Beamspace Channel Estimation for the Millimeter-wave Massive MIMO Systems: Dual Loops-based Iteration Reduction Algorithms - Zhu, Lijun; Li, Zheng; An, Zeliang; Chu, Zheng; Zhu, Zhengyu; Chen, Gaojie; Li, Yonghui (IEEE transactions on vehicular technology, 2025)
Keywords: Accuracy; Antenna arrays; beamspace channel estimation; Channel estimation; dual-loop; FISTAB; iterative reduction algorithm; Lenses; Massive MIMO; Matching pursuit algorithms; Millimeter wave communication; mmWave; Radio frequency; Signal processing algorithms; Vectors