Tohoku University · Graduate School of Information Science · 特任助教

Research keywordsgrant-free NOMA・carrier frequency offset・massive MIMO・OFDM backscatter communications・hybrid mmWave beamforming・distributed MIMO・PAPR reduction・CSI robustness・TRP group selection

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• NOMA-Based Highly-Efficient Low-Latency HARQ with Inter-Base Station Cooperation for URLLCRyota KOBAYASHI, Takanori HARA, Yasuaki YUDA, Kenichi HIGUCHI
• Stochastic Learning Robust Beamforming for Millimeter-Wave Systems With Path BlockageHiroki Iimori, Giuseppe Thadeu Freitas de Abreu, Omid Taghizadeh, Razvan-Andrei Stoica, Takanori Hara, Koji Ishibashi
• Low-Complexity Generator Polynomial Search for Turbo Trellis-Coded Spatial Modulation Using Symbol-based EXIT ChartsTakanori Hara, Koji Ishibashi, Soon Xin Ng, Lajos Hanzo
• Differential Modulation Based Non-Coherent Grant-Free NOMA Under Timing OffsetsTakanori Hara

• 高速移動体通信の高度化に向けたOTFS伝送のための高効率スパース信号処理設計原 郁紀
• 超多数IoTデバイス収容のためのチャネル推定不要なグラントフリー非直交多元接続原 郁紀
• グラントフリー非直交多元接続における高精度な周波数オフセット補償法の開発原 郁紀

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