Grant-Free Non-Orthogonal Multiple Access With Multiple-Antenna Base Station and Its Efficient Receiver Design by Takanori Hara, Koji Ishibashi

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Base Station-Driven PAPR Reduction Method Utilizing Null Space for MIMO-OFDM Systems With Amplify-and-Forward Relaying by Asuka Kakehashi, Takanori Hara, Kenichi Higuchi

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Ambient OFDM Pilot-Aided Backscatter Communications: Concept and Design by Takanori Hara, Ryuhei Takahashi, Koji Ishibashi

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Capacitated Refuge Assignment for Speedy and Reliable Evacuation by Takanori Hara, Masahiro Sasabe, Taiki Matsuda, Shoji Kasahara

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Massively Concurrent Non-Orthogonal Multiple Access for 5G Networks and Beyond by Razvan-Andrei Stoica, Giuseppe Thadeu Freitas De Abreu, Takanori Hara, Koji Ishibashi

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A Stochastic Gradient Descent Approach for Hybrid mmWave Beamforming With Blockage and CSI-Error Robustness by Hiroki Iimori, Giuseppe Thadeu Freitas De Abreu, Omid Taghizadeh, Razvan-Andrei Stoica, Takanori Hara, Koji Ishibashi

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Robust Symbol Detection in Large-Scale Overloaded NOMA Systems by Hiroki Iimori, Giuseppe Thadeu Freitas De Abreu, Takanori Hara, Koji Ishibashi, Razvan-Andrei Stoica, David Gonzalez G., Osvaldo Gonsa

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