TY - Journal of Beijing University of Posts and Telecommunications A1 - T1 - Massive MIMO DOA Estimation Algorithm based on Randomized Matrix Approximation Y1 - 2025-04-30 00:00:00.0 JF - Journal of Beijing University of Posts and Telecommunications JO - Journal of Beijing University of Posts and Telecommunications SP - 126 EP - 132 VL - 48 IS - 2 UR - {https://journal.bupt.edu.cn/EN/Y2025/V48/I2/126} N1 - ER -