 2023. 2. 10. 2225-2225
Hiroki Kawahara, Koji Igarashi, Kyo Inoue. Level Allocation of Four-Level Pulse-Amplitude Modulation Signal in Optically Pre-Amplified Receiver Systems. IEICE Transactions on Communications. 2023. E106.B. 8. 652-659
Kenta Ito, Takumi Takahashi, Koji Igarashi, Shinsuke Ibi, Seiichi Sampei. AoA Estimation-Aided Bayesian Receiver Design via Bilinear Inference for mmWave Massive MIMO. ICC 2023 - IEEE International Conference on Communications. 2023