An Improved Proportionate Normalized Least-Mean-Square Algorithm for Broadband Multipath Channel Estimation by Yingsong Li, Masanori Hamamura

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Smooth Approximation l0-Norm Constrained Affine Projection Algorithm and Its Applications in Sparse Channel Estimation by Yingsong Li, Masanori Hamamura

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Coverage, Throughput, and Energy Efficiency Enhancement in Beamspace Massive MIMO System Using Rate-Splitting and Orthogonal Precoding by David Alimo, Masanori Hamamura, Saifur Rahman Sabuj

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Revolutionizing Batteryless IoT Systems to Enhance Nonlinear Energy Harvesting Using RIS Active and Passive Elements by Shakil Ahmed, Ahmed E. Kamal, Mohamed Y. Selim, Saifur Rahman Sabuj, Masanori Hamamura

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UAV-Aided Transceiver Design for Secure Downlink OW-DFTs-OFDM System: A Multi-User mmWave Application by Joarder Jafor Sadique, Saifur Rahman Sabuj, Shaikh Enayet Ullah, Sujoy Kumar Joarder, Masanori Hamamura

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